added more detail missing security log in gmdl

The old name was unnecessarily vague

.config/dotnet-tools.json

@@ -9,7 +9,7 @@
       ]
     },
     "fable": {
-      "version": "4.0.6",
+      "version": "4.24.0",
       "commands": [
         "fable"
       ]
@@ -25,6 +25,12 @@
       "commands": [
         "fake"
       ]
+    },
+    "dotnet-t4": {
+      "version": "3.0.0",
+      "commands": [
+        "t4"
+      ]
     }
   }
-}
+}

.devcontainer/devcontainer.json

@@ -0,0 +1,38 @@
+{
+  "build": {
+    "dockerfile": "../docker/images/bluetradingsystems/linux_dotnet8_dev/Dockerfile",
+    "options": [
+      "--secret",
+      "id=bitbucket_access_token,src=${localWorkspaceFolder}/.secrets/bitbucket_access_token.txt"
+    ]
+  },
+  "hostRequirements": {
+    "memory": "8gb",
+    "storage": "10gb"
+  },
+  "containerUser": "bts",
+  "updateRemoteUserUID": true,
+  "shutdownAction": "none",
+  // Note: If running multiple containers on the same host, each must use a
+  // unique set of ports. Usually we just add 1000 to each port as needed. For
+  // example, if 8000-8003 is taken, go with 9000-9003, then 10000-10003, etc.
+  "runArgs": [
+    "--shm-size",
+    "8gb"
+  ],
+  "mounts": [
+    "source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind"
+  ],
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "eamodio.gitlens",
+        "llvm-vs-code-extensions.vscode-clangd",
+        "ms-python.python",
+        "ms-vscode.cmake-tools",
+        "ms-vscode.cpptools",
+        "xaver.clang-format"
+      ]
+    }
+  }
+}

.env

@@ -0,0 +1,64 @@
+# This file defines the global default configuration for docker deployments.
+# It is tracked in source control. For temporary modifications, please create
+# a separate file called ".env.local" (it's in .gitignore, so won't be tracked).
+# If a variable is defined in both files, the value in .env.local will be used.
+#
+# About the deployment procedure:
+#   We use Docker Compose to build images and launch containers for various services
+#   that make up our software suite:
+#     - sparkd
+#     - TODO: pubsub
+#     - TODO: md-publisher
+#     - TODO: webapp (DSQA on the web)
+#     - TODO: api-server (websocket based)
+#   From inside a devcontainer, you can launch all services in separate containers
+#   on your machine by running:
+#
+#     tools/deploy.sh
+#
+#   This script builds release versions for each service, packaged (generally) in
+#   self-contained directories. Next, it runs a few "docker compose" commands to
+#   build docker images loaded with the self-contained binaries from the previous
+#   step, and start containers with those images to run each service. To view the
+#   commands that deploy.sh runs internally (without actually running them), run:
+#
+#     tools/deploy.sh --dry-run
+#
+#   For additional information/help, run:
+#
+#     tools/deploy.sh --help
+#
+
+### Host/Runtime ###
+TZ=Etc/UTC
+
+### Sparkd ###
+# The internal image for sparkd to use. For more info, view:
+#   src/server/sparkd/Dockerfile
+SPARKD__IMAGE=sparkd
+# The config dir for this service to use
+SPARKD__CONFIG_DIR=src/app_sparkd/configurations/dev
+# Mount a specific volume or dir to "~/sparkdata/data" inside the docker.
+# Defaults to a volume named "sparkd_<config_port>" (e.g., sparkd_8000).
+# SPARKD__DATA_DIR=/home/bts/sparkdata/data
+# Mount volume or dir to "/md_recording" inside the docker. Defaults to volume
+# "sparkd_md_recording_<config_port>" (e.g., sparkd_md_recording_8000).
+# SPARKD__MD_RECORDING_DIR=/home/bts/md_recording
+SPARKD__SOURCE_DIR=install/sparkd-release-gcc
+SPARKD__RUNTIME_CONF_DIR=/home/ubuntu/8000/sparkdata/conf/
+SPARKD__CONFIG_PORT=8000
+SPARKD__QUICKBUS_PORT=8001
+SPARKD__SIM_FIX_PORT=8002
+SPARKD__SHM_SIZE=4gb
+SPARKD__PYTHON_REQUIREMENTS=requirements.txt
+SPARKD__SPARKD_ENTRYPOINT=src/app_sparkd/sparkd-entrypoint.sh
+SPARKD__MAIN_ENTRYPOINT=./sparkd-entrypoint.sh
+
+### PubSubServer ###
+PUBSUB__CONFIG_DIR=src/DataStreamSuite/PubSubServer/Configurations/Development
+PUBSUB__SOURCE_DIR=build/Release/bin/net8.0/linux-x64/publish
+
+### MdPublisher ###
+MD_PUBLISHER__CONFIG_DIR=src/DataStreamSuite/DataStreamPublisher/Configurations/ReplayMarketData
+MD_PUBLISHER__SOURCE_DIR=build/Release/bin/net8.0/linux-x64/publish
+# TODO: add config for other services (pubsub, md-publisher, webapp, api-server, etc.)

.gitattributes

@@ -0,0 +1,3 @@
+*.cmd text=auto eol=crlf
+*.cs text=auto eol=crlf
+*.sh text=auto eol=lf

.gitignore

@@ -8,7 +8,10 @@ cmake-build-debug/
 .idea/
 .dir-locals.el
 *.pyc
-**.vscode
+**.vscode/*
+!.vscode/launch.json
+!.vscode/tasks.json
+!.vscode/*.env
 .vs
 obj/
 *.csproj.user
@@ -52,8 +55,12 @@ trace_data/
 .cache/
 /src/Spark.Admin.WebApp/tsconfig.*.g.json
 /src/Spark.Admin.WebApp/src/bin/
+/src/**/*appsettings.Local.json
+/src/**/*/Configurations/Local/
 **/CMakeDeps.cmake
 **/CMakeDeps_win.cmake
-**/.devcontainer
+.devcontainer/
 *.Generated.cs
 *.lst
+.env.local
+.secrets

.gitmodules

@@ -1,6 +1,6 @@
 [submodule "externals"]
 	path = externals
-	url = git@bitbucket.org:bluetradesys/externals.git
+	url = https://bitbucket.org/bluetradesys/externals.git
 [submodule "vcpkg"]
 	path = vcpkg
 	url = https://github.com/microsoft/vcpkg.git

.vscode/launch.json

@@ -0,0 +1,499 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Python Debugger: Current File with Arguments",
+      "type": "debugpy",
+      "request": "launch",
+      "program": "${file}",
+      "console": "integratedTerminal",
+      "args": "${command:pickArgs}"
+    },
+    {
+      "name": ".NET Core Attach",
+      "type": "coreclr",
+      "request": "attach"
+    },
+    {
+      "name": "Api Server",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "preLaunchTask": "Build Api Server (Debug)",
+      "windows": {
+        "program": "spark_api_server.exe",
+      },
+      "linux": {
+        "program": "spark_api_server",
+      },
+      "args": [
+        "run",
+      ],
+      "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:apiServerEnvironment}",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Api Server (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "windows": {
+        "program": "spark_api_server.exe",
+      },
+      "linux": {
+        "program": "spark_api_server",
+      },
+      "args": [
+        "run",
+      ],
+      "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:apiServerEnvironment}",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "DataStreamPublisher",
+      "type": "coreclr",
+      "request": "launch",
+      "preLaunchTask": "Build DataStream (Debug)",
+      "program": "",
+      "linux": {
+        "program": "DataStreamPublisher",
+      },
+      "windows": {
+        "program": "DataStreamPublisher.exe",
+      },
+      "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:dataStreamPublisherEnvironment}",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "DataStreamPublisher (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "linux": {
+        "program": "DataStreamPublisher",
+      },
+      "windows": {
+        "program": "DataStreamPublisher.exe",
+      },
+      "cwd": "${workspaceFolder}/build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:dataStreamPublisherEnvironment}",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "(gdb) Launch",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "/home/bts/spark/build/sparkd-debug-clang/server/sparkd",
+      "args": [
+        "run"
+      ],
+      "stopAtEntry": false,
+      "cwd": "/home/bts/spark/build/sparkd-debug-clang/server",
+      "environment": [],
+      "externalConsole": false,
+      "MIMode": "gdb",
+    },
+    {
+      "name": "spreader tests2",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "/home/bts/spark/build/sparkd-debug-clang/server/sparkd",
+      "args": [
+        "test",
+        "[spreader2]"
+      ],
+      "stopAtEntry": false,
+      "cwd": "/home/bts/spark/build/sparkd-debug-clang/server",
+      "environment": [],
+      "externalConsole": false,
+      "MIMode": "gdb",
+    },
+    {
+      "name": "spreader tests",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "/home/bts/spark/build/sparkd-debug-clang/server/sparkd",
+      "args": [
+        "test",
+        "[spreader]"
+      ],
+      "stopAtEntry": false,
+      "cwd": "/home/bts/spark/build/sparkd-debug-clang/server",
+      "environment": [],
+      "externalConsole": false,
+      "MIMode": "gdb",
+    },
+    {
+      "name": "DataStreamQueryAnalyzer",
+      "type": "coreclr",
+      "request": "launch",
+      "preLaunchTask": "Build DataStream (Debug)",
+      "program": "",
+      "windows": {
+        "program": "DataStreamQueryAnalyzer.exe",
+        "cwd": "build/Debug/bin/net8.0-windows",
+        "env": {
+          "PYTHON_EXE": "${workspaceFolder}/.venv/Scripts/python.exe",
+          "DOTNET_ENVIRONMENT": "${input:dataStreamQueryAnalyzerEnvironment}",
+        },
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal",
+    },
+    {
+      "name": "DataStreamQueryAnalyzer (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "windows": {
+        "program": "DataStreamQueryAnalyzer.exe",
+        "cwd": "build/Debug/bin/net8.0-windows",
+        "env": {
+          "PYTHON_EXE": "${workspaceFolder}/.venv/Scripts/python.exe",
+          "DOTNET_ENVIRONMENT": "${input:dataStreamQueryAnalyzerEnvironment}",
+        },
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal",
+    },
+    {
+      "name": "PubSubServer",
+      "type": "coreclr",
+      "request": "launch",
+      "preLaunchTask": "Build DataStream (Debug)",
+      "program": "",
+      "linux": {
+        "program": "PubSubServer",
+      },
+      "windows": {
+        "program": "PubSubServer.exe",
+      },
+      "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "PubSubServer (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "linux": {
+        "program": "PubSubServer",
+      },
+      "windows": {
+        "program": "PubSubServer.exe",
+      },
+      "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Sdk Demo",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "preLaunchTask": "Build Spark Sdk (Debug)",
+      "windows": {
+        "program": "Bts.Spark.Sdk.Demo.exe",
+      },
+      "linux": {
+        "program": "Bts.Spark.Sdk.Demo",
+      },
+      "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:sdkDemoEnvironment}",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Sdk Demo (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "windows": {
+        "program": "Bts.Spark.Sdk.Demo.exe",
+      },
+      "linux": {
+        "program": "Bts.Spark.Sdk.Demo.exe",
+      },
+      "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:sdkDemoEnvironment}",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Spark",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "windows": {
+        "preLaunchTask": "Build Spark (Debug)",
+        "program": "Spark.exe",
+        "cwd": "build/Debug/bin/net8.0-windows",
+        "env": {
+          "DOTNET_ENVIRONMENT": "${input:sparkEnvironment}",
+        }
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Spark (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "windows": {
+        "program": "Spark.exe",
+        "cwd": "build/Debug/bin/net8.0-windows",
+        "env": {
+          "DOTNET_ENVIRONMENT": "${input:sparkEnvironment}",
+        }
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Spark (Parameterized)",
+      "type": "coreclr",
+      "request": "launch",
+      "preLaunchTask": "Build Spark (Debug)",
+      "program": "",
+      "windows": {
+        "program": "Spark.exe",
+        "args": [
+          "--Spark:ConfigServer",
+          "${input:sparkConfigServer}"
+        ],
+        "cwd": "build/Debug/bin/net8.0-windows",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Spark Test",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "windows": {
+        "preLaunchTask": "Build Spark (Debug)",
+        "program": "Spark.Console.exe",
+        "cwd": "build/Debug/bin/net8.0",
+        "args": [
+          "test",
+          "${input:sparkTest}"
+        ]
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Spark Test (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "windows": {
+        "program": "Spark.Console.exe",
+        "cwd": "build/Debug/bin/net8.0",
+        "args": [
+          "test",
+          "${input:sparkTest}"
+        ]
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Sparkd",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "",
+      "linux": {
+        "program": "${workspaceFolder}/build/sparkd-debug-clang/src/app_sparkd/sparkd",
+        "preLaunchTask": "Build Sparkd (Debug | Clang)",
+      },
+      "args": [
+        "run"
+      ],
+      "cwd": "${workspaceFolder}/build/sparkd-debug-clang/src/app_sparkd",
+      "stopAtEntry": false,
+      "externalConsole": false,
+      "MIMode": "gdb",
+      "setupCommands": [
+        {
+          "description": "Enable pretty-printing for gdb",
+          "text": "-enable-pretty-printing",
+          "ignoreFailures": true
+        },
+        {
+          "description": "Set Disassembly Flavor to Intel",
+          "text": "-gdb-set disassembly-flavor intel",
+          "ignoreFailures": true
+        }
+      ]
+    },
+    {
+      "name": "Sparkd (Skip Build)",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "",
+      "linux": {
+        "program": "${workspaceFolder}/build/sparkd-debug-clang/src/app_sparkd/sparkd",
+      },
+      "args": [
+        "run"
+      ],
+      "cwd": "${workspaceFolder}/build/sparkd-debug-clang/src/app_sparkd",
+      "stopAtEntry": false,
+      "externalConsole": false,
+      "MIMode": "gdb",
+      "setupCommands": [
+        {
+          "description": "Enable pretty-printing for gdb",
+          "text": "-enable-pretty-printing",
+          "ignoreFailures": true
+        },
+        {
+          "description": "Set Disassembly Flavor to Intel",
+          "text": "-gdb-set disassembly-flavor intel",
+          "ignoreFailures": true
+        }
+      ]
+    },
+    {
+      "name": "Sparkd Attach",
+      "type": "cppdbg",
+      "request": "attach",
+      "program": "${workspaceFolder}/build/sparkd-debug-clang/src/app_sparkd/sparkd",
+      "MIMode": "gdb",
+      "setupCommands": [
+        {
+          "description": "Enable pretty-printing for gdb",
+          "text": "-enable-pretty-printing",
+          "ignoreFailures": true
+        },
+        {
+          "description": "Set Disassembly Flavor to Intel",
+          "text": "-gdb-set disassembly-flavor intel",
+          "ignoreFailures": true
+        }
+      ]
+    },
+  ],
+  "inputs": [
+    {
+      "id": "apiServerEnvironment",
+      "type": "pickString",
+      "description": "Api Server Configuration",
+      "options": [
+        "Development",
+        "Local",
+        "Staging",
+      ],
+      "default": "Development",
+    },
+    {
+      "id": "dataStreamPublisherConfig",
+      "type": "pickString",
+      "description": "Publisher Configuration",
+      "options": [
+        "MarketDataPublisher",
+        "SimpleEchoClient",
+        "SimpleTestDataPublisher",
+        "TestDataPublisher",
+      ],
+      "default": "MarketDataPublisher",
+    },
+    {
+      "id": "dataStreamQueryAnalyzerEnvironment",
+      "type": "pickString",
+      "description": "DataStreamQueryAnalyzer Configuration",
+      "options": [
+        "Development",
+        "Local",
+      ],
+      "default": "Development",
+    },
+    {
+      "id": "dataStreamPublisherEnvironment",
+      "type": "pickString",
+      "description": "DataStreamPublisher Configuration",
+      "options": [
+        "Local",
+        "ReplayMarketData",
+      ],
+      "default": "Local",
+    },
+    {
+      "id": "pubSubServerEnvironment",
+      "type": "pickString",
+      "description": "PubSubServer Configuration",
+      "options": [
+        "Development",
+        "EchoServer",
+        "Local",
+      ],
+      "default": "Development",
+    },
+    {
+      "id": "sdkDemoEnvironment",
+      "type": "pickString",
+      "description": "Sdk Demo Configuration",
+      "options": [
+        "Development",
+        "Local",
+        "Staging",
+      ],
+      "default": "Development",
+    },
+    {
+      "id": "sparkConfigServer",
+      "type": "promptString",
+      "description": "Config Server URL",
+      "default": "http://localhost:8000/config",
+    },
+    {
+      "id": "sparkEnvironment",
+      "type": "pickString",
+      "description": "Spark Configuration",
+      "options": [
+        "Development",
+        "Local",
+      ],
+      "default": "Development",
+    },
+    {
+      "id": "sparkTest",
+      "type": "promptString",
+      "description": "Test to run",
+    },
+    {
+      "id": "sparkdTest",
+      "type": "promptString",
+      "description": "Test to run",
+    },
+  ]
+}

.vscode/python.env

@@ -0,0 +1 @@
+PYTHONPATH=/workspaces/spark/build/sparkd-debug-clang/src/lib_python_interop;/workspaces/spark/src/lib_python_interop/python_interop_plugins;/workspaces/spark/tools/py

Bts.Spark.Sdk.sln

@@ -0,0 +1,102 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{827E0CD3-B72D-47B6-A68D-7590B98EB39B}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "cs", "cs", "{C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Core", "src\cs\Bts.Spark.Core\Bts.Spark.Core.csproj", "{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Api", "src\cs\Bts.Spark.Api\Bts.Spark.Api.csproj", "{8949AF88-F1D3-4BC4-827F-B088B555F7B9}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Extensions.Hosting", "src\cs\Bts.Extensions.Hosting\Bts.Extensions.Hosting.csproj", "{37E4E890-D025-4729-90F9-6F95862F47BC}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Sdk", "src\cs\Bts.Spark.Sdk\Bts.Spark.Sdk.csproj", "{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Sdk.Demo", "src\cs\Bts.Spark.Sdk.Demo\Bts.Spark.Sdk.Demo.csproj", "{FCFDBDBE-74B0-41C4-9011-C651B21056D4}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|Any CPU = Release|Any CPU
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Debug|Any CPU.ActiveCfg = Debug|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Debug|Any CPU.Build.0 = Debug|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Debug|x64.ActiveCfg = Debug|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Debug|x64.Build.0 = Debug|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Debug|x86.ActiveCfg = Debug|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Debug|x86.Build.0 = Debug|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Release|Any CPU.ActiveCfg = Release|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Release|Any CPU.Build.0 = Release|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Release|x64.ActiveCfg = Release|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Release|x64.Build.0 = Release|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Release|x86.ActiveCfg = Release|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Release|x86.Build.0 = Release|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Debug|Any CPU.ActiveCfg = Debug|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Debug|Any CPU.Build.0 = Debug|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Debug|x64.ActiveCfg = Debug|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Debug|x64.Build.0 = Debug|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Debug|x86.ActiveCfg = Debug|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Debug|x86.Build.0 = Debug|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Release|Any CPU.ActiveCfg = Release|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Release|Any CPU.Build.0 = Release|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Release|x64.ActiveCfg = Release|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Release|x64.Build.0 = Release|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Release|x86.ActiveCfg = Release|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Release|x86.Build.0 = Release|x64
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Debug|x64.Build.0 = Debug|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Debug|x86.Build.0 = Debug|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Release|x64.ActiveCfg = Release|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Release|x64.Build.0 = Release|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Release|x86.ActiveCfg = Release|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Release|x86.Build.0 = Release|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Debug|x64.Build.0 = Debug|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Debug|x86.Build.0 = Debug|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Release|x64.ActiveCfg = Release|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Release|x64.Build.0 = Release|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Release|x86.ActiveCfg = Release|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Release|x86.Build.0 = Release|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Debug|x64.Build.0 = Debug|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Debug|x86.Build.0 = Debug|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Release|x64.ActiveCfg = Release|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Release|x64.Build.0 = Release|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Release|x86.ActiveCfg = Release|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Release|x86.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+		{37E4E890-D025-4729-90F9-6F95862F47BC} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+	EndGlobalSection
+EndGlobal

CMakeLists.txt

@@ -1,7 +1,10 @@
 cmake_minimum_required(VERSION 3.12)
 project(spark)
+include(GNUInstallDirs)
+include(${CMAKE_SOURCE_DIR}/cmake/GitVersion.cmake)
 set(CMAKE_CXX_STANDARD 20)
 
+get_version_from_git()
 if(WIN32)
   set(platform "windows")
 else()
@@ -14,12 +17,17 @@ set(
   CACHE
   STRING
   "External dependencies root folder (should contain folders: lib, bin, include")
-set(SPARK_BIN "${EXTERNALS_ROOT}/bin")
-set(SPARK_INCLUDE "${EXTERNALS_ROOT}/include")
-set(SPARK_LIB "${EXTERNALS_ROOT}/lib/$<CONFIG>")
-set(BUILD_API_SERVER OFF CACHE BOOL "Build the api server")
+
+# SHARED_MEMORY_PREFIX serves as a kind of namespace so multiple applications
+# can run simultaneously without fighting over the same shm files (e.g., sparkd,
+# api server, etc.).
+set(SHARED_MEMORY_PREFIX "\${BTS_SHARED_MEMORY_PREFIX}" CACHE STRING "Prefix to use when creating shared memory files")
+set(EXTERNALS_BIN "${EXTERNALS_ROOT}/bin")
+set(EXTERNALS_INCLUDE "${EXTERNALS_ROOT}/include")
+set(EXTERNALS_LIB "${EXTERNALS_ROOT}/lib/$<CONFIG>")
 set(BUILD_DOCS OFF CACHE BOOL "Build documentation")
 set(BUILD_SDK OFF CACHE BOOL "Build the sdk")
+set(EXPORT_MD_CONSUMER OFF CACHE BOOL "Export (extern) C functions for MD consumer interop")
 if (WIN32)
   set(BUILD_SPARKD OFF CACHE BOOL "Build sparkd")
   set(BUILD_ADMIN_WEB_APP OFF CACHE BOOL "Build the Admin WebApp")
@@ -28,32 +36,19 @@ else()
   set(BUILD_ADMIN_WEB_APP ON CACHE BOOL "Build the Admin WebApp")
 endif()
 
-include_directories(BEFORE SYSTEM ${SPARK_INCLUDE} ${EXTERNALS_ROOT}/include/zlib)
-link_directories(${SPARK_LIB})
+include_directories(BEFORE SYSTEM ${EXTERNALS_INCLUDE} ${EXTERNALS_ROOT}/include/zlib)
+link_directories(${EXTERNALS_LIB})
 
-if(BUILD_API_SERVER)
-  add_compile_definitions(SPARK_ENABLE_API_SERVER)
+add_compile_definitions(SHARED_MEMORY_PREFIX="${SHARED_MEMORY_PREFIX}")
+if(DEFINED APP_DATA_DIR)
+  add_compile_definitions(APP_DATA_DIR="${APP_DATA_DIR}")
 endif()
-
+add_compile_definitions(EXPORT_MD_CONSUMER="${EXPORT_MD_CONSUMER}")
 if(WIN32)
-  add_compile_definitions(SHARED_MEMORY_PREFIX="spark")
-  add_compile_definitions(APP_DATA_DIR="\$\{APPDATA\}/bts/")
   # subdirs
-  add_subdirectory(src/lib)
+  add_subdirectory(src/lib_spark)
 else()
-  # make sparkd look for libspark.so in its directory
-  set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
-  set(CMAKE_INSTALL_RPATH ".")
-  set(CMAKE_INSTALL_PREFIX "${CMAKE_SOURCE_DIR}/install")
-  set(SPARK_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}/$<CONFIG>")
-
-  if(BUILD_API_SERVER)
-    add_compile_definitions(APP_DATA_DIR="\$\{HOME\}/spark_api/")
-    add_compile_definitions(SHARED_MEMORY_PREFIX="spark_api")
-  elseif(BUILD_SPARKD)
-    add_compile_definitions(SHARED_MEMORY_PREFIX="sparkd")
-    add_compile_definitions(APP_DATA_DIR="\$\{HOME\}/sparkdata/")
-
+  if(BUILD_SPARKD)
     # Note: All macros that begin w/ 'CCAPI' are ccapi's macros (defined and/or
     # read by their code). We override some below.
     add_compile_definitions(SPARK_ENABLE_CCAPI)
@@ -90,9 +85,15 @@ else()
     add_compile_definitions(BINANCE_US_PRICE_STATS_PATH="/api/v3/ticker/24hr")
 
     # ** Binance USDS Futures **
-    add_compile_definitions(CCAPI_BINANCE_USDS_FUTURES_URL_REST_BASE="https://dapi.binance.com")
-    add_compile_definitions(BINANCE_USDS_FUTURES_INSTRUMENTS_PATH="/dapi/v1/exchangeInfo")
-    add_compile_definitions(BINANCE_USDS_FUTURES_PRICE_STATS_PATH="/dapi/v1/ticker/24hr")
+    add_compile_definitions(CCAPI_BINANCE_USDS_FUTURES_URL_REST_BASE="https://fapi.binance.com")
+    add_compile_definitions(BINANCE_USDS_FUTURES_INSTRUMENTS_PATH="/fapi/v1/exchangeInfo")
+    add_compile_definitions(BINANCE_USDS_FUTURES_PRICE_STATS_PATH="/fapi/v1/ticker/24hr")
+    add_compile_definitions(BINANCE_USDS_FUTURES_USER_DATA_PATH="/api/v3/userDataStream")
+
+    # ** Binance Coin Futures **
+    add_compile_definitions(CCAPI_BINANCE_COIN_FUTURES_URL_REST_BASE="https://dapi.binance.com")
+    add_compile_definitions(BINANCE_COIN_FUTURES_INSTRUMENTS_PATH="/dapi/v1/exchangeInfo")
+    add_compile_definitions(BINANCE_COIN_FUTURES_PRICE_STATS_PATH="/dapi/v1/ticker/24hr")
 
     # ** Deribit **
     add_compile_definitions(DERIBIT_INSTRUMENT_PATH="/api/v2/public/get_instrument")
@@ -111,11 +112,15 @@ else()
   endif()
 
   # subdirs
+  add_subdirectory(src/lib_spark)
   if (BUILD_SPARKD)
-    add_subdirectory(src/server/sparkd)
+    add_subdirectory(src/lib_python_interop)
+    add_subdirectory(src/lib_onixs_fix)
+    add_subdirectory(src/lib_binance)
+    add_subdirectory(src/lib_okx_execution)
+    add_subdirectory(src/app_sparkd)
     add_subdirectory(src/data_files)
   endif()
-  add_subdirectory(src/lib)
   if (BUILD_ADMIN_WEB_APP)
     add_subdirectory(src/Spark.Admin.WebApp)
   endif()
@@ -125,32 +130,4 @@ else()
   if(BUILD_SDK)
     add_subdirectory(src/sdk)
   endif()
-
-  if(BUILD_SPARKD)
-    add_custom_command(
-      OUTPUT ${CMAKE_BINARY_DIR}/server
-      COMMAND mkdir -p ${CMAKE_BINARY_DIR}/server
-      COMMAND ln ARGS -sf ${CMAKE_BINARY_DIR}/src/server/sparkd/sparkd ${CMAKE_BINARY_DIR}/server
-      COMMAND ln ARGS -sf ${CMAKE_BINARY_DIR}/data_files ${CMAKE_BINARY_DIR}/server
-      COMMAND ln ARGS -sf ${CMAKE_BINARY_DIR}/src/lib/libspark.so ${CMAKE_BINARY_DIR}/server
-      COMMAND
-        ln ARGS -sf
-        ${EXTERNALS_ROOT}/lib/Release/libOnixS.IceImpactMulticastPriceFeedHandlerCpp.so.3.16.0.0
-        ${CMAKE_BINARY_DIR}/server
-      COMMAND ln ARGS -sf ${EXTERNALS_ROOT}/lib/Release/libACE-5.7.5.so ${CMAKE_BINARY_DIR}/server
-      COMMAND mkdir ARGS -p ${CMAKE_BINARY_DIR}/server/plugins
-      COMMENT "Creating server runtime layout"
-      DEPENDS sparkd data_files_dir)
-
-    add_custom_target(server_layout ALL DEPENDS ${CMAKE_BINARY_DIR}/server)
-
-    install(
-      DIRECTORY "${CMAKE_BINARY_DIR}/server/plugins"
-      DESTINATION "${SPARK_INSTALL_PREFIX}/bin")
-    install(
-      FILES
-      "${SPARK_LIB}/libACE-5.7.5.so"
-      "${SPARK_LIB}/libOnixS.IceImpactMulticastPriceFeedHandlerCpp.so.3.16.0.0"
-      DESTINATION "${SPARK_INSTALL_PREFIX}/bin")
-  endif()
 endif()

CMakePresets.json

@@ -8,14 +8,31 @@
 
   "configurePresets": [
     {
-      "name": "spark",
+      "name": "spark-base",
+      "hidden": true,
+      "binaryDir": "${sourceDir}/build/${presetName}",
+      "cacheVariables": {
+        "CMAKE_CXX_STANDARD": "20",
+        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
+        "CMAKE_TOOLCHAIN_FILE": "${sourceDir}/vcpkg/scripts/buildsystems/vcpkg.cmake",
+        "CONFIG_DEFAULTS_PATH": "spark/config/profiles/default/*.conf",
+        "EXPORT_MD_CONSUMER": {
+          "type": "BOOL",
+          "value": "ON"
+        }
+      }
+    },
+
+    {
+      "name": "spark-windows",
+      "inherits": "spark-base",
+      "displayName": "Spark",
       "condition": {
         "type": "equals",
         "lhs": "${hostSystemName}",
         "rhs": "Windows"
       },
       "generator": "Visual Studio 17 2022",
-      "binaryDir": "${sourceDir}/build",
       "environment": {
         "SPARK_CMAKE_CXX_FLAGS": "/MP /WX /wd4250 /wd4251 /wd4244 /wd4267 /wd4355 /wd4275 /wd4345 /bigobj /EHsc /DCURL_STATICLIB /D_WINSOCK_DEPRECATED_NO_WARNINGS /D__TBB_NO_IMPLICIT_LINKAGE /DBOOST_ALL_NO_LIB /std:c++20 /D_SCL_SECURE_NO_WARNINGS /D_CRT_SECURE_NO_WARNINGS /D_WIN32_WINNT=0x0600"
       },
@@ -23,14 +40,9 @@
         "CMAKE_CXX_FLAGS": "$env{SPARK_CMAKE_CXX_FLAGS}",
         "CMAKE_CXX_FLAGS_DEBUG": "$env{SPARK_CMAKE_CXX_FLAGS} /MTd",
         "CMAKE_CXX_FLAGS_RELEASE": "$env{SPARK_CMAKE_CXX_FLAGS} /MT",
-        "CMAKE_CXX_STANDARD": "20",
         "CMAKE_SHARED_LINKER_FLAGS_DEBUG": "/DEBUG",
         "CMAKE_SHARED_LINKER_FLAGS_RELEASE": "/OPT:REF /OPT:ICF /LTCG",
-        "CMAKE_TOOLCHAIN_FILE": "${sourceDir}/vcpkg/scripts/buildsystems/vcpkg.cmake",
-        "EXTERNALS_ROOT": "${sourceDir}/externals/windows",
-        "CONFIG_DEFAULTS_PATH": "config/profiles/default/*.conf",
-        "DOTNET_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net8.0",
-        "DOTNET_WINDOWS_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net8.0-windows"
+        "EXTERNALS_ROOT": "${sourceDir}/externals/windows"
       }
     },
 
@@ -48,12 +60,18 @@
         "platform": "",
         "CMAKE_BUILD_WITH_INSTALL_RPATH": {
           "type": "BOOL",
-          "value": "ON"
+          "value": "OFF"
         },
         "CMAKE_CXX_STANDARD": "20",
         "CMAKE_INSTALL_RPATH": ".",
-        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}/sparkd",
+        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
+        "CMAKE_PREFIX_PATH": "${sourceDir}/cmake/;${sourceDir}/.venv/lib/python3.10/site-packages/pybind11/share/cmake/pybind11",
         "CMAKE_EXE_LINKER_FLAGS": "-Wno-undef",
+        "CMAKE_TOOLCHAIN_FILE": "${sourceDir}/vcpkg/scripts/buildsystems/vcpkg.cmake",
+        "DATABENTO_USE_EXTERNAL_JSON": {
+          "type": "BOOL",
+          "value": "ON"
+        },
         "EXTERNALS_ROOT": "${sourceDir}/externals/linux",
         "BUILD_SDK": {
           "type": "BOOL",
@@ -77,7 +95,7 @@
           "value": "ON"
         },
         "CCAPI_LOG_LEVEL": "Info",
-        "CONFIG_DEFAULTS_PATH": "config/profiles/md_dev/*.conf;config/profiles/default/*.conf"
+        "CONFIG_DEFAULTS_PATH": "spark/config/profiles/md_dev/*.conf;spark/config/profiles/default/*.conf"
       }
     },
 
@@ -88,116 +106,98 @@
       "cacheVariables": {
         "CMAKE_BUILD_TYPE": "Release",
         "CCAPI_LOG_LEVEL": "Warn",
-        "CONFIG_DEFAULTS_PATH": "config/profiles/md_prod/*.conf;config/profiles/default/*.conf"
+        "CONFIG_DEFAULTS_PATH": "spark/config/profiles/md_prod/*.conf;spark/config/profiles/default/*.conf"
       }
     },
 
     {
       "name": "sparkd-debug-clang",
       "inherits": "sparkd-debug",
-      "displayName": "Debug (clang)",
+      "displayName": "Sparkd (Debug | Clang)",
       "description": "Debug build compiled w/ clang",
-      "binaryDir": "${sourceDir}/build/clang/debug",
       "cacheVariables": {
         "CMAKE_C_COMPILER": "clang",
         "CMAKE_CXX_COMPILER": "clang++",
-        "CMAKE_CXX_FLAGS_DEBUG": "-g -fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -DDEBUG",
-        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/clang/debug/sparkd"
+        "CMAKE_CXX_FLAGS_DEBUG": "-g -fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -DDEBUG"
       }
     },
 
     {
       "name": "sparkd-debug-gcc",
       "inherits": "sparkd-debug",
-      "displayName": "Debug (gcc)",
+      "displayName": "Sparkd (Debug | Gcc)",
       "description": "Debug build compiled w/ gcc",
-      "binaryDir": "${sourceDir}/build/gcc/debug",
       "cacheVariables": {
         "CMAKE_C_COMPILER": "gcc",
         "CMAKE_CXX_COMPILER": "g++",
-        "CMAKE_CXX_FLAGS_DEBUG": "-g -fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -Wno-stringop-overread -DDEBUG",
-        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/gcc/debug/sparkd"
+        "CMAKE_CXX_FLAGS_DEBUG": "-g -fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -Wno-stringop-overread -DDEBUG"
       }
     },
 
     {
       "name": "sparkd-release-clang",
       "inherits": "sparkd-release",
-      "displayName": "Release (clang)",
+      "displayName": "Sparkd (Release | Clang)",
       "description": "Release build compiled w/ clang",
-      "binaryDir": "${sourceDir}/build/clang/release",
       "cacheVariables": {
         "CMAKE_C_COMPILER": "clang",
         "CMAKE_CXX_COMPILER": "clang++",
-        "CMAKE_CXX_FLAGS_RELEASE": "-fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -fno-omit-frame-pointer -DNDEBUG -O3",
-        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/clang/release/sparkd"
+        "CMAKE_CXX_FLAGS_RELEASE": "-fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -fno-omit-frame-pointer -DNDEBUG -O3"
       }
     },
 
     {
       "name": "sparkd-release-gcc",
       "inherits": "sparkd-release",
-      "displayName": "Release (gcc)",
+      "displayName": "Sparkd (Release | Gcc)",
       "description": "Release build compiled w/ gcc",
-      "binaryDir": "${sourceDir}/build/gcc/release",
       "cacheVariables": {
         "CMAKE_C_COMPILER": "gcc",
         "CMAKE_CXX_COMPILER": "g++",
-        "CMAKE_CXX_FLAGS_RELEASE": "-fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers -Wno-stringop-overflow --std=c++20 -fdiagnostics-color -Wno-stringop-overread -Wno-maybe-uninitialized -fno-omit-frame-pointer -DNDEBUG -O3",
-        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/gcc/release/sparkd"
+        "CMAKE_CXX_FLAGS_RELEASE": "-fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers -Wno-stringop-overflow --std=c++20 -fdiagnostics-color -Wno-stringop-overread -Wno-maybe-uninitialized -fno-omit-frame-pointer -DNDEBUG -O3"
       }
     },
 
     {
-      "name": "spark-api-server-base",
-      "hidden": true,
-      "binaryDir": "${sourceDir}/build/${presetName}",
-      "cacheVariables": {
-        "BUILD_API_SERVER": {
-          "type": "bool",
-          "value": "ON"
-        },
-        "CONFIG_DEFAULTS_PATH": "config/profiles/md_dev/*.conf;config/profiles/default/*.conf"
-      }
-    },
-
-    {
-      "name": "spark-api-server-windows",
-      "inherits": "spark",
-      "displayName": "Spark Api Server",
-      "cacheVariables": {
-        "BUILD_API_SERVER": {
-          "type": "bool",
-          "value": "ON"
-        }
-      }
-    },
-
-    {
-      "name": "spark-api-server-linux",
-      "inherits": "sparkd",
-      "displayName": "Spark Api Server",
+      "name": "spark-linux",
+      "inherits": "spark-base",
+      "displayName": "Spark",
+      "condition": {
+        "type": "equals",
+        "lhs": "${hostSystemName}",
+        "rhs": "Linux"
+      },
       "generator": "Ninja Multi-Config",
       "cacheVariables": {
+        "platform": "linux",
         "BUILD_ADMIN_WEB_APP": {
           "type": "BOOL",
           "value": "OFF"
         },
-        "BUILD_API_SERVER": {
-          "type": "bool",
-          "value": "ON"
-        },
         "BUILD_SPARKD": {
           "type": "BOOL",
           "value": "OFF"
         },
+        "CMAKE_BUILD_WITH_INSTALL_RPATH": {
+          "type": "BOOL",
+          "value": "OFF"
+        },
         "CMAKE_C_COMPILER": "clang",
         "CMAKE_CXX_COMPILER": "clang++",
         "CMAKE_CXX_FLAGS_DEBUG": "-g -fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -DDEBUG",
         "CMAKE_CXX_FLAGS_RELEASE": "-fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -fno-omit-frame-pointer -DNDEBUG -O3",
-        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
-        "CONFIG_DEFAULTS_PATH": "config/profiles/default/*.conf",
-        "DOTNET_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net8.0"
+        "CMAKE_EXE_LINKER_FLAGS": "-Wno-undef",
+        "CMAKE_EXPORT_COMPILE_COMMANDS": {
+          "type": "BOOL",
+          "value": "ON"
+        },
+        "CMAKE_INSTALL_RPATH": ".",
+        "CMAKE_PREFIX_PATH": "${sourceDir}/cmake/;${sourceDir}/.venv/lib/python3.10/site-packages/pybind11/share/cmake/pybind11",
+        "DATABENTO_USE_EXTERNAL_JSON": {
+          "type": "BOOL",
+          "value": "ON"
+        },
+        "EXTERNALS_ROOT": "${sourceDir}/externals/linux"
       }
     },
 
@@ -217,44 +217,32 @@
       "cacheVariables": {
         "CCAPI_LOG_LEVEL": "Trace"
       }
-    },
-
-    {
-      "name": "data-stream-suite",
-      "inherits": "spark",
-      "displayName": "Data Stream Suite",
-      "description": "Data Stream utils ported over from Edge",
-      "binaryDir": "${sourceDir}/build/${presetName}",
-      "cacheVariables": {
-        "CONFIG_DEFAULTS_PATH": "config/profiles/default/*.conf;config/profiles/data_stream/*.conf"
-      }
     }
   ],
 
   "buildPresets": [
     {
-      "name": "spark",
+      "name": "spark-windows",
       "condition": {
         "type": "equals",
         "lhs": "${hostSystemName}",
         "rhs": "Windows"
       },
-      "hidden": true
+      "hidden": true,
+      "configurePreset": "spark-windows"
     },
 
     {
-      "name": "spark-debug",
-      "displayName": "Debug",
-      "inherits": "spark",
-      "configurePreset": "spark",
+      "name": "spark-windows-debug",
+      "displayName": "Spark (Debug)",
+      "inherits": "spark-windows",
       "configuration": "Debug"
     },
 
     {
-      "name": "spark-release",
-      "displayName": "Release",
-      "inherits": "spark",
-      "configurePreset": "spark",
+      "name": "spark-windows-release",
+      "displayName": "Spark (Release)",
+      "inherits": "spark-windows",
       "configuration": "Release"
     },
 
@@ -265,93 +253,59 @@
         "lhs": "${hostSystemName}",
         "rhs": "Linux"
       },
-      "hidden": true,
-      "targets": [
-        "data_files_dir",
-        "admin_web_app_bundle",
-        "install",
-        "libspark",
-        "rapidjson_project",
-        "server_layout",
-        "sparkd"
-      ]
+      "hidden": true
     },
 
     {
       "name": "sparkd-debug-clang",
       "configurePreset": "sparkd-debug-clang",
-      "displayName": "Debug (clang)",
+      "displayName": "Sparkd (Debug | Clang)",
       "inherits": "sparkd"
     },
 
     {
       "name": "sparkd-debug-gcc",
       "configurePreset": "sparkd-debug-gcc",
-      "displayName": "Debug (gcc)",
+      "displayName": "Sparkd (Debug | Gcc)",
       "inherits": "sparkd"
     },
 
     {
       "name": "sparkd-release-clang",
       "configurePreset": "sparkd-release-clang",
-      "displayName": "Release (clang)",
+      "displayName": "Sparkd (Release | Clang)",
       "inherits": "sparkd"
     },
 
     {
       "name": "sparkd-release-gcc",
       "configurePreset": "sparkd-release-gcc",
-      "displayName": "Release (gcc)",
+      "displayName": "Sparkd (Release | Gcc)",
       "inherits": "sparkd"
     },
 
     {
-      "name": "spark-api-server-windows",
-      "condition": {
-        "type": "equals",
-        "lhs": "${hostSystemName}",
-        "rhs": "Windows"
-      },
-      "hidden": true,
-      "configurePreset": "spark-api-server-windows"
-    },
-
-    {
-      "name": "spark-api-server-windows-debug",
-      "displayName": "Spark Api Server (Debug)",
-      "inherits": "spark-api-server-windows",
-      "configuration": "Debug"
-    },
-
-    {
-      "name": "spark-api-server-windows-release",
-      "displayName": "Spark Api Server (Debug)",
-      "inherits": "spark-api-server-windows",
-      "configuration": "Release"
-    },
-
-    {
-      "name": "spark-api-server-linux",
+      "name": "spark-linux",
       "condition": {
         "type": "equals",
         "lhs": "${hostSystemName}",
         "rhs": "Linux"
       },
       "hidden": true,
-      "configurePreset": "spark-api-server-linux"
+      "configurePreset": "spark-linux"
     },
 
     {
-      "name": "spark-api-server-linux-debug",
-      "inherits": "spark-api-server-linux",
-      "displayName": "Spark Api Server (Debug)",
+      "name": "spark-linux-debug",
+      "inherits": "spark-linux",
+      "displayName": "Spark (Linux | Debug)",
       "configuration": "Debug"
     },
 
     {
-      "name": "spark-api-server-linux-release",
-      "inherits": "spark-api-server-linux",
-      "displayName": "Spark Api Server (Release)",
+      "name": "spark-linux-release",
+      "inherits": "spark-linux",
+      "displayName": "Spark (Linux | Release)",
       "configuration": "Release"
     },
 
@@ -368,20 +322,6 @@
       "configurePreset": "sparkd-ccapi-diag",
       "displayName": "Debug (ccapi diag)",
       "inherits": "sparkd"
-    },
-
-    {
-      "name": "data-stream-suite-debug",
-      "displayName": "DataStreamSuite (Debug)",
-      "configurePreset": "data-stream-suite",
-      "configuration": "Debug"
-    },
-
-    {
-      "name": "data-stream-suite-release",
-      "displayName": "DataStreamSuite (Release)",
-      "configurePreset": "data-stream-suite",
-      "configuration": "Release"
     }
   ]
 }

Spark.Api.Server.sln

@@ -1,10 +1,11 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
+
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.3.32922.545
 MinimumVisualStudioVersion = 15.0.26124.0
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_api", "src\client\spark_api\spark_api.csproj", "{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Bts.Spark.Api", "src\cs\Bts.Spark.Api\Bts.Spark.Api.csproj", "{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_core", "src\client\spark_core\spark_core.csproj", "{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Bts.Spark.Core", "src\cs\Bts.Spark.Core\Bts.Spark.Core.csproj", "{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_websocket", "src\client\spark_websocket\spark_websocket.csproj", "{3201359D-C071-4089-9EDE-B04D759F1508}"
 EndProject
@@ -14,66 +15,584 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "spark_test", "src\client\sp
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Spark.Console", "src\client\Spark.Console\Spark.Console.csproj", "{89D666E6-B500-498F-B026-4D167F68ADFC}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{267F81EF-A8AB-49FD-9F56-D7EC3C1F7C7C}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "DataStreamSuite", "DataStreamSuite", "{C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStreamCore", "src\DataStreamSuite\DataStreamCore\DataStreamCore.csproj", "{EF26A475-6101-4C9C-A717-D60BB92A2302}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharedStreams", "src\DataStreamSuite\SharedStreams\SharedStreams.csproj", "{911B08A3-515A-441D-84C8-8A43740B5FC1}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PubSub", "src\DataStreamSuite\PubSub\PubSub.csproj", "{14140310-2233-430A-821B-F3058A25234B}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BaseUtilities", "src\DataStreamSuite\BaseUtilities\BaseUtilities.csproj", "{43146EA8-6FCC-46B8-88B0-42F9BB5E6E0A}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ExpressionCore", "src\DataStreamSuite\ExpressionCore\ExpressionCore.csproj", "{6F22DB96-6EAB-4034-99D9-287021C36F01}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ArithmeticExpressions", "src\DataStreamSuite\ArithmeticExpressions\ArithmeticExpressions.csproj", "{A5C33956-A41F-49B3-A41D-1082CBA59D02}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStreamExpressions", "src\DataStreamSuite\DataStreamExpressions\DataStreamExpressions.csproj", "{2FE745C3-1EDF-4421-8CD7-A63EE0C1AE43}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.ColumnSortExpressions", "src\DataStreamSuite\Bts.ColumnSortExpressions\Bts.ColumnSortExpressions.csproj", "{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ColumnMapExpressions", "src\DataStreamSuite\ColumnMapExpressions\ColumnMapExpressions.csproj", "{B945A183-2174-4ACB-B289-8A5C546656FE}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BooleanExpressions", "src\DataStreamSuite\BooleanExpressions\BooleanExpressions.csproj", "{9F6D7DE8-185B-4C1D-B809-3314D092DF28}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.ColumnExpressions", "src\DataStreamSuite\Bts.ColumnExpressions\Bts.ColumnExpressions.csproj", "{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStream", "src\DataStreamSuite\DataStream\DataStream.csproj", "{39AEA075-6457-46C0-8821-1158BE6EFA57}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Extensions.Hosting", "src\cs\Bts.Extensions.Hosting\Bts.Extensions.Hosting.csproj", "{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "cs", "cs", "{385C4948-E080-56A6-E29E-8B0F4913175C}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Net", "src\cs\Bts.Net\Bts.Net.csproj", "{43FB297B-7A4D-4835-A878-E6DF345B580C}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.IO.Compression", "src\cs\Bts.IO.Compression\Bts.IO.Compression.csproj", "{BC277499-8215-4F9F-B9AB-07B6391110BF}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
+		Debug|Any CPU = Debug|Any CPU
+		Debug|x86 = Debug|x86
 		MinSizeRel|x64 = MinSizeRel|x64
+		MinSizeRel|Any CPU = MinSizeRel|Any CPU
+		MinSizeRel|x86 = MinSizeRel|x86
 		Release|x64 = Release|x64
+		Release|Any CPU = Release|Any CPU
+		Release|x86 = Release|x86
 		RelWithDebInfo|x64 = RelWithDebInfo|x64
+		RelWithDebInfo|Any CPU = RelWithDebInfo|Any CPU
+		RelWithDebInfo|x86 = RelWithDebInfo|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|x64.ActiveCfg = Debug|x64
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|x64.Build.0 = Debug|x64
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|x86.Build.0 = Debug|Any CPU
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|x64.ActiveCfg = Release|x64
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|x64.Build.0 = Release|x64
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|Any CPU.Build.0 = MinSizeRel|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|x86.ActiveCfg = MinSizeRel|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|x86.Build.0 = MinSizeRel|Any CPU
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|x64.ActiveCfg = Release|x64
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|x64.Build.0 = Release|x64
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|x86.ActiveCfg = Release|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|x86.Build.0 = Release|Any CPU
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.RelWithDebInfo|x64.ActiveCfg = Release|x64
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.RelWithDebInfo|x64.Build.0 = Release|x64
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.RelWithDebInfo|Any CPU.ActiveCfg = RelWithDebInfo|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.RelWithDebInfo|Any CPU.Build.0 = RelWithDebInfo|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.RelWithDebInfo|x86.ActiveCfg = RelWithDebInfo|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.RelWithDebInfo|x86.Build.0 = RelWithDebInfo|Any CPU
 		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.Debug|x64.ActiveCfg = Debug|x64
 		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.Debug|x64.Build.0 = Debug|x64
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.Debug|x86.Build.0 = Debug|Any CPU
 		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.MinSizeRel|x64.ActiveCfg = Release|x64
 		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.MinSizeRel|x64.Build.0 = Release|x64
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|Any CPU
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.MinSizeRel|Any CPU.Build.0 = MinSizeRel|Any CPU
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.MinSizeRel|x86.ActiveCfg = MinSizeRel|Any CPU
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.MinSizeRel|x86.Build.0 = MinSizeRel|Any CPU
 		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.Release|x64.ActiveCfg = Release|x64
 		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.Release|x64.Build.0 = Release|x64
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.Release|x86.ActiveCfg = Release|Any CPU
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.Release|x86.Build.0 = Release|Any CPU
 		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.RelWithDebInfo|x64.ActiveCfg = Release|x64
 		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.RelWithDebInfo|x64.Build.0 = Release|x64
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.RelWithDebInfo|Any CPU.ActiveCfg = RelWithDebInfo|Any CPU
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.RelWithDebInfo|Any CPU.Build.0 = RelWithDebInfo|Any CPU
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.RelWithDebInfo|x86.ActiveCfg = RelWithDebInfo|Any CPU
+		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.RelWithDebInfo|x86.Build.0 = RelWithDebInfo|Any CPU
 		{3201359D-C071-4089-9EDE-B04D759F1508}.Debug|x64.ActiveCfg = Debug|x64
 		{3201359D-C071-4089-9EDE-B04D759F1508}.Debug|x64.Build.0 = Debug|x64
+		{3201359D-C071-4089-9EDE-B04D759F1508}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3201359D-C071-4089-9EDE-B04D759F1508}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3201359D-C071-4089-9EDE-B04D759F1508}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{3201359D-C071-4089-9EDE-B04D759F1508}.Debug|x86.Build.0 = Debug|Any CPU
 		{3201359D-C071-4089-9EDE-B04D759F1508}.MinSizeRel|x64.ActiveCfg = Debug|x64
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+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.RelWithDebInfo|x86.Build.0 = RelWithDebInfo|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|x64.Build.0 = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|x86.Build.0 = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|Any CPU.Build.0 = MinSizeRel|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|x86.ActiveCfg = MinSizeRel|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|x86.Build.0 = MinSizeRel|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|x64.ActiveCfg = Release|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|x64.Build.0 = Release|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|Any CPU.Build.0 = Release|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|x86.ActiveCfg = Release|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|x86.Build.0 = Release|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|Any CPU.ActiveCfg = RelWithDebInfo|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|Any CPU.Build.0 = RelWithDebInfo|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|x86.ActiveCfg = RelWithDebInfo|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|x86.Build.0 = RelWithDebInfo|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Debug|x64.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Debug|x86.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.MinSizeRel|Any CPU.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.MinSizeRel|Any CPU.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.MinSizeRel|x86.ActiveCfg = Debug|Any CPU
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+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Release|x86.Build.0 = Release|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.RelWithDebInfo|Any CPU.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.RelWithDebInfo|Any CPU.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.RelWithDebInfo|x86.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.RelWithDebInfo|x86.Build.0 = Debug|Any CPU
+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.Debug|x64.Build.0 = Debug|Any CPU
+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.Debug|x86.Build.0 = Debug|Any CPU
+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.MinSizeRel|Any CPU.ActiveCfg = Debug|Any CPU
+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.MinSizeRel|Any CPU.Build.0 = Debug|Any CPU
+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.MinSizeRel|x86.ActiveCfg = Debug|Any CPU
+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.MinSizeRel|x86.Build.0 = Debug|Any CPU
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+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.Release|x64.Build.0 = Release|Any CPU
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+		{43FB297B-7A4D-4835-A878-E6DF345B580C}.Release|Any CPU.Build.0 = Release|Any CPU
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+		{BC277499-8215-4F9F-B9AB-07B6391110BF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BC277499-8215-4F9F-B9AB-07B6391110BF}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{BC277499-8215-4F9F-B9AB-07B6391110BF}.Debug|x86.Build.0 = Debug|Any CPU
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+		{BC277499-8215-4F9F-B9AB-07B6391110BF}.MinSizeRel|Any CPU.Build.0 = Debug|Any CPU
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+		{BC277499-8215-4F9F-B9AB-07B6391110BF}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BC277499-8215-4F9F-B9AB-07B6391110BF}.Release|x86.ActiveCfg = Release|Any CPU
+		{BC277499-8215-4F9F-B9AB-07B6391110BF}.Release|x86.Build.0 = Release|Any CPU
+		{BC277499-8215-4F9F-B9AB-07B6391110BF}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{BC277499-8215-4F9F-B9AB-07B6391110BF}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
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 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{C09ED521-D2DF-40BC-A76F-EB3CB870B2F6} = {267F81EF-A8AB-49FD-9F56-D7EC3C1F7C7C}
+		{EF26A475-6101-4C9C-A717-D60BB92A2302} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
+		{911B08A3-515A-441D-84C8-8A43740B5FC1} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
+		{14140310-2233-430A-821B-F3058A25234B} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
+		{43146EA8-6FCC-46B8-88B0-42F9BB5E6E0A} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
+		{6F22DB96-6EAB-4034-99D9-287021C36F01} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
+		{A5C33956-A41F-49B3-A41D-1082CBA59D02} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
+		{2FE745C3-1EDF-4421-8CD7-A63EE0C1AE43} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
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+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
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+		{385C4948-E080-56A6-E29E-8B0F4913175C} = {267F81EF-A8AB-49FD-9F56-D7EC3C1F7C7C}
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+		{BC277499-8215-4F9F-B9AB-07B6391110BF} = {385C4948-E080-56A6-E29E-8B0F4913175C}
+	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {422D1620-0166-4C26-9A81-CA8A2EB1AB58}
 	EndGlobalSection

cmake/ExportToParent.cmake

@@ -0,0 +1,7 @@
+include_guard(GLOBAL)
+
+macro(export_to_parent)
+  foreach(var IN ITEMS ${ARGN})
+    set(${var} ${${var}} PARENT_SCOPE)
+  endforeach()
+endmacro()

cmake/GitVersion.cmake

@@ -0,0 +1,48 @@
+include_guard(GLOBAL)
+
+function(get_version_from_git)
+  find_package(Git QUIET)
+  if(NOT Git_FOUND)
+    message(WARNING "Git not found")
+    return()
+  endif()
+
+  execute_process(
+    COMMAND ${GIT_EXECUTABLE} describe --tags --always
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    OUTPUT_VARIABLE GIT_TAG
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    RESULT_VARIABLE GIT_RESULT
+  )
+
+  if(NOT GIT_RESULT EQUAL 0)
+    message(WARNING "Failed to get git tag")
+    return()
+  endif()
+
+  execute_process(
+    COMMAND ${GIT_EXECUTABLE} rev-parse --short=7 HEAD
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    OUTPUT_VARIABLE GIT_COMMIT_SHORT_HASH
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+  set(PROJECT_VERSION_BUILD_METADATA ${GIT_COMMIT_SHORT_HASH})
+  set(PROJECT_VERSION_BUILD_METADATA ${GIT_COMMIT_SHORT_HASH} PARENT_SCOPE)
+
+  string(REGEX REPLACE "^v" "" CLEAN_TAG "${GIT_TAG}")
+  if(CLEAN_TAG MATCHES "^([0-9]+)\\.([0-9]+)\\.([0-9]+)(-.*)?$")
+    set(PROJECT_VERSION_MAJOR ${CMAKE_MATCH_1})
+    set(PROJECT_VERSION_MAJOR ${CMAKE_MATCH_1} PARENT_SCOPE)
+    set(PROJECT_VERSION_MINOR ${CMAKE_MATCH_2})
+    set(PROJECT_VERSION_MINOR ${CMAKE_MATCH_2} PARENT_SCOPE)
+    set(PROJECT_VERSION_PATCH ${CMAKE_MATCH_3})
+    set(PROJECT_VERSION_PATCH ${CMAKE_MATCH_3} PARENT_SCOPE)
+
+    set(PROJECT_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}") 
+    set(PROJECT_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}" PARENT_SCOPE)
+    set(PROJECT_VERSION_FULL "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}+${GIT_COMMIT_SHORT_HASH}")
+    set(PROJECT_VERSION_FULL "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}+${GIT_COMMIT_SHORT_HASH}" PARENT_SCOPE)
+  else()
+    message(WARNING "Tag '${CLEAN_TAG}' does not match semver format")
+  endif()
+endfunction()

cmake/InitLibrary.cmake

@@ -0,0 +1,142 @@
+include_guard(DIRECTORY)
+include(${CMAKE_SOURCE_DIR}/cmake/ExportToParent.cmake)
+include(${CMAKE_SOURCE_DIR}/cmake/InstallBasic.cmake)
+include(${CMAKE_SOURCE_DIR}/cmake/ProtobufGenerateCpp.cmake)
+include(${CMAKE_SOURCE_DIR}/cmake/SetFirstDefined.cmake)
+include(${CMAKE_SOURCE_DIR}/cmake/safe_dep_glob.cmake)
+
+function(init_library)
+  set(_options SHARED STATIC)
+  set(_one_value_args
+    NAME
+    SOURCE_DIR
+    INCLUDE_DIR
+  )
+  set(_multi_value_args)
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+  if (_ARGS_SHARED AND _ARGS_STATIC)
+    message(FATAL_ERROR "Invalid args passed to init_library: cannot specify STATIC and SHARED")
+  endif()
+  set_first_defined(_name _ARGS_NAME PROJECT_NAME)
+  set_first_defined(_source_dir _ARGS_SOURCE_DIR _name)
+  set_first_defined(_include_dir _ARGS_INCLUDE_DIR _source_dir)
+
+  # Cpp sources
+  file(
+    GLOB_RECURSE ${_name}_SOURCES
+    RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+    ${_source_dir}/*.cpp
+  )
+  # Note: cpp files inside 'tests' dir(s) are considered tests.
+  # Remove tests from main sources, and add them to test sources
+  foreach(item ${${_name}_SOURCES})
+    if(${item} MATCHES "tests/.*\.cpp$")
+      list(APPEND ${_name}_TEST_SOURCES ${item})
+    endif()
+  endforeach()
+  foreach(item ${${_name}_TEST_SOURCES})
+    list(REMOVE_ITEM ${_name}_SOURCES ${item})
+  endforeach()
+
+  # Proto sources 
+  file(
+    GLOB_RECURSE ${_name}_PROTO_SOURCES
+    RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+    ${_source_dir}/protobufs/*.proto
+  )
+  update_deps_file("${${_name}_PROTO_SOURCES};")
+  protobuf_generate_cpp(
+    CXX_SOURCES ${_name}_CXX_PROTO_SOURCES
+    CXX_HEADERS ${_name}_CXX_PROTO_HEADERS
+    CXX_OUT_DIR ${CMAKE_CURRENT_BINARY_DIR}
+    PROTO_INCLUDE_DIRS
+      ${EXTERNALS_INCLUDE}
+      ${CMAKE_CURRENT_SOURCE_DIR}
+    PROTO_SOURCES
+      ${${_name}_PROTO_SOURCES}
+  )
+
+  export_to_parent(
+    ${_name}_SOURCES
+    ${_name}_TEST_SOURCES
+    ${_name}_PROTO_SOURCES
+    ${_name}_CXX_PROTO_SOURCES
+    ${_name}_CXX_PROTO_HEADERS
+  )
+
+  # Add main lib
+  if (_ARGS_STATIC)
+    add_library(${_name} STATIC ${${_name}_SOURCES} ${${_name}_CXX_PROTO_SOURCES})
+  elseif(_ARGS_SHARED)
+    add_library(${_name} SHARED ${${_name}_SOURCES} ${${_name}_CXX_PROTO_SOURCES})
+  else()
+    add_library(${_name} ${${_name}_SOURCES} ${${_name}_CXX_PROTO_SOURCES})
+  endif()
+  target_include_directories(
+    ${_name}
+    SYSTEM
+    BEFORE
+    PUBLIC
+      $<BUILD_INTERFACE:${EXTERNALS_ROOT}/include>
+      $<BUILD_INTERFACE:${EXTERNALS_ROOT}/include/zlib>
+  )
+  target_include_directories(
+    ${_name}
+    PUBLIC
+      $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+      $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+  )
+  # Include protos (if any)
+  if (${_name}_PROTO_SOURCES)
+    target_include_directories(
+      ${_name}
+      PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
+    )
+  endif()
+  target_link_directories(
+    ${_name}
+    PUBLIC
+      $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
+      $<BUILD_INTERFACE:${EXTERNALS_ROOT}/lib/$<CONFIG>>
+      $<INSTALL_INTERFACE:${CMAKE_INSTALL_LIBDIR}>
+  )
+  # Install main lib
+  foreach(_hdr ${${_name}_CXX_PROTO_HEADERS})
+    file(RELATIVE_PATH _relative_path ${CMAKE_CURRENT_BINARY_DIR} ${_hdr})
+    install(FILES ${_hdr} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${_relative_path})
+  endforeach()
+  install_basic(
+    NAME ${_name}
+    INCLUDE_DIR ${_include_dir}
+  )
+
+  # Add tests executable (if there are any)
+  if (${_name}_TEST_SOURCES AND NOT WIN32)
+    add_executable(${_name}-tests ${${_name}_TEST_SOURCES})
+
+    get_target_property(_lib_type ${_name} TYPE)
+    if (_lib_type STREQUAL "SHARED_LIBRARY")
+      # Set RPATH so the tests exe knows where to find the shared lib.
+      set_target_properties(
+        ${_name}-tests
+        PROPERTIES
+          BUILD_RPATH "$ORIGIN"
+          INSTALL_RPATH "$ORIGIN/../${CMAKE_INSTALL_LIBDIR}"
+      )
+    endif()
+
+    # Link main lib
+    target_link_directories(
+      ${_name}-tests
+      PRIVATE
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
+        $<INSTALL_INTERFACE:${CMAKE_INSTALL_LIBDIR}>
+    )
+    target_link_libraries(${_name}-tests PRIVATE ${_name})
+
+    # Catch2
+    find_package(Catch2 CONFIG REQUIRED COMPONENTS Catch2WithMain)
+    target_link_libraries(${_name}-tests PRIVATE Catch2::Catch2WithMain)
+  endif()
+endfunction()

cmake/InitPythonModule.cmake

@@ -0,0 +1,71 @@
+include_guard(DIRECTORY)
+include(GNUInstallDirs)
+include(${CMAKE_SOURCE_DIR}/cmake/ExportToParent.cmake)
+include(${CMAKE_SOURCE_DIR}/cmake/SetFirstDefined.cmake)
+
+function(init_python_module)
+  set(_options)
+  set(_one_value_args
+    NAME
+  )
+  set(_multi_value_args
+    SOURCES
+  )
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+  set_first_defined(_name _ARGS_NAME PROJECT_NAME)
+  set_first_defined(_sources _ARGS_SOURCES ${_name}_SOURCES)
+
+  set(module_proj ${_name}_module)
+  set(${module_proj}_SOURCES ${_sources})
+  pybind11_add_module(${module_proj} SHARED ${_sources})
+  target_link_libraries(
+    ${module_proj}
+    PUBLIC
+      pybind11::embed
+      spark
+      ${_name}
+  )
+  target_include_directories(
+    ${module_proj}
+    PRIVATE
+      $<BUILD_INTERFACE:${pybind11_INCLUDE_DIRS}>
+  )
+  target_include_directories(
+    ${module_proj}
+    PUBLIC
+      ${Python3_INCLUDE_DIRS}
+      $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+      $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+  )
+  add_custom_command(
+    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/stubs/${_name}.pyi
+    DEPENDS ${_name} ${module_proj}
+    COMMAND PYTHONPATH=${CMAKE_CURRENT_BINARY_DIR} pybind11-stubgen --numpy-array-use-type-var --ignore-invalid-expressions '.*' ${_name}_module
+    COMMENT "Generating py stubs"
+  )
+  add_custom_target(
+    "${_name}_py_stubs"
+    ALL
+    DEPENDS
+      ${CMAKE_CURRENT_BINARY_DIR}/stubs/${_name}.pyi
+  )
+  install(
+    TARGETS ${module_proj}
+    EXPORT ${module_proj}Targets
+    RUNTIME
+      DESTINATION ${CMAKE_INSTALL_BINDIR}
+    LIBRARY
+      DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    ARCHIVE
+      DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  )
+  foreach(dir ${pybind11_INCLUDE_DIRS})
+    install(DIRECTORY ${dir} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+  endforeach()
+  install(
+    EXPORT ${module_proj}Targets
+    FILE ${module_proj}Targets.cmake
+    NAMESPACE ${_name}::
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${_name}
+  )
+endfunction()

cmake/InitPythonPlugin.cmake

@@ -0,0 +1,65 @@
+include_guard(DIRECTORY)
+include(GNUInstallDirs)
+
+function(init_python_plugin)
+  set(_options)
+  set(_one_value_args NAME PLUGIN_NAME)
+  set(_multi_value_args SOURCES)
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+  set_first_defined(_name _ARGS_NAME PROJECT_NAME)
+  set(_plugin_name ${_ARGS_PLUGIN_NAME})
+  if (NOT DEFINED _ARGS_PLUGIN_NAME)
+    set(_plugin_name ${_name}_plugins)
+  endif()
+  set(${_plugin_name}_SOURCES ${_ARGS_SOURCES})
+  if (NOT DEFINED _ARGS_SOURCES)
+    file(
+      GLOB_RECURSE ${_plugin_name}_SOURCES
+      RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+      ${_plugin_name}/*.py)
+  endif()
+  set(src_outs)
+  foreach(_src ${${_plugin_name}_SOURCES})
+    set(_src_in ${CMAKE_CURRENT_SOURCE_DIR}/${_src})
+    set(_src_out ${CMAKE_CURRENT_BINARY_DIR}/${_src})
+    add_custom_command(
+      OUTPUT ${_src_out}
+      COMMAND ${CMAKE_COMMAND} -E copy ${_src_in} ${_src_out}
+      DEPENDS ${_src_in}
+      COMMENT "Copying ${_plugin_name} plugin ${_src} to ${_src_out}"
+    )
+    list(APPEND src_outs ${_src_out})
+  endforeach()
+  
+  add_custom_target(copy_${_plugin_name} ALL DEPENDS ${src_outs})
+  
+  add_library(${_plugin_name} INTERFACE)
+  add_library(${_name}::${_plugin_name} ALIAS ${_plugin_name})
+  
+  set_target_properties(
+    ${_plugin_name}
+    PROPERTIES
+      INTERFACE_PYTHON_SCRIPTS_DIR
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/${_plugin_name}>$<INSTALL_INTERFACE:${CMAKE_INSTALL_BINDIR}/${_plugin_name}>
+  )
+  
+  set_target_properties(
+    ${_plugin_name}
+    PROPERTIES
+    INTERFACE_PYTHON_SCRIPTS $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/${${_plugin_name}_SOURCES}>$<INSTALL_INTERFACE:${CMAKE_INSTALL_BINDIR}/${${_plugin_name}_SOURCES}>
+  )
+  
+  install(
+    TARGETS ${_plugin_name}
+    EXPORT ${_plugin_name}Targets
+    DESTINATION ${CMAKE_INSTALL_BINDIR}
+  )
+  
+  install(
+    EXPORT ${_plugin_name}Targets
+    FILE ${_plugin_name}Targets.cmake
+    NAMESPACE ${_name}::
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${_name}
+  )
+  install(DIRECTORY ${_plugin_name} DESTINATION ${CMAKE_INSTALL_BINDIR})
+endfunction()

cmake/InstallBasic.cmake

@@ -0,0 +1,39 @@
+include_guard(DIRECTORY)
+include(GNUInstallDirs)
+include(${CMAKE_SOURCE_DIR}/cmake/PackBasic.cmake)
+include(${CMAKE_SOURCE_DIR}/cmake/SetFirstDefined.cmake)
+
+function(install_basic)
+  set(_options)
+  set(_one_value_args NAME INCLUDE_DIR)
+  set(_multi_value_args)
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+  set_first_defined(_name _ARGS_NAME PROJECT_NAME)
+  set_first_defined(_include_dir _ARGS_INCLUDE_DIR _name)
+
+  file(
+    GLOB_RECURSE ${_name}_HEADERS
+    RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+    ${_include_dir}/*.h)
+
+  target_sources(${_name}
+    PUBLIC
+      FILE_SET HEADERS FILES ${${_name}_HEADERS})
+
+  install(
+    TARGETS ${_name}
+    EXPORT ${_name}Targets
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    FILE_SET HEADERS DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+  )
+
+  install(
+    EXPORT ${_name}Targets
+    FILE ${_name}Targets.cmake
+    NAMESPACE ${_name}::
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${_name})
+
+  pack_basic()
+endfunction()

cmake/PackBasic.cmake

@@ -0,0 +1,44 @@
+include_guard(DIRECTORY)
+include(CMakePackageConfigHelpers)
+include(${CMAKE_SOURCE_DIR}/cmake/SetFirstDefined.cmake)
+
+function(pack_basic)
+  set(_options)
+  set(_one_value_args NAME)
+  set(_multi_value_args)
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+  set_first_defined(_name _ARGS_NAME PROJECT_NAME)
+
+  find_package(Git QUIET)
+
+  if(GIT_FOUND)
+    execute_process(
+      COMMAND ${GIT_EXECUTABLE} describe --tags --always --dirty
+      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+      OUTPUT_VARIABLE PROJECT_VERSION
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+  endif()
+
+  if(NOT GIT_FOUND OR PROJECT_VERSION STREQUAL "")
+    set(PROJECT_VERSION "0.0.0")
+  endif()
+
+  write_basic_package_version_file(
+    "${CMAKE_CURRENT_BINARY_DIR}/${_name}ConfigVersion.cmake"
+    VERSION ${PROJECT_VERSION}
+    COMPATIBILITY AnyNewerVersion
+  )
+
+  configure_package_config_file(
+    "${CMAKE_CURRENT_SOURCE_DIR}/Config.cmake.in"
+    "${CMAKE_CURRENT_BINARY_DIR}/${_name}Config.cmake"
+    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${_name}
+  )
+
+  install(
+    FILES
+      "${CMAKE_CURRENT_BINARY_DIR}/${_name}Config.cmake"
+      "${CMAKE_CURRENT_BINARY_DIR}/${_name}ConfigVersion.cmake"
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${_name})
+endfunction()

cmake/Protobuf.cmake

@@ -1,145 +0,0 @@
-set(Protobuf_PROTOC_EXECUTABLE "${SPARK_BIN}/protoc")
-set(PROTOBUF_INCLUDE_DIRS "${SPARK_INCLUDE}")
-set(PROTOBUF_STATIC_LIB "libprotobuf")
-
-function(Protobuf_Generate_Cpp SRCS HDRS)
-  set(${SRCS})
-  set(${HDRS})
-
-  foreach(FIL ${ARGN})
-    get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
-    get_filename_component(FIL_WE ${FIL} NAME_WE)
-    get_filename_component(FIL_DIR ${FIL} DIRECTORY)
-    if(FIL_DIR)
-      set(FIL_WE "${FIL_DIR}/${FIL_WE}")
-    endif()
-
-    list(APPEND ${SRCS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc")
-    list(APPEND ${HDRS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h")
-
-    add_custom_command(
-      OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc"
-             "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h"
-      COMMAND
-        ${Protobuf_PROTOC_EXECUTABLE} ARGS --cpp_out=${CMAKE_BINARY_DIR}/src -I
-        ${PROTOBUF_INCLUDE_DIRS} -I ${CMAKE_SOURCE_DIR}/src ${ABS_FIL}
-      DEPENDS ${ABS_FIL}
-      COMMENT "Running C++ protocol buffer compiler on ${FIL}"
-      VERBATIM)
-  endforeach()
-
-  set_source_files_properties(${${SRCS}} ${${HDRS}} PROPERTIES GENERATED TRUE)
-
-  # remove some warnings from protobuf generated files
-  if(WIN32)
-    set_source_files_properties(${${SRCS}} PROPERTIES COMPILE_FLAGS
-                                                      "/wd4309 /wd4838")
-  else()
-    set_source_files_properties(
-      ${${SRCS}}
-      PROPERTIES
-        COMPILE_FLAGS
-        "-Wno-unused-parameter -Wno-effc++ -Wno-pedantic -Wno-sign-compare -Wno-uninitialized"
-    )
-  endif()
-
-  set(${SRCS}
-      ${${SRCS}}
-      PARENT_SCOPE)
-  set(${HDRS}
-      ${${HDRS}}
-      PARENT_SCOPE)
-endfunction()
-
-function(Service_Compiler_Generate_Cpp SRCS HDRS)
-  set(${SRCS})
-  set(${HDRS})
-
-  foreach(FIL ${ARGN})
-    get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
-    get_filename_component(FIL_WE ${FIL} NAME_WE)
-    get_filename_component(FIL_DIR ${FIL} DIRECTORY)
-    if(FIL_DIR)
-      set(FIL_WE "${FIL_DIR}/${FIL_WE}")
-    endif()
-
-    list(APPEND ${SRCS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc")
-    list(APPEND ${HDRS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h")
-
-    list(APPEND ${SRCS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.client.pb.cc")
-    list(APPEND ${HDRS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.client.pb.h")
-
-    list(APPEND ${SRCS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.server.pb.cc")
-    list(APPEND ${HDRS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.server.pb.h")
-
-    set(TEMPLATES
-        ${CMAKE_CURRENT_SOURCE_DIR}/api/service_compiler/templates/cpp/client.pb.cc
-        ${CMAKE_CURRENT_SOURCE_DIR}/api/service_compiler/templates/cpp/client.pb.h
-        ${CMAKE_CURRENT_SOURCE_DIR}/api/service_compiler/templates/cpp/server.pb.cc
-        ${CMAKE_CURRENT_SOURCE_DIR}/api/service_compiler/templates/cpp/server.pb.h
-    )
-
-    if(WIN32)
-      add_custom_command(
-        OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc"
-               "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h"
-               "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.client.pb.cc"
-               "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.client.pb.h"
-               "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.server.pb.cc"
-               "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.server.pb.h"
-        COMMAND SET PYTHONPATH=${SPARK_PYTHON}
-        COMMAND ${CMAKE_SOURCE_DIR}/.venv/Scripts/activate.bat
-        COMMAND
-          ${Protobuf_PROTOC_EXECUTABLE} ARGS --cpp_out=${CMAKE_BINARY_DIR}/src
-          --plugin=protoc-gen-service=${CMAKE_SOURCE_DIR}/src/lib/api/service_compiler/plugin.cmd
-          --service_out=lang=cpp:${CMAKE_BINARY_DIR}/src -I
-          ${PROTOBUF_INCLUDE_DIRS} -I ${CMAKE_SOURCE_DIR}/src ${ABS_FIL}
-        DEPENDS ${ABS_FIL} ${TEMPLATES}
-                ${CMAKE_CURRENT_SOURCE_DIR}/api/service_compiler/plugin.py
-        COMMENT "Running C++ service compiler on ${FIL}"
-        VERBATIM)
-    else()
-      add_custom_command(
-        OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc"
-               "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h"
-               "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.client.pb.cc"
-               "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.client.pb.h"
-               "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.server.pb.cc"
-               "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.server.pb.h"
-        COMMAND ${CMAKE_SOURCE_DIR}/tools/venv_exec.sh
-        ARGS
-          ${Protobuf_PROTOC_EXECUTABLE}
-          --cpp_out=${CMAKE_BINARY_DIR}/src
-          --plugin=protoc-gen-service=${CMAKE_SOURCE_DIR}/src/lib/api/service_compiler/plugin.py
-          --service_out=lang=cpp,make_file_name=${ABS_FIL}:${CMAKE_BINARY_DIR}/src
-          -I ${PROTOBUF_INCLUDE_DIRS} -I ${CMAKE_SOURCE_DIR}/src ${ABS_FIL}
-        DEPENDS ${ABS_FIL} ${TEMPLATES}
-                ${CMAKE_CURRENT_SOURCE_DIR}/api/service_compiler/plugin.py
-        COMMENT "Running C++ service compiler on ${FIL}"
-        VERBATIM)
-    endif()
-
-  endforeach()
-
-  # remove some warnings from protobuf generated files
-  if(WIN32)
-    set_source_files_properties(${${SRCS}} PROPERTIES COMPILE_FLAGS
-                                                      "/wd4309 /wd4838")
-  else()
-    set_source_files_properties(
-      ${${SRCS}}
-      PROPERTIES
-        COMPILE_FLAGS
-        "-Wno-unused-parameter -Wno-effc++ -Wno-pedantic -Wno-sign-compare -Wno-uninitialized"
-    )
-  endif()
-
-  set(${SRCS}
-      ${${SRCS}}
-      PARENT_SCOPE)
-  set(${HDRS}
-      ${${HDRS}}
-      PARENT_SCOPE)
-
-endfunction()
-

cmake/ProtobufGenerateCpp.cmake

@@ -0,0 +1,83 @@
+include_guard(GLOBAL)
+
+function(protobuf_generate_cpp)
+  set(_options)
+  set(_one_value_args
+    CXX_SOURCES
+    CXX_HEADERS
+    CXX_OUT_DIR
+    PROTOC
+  )
+  set(_multi_value_args
+    PROTO_INCLUDE_DIRS
+    PROTO_SOURCES
+  )
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+
+  if (NOT DEFINED _ARGS_PROTOC)
+    if (WIN32)
+      set(_ARGS_PROTOC "${EXTERNALS_BIN}/protoc.exe")
+    else()
+      set(_ARGS_PROTOC "${EXTERNALS_BIN}/protoc")
+    endif()
+  endif()
+  set(${_ARGS_CXX_SOURCES})
+  set(${_ARGS_CXX_HEADERS})
+
+  set(_proto_include_cli_args)
+  foreach(_dir ${_ARGS_PROTO_INCLUDE_DIRS})
+    list(APPEND _proto_include_cli_args -I ${_dir})
+  endforeach()
+
+  foreach(_fil ${_ARGS_PROTO_SOURCES})
+    get_filename_component(_abs_fil ${_fil} ABSOLUTE)
+    get_filename_component(_fil_we ${_fil} NAME_WE)
+    get_filename_component(_fil_dir ${_fil} DIRECTORY)
+    if(_fil_dir)
+      set(_fil_we "${_fil_dir}/${_fil_we}")
+    endif()
+    list(APPEND ${_ARGS_CXX_SOURCES} "${_ARGS_CXX_OUT_DIR}/${_fil_we}.pb.cc")
+    list(APPEND ${_ARGS_CXX_HEADERS} "${_ARGS_CXX_OUT_DIR}/${_fil_we}.pb.h")
+    message(STATUS "add_custom_command for ${_fil} -> ${_ARGS_CXX_OUT_DIR}/${_fil_we}.pb.h")
+    # TODO: Pass proto sources by relative path (so this fn can be called from
+    # arbitrary subdirs).
+    add_custom_command(
+      OUTPUT
+        "${_ARGS_CXX_OUT_DIR}/${_fil_we}.pb.cc"
+        "${_ARGS_CXX_OUT_DIR}/${_fil_we}.pb.h"
+      COMMAND
+        ${_ARGS_PROTOC}
+      ARGS
+        --cpp_out=${_ARGS_CXX_OUT_DIR} ${_proto_include_cli_args} ${_abs_fil}
+      DEPENDS ${_abs_fil}
+      COMMENT "Running C++ protocol buffer compiler on ${_fil}"
+      VERBATIM
+    )
+  endforeach()
+
+  set_source_files_properties(
+    ${${_ARGS_CXX_SOURCES}}
+    ${${_ARGS_CXX_HEADERS}}
+    PROPERTIES
+      GENERATED TRUE
+  )
+
+  # remove some warnings from protobuf generated files
+  if(WIN32)
+    set_source_files_properties(
+      ${${_ARGS_CXX_SOURCES}}
+      PROPERTIES
+        COMPILE_FLAGS "/wd4309 /wd4838"
+    )
+  else()
+    set_source_files_properties(
+      ${${_ARGS_CXX_SOURCES}}
+      PROPERTIES
+        COMPILE_FLAGS "-Wno-unused-parameter -Wno-effc++ -Wno-pedantic -Wno-sign-compare -Wno-uninitialized"
+    )
+  endif()
+
+  set(${_ARGS_CXX_SOURCES} ${${_ARGS_CXX_SOURCES}} PARENT_SCOPE)
+  set(${_ARGS_CXX_HEADERS} ${${_ARGS_CXX_HEADERS}} PARENT_SCOPE)
+endfunction()
+

cmake/ProtobufGenerateCppConfig.cmake

@@ -0,0 +1,61 @@
+include_guard(GLOBAL)
+
+function(protobuf_generate_cpp_config)
+  set(_options)
+  set(_one_value_args
+    PROTO_SOURCES_HEADER
+    PROTO_DEFAULTS_HEADER
+  )
+  set(_multi_value_args
+    PROTO_SOURCES
+    PROTO_DEFAULTS
+  )
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+
+  # Configure the 'config_proto_files' header. It provides an array of strings populated with the
+  # files in PROTO_SOURCES. At runtime, we use this array to generate a special 'config' proto
+  # message with fields for each message defined in said files. A global instance of this 'config'
+  # proto is then constructed, and populated with [compile-time] defaults, and [runtime] overrides
+  # (i.e., in spark.conf). Calls to `bts::config::get<T>()` retrieve the value from the field
+  # associated with type `T` in this global instance.
+  message(STATUS "PROTO_SOURCES: ${_ARGS_PROTO_SOURCES}")
+  message(STATUS "PROTO_SOURCES_HEADER: ${_ARGS_PROTO_SOURCES_HEADER}")
+  message(STATUS "PROTO_DEFAULTS_HEADER: ${_ARGS_PROTO_DEFAULTS_HEADER}")
+  if (_ARGS_PROTO_SOURCES_HEADER)
+    set(PROTO_SOURCES)
+    set(PROTO_SOURCES_CXX_ARRAY_ITEMS "")
+    foreach(_proto_path ${_ARGS_PROTO_SOURCES})
+      list(APPEND PROTO_SOURCES ${_proto_path})
+      string(APPEND PROTO_SOURCES_CXX_ARRAY_ITEMS "\"${_proto_path}\",\n")
+    endforeach()
+    list(LENGTH PROTO_SOURCES PROTO_SOURCES_LENGTH)
+    message(STATUS "CONFIGURING PROTO_SOURCES_HEADER): ${_ARGS_PROTO_SOURCES_HEADER}")
+    configure_file(${CMAKE_SOURCE_DIR}/cmake/config_proto_files.h.in ${_ARGS_PROTO_SOURCES_HEADER})
+  endif()
+
+  # Generate static defaults. Ideally, this would be a single string, but we use an array because
+  # the compiler complains if the string is longer than 65k.
+  set(_cfg_defaults_str "inline const char * config_static_defaults[] = { ")
+
+  foreach(_cfg_file_path ${_ARGS_PROTO_DEFAULTS})
+    file(READ ${_cfg_file_path} _cfg_file_content)
+    string(REPLACE "\"" "\\\"" _cfg_file_content_escaped ${_cfg_file_content})
+    string(REPLACE "\n" ";" _cfg_lines ${_cfg_file_content_escaped})
+
+    foreach(_line ${_cfg_lines})
+      string(APPEND _cfg_defaults_str "\n  \"${_line}\",")
+    endforeach(_line)
+  endforeach(_cfg_file_path)
+
+  string(APPEND _cfg_defaults_str "};")
+  set(_old_cfg_defaults_str "")
+
+  if(EXISTS ${_ARGS_PROTO_DEFAULTS_HEADER})
+    file(READ ${_ARGS_PROTO_DEFAULTS_HEADER} _old_cfg_defaults_str)
+  endif()
+
+  if(NOT _cfg_defaults_str STREQUAL _old_cfg_defaults_str)
+    file(WRITE "${_ARGS_PROTO_DEFAULTS_HEADER}" "${_cfg_defaults_str}")
+  endif()
+endfunction()
+

cmake/ProtobufGenerateFs.cmake

@@ -0,0 +1,49 @@
+include_guard(DIRECTORY)
+
+function(protobuf_generate_fs)
+  set(_options)
+  set(_one_value_args TARGET_NAME OUT_DIR PROTOC)
+  set(_multi_value_args PROTO_INCLUDE_DIRS PROTO_SOURCES)
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+
+  if (NOT DEFINED _ARGS_TARGET_NAME)
+    set(_ARGS_TARGET_NAME "${PROJECT_NAME}_generate_fs_protos")
+  endif()
+  if (NOT DEFINED _ARGS_PROTOC)
+    set(_ARGS_PROTOC "${EXTERNALS_BIN}/protoc")
+  endif()
+
+  set(_proto_include_cli_args)
+  foreach(_dir ${_ARGS_PROTO_INCLUDE_DIRS})
+    list(APPEND _proto_include_cli_args -I ${_dir})
+  endforeach()
+
+  set(_outputs)
+  foreach(_proto_source ${_ARGS_PROTO_SOURCES})
+    # get_filename_component(_abs_proto_source ${_proto_source} ABSOLUTE)
+    get_filename_component(_proto_source_we ${_proto_source} NAME_WE)
+    # get_filename_component(_proto_source_dir ${_proto_source} DIRECTORY)
+    list(APPEND _outputs ${_ARGS_OUT_DIR}/${_proto_source_we}.fable.fs)
+  endforeach()
+
+  set(_venv_exec ${CMAKE_SOURCE_DIR}/tools/venv_exec.sh)
+  set(_plugin_py ${CMAKE_SOURCE_DIR}/src/lib_spark/spark/api/service_compiler/plugin.py)
+  set(_template_fs ${CMAKE_SOURCE_DIR}/src/lib_spark/spark/api/service_compiler/templates/fs/fable.fs)
+  add_custom_command(
+    OUTPUT ${_outputs}
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    COMMAND ${_venv_exec}
+      ${_ARGS_PROTOC}
+      --plugin=protoc-gen-service=${_plugin_py}
+      --service_out=lang=fs,strip_out_path=1:${_ARGS_OUT_DIR}
+      ${_proto_include_cli_args}
+      ${_ARGS_PROTO_SOURCES}
+    DEPENDS
+      ${_venv_exec}
+      ${_plugin_py}
+      ${_template_fs}
+      ${CMAKE_CURRENT_SOURCE_DIR}/package-lock.json
+      ${_ARGS_PROTO_SOURCES}
+  )
+  add_custom_target(${_ARGS_TARGET_NAME} ALL DEPENDS "${_outputs}")
+endfunction()

cmake/ProtobufGenerateJs.cmake

@@ -0,0 +1,33 @@
+include_guard(DIRECTORY)
+
+function(protobuf_generate_js)
+  set(_options)
+  set(_one_value_args TARGET_NAME OUTPUT)
+  set(_multi_value_args PROTO_INCLUDE_DIRS PROTO_SOURCES)
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+
+  if (NOT DEFINED _ARGS_TARGET_NAME)
+    set(_ARGS_TARGET_NAME "${PROJECT_NAME}_generate_js_protos")
+  endif()
+
+  set(_proto_include_cli_args)
+  foreach(_dir ${_ARGS_PROTO_INCLUDE_DIRS})
+    list(APPEND _proto_include_cli_args -p ${_dir})
+  endforeach()
+
+  add_custom_command(
+    OUTPUT ${_ARGS_OUTPUT}
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    COMMAND npx
+      --no-install pbjs
+      -t json-module
+      -w commonjs
+      -o ${_ARGS_OUTPUT}
+      ${_proto_include_cli_args}
+      ${_ARGS_PROTO_SOURCES}
+    DEPENDS
+      ${CMAKE_CURRENT_SOURCE_DIR}/package-lock.json
+      ${_ARGS_PROTO_SOURCES}
+  )
+  add_custom_target(${_ARGS_TARGET_NAME} ALL DEPENDS ${_ARGS_OUTPUT})
+endfunction()

cmake/SetFirstDefined.cmake

@@ -0,0 +1,10 @@
+include_guard(GLOBAL)
+
+macro(set_first_defined RESULT)
+  foreach(_arg ${ARGN})
+    if (DEFINED ${_arg})
+      set(${RESULT} ${${_arg}})
+      break()
+    endif()
+  endforeach()
+endmacro()

cmake/SymLink.cmake

@@ -0,0 +1,49 @@
+include_guard(DIRECTORY)
+include(${CMAKE_SOURCE_DIR}/cmake/TernaryOperator.cmake)
+
+function(sym_link_dir)
+  set(_options)
+  set(_one_value_args TARGET_NAME SOURCE DEST COMMENT)
+  set(_multi_value_args)
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+  add_custom_command(
+    OUTPUT ${_ARGS_DEST}
+    COMMAND ln ARGS -sf ${_ARGS_SOURCE} ${_ARGS_DEST}
+  )
+  set_ternary(_comment _ARGS_COMMENT "${_ARGS_COMMENT}" "linking dir ${_ARGS_SOURCE} -> ${_ARGS_DEST}")
+  add_custom_target(
+    ${_ARGS_TARGET_NAME} ALL
+    DEPENDS ${_ARGS_DEST}
+    COMMENT "${_comment}"
+  )
+endfunction()
+
+function(sym_link_file)
+  set(_options)
+  set(_one_value_args SOURCE DEST INSTALL_DEST)
+  set(_multi_value_args)
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+  file(
+    CREATE_LINK
+      ${_ARGS_SOURCE}
+      ${_ARGS_DEST}
+    SYMBOLIC
+  )
+  if (DEFINED _ARGS_INSTALL_DEST)
+    install(
+      FILES
+      ${_ARGS_SOURCE}
+      DESTINATION ${_ARGS_INSTALL_DEST}
+    )
+  endif()
+endfunction()
+
+function(sym_link_local_lib LIB_NAME)
+  set(_lib_file_name "${CMAKE_SHARED_LIBRARY_PREFIX}${LIB_NAME}.so")
+  file(
+    CREATE_LINK
+      "${CMAKE_BINARY_DIR}/src/lib_${LIB_NAME}/${_lib_file_name}"
+      "${CMAKE_CURRENT_BINARY_DIR}/${_lib_file_name}"
+    SYMBOLIC
+  )
+endfunction()

cmake/SymLinkPythonModule.cmake

@@ -0,0 +1,39 @@
+include_guard(DIRECTORY)
+include(${CMAKE_SOURCE_DIR}/cmake/SymLink.cmake)
+
+function(sym_link_python_module)
+  set(_options)
+  set(_one_value_args LIB_NAME MODULE_NAME PLUGIN_NAME)
+  set(_multi_value_args)
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}"
+                        "${_multi_value_args}" ${ARGN})
+  if(NOT DEFINED _ARGS_LIB_NAME)
+    message(
+      FATAL_ERROR "LIB_NAME must be specified for sym_link_python_module()")
+  endif()
+  set(_lib_name ${_ARGS_LIB_NAME})
+  set(_module_name ${_ARGS_MODULE_NAME})
+  if(NOT DEFINED _ARGS_MODULE_NAME)
+    set(_module_name ${_lib_name}_module)
+  endif()
+  set(_plugin_name ${_ARGS_PLUGIN_NAME})
+  set(_deps ${_lib_name} ${_module_name})
+  if(DEFINED _ARGS_PLUGIN_NAME)
+    list(APPEND _deps ${_plugin_name} copy_${_plugin_name})
+  endif()
+  add_dependencies(${PROJECT_NAME} ${_deps})
+  sym_link_local_lib(${_lib_name})
+  set(_module_suffix cpython-310-x86_64-linux-gnu.so)
+  sym_link_file(
+    SOURCE
+    ${CMAKE_BINARY_DIR}/src/lib_${_lib_name}/${_module_name}.${_module_suffix}
+    DEST
+    ${CMAKE_CURRENT_BINARY_DIR}/${_module_name}.${_module_suffix}
+    INSTALL_DEST
+    ${CMAKE_INSTALL_BINDIR}/)
+  if(DEFINED _ARGS_PLUGIN_NAME)
+    get_target_property(plugins ${_plugin_name} INTERFACE_PYTHON_SCRIPTS_DIR)
+    sym_link_dir(TARGET_NAME ${PROJECT_NAME}_link_${_plugin_name} SOURCE
+                 ${plugins} DEST ${CMAKE_CURRENT_BINARY_DIR}/${_plugin_name})
+  endif()
+endfunction()

cmake/TernaryOperator.cmake

@@ -0,0 +1,9 @@
+include_guard(GLOBAL)
+
+macro(set_ternary RESULT CONDITION TRUE_VALUE FALSE_VALUE)
+  if(${CONDITION})
+    set(${RESULT} ${TRUE_VALUE})
+  else()
+    set(${RESULT} ${FALSE_VALUE})
+  endif()
+endmacro()

cmake/config_proto_files.h.in

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <array>
+
+namespace bts::@PROJECT_NAME@::protobufs {
+
+inline std::array<const char *, @PROTO_SOURCES_LENGTH@> config_proto_files = {
+@PROTO_SOURCES_CXX_ARRAY_ITEMS@
+};
+
+} // namespace bts::@PROJECT_NAME@::protobufs

cmake/version.h.in

@@ -0,0 +1,11 @@
+#ifndef BTS_SPARK_VERSION_H
+#define BTS_SPARK_VERSION_H
+
+#define BTS_SPARK_VERSION_MAJOR @PROJECT_VERSION_MAJOR@
+#define BTS_SPARK_VERSION_MINOR @PROJECT_VERSION_MINOR@
+#define BTS_SPARK_VERSION_PATCH @PROJECT_VERSION_PATCH@
+#define BTS_SPARK_VERSION_BUILD_METADATA @PROJECT_VERSION_BUILD_METADATA@
+#define BTS_SPARK_VERSION "@PROJECT_VERSION@"
+#define BTS_SPARK_VERSION_FULL "@PROJECT_VERSION_FULL@"
+
+#endif

cmake/vs_filters.cmake

@@ -1,24 +0,0 @@
-cmake_minimum_required(VERSION 3.5)
-
-# Explicitly set policy to convert relative paths to absolute (although this is a default policy,
-# setting it explicitly prevents a compile-warning)
-cmake_policy(SET CMP0076 NEW)
-
-# add protos to the library to facilitate source_group
-target_sources(libspark PUBLIC ${Config_Protos} ${NonConfig_Protos} ${Service_Protos})
-
-function(assign_source_group)
-  foreach(_source IN ITEMS ${ARGN})
-    if(IS_ABSOLUTE "${_source}")
-      file(RELATIVE_PATH _source_rel "${CMAKE_CURRENT_SOURCE_DIR}" "${_source}")
-    else()
-      set(_source_rel "${_source}")
-    endif()
-    get_filename_component(_source_path "${_source_rel}" PATH)
-    string(REPLACE "/" "\\" _source_path_msvc "${_source_path}")
-    source_group("${_source_path_msvc}" FILES "${_source}")
-    set(SOURCE_FILES "${_source}")
-  endforeach()
-endfunction(assign_source_group)
-
-assign_source_group(${SparkLib_Sources} ${Config_Protos} ${NonConfig_Protos} ${Service_Protos})

compose.yaml

@@ -0,0 +1,254 @@
+services:
+  sparkd:
+    volumes:
+      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
+      - ${SPARKD__MD_RECORDING_DIR:-md_recording}:/md_recording
+    build:
+      dockerfile: src/app_sparkd/Dockerfile
+      args:
+        - IMAGE=${SPARKD__IMAGE}
+        - SOURCE_DIR=${SPARKD__SOURCE_DIR}
+        - CONFIG_DIR=${SPARKD__CONFIG_DIR}
+        - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
+        - SPARKD_ENTRYPOINT=${SPARKD__SPARKD_ENTRYPOINT}
+    shm_size: "${SPARKD__SHM_SIZE:-512mb}"
+    env_file:
+      - .env
+      - ${SPARKD__CONFIG_DIR}/.env
+    ports:
+      - "${SPARKD__CONFIG_PORT}:${SPARKD__CONFIG_PORT}"
+      - "${SPARKD__QUICKBUS_PORT}:${SPARKD__QUICKBUS_PORT}"
+      - "${SPARKD__SIM_FIX_PORT}:${SPARKD__SIM_FIX_PORT}"
+    entrypoint: ${SPARKD__MAIN_ENTRYPOINT}
+    deploy:
+      resources:
+        limits:
+          memory: "${SPARKD__MEMORY:-4gb}"
+
+  sparkd-shell:
+    volumes:
+      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
+      - ${SPARKD__MD_RECORDING_DIR:-md_recording}:/md_recording
+    build:
+      dockerfile: docker/images/bluetradingsystems/linux_shell/Dockerfile
+      args:
+        - IMAGE=${SPARKD__IMAGE}
+        - SOURCE_DIR=${SPARKD__SOURCE_DIR}
+        - CONFIG_DIR=${SPARKD__CONFIG_DIR}
+        - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
+        - SPARKD_ENTRYPOINT=${SPARKD__SPARKD_ENTRYPOINT}
+    shm_size: "${SPARKD__SHM_SIZE:-512mb}"
+    command: "do sleep 1; done"
+    env_file:
+      - .env
+      - ${SPARKD__CONFIG_DIR}/.env
+    ports:
+      - "${SPARKD__CONFIG_PORT}:${SPARKD__CONFIG_PORT}"
+      - "${SPARKD__QUICKBUS_PORT}:${SPARKD__QUICKBUS_PORT}"
+      - "${SPARKD__SIM_FIX_PORT}:${SPARKD__SIM_FIX_PORT}"
+    deploy:
+      resources:
+        limits:
+          memory: "${SPARKD__MEMORY:-4gb}"
+
+  sparkd-symbols:
+    volumes:
+      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
+      - ${SPARKD__MD_RECORDING_DIR:-md_recording}:/md_recording
+      - ${SPARKD__RUNTIME_CONF_DIR:-sparkd_conf}:/home/bts/.local/share/bts/sparkd/conf
+    build:
+      dockerfile: src/app_sparkd/Dockerfile
+      args:
+        - IMAGE=${SPARKD__IMAGE}
+        - SOURCE_DIR=${SPARKD__SOURCE_DIR}
+        - CONFIG_DIR=${SPARKD__CONFIG_DIR}
+        - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
+        - SPARKD_ENTRYPOINT=${SPARKD__SPARKD_ENTRYPOINT}
+    shm_size: "${SPARKD__SHM_SIZE:-512mb}"
+    env_file:
+      - .env
+      - ${SPARKD__CONFIG_DIR}/.env
+    ports:
+      - "${SPARKD__CONFIG_PORT}:${SPARKD__CONFIG_PORT}"
+      - "${SPARKD__QUICKBUS_PORT}:${SPARKD__QUICKBUS_PORT}"
+      - "${SPARKD__SIM_FIX_PORT}:${SPARKD__SIM_FIX_PORT}"
+    entrypoint: ${SPARKD__MAIN_ENTRYPOINT}
+    deploy:
+      restart_policy:
+        condition: any
+        delay: 3s
+      resources:
+        limits:
+          memory: "${SPARKD__MEMORY:-4gb}"
+  sparkd-multicast:
+    environment:
+      - TZ=America/Chicago
+    volumes:
+      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
+      - ${SPARKD__MD_RECORDING_DIR:-md_recording}:/md_recording
+      - ${SPARKD__RUNTIME_CONF_DIR:-sparkd_conf}:/home/bts/.local/share/bts/sparkd/conf
+    build:
+      dockerfile: src/app_sparkd/Dockerfile
+      args:
+        - IMAGE=${SPARKD__IMAGE}
+        - SOURCE_DIR=${SPARKD__SOURCE_DIR}
+        - CONFIG_DIR=${SPARKD__CONFIG_DIR}
+        - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
+        - SPARKD_ENTRYPOINT=${SPARKD__SPARKD_ENTRYPOINT}
+    shm_size: "${SPARKD__SHM_SIZE:-8192mb}"
+    env_file:
+      - .env
+      - ${SPARKD__CONFIG_DIR}/.env
+    network_mode: "host"
+    entrypoint: ${SPARKD__MAIN_ENTRYPOINT}
+    deploy:
+      restart_policy:
+        condition: any
+        delay: 3s
+      resources:
+        limits:
+          memory: "${SPARKD__MEMORY:-16gb}"
+  
+  
+  sparkd-multicast-cert:
+    environment:
+      - TZ=America/Chicago
+    volumes:
+      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
+      - ${SPARKD__MD_RECORDING_DIR:-md_recording}:/md_recording
+      - ${SPARKD__RUNTIME_CONF_DIR:-sparkd_conf}:/home/bts/.local/share/bts/sparkd/conf
+    build:
+      dockerfile: src/app_sparkd/Dockerfile
+      args:
+        - IMAGE=${SPARKD__IMAGE}
+        - SOURCE_DIR=${SPARKD__SOURCE_DIR}
+        - CONFIG_DIR=${SPARKD__CONFIG_DIR}
+        - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
+        - SPARKD_ENTRYPOINT=${SPARKD__SPARKD_ENTRYPOINT}
+    shm_size: "${SPARKD__SHM_SIZE:-8192mb}"
+    env_file:
+      - .env
+      - ${SPARKD__CONFIG_DIR}/.env
+    network_mode: "host"
+    entrypoint: ${SPARKD__MAIN_ENTRYPOINT}
+    deploy:
+      restart_policy:
+        condition: any
+        delay: 3s
+      resources:
+        limits:
+          memory: "${SPARKD__MEMORY:-16gb}"
+  
+  sparkd-tail:
+    image: bluetradingsystems/linux_dotnet8
+    volumes:
+      - type: volume
+        read_only: true
+        source: sparkd_data
+        target: /home/bts/.local/share/bts/sparkd/data/logging.sparkd
+        volume:
+          subpath: logging.sparkd
+    command: ["tail", "-f", "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log"]
+
+  sparkd-ping-test:
+    depends_on:
+      - sparkd
+    profiles:
+      - ping-test
+    build:
+      context: .
+      dockerfile_inline: |
+        FROM bluetradingsystems/linux_dotnet8
+        USER "root"
+        RUN apt-get update && apt-get -y install iputils-ping
+    command: [ "ping", "sparkd" ]
+
+  pubsub:
+    volumes:
+      - ${PUBSUB__DATA_DIR:-pubsub_data}:/home/bts/.local/share/bts/pubsub/data
+    build:
+      dockerfile: src/DataStreamSuite/PubSubServer/Dockerfile
+      args:
+        - SOURCE_DIR=${PUBSUB__SOURCE_DIR}
+        - CONFIG_DIR=${PUBSUB__CONFIG_DIR}
+    ports:
+      - 22019:22019
+    command: >
+      sh -c "
+        echo bts | sudo -S chown -R bts:bts /home/bts/.local/share/bts/pubsub/data
+        if [ -e "/home/bts/.local/share/bts/pubsub/data/logging.PubSubServer/log" ]; then
+          mv "/home/bts/.local/share/bts/pubsub/data/logging.PubSubServer/log" "/home/bts/.local/share/bts/pubsub/data/logging.PubSubServer/log_$(date '+%Y%m%d-%H%M')"
+        fi
+        if [ -e "/home/bts/.local/share/bts/pubsub/conf/.env" ]; then
+          echo 'Sourcing /home/bts/.local/share/bts/pubsub/conf/.env'
+          set -a
+          . /home/bts/.local/share/bts/pubsub/conf/.env
+          set +a
+        fi
+        if [ -e "/home/bts/.local/share/bts/pubsub/conf/.env.local" ]; then
+          echo 'Sourcing /home/bts/.local/share/bts/pubsub/conf/.env.local'
+          set -a
+          . /home/bts/.local/share/bts/pubsub/conf/.env.local
+          set +a
+        fi
+        ./PubSubServer"
+    env_file:
+      - .env
+      - ${PUBSUB__CONFIG_DIR}/.env
+
+  md-publisher:
+    volumes:
+      - ${MD_PUBLISHER__DATA_DIR:-md_publisher_data}:/home/bts/.local/share/bts/md_publisher/data
+      - historic_md:/home/bts/.local/share/bts/md_publisher/data/databento
+    build:
+      dockerfile: src/DataStreamSuite/DataStreamPublisher/Dockerfile
+      args:
+        - SOURCE_DIR=${MD_PUBLISHER__SOURCE_DIR}
+        - CONFIG_DIR=${MD_PUBLISHER__CONFIG_DIR}
+    command: >
+      sh -c "
+        echo bts | sudo -S chown -R bts:bts /home/bts/.local/share/bts/md_publisher/data
+        if [ -e "/home/bts/.local/share/bts/md_publisher/data/logging.DataStreamPublisher/log" ]; then
+          mv "/home/bts/.local/share/bts/md_publisher/data/logging.DataStreamPublisher/log" "/home/bts/.local/share/bts/md_publisher/data/logging.DataStreamPublisher/log_$(date '+%Y%m%d-%H%M')"
+        fi
+        if [ -e "/home/bts/.local/share/bts/md_publisher/conf/.env" ]; then
+          echo 'Sourcing /home/bts/.local/share/bts/md_publisher/conf/.env'
+          set -a
+          . /home/bts/.local/share/bts/md_publisher/conf/.env
+          set +a
+        fi
+        if [ -e "/home/bts/.local/share/bts/md_publisher/conf/.env.local" ]; then
+          echo 'Sourcing /home/bts/.local/share/bts/md_publisher/conf/.env.local'
+          set -a
+          . /home/bts/.local/share/bts/md_publisher/conf/.env.local
+          set +a
+        fi
+      dockerize -wait tcp://pubsub:22019 -timeout 10s ./DataStreamPublisher"
+    env_file:
+      - .env
+      - ${MD_PUBLISHER__CONFIG_DIR}/.env
+
+  api-server:
+    depends_on:
+      - sparkd
+    ports:
+      - 8008:8008
+      - 9443:9443
+    build:
+      dockerfile: src/client/spark_api_server/Dockerfile
+    command: [ "dockerize", "-wait", "tcp://sparkd:8000", "-timeout", "10s", "./spark_api_server", "run" ]
+    environment:
+      - ASPNETCORE_ENVIRONMENT=Staging
+
+volumes:
+  sparkd_data:
+    name: "sparkd_${SPARKD__CONFIG_PORT:-8000}"
+  pubsub_data:
+    name: "pubsub_22019"
+  md_publisher_data:
+    name: "md_publisher_22019"
+  historic_md:
+    name: "historic_md"
+  md_recording:
+    name: "sparkd_md_recording_${SPARKD__CONFIG_PORT:-8000}"
+    external: true

doc/api/content/client/getting-started/services.md

@@ -124,8 +124,8 @@ service OrderService {
 ```
 ### C++ Example
 ```cpp
-#include "lib/api/public/ServiceContext.h"
-#include "lib/api/services/OrderService.client.pb.h"
+#include "spark/api/public/ServiceContext.h"
+#include "spark/api/services/OrderService.client.pb.h"
 using namespace bts::api;
 ServiceContext ctx;
 auto orders = ctx.locate<orderman::OrderService>();

doc/api/content/client/services/marketdata.md

@@ -29,9 +29,9 @@ namespace sample {
 ```
 
 ```cpp
-#include "lib/api/public/ServiceContext.h"
-#include "spark/lib/domain_model/Security.h"
-#include "lib/api/services/MarketDataService.client.pb.h"
+#include "spark/api/public/ServiceContext.h"
+#include "spark/domain_model/Security.h"
+#include "spark/api/services/MarketDataService.client.pb.h"
 #include <thread>
 
 using namespace bts::api;

doc/sparkd-security-id-lifecycle.md

@@ -0,0 +1,942 @@
+# Security ID handling in `sparkd`
+
+This document traces how security identifiers are created, translated, persisted,
+indexed, and published by the `sparkd` market-data paths. It focuses on the
+legacy CME MDP3/OnixS pipeline and the newer generalized market-data pipeline.
+
+## Executive summary
+
+`sparkd` uses two identifiers that must not be confused:
+
+| Identifier | Meaning | Typical field | Lifetime |
+|---|---|---|---|
+| Exchange/feed ID | The venue's identifier used to route incoming definitions, books, and trades | `FixedSecurity::numeric_id`, `ExchangeKey`, or `domain::Security::security_common.exchange_sec_id` | Feed/session-specific unless the source guarantees stability |
+| Spark security key | Spark's internal non-zero identifier used in shared memory, APIs, orders, positions, and downstream services | `FixedSecurity::key`, `api::Security::id()`, `SecurityKey`; historically also called `security_id` | Intended to be stable across restarts |
+
+`invalid_security_key` is `0`; a security with key `0` is not yet publicly
+discoverable through the shared-memory consumer path.
+
+The two principal paths differ:
+
+- **MDP3/OnixS:** the definition callback sets only the CME ID in
+  `numeric_id`. `MDProducer::add_security()` allocates the shared-memory entry
+  with key `0`. `SecurityIDRecorder`, driven by a 200 ms dispatcher timer,
+  resolves or inserts a stable key in `key_ids.sqlite`; its callback finally
+  calls `MDProducerHandle::set_key()`.
+- **Generalized/newer pipeline:** `GeneralMarketDataListener::on_securities()`
+  currently uses the ID already present on the incoming domain security
+  (`use_given_sec_key == true`). Live adapters normally obtain that ID
+  synchronously from `IDGenerator` first. `_copy_security_common()` then copies
+  it to both `FixedSecurity::key` and `numeric_id`, so
+  `MDProducer::add_security()` publishes it synchronously. Only the listener's
+  own fallback `IDGenerator` call is bypassed by the current constant.
+
+## End-to-end diagrams
+
+### CME MDP3 / OnixS
+
+```mermaid
+sequenceDiagram
+    participant FE as OnixS feed-engine thread
+    participant L as MDP3Listener
+    participant P as MDProducer / shared memory
+    participant Q as SecurityIDRecorder queues
+    participant D as sparkd dispatcher thread
+    participant DB as key_ids.sqlite
+
+    FE->>L: instrument definition (CME SecurityID)
+    L->>L: set_security_common() - numeric_id = CME SecurityID, key remains 0
+    L->>P: add_security(FixedSecurity)
+    P->>P: allocate hot + cold entries with key 0
+    P->>Q: ensure_key(handle)
+    L->>L: index[CME SecurityID] = handle
+    Note over FE,L: Books can route by CME ID while the Spark key is pending
+    D->>Q: every 200 ms - work_spreads(), work_handles(), work_db()
+    Q->>DB: find (namespace, descriptor), or insert a new row
+    DB-->>Q: SQLite rowid = Spark security key
+    Q->>P: handle.set_key(rowid)
+    P->>P: hot.key first, then cold security.key, then increment security_count
+    Note over P: The security is now public to shared-memory consumers
+```
+
+### Generalized/newer pipeline (current behavior)
+
+```mermaid
+sequenceDiagram
+    participant A as Venue adapter / plugin
+    participant DB as IDGenerator / key_ids.sqlite
+    participant G as GeneralMarketDataListener
+    participant I as GeneralSecurityIndex
+    participant P as MDProducer / shared memory
+
+    A->>DB: get_or_add(venue, type, adapter key)
+    DB-->>A: SQLite rowid as domain SecurityID
+    A->>G: on_securities(domain Security list with ID)
+    G->>G: _find_sec() - use incoming security_common.id
+    G->>G: _copy_security_common() - key = id, numeric_id = id
+    G->>P: add_security(FixedSecurity with non-zero key)
+    P->>P: set_key() during add_security()
+    G->>I: index[id] = handle
+    Note over G,P: No asynchronous ID assignment in the current configuration
+```
+
+## Data-flow charts
+
+The sequence diagrams above emphasize timing and thread transitions. These
+flowcharts emphasize which identifier is carried through each representation
+and where data is retained.
+
+### MDP3 / legacy data flow
+
+```mermaid
+flowchart TD
+    CME["CME MDP3 packets<br/>CME SecurityID"] --> ONIXS["OnixS feed engine<br/>decode definition and updates"]
+
+    ONIXS --> DEF["MDP3Listener definition callback"]
+    DEF --> FIXED["FixedSecurity<br/>numeric_id = CME SecurityID<br/>key = 0"]
+
+    FIXED --> PRODUCER["MDProducer::add_security"]
+    PRODUCER --> PENDING["Hot and cold shared memory<br/>allocated but not public<br/>key = 0"]
+    PRODUCER --> QUEUE["SecurityIDRecorder<br/>pending_handle queue"]
+
+    FIXED --> CMEINDEX["CMESecurityIndex<br/>CME SecurityID to handle"]
+
+    QUEUE --> TIMER["Dispatcher timer<br/>every 200 ms"]
+    TIMER --> LEGS{"Spread legs<br/>all resolved?"}
+    LEGS -- No --> UNRESOLVED["unresolved_legs<br/>exchange IDs awaiting keys"]
+    UNRESOLVED --> CMEINDEX
+    CMEINDEX --> LEGS
+    LEGS -- Yes or outright --> LOGICAL["Logical identity<br/>venue + type + security_desc"]
+
+    LOGICAL --> SELECT["SQLite SELECT<br/>key_ids.sqlite"]
+    SELECT -- Existing row --> ROWID["SQLite rowid<br/>Spark security key"]
+    SELECT -- Missing row --> INSERT["Batched SQLite INSERT"]
+    INSERT --> ROWID
+
+    ROWID --> SETKEY["MDProducerHandle::set_key"]
+    SETKEY --> HOT["Write hot-entry key"]
+    HOT --> COLD["Write cold security key"]
+    COLD --> COUNT["Increment security_count"]
+    COUNT --> PUBLIC["Public security<br/>visible to MDConsumer"]
+
+    ONIXS --> UPDATE["Book, trade, status, or RFQ<br/>carrying CME SecurityID"]
+    UPDATE --> CMEINDEX
+    CMEINDEX --> HANDLE["MDProducerHandle"]
+    HANDLE --> LIVE["Update live shared-memory data"]
+    PUBLIC --> LIVE
+```
+
+The CME index is usable before the Spark key is assigned, so feed updates can
+reach the internal handle while the security is still hidden from consumers.
+The persistent rowid crosses the publication boundary only at `set_key()`.
+
+### Generalized/newer data flow
+
+```mermaid
+flowchart TD
+    FEED["Venue feed, Databento,<br/>Python plugin, or replay"] --> ADAPTER["Source adapter<br/>build domain::Security"]
+
+    ADAPTER --> IDTYPE{"Live definition or<br/>recorded/pre-keyed input?"}
+    IDTYPE -- Live --> IDINPUT["Logical identity<br/>venue + type + adapter-chosen name"]
+    IDINPUT --> MUTEX["IDGenerator global mutex"]
+    MUTEX --> SELECT["Synchronous SQLite SELECT<br/>key_ids.sqlite"]
+    SELECT -- Existing row --> ROWID["SQLite rowid"]
+    SELECT -- Missing row --> INSERT["Synchronous SQLite INSERT<br/>autocommit"]
+    INSERT --> ROWID
+    ROWID --> DOMAINID["domain::SecurityID<br/>used as Spark ID"]
+    IDTYPE -- Recorded or pre-keyed --> DOMAINID
+
+    DOMAINID --> DOMAINSEC["SecurityCommon::id = Spark ID"]
+    DOMAINSEC --> LISTENER["GeneralMarketDataListener::on_securities"]
+    LISTENER --> CCMAP["cc_sec_id_map<br/>incoming ID to Spark ID"]
+    LISTENER --> CONVERT["_copy_security_common<br/>FixedSecurity.key = ID<br/>numeric_id = ID"]
+
+    CONVERT --> PRODUCER["MDProducer::add_security"]
+    PRODUCER --> SETKEY["Immediate set_key<br/>no recorder timer"]
+    SETKEY --> SHM["Hot and cold shared memory<br/>immediately public"]
+    CONVERT --> GENERALINDEX["GeneralSecurityIndex<br/>ID to handle"]
+
+    FEED --> EVENT["Book, trade, or statistics<br/>with exchange/source identity"]
+    EVENT --> EVENTMAP["Adapter map<br/>source identity to domain::SecurityID"]
+    EVENTMAP --> EVENTID["Event carries domain::SecurityID"]
+    EVENT --> PYHOT["Python bridge only<br/>synchronous IDGenerator lookup"]
+    PYHOT --> EVENTID
+    PYHOT -. uses same mutex and SQLite path .-> MUTEX
+    EVENTID --> CCMAP
+    CCMAP --> GENERALINDEX
+    GENERALINDEX --> HANDLE["MDProducerHandle"]
+    HANDLE --> SHMUPDATE["Update book, trade,<br/>statistics, or status"]
+    SHM --> SHMUPDATE
+
+```
+
+In the normal newer live path, persistence occurs before the definition enters
+the generalized listener. The DB call therefore adds synchronous adapter-side
+latency, but publication needs no later timer. Most adapters use an in-memory
+map for subsequent events; the dotted Python path is the documented exception.
+
+## The publication boundary
+
+`MDProducerHandle::set_key()` is the definitive publication point for the
+legacy shared-memory representation. Its write ordering is intentional:
+
+1. Write the key into the hot book entry (`HotEntry` or `HotDepthEntry`).
+2. Write the key into the cold security entry.
+3. Increment the cold header's public `security_count`.
+
+The cold security key is written last because consumers treat a non-zero cold
+key as visibility. At that moment the corresponding hot entry must already be
+addressable. `set_key()` only permits the transition from `0` to one key; it is
+not a key-update mechanism.
+
+## Identifier representations
+
+The names are historically inconsistent. In particular, many protobuf fields
+named `security_id` contain the **Spark key**, not the exchange's ID.
+
+| Layer | Exchange/feed identifier | Spark identifier |
+|---|---|---|
+| MDP3 wire/OnixS | `securityId()` | not present |
+| Legacy fixed security | `FixedSecurity::numeric_id` (`uint64_t`) | `FixedSecurity::key` / `security_key` (`uint32_t`) |
+| Legacy API security | venue-specific `exchange_id` | top-level `Security.id()` |
+| New domain model | `SecurityCommon::exchange_sec_id` (string) is descriptive; `SecurityCommon::id` is also used to correlate source events | `domain::SecurityID` (`uint64_t`), currently copied into the Spark key |
+| Shared-memory hot book | none | `HotEntry::key` or `HotDepthEntry::key` |
+| Shared-memory cold metadata | `FixedSecurity::numeric_id` | `FixedSecurity::key` |
+| CME runtime lookup | `CMESecurityIndex` key | `SecurityData::handle.key()` |
+| General runtime lookup | incoming/canonical `domain::SecurityID` | `GeneralSecurityIndex` key and `handle.key()` (currently the same value) |
+
+The generalized model declares `domain::SecurityID` as 64-bit, but the legacy
+shared-memory `security_key` remains 32-bit. `_copy_security_common()` assigns a
+64-bit value to both `numeric_id` and the 32-bit `key`. This is safe only while
+allocated IDs fit in 32 bits; unlike the legacy lookup path, this assignment has
+no explicit checked conversion.
+
+## Which parts use exchange IDs, descriptors, or Spark security IDs?
+
+The three identifier classes serve different jobs:
+
+- **Exchange/external ID:** routes data inside a venue or vendor feed adapter.
+- **Descriptor/natural key:** recognizes a definition logically at the
+  persistence, discovery, or human-facing boundary.
+- **Spark security ID/key:** joins the instrument to books, orders, fills,
+  positions, and services after publication.
+
+The core downstream system does not repeatedly identify a security from its
+description. The description is primarily used to obtain a Spark key; after
+that boundary, most joins use the numeric Spark key.
+
+### Component-level usage matrix
+
+| Component or data path | Exchange/external ID | Descriptor or name | Spark security ID/key |
+|---|---|---|---|
+| CME MDP3 definition decoder | Reads `securityId()` and stores it in `FixedSecurity::numeric_id` | Copies definition symbol/tag 55 into `security_desc` | Leaves `FixedSecurity::key` at `0` initially |
+| `CMESecurityIndex` | Primary map key; CME ID resolves to a handle | Not used for update routing | Returns `handle.key()` when the Spark key has been assigned |
+| MDP3 books, trades, status, statistics, and RFQs | Incoming CME ID selects the handle through `CMESecurityIndex` | Not used to locate each update | The selected handle writes keyed shared-memory/trade data after publication |
+| MDP3 spread definitions | Each leg initially contains `legSecurityId()` as `exchange_key` | Parent `security_desc` identifies the spread's DB row | Each leg's Spark key and then the parent Spark key must be resolved before publication |
+| Legacy ICE OnixS | Uses ICE `marketId` as `numeric_id` and index key | ICE security description becomes the logical lookup name | Uses the same recorder-assigned Spark key pattern as MDP3 |
+| `SecurityIDRecorder` | Does not allocate from the external ID | Uses `(venue, security type, securities::descriptor())` to find/create a row | Treats the SQLite rowid as the resulting Spark key |
+| Native generalized adapters | Use exchange strings/numeric IDs to parse definitions and correlate updates | Usually pass a description or exchange instrument name to `IDGenerator` | Put the returned ID into `SecurityCommon::id` and later events |
+| Databento adapter | Uses `msg.hd.instrument_id` for feed correlation and its in-memory map | Uses the decimal instrument ID string—not the human description—as the `IDGenerator` name | Caches `instrument_id -> domain::SecurityID` and places that ID on books/trades |
+| Python bridge | Reads `exchange_security_id` from definitions, books, and trades | Uses that external-ID string as the `IDGenerator` name | Resolves it to `domain::SecurityID`; currently performs this lookup for every event |
+| `IDGenerator` | Does not interpret whether `name` came from an exchange ID | Uses exactly `(venue, type, caller-supplied name)` | Returns the SQLite rowid as a 64-bit ID |
+| `GeneralMarketDataListener` | Does not route on `exchange_sec_id` directly | Copies `sec.desc()` into fixed metadata; its disabled fallback allocator would use `sec.desc()` | Uses incoming `SecurityCommon::id`, maps events through `cc_sec_id_map`, and copies the value into both `key` and `numeric_id` |
+| `GeneralSecurityIndex` | No separate external-ID concept in the current use-given path | Not used | Maps the generalized ID/Spark key to `MDProducerHandle` |
+| `MDProducer` / shared memory | Retains `numeric_id`; in legacy feeds this is the exchange ID, but in the generalized path it is currently the Spark ID | Stores `security_desc` in the cold definition | Uses the key in hot/cold entries; non-zero key is the visibility boundary |
+| `MDConsumer` | Not normally used to find live books | Can enumerate/filter converted security definitions | Finds handles and book data by `security_key` |
+| `SecurityCache` / `securities.sqlite` | Preserves venue-specific exchange data inside the serialized security blob | Maintains descriptor/name lookup indexes and supports venue/type/name queries | Primary persisted definition key is `api::Security.id()` |
+| MBO processor and MBO service | May retain exchange **order** IDs, which are separate from security exchange IDs | Not used to find the instrument | Indexes snapshots and requests by `SecurityKey`; MBO protobuf `security_id` means Spark key |
+| Order manager and algorithms | Execution gateways eventually use venue-specific fields from the resolved security to encode orders | Descriptions appear in logs and errors, not as the primary join | Order definitions, subscriptions, book events, native orders, spread legs, and fills use `security_key` / `Security.id()` |
+| Position, PNL, and risk services | Not used as their position join | May resolve metadata for display/reporting | Positions, fills, overrides, and PNL handles are keyed by Spark security ID |
+| Relay and market-data recordings | Serialized security definitions may preserve venue exchange IDs | Preserve full descriptors in recorded definitions | Books, updates, trades, and replay correlation preserve the recorded Spark key |
+| Synthetic security service | No venue exchange ID; synthetics use `VENUE_BTS` | Synthetic name is the recorder's logical descriptor | Recorder assigns the SQLite rowid and synthetic metadata is keyed by it |
+
+### Exchange/external IDs: where they stop
+
+In MDP3 the separation is explicit:
+
+```text
+CME SecurityID
+    -> FixedSecurity.numeric_id
+    -> CMESecurityIndex lookup
+    -> MDProducerHandle
+    -> Spark security_key for downstream publication
+```
+
+The external CME ID continues to route feed messages but does not become the
+order/position key. This permits the same downstream Spark key to survive a
+restart as long as the logical descriptor mapping remains in
+`key_ids.sqlite`, even if the feed must rediscover the CME routing ID.
+
+The generalized path collapses more of these roles:
+
+```text
+exchange/vendor identity
+    -> adapter calls IDGenerator
+    -> domain::SecurityID
+    -> FixedSecurity.key and FixedSecurity.numeric_id
+    -> GeneralSecurityIndex and downstream Spark key
+```
+
+`SecurityCommon::exchange_sec_id` may still contain the original textual
+external identifier, but `GeneralMarketDataListener` does not use it to route
+events and does not put it in `numeric_id`. The adapter must translate later
+events to `domain::SecurityID` before invoking the listener.
+
+### Descriptor/name users
+
+Descriptors are used in three main places:
+
+1. **Key allocation:** `SecurityIDRecorder` uses the legacy venue-specific
+   descriptor, while `IDGenerator` uses its caller-provided `name`.
+2. **Definition lookup and discovery:** `SecurityCache` supports
+   venue/type/name lookup; symbol filters and administrative tools use security
+   metadata to select or display instruments.
+3. **Diagnostics:** logs include symbols and descriptions so humans can
+   understand a numeric key.
+
+Descriptions generally do not drive the high-rate book, trade, order, fill, or
+position paths. Those paths use numeric IDs after definition resolution.
+
+It is important that “descriptor” does not mean one universal canonical field:
+
+- Legacy CME uses Globex `security_desc` from tag 55.
+- Many generalized adapters use `sec.desc()` or an exchange instrument name.
+- Databento uses its numeric instrument ID converted to a string.
+- Python uses `exchange_security_id`.
+
+Therefore, two adapters may describe the same economic contract but request
+different logical rows and receive different Spark IDs.
+
+### Spark security-ID users
+
+Once a security is published, its Spark key is the dominant system identifier:
+
+```mermaid
+flowchart LR
+    KEY["Spark security key"] --> SHM["Hot/cold shared memory"]
+    KEY --> MDC["MDConsumer and book subscriptions"]
+    KEY --> MBO["MBO snapshots and queries"]
+    KEY --> OMS["Orders, algorithms, and spread legs"]
+    KEY --> FILLS["Fills and execution records"]
+    KEY --> POS["Positions, PNL, and risk"]
+    KEY --> API["Services and client APIs"]
+    KEY --> REC["Relay and market-data recordings"]
+    KEY --> SECDB["Serialized security definitions"]
+```
+
+Fields named `security_id`, `security_key`, or top-level `Security.id()` in
+these downstream areas almost always mean the Spark key. They should not be
+compared directly with CME `SecurityID`, Databento `instrument_id`, or another
+venue/vendor identifier without going through the relevant adapter/index
+mapping.
+
+## Persistence and allocation
+
+### The authoritative key mapping: `key_ids.sqlite`
+
+Both allocators use `SqliteStore("key_ids")`. With the normal configuration the
+file is:
+
+```text
+<SystemConfig.data_path>/databases/key_ids/key_ids.sqlite
+```
+
+The database contains one table and two indexes:
+
+```sql
+CREATE TABLE store (ns TEXT, key TEXT, value TEXT);
+CREATE UNIQUE INDEX key_index ON store(ns, key);
+CREATE INDEX ns_index ON store(ns);
+```
+
+The SQLite `rowid` is the generated Spark key. `ns` is normally
+`<VENUE>.<SECURITY_TYPE>` (for example `GLBX.FUTURE`), and `key` is the security
+descriptor chosen by the caller. `value` is normally empty. Therefore ID
+stability depends on all three of these remaining stable:
+
+- the configured `data_path` and preservation of this database;
+- the venue/type namespace;
+- the descriptor supplied by the feed adapter.
+
+The two allocator implementations share the file and convention:
+
+- `SecurityIDRecorder` (legacy): derives the namespace from legacy API enums and
+  uses `securities::descriptor()`. For CME this is the Globex
+  `security_desc`, populated from the definition's symbol/tag 55.
+- `IDGenerator` (newer): derives the namespace from new domain enums and uses
+  the caller's `name`. Most adapters pass `sec.desc()` or an exchange instrument
+  identifier; Databento deliberately passes the decimal instrument ID, and the
+  Python bridge uses the exchange security ID.
+
+### Logical-row examples
+
+The following names are illustrative. Production uses the exact string emitted
+by the selected feed/adapter, including its case, spacing, and weekly-series
+notation.
+
+#### Legacy `SecurityIDRecorder`
+
+For CME, `set_security_common()` copies the MDP3 definition's symbol/tag 55 into
+Globex `security_desc`. After converting the fixed security to
+`api::Security`, `securities::descriptor()` returns that same
+`glbx.security_desc()` string.
+
+| Instrument | Legacy enums | Example descriptor from `security_desc` | Row searched/inserted in `store` |
+|---|---|---|---|
+| Future | `VENUE_GLBX`, `SECURITYTYPE_FUTURE` | `ESZ6` | `ns='GLBX.FUTURE', key='ESZ6'` |
+| Standard option | `VENUE_GLBX`, `SECURITYTYPE_OPTION` | `ESZ6 C6500` | `ns='GLBX.OPTION', key='ESZ6 C6500'` |
+| Weekly option | `VENUE_GLBX`, `SECURITYTYPE_OPTION` | `ESZ6-W1 C6500` | `ns='GLBX.OPTION', key='ESZ6-W1 C6500'` |
+| Spot from a legacy-compatible venue path | `VENUE_COINBASE`, `SECURITYTYPE_SPOT` | `BTC-USD` | `ns='COINBASE.SPOT', key='BTC-USD'` |
+
+A weekly option does not get a special namespace. Standard and weekly options
+are both `SECURITYTYPE_OPTION`, so both live in `GLBX.OPTION`; the exact
+`security_desc` distinguishes the weekly series. For example, if the database
+assigned rowids `42001` through `42004` to the rows above, those integers—not
+the descriptor strings—would be the Spark security keys.
+
+Conceptually, legacy allocation is:
+
+```text
+future:        lookup_or_insert("GLBX.FUTURE",  "ESZ6")
+option:        lookup_or_insert("GLBX.OPTION",  "ESZ6 C6500")
+weekly option: lookup_or_insert("GLBX.OPTION",  "ESZ6-W1 C6500")
+spot:          lookup_or_insert("COINBASE.SPOT", "BTC-USD")
+```
+
+#### Newer `IDGenerator`
+
+The namespace result is similar, but the third argument is chosen by the
+adapter. Examples using a description-oriented adapter are:
+
+```cpp
+get_or_add(VENUE_GLBX, SECURITY_TYPE_FUTURE, "ESZ6");
+// store: ns="GLBX.FUTURE", key="ESZ6"
+
+get_or_add(VENUE_GLBX, SECURITY_TYPE_OPTION, "ESZ6 C6500");
+// store: ns="GLBX.OPTION", key="ESZ6 C6500"
+
+get_or_add(VENUE_GLBX, SECURITY_TYPE_OPTION, "ESZ6-W1 C6500");
+// store: ns="GLBX.OPTION", key="ESZ6-W1 C6500"
+
+get_or_add(VENUE_COINBASE, SECURITY_TYPE_SPOT, "BTC-USD");
+// store: ns="COINBASE.SPOT", key="BTC-USD"
+```
+
+Databento intentionally produces a different logical row even when the human
+description is `ESZ6`. If its instrument ID were `12345678`, it would call the
+equivalent of:
+
+```cpp
+get_or_add(VENUE_GLBX, SECURITY_TYPE_FUTURE, "12345678");
+// store: ns="GLBX.FUTURE", key="12345678"
+```
+
+Likewise, the Python bridge uses `exchange_security_id`. A spot definition with
+`exchange_security_id="BTC-USD"` produces the `COINBASE.SPOT / BTC-USD` row,
+while a provider that sends `exchange_security_id="BTCUSD"` produces a
+different row and therefore a different Spark key.
+
+These examples show why the tuple is only logical when the adapter's naming
+contract is also known. `GLBX.FUTURE / ESZ6` and `GLBX.FUTURE / 12345678` may
+describe the same contract to a human but are distinct rows to `key_ids.sqlite`.
+
+Both enum-prefix removals currently produce the same namespace spelling (for
+example, `GLBX.OPTION`), so both mechanisms allocate from one global SQLite
+rowid space. Live rows cannot share a rowid. The table does not declare
+`AUTOINCREMENT`, however, so deleting rows—especially the highest row—can allow
+SQLite to reuse a number later. Security-key rows should therefore be treated
+as append-only operational data.
+
+`SqliteStore` uses WAL mode and `PRAGMA synchronous = 0`. This favors startup
+and feed latency over maximum durability against a host/power failure. The
+unique `(ns, key)` index prevents two different rows for the same logical
+security.
+
+### Other places the key is stored
+
+| Location | Purpose | Authoritative for allocation? |
+|---|---|---|
+| Hot and cold shared-memory segments | Live publication and fast consumer lookup | No; rebuilt at process startup |
+| `CMESecurityIndex` / `GeneralSecurityIndex` and adapter maps | In-process routing from an incoming ID to a producer handle | No; in-memory only |
+| `<data_path>/databases/md/securities.sqlite` | Serialized legacy `api::Security` definitions keyed by Spark key; used by security cache and MDP3 Sunday preload | No; it stores metadata after a key exists |
+| Relay/market-data recordings | Preserve the key embedded in recorded securities, books, and trades for deterministic replay | No; replay normally reuses the recorded value |
+| Orders, fills, positions, APIs | Reference a security by the published Spark key | No |
+
+The `SecurityIDRecorder::work_db()` comment says a published security is also
+recorded in the security database, but that function does **not** write
+`securities.sqlite` in the current code. Full security definitions are persisted
+separately by `SecurityCache::flush_to_disk()` through
+`db::insert_or_replace()`.
+
+## CME MDP3 / OnixS pipeline in detail
+
+### 1. Construction and thread setup
+
+`MDP3Main::PImpl` owns one `CMESecurityIndex`, one `SecurityIDRecorder`, and one
+`MDProducer`. It constructs the recorder with:
+
+- a lookup callback that maps `ExchangeKey` through the CME index to the
+  handle's current Spark key; and
+- `Dispatcher::current()`, which drives a 200 ms recorder timer.
+
+In the current `MarketDataGateway` route, `OnixsGlbxSubscription` creates a
+dedicated `dispatcher_thread`, constructs and starts `MDP3Main` on that thread,
+then calls that thread's dispatcher `run()`. The older `md run onixs` command
+uses its command/dispatcher thread similarly.
+
+The OnixS feed engine has its own configured thread pool. Instrument and market
+data callbacks therefore originate on OnixS feed-engine threads, while recorder
+database work and final key assignment execute on the MDP3 dispatcher thread.
+
+| MDP3 stage | Executing thread | DB call? |
+|---|---|---|
+| Decode definition and set CME `numeric_id` | OnixS feed-engine callback thread | No |
+| Allocate hot/cold entry and queue handle | Same OnixS callback thread | No |
+| Add CME-ID index entry | Same OnixS callback thread | No |
+| Resolve spread legs | MDP3 dispatcher thread, on 200 ms timer | No |
+| Select/insert Spark key | MDP3 dispatcher thread, on 200 ms timer | Yes |
+| `handle.set_key()` and public visibility | MDP3 dispatcher thread, in DB callback | No additional call |
+
+### 2. Definition callback: exchange ID is set, Spark key is not
+
+For futures, options, and spreads, `MDP3Listener::set_security_common()` does:
+
+```cpp
+fsec.numeric_id = def.securityId();
+```
+
+It also copies symbol/descriptor/venue and pricing fields. A newly constructed
+`FixedSecurity` already has `key == invalid_security_key` (`0`), and this helper
+does not change it.
+
+For a spread, every leg starts with:
+
+```cpp
+leg.exchange_key = ExchangeKey(definition_leg.legSecurityId());
+leg.key = invalid_security_key;
+```
+
+Thus both the parent and legs initially carry exchange-routing identity, but no
+Spark identity.
+
+### 3. Shared-memory allocation and exchange indexing
+
+`MDP3Listener::add_security()` performs these operations in order:
+
+1. `_producer.add_security(security)` allocates a hot entry and a variable-sized
+   cold entry and copies the security into the cold segment.
+2. Because the key is `0`, `MDProducer` queues the handle through
+   `SecurityIDRecorder::ensure_key()`.
+3. `_index.add_security(security.numeric_id, handle)` immediately creates the
+   CME-ID-to-handle mapping.
+4. The initial exchange status is written through the handle.
+
+This ordering means incoming books can already be routed by CME ID while the
+Spark key is pending. Shared-memory consumers cannot discover the security yet.
+Also, `MDProducerHandle::add_trade()` only appends to the public trade queue
+when `key() != 0`, so a trade received in this short window updates the cold
+last-trade state but is not added to the keyed trade log.
+
+### 4. Recorder tick: spreads, handles, then database
+
+Every 200 ms the recorder calls, in this exact order:
+
+1. `work_spreads()` tries to fill previously unresolved spread leg keys by
+   asking `CMESecurityIndex` for each leg exchange ID.
+2. `work_handles()` drains new handles. Outrights are converted to an API
+   security and queued for DB lookup immediately. A spread without all leg keys
+   is retained in `pending_handle` and its leg pointers are registered in
+   `unresolved_legs`.
+3. `work_db()` resolves queued `(venue, type, descriptor)` requests.
+
+Because spread work precedes new-handle work, a newly seen unresolved spread
+normally waits until at least the next timer tick to resolve legs. It waits
+longer if any outright leg has not yet received its Spark key. A spread's own
+key is not requested until every leg key is non-zero.
+
+### 5. Lookup or generation
+
+`work_db()` first queries `(ns, key)`:
+
+- Existing row: use its `rowid` as the key and invoke the callback.
+- Missing row: batch it into `insert_many_resolve_ids()`. SQLite assigns a new
+  rowid inside a transaction, the row object receives that ID, and the callback
+  runs after the transaction completes.
+
+New inserts are throttled to roughly 200 per timer pass (the current `> 200`
+check can admit 201) to avoid delaying heartbeats during startup. The queues are
+TBB concurrent queues, but all SQLite access is serialized onto the recorder's
+dispatcher thread. `check_access()` asserts this single-thread rule after the
+first work pass records the dispatcher thread ID.
+
+### 6. Final assignment and visibility
+
+The queued callback captures a copy of `MDProducerHandle` and calls
+`handle.set_key(id)` on the dispatcher thread. `set_key()` writes hot, then cold,
+then increments `security_count`. From this point:
+
+- shared-memory scans report the security;
+- `CMESecurityIndex::get_key(CME_ID)` returns the Spark key;
+- trades and RFQs can be emitted with a non-zero key;
+- resolved spreads can copy this key into their leg structures.
+
+### 7. Sunday preload is a fast path
+
+For configured symbols on Sunday, `MDP3Main::prepare_listener()` loads stored
+definitions from `securities.sqlite`. It converts them with
+`set_security_key=true`, so both the security key and spread leg keys come from
+the serialized API security. `MDProducer::add_security()` calls `set_key()`
+immediately, and no recorder lookup is required for that preloaded handle. The
+CME exchange ID is still restored into `numeric_id`, allowing the normal CME
+index to be built.
+
+## Generalized/newer pipeline in detail
+
+### 1. Topology and ownership
+
+`Run::run()` starts a detached thread named `MarketDataGateway`. On that thread,
+`run_md_gwy()` obtains the process-wide `IDGenerator`, constructs
+`MarketDataGateway`, and starts the configured providers. For each `(venue,
+source)` returned by a provider, the gateway creates an `MdSink` containing:
+
+- a venue-local `GeneralSecurityIndex`;
+- a default `MDProducer` (not wired to a `SecurityIDRecorder`); and
+- a `GeneralMarketDataListener` connecting the source to that producer/index.
+
+The source decides its callback thread. Some sources call the listener while
+starting; others own network or replay threads. The generalized listener calls
+the producer inline on that source thread. The process-wide `IDGenerator`
+serializes its own calls with a mutex, but the listener's transient
+`cc_sec_id_map` is an ordinary `unordered_map`, so each source/listener pair is
+expected to serialize security/event callbacks.
+
+| Generalized stage | Executing thread | DB call? |
+|---|---|---|
+| Build/parse domain definition | Source/adaptor thread | No |
+| `IDGenerator::get_or_add()` | Same source/adaptor thread | Yes, synchronously |
+| `GeneralMarketDataListener::on_securities()` | Same source callback thread | No in current use-given mode |
+| Copy ID to `FixedSecurity::key` and `numeric_id` | Same source callback thread | No |
+| `MDProducer::add_security()` / `set_key()` | Same source callback thread | No additional call |
+| Add `GeneralSecurityIndex` entry | Same source callback thread | No |
+
+There are two important compatibility exceptions inside the provider framework:
+
+- `OnixsGlbxSubscription::start()` ignores the supplied generalized listener
+  and starts `MDP3Main`; CME/OnixS therefore still follows the asynchronous
+  legacy flow documented above.
+- `EmumbaDeribitSubscription::start()` also ignores that listener and uses
+  `EmMDListener`, which allocates via `IDGenerator` and writes through its own
+  producer/index. Its assignment is still synchronous and pre-populated, so it
+  resembles the newer ID flow even though it does not pass through
+  `GeneralMarketDataListener`.
+
+### 2. How a new ID is constructed
+
+For a normal live generalized adapter, ID creation happens **in the adapter,
+before** `GeneralMarketDataListener::on_securities()`:
+
+```text
+logical identity = (domain venue, domain security type, adapter-chosen name)
+Spark ID         = SQLite rowid for that identity in key_ids.sqlite
+```
+
+`IDGenerator::get_or_add(venue, type, name)` formats a namespace by stripping
+the enum prefixes:
+
+```text
+VENUE_TAIFEX + SECURITY_TYPE_FUTURE -> TAIFEX.FUTURE
+```
+
+It then calls `retrieve_one(ns, name)`. If the row exists, it returns that
+row's `rowid`. If absent, it inserts `(ns, name, "")`, and SQLite assigns the
+next rowid. That integer is wrapped in `domain::SecurityID` and placed in
+`SecurityCommon::id`.
+
+The third identity component is adapter-specific, and this matters when trying
+to reproduce a mapping:
+
+| Source/adaptor family | Typical `name` sent to `IDGenerator` |
+|---|---|
+| Binance, Coinbase, Deribit, OKX and similar native/CCAPI paths | Usually `sec.desc()` / exchange instrument name |
+| Taifex | product/instrument ID string |
+| Databento | `std::to_string(msg.hd.instrument_id)`, not the human-readable description |
+| Python bridge | `exchange_security_id` (and it asserts Python supplied ID is zero for definitions) |
+| Emumba Deribit | extracted Emumba security descriptor |
+| Replay | no new allocation for a recorded definition; it reuses the recorded `SecurityCommon::id` |
+
+So “security name” alone is not a universal logical key. Reproduction requires
+the exact venue enum, exact security-type enum, and the exact adapter-specific
+name used at insertion time.
+
+### 3. What `GeneralMarketDataListener` does with that ID
+
+`on_securities()` first calls `_find_sec(sec, true)`. Its current, compile-time
+behavior is controlled by:
+
+```cpp
+const bool use_given_sec_key = true;
+```
+
+Consequently, for a newly seen incoming `domain::SecurityID` it does **not**
+call the DB. It copies `security_common.id.value()` into its transient
+`cc_sec_id_map`. `_add_future()`, `_add_option()`, `_add_spread()`, or
+`_add_spot()` then calls `_copy_security_common()`, which sets:
+
+```cpp
+to.key = incoming_id;
+to.numeric_id = incoming_id;
+```
+
+This collapses the generalized source/correlation ID and Spark shared-memory
+key into the same number. The source's text `exchange_sec_id` remains on the
+domain security but is not copied into `FixedSecurity::numeric_id` by this
+path.
+
+`_commit_security()` then:
+
+1. calls `MDProducer::add_security()` with an already non-zero key;
+2. causes `MDProducerHandle::set_key()` to run immediately during that call;
+3. inserts the handle in `GeneralSecurityIndex` under `numeric_id` (the same
+   number); and
+4. returns with the security already visible in shared memory.
+
+Because the sink's producer has no recorder, supplying `id == 0` would allocate
+the shared-memory entry but never assign or publish its key. Generalized live
+sources must therefore provide a valid non-zero ID before `on_securities()`.
+
+The listener contains an alternative branch for `use_given_sec_key == false`.
+That branch would call `IDGenerator::get_or_add(me->venue, sec.type(),
+sec.desc())` itself. It is currently disabled, and `_generate_security_key()` is
+also effectively unused. Turning the flag off is not a mechanical change: an
+adapter such as Databento allocates using numeric instrument ID while the
+listener branch would use `sec.desc()`, potentially creating a second key for
+the same instrument.
+
+There is also a spread failure edge case. `_find_sec(sec, true)` records the
+parent ID in `cc_sec_id_map` before `_add_spread()` resolves its legs. If any leg
+ID is absent, `_add_spread()` logs and returns without committing the spread. A
+later repeat of the parent definition is then classified as a duplicate and
+ignored, so definition ordering is a hard requirement in the current code.
+
+### 4. How later books, trades, and statistics find the security
+
+Every later domain event carries a `domain::SecurityID`:
+
+- `Book::security_id()`;
+- `TradeRecord::sec_id`; or
+- `SecurityMarketDataStatistics::security_id`.
+
+The listener first uses `cc_sec_id_map` to translate that event ID to the value
+stored in `GeneralSecurityIndex`, then obtains the `MDProducerHandle`. With
+`use_given_sec_key == true`, this mapping is numerically identity-to-identity,
+but it still serves as the admission check that the definition was seen.
+
+Most high-throughput adapters avoid SQLite on market-data events:
+
+- Databento allocates on the definition and caches
+  `instrument_id -> domain::SecurityID` in `sec_id_map` for books/trades.
+- Taifex keeps the resolved ID in its security-details mapper.
+- Other native subscriptions maintain comparable descriptor/ID maps.
+
+The Python bridge is a notable exception: `to_bts_security_()`,
+`to_bts_trade_()`, and `to_book_()` all call `get_sec_id_()`, which calls
+`IDGenerator::get_id(..., add_if_new=true)`. As written, that performs at least
+one SQLite `SELECT` for each converted Python definition, trade, or book. It
+returns the existing ID after the first insert, but it is still a DB call and
+takes the global `IDGenerator` mutex on every event.
+
+### 5. Persistence timing and latency
+
+The newer allocator is synchronous:
+
+- Existing security: mutex acquisition plus one SQLite `SELECT` on the caller's
+  thread.
+- New security: mutex acquisition, one `SELECT`, then one SQLite `INSERT`
+  (SQLite autocommit), also on the caller's thread.
+- Listener publication: no further DB call under the current
+  `use_given_sec_key` setting.
+
+The ID therefore exists in `key_ids.sqlite` before the adapter sends the
+definition to the listener. There is no intentional 200 ms publication delay,
+but the source callback/startup path directly pays DB and mutex latency. Bulk
+definition discovery performs one lookup and possibly one insert per security;
+`IDGenerator` does not batch those operations.
+
+WAL mode helps concurrency, while `synchronous=0` reduces fsync cost. It does
+not eliminate SQL parsing/stepping, mutex contention, page-cache misses, or
+occasional file-system work. The impact is usually a startup/definition cost
+when adapters cache the result, but it becomes hot-path latency for code such as
+the current Python bridge that resolves every event through the DB.
+
+`GeneralMarketDataListener` itself does not persist the full contract definition
+to `securities.sqlite`; that remains the separate security-cache/metadata
+persistence path described earlier.
+
+## Comparison: MDP3 recorder vs generalized allocator
+
+| Property | MDP3 / `SecurityIDRecorder` | Generalized / `IDGenerator` |
+|---|---|---|
+| Logical input | venue + type + legacy `security_desc` | venue + type + adapter-chosen name |
+| Numeric output | SQLite rowid, checked/read as 32-bit `security_key` | SQLite rowid returned as 64-bit `domain::SecurityID`, then narrowed into 32-bit shared-memory key |
+| Allocation point | After definition is copied to shared memory | Normally inside adapter before listener sees definition |
+| DB execution | Asynchronous on dispatcher timer | Synchronous on caller/source thread |
+| Existing ID cost | One deferred `SELECT` | One immediate `SELECT` per call |
+| New ID cost | Deferred, batched transaction (about 200/pass) | Immediate `SELECT` + individual autocommit `INSERT` |
+| Time until public | Usually 0–200+ ms; spreads may take extra ticks | Immediate after synchronous lookup/insert completes |
+| Feed callback blocking | Queue push only for ID work | Yes, if the adapter invokes `IDGenerator` there |
+| Spread legs | Parent waits asynchronously until all leg keys resolve by exchange ID | Definition processing requires every leg's incoming ID already exist in `cc_sec_id_map`; otherwise the spread is aborted |
+| Runtime ID relationship | Exchange ID and Spark key remain distinct | Incoming/canonical ID, `numeric_id`, index ID, and Spark key are currently the same number |
+| Persistence database | `key_ids.sqlite` | The same `key_ids.sqlite` |
+| Batching | Yes for new rows | No |
+| Failure behavior | Security has an internal handle with key 0 while normal queued work is pending; DB work does not block the feed callback | DB errors/zero results occur in the synchronous source path; a zero ID can leave an unpublishable entry, with no pending-key state machine |
+
+Neither algorithm generates a UUID or a content hash. Both ultimately use an
+opaque, database-assigned SQLite rowid. It is normally increasing and looks like
+a sequence, but this schema does not request SQLite `AUTOINCREMENT`. The tuple
+used to *look up* the row is logical; the resulting number is not derivable from
+that tuple.
+
+## Can another system reconstruct the same keys?
+
+Not from `(venue, type, name)` alone. Another system can reconstruct the
+**logical lookup tuple**, but it cannot calculate the numeric Spark key because
+the key depends on the historical insertion order of every row in
+`key_ids.sqlite`.
+
+For example, two empty systems can insert the exact same `GLBX.FUTURE / ESZ6`
+row and receive different IDs if other securities were inserted before it on
+one system. They are sequential opaque IDs, not deterministic hashes and not
+UUIDs.
+
+Ways to preserve cross-system identity are:
+
+1. Copy/replicate `key_ids.sqlite` (including rowids) and keep descriptor rules
+   identical. This preserves existing numeric keys but requires coordinated
+   allocation for new ones.
+2. Export an explicit mapping of `(namespace, adapter key) -> Spark key`, then
+   import rows with their original rowids before either system allocates new
+   securities.
+3. Treat a stable external identity (venue + type + exchange instrument ID, or
+   another canonical instrument identifier) as the cross-system key and carry a
+   translation table to each system's local Spark key.
+4. Introduce a deterministic ID scheme only as a versioned migration. A hash can
+   be computed independently, but collision handling, descriptor
+   canonicalization, aliases/renames, the existing 32-bit ABI, and compatibility
+   with orders/recordings/databases all need explicit design.
+
+Copying only `securities.sqlite` is insufficient as an allocator strategy. It
+contains security blobs keyed by already-assigned IDs, but `key_ids.sqlite` is
+the mapping used to find or allocate those IDs. Conversely, copying only
+`key_ids.sqlite` preserves the numbers but not all contract metadata.
+
+## Other assignment paths in `sparkd`
+
+The two main pipelines reduce to four ways a producer handle can acquire a key:
+
+1. **Already keyed input.** `MDProducer::add_security()` sees a non-zero
+   `FixedSecurity::key` and calls `set_key()` immediately. Generalized feeds,
+   Sunday preload, relay playback, and other replay paths use this mechanism.
+2. **Recorder-backed live input.** The input key is zero and the producer owns a
+   `SecurityIDRecorder`; `ensure_key()` queues asynchronous assignment. CME
+   MDP3 and legacy OnixS ICE use this mechanism. ICE uses `marketId` as
+   `numeric_id` and otherwise follows the same recorder/index design.
+3. **Service assignment.** `SyntheticSecurityService` calls
+   `SecurityIDRecorder::assign_key()` directly on a background dispatcher. The
+   callback receives a copied `api::Security` with its top-level `id` set, then
+   publishes it to synthetic subscribers. It uses the same `key_ids.sqlite`
+   rowid allocator.
+4. **Unkeyed input with no recorder.** The entry is allocated with key zero and
+   never becomes public. This is not a valid production assignment path, but it
+   is the failure mode if a generalized source omits its ID.
+
+Relay and replay deserve care when reasoning about persistence:
+
+- The generalized `MDReplayer` forwards the recorded domain security ID and
+  emits later books/statistics with the recorded `sec_key`, so the listener's
+  current use-given mode preserves the recording's numeric identity.
+- The legacy relay producer converts a recorded `api::Security` with
+  `set_security_key=true`, so its shared-memory publication also preserves the
+  embedded key.
+- The legacy relay recorder additionally calls `bulk_insert(..., "REPLAY: ")`
+  for logical mappings. Those rows use a `REPLAY: ` namespace prefix; this is a
+  separate mapping population step, not a deterministic derivation of the key.
+
+## Operational implications
+
+- Back up `key_ids.sqlite` and `securities.sqlite` together if numeric ID and
+  definition continuity matter.
+- Do not delete/rebuild `key_ids.sqlite` on one host and assume IDs will match
+  another host, even when all instruments are identical.
+- Before moving a feed between adapters, compare the exact `name` each adapter
+  supplies to `IDGenerator`. Matching venue/type is insufficient.
+- Cache generated IDs in the source after definition processing. Avoid calling
+  `IDGenerator` from book/trade hot paths; the Python bridge currently violates
+  this guideline.
+- Keep generated rowids below the 32-bit shared-memory ceiling until the
+  `security_key` ABI is widened or explicit bounds checking is added to the
+  generalized path.
+- Ensure spread legs are announced before generalized spread parents.
+- Treat `synchronous=0` as a durability decision. A copied DB should be taken
+  with SQLite-aware backup/checkpoint handling rather than by casually copying
+  active WAL files.
+
+Useful inspection queries (run against the configured DB path) are:
+
+```sql
+SELECT rowid AS spark_key, ns, key
+FROM store
+ORDER BY rowid;
+
+SELECT rowid AS spark_key, ns, key
+FROM store
+WHERE ns = 'GLBX.FUTURE' AND key = '<exact-adapter-key>';
+```
+
+## Source map
+
+- [`SecurityIDRecorder.cpp`](../src/lib_spark/spark/md/SecurityIDRecorder.cpp):
+  legacy queues, 200 ms work ordering, logical row construction, DB callbacks,
+  and spread-leg resolution.
+- [`IDGenerator.cpp`](../src/lib_spark/spark/persistence/IDGenerator.cpp):
+  synchronous generalized lookup/allocation and process-wide mutex.
+- [`SqliteStore.cpp`](../src/lib_spark/spark/persistence/SqliteStore.cpp): DB
+  location, schema, WAL/synchronous pragmas, individual inserts, and batch
+  inserts.
+- [`MDProducer.cpp`](../src/lib_spark/spark/md/MDProducer.cpp) and
+  [`MDProducerHandle.cpp`](../src/lib_spark/spark/md/MDProducerHandle.cpp):
+  shared-memory allocation, recorder handoff, and ordered publication.
+- [`FixedSecurity.h`](../src/lib_spark/spark/md/Shm/FixedSecurity.h) and
+  [`MDStructure.h`](../src/lib_spark/spark/md/Shm/MDStructure.h): identifier
+  widths and hot/cold storage fields.
+- [`MDP3Main.cpp`](../src/app_sparkd/sparkd/md/platforms/mdp3_onixs/MDP3Main.cpp)
+  and
+  [`MDP3Listener.h`](../src/app_sparkd/sparkd/md/platforms/mdp3_onixs/MDP3Listener.h):
+  MDP3 construction, definition callbacks, CME ID extraction, and spread legs.
+- [`MDP3Listener.cpp`](../src/app_sparkd/sparkd/md/platforms/mdp3_onixs/MDP3Listener.cpp):
+  producer/index insertion order.
+- [`OnixsGlbxSubscription.cpp`](../src/app_sparkd/sparkd/md/glbx/OnixsGlbxSubscription.cpp):
+  current dedicated MDP3 dispatcher-thread ownership.
+- [`MarketDataGateway.cpp`](../src/app_sparkd/sparkd/md/MarketDataGateway.cpp)
+  and
+  [`GeneralMarketDataListener.cpp`](../src/lib_spark/spark/md/GeneralMarketDataListener.cpp):
+  generalized source/sink topology, incoming-ID mapping, fixed-security
+  conversion, and publication.
+- [`DatabentoDataHandler.cpp`](../src/app_sparkd/sparkd/md/databento/DatabentoDataHandler.cpp),
+  [`TaifexDataProcessors.h`](../src/app_sparkd/sparkd/md/taifex/TaifexDataProcessors.h),
+  and
+  [`PyMarketDataSubscription.cpp`](../src/app_sparkd/sparkd/md/PyMarketDataSubscription.cpp):
+  representative adapter-side allocation and caching behavior.
+- [`SecurityDB.cpp`](../src/lib_spark/spark/md/SecurityDB.cpp) and
+  [`SecurityCache.cpp`](../src/lib_spark/spark/md/SecurityCache.cpp): separate
+  persistence of full security definitions.
+- [`SecurityIndex.h`](../src/lib_spark/spark/md/SecurityIndex.h),
+  [`MBOServiceServer.cpp`](../src/lib_spark/spark/md/MBOServiceServer.cpp), and
+  [`MDConsumer.cpp`](../src/lib_spark/spark/md/MDConsumer.cpp): exchange-index
+  translation followed by Spark-keyed market-data consumption and MBO access.
+- [`OrderFactory.cpp`](../src/lib_spark/spark/orderman/order_factory/OrderFactory.cpp),
+  [`FillStore.cpp`](../src/lib_spark/spark/orderman/actors/FillStore.cpp), and
+  [`PositionMap.cpp`](../src/app_sparkd/sparkd/position/PositionMap.cpp):
+  representative downstream use of Spark security keys.
+- [`MDReplayer.cpp`](../src/app_sparkd/sparkd/md/recording/MDReplayer.cpp) and
+  [`RelayClient.cpp`](../src/lib_spark/spark/md/relay/RelayClient.cpp): recorded
+  ID reuse.

docker/images/bluetradingsystems/linux_dotnet7/Dockerfile

@@ -0,0 +1,38 @@
+FROM ubuntu:22.04
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y pkg-config
+RUN apt-get update && apt-get install -y locales
+RUN apt-get update && apt-get install -y ca-certificates
+RUN apt-get update && apt-get install -y libssh2-1-dev
+RUN apt-get update && apt-get install -y software-properties-common
+RUN apt-get update && apt-get install -y sudo
+
+# GCC
+ARG gcc_major=13
+RUN add-apt-repository ppa:ubuntu-toolchain-r/test \
+  && apt-get update \
+  && apt-get install -y g++-$gcc_major
+
+RUN apt-get update \
+  && apt-get install -y dotnet7
+
+RUN locale-gen en_US.UTF-8
+
+ARG docker_user="bts"
+ARG docker_uid="1000"
+ARG docker_pass="bts"
+
+RUN \
+  groupadd -g "$docker_uid" "$docker_user" \
+  && useradd \
+  -m \
+  -u "$docker_uid" \
+  -g "$docker_uid" \
+  -G sudo \
+  --password "$(openssl passwd -1 "$docker_pass")" \
+  "$docker_user"
+
+USER bts
+WORKDIR /home/bts

docker/images/bluetradingsystems/linux_dotnet8/Dockerfile

@@ -0,0 +1,44 @@
+FROM ubuntu:22.04
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y pkg-config
+RUN apt-get update && apt-get install -y locales
+RUN apt-get update && apt-get install -y ca-certificates
+RUN apt-get update && apt-get install -y libssh2-1-dev
+RUN apt-get update && apt-get install -y software-properties-common
+RUN apt-get update && apt-get install -y sudo
+RUN apt-get update && apt-get install -y tzdata
+
+# GCC
+ARG gcc_major=13
+RUN add-apt-repository ppa:ubuntu-toolchain-r/test \
+  && apt-get update \
+  && apt-get install -y g++-$gcc_major
+
+RUN apt-get update \
+  && apt-get install -y dotnet8
+
+RUN apt-get update && apt-get install -y gdb
+RUN apt-get update && apt-get install -y fish
+RUN apt-get update && apt-get install -y vim
+RUN apt-get update && apt-get install -y less
+
+RUN locale-gen en_US.UTF-8
+
+ARG docker_user="bts"
+ARG docker_uid="1000"
+ARG docker_pass="bts"
+
+RUN \
+  groupadd -g "$docker_uid" "$docker_user" \
+  && useradd \
+  -m \
+  -u "$docker_uid" \
+  -g "$docker_uid" \
+  -G sudo \
+  --password "$(openssl passwd -1 "$docker_pass")" \
+  "$docker_user"
+
+USER bts
+WORKDIR /home/bts

docker/images/bluetradingsystems/linux_dotnet8_dev/Dockerfile

@@ -0,0 +1,150 @@
+FROM ubuntu:22.04
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+# Note installations that take a while (more than 10s)
+
+RUN apt-get update
+RUN apt-get install -y ca-certificates
+RUN apt-get install -y ccache
+RUN apt-get install -y curl
+RUN apt-get install -y fish
+RUN apt-get install -y gdb
+# git-all: ~250s
+RUN apt-get install -y git-all
+RUN apt-get install -y gnupg
+# liblttng-ust-dev: ~30s
+RUN apt-get install -y liblttng-ust-dev
+RUN apt-get install -y libssh2-1-dev
+RUN apt-get install -y locales
+RUN apt-get install -y ninja-build
+# openssh-server: ~40s
+RUN apt-get install -y openssh-server
+RUN apt-get install -y pkg-config
+RUN apt-get install -y software-properties-common
+RUN apt-get install -y sudo
+RUN apt-get install -y tzdata
+RUN apt-get install -y vim
+RUN apt-get install -y zip
+
+# Python: ~30s
+RUN apt-get install -y \
+   python3-pip \
+   python3-venv \
+   && python3 -m pip install --upgrade pip
+
+# GCC
+ARG gcc_major=13
+RUN \
+   add-apt-repository ppa:ubuntu-toolchain-r/test \
+   && apt-get update \
+   && apt-get install -y g++-$gcc_major
+
+# Clang
+ARG clang_major=17
+RUN \
+   curl -fsSL https://apt.llvm.org/llvm-snapshot.gpg.key 2> /dev/null \
+   | gpg --dearmor - \
+   | tee /usr/share/keyrings/llvm-snapshot.gpg > /dev/null \
+   && echo "deb [signed-by=/usr/share/keyrings/llvm-snapshot.gpg] http://apt.llvm.org/$(lsb_release -cs)/ llvm-toolchain-$(lsb_release -cs)-$clang_major main" \
+   | tee -a "/etc/apt/sources.list.d/llvm.list" \
+   && apt-get update \
+   && apt-get install -y \
+   clang-$clang_major \
+   clang-format-$clang_major \
+   clangd-$clang_major
+
+# CMake
+RUN set -eux \
+  && apt-get update \
+  && apt-get install -y --no-install-recommends ca-certificates curl gpg \
+  && curl -fsSL https://apt.kitware.com/keys/kitware-archive-latest.asc \
+    | gpg --dearmor -o /usr/share/keyrings/kitware-archive-keyring.gpg \
+  && echo "deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ $(lsb_release -cs) main" \
+    > /etc/apt/sources.list.d/kitware.list \
+  && apt-get update \
+  && apt-get install -y --no-install-recommends cmake \
+  && rm -rf /var/lib/apt/lists/*
+
+# Dotnet
+RUN apt-get update && apt-get install -y dotnet8
+
+# Node
+ARG node_major=18
+RUN mkdir -p /etc/apt/keyrings \
+   && curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key \
+   | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg \
+   && echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$node_major.x nodistro main" \
+   | tee /etc/apt/sources.list.d/nodesource.list \
+   && apt-get update \
+   && apt-get install -y nodejs
+
+# Emumba (deps)
+RUN apt-get update && apt-get -y install rapidjson-dev
+# Emumba
+ARG EMUMBA_DERIBIT_CONNECTOR_DEB_URL="https://api.bitbucket.org/2.0/repositories/bluetradesys/spark/downloads/emumba-deribit-connector-3.3.1-Linux.LICENSE_DISABLED.deb"
+RUN --mount=type=secret,id=bitbucket_access_token \
+  set -eux \
+    && apt-get update \
+    && TOKEN="$(cat /run/secrets/bitbucket_access_token)" \
+    && curl -fL -H "Authorization: Bearer ${TOKEN}" $EMUMBA_DERIBIT_CONNECTOR_DEB_URL -o /tmp/emumba-deribit-connector.deb \
+    && apt-get install -y /tmp/emumba-deribit-connector.deb \
+    && rm -f /tmp/emumba-deribit-connector.deb
+
+# Pcap
+RUN apt-get update && apt-get install -y libpcap0.8-dev
+
+# Databento (deps)
+RUN apt-get update && apt-get -y install libzstd-dev
+
+# Rakurai
+ARG RAKURAI_DEB_URL="https://api.bitbucket.org/2.0/repositories/bluetradesys/spark/downloads/rakurai-dex-connector_0.0.5_amd64.deb"
+RUN --mount=type=secret,id=bitbucket_access_token \
+  set -eux \
+    && apt-get update \
+    && TOKEN="$(cat /run/secrets/bitbucket_access_token)" \
+    && curl -fL -H "Authorization: Bearer ${TOKEN}" $RAKURAI_DEB_URL -o /tmp/rakurai.deb \
+    # Need --force-overwrite because rakuirai and emumba-deribit-connector both include the same
+    # spdlog headers.
+    && apt-get install -y -o Dpkg::Options::="--force-overwrite" /tmp/rakurai.deb \
+    && rm -f /tmp/rakuirai.deb
+
+# Docker in Docker
+RUN apt-get update && apt-get install -y \
+    docker.io \
+    docker-compose \
+    docker-compose-v2
+
+# Set up default executables (update-alternatives)
+RUN \
+   update-alternatives --install /usr/bin/clang clang /usr/bin/clang-$clang_major 100; \
+   update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-$clang_major 100; \
+   update-alternatives --install /usr/bin/clang-format clang-format /usr/bin/clang-format-$clang_major 100; \
+   update-alternatives --install /usr/bin/clangd clangd /usr/bin/clangd-$clang_major 100; \
+   update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-$gcc_major 100; \
+   update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-$gcc_major 100
+
+# Add compiler symlinks for ccache 
+RUN \
+   ln -s /usr/bin/ccache /usr/local/bin/clang; \
+   ln -s /usr/bin/ccache /usr/local/bin/clang++; \
+   ln -s /usr/bin/ccache /usr/local/bin/clang-$clang_major; \
+   ln -s /usr/bin/ccache /usr/local/bin/clang++-$clang_major; \
+   ln -s /usr/bin/ccache /usr/local/bin/gcc; \
+   ln -s /usr/bin/ccache /usr/local/bin/g++
+
+RUN locale-gen en_US.UTF-8
+
+ARG docker_user="bts"
+ARG docker_uid="1000"
+ARG docker_pass="bts"
+
+RUN \
+   groupadd -g "$docker_uid" "$docker_user" \
+   && useradd \
+   -m \
+   -u "$docker_uid" \
+   -g "$docker_uid" \
+   -G sudo \
+   --password "$(openssl passwd -1 "$docker_pass")" \
+   "$docker_user"

docker/images/bluetradingsystems/linux_shell/Dockerfile

@@ -0,0 +1,11 @@
+FROM ubuntu:24.04
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y \
+  fish \
+  less \
+  vim
+
+USER bts
+WORKDIR /home/bts

docker/sparkd/dev/Dockerfile

@@ -1,74 +1,65 @@
-FROM ubuntu:22.04
+FROM ubuntu:latest
 
 ARG DEBIAN_FRONTEND=noninteractive
+ENV TZ=America/New_York
 
-# Note installations that take a while (more than 10s)
+# light deps (should be quick to download/install)
+RUN apt-get update && apt-get install -y \
+    ca-certificates \
+    curl \
+    gnupg \
+    liblttng-ust-dev \
+    libpcap0.8-dev \
+    locales \
+    ninja-build \
+    software-properties-common \
+    sqlite3 \
+    tzdata
 
-RUN apt-get update
-RUN apt-get install -y ca-certificates
-RUN apt-get install -y ccache
-RUN apt-get install -y curl
-RUN apt-get install -y fish
-RUN apt-get install -y gdb
-# git-all: ~250s
-RUN apt-get install -y git-all
-RUN apt-get install -y gnupg
-# liblttng-ust-dev: ~30s
-RUN apt-get install -y liblttng-ust-dev
-RUN apt-get install -y libssh2-1-dev
-RUN apt-get install -y locales
-RUN apt-get install -y ninja-build
-# openssh-server: ~40s
-RUN apt-get install -y openssh-server
-RUN apt-get install -y pkg-config
-RUN apt-get install -y software-properties-common
-RUN apt-get install -y sudo
-RUN apt-get install -y tzdata
-RUN apt-get install -y vim
-RUN apt-get install -y zip
+# clang
+RUN apt-get update && apt-get install -y \
+    clang-13 \
+    clang-format-13 \
+    clangd-13 \
+    clang-15 \
+    clang-format-15 \
+    clangd-15
 
-# Python: ~30s
-RUN apt-get install -y \
+# g++
+RUN apt-get update && apt-get install -y \
+    g++-11 \
+    g++-12
+
+# python
+RUN apt-get update && apt-get install -y \
     python3-pip \
     python3-venv \
     && python3 -m pip install --upgrade pip
 
-# GCC
-ARG gcc_major=13
-RUN add-apt-repository ppa:ubuntu-toolchain-r/test \
-    && apt-get update \
-    && apt-get install -y g++-$gcc_major
+# dotnet
+RUN apt-get update && apt-get install -y \
+    dotnet7
 
-# Clang
-ARG clang_major=17
-RUN curl -fsSL https://apt.llvm.org/llvm-snapshot.gpg.key 2> /dev/null \
-    | gpg --dearmor - \
-    | tee /usr/share/keyrings/llvm-snapshot.gpg > /dev/null \
-    && echo "deb [signed-by=/usr/share/keyrings/llvm-snapshot.gpg] http://apt.llvm.org/$(lsb_release -cs)/ llvm-toolchain-$(lsb_release -cs)-$clang_major main" \
-    | tee -a "/etc/apt/sources.list.d/llvm.list" \
-    && apt-get update \
-    && apt-get install -y \
-    clang-$clang_major \
-    clang-format-$clang_major \
-    clangd-$clang_major
+# ssh
+RUN apt-get update && apt-get install -y \
+    libssh2-1-dev \
+    openssh-server
 
-# CMake
-RUN curl -fsSL https://apt.kitware.com/keys/kitware-archive-latest.asc 2> /dev/null \
+# cmake
+RUN \
+    curl -fsSL https://apt.kitware.com/keys/kitware-archive-latest.asc 2> /dev/null \
     | gpg --dearmor - \
     | tee /usr/share/keyrings/kitware-archive-keyring.gpg > /dev/null \
     && echo "deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ $(lsb_release -cs) main" \
     | tee /etc/apt/sources.list.d/kitware.list > /dev/null \
     && apt-get update \
+    && rm /usr/share/keyrings/kitware-archive-keyring.gpg \
+    && apt-get install -y kitware-archive-keyring \
+    && echo "deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ $(lsb_release -cs)-rc main" \
+    | tee -a /etc/apt/sources.list.d/kitware.list >/dev/null \
     && apt-get install -y cmake
 
-# Dotnet
-RUN curl -fsSLO "https://packages.microsoft.com/config/ubuntu/$(lsb_release -rs)/packages-microsoft-prod.deb" \
-    && dpkg -i packages-microsoft-prod.deb \
-    && rm packages-microsoft-prod.deb \
-    && apt-get update \
-    && apt-get install -y dotnet-sdk-8.0
-
-# Node
+# node
 ARG node_major=18
 RUN mkdir -p /etc/apt/keyrings \
     && curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key \
@@ -78,35 +69,60 @@ RUN mkdir -p /etc/apt/keyrings \
     && apt-get update \
     && apt-get install -y nodejs
 
-# Emumba deps
+# ccache is done here so that ccache sees clang++ installed, not clang-10
+RUN apt-get update && apt-get install -y \
+    ccache 
+
+# emumba (light deps)
 RUN apt-get update && apt-get install -y \
     build-essential \
     doxygen \
+    python3-sphinx \
     graphviz \
     libgtest-dev \
     libssl-dev \
-    pkg-config \
-    python3-sphinx \
     rapidjson-dev \
-    zlib1g-dev
+    zlib1g-dev \
+    pkg-config
 
-# Set up default executables (update-alternatives)
-RUN update-alternatives --install /usr/bin/clang clang /usr/bin/clang-$clang_major 100; \
-    update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-$clang_major 100; \
-    update-alternatives --install /usr/bin/clang-format clang-format /usr/bin/clang-format-$clang_major 100; \
-    update-alternatives --install /usr/bin/clangd clangd /usr/bin/clangd-$clang_major 100; \
-    update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-$gcc_major 100; \
-    update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-$gcc_major 100
+# emumba (boost)
+RUN apt-get update && apt-get install -y \
+    libboost-filesystem-dev \
+    libboost-program-options-dev \
+    libboost-test-dev \
+    libboost-date-time-dev
+
+# dev utils
+RUN apt-get update && apt-get install -y \ 
+    fish \
+    git-all \
+    sudo \
+    vim \
+    wget
+
+# set up default executables (update-alternatives)
+RUN \
+    update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-13 100; \
+    update-alternatives --install /usr/bin/clang clang /usr/bin/clang-13 100; \
+    update-alternatives --install /usr/bin/clang-format clang-format /usr/bin/clang-format-13 100; \
+    update-alternatives --install /usr/bin/clangd clangd /usr/bin/clangd-13 100; \
+    update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-11 100; \
+    update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 100
 
 # Add compiler symlinks for ccache 
-RUN ln -s /usr/bin/ccache /usr/local/bin/clang; \
+RUN \
+    ln -s /usr/bin/ccache /usr/local/bin/clang; \
     ln -s /usr/bin/ccache /usr/local/bin/clang++; \
-    ln -s /usr/bin/ccache /usr/local/bin/clang-$clang_major; \
-    ln -s /usr/bin/ccache /usr/local/bin/clang++-$clang_major; \
+    ln -s /usr/bin/ccache /usr/local/bin/clang-13; \
+    ln -s /usr/bin/ccache /usr/local/bin/clang++-13; \
+    ln -s /usr/bin/ccache /usr/local/bin/clang-15; \
+    ln -s /usr/bin/ccache /usr/local/bin/clang++-15; \
     ln -s /usr/bin/ccache /usr/local/bin/gcc; \
     ln -s /usr/bin/ccache /usr/local/bin/g++; \
-    ln -s /usr/bin/ccache /usr/local/bin/gcc-$gcc_major; \
-    ln -s /usr/bin/ccache /usr/local/bin/g++-$gcc_major
+    ln -s /usr/bin/ccache /usr/local/bin/gcc-11; \
+    ln -s /usr/bin/ccache /usr/local/bin/g++-11; \
+    ln -s /usr/bin/ccache /usr/local/bin/gcc-12; \
+    ln -s /usr/bin/ccache /usr/local/bin/g++-12
 
 RUN locale-gen en_US.UTF-8
 
@@ -114,7 +130,8 @@ ARG docker_user="bts"
 ARG docker_uid="1000"
 ARG docker_pass="bts"
 
-RUN groupadd -g "$docker_uid" "$docker_user" \
+RUN \
+    groupadd -g "$docker_uid" "$docker_user" \
     && useradd \
     -m \
     -u "$docker_uid" \

global.json

@@ -0,0 +1,6 @@
+{
+  "sdk": {
+    "version": "6.0.200",
+    "rollForward": "latestMajor"
+  }
+}

playground-1.mongodb.js

@@ -1,45 +0,0 @@
-/* global use, db */
-// MongoDB Playground
-// To disable this template go to Settings | MongoDB | Use Default Template For Playground.
-// Make sure you are connected to enable completions and to be able to run a playground.
-// Use Ctrl+Space inside a snippet or a string literal to trigger completions.
-// The result of the last command run in a playground is shown on the results panel.
-// By default the first 20 documents will be returned with a cursor.
-// Use 'console.log()' to print to the debug output.
-// For more documentation on playgrounds please refer to
-// https://www.mongodb.com/docs/mongodb-vscode/playgrounds/
-
-// Select the database to use.
-use('mongodbVSCodePlaygroundDB');
-
-// Insert a few documents into the sales collection.
-db.getCollection('sales').insertMany([
-    { 'item': 'abc', 'price': 10, 'quantity': 2, 'date': new Date('2014-03-01T08:00:00Z') },
-    { 'item': 'jkl', 'price': 20, 'quantity': 1, 'date': new Date('2014-03-01T09:00:00Z') },
-    { 'item': 'xyz', 'price': 5, 'quantity': 10, 'date': new Date('2014-03-15T09:00:00Z') },
-    { 'item': 'xyz', 'price': 5, 'quantity': 20, 'date': new Date('2014-04-04T11:21:39.736Z') },
-    { 'item': 'abc', 'price': 10, 'quantity': 10, 'date': new Date('2014-04-04T21:23:13.331Z') },
-    { 'item': 'def', 'price': 7.5, 'quantity': 5, 'date': new Date('2015-06-04T05:08:13Z') },
-    { 'item': 'def', 'price': 7.5, 'quantity': 10, 'date': new Date('2015-09-10T08:43:00Z') },
-    { 'item': 'abc', 'price': 10, 'quantity': 5, 'date': new Date('2016-02-06T20:20:13Z') },
-]);
-
-// Run a find command to view items sold on April 4th, 2014.
-const salesOnApril4th = db.getCollection('sales').find({
-    date: { $gte: new Date('2014-04-04'), $lt: new Date('2014-04-05') }
-}).count();
-
-// Print a message to the output window.
-console.log(`${salesOnApril4th} sales occurred in 2014.`);
-
-// Here we run an aggregation and open a cursor to the results.
-// Use '.toArray()' to exhaust the cursor to return the whole result set.
-// You can use '.hasNext()/.next()' to iterate through the cursor page by page.
-db.getCollection('sales').aggregate([
-    // Find all of the sales that occurred in 2014.
-    { $match: { date: { $gte: new Date('2014-01-01'), $lt: new Date('2015-01-01') } } },
-    // Group the total sales for each product.
-    { $group: { _id: '$item', totalSaleAmount: { $sum: { $multiply: ['$price', '$quantity'] } } } }
-]);
-
-

requirements.txt

@@ -1,22 +1,42 @@
 astroid==2.7.3
 autopep8==1.5.7
+blinker==1.9.0
+boto3==1.37.9
+botocore==1.37.9
 certifi==2023.5.7
 charset-normalizer==3.1.0
+click==8.1.8
 colorama==0.4.4
+Flask==3.1.0
 idna==3.4
 isort==5.9.3
+itsdangerous==2.2.0
+Jinja2==3.1.6
+jmespath==1.0.1
 lazy-object-proxy==1.6.0
+MarkupSafe==3.0.2
 mccabe==0.6.1
+numpy==2.2.6
 platformdirs==2.3.0
-protobuf==4.21.12
+protobuf==6.33.4
 pybars3==0.9.7
+pybind11==3.0.1
+pybind11-stubgen==2.5.5
+pybit==5.11.0
 pycodestyle==2.7.0
 pycparser==2.20
+pycryptodome==3.23.0
 pylint==2.10.2
 PyMeta3==0.5.1
+python-dateutil==2.9.0.post0
+python-dotenv==1.0.1
 requests==2.31.0
+s3transfer==0.11.4
+six==1.17.0
 termcolor==1.1.0
 toml==0.10.2
 urllib3==2.0.3
+websocket-client==1.8.0
+Werkzeug==3.1.3
 wrapt==1.12.1
 yapf==0.31.0

spark_client.sln

@@ -1,103 +1,306 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
+
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
-VisualStudioVersion = 17.3.32922.545
-MinimumVisualStudioVersion = 15.0.26124.0
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_api", "src\client\spark_api\spark_api.csproj", "{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}"
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{827E0CD3-B72D-47B6-A68D-7590B98EB39B}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Spark", "src\client\spark\Spark.csproj", "{9A4D4D07-1AB6-4B2B-B111-A4F34D6C267E}"
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "cs", "cs", "{D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Spark.Console", "src\client\Spark.Console\Spark.Console.csproj", "{387566C6-C6F6-412C-A30C-9855BBCB4816}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Core", "src\cs\Bts.Spark.Core\Bts.Spark.Core.csproj", "{684863A1-3396-4D31-A731-C0725CF07F4E}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_core", "src\client\spark_core\spark_core.csproj", "{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Api", "src\cs\Bts.Spark.Api\Bts.Spark.Api.csproj", "{45292808-4EF3-4D4A-B3F5-B75C42EE5870}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_sdk", "src\client\spark_sdk\spark_sdk.csproj", "{6963C314-83C4-4667-B0D0-C2F7AE208C29}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Extensions.Hosting", "src\cs\Bts.Extensions.Hosting\Bts.Extensions.Hosting.csproj", "{AA57F8D9-7BD6-4161-881B-AD2CEF9A30F6}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_test", "src\client\spark_test\spark_test.csproj", "{ECD78CC5-138F-4809-A764-2358C2AC2E82}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.IO.Compression", "src\cs\Bts.IO.Compression\Bts.IO.Compression.csproj", "{28A26DF7-5F7A-43A2-A548-B55FEBCC3958}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_websocket", "src\client\spark_websocket\spark_websocket.csproj", "{3201359D-C071-4089-9EDE-B04D759F1508}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Net", "src\cs\Bts.Net\Bts.Net.csproj", "{7543386A-5EBA-4AF0-9E0F-35657B58557D}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_api_server", "src\client\spark_api_server\spark_api_server.csproj", "{2B8C5D01-FF78-4BFA-B332-5E430586DAF9}"
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "DataStreamSuite", "DataStreamSuite", "{60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PubSub", "src\DataStreamSuite\PubSub\PubSub.csproj", "{C13A5ABD-F739-4BE8-A2FE-511E989A5B43}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStreamCore", "src\DataStreamSuite\DataStreamCore\DataStreamCore.csproj", "{F7C6F079-67BA-4899-9B43-D3F8C121D264}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ArithmeticExpressions", "src\DataStreamSuite\ArithmeticExpressions\ArithmeticExpressions.csproj", "{E60C119D-2919-4E2F-9D39-90DB1A8FF9A7}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BaseUtilities", "src\DataStreamSuite\BaseUtilities\BaseUtilities.csproj", "{ECBAA198-EC93-4174-8156-BDA5F5E95042}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BooleanExpressions", "src\DataStreamSuite\BooleanExpressions\BooleanExpressions.csproj", "{F54AE5C0-2ECA-4151-82E6-0D7EFE88FF40}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.ColumnExpressions", "src\DataStreamSuite\Bts.ColumnExpressions\Bts.ColumnExpressions.csproj", "{A898C6C3-F134-4AF0-AFB3-3834C58CC0D7}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.ColumnSortExpressions", "src\DataStreamSuite\Bts.ColumnSortExpressions\Bts.ColumnSortExpressions.csproj", "{1E296FB3-D185-4A95-A1EB-AA5B37B85C60}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStreamExpressions", "src\DataStreamSuite\DataStreamExpressions\DataStreamExpressions.csproj", "{B6070F41-8759-448B-B56D-A7D15D489569}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStream", "src\DataStreamSuite\DataStream\DataStream.csproj", "{B2D721AB-920C-4CD6-8DBF-6778A115A449}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharedStreams", "src\DataStreamSuite\SharedStreams\SharedStreams.csproj", "{38EE36C6-892C-4C94-8BB0-1ACB164E1F20}"
+EndProject
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+		{B6070F41-8759-448B-B56D-A7D15D489569}.Debug|x86.Build.0 = Debug|Any CPU
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+		{B6070F41-8759-448B-B56D-A7D15D489569}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B6070F41-8759-448B-B56D-A7D15D489569}.Release|x64.ActiveCfg = Release|Any CPU
+		{B6070F41-8759-448B-B56D-A7D15D489569}.Release|x64.Build.0 = Release|Any CPU
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+		{B6070F41-8759-448B-B56D-A7D15D489569}.Release|x86.Build.0 = Release|Any CPU
+		{B2D721AB-920C-4CD6-8DBF-6778A115A449}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B2D721AB-920C-4CD6-8DBF-6778A115A449}.Debug|Any CPU.Build.0 = Debug|Any CPU
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+		{B2D721AB-920C-4CD6-8DBF-6778A115A449}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B2D721AB-920C-4CD6-8DBF-6778A115A449}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B2D721AB-920C-4CD6-8DBF-6778A115A449}.Release|x64.ActiveCfg = Release|Any CPU
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+		{B2D721AB-920C-4CD6-8DBF-6778A115A449}.Release|x86.Build.0 = Release|Any CPU
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+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}.Release|x86.Build.0 = Release|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Debug|Any CPU.ActiveCfg = Debug|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Debug|Any CPU.Build.0 = Debug|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Debug|x64.ActiveCfg = Debug|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Debug|x64.Build.0 = Debug|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Debug|x86.ActiveCfg = Debug|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Debug|x86.Build.0 = Debug|x64
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+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Release|Any CPU.Build.0 = Release|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Release|x64.ActiveCfg = Release|x64
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+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Release|x86.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {422D1620-0166-4C26-9A81-CA8A2EB1AB58}
-	EndGlobalSection
-	GlobalSection(Performance) = preSolution
-		HasPerformanceSessions = true
+	GlobalSection(NestedProjects) = preSolution
+		{D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
+		{684863A1-3396-4D31-A731-C0725CF07F4E} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
+		{45292808-4EF3-4D4A-B3F5-B75C42EE5870} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
+		{AA57F8D9-7BD6-4161-881B-AD2CEF9A30F6} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
+		{28A26DF7-5F7A-43A2-A548-B55FEBCC3958} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
+		{7543386A-5EBA-4AF0-9E0F-35657B58557D} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
+		{60E0D592-FFB3-0D0A-C4AA-E88919B48F9D} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
+		{C13A5ABD-F739-4BE8-A2FE-511E989A5B43} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{F7C6F079-67BA-4899-9B43-D3F8C121D264} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{E60C119D-2919-4E2F-9D39-90DB1A8FF9A7} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{ECBAA198-EC93-4174-8156-BDA5F5E95042} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{F54AE5C0-2ECA-4151-82E6-0D7EFE88FF40} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{A898C6C3-F134-4AF0-AFB3-3834C58CC0D7} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{1E296FB3-D185-4A95-A1EB-AA5B37B85C60} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{B6070F41-8759-448B-B56D-A7D15D489569} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{B2D721AB-920C-4CD6-8DBF-6778A115A449} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{38EE36C6-892C-4C94-8BB0-1ACB164E1F20} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
+		{42C014A0-00C5-0620-8552-38912E891A7F} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+		{D432F3E9-3D2F-4623-B7B9-CEBA6701FFC3} = {42C014A0-00C5-0620-8552-38912E891A7F}
+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
 	EndGlobalSection
 EndGlobal

src/DataStreamSuite/ArithmeticExpressions/ArithmeticExpressionGrammar.y

@@ -8,7 +8,6 @@
    public int Integer;
    public double Real;
    public string Identifier;
-   public DateTime DateTime; 
    public ImmutableList<IArithmeticExpression> Arguments;
    public ImmutableList<Assignment> Assignments;
    public IArithmeticExpression Argument;

src/DataStreamSuite/ArithmeticExpressions/ArithmeticExpressions.csproj

@@ -11,10 +11,20 @@
     <PackageReference Include="YaccLexTools" Version="1.2.2" />
   </ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
+  <Choose>
+    <When Condition="'$(UseProjectRefs)' == 'true'">
+      <ItemGroup>
+        <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
+        <ProjectReference Include="..\..\cs\Bts.Spark.Core\Bts.Spark.Core.csproj" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PackageReference Include="ExpressionCore" Version="$(SparkVersion)" />
+        <PackageReference Include="Bts.Spark.Core" Version="$(SparkVersion)" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
 
   <ItemGroup Label="ArithmeticExpression">
     <Scanner Include="ArithmeticExpressionTokens.lex" />

src/DataStreamSuite/BaseUtilities/BaseUtilities.csproj

@@ -5,9 +5,5 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
-
+  
 </Project>

src/DataStreamSuite/BaseUtilities/Crono.cs

@@ -1,41 +1,22 @@
-using mbts.spark;
+using System.Diagnostics;
 
-using System;
-using System.Runtime;
+namespace BCG.Utilities.General;
 
-namespace BCG.Utilities.General
-{
-	/// <summary>
-	/// Summary description for Crono.
-	/// </summary>
-	public class Crono
-	{
-      public Crono()
-      {
-         myTimer = new HighPerformanceTimer();
-      }
+/// <summary>
+/// Summary description for Crono.
+/// </summary>
+public class Crono {
+   readonly Stopwatch myTimer = new();
 
-      public void start() 
-      {myTimer.start();}
+   public void start() =>
+      myTimer.Start();
 
-      public void stop()
-      {myTimer.stop();}
+   public void stop() =>
+      myTimer.Stop();
 
-      public TimeSpan time
-      {
-         get 
-         {
-            return new TimeSpan((long) (myTimer.totalMilliseconds * TimeSpan.TicksPerMillisecond));
-         }
-      }
-
-      public double miliseconds
-      {
-         get
-         {return myTimer.totalMilliseconds;}
-      }
-
-      private HighPerformanceTimer myTimer;
-	}
+   public TimeSpan time =>
+      myTimer.Elapsed;
 
+   public double miliseconds =>
+      myTimer.Elapsed.TotalMilliseconds;
 }

src/DataStreamSuite/BlueRegistry/BlueRegistry.cs

@@ -1,192 +1,192 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Collections.Concurrent;
-using System.Reflection;
-using Microsoft.Win32;
-
-namespace BCG
-{
-   public enum RegistryRoot { HKCU, HKLM }
-
-   [Serializable]
-   public class BlueRegistry
-   {
-      public const string BlueSubKey = @"Software\Blue Capital Group\";
-      public static readonly string ApplicationPrefix;
-      protected string myFullPath;
-
-      public BlueRegistry(string subPath)
-      {
-         myFullPath = string.Concat(BlueRegistry.ApplicationPrefix, @"\", subPath);
-      }
-
-      public BlueRegistry(BlueRegistry parent, string subPath)
-      {
-         myFullPath = string.Concat(parent.myFullPath, @"\", subPath);
-      }
-
-      static BlueRegistry()
-      {
-         string app = "Applications";
-
-         Assembly ass = Assembly.GetEntryAssembly();
-         if (ass != null)
-         {
-            app = ass.GetName().Name;
-
-            object[] attrs = ass.GetCustomAttributes(
-               Type.GetType("System.Reflection.AssemblyTitleAttribute"), true);
-
-            if (attrs.Length > 0 && ((AssemblyTitleAttribute)attrs[0]).Title != string.Empty)
-            {
-               app = ((AssemblyTitleAttribute)attrs[0]).Title;
-            }
-         }
-
-         ApplicationPrefix = string.Concat(BlueRegistry.BlueSubKey, app);
-      }
-
-      public object getValue(string name)
-      {
-         return getValue(RegistryRoot.HKCU, name);
-      }
-
-      public object getValue(string name, object defaultValue)
-      {
-         return getValue(RegistryRoot.HKCU, name, defaultValue);
-      }
-
-      public void setValue(string name, object value)
-      {
-         setValue(RegistryRoot.HKCU, name, value);
-      }
-
-      public void deleteValue(string name)
-      {
-         deleteValue(RegistryRoot.HKCU, name);
-      }
-
-      private RegistryKey myGetRegistryKey(RegistryRoot root)
-      {
-         if (root == RegistryRoot.HKCU)
-            return Registry.CurrentUser.CreateSubKey(myFullPath);
-         else
-            return Registry.LocalMachine.CreateSubKey(myFullPath);
-      }
-
-      #region Generic Methods
-      internal virtual void setValue(RegistryRoot root, string name, object value)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            rk.SetValue(name, value);
-         }
-      }
-
-      internal virtual object getValue(RegistryRoot root, string name)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            return rk.GetValue(name);
-         }
-      }
-
-      internal virtual void deleteValue(RegistryRoot root, string name)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            rk.DeleteValue(name);
-         }
-      }
-
-      internal virtual object getValue(RegistryRoot root, string name, object defaultValue)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            return rk.GetValue(name, defaultValue);
-         }
-      }
-      #endregion
-
-      #region Double
-      internal virtual void setDouble(RegistryRoot root, string name, double value)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            DoubleRegistryHandler.setValue(rk, name, value);
-         }
-      }
-
-      internal virtual double getDouble(RegistryRoot root, string name)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            return DoubleRegistryHandler.getValue(rk, name);
-         }
-      }
-      #endregion
-
-      #region Enum
-      internal virtual void setEnum(RegistryRoot root, string name, Enum value)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            EnumRegistryHandler.setValue(rk, name, value);
-         }
-      }
-
-      internal virtual Enum getEnum(RegistryRoot root, string name, Type enumType)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            return EnumRegistryHandler.getValue(rk, name, enumType);
-         }
-      }
-      #endregion
-
-      #region Array
-      internal virtual void setArray(RegistryRoot root, string name, Array array)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            ArrayRegistryHandler.setValue(rk, name, array);
-         }
-      }
-
-      internal virtual Array getArray(RegistryRoot root, string name, Type elementType)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            return ArrayRegistryHandler.getValue(rk, name, elementType);
-         }
-      }
-      #endregion
-
-      #region SortedList
-      internal virtual void setSortedList(RegistryRoot root, string name, SortedList slist)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            SortedListRegistryHandler.setValue(rk, name, slist);
-         }
-      }
-
-      internal virtual SortedList getSortedList(RegistryRoot root, string name)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            return SortedListRegistryHandler.getValue(rk, name);
-         }
-      }
-
-      internal virtual void deleteSortedList(RegistryRoot root, string name)
-      {
-         using (RegistryKey rk = myGetRegistryKey(root))
-         {
-            SortedListRegistryHandler.deleteValue(rk, name);
-         }
-      }
-      #endregion
-   }
-}
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.Concurrent;
+using System.Reflection;
+using Microsoft.Win32;
+
+namespace BCG
+{
+   public enum RegistryRoot { HKCU, HKLM }
+
+   [Serializable]
+   public class BlueRegistry
+   {
+      public const string BlueSubKey = @"Software\Blue Capital Group\";
+      public static readonly string ApplicationPrefix;
+      protected string myFullPath;
+
+      public BlueRegistry(string subPath)
+      {
+         myFullPath = string.Concat(BlueRegistry.ApplicationPrefix, @"\", subPath);
+      }
+
+      public BlueRegistry(BlueRegistry parent, string subPath)
+      {
+         myFullPath = string.Concat(parent.myFullPath, @"\", subPath);
+      }
+
+      static BlueRegistry()
+      {
+         string app = "Applications";
+
+         Assembly ass = Assembly.GetEntryAssembly();
+         if (ass != null)
+         {
+            app = ass.GetName().Name;
+
+            object[] attrs = ass.GetCustomAttributes(
+               Type.GetType("System.Reflection.AssemblyTitleAttribute"), true);
+
+            if (attrs.Length > 0 && ((AssemblyTitleAttribute)attrs[0]).Title != string.Empty)
+            {
+               app = ((AssemblyTitleAttribute)attrs[0]).Title;
+            }
+         }
+
+         ApplicationPrefix = string.Concat(BlueRegistry.BlueSubKey, app);
+      }
+
+      public object getValue(string name)
+      {
+         return getValue(RegistryRoot.HKCU, name);
+      }
+
+      public object getValue(string name, object defaultValue)
+      {
+         return getValue(RegistryRoot.HKCU, name, defaultValue);
+      }
+
+      public void setValue(string name, object value)
+      {
+         setValue(RegistryRoot.HKCU, name, value);
+      }
+
+      public void deleteValue(string name)
+      {
+         deleteValue(RegistryRoot.HKCU, name);
+      }
+
+      private RegistryKey myGetRegistryKey(RegistryRoot root)
+      {
+         if (root == RegistryRoot.HKCU)
+            return Registry.CurrentUser.CreateSubKey(myFullPath);
+         else
+            return Registry.LocalMachine.CreateSubKey(myFullPath);
+      }
+
+      #region Generic Methods
+      public virtual void setValue(RegistryRoot root, string name, object value)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            rk.SetValue(name, value);
+         }
+      }
+
+      internal virtual object getValue(RegistryRoot root, string name)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            return rk.GetValue(name);
+         }
+      }
+
+      internal virtual void deleteValue(RegistryRoot root, string name)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            rk.DeleteValue(name);
+         }
+      }
+
+      public virtual object getValue(RegistryRoot root, string name, object defaultValue)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            return rk.GetValue(name, defaultValue);
+         }
+      }
+      #endregion
+
+      #region Double
+      internal virtual void setDouble(RegistryRoot root, string name, double value)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            DoubleRegistryHandler.setValue(rk, name, value);
+         }
+      }
+
+      internal virtual double getDouble(RegistryRoot root, string name)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            return DoubleRegistryHandler.getValue(rk, name);
+         }
+      }
+      #endregion
+
+      #region Enum
+      internal virtual void setEnum(RegistryRoot root, string name, Enum value)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            EnumRegistryHandler.setValue(rk, name, value);
+         }
+      }
+
+      internal virtual Enum getEnum(RegistryRoot root, string name, Type enumType)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            return EnumRegistryHandler.getValue(rk, name, enumType);
+         }
+      }
+      #endregion
+
+      #region Array
+      internal virtual void setArray(RegistryRoot root, string name, Array array)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            ArrayRegistryHandler.setValue(rk, name, array);
+         }
+      }
+
+      internal virtual Array getArray(RegistryRoot root, string name, Type elementType)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            return ArrayRegistryHandler.getValue(rk, name, elementType);
+         }
+      }
+      #endregion
+
+      #region SortedList
+      internal virtual void setSortedList(RegistryRoot root, string name, SortedList slist)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            SortedListRegistryHandler.setValue(rk, name, slist);
+         }
+      }
+
+      internal virtual SortedList getSortedList(RegistryRoot root, string name)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            return SortedListRegistryHandler.getValue(rk, name);
+         }
+      }
+
+      internal virtual void deleteSortedList(RegistryRoot root, string name)
+      {
+         using (RegistryKey rk = myGetRegistryKey(root))
+         {
+            SortedListRegistryHandler.deleteValue(rk, name);
+         }
+      }
+      #endregion
+   }
+}

src/DataStreamSuite/BlueRegistry/BlueRegistry.csproj

@@ -1,10 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0-windows</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
-    <UseWindowsForms>true</UseWindowsForms>
   </PropertyGroup>
 
 </Project>

src/DataStreamSuite/BlueRegistry/DoubleRegistryHandler.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Runtime.Versioning;
+
 using Microsoft.Win32;
 
 namespace BCG
@@ -10,6 +12,7 @@ namespace BCG
          rk.SetValue (name, value.ToString ());
       }
 
+      [SupportedOSPlatform("windows")]
       public static double getValue (RegistryKey rk, string name)
       {
          object v = rk.GetValue (name);

src/DataStreamSuite/BooleanExpressions/Arguments/ArgumentComparer.cs

@@ -6,23 +6,80 @@ using Spark.Core.Collections;
 
 static class ArgumentComparer {
    public static int Compare(
-      IArgument value1, IArgument value2, IDictionary<string,object?> env) {
+      IArgument value1, IArgument value2, IDictionary<string, object?> env) {
       if (value1 is null) {
          throw new ArgumentNullException(nameof(value1));
       }
       if (value2 is null) {
          throw new ArgumentNullException(nameof(value2));
       }
-      var cmp1 = value1.Cast<IComparable>();
-      var cmp2 = value2.Cast<IComparable>();
+      var obj1 = value1.GetValue(env);
+      var obj2 = value2.GetValue(env);
+      if (obj1 is null) {
+         if (obj2 is null) {
+            return 0;
+         }
+         return -1;
+      }
+      if (obj2 is null) {
+         return 1;
+      }
+      return compareObjs(obj1, obj2);
+   }
+
+   static int compareObjs(object obj1, object obj2) {
       try {
-         var v1 = cmp1.GetValue(env);
-         var v2 = cmp2.GetValue(env);
-         return v1.GetType().IsNumeric() ?
-            new NumericComparer().Compare(v1, v2) : v1.CompareTo(v2);
+         var typ1 = obj1.GetType();
+         var typ2 = obj2.GetType();
+         bool areSameTypes = typ1 == typ2;
+         if (areSameTypes) {
+            return ((IComparable)obj1).CompareTo(obj2);
+         }
+         if (typ1.IsNumeric()) {
+            return tryCompareNumeric(obj1, obj2);
+         } else if (typ2.IsNumeric()) {
+            return -tryCompareNumeric(obj2, obj1);
+         } else if (typ1.IsEnum) {
+            if (typ2 == typeof(string)) {
+               return -((string)obj2).CompareTo(obj1.ToString());
+            }
+         } else if (typ1 == typeof(string)) {
+            return ((string)obj1).CompareTo(obj2.ToString());
+         } else if (typ1 == typeof(DateTime)) {
+            if (typ2 == typeof(TimeSpan)) {
+               return ((DateTime)obj1).Ticks.CompareTo(((TimeSpan)obj2).Ticks);
+            }
+         } else if (typ1 == typeof(TimeSpan)) {
+            if (typ2 == typeof(DateTime)) {
+               return ((TimeSpan)obj1).Ticks.CompareTo(((DateTime)obj2).Ticks);
+            }
+         }
       } catch (Exception ex) {
          Log.Ui.error($"Comparison failed: {ex}");
          throw;
       }
+      throw new ArgumentException("Failed to compare obj1 and obj2", nameof(obj1));
+   }
+
+   static int tryCompareNumeric(object numericObj1, object obj2) {
+      var typ2 = obj2.GetType();
+      if (typ2.IsNumeric()) {
+         return new NumericComparer().Compare(numericObj1, obj2);
+      } else if (typ2.IsEnum) {
+         var undTyp2 = typ2.GetEnumUnderlyingType();
+         if (undTyp2 == typeof(byte)) {
+            return new NumericComparer().Compare(numericObj1, (byte)obj2);
+         }
+         if (undTyp2 == typeof(short)) {
+            return new NumericComparer().Compare(numericObj1, (short)obj2);
+         }
+         if (undTyp2 == typeof(int)) {
+            return new NumericComparer().Compare(numericObj1, (int)obj2);
+         }
+         if (undTyp2 == typeof(long)) {
+            return new NumericComparer().Compare(numericObj1, (long)obj2);
+         }
+      }
+      throw new ArgumentException("Failed to compare numeric obj1 and obj2", nameof(obj2));
    }
 }

src/DataStreamSuite/BooleanExpressions/BooleanExpression.cs

@@ -1,19 +1,11 @@
 namespace Bts.BooleanExpressions;
 
-using bts;
-
 class BooleanExpression : IBooleanExpression {
    readonly Func<IDictionary<string, object?>, bool> evaluate;
 
    public BooleanExpression(Func<IDictionary<string, object?>, bool> evaluate) =>
       this.evaluate = evaluate;
 
-   public bool Evaluate(IDictionary<string, object?> env) {
-      try {
-         return evaluate(env);
-      } catch (Exception ex) {
-         Log.assert(false, $"BooleanExpression.Evaluate failed: {ex}");
-         throw;
-      }
-   }
+   public bool Evaluate(IDictionary<string, object?> env) =>
+      evaluate(env);
 }

src/DataStreamSuite/BooleanExpressions/BooleanExpressionTokens.lex

@@ -42,15 +42,11 @@ OpenParenthesis          \(
 CloseParenthesis         \)
 Comma                    ,
 Negate                   '!'
+MapsTo                   ':'
 IsOfType                 '/'
 
 %%
 
-{StringConstant} {
-   yylval.String = yytext.Substring(1, yytext.Length - 2).Replace(@"\'", "'");
-   return (int)Token.STRING_CONSTANT;
-} 
-
 {BooleanConstant} {
    yylval.Boolean = yytext.ToLower() switch {
       "true" => true,
@@ -61,6 +57,11 @@ IsOfType                 '/'
    return (int)Token.BOOLEAN_CONSTANT;
 }
 
+{StringConstant} {
+   yylval.String = yytext.Substring(1, yytext.Length - 2).Replace(@"\'", "'");
+   return (int)Token.STRING_CONSTANT;
+} 
+
 {NullConstant} {
    yylval.Null = DBNull.Value;
    return (int)Token.NULL_CONSTANT;
@@ -97,6 +98,10 @@ IsOfType                 '/'
    return (int)Token.NEGATE;
 }
 
+{MapsTo} {
+   return (int)Token.MAPS_TO;
+}
+
 {Equal} {
    return (int)Token.EQUAL;
 }

src/DataStreamSuite/BooleanExpressions/BooleanExpressions.csproj

@@ -8,13 +8,23 @@
 
   <ItemGroup>
     <PackageReference Include="Google.Protobuf" Version="3.24.3" />
-    <PackageReference Include="YaccLexTools" Version="1.2.0" />
+    <PackageReference Include="YaccLexTools" Version="1.2.3" />
   </ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
+  <Choose>
+    <When Condition="'$(UseProjectRefs)' == 'true'">
+      <ItemGroup>
+        <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
+        <ProjectReference Include="..\..\cs\Bts.Spark.Core\Bts.Spark.Core.csproj" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PackageReference Include="ExpressionCore" Version="$(SparkVersion)" />
+        <PackageReference Include="Bts.Spark.Core" Version="$(SparkVersion)" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
   
   <ItemGroup>
     <Scanner Include="BooleanExpressionTokens.lex" />

src/DataStreamSuite/Bts.ColumnExpressions/Bts.ColumnExpressions.csproj

@@ -10,11 +10,20 @@
     <PackageReference Include="YaccLexTools" Version="1.2.2" />
   </ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
-    <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
+  <Choose>
+    <When Condition="'$(UseProjectRefs)' == 'true'">
+      <ItemGroup>
+        <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
+        <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PackageReference Include="DataStreamCore" Version="$(SparkVersion)" />
+        <PackageReference Include="ExpressionCore" Version="$(SparkVersion)" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
 
   <ItemGroup Label="ColumnExpression">
     <Scanner Include="ColumnExpressionTokens.lex" />

src/DataStreamSuite/Bts.ColumnSortExpressions/Bts.ColumnSortExpressions.csproj

@@ -10,11 +10,20 @@
     <PackageReference Include="YaccLexTools" Version="1.2.2" />
   </ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
-    <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
+  <Choose>
+    <When Condition="'$(UseProjectRefs)' == 'true'">
+      <ItemGroup>
+        <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
+        <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PackageReference Include="DataStreamCore" Version="$(SparkVersion)" />
+        <PackageReference Include="ExpressionCore" Version="$(SparkVersion)" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
 
   <ItemGroup Label="ColumnSortExpression">
     <Scanner Include="ColumnSortExpressionTokens.lex" />

src/DataStreamSuite/Bts.DataStream.Websocket/Bts.DataStream.Websocket.csproj

@@ -1,15 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\..\client\spark_websocket\spark_websocket.csproj" />
-    <ProjectReference Include="..\DataStreamExpressions\DataStreamExpressions.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
-
-</Project>

src/DataStreamSuite/Bts.DataStream.Websocket/ClientSubscription.cs

@@ -1,9 +0,0 @@
-namespace Bts.DataStream.Websocket;
-
-class ClientSubscription(WebsocketClientID id, SubscriptionParams @params, IDisposable dispose) : IDisposable {
-   public SubscriptionParams Params => @params;
-   public WebsocketClientID Id => id;
-
-   public void Dispose() =>
-      dispose.Dispose();
-}

src/DataStreamSuite/Bts.DataStream.Websocket/DataSync.cs

@@ -1,301 +0,0 @@
-namespace Bts.DataStream.Websocket;
-
-using BCG;
-
-using bts;
-using bts.api.core;
-using bts.collections;
-using bts.websocket_core.json_rpc;
-
-using Bts.DataStreamExpressions;
-
-using mbts.utils;
-
-using Spark.Core.Disposables;
-using Spark.Core.Json;
-
-using System.Buffers;
-using System.Reactive.Subjects;
-using System.Text;
-using System.Text.Json;
-using System.Text.Json.Nodes;
-
-/// <summary>
-/// Represents an I/O model (<see cref="ISubject{TSource, TResult}"/>), that accepts websocket
-/// requests (from clients) as input, and emits data/notifications (to clients) as output.
-/// This class's chief role is managing data subscriptions to sparkd on the clients' behalf.
-/// </summary>
-public class DataSync(JsonSerializerOptions? serializerOpts = null) :
-   ISubject<WebsocketConnectionUpdate, IEnumerable<WebsocketOutgoingMessage>> {
-   protected readonly object lockObj = new();
-   readonly JsonSerializerOptions serializerOpts = serializerOpts ?? JsonSerializerOptions.Default;
-   readonly Dictionary<WebsocketClientID, List<ClientSubscription>> clients = [];
-
-   event Action<IEnumerable<WebsocketOutgoingMessage>>? requestSend;
-
-   public void OnCompleted() =>
-      Log.Api.info("DataSync incoming request stream has completed.");
-
-   public void OnError(Exception error) =>
-      Log.Api.error($"DataSync error: {error}");
-
-   public void OnNext(WebsocketConnectionUpdate value) {
-      switch (value.Type) {
-         case WebsocketConnectionUpdateType.IncomingMessage:
-            onIncomingMessage(value.IncomingMessage);
-            break;
-         case WebsocketConnectionUpdateType.Connect:
-            onConnect(value.Connect);
-            break;
-         case WebsocketConnectionUpdateType.Disconnect:
-            onDisconnect(value.Disconnect);
-            break;
-         default:
-            Log.assert(false, $"Unexpected WebsocketConnectionUpdate type: {value.Type}");
-            break;
-      }
-   }
-
-   public IDisposable Subscribe(IObserver<IEnumerable<WebsocketOutgoingMessage>> observer) {
-      lock (lockObj) {
-         requestSend += observer.OnNext;
-         return Disposable.Create(Dispose);
-      }
-      void Dispose() {
-         lock (lockObj) {
-            requestSend -= observer.OnNext;
-         }
-      }
-   }
-
-   static JsonRpcId? extractRpcId(string messageBody) {
-      try {
-         return JsonNode.Parse(messageBody)
-            ?.AsObject()
-            ?.GetValueOrDefault("id")
-            ?.Deserialize<JsonRpcId>();
-      } catch {
-         return null;
-      }
-   }
-
-   static string getRpcNotification(DataPacket dp) {
-      using (var buffer = new MemoryStream())
-      using (var writer = new Utf8JsonWriter(buffer))
-      using (writer.WriteObject()) {
-         writer.WriteString("method", "subscription");
-         using (writer.WriteObject("params")) {
-            writer.Write("tableName", dp.schema.tableName);
-            writer.Write("columns", dp.schema.columnInfo);
-            var cellJsonFactories = dp.schema.columnInfo.Select(getCellJsonFactory).ToList();
-            using (writer.WriteArray("added")) {
-               foreach (IBlueRow row in (dp.addedRows?.Cast<IBlueRow>()).empty_if_null()) {
-                  using (writer.WriteObject()) {
-                     for (int i = 0; i < cellJsonFactories.Count; i++) {
-                        writer.Write(dp.schema.columnInfo[i].colName, cellJsonFactories[i](row));
-                     }
-                  }
-               }
-            }
-            using (writer.WriteArray("deleted")) {
-               foreach (IBlueRow row in (dp.deletedRows?.Cast<IBlueRow>()).empty_if_null()) {
-                  using (writer.WriteObject()) {
-                     for (int i = 0; i < cellJsonFactories.Count; i++) {
-                        writer.Write(dp.schema.columnInfo[i].colName, cellJsonFactories[i](row));
-                     }
-                  }
-               }
-            }
-         }
-         writer.WriteString("jsonrpc", "2.0");
-         writer.Flush();
-         return Encoding.UTF8.GetString(buffer.ToArray());
-      }
-   }
-
-   static Func<IBlueRow, JsonNode?> getCellJsonFactory(ColumnInfo colInfo) {
-      var t = colInfo.colType;
-      if (t == typeof(int)) {
-         return NullCheckWrapper(v => (int)v);
-      }
-      if (t == typeof(uint)) {
-         return NullCheckWrapper(v => (uint)v);
-      }
-      if (t == typeof(long)) {
-         return NullCheckWrapper(v => (long)v);
-      }
-      if (t == typeof(ulong)) {
-         return NullCheckWrapper(v => (ulong)v);
-      }
-      if (t == typeof(short)) {
-         return NullCheckWrapper(v => (short)v);
-      }
-      if (t == typeof(ushort)) {
-         return NullCheckWrapper(v => (ushort)v);
-      }
-      if (t == typeof(double)) {
-         return NullCheckWrapper(v => (double)v);
-      }
-      if (t == typeof(float)) {
-         return NullCheckWrapper(v => (float)v);
-      }
-      if (t == typeof(bool)) {
-         return NullCheckWrapper(v => (bool)v);
-      }
-      return NullCheckWrapper(v => (string)v);
-
-      Func<IBlueRow, JsonNode?> NullCheckWrapper(Func<object, JsonNode> toJson) =>
-         r => {
-            var obj = r[colInfo.colNo];
-            if (obj is null) {
-               return null;
-            }
-            return toJson(obj);
-         };
-   }
-
-   void onConnect(WebsocketConnectNotification notification) {
-      var id = notification.Id;
-      lock (lockObj) {
-         clients.Add(id, []);
-      }
-      Log.Api.info($"DataStreamWebsocketDataSync client connected. clientId: {notification.Id}");
-      if (notification.Message is not null) {
-         onIncomingMessage(notification.Message);
-      }
-   }
-
-   void onDisconnect(WebsocketDisconnectNotification notification) {
-      Log.Api.warn($"DataStreamWebsocketDataSync client disconnected. clientId: {notification.Id}");
-      unsubscribeAll(notification.Id);
-      clients.Remove(notification.Id);
-   }
-
-   void onIncomingMessage(WebsocketIncomingMessage message) {
-      var id = message.sender_client_id;
-      if (!JsonRpcRequest.TryDeserialize(message, out var req, out var err)) {
-         onBadRequest(message, err);
-         return;
-      }
-      switch (req.Method!.ToLower()) {
-         case "subscribe":
-            subscribe(id, req);
-            break;
-         case "publish":
-            Log.Api.error("DataStreamWebsocket api 'publish' not implemented.");
-            // TODO
-            break;
-         case "unsubscribe":
-            unsubscribe(id, req);
-            break;
-         case "unsubscribe_all":
-            unsubscribeAll(id);
-            break;
-         default:
-            Log.Api.error($"Received request of unknown type: {req}");
-            break;
-      }
-   }
-
-   void sendResponse<T>(WebsocketClientID id, JsonRpcId rpcId, T rpcParams) {
-      var rpcRes = JsonRpcResponse.Create(rpcId, rpcParams);
-      var rpcResStr = JsonSerializer.Serialize(rpcRes, serializerOpts);
-      send([new(id, rpcResStr)]);
-   }
-
-   void sendError<T>(WebsocketClientID id, JsonRpcId rpcId, JsonRpcError<T> error) {
-      var rpcRes = JsonRpcResponse.CreateError(rpcId, error);
-      var rpcResStr = JsonSerializer.Serialize(rpcRes, serializerOpts);
-      send([new(id, rpcResStr)]);
-   }
-
-   bool send(IEnumerable<WebsocketOutgoingMessage> messages) {
-      lock (lockObj) {
-         if (requestSend is null) {
-            Log.Api.warn(
-               $"Unable to send message(s) because '{nameof(requestSend)}' handler is null");
-            return false;
-         }
-         requestSend(messages);
-         return true;
-      }
-   }
-
-   void subscribe(WebsocketClientID id, JsonRpcRequest<JsonObject?> req) {
-      var subParams = req.Params!.Deserialize<SubscriptionParams>()!;
-      var exp = DataStreamExpressionsInterpreter.Evaluate(subParams.Query!);
-      var stream = exp.getView(new Dictionary<string, StatementExpression>(0));
-      var sub = new ClientSubscription(id, subParams, Disposable.Create(Dispose));
-      lock (lockObj) {
-         clients[id].Add(sub);
-         sendResponse(id, req.Id!.Value, req.Params);
-         stream.onChange += OnChange;
-      }
-
-      void OnChange(object? newValue) {
-         var dp = ExceptionAssert.of_type<DataPacket>(newValue);
-         var notif = getRpcNotification(dp);
-         send([new(id, notif)]);
-      }
-
-      void Dispose() =>
-         stream.onChange -= OnChange;
-   }
-
-   void unsubscribe(WebsocketClientID id, JsonRpcRequest<JsonObject?> req) {
-      var subParams = req.Params!.Deserialize<SubscriptionParams>();
-      var subParamsStr = JsonSerializer.Serialize(subParams, serializerOpts);
-      // Minimize amount of code inside lock (just need it to find/remove the subscription)
-      List<ClientSubscription>? subs = null;
-      ClientSubscription? sub = null;
-      lock (lockObj) {
-         subs = clients.GetValueOrDefault(id);
-         subs?.TryRemoveFirst(s => s!.Params.Equals(subParams), out sub);
-      }
-      if (subs is null) {
-         // Didn't find client (log/throw).
-         var msg = $"Unable to unsubscribe: did not find client. Id: {id}.\nParams:\n{subParamsStr}";
-         Log.Api.error(msg);
-         throw new Exception(msg);
-      }
-      if (sub is null) {
-         // Found client, but didn't find subscription (log/throw).
-         var msg = $"Unable to unsubscribe: did not find the specified subscription. " +
-            $"Id: {id}. Request:\n{subParams}";
-         Log.Api.error(msg);
-         throw new Exception(msg);
-      }
-      // Found client and subscription (dispose/remove subscription).
-      Log.Api.info($"Unsubscribing client. Id: {id}.\nParams:\n{subParamsStr}");
-      sub.Dispose();
-   }
-
-   void unsubscribeAll(WebsocketClientID id) {
-      lock (lockObj) {
-         if (!clients.TryGetValue(id, out var subs)) {
-            throw new Exception(
-               $"Unable to unsubscribe: did not find client with id {id}");
-         }
-         subs.DisposeAll();
-         subs.Clear();
-      }
-   }
-
-   void onBadRequest(WebsocketIncomingMessage req, string? errorMsg) {
-      var rpcId = extractRpcId(req.message_body);
-      var logMsg = $"Recieved invalid request:\n{req.message_body}";
-      if (errorMsg is not null) {
-         logMsg += $"\n\n**Exception**\n{errorMsg}";
-      }
-      Log.Api.error(logMsg);
-      if (rpcId is null) {
-         return;
-      }
-      // Send error back to client
-      var rpcErr = JsonRpcError.Create(
-         (long)JsonRpcErrorCode.InvalidRequest,
-         $"Received invalid request: {errorMsg ?? "unknown error"}",
-         req.message_body);
-      sendError(req.sender_client_id, rpcId.Value, rpcErr);
-   }
-}

src/DataStreamSuite/Bts.DataStream.Websocket/JObjectExtensions.cs

@@ -1,34 +0,0 @@
-namespace Bts.DataStream.Websocket;
-
-using Newtonsoft.Json.Linq;
-
-using System.Diagnostics.CodeAnalysis;
-
-public static class JObjectExtensions {
-   public static bool TryParse<T>(
-      this JObject filter, string key, [MaybeNull] out T obj, [NotNullWhen(false)] out string? error) {
-      obj = default;
-      var value = filter.GetValueOrDefault(key)?.ToString();
-      if (value == null) {
-         error = $"{key} not present";
-         return true;
-      }
-      return WebsocketJsonParsers.TryParse(value, key, out obj, out error);
-   }
-
-   public static bool TryParse<T>(
-     this JObject filter, string key, out T result, [NotNullWhen(false)] out string? error, T defaultValue) {
-      var value = filter.GetValueOrDefault(key)?.ToString();
-      if (value == null) {
-         result = defaultValue;
-         error = $"{key} not present";
-         return true;
-      }
-      if (WebsocketJsonParsers.TryParse<T>(value, key, out var maybeRes, out error)) {
-         result = maybeRes ?? defaultValue;
-         return true;
-      }
-      result = defaultValue;
-      return false;
-   }
-}

src/DataStreamSuite/Bts.DataStream.Websocket/MultilineStringJsonConverter.cs

@@ -1,48 +0,0 @@
-namespace Bts.DataStream.Websocket;
-
-using Spark.Core;
-
-using System;
-using System.Text.Json;
-using System.Text.Json.Serialization;
-
-class MultilineStringJsonConverter : JsonConverter<string> {
-   public override string? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) {
-      if (typeToConvert != typeof(string)) {
-         throw new ArgumentException($"Unable to parse {typeToConvert}", nameof(typeToConvert));
-      }
-      return reader.TokenType switch {
-         JsonTokenType.String => StringImpl(ref reader),
-         JsonTokenType.StartArray => ArrayImpl(ref reader),
-         _ => throw new ArgumentException(
-            $"Unable to parse {typeof(SubscriptionParams)} from {reader.TokenType}"),
-      };
-
-      static string? StringImpl(ref Utf8JsonReader reader) =>
-         new(reader.GetString()!);
-
-      static string? ArrayImpl(ref Utf8JsonReader reader) {
-         var lines = new List<string>(2);
-         while (reader.Read()) {
-            switch (reader.TokenType) {
-               case JsonTokenType.String:
-                  lines.Add(reader.GetString()!);
-                  break;
-               case JsonTokenType.EndArray:
-                  return string.Join("\n", lines);
-            }
-         }
-         throw new JsonException(
-            $"Failed to parse {typeof(SubscriptionParams)} (did not reach end of array)");
-      }
-   }
-
-   public override void Write(Utf8JsonWriter writer, string value, JsonSerializerOptions options) {
-      var lines = value.Split("\n");
-      if (lines.Length < 2) {
-         writer.WriteRawValue(value);
-         return;
-      }
-      writer.WriteRawValue($"[{", ".join(lines)}]");
-   }
-}

src/DataStreamSuite/Bts.DataStream.Websocket/RequestType.cs

@@ -1,8 +0,0 @@
-namespace Bts.DataStream.Websocket;
-
-public enum RequestType {
-   Unspecified,
-   Subscribe,
-   Unsubscribe,
-   UnsubscribeAll,
-}

src/DataStreamSuite/Bts.DataStream.Websocket/Session.cs

@@ -1,25 +0,0 @@
-namespace Bts.DataStream.Websocket;
-
-using bts;
-
-using Google.Protobuf;
-
-using System.Text.Json;
-
-public static class Session {
-   static int sessionIdCounter;
-
-   public static async Task Start(
-      WebsocketServerConfig config, JsonSerializerOptions? opts) {
-      opts ??= JsonSerializerOptions.Default;
-      var sessionId = Interlocked.Increment(ref sessionIdCounter);
-      var gateway = new WebsocketClient(config);
-      var sync = new DataSync(opts);
-      using (gateway.Subscribe(sync))
-      using (sync.Subscribe(gateway)) {
-         Log.Api.info($"Starting DataStream Websocket Session {sessionId}");
-         Log.Api.info($"DataStream Websocket Session {sessionId} config:\n{JsonFormatter.Default.Format(config)}");
-         await gateway.ConnectAsync();
-      }
-   }
-}

src/DataStreamSuite/Bts.DataStream.Websocket/SubscriptionParams.cs

@@ -1,112 +0,0 @@
-namespace Bts.DataStream.Websocket;
-
-using bts.utils;
-
-using Spark.Core;
-using Spark.Core.Json;
-
-using System;
-using System.Diagnostics.CodeAnalysis;
-using System.Text.Json;
-using System.Text.Json.Serialization;
-
-public class SubscriptionParams(string? query = null) : IEquatable<SubscriptionParams> {
-   static class PropNames {
-      public const string QUERY = "query";
-   }
-
-   // Serializer supports plain string, or an array of lines for convenience
-   [MaybeNull]
-   [JsonPropertyName(PropNames.QUERY)]
-   [JsonConverter(typeof(MultilineStringJsonConverter))]
-   public string? Query { get; set; } = query;
-
-   public bool Equals(SubscriptionParams? other) =>
-      other is not null &&
-      // Not the most elegant equals impl, but it'll work
-      Query.safe_equals(other.Query, (a, b) => a?.ToString() == b?.ToString());
-
-   class SubscriptionParamsConverter : JsonConverter<SubscriptionParams> {
-      public override bool CanConvert(Type typeToConvert) =>
-         typeToConvert == typeof(SubscriptionParams);
-
-      public override SubscriptionParams Read(
-         ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) {
-         if (typeToConvert != typeof(SubscriptionParams)) {
-            throw new ArgumentException($"Unable to parse {typeToConvert}", nameof(typeToConvert));
-         }
-         return read(ref reader);
-      }
-
-      static SubscriptionParams read(ref Utf8JsonReader reader) {
-         return reader.TokenType switch {
-            JsonTokenType.String => StringImpl(ref reader),
-            JsonTokenType.StartArray => ArrayImpl(ref reader),
-            JsonTokenType.StartObject => ObjectImpl(ref reader),
-            _ => throw new ArgumentException(
-               $"Unable to parse {typeof(SubscriptionParams)} from {reader.TokenType}"),
-         };
-
-         static SubscriptionParams StringImpl(ref Utf8JsonReader reader) =>
-            new(reader.GetString()!);
-
-         static SubscriptionParams ArrayImpl(ref Utf8JsonReader reader) {
-            var lines = new List<string>(2);
-            while (reader.Read()) {
-               switch (reader.TokenType) {
-                  case JsonTokenType.String:
-                     lines.Add(reader.GetString()!);
-                     break;
-                  case JsonTokenType.EndArray:
-                     return new("\n".join(lines));
-               }
-            }
-            throw new JsonException(
-               $"Failed to parse {typeof(SubscriptionParams)} (did not reach end of array)");
-         }
-
-         static SubscriptionParams ObjectImpl(ref Utf8JsonReader reader) {
-            var lines = new List<string>(2);
-            while (reader.Read()) {
-               switch (reader.TokenType) {
-                  case JsonTokenType.PropertyName:
-                     var propName = reader.GetString()!;
-                     if (propName == PropNames.QUERY) {
-                        switch (reader.TokenType) {
-                           case JsonTokenType.StartArray:
-                              return ArrayImpl(ref reader);
-                           case JsonTokenType.String:
-                              return StringImpl(ref reader);
-                        }
-                     }
-                     break;
-                  case JsonTokenType.String:
-                     lines.Add(reader.GetString()!);
-                     break;
-                  case JsonTokenType.EndArray:
-                     return new("\n".join(lines));
-               }
-            }
-            throw new JsonException(
-               $"Failed to parse {typeof(SubscriptionParams)} (did not reach end of array)");
-         }
-      }
-
-      public override void Write(
-         Utf8JsonWriter writer, SubscriptionParams value, JsonSerializerOptions options) {
-         var q = value.Query;
-         var lines = q?.Split("\n");
-         if (lines is null || lines.Length < 2) {
-            writer.WriteString(PropNames.QUERY, value.Query);
-            return;
-         }
-         writer.WriteArray(PropNames.QUERY, lines);
-      }
-   }
-
-   public override bool Equals(object? obj) =>
-      Equals(obj as SubscriptionParams);
-
-   public override int GetHashCode() =>
-      Query?.Length ?? typeof(SubscriptionParams).GetHashCode();
-}

src/DataStreamSuite/Bts.DataStream.Websocket/Usings.cs

@@ -1,5 +0,0 @@
-global using bts.websocket_core;
-
-global using System;
-
-global using System.Collections.Immutable;

src/DataStreamSuite/Bts.DataStream.Websocket/ViewStreamUpdate.cs

@@ -1,41 +0,0 @@
-#nullable enable
-using BCG;
-
-using Spark.Core.Json;
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text.Json;
-using System.Text.Json.Serialization;
-
-namespace Bts.DataStreamCore;
-
-class ViewStreamUpdate {
-   [JsonPropertyName("tableName")]
-   public string? TableName { get; set; }
-
-   [JsonPropertyName("columns")]
-   public List<ColumnInfo>? Columns { get; set; }
-
-   [JsonPropertyName("addedRows")]
-   public List<Dictionary<string, object?>>? AddedRows { get; set; }
-
-   [JsonPropertyName("deletedRows")]
-   public List<Dictionary<string, object?>>? DeletedRows { get; set; }
-
-   public DataPacket ToDataPacket(BlueTable state, bool applyChanges = true) {
-      var schema = new BlueTableSchema([.. Columns!], TableName);
-      var addedRowsTable = new BlueTable(schema);
-      var deletedRowsTable = new BlueTable(schema);
-      if (applyChanges) {
-         state.deleteRows(deletedRowsTable);
-         state.addRows(addedRowsTable);
-      }
-      return new(state, addedRowsTable, deletedRowsTable);
-   }
-
-   public static string ToJson() {
-      return "";
-   }
-}

src/DataStreamSuite/Bts.DataStream.WebsocketServer/Bts.DataStream.WebsocketServer.csproj

@@ -1,18 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\Bts.DataStream.Websocket\Bts.DataStream.Websocket.csproj" />
-  </ItemGroup>
-
-</Project>

src/DataStreamSuite/Bts.DataStream.WebsocketServer/DataStreamWebsocketServer.conf

@@ -1,7 +0,0 @@
-{
-  "host": "localhost",
-  "port": 8080,
-  "scheme": "ws",
-  "default_end_point": "/",
-  "keep_alive_interval_secs": 1
-}

src/DataStreamSuite/Bts.DataStream.WebsocketServer/Program.cs

@@ -1,76 +0,0 @@
-using bts.api.core;
-
-using Bts.DataStream.Websocket;
-
-using Google.Protobuf;
-
-using System.CommandLine.Parsing;
-using System.Text.Json;
-
-static WebsocketServerConfig readConfigFile(string path) {
-   using var fs = File.OpenRead(path);
-   using var sr = new StreamReader(fs);
-   return JsonParser.Default.Parse<WebsocketServerConfig>(sr);
-}
-
-static WebsocketServerConfig? readConfigArg(ArgumentResult result) {
-   var path = result.Tokens.Select(t => t.Value).FirstOrDefault() ?? string.Empty;
-   return readConfigFile(path);
-}
-
-static WebsocketServerConfig getDefaultConfig() {
-   const string defaultCfgPath = "DataStreamWebsocketServer.conf";
-   if (File.Exists(defaultCfgPath)) {
-      return readConfigFile(defaultCfgPath);
-   }
-   return new() {
-      Scheme = "http",
-      Host = "localhost",
-      Port = 8080,
-      DefaultEndPoint = "/",
-      KeepAliveIntervalSecs = 1
-   };
-}
-   
-static async Task run(
-   WebsocketServerConfig? wssConfig, string user, string password, string? sparkdConfigSource) {
-   var opts = new JsonSerializerOptions(JsonSerializerDefaults.Web);
-   wssConfig ??= getDefaultConfig();
-   Console.WriteLine("Starting DataStreamWebsocketServer...");
-   var serviceCtx = ServiceContext.create(sparkdConfigSource);
-   await serviceCtx.login(user, password);
-   await Session.Start(wssConfig, opts);
-   // if (sparkdConfigSource is not null && sparkdConfigSource.Length > 9999) {
-   // } else {
-   //    await ChatGptSession.Start();
-   // }
-}
-
-var userOpt = new Option<string>("--user", () => "bts");
-var passOpt = new Option<string>("--password", () => string.Empty);
-var sparkdConfigSourceOpt = new Option<string>(
-   "--sparkd", description: "The sparkd config server url");
-// var bling = new ParseArgument<WebsocketServerConfig?>(parseWsConfig);
-
-// WebsocketServerConfig? parseWsConfig(ArgumentResult result) {
-//    Token t;
-//    TokenType tt;
-//    Symbol s;
-//    throw new NotImplementedException();
-// }
-
-var configOpt = new Option<WebsocketServerConfig?>(
-   "--config", readConfigArg, description: "WebsocketServerConfig file path");
-configOpt.SetDefaultValue(new());
-var rootCommand = new RootCommand("Starts a DataStream Websocket Server");
-rootCommand.AddOption(configOpt);
-rootCommand.AddOption(userOpt);
-rootCommand.AddOption(passOpt);
-rootCommand.SetHandler(run, configOpt, userOpt, passOpt, sparkdConfigSourceOpt);
-
-try {
-   return await rootCommand.InvokeAsync(args);
-} catch (Exception ex) {
-   Console.WriteLine($"Error: {ex}");
-}
-return 1;

src/DataStreamSuite/Bts.DataStream.WebsocketServer/Usings.cs

@@ -1,6 +0,0 @@
-global using bts.websocket_core;
-global using bts.websocket_core.json_rpc;
-
-global using System.CommandLine;
-
-global using System.Collections.Immutable;

src/DataStreamSuite/Bts.DataStreamWebApp.Client/.eslintrc.cjs

@@ -1,20 +0,0 @@
-module.exports = {
-  root: true,
-  env: { browser: true, es2020: true },
-  extends: [
-    'eslint:recommended',
-    'plugin:react/recommended',
-    'plugin:react/jsx-runtime',
-    'plugin:react-hooks/recommended',
-  ],
-  ignorePatterns: ['dist', '.eslintrc.cjs'],
-  parserOptions: { ecmaVersion: 'latest', sourceType: 'module' },
-  settings: { react: { version: '18.2' } },
-  plugins: ['react-refresh'],
-  rules: {
-    'react-refresh/only-export-components': [
-      'warn',
-      { allowConstantExport: true },
-    ],
-  },
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Client/.gitignore

@@ -1,24 +0,0 @@
-# Logs
-logs
-*.log
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-pnpm-debug.log*
-lerna-debug.log*
-
-node_modules
-dist
-dist-ssr
-*.local
-
-# Editor directories and files
-.vscode/*
-!.vscode/extensions.json
-.idea
-.DS_Store
-*.suo
-*.ntvs*
-*.njsproj
-*.sln
-*.sw?

src/DataStreamSuite/Bts.DataStreamWebApp.Client/Bts.DataStreamWebApp.Client.esproj

@@ -1,11 +0,0 @@
-<Project Sdk="Microsoft.VisualStudio.JavaScript.Sdk/0.5.128-alpha">
-  <PropertyGroup>
-    <StartupCommand>npm run dev</StartupCommand>
-    <JavaScriptTestRoot>src\</JavaScriptTestRoot>
-    <JavaScriptTestFramework>Jest</JavaScriptTestFramework>
-    <!-- Allows the build (or compile) script located on package.json to run on Build -->
-    <ShouldRunBuildScript>false</ShouldRunBuildScript>
-    <!-- Folder where production build objects will be placed -->
-    <PublishAssetsDirectory>$(MSBuildProjectDirectory)\dist</PublishAssetsDirectory>
-  </PropertyGroup>
-</Project>

src/DataStreamSuite/Bts.DataStreamWebApp.Client/README.md

@@ -1,8 +0,0 @@
-# React + Vite
-
-This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
-
-Currently, two official plugins are available:
-
-- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react/README.md) uses [Babel](https://babeljs.io/) for Fast Refresh
-- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh

src/DataStreamSuite/Bts.DataStreamWebApp.Client/index.html

@@ -1,13 +0,0 @@
-<!doctype html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Vite + React</title>
-  </head>
-  <body>
-    <div id="root"></div>
-    <script type="module" src="/src/main.jsx"></script>
-  </body>
-</html>

src/DataStreamSuite/Bts.DataStreamWebApp.Client/nuget.config

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <packageSources>
-    <clear />
-    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
-  </packageSources>
-  <disabledPackageSources>
-    <clear />
-  </disabledPackageSources>
-</configuration>

src/DataStreamSuite/Bts.DataStreamWebApp.Client/package.json

@@ -1,27 +0,0 @@
-{
-  "name": "bts.datastreamwebapp.client",
-  "private": true,
-  "version": "0.0.0",
-  "type": "module",
-  "scripts": {
-    "dev": "vite",
-    "build": "vite build",
-    "lint": "eslint . --ext js,jsx --report-unused-disable-directives --max-warnings 0",
-    "preview": "vite preview"
-  },
-  "dependencies": {
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
-    "react-use-websocket": "^4.5.0"
-  },
-  "devDependencies": {
-    "@types/react": "^18.2.43",
-    "@types/react-dom": "^18.2.17",
-    "@vitejs/plugin-react": "^4.2.1",
-    "eslint": "^8.55.0",
-    "eslint-plugin-react": "^7.33.2",
-    "eslint-plugin-react-hooks": "^4.6.0",
-    "eslint-plugin-react-refresh": "^0.4.5",
-    "vite": "^5.0.8"
-  }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Client/public/vite.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>

src/DataStreamSuite/Bts.DataStreamWebApp.Client/src/App.css

@@ -1,44 +0,0 @@
-#root {
-    max-width: 1280px;
-    margin: 0 auto;
-    padding: 2rem;
-    text-align: center;
-    --cell-background-color: #293136;
-    --cell-color: #cbe3ef;
-}
-
-tr:nth-child(even) {
-    background: #F2F2F2;
-}
-
-tr:nth-child(odd) {
-    background: #FFF;
-}
-
-th, td {
-    padding-left: 1rem;
-    padding-right: 1rem;
-    background-color: var(--cell-background-color);
-    color: var(--cell-color);
-}
-
-textarea#query-input {
-  height: 5em;
-  width: 50em;
-}
-
-button#query-button {
-  height: 5em;
-  vertical-align: top;
-}
-
-table#query-output {
-  float: none;
-  clear: both;
-}
-
-p#footer {
-  float: none;
-  clear: both;
-  vertical-align: bottom;
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Client/src/App.jsx

@@ -1,88 +0,0 @@
-import { Component } from "react";
-import "./App.css";
-
-export class Home extends Component {
-  static displayName = Home.name;
-  static sparkdHost = "localhost";
-
-  render() {
-    let socket = null;
-    const wsUrl = `ws://localhost:5268/ws`;
-
-    function connectToSparkd() {
-      if (socket == null) {
-        socket = new WebSocket(wsUrl);
-      }
-      if (socket && socket.readyState === WebSocket.OPEN) {
-        return;
-      }
-
-      const output = document.getElementById("query-output");
-      socket.onopen = (event) => {
-        console.log(`Connected to ${wsUrl}`);
-      };
-
-      socket.onmessage = (event) => {
-        console.log(`Received message: ${event.data}`);
-        output.innerHTML = event.data;
-      };
-
-      socket.onerror = (error) => {
-        console.log(`Error on websocket ${wsUrl}: ${error}`);
-      };
-
-      socket.onclose = (event) => {
-        if (event.wasClean) {
-          const msg = `Connection to ${wsUrl} closed cleanly, code=${event.code}, reason=${event.reason}`;
-          console.log(msg);
-        } else {
-          const msg = `Connection to ${wsUrl} abruptly closed`;
-          console.log(msg);
-        }
-      };
-    }
-
-    function executeQuery() {
-      if (socket == null || !socket) {
-        connectToSparkd();
-      }
-      if (socket == null || !socket) {
-        console.log("Failed to connect to websocket server");
-        return;
-      }
-      if (socket.readyState === WebSocket.OPEN) {
-        const queryInput = document.getElementById("query-input");
-        const rpcReq = {
-          jsonrpc: "2.0",
-          method: "subscribe",
-          params: {
-            query: queryInput.value,
-          },
-          id: 1,
-        };
-        socket.send(JSON.stringify(rpcReq));
-      }
-    }
-
-    return (
-      <div>
-        <h1>Data Stream Query Analyzer</h1>
-        <p>Run queries against the BTS Cloud</p>
-        <div>
-          <textarea id="query-input" placeholder="Enter Query"></textarea>
-          <button id="query-button" onClick={executeQuery}>
-            Execute
-          </button>
-        </div>
-        <table id="query-output"></table>
-        <p id="footer">
-          The <code>ClientApp</code> subdirectory is a standard React
-          application based on the <code>create-react-app</code> template. If
-          you open a command prompt in that directory, you can run{" "}
-          <code>npm</code> commands such as <code>npm test</code> or{" "}
-          <code>npm install</code>.
-        </p>
-      </div>
-    );
-  }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Client/src/assets/react.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="35.93" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 228"><path fill="#00D8FF" d="M210.483 73.824a171.49 171.49 0 0 0-8.24-2.597c.465-1.9.893-3.777 1.273-5.621c6.238-30.281 2.16-54.676-11.769-62.708c-13.355-7.7-35.196.329-57.254 19.526a171.23 171.23 0 0 0-6.375 5.848a155.866 155.866 0 0 0-4.241-3.917C100.759 3.829 77.587-4.822 63.673 3.233C50.33 10.957 46.379 33.89 51.995 62.588a170.974 170.974 0 0 0 1.892 8.48c-3.28.932-6.445 1.924-9.474 2.98C17.309 83.498 0 98.307 0 113.668c0 15.865 18.582 31.778 46.812 41.427a145.52 145.52 0 0 0 6.921 2.165a167.467 167.467 0 0 0-2.01 9.138c-5.354 28.2-1.173 50.591 12.134 58.266c13.744 7.926 36.812-.22 59.273-19.855a145.567 145.567 0 0 0 5.342-4.923a168.064 168.064 0 0 0 6.92 6.314c21.758 18.722 43.246 26.282 56.54 18.586c13.731-7.949 18.194-32.003 12.4-61.268a145.016 145.016 0 0 0-1.535-6.842c1.62-.48 3.21-.974 4.76-1.488c29.348-9.723 48.443-25.443 48.443-41.52c0-15.417-17.868-30.326-45.517-39.844Zm-6.365 70.984c-1.4.463-2.836.91-4.3 1.345c-3.24-10.257-7.612-21.163-12.963-32.432c5.106-11 9.31-21.767 12.459-31.957c2.619.758 5.16 1.557 7.61 2.4c23.69 8.156 38.14 20.213 38.14 29.504c0 9.896-15.606 22.743-40.946 31.14Zm-10.514 20.834c2.562 12.94 2.927 24.64 1.23 33.787c-1.524 8.219-4.59 13.698-8.382 15.893c-8.067 4.67-25.32-1.4-43.927-17.412a156.726 156.726 0 0 1-6.437-5.87c7.214-7.889 14.423-17.06 21.459-27.246c12.376-1.098 24.068-2.894 34.671-5.345a134.17 134.17 0 0 1 1.386 6.193ZM87.276 214.515c-7.882 2.783-14.16 2.863-17.955.675c-8.075-4.657-11.432-22.636-6.853-46.752a156.923 156.923 0 0 1 1.869-8.499c10.486 2.32 22.093 3.988 34.498 4.994c7.084 9.967 14.501 19.128 21.976 27.15a134.668 134.668 0 0 1-4.877 4.492c-9.933 8.682-19.886 14.842-28.658 17.94ZM50.35 144.747c-12.483-4.267-22.792-9.812-29.858-15.863c-6.35-5.437-9.555-10.836-9.555-15.216c0-9.322 13.897-21.212 37.076-29.293c2.813-.98 5.757-1.905 8.812-2.773c3.204 10.42 7.406 21.315 12.477 32.332c-5.137 11.18-9.399 22.249-12.634 32.792a134.718 134.718 0 0 1-6.318-1.979Zm12.378-84.26c-4.811-24.587-1.616-43.134 6.425-47.789c8.564-4.958 27.502 2.111 47.463 19.835a144.318 144.318 0 0 1 3.841 3.545c-7.438 7.987-14.787 17.08-21.808 26.988c-12.04 1.116-23.565 2.908-34.161 5.309a160.342 160.342 0 0 1-1.76-7.887Zm110.427 27.268a347.8 347.8 0 0 0-7.785-12.803c8.168 1.033 15.994 2.404 23.343 4.08c-2.206 7.072-4.956 14.465-8.193 22.045a381.151 381.151 0 0 0-7.365-13.322Zm-45.032-43.861c5.044 5.465 10.096 11.566 15.065 18.186a322.04 322.04 0 0 0-30.257-.006c4.974-6.559 10.069-12.652 15.192-18.18ZM82.802 87.83a323.167 323.167 0 0 0-7.227 13.238c-3.184-7.553-5.909-14.98-8.134-22.152c7.304-1.634 15.093-2.97 23.209-3.984a321.524 321.524 0 0 0-7.848 12.897Zm8.081 65.352c-8.385-.936-16.291-2.203-23.593-3.793c2.26-7.3 5.045-14.885 8.298-22.6a321.187 321.187 0 0 0 7.257 13.246c2.594 4.48 5.28 8.868 8.038 13.147Zm37.542 31.03c-5.184-5.592-10.354-11.779-15.403-18.433c4.902.192 9.899.29 14.978.29c5.218 0 10.376-.117 15.453-.343c-4.985 6.774-10.018 12.97-15.028 18.486Zm52.198-57.817c3.422 7.8 6.306 15.345 8.596 22.52c-7.422 1.694-15.436 3.058-23.88 4.071a382.417 382.417 0 0 0 7.859-13.026a347.403 347.403 0 0 0 7.425-13.565Zm-16.898 8.101a358.557 358.557 0 0 1-12.281 19.815a329.4 329.4 0 0 1-23.444.823c-7.967 0-15.716-.248-23.178-.732a310.202 310.202 0 0 1-12.513-19.846h.001a307.41 307.41 0 0 1-10.923-20.627a310.278 310.278 0 0 1 10.89-20.637l-.001.001a307.318 307.318 0 0 1 12.413-19.761c7.613-.576 15.42-.876 23.31-.876H128c7.926 0 15.743.303 23.354.883a329.357 329.357 0 0 1 12.335 19.695a358.489 358.489 0 0 1 11.036 20.54a329.472 329.472 0 0 1-11 20.722Zm22.56-122.124c8.572 4.944 11.906 24.881 6.52 51.026c-.344 1.668-.73 3.367-1.15 5.09c-10.622-2.452-22.155-4.275-34.23-5.408c-7.034-10.017-14.323-19.124-21.64-27.008a160.789 160.789 0 0 1 5.888-5.4c18.9-16.447 36.564-22.941 44.612-18.3ZM128 90.808c12.625 0 22.86 10.235 22.86 22.86s-10.235 22.86-22.86 22.86s-22.86-10.235-22.86-22.86s10.235-22.86 22.86-22.86Z"></path></svg>

src/DataStreamSuite/Bts.DataStreamWebApp.Client/src/index.css

@@ -1,68 +0,0 @@
-:root {
-  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
-  line-height: 1.5;
-  font-weight: 400;
-
-  color-scheme: light dark;
-  color: rgba(255, 255, 255, 0.87);
-  background-color: #242424;
-
-  font-synthesis: none;
-  text-rendering: optimizeLegibility;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-}
-
-a {
-  font-weight: 500;
-  color: #646cff;
-  text-decoration: inherit;
-}
-a:hover {
-  color: #535bf2;
-}
-
-body {
-  margin: 0;
-  display: flex;
-  place-items: center;
-  min-width: 320px;
-  min-height: 100vh;
-}
-
-h1 {
-  font-size: 3.2em;
-  line-height: 1.1;
-}
-
-button {
-  border-radius: 8px;
-  border: 1px solid transparent;
-  padding: 0.6em 1.2em;
-  font-size: 1em;
-  font-weight: 500;
-  font-family: inherit;
-  background-color: #1a1a1a;
-  cursor: pointer;
-  transition: border-color 0.25s;
-}
-button:hover {
-  border-color: #646cff;
-}
-button:focus,
-button:focus-visible {
-  outline: 4px auto -webkit-focus-ring-color;
-}
-
-@media (prefers-color-scheme: light) {
-  :root {
-    color: #213547;
-    background-color: #ffffff;
-  }
-  a:hover {
-    color: #747bff;
-  }
-  button {
-    background-color: #f9f9f9;
-  }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Client/src/main.jsx

@@ -1,10 +0,0 @@
-import React from 'react'
-import ReactDOM from 'react-dom/client'
-import {Home} from './App.jsx'
-import './index.css'
-
-ReactDOM.createRoot(document.getElementById('root')).render(
-  <React.StrictMode>
-    <Home />
-  </React.StrictMode>,
-)

src/DataStreamSuite/Bts.DataStreamWebApp.Client/vite.config.js

@@ -1,60 +0,0 @@
-import { fileURLToPath, URL } from 'node:url';
-
-import { defineConfig } from 'vite';
-import plugin from '@vitejs/plugin-react';
-import fs from 'fs';
-import path from 'path';
-import child_process from 'child_process';
-
-const baseFolder =
-    process.env.APPDATA !== undefined && process.env.APPDATA !== ''
-        ? `${process.env.APPDATA}/ASP.NET/https`
-        : `${process.env.HOME}/.aspnet/https`;
-
-const certificateArg = process.argv.map(arg => arg.match(/--name=(?<value>.+)/i)).filter(Boolean)[0];
-const certificateName = certificateArg ? certificateArg.groups.value : "bts.datastreamwebapp.client";
-
-if (!certificateName) {
-    console.error('Invalid certificate name. Run this script in the context of an npm/yarn script or pass --name=<<app>> explicitly.')
-    process.exit(-1);
-}
-
-const certFilePath = path.join(baseFolder, `${certificateName}.pem`);
-const keyFilePath = path.join(baseFolder, `${certificateName}.key`);
-
-if (!fs.existsSync(certFilePath) || !fs.existsSync(keyFilePath)) {
-    if (0 !== child_process.spawnSync('dotnet', [
-        'dev-certs',
-        'https',
-        '--export-path',
-        certFilePath,
-        '--format',
-        'Pem',
-        '--no-password',
-    ], { stdio: 'inherit', }).status) {
-        throw new Error("Could not create certificate.");
-    }
-}
-
-// https://vitejs.dev/config/
-export default defineConfig({
-    plugins: [plugin()],
-    resolve: {
-        alias: {
-            '@': fileURLToPath(new URL('./src', import.meta.url))
-        }
-    },
-    server: {
-        proxy: {
-            '^/weatherforecast': {
-                target: 'https://localhost:7128/',
-                secure: false
-            }
-        },
-        port: 5173,
-        https: {
-            key: fs.readFileSync(keyFilePath),
-            cert: fs.readFileSync(certFilePath),
-        }
-    }
-})

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Bts.DataStreamWebApp.Server.csproj

@@ -1,35 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
-
-  <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
-    <Nullable>enable</Nullable>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <InvariantGlobalization>true</InvariantGlobalization>
-    <SpaRoot>..\Bts.DataStreamWebApp.Client</SpaRoot>
-    <SpaProxyLaunchCommand>npm run dev</SpaProxyLaunchCommand>
-    <SpaProxyServerUrl>https://localhost:5173</SpaProxyServerUrl>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="CommandLineParser" Version="2.9.1" />
-    <PackageReference Include="Microsoft.AspNetCore.SpaProxy">
-      <Version>8.*-*</Version>
-    </PackageReference>
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\Bts.DataStreamWebApp.Client\Bts.DataStreamWebApp.Client.esproj">
-      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
-    </ProjectReference>
-    <ProjectReference Include="..\DataStream\DataStream.csproj" />
-    <ProjectReference Include="..\SharedStreams\SharedStreams.csproj" />
-    <ProjectReference Include="..\..\client\spark_api\spark_api.csproj" />
-    <ProjectReference Include="..\..\client\spark_websocket\spark_websocket.csproj" />
-  </ItemGroup>
-
-  <!-- <ItemGroup>
-    <Content Update="wwwroot\alt-index.html" CopyToPublishDirectory="Never" />
-  </ItemGroup> -->
-</Project>

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Bts.DataStreamWebApp.Server.http

@@ -1,6 +0,0 @@
-@Bts.DataStreamWebApp.Server_HostAddress = http://localhost:5268
-
-GET {{Bts.DataStreamWebApp.Server_HostAddress}}/weatherforecast/
-Accept: application/json
-
-###

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Controllers/DataStreamSubscriptionController.cs

@@ -1,107 +0,0 @@
-namespace Bts.DataStreamWebApp.Server.Controllers;
-
-using BCG;
-
-using bts.api.core;
-using bts.websocket_core.json_rpc;
-
-using Bts.DataStreamExpressions;
-
-using Microsoft.AspNetCore.Mvc;
-
-using Spark.Core.Disposables;
-
-using System.Net.WebSockets;
-using System.Text;
-using System.Text.Json;
-
-[Route("/ws")]
-public class DataStreamSubscriptionController(ILogger<DataStreamSubscriptionController> logger) : ControllerBase {
-   readonly ILogger<DataStreamSubscriptionController> logger = logger;
-   IDisposable? streamSubscription;
-
-   [Route("/ws")]
-   public async Task Get() {
-      if (!HttpContext.WebSockets.IsWebSocketRequest) {
-         logger.LogError("Expected websocket request on path '{}'", HttpContext.Request.Path);
-         return;
-      }
-      Console.WriteLine("Establishing websocket connection...");
-      using var webSocket = await HttpContext.WebSockets.AcceptWebSocketAsync();
-      Console.WriteLine($"Websocket connection established.");
-      await runWebSocketServer(null, "bts", string.Empty, webSocket);
-   }
-
-   public static async Task Echo(WebSocket webSocket) {
-      var buffer = new byte[1024 * 4];
-      var receiveResult = await webSocket.ReceiveAsync(
-          new ArraySegment<byte>(buffer), CancellationToken.None);
-
-      while (!receiveResult.CloseStatus.HasValue) {
-         await webSocket.SendAsync(
-             new ArraySegment<byte>(buffer, 0, receiveResult.Count),
-             receiveResult.MessageType,
-             receiveResult.EndOfMessage,
-             CancellationToken.None);
-
-         receiveResult = await webSocket.ReceiveAsync(
-             new ArraySegment<byte>(buffer), CancellationToken.None);
-      }
-
-      await webSocket.CloseAsync(
-          receiveResult.CloseStatus.Value,
-          receiveResult.CloseStatusDescription,
-          CancellationToken.None);
-   }
-
-   async Task<int> runWebSocketServer(string? sparkd, string user, string password, WebSocket webSocket) {
-      var context = ServiceContext.create(sparkd);
-      await context.login(user, password);
-      var buffer = new byte[1024 * 4];
-      var receiveResult = await webSocket.ReceiveAsync(
-          new ArraySegment<byte>(buffer), CancellationToken.None);
-
-      try {
-         while (!receiveResult.CloseStatus.HasValue) {
-            receiveResult = await webSocket.ReceiveAsync(
-                new ArraySegment<byte>(buffer), CancellationToken.None);
-            var msg = Encoding.UTF8.GetString(buffer, 0, receiveResult.Count);
-            var rpcReq = JsonSerializer.Deserialize<JsonRpcRequest<DataStreamSubscription>>(msg);
-            var query = rpcReq?.Params?.Query ?? throw new InvalidOperationException(
-               "Failed to parse JsonRpcRequest.Params");
-            var exp = DataStreamExpressionsInterpreter.Evaluate(query);
-            if (exp is null) {
-               Console.WriteLine($"Invalid query expression: {query}.");
-               continue;
-            }
-            var vs = exp.getView(new Dictionary<string, StatementExpression>(0));
-            Disposable.dispose(ref streamSubscription);
-            vs.onChange += OnStreamChanged;
-            streamSubscription = Disposable.Create(() => vs.onChange -= OnStreamChanged);
-         }
-      } catch (Exception ex) {
-         Console.WriteLine($"Exception on WebsocketServer thread: {ex}");
-         return 1;
-      }
-
-      return 0;
-
-      async void OnStreamChanged(object newValue) {
-         if (newValue is not DataPacket dp) {
-            Console.WriteLine(
-               $"OnStreamChanged delegate expected DataPacket (actually received {newValue?.GetType()}.");
-            return;
-         }
-         Console.WriteLine("Received stream update.");
-         var added_rows_str = dp.addedRows.get_printed_rows(val => val.Length);
-         var msg = $"Received new rows:\n{added_rows_str}";
-         var encoded = Encoding.UTF8.GetBytes(msg);
-         var payload = new ArraySegment<byte>(encoded, 0, encoded.Length);
-         await webSocket.SendAsync(
-             payload,
-             receiveResult.MessageType,
-             receiveResult.EndOfMessage,
-             CancellationToken.None);
-      }
-   }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Controllers/WeatherForecastController.cs

@@ -1,22 +0,0 @@
-namespace Bts.DataStreamWebApp.Server.Controllers;
-using Microsoft.AspNetCore.Mvc;
-
-[ApiController]
-[Route("[controller]")]
-public class WeatherForecastController(ILogger<WeatherForecastController> logger) : ControllerBase {
-   static readonly string[] Summaries = [
-      "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
-   ];
-
-   readonly ILogger<WeatherForecastController> _logger = logger;
-
-   [HttpGet(Name = "GetWeatherForecast")]
-   public IEnumerable<WeatherForecast> Get() {
-      return Enumerable.Range(1, 5).Select(index => new WeatherForecast {
-         Date = DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
-         TemperatureC = Random.Shared.Next(-20, 55),
-         Summary = Summaries[Random.Shared.Next(Summaries.Length)]
-      })
-      .ToArray();
-   }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/DataStreamSubscription.cs

@@ -1,8 +0,0 @@
-namespace Bts.DataStreamWebApp.Server;
-
-using System.Text.Json.Serialization;
-
-public class DataStreamSubscription {
-   [JsonPropertyName("query")]
-   public string? Query { get; set; }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/DataStreamUpdate.cs

@@ -1,8 +0,0 @@
-namespace Bts.DataStreamWebApp.Server;
-
-using BCG;
-
-class DataStreamUpdate {
-   public List<IBlueRow> addedRows { get; set; } = new(0);
-   public List<IBlueRow> deletedRows { get; set; } = new(0);
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/DataStreamWebAppServerOptions.cs

@@ -1,14 +0,0 @@
-namespace Bts.DataStreamWebApp.Server;
-
-using CommandLine;
-
-class DataStreamWebAppServerOptions {
-   [Option("sparkd")]
-   public string? sparkd { get; set; }
-
-   [Option("user", Default = "bts")]
-   public string? user { get; set; }
-
-   [Option("password", Default = "")]
-   public string? password { get; set; }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/DataStreamWebsocketHandler.cs

@@ -1,58 +0,0 @@
-using Microsoft.AspNetCore.Http;
-using Microsoft.Extensions.Logging;
-
-using System;
-using System.Net.WebSockets;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace Bts.DataStreamWebApp.Server {
-   // public class DataStreamWebSocketHandler {
-   //    readonly WebSocketConnectionManager _connectionManager = new();
-   //    readonly ILogger<DataStreamWebSocketHandler> _logger;
-
-   //    public DataStreamWebSocketHandler(
-   //       WebSocketConnectionManager connectionManager,
-   //       ILogger<DataStreamWebSocketHandler> logger
-   //    ) {
-   //       _connectionManager = connectionManager;
-   //       _logger = logger;
-   //    }
-
-   //    public async Task HandleWebSocket(HttpContext context, WebSocket webSocket) {
-   //       var socketId = _connectionManager.AddSocket(webSocket);
-
-   //       _logger.LogInformation($"WebSocket connection established with ID {socketId}");
-
-   //       while (webSocket.State == WebSocketState.Open) {
-   //          var message = await ReceiveMessageAsync(webSocket);
-   //          if (message != null) {
-   //             _logger.LogInformation($"Received message from ID {socketId}: {message}");
-   //             await BroadcastMessageAsync(message);
-   //          }
-   //       }
-
-   //       _connectionManager.RemoveSocket(socketId);
-   //       _logger.LogInformation($"WebSocket connection closed with ID {socketId}");
-   //    }
-
-   //    async Task<string?> ReceiveMessageAsync(WebSocket webSocket) {
-   //       var buffer = new byte[1024];
-   //       var result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
-
-   //       if (result.CloseStatus.HasValue) {
-   //          return null;
-   //       }
-
-   //       return System.Text.Encoding.UTF8.GetString(buffer, 0, result.Count);
-   //    }
-
-   //    async Task BroadcastMessageAsync(string message) {
-   //       foreach (var socket in _connectionManager.GetAllSockets()) {
-   //          if (socket.Value.State == WebSocketState.Open) {
-   //             await socket.Value.SendAsync(System.Text.Encoding.UTF8.GetBytes(message), WebSocketMessageType.Text, true, CancellationToken.None);
-   //          }
-   //       }
-   //    }
-   // }
-}