GMDL use_given_sec_key set to true to enable replay data to play without copying md and keys table

* Unifies log message structure for improved readability
* Grants us runtime control over log levels via config

.config/dotnet-tools.json

@@ -9,7 +9,7 @@
       ]
     },
     "fable": {
-      "version": "4.0.6",
+      "version": "4.24.0",
       "commands": [
         "fable"
       ]
@@ -27,4 +27,4 @@
       ]
     }
   }
-}
+}

.devcontainer/Dockerfile

@@ -66,7 +66,6 @@ RUN \
 
 # Dotnet
 RUN apt-get update && apt-get install -y dotnet7
-RUN apt-get update && apt-get install -y dotnet8
 
 # Node
 ARG node_major=18
@@ -88,6 +87,9 @@ RUN dpkg -i /emumba/emumba-deribit-connector-3.3.1-Linux.LICENSE_DISABLED.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
+
 # Set up default executables (update-alternatives)
 RUN \
    update-alternatives --install /usr/bin/clang clang /usr/bin/clang-$clang_major 100; \

.devcontainer/devcontainer.json

@@ -1,15 +1,10 @@
 {
   "dockerFile": "Dockerfile",
-  // Creates local dir to mount to HOME in docker 
-  "initializeCommand": "mkdir -p ${localEnv:HOME}/.bts/devcontainer-mounts/${devcontainerId}",
   "hostRequirements": {
-    "memory": "4gb",
-    "storage": "6gb"
+    "memory": "8gb",
+    "storage": "10gb"
   },
-  "postCreateCommand": "/home/bts/spark/docker/sparkd/dev/devcontainer_post_create.sh",
   "containerUser": "bts",
-  "workspaceMount": "source=${localWorkspaceFolder},target=/home/bts/spark,type=bind",
-  "workspaceFolder": "/home/bts/spark",
   "updateRemoteUserUID": true,
   "shutdownAction": "none",
   // Note: If running multiple containers on the same host, each must use a
@@ -17,15 +12,7 @@
   // example, if 8000-8003 is taken, go with 9000-9003, then 10000-10003, etc.
   "runArgs": [
     "--shm-size",
-    "2gb",
-    "-p",
-    "5000:5000",
-    "-p",
-    "5001:5001",
-    "-p",
-    "5173:5173",
-    "-p",
-    "5174:5174",
+    "8gb",
     "-p",
     "8000:8000",
     "-p",
@@ -35,23 +22,16 @@
     "-p",
     "8003:8003",
     "-p",
-    "12345:12345",
-  ],
-  "mounts": [
-    "source=${localEnv:HOME}/.bts/devcontainer-mounts/${devcontainerId},target=/home/bts,type=bind"
+    "12345:12345"
   ],
   "customizations": {
     "vscode": {
-      "settings": {
-        "clangd.arguments": [
-          "--compile-commands-dir=${workspaceFolder}/build/clang/debug"
-        ]
-      },
       "extensions": [
         "eamodio.gitlens",
         "llvm-vs-code-extensions.vscode-clangd",
         "ms-vscode.cmake-tools",
-        "ms-vscode.cpptools"
+        "ms-vscode.cpptools",
+        "xaver.clang-format"
       ]
     }
   }

.editorconfig

@@ -207,23 +207,17 @@ dotnet_naming_symbols.parameters.applicable_accessibilities = public,internal,pr
 dotnet_naming_symbols.private_symbols.applicable_kinds = property,method,field,event,delegate
 dotnet_naming_symbols.private_symbols.applicable_accessibilities = protected,private
 
-# local symbols
-dotnet_naming_symbols.local_symbols.applicable_kinds = local
-
-# parameter symbols
-dotnet_naming_symbols.parameter_symbols.applicable_kinds = parameter
-
 # Naming styles
 
-dotnet_naming_style.pascal_case.required_prefix =
-dotnet_naming_style.pascal_case.required_suffix =
-dotnet_naming_style.pascal_case.word_separator =
-dotnet_naming_style.pascal_case.capitalization = pascal_case
+dotnet_naming_style.snake_case.required_prefix =
+dotnet_naming_style.snake_case.required_suffix =
+dotnet_naming_style.snake_case.word_separator = _
+dotnet_naming_style.snake_case.capitalization = all_lower
 
-dotnet_naming_style.camel_case.required_prefix =
-dotnet_naming_style.camel_case.required_suffix =
-dotnet_naming_style.camel_case.word_separator =
-dotnet_naming_style.camel_case.capitalization = camel_case
+dotnet_naming_style.private_snake_case.required_prefix = _
+dotnet_naming_style.private_snake_case.required_suffix =
+dotnet_naming_style.private_snake_case.word_separator = _
+dotnet_naming_style.private_snake_case.capitalization = all_lower
 
 dotnet_naming_style.user_types.required_prefix =
 dotnet_naming_style.user_types.required_suffix =
@@ -235,10 +229,6 @@ dotnet_naming_style.interface.required_suffix =
 dotnet_naming_style.interface.word_separator =
 dotnet_naming_style.interface.capitalization = pascal_case
 
-dotnet_naming_style.local.capitalization = camel_case
-
-dotnet_naming_style.parameter.capitalization = camel_case
-
 # rules
 dotnet_naming_rule.user_types.symbols = user_types
 dotnet_naming_rule.user_types.style = user_types
@@ -248,18 +238,14 @@ dotnet_naming_rule.interfaces.symbols = interface
 dotnet_naming_rule.interfaces.style = interface_style
 dotnet_naming_rule.interfaces.severity = suggestion
 
-dotnet_naming_rule.public_members.symbols = public_symbols
-dotnet_naming_rule.public_members.style = pascal_case
-dotnet_naming_rule.public_members.severity = suggestion
+dotnet_naming_rule.public_members_snake_case.symbols = public_symbols
+dotnet_naming_rule.public_members_snake_case.style = snake_case
+dotnet_naming_rule.public_members_snake_case.severity = suggestion
 
-dotnet_naming_rule.private_members.symbols = private_symbols
-dotnet_naming_rule.private_members.style = camel_case
-dotnet_naming_rule.private_members.severity = suggestion
+dotnet_naming_rule.private_members_snake_case.symbols = private_symbols
+dotnet_naming_rule.private_members_snake_case.style = private_snake_case
+dotnet_naming_rule.private_members_snake_case.severity = suggestion
 
-dotnet_naming_rule.variables_are_camel_case.severity = suggestion
-dotnet_naming_rule.variables_are_camel_case.symbols = local_symbols
-dotnet_naming_rule.variables_are_camel_case.style = local
-
-dotnet_naming_rule.parameters.symbols = parameter_symbols
-dotnet_naming_rule.parameters.style = parameter
+dotnet_naming_rule.parameters.symbols = parameters
+dotnet_naming_rule.parameters.style = snake_case
 dotnet_naming_rule.parameters.severity = suggestion

.gitmodules

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

.vscode/launch.json

@@ -6,35 +6,6 @@
       "type": "coreclr",
       "request": "attach"
     },
-    {
-      "name": "Bts.DataStreamWebApp.Server",
-      "type": "coreclr",
-      "request": "launch",
-      "preLaunchTask": "Build DataStream WebApp (Debug)",
-      "program": "${workspaceFolder}/build/Debug/bin/net8.0/Bts.DataStreamWebApp.Server.dll",
-      "args": [
-        "--sparkd",
-        "http://localhost:8000/config",
-      ],
-      "env": {
-        "ASPNETCORE_ENVIRONMENT": "Development",
-        "ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.SpaProxy",
-      }
-    },
-    {
-      "name": "Bts.DataStreamWebApp.Server (Skip Build)",
-      "type": "coreclr",
-      "request": "launch",
-      "program": "${workspaceFolder}/build/Debug/bin/net8.0/Bts.DataStreamWebApp.Server.dll",
-      // "args": [
-      //   "--config",
-      //   "${workspaceFolder}/src/DataStreamSuite/Bts.DataStreamWebApp.Server/Configurations/DevServer.json",
-      // ],
-      "env": {
-        "ASPNETCORE_ENVIRONMENT": "Development",
-        "ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.SpaProxy",
-      }
-    },
     {
       "name": "DataStreamPublisher",
       "type": "coreclr",
@@ -51,34 +22,59 @@
         "--config",
         "${workspaceFolder}/src/DataStreamSuite/DataStreamPublisher/Configurations/${input:dataStreamPublisherConfig}.json"
       ],
-      "cwd": "${workspaceFolder}/build/Debug/bin/net7.0",
+      "cwd": "build/Debug/bin/net7.0",
       "stopAtEntry": false,
       "console": "integratedTerminal"
     },
     {
-      "name": "DataStreamPublisher (Skip Build)",
-      "type": "coreclr",
+      "name": "(gdb) Launch",
+      "type": "cppdbg",
       "request": "launch",
-      "program": "",
-      "linux": {
-        "program": "DataStreamPublisher",
-      },
-      "windows": {
-        "program": "DataStreamPublisher.exe",
-      },
+      "program": "/home/bts/spark/build/sparkd-debug-clang/server/sparkd",
       "args": [
-        "--config",
-        "${workspaceFolder}/src/DataStreamSuite/DataStreamPublisher/Configurations/${input:dataStreamPublisherConfig}.json"
+        "run"
       ],
-      "cwd": "${workspaceFolder}/build/Debug/bin/net7.0",
       "stopAtEntry": false,
-      "console": "integratedTerminal"
+      "cwd": "/home/bts/spark/build/sparkd-debug-clang/server",
+      "environment": [],
+      "externalConsole": false,
+      "MIMode": "gdb",
+    },
+    {
+      "name": "spreader tests2",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "/home/bts/spark/build/sparkd-debug-clang/server/sparkd",
+      "args": [
+        "test",
+        "[spreader2]"
+      ],
+      "stopAtEntry": false,
+      "cwd": "/home/bts/spark/build/sparkd-debug-clang/server",
+      "environment": [],
+      "externalConsole": false,
+      "MIMode": "gdb",
+    },
+    {
+      "name": "spreader tests",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "/home/bts/spark/build/sparkd-debug-clang/server/sparkd",
+      "args": [
+        "test",
+        "[spreader]"
+      ],
+      "stopAtEntry": false,
+      "cwd": "/home/bts/spark/build/sparkd-debug-clang/server",
+      "environment": [],
+      "externalConsole": false,
+      "MIMode": "gdb",
     },
     {
       "name": "DataStreamQueryAnalyzer",
       "type": "coreclr",
       "request": "launch",
-      "preLaunchTask": "Build DataStreamQueryAnalyzer (Debug)",
+      //"preLaunchTask": "Build DataStreamQueryAnalyzer (Debug)",
       "program": "",
       "windows": {
         "program": "DataStreamQueryAnalyzer.exe",
@@ -114,25 +110,6 @@
       "stopAtEntry": false,
       "console": "integratedTerminal"
     },
-    {
-      "name": "PubSubServer (Skip Build)",
-      "type": "coreclr",
-      "request": "launch",
-      "program": "",
-      "linux": {
-        "program": "PubSubServer",
-      },
-      "windows": {
-        "program": "PubSubServer.exe",
-      },
-      "args": [
-        "--config",
-        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json"
-      ],
-      "cwd": "build/Debug/bin/net7.0",
-      "stopAtEntry": false,
-      "console": "integratedTerminal"
-    },
     {
       "name": "Spark",
       "type": "coreclr",
@@ -146,6 +123,18 @@
       "stopAtEntry": false,
       "console": "integratedTerminal"
     },
+    {
+      "name": "Spark (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "windows": {
+        "program": "Spark.exe",
+        "cwd": "build/Debug/bin/net7.0-windows",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
     {
       "name": "Spark (Parameterized)",
       "type": "coreclr",
@@ -164,21 +153,138 @@
       "console": "integratedTerminal"
     },
     {
-      "name": "Sparkd",
+      "name": "Spark Test",
       "type": "coreclr",
       "request": "launch",
-      "preLaunchTask": "Build Sparkd (Debug | Clang)",
       "program": "",
-      "linux": {
-        "program": "sparkd",
+      "windows": {
+        "preLaunchTask": "Build Spark (Debug)",
+        "program": "Spark.Console.exe",
+        "cwd": "build/Debug/bin/net7.0",
+        "args": [
+          "test",
+          "${input:sparkTest}"
+        ]
       },
-      "args": [
-        "run"
-      ],
-      "cwd": "build/sparkd-debug-clang/server",
       "stopAtEntry": false,
       "console": "integratedTerminal"
-    }
+    },
+    {
+      "name": "Spark Test (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "windows": {
+        "program": "Spark.Console.exe",
+        "cwd": "build/Debug/bin/net7.0",
+        "args": [
+          "test",
+          "${input:sparkTest}"
+        ]
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Sparkd",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "",
+      "linux": {
+        "preLaunchTask": "Build Sparkd (Debug)",
+        "program": "${workspaceFolder}/build/sparkd-debug-clang/server/sparkd",
+        "args": [
+          "run"
+        ],
+        "stopAtEntry": false,
+        "cwd": "${workspaceFolder}/build/sparkd-debug-clang/server",
+        "environment": [],
+        "externalConsole": false,
+        "MIMode": "gdb",
+        "setupCommands": [
+          {
+            "description": "Enable pretty-printing for gdb",
+            "text": "-enable-pretty-printing",
+            "ignoreFailures": true
+          }
+        ]
+      }
+    },
+    {
+      "name": "Sparkd (Skip Build)",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "",
+      "linux": {
+        "program": "${workspaceFolder}/build/sparkd-debug-clang/server/sparkd",
+        "args": [
+          "run"
+        ],
+        "stopAtEntry": false,
+        "cwd": "${workspaceFolder}/build/sparkd-debug-clang/server",
+        "environment": [],
+        "externalConsole": false,
+        "MIMode": "gdb",
+        "setupCommands": [
+          {
+            "description": "Enable pretty-printing for gdb",
+            "text": "-enable-pretty-printing",
+            "ignoreFailures": true
+          }
+        ]
+      }
+    },
+    {
+      "name": "Sparkd Test",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "",
+      "linux": {
+        "preLaunchTask": "Build Sparkd (Debug)",
+        "program": "${workspaceFolder}/build/sparkd-debug-clang/server/sparkd",
+        "args": [
+          "test",
+          "${input:sparkdTest}",
+        ],
+        "stopAtEntry": false,
+        "cwd": "${workspaceFolder}/build/sparkd-debug-clang/server",
+        "environment": [],
+        "externalConsole": false,
+        "MIMode": "gdb",
+        "setupCommands": [
+          {
+            "description": "Enable pretty-printing for gdb",
+            "text": "-enable-pretty-printing",
+            "ignoreFailures": true
+          }
+        ]
+      }
+    },
+    {
+      "name": "Sparkd Test (Skip Build)",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "",
+      "linux": {
+        "program": "${workspaceFolder}/build/sparkd-debug-clang/server/sparkd",
+        "args": [
+          "test",
+          "${input:sparkdTest}",
+        ],
+        "stopAtEntry": false,
+        "cwd": "${workspaceFolder}/build/sparkd-debug-clang/server",
+        "environment": [],
+        "externalConsole": false,
+        "MIMode": "gdb",
+        "setupCommands": [
+          {
+            "description": "Enable pretty-printing for gdb",
+            "text": "-enable-pretty-printing",
+            "ignoreFailures": true
+          }
+        ]
+      }
+    },
   ],
   "inputs": [
     {
@@ -209,5 +315,15 @@
       "description": "Config Server URL",
       "default": "http://localhost:8000/config",
     },
+    {
+      "id": "sparkTest",
+      "type": "promptString",
+      "description": "Test to run",
+    },
+    {
+      "id": "sparkdTest",
+      "type": "promptString",
+      "description": "Test to run",
+    },
   ]
 }

.vscode/tasks.json

@@ -121,97 +121,6 @@
         "color": "terminal.ansiCyan"
       },
     },
-    {
-      "label": "Build DataStreamQueryAnalyzer",
-      "group": "build",
-      "type": "process",
-      "command": "",
-      "windows": {
-        "command": "tools/build_data_stream_query_analyzer.cmd",
-      },
-      "args": [
-        "--configuration",
-        "${input:buildConfiguration}",
-      ],
-      "icon": {
-        "id": "terminal",
-        "color": "terminal.ansiCyan"
-      },
-    },
-    {
-      "label": "Build DataStreamQueryAnalyzer (Debug)",
-      "group": "build",
-      "type": "process",
-      "command": "",
-      "windows": {
-        "command": "tools/build_data_stream_query_analyzer.cmd",
-      },
-      "args": [
-        "--configuration",
-        "Debug",
-      ],
-      "icon": {
-        "id": "terminal",
-        "color": "terminal.ansiCyan"
-      },
-    },
-    {
-      "label": "Build DataStreamQueryAnalyzer (Release)",
-      "group": "build",
-      "type": "process",
-      "command": "",
-      "windows": {
-        "command": "tools/build_data_stream_query_analyzer.cmd",
-      },
-      "args": [
-        "--configuration",
-        "Release",
-      ],
-      "icon": {
-        "id": "terminal",
-        "color": "terminal.ansiCyan"
-      },
-    },
-    {
-      "label": "Build DataStream WebApp",
-      "group": "build",
-      "type": "process",
-      "command": "",
-      "linux": {
-        "command": "tools/build_data_stream_web_app.sh",
-      },
-      "windows": {
-        "command": "tools/build_data_stream_web_app.cmd",
-      },
-      "args": [
-        "--configuration",
-        "${input:buildConfiguration}",
-      ],
-      "icon": {
-        "id": "terminal",
-        "color": "terminal.ansiCyan"
-      },
-    },
-    {
-      "label": "Build DataStream WebApp (Debug)",
-      "group": "build",
-      "type": "process",
-      "command": "",
-      "linux": {
-        "command": "tools/build_data_stream_web_app.sh",
-      },
-      "windows": {
-        "command": "tools/build_data_stream_web_app.cmd",
-      },
-      "args": [
-        "--configuration",
-        "Debug",
-      ],
-      "icon": {
-        "id": "terminal",
-        "color": "terminal.ansiCyan"
-      },
-    },
     {
       "label": "Build Spark",
       "group": "build",
@@ -394,22 +303,6 @@
         "color": "terminal.ansiCyan"
       },
     },
-    {
-      "label": "Publish DataStreamWebApp",
-      "group": "build",
-      "type": "process",
-      "command": "",
-      "linux": {
-        "command": "tools/publish_data_stream_web_app.sh",
-      },
-      "windows": {
-        "command": "tools/publish_data_stream_web_app.cmd",
-      },
-      "icon": {
-        "id": "terminal",
-        "color": "terminal.ansiCyan"
-      },
-    },
     {
       "label": "Edit DataStream Config",
       "type": "process",
@@ -460,7 +353,7 @@
     },
     {
       "label": "Run DataStreamQueryAnalyzer",
-      "dependsOn": "Build DataStreamQueryAnalyzer",
+      "dependsOn": "Build DataStream",
       "type": "process",
       "command": "",
       "windows": {
@@ -480,7 +373,7 @@
     },
     {
       "label": "Run DataStreamQueryAnalyzer (Debug)",
-      "dependsOn": "Build DataStreamQueryAnalyzer (Debug)",
+      "dependsOn": "Build DataStream (Debug)",
       "type": "process",
       "command": "",
       "windows": {
@@ -500,7 +393,7 @@
     },
     {
       "label": "Run DataStreamQueryAnalyzer (Release)",
-      "dependsOn": "Build DataStreamQueryAnalyzer (Release)",
+      "dependsOn": "Build DataStream (Release)",
       "type": "process",
       "command": "",
       "windows": {
@@ -748,6 +641,21 @@
         "color": "terminal.ansiGreen",
       }
     },
+    {
+      "label": "Run Spark (Skip Build)",
+      "type": "process",
+      "command": "",
+      "windows": {
+        "command": "Spark.exe",
+        "options": {
+          "cwd": "${workspaceFolder}/build/${input:buildConfiguration}/bin/net7.0-windows"
+        },
+      },
+      "icon": {
+        "id": "run",
+        "color": "terminal.ansiGreen",
+      }
+    },
     {
       "label": "Run Spark Config Query",
       "dependsOn": "Build Spark",
@@ -791,6 +699,24 @@
         "color": "terminal.ansiGreen",
       },
     },
+    {
+      "label": "Run Sparkd (Skip Build)",
+      "type": "process",
+      "command": "",
+      "linux": {
+        "command": "sparkd",
+      },
+      "args": [
+        "run"
+      ],
+      "options": {
+        "cwd": "${workspaceFolder}/build/${input:sparkdCmakePreset}/server"
+      },
+      "icon": {
+        "id": "run",
+        "color": "terminal.ansiGreen",
+      },
+    },
     {
       "label": "Run Sparkd Config Query",
       "dependsOn": "Build Sparkd",
@@ -812,6 +738,65 @@
         "color": "terminal.ansiGreen",
       },
     },
+    {
+      "label": "Test Spark (Debug)",
+      "dependsOn": "Build Spark (Debug)",
+      "type": "process",
+      "icon": {
+        "id": "coverage",
+        "color": "terminal.ansiYellow",
+      },
+      "command": "",
+      "windows": {
+        "command": "Spark.Console.exe",
+        "args": [
+          "test",
+          "${input:sparkTest}"
+        ],
+        "options": {
+          "cwd": "${workspaceFolder}/build/Debug/bin/net7.0",
+        }
+      },
+    },
+    {
+      "label": "Test Sparkd",
+      "dependsOn": "Build Sparkd",
+      "type": "process",
+      "command": "",
+      "linux": {
+        "command": "sparkd",
+      },
+      "args": [
+        "test",
+        "${input:sparkdTest}",
+      ],
+      "options": {
+        "cwd": "${workspaceFolder}/build/${input:sparkdCmakePreset}/server"
+      },
+      "icon": {
+        "id": "coverage",
+        "color": "terminal.ansiYellow",
+      },
+    },
+    {
+      "label": "Test Sparkd (Skip Build)",
+      "type": "process",
+      "command": "",
+      "linux": {
+        "command": "sparkd",
+      },
+      "args": [
+        "test",
+        "${input:sparkdTest}",
+      ],
+      "options": {
+        "cwd": "${workspaceFolder}/build/${input:sparkdCmakePreset}/server"
+      },
+      "icon": {
+        "id": "coverage",
+        "color": "terminal.ansiYellow",
+      },
+    },
     {
       "label": "View DataStreamQueryAnalyzer Logs (Last Run)",
       "type": "process",
@@ -930,6 +915,16 @@
       "id": "sparkdConfigQuery",
       "type": "promptString",
       "description": "Config Type(s)"
-    }
+    },
+    {
+      "id": "sparkTest",
+      "type": "promptString",
+      "description": "Test to run",
+    },
+    {
+      "id": "sparkdTest",
+      "type": "promptString",
+      "description": "Test to run",
+    },
   ]
 }

CMakeLists.txt

@@ -1,5 +1,6 @@
 cmake_minimum_required(VERSION 3.12)
 project(spark)
+include(GNUInstallDirs)
 set(CMAKE_CXX_STANDARD 20)
 
 if(WIN32)
@@ -49,8 +50,6 @@ 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_SPARKD)
     # Note: All macros that begin w/ 'CCAPI' are ccapi's macros (defined and/or
@@ -89,9 +88,15 @@ 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")
@@ -111,6 +116,7 @@ else()
 
   # subdirs
   if (BUILD_SPARKD)
+    add_subdirectory(src/lib_binance_execution)
     add_subdirectory(src/server/sparkd)
     add_subdirectory(src/data_files)
   endif()
@@ -132,6 +138,8 @@ else()
       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 ${EXTERNALS_ROOT}/lib/${CMAKE_BUILD_TYPE}/libonixs-fix-engine.so.4 ${CMAKE_BINARY_DIR}/server
+      
       COMMAND
         ln ARGS -sf
         ${EXTERNALS_ROOT}/lib/Release/libOnixS.IceImpactMulticastPriceFeedHandlerCpp.so.3.16.0.0
@@ -145,11 +153,14 @@ else()
 
     install(
       DIRECTORY "${CMAKE_BINARY_DIR}/server/plugins"
-      DESTINATION "${SPARK_INSTALL_PREFIX}/bin")
+      DESTINATION "${CMAKE_INSTALL_BINDIR}")
     install(
       FILES
       "${SPARK_LIB}/libACE-5.7.5.so"
       "${SPARK_LIB}/libOnixS.IceImpactMulticastPriceFeedHandlerCpp.so.3.16.0.0"
-      DESTINATION "${SPARK_INSTALL_PREFIX}/bin")
+      "${SPARK_LIB}/libonixs-fix-engine.so.4.10.1"
+      "${SPARK_LIB}/libonixs-fix-engine.so.4"
+      "${SPARK_LIB}/libonixs-fix-engine.so"
+      DESTINATION "${CMAKE_INSTALL_BINDIR}")
   endif()
 endif()

CMakePresets.json

@@ -26,12 +26,14 @@
         "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_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
         "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/net7.0;${sourceDir}/build/$<CONFIG>/bin/net7.0-windows",
+        "DOTNET_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net7.0",
+        "DOTNET_WINDOWS_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net7.0-windows",
         "EXPORT_MD_CONSUMER": {
           "type": "BOOL",
           "value": "ON"
@@ -60,7 +62,7 @@
         },
         "CMAKE_CXX_STANDARD": "20",
         "CMAKE_INSTALL_RPATH": ".",
-        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}/sparkd",
+        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
         "CMAKE_EXE_LINKER_FLAGS": "-Wno-undef",
         "EXTERNALS_ROOT": "${sourceDir}/externals/linux",
         "BUILD_SDK": {
@@ -221,7 +223,6 @@
         "APP_DATA_DIR": "${dollar}{APPDATA}/bts/DataStream",
         "APP_DATA_DIR_OVERRIDE": "${dollar}{DATA_STREAM_DATA_DIR}",
         "CONFIG_DEFAULTS_PATH": "config/profiles/default/*.conf;config/profiles/data_stream/*.conf",
-        "DOTNET_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net7.0;${sourceDir}/build/$<CONFIG>/bin/net7.0-windows;${sourceDir}/build/$<CONFIG>/bin/net8.0",
         "SHARED_MEMORY_PREFIX": "data_stream"
       }
     },
@@ -258,7 +259,7 @@
         "CMAKE_CXX_FLAGS_RELEASE": "-fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -fno-omit-frame-pointer -DNDEBUG -O3",
         "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
         "CONFIG_DEFAULTS_PATH": "config/profiles/default/*.conf;config/profiles/data_stream/*.conf",
-        "DOTNET_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net7.0;${sourceDir}/build/$<CONFIG>/bin/net8.0",
+        "DOTNET_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net7.0",
         "EXPORT_MD_CONSUMER": {
           "type": "BOOL",
           "value": "ON"
@@ -302,16 +303,7 @@
         "lhs": "${hostSystemName}",
         "rhs": "Linux"
       },
-      "hidden": true,
-      "targets": [
-        "data_files_dir",
-        "admin_web_app_bundle",
-        "install",
-        "libspark",
-        "rapidjson_project",
-        "server_layout",
-        "sparkd"
-      ]
+      "hidden": true
     },
 
     {

Spark.Api.Server.sln

@@ -14,6 +14,34 @@ 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
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@@ -70,6 +98,102 @@ Global
 		{89D666E6-B500-498F-B026-4D167F68ADFC}.Release|x64.Build.0 = Release|x64
 		{89D666E6-B500-498F-B026-4D167F68ADFC}.RelWithDebInfo|x64.ActiveCfg = Debug|x64
 		{89D666E6-B500-498F-B026-4D167F68ADFC}.RelWithDebInfo|x64.Build.0 = Debug|x64
+		{EF26A475-6101-4C9C-A717-D60BB92A2302}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{EF26A475-6101-4C9C-A717-D60BB92A2302}.Debug|x64.Build.0 = Debug|Any CPU
+		{EF26A475-6101-4C9C-A717-D60BB92A2302}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{EF26A475-6101-4C9C-A717-D60BB92A2302}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{EF26A475-6101-4C9C-A717-D60BB92A2302}.Release|x64.ActiveCfg = Release|Any CPU
+		{EF26A475-6101-4C9C-A717-D60BB92A2302}.Release|x64.Build.0 = Release|Any CPU
+		{EF26A475-6101-4C9C-A717-D60BB92A2302}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{EF26A475-6101-4C9C-A717-D60BB92A2302}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{911B08A3-515A-441D-84C8-8A43740B5FC1}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{911B08A3-515A-441D-84C8-8A43740B5FC1}.Debug|x64.Build.0 = Debug|Any CPU
+		{911B08A3-515A-441D-84C8-8A43740B5FC1}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{911B08A3-515A-441D-84C8-8A43740B5FC1}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{911B08A3-515A-441D-84C8-8A43740B5FC1}.Release|x64.ActiveCfg = Release|Any CPU
+		{911B08A3-515A-441D-84C8-8A43740B5FC1}.Release|x64.Build.0 = Release|Any CPU
+		{911B08A3-515A-441D-84C8-8A43740B5FC1}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{911B08A3-515A-441D-84C8-8A43740B5FC1}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{14140310-2233-430A-821B-F3058A25234B}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{14140310-2233-430A-821B-F3058A25234B}.Debug|x64.Build.0 = Debug|Any CPU
+		{14140310-2233-430A-821B-F3058A25234B}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{14140310-2233-430A-821B-F3058A25234B}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{14140310-2233-430A-821B-F3058A25234B}.Release|x64.ActiveCfg = Release|Any CPU
+		{14140310-2233-430A-821B-F3058A25234B}.Release|x64.Build.0 = Release|Any CPU
+		{14140310-2233-430A-821B-F3058A25234B}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{14140310-2233-430A-821B-F3058A25234B}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{43146EA8-6FCC-46B8-88B0-42F9BB5E6E0A}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{43146EA8-6FCC-46B8-88B0-42F9BB5E6E0A}.Debug|x64.Build.0 = Debug|Any CPU
+		{43146EA8-6FCC-46B8-88B0-42F9BB5E6E0A}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{43146EA8-6FCC-46B8-88B0-42F9BB5E6E0A}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{43146EA8-6FCC-46B8-88B0-42F9BB5E6E0A}.Release|x64.ActiveCfg = Release|Any CPU
+		{43146EA8-6FCC-46B8-88B0-42F9BB5E6E0A}.Release|x64.Build.0 = Release|Any CPU
+		{43146EA8-6FCC-46B8-88B0-42F9BB5E6E0A}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{43146EA8-6FCC-46B8-88B0-42F9BB5E6E0A}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{6F22DB96-6EAB-4034-99D9-287021C36F01}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{6F22DB96-6EAB-4034-99D9-287021C36F01}.Debug|x64.Build.0 = Debug|Any CPU
+		{6F22DB96-6EAB-4034-99D9-287021C36F01}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{6F22DB96-6EAB-4034-99D9-287021C36F01}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{6F22DB96-6EAB-4034-99D9-287021C36F01}.Release|x64.ActiveCfg = Release|Any CPU
+		{6F22DB96-6EAB-4034-99D9-287021C36F01}.Release|x64.Build.0 = Release|Any CPU
+		{6F22DB96-6EAB-4034-99D9-287021C36F01}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{6F22DB96-6EAB-4034-99D9-287021C36F01}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{A5C33956-A41F-49B3-A41D-1082CBA59D02}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{A5C33956-A41F-49B3-A41D-1082CBA59D02}.Debug|x64.Build.0 = Debug|Any CPU
+		{A5C33956-A41F-49B3-A41D-1082CBA59D02}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{A5C33956-A41F-49B3-A41D-1082CBA59D02}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{A5C33956-A41F-49B3-A41D-1082CBA59D02}.Release|x64.ActiveCfg = Release|Any CPU
+		{A5C33956-A41F-49B3-A41D-1082CBA59D02}.Release|x64.Build.0 = Release|Any CPU
+		{A5C33956-A41F-49B3-A41D-1082CBA59D02}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{A5C33956-A41F-49B3-A41D-1082CBA59D02}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{2FE745C3-1EDF-4421-8CD7-A63EE0C1AE43}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{2FE745C3-1EDF-4421-8CD7-A63EE0C1AE43}.Debug|x64.Build.0 = Debug|Any CPU
+		{2FE745C3-1EDF-4421-8CD7-A63EE0C1AE43}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{2FE745C3-1EDF-4421-8CD7-A63EE0C1AE43}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{2FE745C3-1EDF-4421-8CD7-A63EE0C1AE43}.Release|x64.ActiveCfg = Release|Any CPU
+		{2FE745C3-1EDF-4421-8CD7-A63EE0C1AE43}.Release|x64.Build.0 = Release|Any CPU
+		{2FE745C3-1EDF-4421-8CD7-A63EE0C1AE43}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{2FE745C3-1EDF-4421-8CD7-A63EE0C1AE43}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.Debug|x64.Build.0 = Debug|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.Release|x64.ActiveCfg = Release|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.Release|x64.Build.0 = Release|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.Debug|x64.Build.0 = Debug|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.Release|x64.ActiveCfg = Release|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.Release|x64.Build.0 = Release|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.RelWithDebInfo|x64.Build.0 = Debug|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}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|x64.Build.0 = Debug|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}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Debug|x64.Build.0 = Debug|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Release|x64.ActiveCfg = Release|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Release|x64.Build.0 = Release|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Debug|x64.Build.0 = Debug|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Release|x64.ActiveCfg = Release|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Release|x64.Build.0 = Release|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -80,4 +204,19 @@ Global
 	GlobalSection(Performance) = preSolution
 		HasPerformanceSessions = true
 	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}
+		{B945A183-2174-4ACB-B289-8A5C546656FE} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
+		{39AEA075-6457-46C0-8821-1158BE6EFA57} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
+	EndGlobalSection
 EndGlobal

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 "${SPARK_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/api/service_compiler/plugin.py)
+  set(_template_fs ${CMAKE_SOURCE_DIR}/src/lib/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/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/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()

src/DataStreamSuite/ArithmeticExpressions/ArithmeticExpressionGrammar.y

@@ -8,6 +8,7 @@
    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/BlueRegistry/DoubleRegistryHandler.cs

@@ -1,7 +1,4 @@
 using System;
-using System.Runtime.InteropServices;
-using System.Runtime.Versioning;
-
 using Microsoft.Win32;
 
 namespace BCG
@@ -13,11 +10,13 @@ namespace BCG
          rk.SetValue (name, value.ToString ());
       }
 
-      [SupportedOSPlatform("windows")]
       public static double getValue (RegistryKey rk, string name)
       {
-         var str = rk.GetValue(name)?.ToString();
-         return str is not null && double.TryParse(str, out var dbl) ? dbl : double.NaN;
+         object v = rk.GetValue (name);
+         if (v != null) 
+            return double.Parse (v.ToString ());
+         else
+            return double.NaN;
       }
    }
 }

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: '18.3.1' } },
-  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>true</ShouldRunBuildScript>
-    <!-- Folder where production build objects will be placed -->
-    <PublishAssetsDirectory>$(MSBuildProjectDirectory)\distill</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/ico" href="/logo.ico" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>BTS Cloud Streams</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

@@ -1,38 +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": {
-    "@angular/material": "^18.0.4",
-    "@emotion/react": "^11.11.4",
-    "@emotion/styled": "^11.11.5",
-    "@fontsource/noto-sans": "^5.0.22",
-    "@material/data-table": "^15.0.0-canary.7f224ddd4.0",
-    "@mui/icons-material": "^5.15.20",
-    "@mui/material": "^5.15.20",
-    "@mui/x-data-grid": "^7.7.1",
-    "bulma": "^1.0.1",
-    "react": "^18.3.1",
-    "react-data-table-component": "^7.6.2",
-    "react-dom": "^18.3.1",
-    "react-use-websocket": "^4.8.1",
-    "rpc-websockets": "^7.11.2"
-  },
-  "devDependencies": {
-    "@types/react": "^18.3.3",
-    "@types/react-dom": "^18.3.0",
-    "@vitejs/plugin-react": "^4.3.1",
-    "eslint": "^8.57.0",
-    "eslint-plugin-react": "^7.34.2",
-    "eslint-plugin-react-hooks": "^4.6.2",
-    "eslint-plugin-react-refresh": "^0.4.7",
-    "vite": "^5.2.13"
-  }
-}

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

@@ -1,28 +0,0 @@
-@use "@material/checkbox";
-@use "@material/icon-button";
-@use "@material/data-table/data-table";
-
-h1#main-header {
-  padding: 4px 8px 4px 8px;
-  text-align: center;
-}
-
-td:hover {
-  background-color: cadetblue;
-}
-
-td#cell-decimal {
-  text-align: right;
-}
-
-td#cell-integer {
-  text-align: right;
-}
-
-td#cell-string {
-  text-align: center;
-}
-
-td#cell-date-time {
-  text-align: center;
-}

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

@@ -1,24 +0,0 @@
-import { createTheme, ThemeProvider, CssBaseline } from '@mui/material';
-import useMediaQuery from '@mui/material/useMediaQuery';
-import QueryControl from './QueryControl';
-import getTheme from './Theme';
-import '@fontsource/noto-sans';
-import './App.css';
-
-const App = () => {
-  const prefersDarkMode = useMediaQuery('(prefers-color-scheme: dark)');
-  const theme = getTheme({ mode: prefersDarkMode ? 'dark' : 'light' });
-
-  return (
-    <ThemeProvider theme={theme}>
-      <CssBaseline />
-      <h1 id='main-header' style={{
-        color: theme.palette.text.primary,
-        fontFamily: 'Noto Sans',
-      }}>BTS Cloud Streams</h1>
-      <QueryControl websocketUrl="ws://localhost:5000/ws" theme={theme} />
-    </ThemeProvider>
-  );
-};
-
-export default App;

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

@@ -1,32 +0,0 @@
-@use "@material/checkbox";
-@use "@material/icon-button";
-@use "@material/data-table/data-table";
-
-th {
-  font-size: large;  
-  padding: 15px;
-}
-
-td {
-  padding: 15px;
-}
-
-td:hover {
-  background-color: cadetblue;
-}
-
-td#cell-decimal {
-  text-align: right;
-}
-
-td#cell-integer {
-  text-align: right;
-}
-
-td#cell-string {
-  text-align: center;
-}
-
-td#cell-date-time {
-  text-align: center;
-}

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

@@ -1,52 +0,0 @@
-import PropTypes from 'prop-types';
-import { DataGrid } from '@mui/x-data-grid';
-
-function getGridColDef(col) {
-  return {
-    field: col.name,
-    headerName: col.name,
-  };
-}
-
-export default function DataTable({ columns, rows }) {
-  return (
-    <DataGrid
-      columns={columns.map(getGridColDef)}
-      rows={rows}
-      sx={{
-        borderColor: 'primary.main',
-        backgroundColor: 'primary.dark',
-        color: 'text.primary',
-        '& .MuiDataGrid-columnHeader': {
-          color: 'primary.main',
-          fontWeight: 700,
-          backgroundColor: 'primary.dark'
-        },
-        '& .MuiDataGrid-filler': {
-          color: 'primary.main',
-          fontWeight: 700,
-          backgroundColor: 'primary.dark'
-        },
-        '& .MuiDataGrid-cell': {
-          color: 'text.primary',
-        },
-        '& .MuiDataGrid-cell:hover': {
-          color: 'primary.main',
-        },
-        '& .MuiDataGrid-row': {
-          '--DataGrid-rowBorderColor': 'secondary.dark'
-        }
-      }}
-    />
-  );
-}
-
-DataTable.propTypes = {
-  columns: PropTypes.arrayOf(
-    PropTypes.shape({
-      name: PropTypes.string.isRequired,
-      type: PropTypes.string.isRequired,
-    })
-  ).isRequired,
-  rows: PropTypes.arrayOf(PropTypes.array).isRequired,
-};

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

@@ -1,100 +0,0 @@
-import PropTypes from 'prop-types';
-import DataTable from './DataTable';
-import QueryInputForm from './QueryInputForm';
-import Container from '@mui/material/Container';
-import React from 'react';
-
-var rpcReqIdCounter = 1;
-
-function subscribeReq(query) {
-  return {
-    jsonrpc: "2.0",
-    id: rpcReqIdCounter++,
-    method: "subscribe",
-    params: {
-      subscription_id: "1",
-      query: query
-    }
-  };
-}
-
-function unsubscribeReq() {
-  return {
-    jsonrpc: "2.0",
-    id: rpcReqIdCounter++,
-    method: "unsubscribe",
-    params: {
-      subscription_id: "1",
-    }
-  };
-}
-
-class QueryControl extends React.Component {
-  constructor({ websocketUrl, theme }) {
-    super(websocketUrl);
-    console.log('Connecting to WebSocket:', websocketUrl);
-    this.state = {
-      rows: null,
-      ws: new WebSocket(websocketUrl),
-      columns: null,
-      isRunning: false,
-      theme: theme,
-    };
-    this.state.ws.onopen = () => {
-      console.info('WebSocket open');
-    };
-    this.state.ws.onclose = () => {
-      console.info('WebSocket closed');
-    };
-    this.state.ws.onmessage = e => {
-      console.info(`Received message: ${e.data}`);
-      const msg = JSON.parse(e.data);
-      if (msg.id != null) {
-        let newState = { ...this.state };
-        newState.isRunning = msg.result.status == 'Subscribed';
-        this.setState(newState);
-      } else {
-        let newState = { ...this.state };
-        newState.rows = msg.params.all;
-        console.info(`Received rows: ${newState.rows}`);
-        newState.columns = msg.params.columns;
-        this.setState(newState);
-      }
-    };
-
-    this.start = (query) => {
-      this.state.ws.send(JSON.stringify(subscribeReq(query)));
-    };
-
-    this.stop = () => {
-      this.state.ws.send(JSON.stringify(unsubscribeReq()));
-    };
-  }
-
-  componentWillUnmount() {
-    if (this.state.ws) {
-      console.warn('Closing websocket because component is unmounting');
-      this.state.ws.close();
-    }
-  }
-
-  render() {
-    console.info('Rendering');
-    return (
-      <Container>
-        <QueryInputForm isRunning={this.state.isRunning} onStart={this.start} onStop={this.stop} />
-        {
-          this.state.rows == null ? <p style={{ color: this.state.theme.palette.warning.main }}>No data received</p> :
-            <DataTable columns={this.state.columns} rows={this.state.rows} />
-        }
-      </Container>
-    );
-  }
-}
-
-QueryControl.propTypes = {
-  websocketUrl: PropTypes.string.isRequired,
-  theme: PropTypes.object.isRequired,
-};
-
-export default QueryControl;

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

@@ -1,93 +0,0 @@
-import { useRef } from 'react';
-import Box from '@mui/material/Box';
-import Button from '@mui/material/Button';
-import Grid from '@mui/material/Grid';
-import Paper from '@mui/material/Paper';
-import PlayArrowIcon from '@mui/icons-material/PlayArrow';
-import PropTypes from 'prop-types';
-import StopIcon from '@mui/icons-material/Stop';
-import TextField from '@mui/material/TextField';
-import Tooltip from '@mui/material/Tooltip';
-
-const QueryInputForm = ({ isRunning, onStart, onStop }) => {
-  let textInput = useRef(null);
-
-  const onClearClick = () => {
-    textInput.current.value = '';
-  };
-
-  const onRunClick = () => {
-    onStart(textInput.current.value);
-  };
-
-  const onStopClick = () => {
-    onStop();
-  };
-
-  const onKeyDown = (e) => {
-    // Detect keyboard shortcuts.
-    //   Ctrl+Enter : Run
-    if (e.ctrlKey && e.key === 'Enter') {
-      onRunClick();
-    }
-  };
-
-  return (
-    <Box sx={{ p: 2 }}>
-      <Paper elevation={3} sx={{ color: 'primary.main' }}>
-        <Box sx={{ p: 2 }}>
-          <TextField
-            fullWidth
-            multiline
-            rows={10}
-            variant="outlined"
-            onKeyDown={onKeyDown}
-            inputRef={textInput}
-            placeholder="Enter Query..."
-          />
-        </Box>
-        <Box sx={{ p: 2, borderTop: 1 }}>
-          <Grid container spacing={2} justifyContent="flex-start">
-            <Grid item xs>
-              <Tooltip title="Clear Query Text">
-                <Button onClick={onClearClick} sx={{ padding: '11px', color: 'text.dark' }}>
-                  Clear
-                </Button>
-              </Tooltip>
-            </Grid>
-            <Grid item>
-              <Tooltip title="Run (Ctrl+Enter)">
-                <Button onClick={onRunClick} sx={{
-                  color: `query_start_button.${isRunning ? 'active' : 'inactive'}.color`,
-                  bgcolor: `query_start_button.${isRunning ? 'active' : 'inactive'}.background_color`,
-                  padding: '11px'
-                }}>
-                  <PlayArrowIcon />
-                </Button>
-              </Tooltip>
-            </Grid>
-            <Grid item>
-              <Tooltip title="Stop">
-                <Button onClick={onStopClick} sx={{
-                  color: `query_stop_button.${isRunning ? 'inactive' : 'active'}.color`,
-                  bgcolor: `query_stop_button.${isRunning ? 'inactive' : 'active'}.background_color`,
-                  padding: '11px'
-                }}>
-                  <StopIcon />
-                </Button>
-              </Tooltip>
-            </Grid>
-          </Grid>
-        </Box>
-      </Paper>
-    </Box>
-  );
-};
-
-QueryInputForm.propTypes = {
-  isRunning: PropTypes.bool.isRequired,
-  onStart: PropTypes.func.isRequired,
-  onStop: PropTypes.func.isRequired,
-};
-
-export default QueryInputForm;

src/DataStreamSuite/Bts.DataStreamWebApp.Client/src/Theme.js

@@ -1,88 +0,0 @@
-import { createTheme } from '@mui/material/styles';
-import PropTypes from 'prop-types';
-import '@fontsource/noto-sans';
-import './App.css';
-
-const getLightPalette = () => {
-  return {
-    mode: 'light',
-    primary: {
-      light: '#6573c3',
-      main: '#3f51b5',
-      dark: '#2c387e',
-      contrastText: '#ffffff',
-    },
-    secondary: {
-      light: '#f73378',
-      main: '#f50057',
-      dark: '#ab003c',
-      contrastText: '#ffffff',
-    },
-    text: {
-      primary: '#000000c4',
-      secondary: '#00000086',
-      disabled: '#0000005b',
-      hint: '#0000005b',
-    }
-  };
-};
-
-const getDarkPalette = () => {
-  return {
-    mode: 'dark',
-    primary: {
-      light: '#bcc5ff',
-      main: '#33baf9',
-      dark: '#202334',
-      contrastText: '#78a2ac',
-    },
-    secondary: {
-      light: '#9fd0b8',
-      main: '#5eb289',
-      dark: '#ffffff12',
-      contrastText: '#c8d4f7',
-    },
-    text: {
-      primary: '#eaf8f8',
-      dark: '#eaf8f8a0'
-    },
-    query_start_button: {
-      active: {
-        color: '#33baf9',
-        background_color: '#ffffff40',
-      },
-      inactive: {
-        color: '#ffffff40',
-        background_color: '#ffffff00',
-      }
-    },
-    warning: {
-      main: '#c4823f'
-    },
-    query_stop_button: {
-      active: {
-        color: '#ff4444a0',
-        background_color: '#ffffff40',
-      },
-      inactive: {
-        color: '#ff444450',
-        background_color: '#ffffff00',
-      }
-    },
-  };
-};
-
-const getTheme = ({ mode }) => {
-  return createTheme({
-    typography: {
-      fontFamily: '"Helvetica"'
-    },
-    palette: mode == 'dark' ? getDarkPalette() : getLightPalette()
-  });
-};
-
-export default getTheme;
-
-getTheme.propTypes = {
-  mode: PropTypes.string.isRequired,
-};

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

@@ -1 +0,0 @@
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src/DataStreamSuite/Bts.DataStreamWebApp.Client/src/css/dark-hc.css

@@ -1,51 +0,0 @@
-.dark-high-contrast {
-  --md-sys-color-primary: rgb(251 250 255);
-  --md-sys-color-surface-tint: rgb(165 200 255);
-  --md-sys-color-on-primary: rgb(0 0 0);
-  --md-sys-color-primary-container: rgb(173 204 255);
-  --md-sys-color-on-primary-container: rgb(0 0 0);
-  --md-sys-color-secondary: rgb(250 250 255);
-  --md-sys-color-on-secondary: rgb(0 0 0);
-  --md-sys-color-secondary-container: rgb(159 208 255);
-  --md-sys-color-on-secondary-container: rgb(0 0 0);
-  --md-sys-color-tertiary: rgb(255 249 251);
-  --md-sys-color-on-tertiary: rgb(0 0 0);
-  --md-sys-color-tertiary-container: rgb(222 193 231);
-  --md-sys-color-on-tertiary-container: rgb(0 0 0);
-  --md-sys-color-error: rgb(255 249 249);
-  --md-sys-color-on-error: rgb(0 0 0);
-  --md-sys-color-error-container: rgb(255 186 177);
-  --md-sys-color-on-error-container: rgb(0 0 0);
-  --md-sys-color-background: rgb(17 19 24);
-  --md-sys-color-on-background: rgb(225 226 233);
-  --md-sys-color-surface: rgb(17 19 24);
-  --md-sys-color-on-surface: rgb(255 255 255);
-  --md-sys-color-surface-variant: rgb(67 71 78);
-  --md-sys-color-on-surface-variant: rgb(251 250 255);
-  --md-sys-color-outline: rgb(200 202 212);
-  --md-sys-color-outline-variant: rgb(200 202 212);
-  --md-sys-color-shadow: rgb(0 0 0);
-  --md-sys-color-scrim: rgb(0 0 0);
-  --md-sys-color-inverse-surface: rgb(225 226 233);
-  --md-sys-color-inverse-on-surface: rgb(0 0 0);
-  --md-sys-color-inverse-primary: rgb(0 42 83);
-  --md-sys-color-primary-fixed: rgb(219 231 255);
-  --md-sys-color-on-primary-fixed: rgb(0 0 0);
-  --md-sys-color-primary-fixed-dim: rgb(173 204 255);
-  --md-sys-color-on-primary-fixed-variant: rgb(0 22 49);
-  --md-sys-color-secondary-fixed: rgb(214 233 255);
-  --md-sys-color-on-secondary-fixed: rgb(0 0 0);
-  --md-sys-color-secondary-fixed-dim: rgb(159 208 255);
-  --md-sys-color-on-secondary-fixed-variant: rgb(0 24 42);
-  --md-sys-color-tertiary-fixed: rgb(249 222 255);
-  --md-sys-color-on-tertiary-fixed: rgb(0 0 0);
-  --md-sys-color-tertiary-fixed-dim: rgb(222 193 231);
-  --md-sys-color-on-tertiary-fixed-variant: rgb(33 14 42);
-  --md-sys-color-surface-dim: rgb(17 19 24);
-  --md-sys-color-surface-bright: rgb(55 57 62);
-  --md-sys-color-surface-container-lowest: rgb(12 14 19);
-  --md-sys-color-surface-container-low: rgb(25 28 32);
-  --md-sys-color-surface-container: rgb(29 32 36);
-  --md-sys-color-surface-container-high: rgb(40 42 47);
-  --md-sys-color-surface-container-highest: rgb(50 53 58);
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Client/src/css/dark-mc.css

@@ -1,51 +0,0 @@
-.dark-medium-contrast {
-  --md-sys-color-primary: rgb(173 204 255);
-  --md-sys-color-surface-tint: rgb(165 200 255);
-  --md-sys-color-on-primary: rgb(0 22 49);
-  --md-sys-color-primary-container: rgb(112 146 198);
-  --md-sys-color-on-primary-container: rgb(0 0 0);
-  --md-sys-color-secondary: rgb(159 208 255);
-  --md-sys-color-on-secondary: rgb(0 24 42);
-  --md-sys-color-secondary-container: rgb(100 149 193);
-  --md-sys-color-on-secondary-container: rgb(0 0 0);
-  --md-sys-color-tertiary: rgb(222 193 231);
-  --md-sys-color-on-tertiary: rgb(33 14 42);
-  --md-sys-color-tertiary-container: rgb(162 136 171);
-  --md-sys-color-on-tertiary-container: rgb(0 0 0);
-  --md-sys-color-error: rgb(255 186 177);
-  --md-sys-color-on-error: rgb(55 0 1);
-  --md-sys-color-error-container: rgb(255 84 73);
-  --md-sys-color-on-error-container: rgb(0 0 0);
-  --md-sys-color-background: rgb(17 19 24);
-  --md-sys-color-on-background: rgb(225 226 233);
-  --md-sys-color-surface: rgb(17 19 24);
-  --md-sys-color-on-surface: rgb(251 250 255);
-  --md-sys-color-surface-variant: rgb(67 71 78);
-  --md-sys-color-on-surface-variant: rgb(200 202 212);
-  --md-sys-color-outline: rgb(160 163 171);
-  --md-sys-color-outline-variant: rgb(128 131 139);
-  --md-sys-color-shadow: rgb(0 0 0);
-  --md-sys-color-scrim: rgb(0 0 0);
-  --md-sys-color-inverse-surface: rgb(225 226 233);
-  --md-sys-color-inverse-on-surface: rgb(40 42 47);
-  --md-sys-color-inverse-primary: rgb(35 73 120);
-  --md-sys-color-primary-fixed: rgb(212 227 255);
-  --md-sys-color-on-primary-fixed: rgb(0 17 40);
-  --md-sys-color-primary-fixed-dim: rgb(165 200 255);
-  --md-sys-color-on-primary-fixed-variant: rgb(10 55 100);
-  --md-sys-color-secondary-fixed: rgb(206 229 255);
-  --md-sys-color-on-secondary-fixed: rgb(0 18 34);
-  --md-sys-color-secondary-fixed-dim: rgb(154 203 250);
-  --md-sys-color-on-secondary-fixed-variant: rgb(0 57 91);
-  --md-sys-color-tertiary-fixed: rgb(247 216 255);
-  --md-sys-color-on-tertiary-fixed: rgb(28 9 37);
-  --md-sys-color-tertiary-fixed-dim: rgb(218 189 226);
-  --md-sys-color-on-tertiary-fixed-variant: rgb(67 46 76);
-  --md-sys-color-surface-dim: rgb(17 19 24);
-  --md-sys-color-surface-bright: rgb(55 57 62);
-  --md-sys-color-surface-container-lowest: rgb(12 14 19);
-  --md-sys-color-surface-container-low: rgb(25 28 32);
-  --md-sys-color-surface-container: rgb(29 32 36);
-  --md-sys-color-surface-container-high: rgb(40 42 47);
-  --md-sys-color-surface-container-highest: rgb(50 53 58);
-}

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

@@ -1,51 +0,0 @@
-.dark {
-  --md-sys-color-primary: rgb(165 200 255);
-  --md-sys-color-surface-tint: rgb(165 200 255);
-  --md-sys-color-on-primary: rgb(0 49 94);
-  --md-sys-color-primary-container: rgb(34 72 118);
-  --md-sys-color-on-primary-container: rgb(212 227 255);
-  --md-sys-color-secondary: rgb(154 203 250);
-  --md-sys-color-on-secondary: rgb(0 51 83);
-  --md-sys-color-secondary-container: rgb(12 74 114);
-  --md-sys-color-on-secondary-container: rgb(206 229 255);
-  --md-sys-color-tertiary: rgb(218 189 226);
-  --md-sys-color-on-tertiary: rgb(61 41 70);
-  --md-sys-color-tertiary-container: rgb(85 63 93);
-  --md-sys-color-on-tertiary-container: rgb(247 216 255);
-  --md-sys-color-error: rgb(255 180 171);
-  --md-sys-color-on-error: rgb(105 0 5);
-  --md-sys-color-error-container: rgb(147 0 10);
-  --md-sys-color-on-error-container: rgb(255 218 214);
-  --md-sys-color-background: rgb(17 19 24);
-  --md-sys-color-on-background: rgb(225 226 233);
-  --md-sys-color-surface: rgb(17 19 24);
-  --md-sys-color-on-surface: rgb(225 226 233);
-  --md-sys-color-surface-variant: rgb(67 71 78);
-  --md-sys-color-on-surface-variant: rgb(195 198 207);
-  --md-sys-color-outline: rgb(141 145 153);
-  --md-sys-color-outline-variant: rgb(67 71 78);
-  --md-sys-color-shadow: rgb(0 0 0);
-  --md-sys-color-scrim: rgb(0 0 0);
-  --md-sys-color-inverse-surface: rgb(225 226 233);
-  --md-sys-color-inverse-on-surface: rgb(46 48 53);
-  --md-sys-color-inverse-primary: rgb(60 96 144);
-  --md-sys-color-primary-fixed: rgb(212 227 255);
-  --md-sys-color-on-primary-fixed: rgb(0 28 58);
-  --md-sys-color-primary-fixed-dim: rgb(165 200 255);
-  --md-sys-color-on-primary-fixed-variant: rgb(34 72 118);
-  --md-sys-color-secondary-fixed: rgb(206 229 255);
-  --md-sys-color-on-secondary-fixed: rgb(0 29 50);
-  --md-sys-color-secondary-fixed-dim: rgb(154 203 250);
-  --md-sys-color-on-secondary-fixed-variant: rgb(12 74 114);
-  --md-sys-color-tertiary-fixed: rgb(247 216 255);
-  --md-sys-color-on-tertiary-fixed: rgb(39 20 48);
-  --md-sys-color-tertiary-fixed-dim: rgb(218 189 226);
-  --md-sys-color-on-tertiary-fixed-variant: rgb(85 63 93);
-  --md-sys-color-surface-dim: rgb(17 19 24);
-  --md-sys-color-surface-bright: rgb(55 57 62);
-  --md-sys-color-surface-container-lowest: rgb(12 14 19);
-  --md-sys-color-surface-container-low: rgb(25 28 32);
-  --md-sys-color-surface-container: rgb(29 32 36);
-  --md-sys-color-surface-container-high: rgb(40 42 47);
-  --md-sys-color-surface-container-highest: rgb(50 53 58);
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Client/src/css/light-hc.css

@@ -1,51 +0,0 @@
-.light-high-contrast {
-  --md-sys-color-primary: rgb(0 34 70);
-  --md-sys-color-surface-tint: rgb(60 96 144);
-  --md-sys-color-on-primary: rgb(255 255 255);
-  --md-sys-color-primary-container: rgb(29 68 114);
-  --md-sys-color-on-primary-container: rgb(255 255 255);
-  --md-sys-color-secondary: rgb(0 36 61);
-  --md-sys-color-on-secondary: rgb(255 255 255);
-  --md-sys-color-secondary-container: rgb(3 70 110);
-  --md-sys-color-on-secondary-container: rgb(255 255 255);
-  --md-sys-color-tertiary: rgb(46 26 55);
-  --md-sys-color-on-tertiary: rgb(255 255 255);
-  --md-sys-color-tertiary-container: rgb(81 59 89);
-  --md-sys-color-on-tertiary-container: rgb(255 255 255);
-  --md-sys-color-error: rgb(78 0 2);
-  --md-sys-color-on-error: rgb(255 255 255);
-  --md-sys-color-error-container: rgb(140 0 9);
-  --md-sys-color-on-error-container: rgb(255 255 255);
-  --md-sys-color-background: rgb(249 249 255);
-  --md-sys-color-on-background: rgb(25 28 32);
-  --md-sys-color-surface: rgb(249 249 255);
-  --md-sys-color-on-surface: rgb(0 0 0);
-  --md-sys-color-surface-variant: rgb(224 226 236);
-  --md-sys-color-on-surface-variant: rgb(32 36 43);
-  --md-sys-color-outline: rgb(63 67 74);
-  --md-sys-color-outline-variant: rgb(63 67 74);
-  --md-sys-color-shadow: rgb(0 0 0);
-  --md-sys-color-scrim: rgb(0 0 0);
-  --md-sys-color-inverse-surface: rgb(46 48 53);
-  --md-sys-color-inverse-on-surface: rgb(255 255 255);
-  --md-sys-color-inverse-primary: rgb(228 236 255);
-  --md-sys-color-primary-fixed: rgb(29 68 114);
-  --md-sys-color-on-primary-fixed: rgb(255 255 255);
-  --md-sys-color-primary-fixed-dim: rgb(0 45 88);
-  --md-sys-color-on-primary-fixed-variant: rgb(255 255 255);
-  --md-sys-color-secondary-fixed: rgb(3 70 110);
-  --md-sys-color-on-secondary-fixed: rgb(255 255 255);
-  --md-sys-color-secondary-fixed-dim: rgb(0 47 77);
-  --md-sys-color-on-secondary-fixed-variant: rgb(255 255 255);
-  --md-sys-color-tertiary-fixed: rgb(81 59 89);
-  --md-sys-color-on-tertiary-fixed: rgb(255 255 255);
-  --md-sys-color-tertiary-fixed-dim: rgb(57 37 66);
-  --md-sys-color-on-tertiary-fixed-variant: rgb(255 255 255);
-  --md-sys-color-surface-dim: rgb(217 218 224);
-  --md-sys-color-surface-bright: rgb(249 249 255);
-  --md-sys-color-surface-container-lowest: rgb(255 255 255);
-  --md-sys-color-surface-container-low: rgb(243 243 250);
-  --md-sys-color-surface-container: rgb(237 237 244);
-  --md-sys-color-surface-container-high: rgb(231 232 238);
-  --md-sys-color-surface-container-highest: rgb(225 226 233);
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Client/src/css/light-mc.css

@@ -1,51 +0,0 @@
-.light-medium-contrast {
-  --md-sys-color-primary: rgb(29 68 114);
-  --md-sys-color-surface-tint: rgb(60 96 144);
-  --md-sys-color-on-primary: rgb(255 255 255);
-  --md-sys-color-primary-container: rgb(83 118 167);
-  --md-sys-color-on-primary-container: rgb(255 255 255);
-  --md-sys-color-secondary: rgb(3 70 110);
-  --md-sys-color-on-secondary: rgb(255 255 255);
-  --md-sys-color-secondary-container: rgb(71 121 163);
-  --md-sys-color-on-secondary-container: rgb(255 255 255);
-  --md-sys-color-tertiary: rgb(81 59 89);
-  --md-sys-color-on-tertiary: rgb(255 255 255);
-  --md-sys-color-tertiary-container: rgb(133 108 141);
-  --md-sys-color-on-tertiary-container: rgb(255 255 255);
-  --md-sys-color-error: rgb(140 0 9);
-  --md-sys-color-on-error: rgb(255 255 255);
-  --md-sys-color-error-container: rgb(218 52 46);
-  --md-sys-color-on-error-container: rgb(255 255 255);
-  --md-sys-color-background: rgb(249 249 255);
-  --md-sys-color-on-background: rgb(25 28 32);
-  --md-sys-color-surface: rgb(249 249 255);
-  --md-sys-color-on-surface: rgb(25 28 32);
-  --md-sys-color-surface-variant: rgb(224 226 236);
-  --md-sys-color-on-surface-variant: rgb(63 67 74);
-  --md-sys-color-outline: rgb(91 95 103);
-  --md-sys-color-outline-variant: rgb(119 123 131);
-  --md-sys-color-shadow: rgb(0 0 0);
-  --md-sys-color-scrim: rgb(0 0 0);
-  --md-sys-color-inverse-surface: rgb(46 48 53);
-  --md-sys-color-inverse-on-surface: rgb(240 240 247);
-  --md-sys-color-inverse-primary: rgb(165 200 255);
-  --md-sys-color-primary-fixed: rgb(83 118 167);
-  --md-sys-color-on-primary-fixed: rgb(255 255 255);
-  --md-sys-color-primary-fixed-dim: rgb(58 93 141);
-  --md-sys-color-on-primary-fixed-variant: rgb(255 255 255);
-  --md-sys-color-secondary-fixed: rgb(71 121 163);
-  --md-sys-color-on-secondary-fixed: rgb(255 255 255);
-  --md-sys-color-secondary-fixed-dim: rgb(43 96 137);
-  --md-sys-color-on-secondary-fixed-variant: rgb(255 255 255);
-  --md-sys-color-tertiary-fixed: rgb(133 108 141);
-  --md-sys-color-on-tertiary-fixed: rgb(255 255 255);
-  --md-sys-color-tertiary-fixed-dim: rgb(107 84 116);
-  --md-sys-color-on-tertiary-fixed-variant: rgb(255 255 255);
-  --md-sys-color-surface-dim: rgb(217 218 224);
-  --md-sys-color-surface-bright: rgb(249 249 255);
-  --md-sys-color-surface-container-lowest: rgb(255 255 255);
-  --md-sys-color-surface-container-low: rgb(243 243 250);
-  --md-sys-color-surface-container: rgb(237 237 244);
-  --md-sys-color-surface-container-high: rgb(231 232 238);
-  --md-sys-color-surface-container-highest: rgb(225 226 233);
-}

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

@@ -1,51 +0,0 @@
-.light {
-  --md-sys-color-primary: rgb(60 96 144);
-  --md-sys-color-surface-tint: rgb(60 96 144);
-  --md-sys-color-on-primary: rgb(255 255 255);
-  --md-sys-color-primary-container: rgb(212 227 255);
-  --md-sys-color-on-primary-container: rgb(0 28 58);
-  --md-sys-color-secondary: rgb(46 98 140);
-  --md-sys-color-on-secondary: rgb(255 255 255);
-  --md-sys-color-secondary-container: rgb(206 229 255);
-  --md-sys-color-on-secondary-container: rgb(0 29 50);
-  --md-sys-color-tertiary: rgb(110 86 118);
-  --md-sys-color-on-tertiary: rgb(255 255 255);
-  --md-sys-color-tertiary-container: rgb(247 216 255);
-  --md-sys-color-on-tertiary-container: rgb(39 20 48);
-  --md-sys-color-error: rgb(186 26 26);
-  --md-sys-color-on-error: rgb(255 255 255);
-  --md-sys-color-error-container: rgb(255 218 214);
-  --md-sys-color-on-error-container: rgb(65 0 2);
-  --md-sys-color-background: rgb(249 249 255);
-  --md-sys-color-on-background: rgb(25 28 32);
-  --md-sys-color-surface: rgb(249 249 255);
-  --md-sys-color-on-surface: rgb(25 28 32);
-  --md-sys-color-surface-variant: rgb(224 226 236);
-  --md-sys-color-on-surface-variant: rgb(67 71 78);
-  --md-sys-color-outline: rgb(116 119 127);
-  --md-sys-color-outline-variant: rgb(195 198 207);
-  --md-sys-color-shadow: rgb(0 0 0);
-  --md-sys-color-scrim: rgb(0 0 0);
-  --md-sys-color-inverse-surface: rgb(46 48 53);
-  --md-sys-color-inverse-on-surface: rgb(240 240 247);
-  --md-sys-color-inverse-primary: rgb(165 200 255);
-  --md-sys-color-primary-fixed: rgb(212 227 255);
-  --md-sys-color-on-primary-fixed: rgb(0 28 58);
-  --md-sys-color-primary-fixed-dim: rgb(165 200 255);
-  --md-sys-color-on-primary-fixed-variant: rgb(34 72 118);
-  --md-sys-color-secondary-fixed: rgb(206 229 255);
-  --md-sys-color-on-secondary-fixed: rgb(0 29 50);
-  --md-sys-color-secondary-fixed-dim: rgb(154 203 250);
-  --md-sys-color-on-secondary-fixed-variant: rgb(12 74 114);
-  --md-sys-color-tertiary-fixed: rgb(247 216 255);
-  --md-sys-color-on-tertiary-fixed: rgb(39 20 48);
-  --md-sys-color-tertiary-fixed-dim: rgb(218 189 226);
-  --md-sys-color-on-tertiary-fixed-variant: rgb(85 63 93);
-  --md-sys-color-surface-dim: rgb(217 218 224);
-  --md-sys-color-surface-bright: rgb(249 249 255);
-  --md-sys-color-surface-container-lowest: rgb(255 255 255);
-  --md-sys-color-surface-container-low: rgb(243 243 250);
-  --md-sys-color-surface-container: rgb(237 237 244);
-  --md-sys-color-surface-container-high: rgb(231 232 238);
-  --md-sys-color-surface-container-highest: rgb(225 226 233);
-}

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

@@ -1,107 +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(0, 0, 0, 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;
-}
-
-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;
-}
-
-button#query-button {
-  height: 5em;
-  vertical-align: top;
-}
-
-button#play-button {
-  padding: '10px 20px';
-  font-size: '16px';
-  cursor: 'pointer';
-  background-color: '#28a745';
-  color: '#fff';
-  border: 'none';
-  border-radius: '5px';
-};
-
-button#pause-button {
-  background-color: #ffc107;
-}
-
-button#stop-button {
-  background-color: #dc3545;
-}
-
-h1 {
-  font-size: 3.2em;
-  line-height: 1.1;
-}
-
-p#footer {
-  float: none;
-  clear: both;
-  vertical-align: bottom;
-}
-
-table#query-output {
-  float: none;
-  clear: both;
-}
-
-textarea#query-input {
-  height: 5em;
-  width: 50em;
-}
-
-@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

@@ -1,9 +0,0 @@
-import React from 'react';
-import ReactDOM from 'react-dom/client';
-import App from './App';
-
-ReactDOM.createRoot(document.getElementById('root')).render(
-  <React.StrictMode>
-    <App />
-  </React.StrictMode>
-)

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

@@ -1,69 +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';
-import process, { env } from 'process';
-
-const baseFolder =
-  process.env.APPDATA !== undefined && process.env.APPDATA !== ''
-    ? `${process.env.APPDATA}/ASP.NET/https`
-    : `${process.env.HOME}/.aspnet/https`;
-
-const certificateName = "bts.datastreamwebapp.client";
-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.");
-  }
-}
-
-const target = env.ASPNETCORE_HTTPS_PORT
-  ? `https://localhost:${env.ASPNETCORE_HTTPS_PORT}`
-  : env.ASPNETCORE_URLS
-    ? env.ASPNETCORE_URLS.split(';')[0]
-    : 'https://localhost:5001';
-
-export default defineConfig(({ $$command, mode, $$isSsrBuild, $$isPreview }) => {
-  return {
-    plugins: [plugin()],
-    resolve: {
-      alias: {
-        '@': fileURLToPath(new URL('./src', import.meta.url))
-      }
-    },
-    build: {
-      minify: false,
-      sourcemap: true,
-      outDir: `../../../build/Bts.DataStreamWebApp.Client/${mode}/dist`
-    },
-    server: {
-      proxy: {
-        '^/api': {
-          target,
-          secure: false
-        },
-        '^/ws': {
-          target,
-          secure: false
-        }
-      },
-      port: 5173,
-      https: {
-        key: fs.readFileSync(keyFilePath),
-        cert: fs.readFileSync(certFilePath),
-      }
-    }
-  };
-});

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

@@ -1,36 +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="8.0.6" />
-    <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="8.0.6" />
-    <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_core\spark_core.csproj" />
-    <ProjectReference Include="..\..\client\spark_websocket\spark_websocket.csproj" />
-    <ProjectReference Include="..\Bts.Extensions.DependencyInjection\Bts.Extensions.DependencyInjection.csproj" />
-  </ItemGroup>
-
-  <!-- <ItemGroup>
-    <Content Update="wwwroot\alt-index.html" CopyToPublishDirectory="Never" />
-  </ItemGroup> -->
-</Project>

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Configurations/DevServer.json

@@ -1,33 +0,0 @@
-{
-  "Spark": {
-    "ConfigServer": "http://localhost:8000/config"
-  },
-  "SparkdCredentials": {
-    "User": "bts",
-    "Password": ""
-  },
-  "MasterWorker": {
-    "Interval": "00:00:00.1"
-  },
-  "PubSub": {
-    "Routing": {
-      "PublisherRoutes": [
-        {
-          "Name": "default",
-          "ServerAddress": "bts-cloud://127.0.0.1:12345",
-          "TagRegExp": ".*"
-        }
-      ],
-      "SubscriberRoutes": [
-        {
-          "Name": "default",
-          "ServerAddress": "bts-cloud://127.0.0.1:12345",
-          "TagRegExp": ".*"
-        }
-      ]
-    }
-  },
-  "ViewStreamDatabase": {
-    "Interval": "00:00:01"
-  }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Configurations/ProdServer.json

@@ -1,4 +0,0 @@
-{
-  "content_root_path": "build/Bts.DataStreamWebApp.Client/production",
-  "web_root_path": "dist"
-}

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

@@ -1,36 +0,0 @@
-namespace Bts.DataStreamWebApp.Server.Controllers;
-
-using BCG;
-
-using bts.api.core;
-
-using Microsoft.AspNetCore.Mvc;
-
-[Route("/ws")]
-public class DataStreamSubscriptionController : ControllerBase {
-   readonly ILogger logger;
-   readonly PrimitiveManager primitiveManager;
-   readonly IServiceProvider serviceProvider;
-
-   public DataStreamSubscriptionController(ILogger<DataStreamSubscriptionController> logger, PrimitiveManager primitiveManager, IServiceProvider serviceProvider) {
-      this.logger = logger;
-      this.primitiveManager = primitiveManager;
-      this.serviceProvider = serviceProvider;
-      logger.LogInformation("Creating {ControllerType}", GetType().Name);
-   }
-
-   [Route("/ws")]
-   public async Task Get() {
-      if (!HttpContext.WebSockets.IsWebSocketRequest) {
-         logger.LogError("Expected websocket request on path '{}'", HttpContext.Request.Path);
-         return;
-      }
-      logger.LogInformation("Establishing websocket connection...");
-      using var webSocket = await HttpContext.WebSockets.AcceptWebSocketAsync();
-      logger.LogInformation("Websocket connection established.");
-      var context = ServiceContext.create();
-      await context.login("bts", string.Empty);
-      var server = new DataStreamWebSocketServer(webSocket, logger, primitiveManager, serviceProvider);
-      await server.Run();
-   }
-}

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

@@ -1,112 +0,0 @@
-namespace Bts.DataStreamWebApp.Server.Controllers;
-
-using BCG;
-
-using bts.websocket_core.json_rpc;
-
-using Bts.DataStreamCore;
-using Bts.DataStreamWebApp.Server.Messages;
-
-using System.Net.WebSockets;
-using System.Text;
-using System.Text.Json;
-using System.Text.Json.Serialization;
-
-class DataStreamSubscription : IDisposable {
-   public readonly ViewStream ViewStream;
-   public DataPacket? LastFired;
-   public readonly string Id;
-
-   readonly ILogger logger;
-   readonly WebSocket webSocket;
-   readonly DataPacketJsonSerializer dataPacketSerializer = new();
-
-   public DataStreamSubscription(string id, ViewStream viewStream, WebSocket webSocket, ILogger logger) {
-      ViewStream = viewStream;
-      Id = id;
-      this.webSocket = webSocket;
-      this.logger = logger;
-   }
-
-   public SubscriptionStatus Status { get; private set; }
-
-   public void Start() {
-      if (Status == SubscriptionStatus.Subscribed) {
-         logger.LogWarning("Ignoring redundant call to 'Start'. Id = {Id} Status = {Status}", Id, Status);
-         return;
-      }
-      logger.LogInformation("Subscribing to ViewStream. SubscriptionId = {SubscriptionId}", Id);
-      Status = SubscriptionStatus.Subscribed;
-      ViewStream.onChange += onChange;
-   }
-
-   public Task Clear() {
-      if (LastFired is null) {
-         return Task.CompletedTask;
-      }
-      logger.LogInformation("Clearing subscription (firing DataPacket to delete all rows). Id = {Id} Status = {Status}", Id, Status);
-      return sendDataPacket("clear", new(new BlueTable(LastFired.schema), new BlueTable(LastFired.schema), LastFired.newRows));
-   }
-
-   public void Stop() {
-      if (Status == SubscriptionStatus.Unsubscribed) {
-         logger.LogWarning("Ignoring redundant call to 'Stop'. Id = {Id} Status = {Status}", Id, Status);
-         return;
-      }
-      logger.LogInformation("Unsubscribing from ViewStream. SubscriptionId = {SubscriptionId}", Id);
-      Status = SubscriptionStatus.Unsubscribed;
-      ViewStream.onChange -= onChange;
-   }
-
-   public void Dispose() =>
-      Stop();
-
-   async void onChange(object newValue) {
-      if (newValue is not DataPacket dp) {
-         logger.LogError("Expected DataPacket in stream callback (actually received {}).", newValue?.GetType());
-         return;
-      }
-      if (webSocket.State != WebSocketState.Open) {
-         logger.LogError(
-            "Unsubscribing from stream early because WebSocket state = {WebSocketState}", webSocket.State);
-         Dispose();
-         return;
-      }
-      await sendDataPacket("subscribe", dp);
-   }
-
-   async Task sendDataPacket(string method, DataPacket dp) {
-      var serializerOpts = new JsonSerializerOptions {
-         NumberHandling = JsonNumberHandling.AllowNamedFloatingPointLiterals
-      };
-      serializerOpts.Converters.Add(new DataPacketJsonConverter() {
-         IncludeCurrent = true,
-         UseObjectRows = true,
-      });
-      var res = JsonRpcRequest.CreateNotification(method, dp);
-      var str = serialize(res, serializerOpts);
-      if (str is null) {
-         logger.LogError("Unsubscribing from stream early because we failed to serialize an outgoing DataPacket");
-         Dispose();
-         return;
-      }
-      logger.LogInformation(
-         "Sending DataPacket. NumRows = {NumRows} NumCols = {NumCols} MessageLength = {MessageLength}",
-         dp.newRows.Count,
-         dp.schema.columnNames.Length,
-         str.Length);
-      var bytes = Encoding.UTF8.GetBytes(str);
-      await webSocket.SendAsync(bytes, WebSocketMessageType.Text, true, CancellationToken.None);
-      LastFired = dp;
-   }
-
-   string? serialize<T>(T message, JsonSerializerOptions? opts) {
-      opts ??= JsonSerializerOptions.Default;
-      try {
-         return JsonSerializer.Serialize(message, opts);
-      } catch (Exception ex) {
-         logger.LogError("Failed to serialize message of type {MessageType}: {Exception}", typeof(T), ex);
-      }
-      return null;
-   }
-}

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

@@ -1,89 +0,0 @@
-namespace Bts.DataStreamWebApp.Server;
-
-using Bts.PubSub;
-
-using CommandLine;
-
-using System.Text.Json;
-using System.Text.Json.Serialization;
-
-class DataStreamWebAppServerConfig {
-   /// <summary>
-   /// The login user for sparkd
-   /// </summary>
-   [JsonPropertyName("user")]
-   [Option("user", HelpText = "The sparkd login user")]
-   public string? User { get; set; }
-
-   /// <summary>
-   /// The login password for sparkd
-   /// </summary>
-   [JsonPropertyName("password")]
-   [Option("pass", HelpText = "The sparkd login password")]
-   public string? Password { get; set; }
-
-   /// <summary>
-   /// The config server url for sparkd
-   /// </summary>
-   [JsonPropertyName("sparkd")]
-   [Option("sparkd", HelpText = "The sparkd config server")]
-   public string? Sparkd { get; set; }
-
-   [JsonPropertyName("pubsub")]
-   public PubSubConfig? PubSub { get; set; }
-
-   [Option("content-root-path")]
-   [JsonPropertyName("content_root_path")]
-   public string? ContentRootPath { get; set; }
-
-   [Option("web-root-path")]
-   [JsonPropertyName("web_root_path")]
-   public string? WebRootPath { get; set; }
-
-   [Option("environment-name")]
-   [JsonPropertyName("environment_name")]
-   public string? EnvironmentName { get; set; }
-
-   public DirectoryBrowserOptions? DirectoryBrowser { get; set; }
-
-   [Option(
-      "config",
-      MetaValue = "PATH",
-      HelpText = "Path to json file representing these options (DataStreamPublisherConfig)")]
-   [JsonIgnore]
-   public string? ConfigFile { get; set; }
-
-   public static DataStreamWebAppServerConfig Default() =>
-      new() {
-         User = "bts",
-         PubSub = PubSubConfig.Default(),
-      };
-
-   public void MergeWith(DataStreamWebAppServerConfig other) {
-      User ??= other.User;
-      Password ??= other.Password;
-      PubSub ??= other.PubSub;
-      Sparkd ??= other.Sparkd;
-      ContentRootPath ??= other.ContentRootPath;
-      WebRootPath ??= other.WebRootPath;
-      ConfigFile ??= other.ConfigFile;
-   }
-
-   /// <summary>
-   /// Merges options with those defined in `ConfigFile` (does not overwrite
-   /// non-null existing values).
-   /// </summary>
-   /// <exception cref="InvalidOperationException">
-   /// JsonSerializer.Deserialize returns null
-   /// </exception>
-   public void MergeWithConfigFile() {
-      if (ConfigFile is null) {
-         return;
-      }
-      var cfgString = File.ReadAllText(ConfigFile);
-      var parsedCfg = JsonSerializer.Deserialize<DataStreamWebAppServerConfig>(cfgString) ??
-         throw new InvalidOperationException($"Failed to parse json from {ConfigFile}");
-      MergeWith(parsedCfg);
-      ConfigFile = null;
-   }
-}

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

@@ -1,93 +0,0 @@
-namespace Bts.DataStreamWebApp.Server.Controllers;
-
-using BCG;
-
-using bts.websocket_core.json_rpc;
-
-using Bts.DataStreamWebApp.Server.Messages;
-
-using System.Net.WebSockets;
-using System.Text;
-using System.Text.Json;
-using System.Text.Json.Nodes;
-
-public class DataStreamWebSocketServer {
-   readonly ILogger logger;
-   readonly WebSocket webSocket;
-   readonly Dictionary<string, DataStreamSubscription> subscriptions = new();
-   readonly PrimitiveManager primitiveManager;
-   readonly IServiceProvider serviceProvider;
-
-   public DataStreamWebSocketServer(WebSocket webSocket, ILogger logger, PrimitiveManager primitiveManager, IServiceProvider serviceProvider) {
-      this.webSocket = webSocket;
-      this.logger = logger;
-      this.primitiveManager = primitiveManager;
-      this.serviceProvider = serviceProvider;
-   }
-
-   public async Task<int> Run() {
-      logger.LogInformation("DataStreamWebSocketServer running");
-      await foreach (var req in JsonRpcRequestAsyncEnumerable.Create(webSocket, logger)) {
-         await (req.Method switch {
-            "subscribe" => onSubscribe(req),
-            "unsubscribe" => onUnsubscribe(req.Deserialize<UnsubscribeRequest>()),
-            _ => Task.CompletedTask,
-         });
-      }
-      logger.LogInformation("DataStreamWebSocketServer stopped");
-      return 0;
-   }
-
-   async Task onSubscribe(JsonRpcRequest<JsonNode> req) {
-      ArgumentNullException.ThrowIfNull(req.Id);
-      ArgumentException.ThrowIfNullOrEmpty(req.Method);
-      if (!SubscribeRequest.ParseQuery(req, primitiveManager, out var vs, out var subId, out var errMsg, out var errCode)) {
-         logger.LogError("Invalid 'subscribe' request: {Reason}", errMsg);
-         await send(new JsonRpcError<JsonNode>() {
-            Code = (long)errCode,
-            Message = $"{errCode}: {errMsg}",
-         });
-         return;
-      }
-      if (subscriptions.TryGetValue(subId, out var oldSub)) {
-         oldSub.Dispose();
-      }
-      vs.Reset(serviceProvider);
-      var sub = new DataStreamSubscription(subId, vs, webSocket, logger);
-      subscriptions[subId] = sub;
-      await sendSubscriptionStatus(req.Id.Value, subId, req.Method, SubscriptionStatus.Subscribed);
-      sub.Start();
-   }
-
-   async Task onUnsubscribe(JsonRpcRequest<UnsubscribeRequest> req) {
-      ArgumentNullException.ThrowIfNull(req.Id);
-      ArgumentException.ThrowIfNullOrEmpty(req.Method);
-      var subId = req.Params?.SubscriptionId ?? string.Empty;
-      if (!subscriptions.TryGetValue(subId, out var sub)) {
-         logger.LogInformation("Ignoring '{Method}' request because no subscription was found with id {Id}.", req.Method, subId);
-         return;
-      }
-      logger.LogInformation("Disposing subscription");
-      sub.Dispose();
-      subscriptions.Remove(subId);
-      await sendSubscriptionStatus(req.Id.Value, subId, req.Method, SubscriptionStatus.Unsubscribed);
-   }
-
-   Task sendSubscriptionStatus(JsonRpcId reqId, string subId, string method, SubscriptionStatus status) {
-      logger.LogInformation("Sending {Method} ack. SubscriptionId = {SubscriptionId}", method, subId);
-      return send(JsonRpcResponse.Create(reqId, new SubscriptionStatusMessage() {
-         SubscriptionId = subId,
-         Status = status,
-      }));
-   }
-
-   Task send<T>(T message) {
-      if (message is null) {
-         return Task.CompletedTask;
-      }
-      var str = JsonSerializer.Serialize(message);
-      var bytes = Encoding.UTF8.GetBytes(str);
-      logger.LogTrace("Sending data. Length = {Length}", bytes.Length);
-      return webSocket.SendAsync(bytes, WebSocketMessageType.Text, true, CancellationToken.None);
-   }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Messages/ErrorCode.cs

@@ -1,6 +0,0 @@
-namespace Bts.DataStreamWebApp.Server.Messages;
-
-enum ErrorCode {
-   None = 0,
-   InvalidSubscriptionRequest,
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Messages/SubscribeRequest.cs

@@ -1,74 +0,0 @@
-namespace Bts.DataStreamWebApp.Server.Messages;
-
-using BCG;
-
-using bts.websocket_core.json_rpc;
-
-using Bts.DataStreamExpressions;
-
-using System.Diagnostics.CodeAnalysis;
-using System.Text.Json;
-using System.Text.Json.Nodes;
-using System.Text.Json.Serialization;
-
-public class SubscribeRequest {
-   [JsonPropertyName("query")]
-   public string? Query { get; set; }
-
-   [JsonPropertyName("subscription_id")]
-   public string? SubscriptionId { get; set; }
-
-   internal static bool ParseQuery(
-      JsonRpcRequest<JsonNode> req,
-      PrimitiveManager primitiveManager,
-      [NotNullWhen(true)] out ViewStream? stream,
-      [NotNullWhen(true)] out string? subscriptionId,
-      [NotNullWhen(false)] out string? errorMessage,
-      out ErrorCode errorCode
-   ) {
-      stream = null;
-      subscriptionId = null;
-      errorCode = ErrorCode.None;
-      var paramsJsonObj = req.Params?.AsObject();
-      if (paramsJsonObj is null) {
-         errorCode = ErrorCode.InvalidSubscriptionRequest;
-         errorMessage = "'params' object not found";
-         return false;
-      }
-      var subReq = paramsJsonObj.Deserialize<SubscribeRequest>();
-      if (subReq is null) {
-         errorCode = ErrorCode.InvalidSubscriptionRequest;
-         errorMessage = "'params' object invalid";
-         return false;
-      }
-      subscriptionId = subReq.SubscriptionId ?? string.Empty;
-      var query = subReq.Query;
-      if (query is null) {
-         errorCode = ErrorCode.InvalidSubscriptionRequest;
-         errorMessage = "'params.query' field not found (expected a string)";
-         return false;
-      }
-      errorMessage = null;
-      var exp = DataStreamExpressionsInterpreter.Evaluate(query);
-      if (exp is null) {
-         errorCode = ErrorCode.InvalidSubscriptionRequest;
-         errorMessage = "'params.query' expression has invalid syntax";
-         return false;
-      }
-      string? exceptionMsg = null;
-      try {
-         stream = exp.getView(new Dictionary<string, StatementExpression>(0), primitiveManager);
-      } catch (Exception ex) {
-         exceptionMsg = ex.ToString();
-      }
-      if (stream is null) {
-         errorCode = ErrorCode.InvalidSubscriptionRequest;
-         errorMessage = "Failed to create ViewStream from 'params.query' expression (check for typos in arguments/typenames)";
-         if (exceptionMsg is not null) {
-            errorMessage += ". Error" + exceptionMsg;
-         }
-         return false;
-      }
-      return true;
-   }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Messages/SubscriptionStatusMessage.cs

@@ -1,18 +0,0 @@
-namespace Bts.DataStreamWebApp.Server.Messages;
-
-using System.Text.Json.Serialization;
-
-enum SubscriptionStatus {
-   None,
-   Subscribed,
-   Unsubscribed,
-}
-
-class SubscriptionStatusMessage {
-   [JsonPropertyName("subscription_id")]
-   public string? SubscriptionId { get; set; }
-
-   [JsonPropertyName("status")]
-   [JsonConverter(typeof(JsonStringEnumConverter))]
-   public SubscriptionStatus Status { get; set; } = SubscriptionStatus.None;
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Messages/UnsubscribeRequest.cs

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

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

@@ -1,64 +0,0 @@
-using Bts.DataStreamCore.Services;
-using Bts.DataStreamWebApp.Server.Services;
-using Bts.PubSub.Services;
-
-using Spark.Api.Services;
-using Spark.Core.Services;
-
-using System.Reactive.Linq;
-
-var builder = WebApplication.CreateBuilder(new WebApplicationOptions {
-   Args = args,
-   ApplicationName = "Bts.DataStreamWebApp.Server",
-});
-ConfigureApp(builder.Configuration);
-ConfigureServices(builder.Services, builder.Configuration);
-
-var app = builder.Build();
-if (app.Environment.IsDevelopment()) {
-   app.UseDirectoryBrowser();
-}
-var wsOpts = new WebSocketOptions {
-   KeepAliveInterval = TimeSpan.FromMinutes(2)
-};
-app.UseWebSockets(wsOpts);
-app.UseDefaultFiles();
-app.UseStaticFiles();
-if (app.Environment.IsDevelopment()) {
-   app.UseSwagger();
-   app.UseSwaggerUI();
-}
-app.UseHttpsRedirection();
-app.UseAuthorization();
-app.MapControllers();
-try {
-   Console.Write($"Starting Application");
-   app.Run();
-   Console.Write($"Application exited gracefully.");
-} catch (Exception ex) {
-   Console.Error.Write($"Application crashed: {ex}");
-   return 1;
-}
-return 0;
-
-static void ConfigureApp(ConfigurationManager configBuilder) {
-   configBuilder.AddCommandLine(Environment.GetCommandLineArgs());
-   var cfgRoot = configBuilder.GetSection("config");
-   if (cfgRoot?.Value is not null) {
-      configBuilder.AddJsonFile(cfgRoot.Value);
-   }
-}
-
-static void ConfigureServices(IServiceCollection services, IConfiguration config) {
-   services.AddDirectoryBrowser();
-   services.AddControllers();
-   services.AddEndpointsApiExplorer();
-   services.AddSwaggerGen();
-   services.AddMasterWorker(config.GetSection("MasterWorker"));
-   services.AddViewStreamDatabase(config.GetSection("ViewStreamDatabase"));
-   services.AddPubSubClient(config.GetSection("PubSub"));
-   services.AddPrimitiveManager();
-   services.AddSpark(config.GetSection("Spark"));
-   services.AddSparkd(config.GetSection("SparkdCredentials"));
-   services.AddHostedService<DataStreamWebAppService>();
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Properties/launchSettings.json

@@ -1,26 +0,0 @@
-{
-  "$schema": "http://json.schemastore.org/launchsettings.json",
-  "profiles": {
-    "http": {
-      "commandName": "Project",
-      "dotnetRunMessages": true,
-      "launchBrowser": true,
-      "launchUrl": "swagger",
-      "applicationUrl": "http://localhost:5000",
-      "environmentVariables": {
-        "ASPNETCORE_ENVIRONMENT": "Development",
-        "ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.SpaProxy",
-      }
-    },
-    "https": {
-      "commandName": "Project",
-      "dotnetRunMessages": true,
-      "launchBrowser": true,
-      "applicationUrl": "http://localhost:5000;https://localhost:5001",
-      "environmentVariables": {
-        "ASPNETCORE_ENVIRONMENT": "Development",
-        "ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.SpaProxy",
-      }
-    },
-  },
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Services/DataStreamWebAppService.cs

@@ -1,65 +0,0 @@
-namespace Bts.DataStreamWebApp.Server.Services;
-
-using BCG;
-using BCG.Utilities.General;
-
-using bts;
-using bts.api.core;
-
-using Bts.DataStreamExpressions;
-
-using Microsoft.Extensions.Hosting;
-using Microsoft.Extensions.Options;
-
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text.Json;
-using System.Threading;
-using System.Threading.Tasks;
-
-/// <summary>
-/// An IHostedService wrapper for ViewStream publishers. It provides a way for the Application to
-/// start/stop the view publishers.
-/// </summary>
-class DataStreamWebAppService : IHostedService {
-   readonly DataStreamWebAppServerConfig config;
-   readonly ViewStreamDatabase vsd;
-   readonly TaskCompletionSource taskCompletionSource = new();
-   readonly CancellationTokenSource cancellationTokenSource = new();
-
-   public DataStreamWebAppService(
-      ViewStreamDatabase vsd,
-      IOptions<DataStreamWebAppServerConfig> config
-   ) {
-      this.vsd = vsd;
-      this.config = config.Value;
-   }
-
-   public Task StartAsync(CancellationToken cancellationToken) {
-      // Task.Factory.StartNew(Run, cancellationToken, TaskCreationOptions.LongRunning, TaskScheduler.Default);
-      return Task.CompletedTask;
-
-      // void Run() {
-      //    Log.Gen.info("DataStreamWebAppService STARTED");
-      //    var defaultWaitTime = TimeSpan.FromMilliseconds(100);
-      //    var innerCancellationToken = cancellationTokenSource.Token;
-      //    var psConfig = config.PubSub ?? throw new InvalidOperationException("PubSub config is null");
-      //    while (!innerCancellationToken.IsCancellationRequested) {
-      //       vsd.doWork();
-      //       masterWorker.doWork();
-      //       Thread.Sleep(defaultWaitTime);
-      //    }
-      //    Log.Gen.info("DataStreamWebAppService STOPPED");
-      //    taskCompletionSource.SetResult();
-      // }
-   }
-
-   public Task StopAsync(CancellationToken cancellationToken) {
-      Log.Gen.info("Stopping DataStreamWebAppService");
-      cancellationTokenSource.Cancel();
-      return Task.CompletedTask;
-      // return taskCompletionSource.Task;
-   }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/appsettings.Production.json

@@ -1,6 +0,0 @@
-{
-  "WebServer": {
-    "ContentRootPath": "build/Bts.DataStreamWebApp.Client/production",
-    "WebRootPath": "dist"
-  }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/appsettings.json

@@ -1,40 +0,0 @@
-{
-  "Logging": {
-    "LogLevel": {
-      "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
-    }
-  },
-  "AllowedHosts": "*",
-  "Spark": {
-    "ConfigServer": "http://localhost:8000/config"
-  },
-  "SparkdCredentials": {
-    "User": "bts",
-    "Password": ""
-  },
-  "MasterWorker": {
-    "Interval": "00:00:00.1"
-  },
-  "PubSub": {
-    "Routing": {
-      "PublisherRoutes": [
-        {
-          "Name": "default",
-          "ServerAddress": "bts-cloud://127.0.0.1:12345",
-          "TagRegExp": ".*"
-        }
-      ],
-      "SubscriberRoutes": [
-        {
-          "Name": "default",
-          "ServerAddress": "bts-cloud://127.0.0.1:12345",
-          "TagRegExp": ".*"
-        }
-      ]
-    }
-  },
-  "ViewStreamDatabase": {
-    "Interval": "00:00:01"
-  }
-}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/wwwroot/alt-index.html

@@ -1,168 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-    <meta charset="utf-8" />
-    <title></title>
-    <style>
-        table {
-            border: 0
-        }
-
-        .commslog-data {
-            font-family: Consolas, Courier New, Courier, monospace;
-        }
-
-        .commslog-server {
-            background-color: red;
-            color: white
-        }
-
-        .commslog-client {
-            background-color: green;
-            color: white
-        }
-    </style>
-</head>
-<body>
-    <h1>ALT WebSocket Sample Application</h1>
-    <p id="stateLabel">Ready to connect...</p>
-    <div>
-        <label for="connectionUrl">WebSocket Server URL:</label>
-        <input id="connectionUrl" />
-        <button id="connectButton" type="submit">Connect</button>
-    </div>
-    <p></p>
-    <div>
-        <label for="sendMessage">Message to send:</label>
-        <input id="sendMessage" disabled />
-        <button id="sendButton" type="submit" disabled>Send</button>
-        <button id="closeButton" disabled>Close Socket</button>
-    </div>
-
-    <h2>Communication Log</h2>
-    <table style="width: 800px">
-        <thead>
-            <tr>
-                <td style="width: 100px">From</td>
-                <td style="width: 100px">To</td>
-                <td>Data</td>
-            </tr>
-        </thead>
-        <tbody id="commsLog">
-        </tbody>
-    </table>
-
-    <script>
-        var connectionUrl = document.getElementById("connectionUrl");
-        var connectButton = document.getElementById("connectButton");
-        var stateLabel = document.getElementById("stateLabel");
-        var sendMessage = document.getElementById("sendMessage");
-        var sendButton = document.getElementById("sendButton");
-        var commsLog = document.getElementById("commsLog");
-        var closeButton = document.getElementById("closeButton");
-        var socket;
-
-        var scheme = document.location.protocol === "https:" ? "wss" : "ws";
-        var port = document.location.port ? (":" + document.location.port) : "";
-
-        connectionUrl.value = scheme + "://" + document.location.hostname + port + "/ws" ;
-
-        function updateState() {
-            function disable() {
-                sendMessage.disabled = true;
-                sendButton.disabled = true;
-                closeButton.disabled = true;
-            }
-            function enable() {
-                sendMessage.disabled = false;
-                sendButton.disabled = false;
-                closeButton.disabled = false;
-            }
-
-            connectionUrl.disabled = true;
-            connectButton.disabled = true;
-
-            if (!socket) {
-                disable();
-            } else {
-                switch (socket.readyState) {
-                    case WebSocket.CLOSED:
-                        stateLabel.innerHTML = "Closed";
-                        disable();
-                        connectionUrl.disabled = false;
-                        connectButton.disabled = false;
-                        break;
-                    case WebSocket.CLOSING:
-                        stateLabel.innerHTML = "Closing...";
-                        disable();
-                        break;
-                    case WebSocket.CONNECTING:
-                        stateLabel.innerHTML = "Connecting...";
-                        disable();
-                        break;
-                    case WebSocket.OPEN:
-                        stateLabel.innerHTML = "Open";
-                        enable();
-                        break;
-                    default:
-                        stateLabel.innerHTML = "Unknown WebSocket State: " + htmlEscape(socket.readyState);
-                        disable();
-                        break;
-                }
-            }
-        }
-
-        closeButton.onclick = function () {
-            if (!socket || socket.readyState !== WebSocket.OPEN) {
-                alert("socket not connected");
-            }
-            socket.close(1000, "Closing from client");
-        };
-
-        sendButton.onclick = function () {
-            if (!socket || socket.readyState !== WebSocket.OPEN) {
-                alert("socket not connected");
-            }
-            var data = sendMessage.value;
-            socket.send(data);
-            commsLog.innerHTML += '<tr>' +
-                '<td class="commslog-client">Client</td>' +
-                '<td class="commslog-server">Server</td>' +
-                '<td class="commslog-data">' + htmlEscape(data) + '</td></tr>';
-        };
-
-        connectButton.onclick = function() {
-            stateLabel.innerHTML = "Connecting";
-            socket = new WebSocket(connectionUrl.value);
-            socket.onopen = function (event) {
-                updateState();
-                commsLog.innerHTML += '<tr>' +
-                    '<td colspan="3" class="commslog-data">Connection opened</td>' +
-                '</tr>';
-            };
-            socket.onclose = function (event) {
-                updateState();
-                commsLog.innerHTML += '<tr>' +
-                    '<td colspan="3" class="commslog-data">Connection closed. Code: ' + htmlEscape(event.code) + '. Reason: ' + htmlEscape(event.reason) + '</td>' +
-                '</tr>';
-            };
-            socket.onerror = updateState;
-            socket.onmessage = function (event) {
-                commsLog.innerHTML += '<tr>' +
-                    '<td class="commslog-server">Server</td>' +
-                    '<td class="commslog-client">Client</td>' +
-                    '<td class="commslog-data">' + htmlEscape(event.data) + '</td></tr>';
-            };
-        };
-
-        function htmlEscape(str) {
-            return str.toString()
-                .replace(/&/g, '&amp;')
-                .replace(/"/g, '&quot;')
-                .replace(/'/g, '&#39;')
-                .replace(/</g, '&lt;')
-                .replace(/>/g, '&gt;');
-        }
-    </script>
-</body>
-</html>

src/DataStreamSuite/Bts.DataStreamWebApp.Server/wwwroot/index.html

@@ -1,176 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-    <meta charset="utf-8" />
-    <title></title>
-    <style>
-        table {
-            border: 0
-        }
-
-        .commslog-data {
-            font-family: Consolas, Courier New, Courier, monospace;
-        }
-
-        .commslog-server {
-            background-color: red;
-            color: white
-        }
-
-        .commslog-client {
-            background-color: green;
-            color: white
-        }
-    </style>
-</head>
-<body>
-    <h1>DataStreams via WebSocket</h1>
-    <p id="stateLabel">Ready to connect...</p>
-    <div>
-        <label for="connectionUrl">WebSocket Server URL:</label>
-        <input id="connectionUrl" />
-        <button id="connectButton" type="submit">Connect</button>
-    </div>
-    <p></p>
-    <div>
-        <label for="sendMessage">Query:</label>
-        <input id="sendMessage" disabled />
-        <button id="sendButton" type="submit" disabled>Send</button>
-        <button id="closeButton" disabled>Close Socket</button>
-    </div>
-
-    <h2>Communication Log</h2>
-    <table style="width: 800px">
-        <thead>
-            <tr>
-                <td style="width: 100px">From</td>
-                <td style="width: 100px">To</td>
-                <td>Data</td>
-            </tr>
-        </thead>
-        <tbody id="commsLog">
-        </tbody>
-    </table>
-
-    <script>
-        var connectionUrl = document.getElementById("connectionUrl");
-        var connectButton = document.getElementById("connectButton");
-        var stateLabel = document.getElementById("stateLabel");
-        var sendMessage = document.getElementById("sendMessage");
-        var sendButton = document.getElementById("sendButton");
-        var commsLog = document.getElementById("commsLog");
-        var closeButton = document.getElementById("closeButton");
-        var socket;
-
-        var scheme = document.location.protocol === "https:" ? "wss" : "ws";
-        var port = document.location.port ? (":" + document.location.port) : "";
-
-        connectionUrl.value = scheme + "://" + document.location.hostname + port + "/ws" ;
-
-        function updateState() {
-            function disable() {
-                sendMessage.disabled = true;
-                sendButton.disabled = true;
-                closeButton.disabled = true;
-            }
-            function enable() {
-                sendMessage.disabled = false;
-                sendButton.disabled = false;
-                closeButton.disabled = false;
-            }
-
-            connectionUrl.disabled = true;
-            connectButton.disabled = true;
-
-            if (!socket) {
-                disable();
-            } else {
-                switch (socket.readyState) {
-                    case WebSocket.CLOSED:
-                        stateLabel.innerHTML = "Closed";
-                        disable();
-                        connectionUrl.disabled = false;
-                        connectButton.disabled = false;
-                        break;
-                    case WebSocket.CLOSING:
-                        stateLabel.innerHTML = "Closing...";
-                        disable();
-                        break;
-                    case WebSocket.CONNECTING:
-                        stateLabel.innerHTML = "Connecting...";
-                        disable();
-                        break;
-                    case WebSocket.OPEN:
-                        stateLabel.innerHTML = "Open";
-                        enable();
-                        break;
-                    default:
-                        stateLabel.innerHTML = "Unknown WebSocket State: " + htmlEscape(socket.readyState);
-                        disable();
-                        break;
-                }
-            }
-        }
-
-        closeButton.onclick = function () {
-            if (!socket || socket.readyState !== WebSocket.OPEN) {
-                alert("socket not connected");
-            }
-            socket.close(1000, "Closing from client");
-        };
-
-        sendButton.onclick = function () {
-            if (!socket || socket.readyState !== WebSocket.OPEN) {
-                alert("socket not connected");
-            }
-            const rpcReq = {
-              jsonrpc: "2.0",
-              method: "subscribe",
-              params: {
-                query: sendMessage.value,
-              },
-              id: 1,
-            };
-            const rpcReqStr = JSON.stringify(rpcReq);
-            socket.send(rpcReqStr);
-            commsLog.innerHTML += '<tr>' +
-                '<td class="commslog-client">Client</td>' +
-                '<td class="commslog-server">Server</td>' +
-                '<td class="commslog-data">' + htmlEscape(rpcReqStr) + '</td></tr>';
-        };
-
-        connectButton.onclick = function() {
-            stateLabel.innerHTML = "Connecting";
-            socket = new WebSocket(connectionUrl.value);
-            socket.onopen = function (event) {
-                updateState();
-                commsLog.innerHTML += '<tr>' +
-                    '<td colspan="3" class="commslog-data">Connection opened</td>' +
-                '</tr>';
-            };
-            socket.onclose = function (event) {
-                updateState();
-                commsLog.innerHTML += '<tr>' +
-                    '<td colspan="3" class="commslog-data">Connection closed. Code: ' + htmlEscape(event.code) + '. Reason: ' + htmlEscape(event.reason) + '</td>' +
-                '</tr>';
-            };
-            socket.onerror = updateState;
-            socket.onmessage = function (event) {
-                commsLog.innerHTML += '<tr>' +
-                    '<td class="commslog-server">Server</td>' +
-                    '<td class="commslog-client">Client</td>' +
-                    '<td class="commslog-data">' + htmlEscape(event.data) + '</td></tr>';
-            };
-        };
-
-        function htmlEscape(str) {
-            return str.toString()
-                .replace(/&/g, '&amp;')
-                .replace(/"/g, '&quot;')
-                .replace(/'/g, '&#39;')
-                .replace(/</g, '&lt;')
-                .replace(/>/g, '&gt;');
-        }
-    </script>
-</body>
-</html>

src/DataStreamSuite/Bts.Extensions.DependencyInjection/Bts.Extensions.DependencyInjection.csproj

@@ -1,13 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
-  </ItemGroup>
-
-</Project>

src/DataStreamSuite/Bts.Extensions.DependencyInjection/IDependOn.cs

@@ -1,11 +0,0 @@
-namespace Bts.Extensions.DependencyInjection;
-
-/// <summary>
-/// This interface provides a way to move dependencies outside of the constructor (and accept them
-/// via <see cref="IDependOn{T}.Reset(T?)"/> instead). It was designed to resolve circular
-/// dependency issues among startup services.
-/// </summary>
-/// <typeparam name="T">The type of dependency</typeparam>
-public interface IDependOn<T> {
-   void Reset(T? value);
-}

src/DataStreamSuite/Bts.Extensions.DependencyInjection/IDependOnKeyed.cs

@@ -1,6 +0,0 @@
-#nullable enable
-namespace Bts.Extensions.DependencyInjection;
-
-public interface IDependOnKeyed<T> : IDependOn<T> {
-   string Key { get; }
-}

src/DataStreamSuite/Bts.Extensions.DependencyInjection/ServiceCollectionExtensions.cs

@@ -1,130 +0,0 @@
-namespace Bts.Extensions.DependencyInjection;
-
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Hosting;
-
-using System;
-using System.Linq;
-
-public static class ServiceCollectionExtensions {
-   /// <summary>
-   /// Adds a singleton service only if a service of type <typeparamref name="T"/> hasn't been added
-   /// already.
-   /// </summary>
-   /// <typeparam name="T"></typeparam>
-   /// <param name="services"></param>
-   /// <returns></returns>
-   public static IServiceCollection EnsureSingleton<T>(this IServiceCollection services) where T : class =>
-      services.HasService<T>()
-         ? services
-         : services.AddSingleton<T>();
-
-   /// <summary>
-   /// Adds a singleton service only if a service of type <typeparamref name="T"/> hasn't been added
-   /// already.
-   /// </summary>
-   /// <typeparam name="T"></typeparam>
-   /// <param name="services"></param>
-   /// <returns></returns>
-   public static IServiceCollection EnsureSingleton<T>(this IServiceCollection services, Func<IServiceProvider, T> implementationFactory) where T : class =>
-      services.HasService<T>()
-         ? services
-         : services.AddSingleton(implementationFactory);
-
-   /// <summary>
-   /// Adds a singleton service only if a service of type <typeparamref name="T"/> hasn't been added
-   /// already.
-   /// </summary>
-   /// <typeparam name="T">The type of the service to add.</typeparam>
-   /// <typeparam name="TImplementation">The type of the implementation to use.</typeparam>
-   /// <param name="services">The <see cref="IServiceCollection"/> to add the service to.</param>
-   /// <returns>A reference to this instance after the operation has completed.</returns>
-   public static IServiceCollection EnsureSingleton<T, TImplementation>(this IServiceCollection services) where T : class where TImplementation : class, T =>
-      services.HasService<T>()
-         ? services
-         : services.AddSingleton<T, TImplementation>();
-
-   /// <summary>
-   /// Adds a singleton service only if a service of type <typeparamref name="T"/> hasn't been added
-   /// already.
-   /// </summary>
-   /// <typeparam name="T">The type of the service to add.</typeparam>
-   /// <param name="services">The <see cref="IServiceCollection"/> to add the service to.</param>
-   /// <returns>A reference to this instance after the operation has completed.</returns>
-   public static IServiceCollection EnsureSingleton<T>(this IServiceCollection services, Func<IServiceProvider, object?, T> implementationFactory) where T : class =>
-      services.HasService<T>()
-         ? services
-         : services.AddSingleton(implementationFactory);
-
-   /// <summary>
-   /// Adds a singleton service only if a service of type <typeparamref name="T"/> hasn't been added
-   /// already.
-   /// </summary>
-   /// <typeparam name="T">The type of the service to add.</typeparam>
-   /// <typeparam name="TImplementation">The type of the implementation to use.</typeparam>
-   /// <param name="services">The <see cref="IServiceCollection"/> to add the service to.</param>
-   /// <returns>A reference to this instance after the operation has completed.</returns>
-   public static IServiceCollection EnsureSingleton<T, TImplementation>(this IServiceCollection services, Func<IServiceProvider, TImplementation> implementationFactory) where T : class where TImplementation : class, T =>
-      services.HasService<T>()
-         ? services
-         : services.AddSingleton(implementationFactory);
-
-   /// <summary>
-   /// Adds a singleton service only if a service of type <typeparamref name="T"/> hasn't been added
-   /// already.
-   /// </summary>
-   /// <typeparam name="T">The type of the service to add.</typeparam>
-   /// <param name="services">The <see cref="IServiceCollection"/> to add the service to.</param>
-   /// <returns>A reference to this instance after the operation has completed.</returns>
-   public static IServiceCollection EnsureKeyedSingleton<T>(this IServiceCollection services, object? key) where T : class =>
-      services.HasKeyedService<T>(key)
-         ? services
-         : services.AddKeyedSingleton<T>(key);
-
-   /// <summary>
-   /// Adds a singleton service only if a service of type <typeparamref name="T"/> hasn't been added
-   /// already.
-   /// </summary>
-   /// <typeparam name="T">The type of the service to add.</typeparam>
-   /// <param name="services">The <see cref="IServiceCollection"/> to add the service to.</param>
-   /// <param name="implementationFactory">The factory that creates the service.</param>
-   /// <returns>A reference to this instance after the operation has completed.</returns>
-   public static IServiceCollection EnsureKeyedSingleton<T>(this IServiceCollection services, object? key, Func<IServiceProvider, object?, T> implementationFactory) where T : class =>
-      services.HasKeyedService<T>(key)
-         ? services
-         : services.AddKeyedSingleton(key, implementationFactory);
-
-   /// <summary>
-   /// Adds a singleton service only if a service of type <typeparamref name="T"/> hasn't been added
-   /// already.
-   /// </summary>
-   /// <typeparam name="T">The type of the service to add.</typeparam>
-   /// <param name="services">The <see cref="IServiceCollection"/> to add the service to.</param>
-   /// <returns>A reference to this instance after the operation has completed.</returns>
-   public static IServiceCollection EnsureHostedService<T>(this IServiceCollection services) where T : class, IHostedService =>
-      services.HasService<T>()
-         ? services
-         : services.AddHostedService<T>();
-
-   /// <summary>
-   /// Adds a singleton service only if a service of type <typeparamref name="T"/> hasn't been added
-   /// already.
-   /// </summary>
-   /// <typeparam name="T">The type of the service to add.</typeparam>
-   /// <param name="services">The <see cref="IServiceCollection"/> to add the service to.</param>
-   /// <param name="implementationFactory">The factory that creates the service.</param>
-   /// <returns>A reference to this instance after the operation has completed.</returns>
-   public static IServiceCollection EnsureHostedService<T>(this IServiceCollection services, Func<IServiceProvider, T> implementationFactory) where T : class, IHostedService =>
-      services.HasService<T>()
-         ? services
-         : services.AddHostedService(implementationFactory);
-
-   public static bool HasService<T>(this IServiceCollection services) =>
-      services.Any(s => s.ServiceType.IsAssignableTo(typeof(T)));
-
-   public static bool HasServiceImplementation<T, TImplementation>(this IServiceCollection services) =>
-      services.Any(s => s.ServiceType.IsAssignableTo(typeof(T)) && s.ImplementationType == typeof(TImplementation));
-
-   public static bool HasKeyedService<T>(this IServiceCollection services, object? key) =>
-      services.Any(s => Equals(s.ServiceKey, key) && s.ServiceType.IsAssignableTo(typeof(T)));
-}

src/DataStreamSuite/DataStream/DataStream.csproj

@@ -14,13 +14,15 @@
     <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
     <ProjectReference Include="..\DataStreamExpressions\DataStreamExpressions.csproj" />
     <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-    <ProjectReference Include="..\Bts.Extensions.DependencyInjection\Bts.Extensions.DependencyInjection.csproj" />
   </ItemGroup>
 
   <ItemGroup>
     <PackageReference Include="HtmlAgilityPack" Version="1.11.57" />
+    <PackageReference Include="Microsoft.Data.Analysis" Version="0.21.1" />
     <PackageReference Include="MongoDB.Bson" Version="2.23.1" />
     <PackageReference Include="MongoDB.Driver" Version="2.23.1" />
+    <PackageReference Include="Parquet.Net" Version="5.0.1" />
+    <PackageReference Include="System.Data.SQLite" Version="1.0.118" />
   </ItemGroup>
 
 </Project>

src/DataStreamSuite/DataStream/DataStreamActivator.cs

@@ -1,35 +0,0 @@
-namespace Bts.DataStream;
-
-using BCG;
-
-using System;
-using System.Collections.Generic;
-
-public class BoundImportAttribute {
-   
-}
-
-public class DataStreamActivator {
-   Dictionary<string, Type> myTypeLookupTable = new();
-
-   /// <summary>
-   /// Constructs and returns a ViewStream of type corresponding to the friendly name
-   /// </summary>
-   /// <param name="friendlyName">friendly primitive name </param>
-   /// <param name="args">args can be null or an empty ICollection if the paramterless constructor
-   /// is the desired one</param>
-   /// <returns></returns>
-   public ViewStream Activate(string friendlyName, IList<object>? args) {
-      object[]? constructorArgs = null;
-      if (args != null && args.Count > 0) {
-         constructorArgs = new object[args.Count];
-         args.CopyTo(constructorArgs, 0);
-      }
-      if (!myTypeLookupTable.TryGetValue(friendlyName, out var type)) {
-         throw new ApplicationException(friendlyName + " is not the friendly name of any of the loaded types");
-      }
-      return constructorArgs is null ?
-         Activator.CreateInstance(myTypeLookupTable[friendlyName] as Type) as ViewStream :
-         Activator.CreateInstance(myTypeLookupTable[friendlyName] as Type, constructorArgs) as ViewStream;
-   }
-}

src/DataStreamSuite/DataStream/IViewStreamFactory.cs

@@ -1,7 +0,0 @@
-namespace Bts.DataStream;
-
-using BCG;
-
-public interface IViewStreamFactory {
-   public ViewStream? Create();
-}

src/DataStreamSuite/DataStream/Misc/DSLStream.cs

@@ -0,0 +1,32 @@
+namespace bts.SilverPine {
+   using System;
+   using BCG;
+   using System.Collections.Generic;
+   using Bts.DataStreamExpressions;
+
+   // All this does is take in a dsl expression, parse it and fire the data that come out of running it.
+   // So for example, if an expresison is passed 
+   [DataStreamUserRespresentation("dsl")]
+   public class DSLStream : ViewStream {
+      private readonly string _dsl;
+      public DSLStream(string dsl) {
+         Log.Gen.info($"DSLStream.cons dsl: {dsl}");
+         _dsl = dsl;
+         ViewStream rs = build_stream(dsl);
+         rs = rs ?? new LiteralStream("error", $"msg:invalid dsl \"{dsl}\"");
+         mySetRealSource(rs);
+      }
+
+      static ViewStream? build_stream(string stream_expression) {
+         try {
+            var exp = DataStreamExpressionsInterpreter.Evaluate(stream_expression);
+            var rv = exp.getView(new Dictionary<string, StatementExpression>(0));
+            return rv;
+
+         } catch (Exception ex) {
+            Log.Gen.error($"Could not build stream: {stream_expression} ex: {ex}");
+            return null;
+         }
+      }
+   }
+}

src/DataStreamSuite/DataStream/Misc/PandasScriptStream.cs

@@ -11,8 +11,11 @@ public class PandasScriptStream : ViewStream {
    public PandasScriptStream(ViewStream vs, string file)
       : this(vs, file, null) { }
 
-   public PandasScriptStream(ViewStream vs, string file, string? pythonExe) {
-      mySetRealSource(AttachStream<PandasStream>(new(vs, readFile(), pythonExe)));
+   public PandasScriptStream(ViewStream vs, string file, string? pythonExe)
+      : this(vs, file, pythonExe, ViewStreamDatabase.instance) { }
+
+   public PandasScriptStream(ViewStream vs, string file, string? pythonExe, ViewStreamDatabase vsd) {
+      mySetRealSource(new PandasStream(vs, readFile(), pythonExe, vsd));
 
       string readFile() {
          try {

src/DataStreamSuite/DataStream/Misc/PandasStream.cs

@@ -1,6 +1,7 @@
 namespace Bts.DataStream;
 
 using BCG;
+using BCG.Extensions;
 using BCG.Utilities.General;
 
 using bts;
@@ -22,6 +23,7 @@ public class PandasStream : ViewStream, IWorker {
    readonly string inputFile = $"PandasStream_{Guid.NewGuid()}.csv";
    readonly string outputFile = $"PandasStream_{Guid.NewGuid()}.csv";
    readonly string pythonExe;
+   readonly ViewStreamDatabase vsd;
    readonly CSVSaverStream inputCsvStream;
    readonly Lazy<string> pythonCode;
    IDictionary<int, IBlueRow>? lastRowMap = null;
@@ -32,11 +34,12 @@ public class PandasStream : ViewStream, IWorker {
    IDisposable? dispose;
 
    public PandasStream(ViewStream vs, string dataFrameExpression)
-      : this(vs, dataFrameExpression, null) { }
+      : this(vs, dataFrameExpression, null, ViewStreamDatabase.instance) { }
 
-   public PandasStream(ViewStream vs, string dataFrameExpression, string? pythonExe) {
+   public PandasStream(ViewStream vs, string dataFrameExpression, string? pythonExe, ViewStreamDatabase vsd) {
       pythonExe ??= Environment.GetEnvironmentVariable("PYTHON_EXE") ?? @"C:\Users\johnc\GoogleDrive\Repos\bts\spark\.venv\Scripts\python.exe";
       this.pythonExe = pythonExe;
+      this.vsd = vsd;
       // This should fire an update when it writes to the output file
       inputCsvStream = new CSVSaverStream(vs, inputFile, true, int.MaxValue, true);
       pythonCode = new(getPythonCode);
@@ -56,7 +59,7 @@ import sys
    }
 
    protected override void myOnFirstSubscriber() {
-      base.myOnFirstSubscriber();
+      vsd.addWorker(this);
       inputCsvStream.onChange += onInputChanged;
       this.dispose = Disposable.Create(dispose);
 
@@ -65,6 +68,7 @@ import sys
 
       void dispose() {
          inputCsvStream.onChange -= onInputChanged;
+         vsd.removeWorker(this);
          deleteFile(inputFile);
          deleteFile(outputFile);
       }
@@ -81,10 +85,8 @@ import sys
       }
    }
 
-   protected override void myOnLastSubscriber() {
-      base.myOnLastSubscriber();
+   protected override void myOnLastSubscriber() =>
       Disposable.dispose(ref dispose);
-   }
 
    static void executePythonCode(string pythonCode, string? pythonExe = null) {
       pythonExe ??= "python";

src/DataStreamSuite/DataStream/Misc/TCPConnectionTestStream.cs

@@ -10,6 +10,7 @@ namespace BCG {
         }
         private readonly string _ip;
         private readonly int _port;
+        private readonly ViewStreamDatabase _vsd;
         State _state = new State();
         private readonly int _msg_size;
 
@@ -18,10 +19,13 @@ namespace BCG {
         private ITCPConnection _connection = null;
         private byte[] _buff;
 
-        public TCPConnectionTestStream(string ip, int port, int msg_size, int send_period_seconds) {
+        public TCPConnectionTestStream(string ip, int port, int msg_size, int send_period_seconds) :
+        this(ip, port, msg_size, send_period_seconds, ViewStreamDatabase.instance) { }
+        public TCPConnectionTestStream(string ip, int port, int msg_size, int send_period_seconds, ViewStreamDatabase vsd) {
             _ip = ip;
             _port = port;
             _msg_size = msg_size;
+            _vsd = vsd;
             _schema = BlueDataUtility.form_schema("TCPClient",
             Tuple.Create("id", TypeCode.Int32),
             Tuple.Create("n_sends", TypeCode.UInt32),
@@ -72,4 +76,4 @@ namespace BCG {
 
 
     }
-}
+}

src/DataStreamSuite/DataStream/Offloading/CloudStreamManager.cs

@@ -2,14 +2,13 @@ using System;
 using System.Collections.Generic;
 
 using Bts.DataStreamExpressions;
+using BCG.Utilities.General;
 using bts;
-using Bts.DataStreamCore;
-using Bts.PubSub;
 
 namespace BCG {
    // listens to the requests posted on "cloud_streams" request table, and 
    // if unfulfilled starts a ViewPubsliher
-   public class RemoteQueryManager : IParameterizedWorker {
+   public class RemoteQueryManager : IWorker {
       public class StreamPubUnit {
          public string name;
          public string stream_expression;
@@ -25,13 +24,12 @@ namespace BCG {
             view_publisher = view_publisher_;
          }
       }
-      static ViewStream? build_stream(string stream_expression, PrimitiveManager primitiveManager, IServiceProvider serviceProvider)
+      static ViewStream? build_stream(string stream_expression)
       {
          try
          {
             var exp = DataStreamExpressionsInterpreter.Evaluate(stream_expression);
-            var rv = exp.getView(new Dictionary<string, StatementExpression>(0), primitiveManager);
-            rv?.Reset(serviceProvider);
+            var rv = exp.getView(new Dictionary<string, StatementExpression>(0));
             return rv;
 
          } catch (Exception ex) {
@@ -42,25 +40,17 @@ namespace BCG {
       private IDictionary<string, StreamPubUnit>
          _stream_pub_map = new Dictionary<string, StreamPubUnit>();
       private ViewStream _stream = new TableStream("cloud_streams");
-      readonly IPubTableBroker _broker;
-      private readonly ManagedSubscriber _sub;
-      readonly PrimitiveManager primitiveManager;
-      readonly IServiceProvider serviceProvider;
+      private PubTableBroker _broker = new PubTableBroker();
+      private ManagedSubscriber _sub = ManagedSubscriber.instance;
 
-      public RemoteQueryManager(ManagedSubscriber sub, IPubTableBroker broker, PrimitiveManager primitiveManager, IServiceProvider serviceProvider) {
-         _sub = sub;
-         _broker = broker;
-         this.primitiveManager = primitiveManager;
-         this.serviceProvider = serviceProvider;
+
+      public RemoteQueryManager() {
          _stream.onChange += _on_str;
          _sub.subscribe("RemoteRequest", (string tag, byte[] data) => {
             RemoteRequest req = RemoteRequest.construct_from_bytes(data);
             _spawn_remote_stream(req.published_table_name, req.stream_expression, false);
          });
       }
-
-      TimeSpan IParameterizedWorker.Interval => TimeSpan.FromSeconds(1);
-
       private void _on_str(object obj)
       {
          if (obj is not DataPacket dp) {
@@ -79,11 +69,7 @@ namespace BCG {
 
       private void _spawn_remote_stream(string name, string stream_expression, bool persist) {
          bts.Log.Gen.info($"CloudStreamManager.assign name: {name} stream_expression: {stream_expression}");
-         var stream = build_stream(stream_expression, primitiveManager, serviceProvider);
-         if (stream is null) {
-            Log.Gen.error($"Failed to spawn remote stream. stream_expression: {stream_expression}");
-            return;
-         }
+         ViewStream stream = build_stream(stream_expression);
          _expose_to_ws(name, stream);
          if (persist) {
             stream = new PersistorStream(stream, name, "C:\\Temp\\", 1000000);   // 10MBs

src/DataStreamSuite/DataStream/Offloading/RemoteQueryStream.cs

@@ -1,6 +1,6 @@
-using bts;
+using BCG;
 
-using Microsoft.Extensions.DependencyInjection;
+using bts;
 
 using System;
 
@@ -9,7 +9,7 @@ namespace BCG {
    [DataStreamUserRespresentation("remoteQuery")]
    public class RemoteQueryStream : ViewStream {
       private readonly string _name, _stream_exp;
-      IPublisherCore? _publisher_core_backing;
+      private PublisherCore _publisher_core = new PublisherCore();
       private ViewStream _source_str;
 
       public RemoteQueryStream(params string[] lines) {
@@ -20,14 +20,7 @@ namespace BCG {
 
       }
 
-      IPublisherCore? _publisher_core =>
-         _publisher_core_backing ??= ServiceProvider?.GetService<IPublisherCore>();
-
       protected override void myOnFirstSubscriber() {
-         if (_publisher_core is null) {
-            throw new InvalidOperationException(
-               "Unable to initialize PublisherStream because PublisherCore is null");
-         }
          RemoteRequest rem_req = new RemoteRequest(_stream_exp, _name);
          byte[] rem_req_bytes = rem_req.serialize();
          _publisher_core.publish("System", "RemoteRequest", rem_req_bytes);

src/DataStreamSuite/DataStream/Primitives/AddColumns/AddColumnsStream.cs

@@ -15,7 +15,7 @@ namespace BCG {
 
       public AddColumnsStream(ViewStream vs, string col_def) {
          _new_col = parse_exp(col_def);
-         ViewStream rs = AttachStream(new MapStream(vs, _get_schema, _map));
+         ViewStream rs = new MapStream(vs, (IBlueTableSchema s) => _get_schema(s), (IBlueRow r) => _map(r));
          mySetRealSource(rs);
       }
 

src/DataStreamSuite/DataStream/Primitives/AxisTransposition/YXTranspositionStream.cs

@@ -91,14 +91,10 @@ namespace BCG
          }
          _increment_values = increment_values_del;
          _get_column_prefix = get_column_prefix_del;
-         if(only_fire_once) {
-            ViewStream vs = AttachStream(new OnlyFireOnceStream(stream));
-            vs = AttachStream(new NonIncGroupByStream(vs, this));
-            mySetRealSource(vs);
-         } else {
-            ViewStream vs = AttachStream(new NonIncGroupByStream(stream, this));
-            mySetRealSource(vs);
-         }
+         if(only_fire_once)
+            mySetRealSource(new NonIncGroupByStream(new OnlyFireOnceStream(stream), this));
+         else
+            mySetRealSource(new NonIncGroupByStream(stream, this));
       }
 
       private void _set_schema(List<string> tc_prefixes, Pair<string, Type>[] group_by_col_info, string table_name)
@@ -245,4 +241,4 @@ namespace BCG
          return values;
       }
    }
-}
+}

src/DataStreamSuite/DataStream/Primitives/Case Changing/CaseChangeStream.cs

@@ -14,7 +14,7 @@ namespace BCG
       public CaseChangeStream(ViewStream input, bool toUpper, params string[] columnsToChangeCase)
       {
          myCaseChangingColumns = columnsToChangeCase;         
-         mySetRealSource(AttachStream(new SuperMapStream(input, this)));
+         mySetRealSource(new SuperMapStream(input, this));
          myIsUpperCase = toUpper;
       }
 

src/DataStreamSuite/DataStream/Primitives/ConcatenateColumns/ConcatenateColumnsStream.cs

@@ -32,10 +32,10 @@ namespace BCG
          
       {
          mySetRealSource (
-            AttachStream(new MapStream (sourceStream, 
+            new MapStream (sourceStream, 
                            isConcatenatedDataConfined ? new ConcatenateColumnsMapperForSameDataSet (columnDefs) :
                                                          new ConcatenateColumnsMapper (columnDefs)
-                        ))
+                        )
          );
       }
    }

src/DataStreamSuite/DataStream/Primitives/Crushing/AverageCollectorStream.cs

@@ -10,7 +10,7 @@ namespace BCG
         public AverageCollectorStream(ViewStream stream, params string[] columnsToAverage)
         {        
             myAveragingColumns = columnsToAverage;
-            mySetRealSource(AttachStream(new CrushingCollectorStream(stream, this)));
+            mySetRealSource(new CrushingCollectorStream(stream, this));
         }
         
         private string[] myAveragingColumns;

src/DataStreamSuite/DataStream/Primitives/Distinct/DistinctRowStream.cs

@@ -1,23 +1,24 @@
+using bts;
+
 using System;
 using System.Collections;
 
-namespace BCG
-{
+namespace BCG {
 	/// <summary>
 	/// Provides a stream that with distinct rows with respect to the columns
 	/// the user specifies in the argument
 	/// </summary>
-	[DataStreamUserRespresentation ("distinct")]
-	public class DistinctRowStream : ViewStream
-	{
-		public DistinctRowStream (ViewStream stream, params string[] cols)
-		{
-         ArrayList groupByCols = new ArrayList ();
-         foreach (string col in cols)
-            foreach (string c in col.Split (' '))
-               groupByCols.Add (c);
-         mySetRealSource (AttachStream(new GroupByStream (stream, 
-            new DistinctRowEvaluator (groupByCols.ToArray (typeof(string)) as string[]), false)));
+	[DataStreamUserRespresentation("distinct")]
+	public class DistinctRowStream : ViewStream {
+		public DistinctRowStream(ViewStream stream, params string[] cols) {
+			var g_by_eval = new DistinctRowEvaluator(cols);
+			ViewStream r = new GroupByStream(stream, g_by_eval);
+			var proj_exp = String.Empty;
+			foreach (var c in cols)
+				proj_exp += $"{c} ";
+			proj_exp = proj_exp.Trim();
+			r = new NewProjectStream(r, proj_exp);
+			mySetRealSource(r);
 		}
 	}
 }

src/DataStreamSuite/DataStream/Primitives/FileStreams/DumpLoaderStream.cs

@@ -1,49 +0,0 @@
-// using System;
-// using System.Collections.Generic;
-// using System.Text;
-// using System.IO;
-
-// using System.Runtime.Serialization.Formatters.Binary;
-
-// namespace BCG
-// {
-//    public class DumpLoaderStream : ViewStream, ISideEffectStream
-//    {
-//       //wtf
-//       //public class Exception : System.Exception
-//       //{public Exception(string msg) : base(msg) { }}
-
-//       public DumpLoaderStream(string fileName, int secondsBetweenPolls)
-//       {
-//          mySetRealSource(
-//             new PollStream(() => new LoaderStream(fileName).rows, secondsBetweenPolls, 
-//                ViewStreamDatabase.instance));
-//       }
-
-//       public DumpLoaderStream(string fileName)
-//       {
-//         if (fileName == null)
-//            throw new LoaderStream.Exception("File name cannot be null");
-
-//         for (int i = 0; i < 5; i++)
-//            try
-//            {
-//               using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
-//               {
-//                  IClientDeserializer deser = new ClientUniversalDeserializer();
-//                  byte[] the_ops;
-//                  Array the_rows;
-//                  deser.deserialize(new Stream[] { fs }, out the_ops, out the_rows);
-
-//                  mySetRealSource(new BlueRowCollectionStaticStream((IBlueRowCollection)the_rows.GetValue(0)));
-//               }
-//               break;
-//            }
-//            catch (IOException)
-//            {
-//               System.Threading.Thread.Sleep(50);
-//            }
-
-//       }
-//    }
-// }

src/DataStreamSuite/DataStream/Primitives/FileStreams/LoaderStream.cs

@@ -1,6 +1,7 @@
 using BCG;
 
 namespace bts {
+   // This is the other side of the SaverStream, its "loads" the stream and fires once
    [DataStreamUserRespresentation("loader")]
    public class LoaderStream : ViewStream {
 

src/DataStreamSuite/DataStream/Primitives/FileStreams/PersistorStream.cs

@@ -5,10 +5,11 @@ using System.Text;
 using System.IO;
 using Google.Protobuf;
 using System.Globalization;
-using bts;
+using BCG;
 
-namespace BCG {
-   // Writes all the udpates to a stream in a file.
+namespace bts {
+   // Writes all the udpates to a stream in a file or multiples files dependong on the rollover size (as opposed to Saver
+   // which just writes one update, as a create)
    // File naming:
    // token_epoch_yyyyMMdd_HHmmss
    // File location: directory(passed)\token\
@@ -94,10 +95,10 @@ namespace BCG {
       void _on_change(object new_value) {
          DataPacket dp = new_value as DataPacket;
          byte[] serialized_update = null;
-         bool _write_create = _serializer == null || _n_updates_in_current_file == 0;
+         bool first_write = _serializer == null || _n_updates_in_current_file == 0;
          _serializer = _serializer ?? new UniversalStreamIOSerializer();
-         if (_write_create) {
-            // new files always starts with create
+         if (first_write) {
+            // first file always starts with create
             serialized_update = _serializer.serialize(new bts.StreamIOMessage(new bts.StreamIOMessage.CreateMessage(dp.newRows)));
          } else
             serialized_update = _serializer.serialize(new bts.StreamIOMessage(new bts.StreamIOMessage.MultipleRemoveAddMessage(dp.deletedRows, dp.addedRows)));
@@ -105,8 +106,8 @@ namespace BCG {
          long utc_epoch = epoch_now();
 
          //time, length of data, data
-         bw.Write(utc_epoch);
-         bw.Write(serialized_update.Length);
+         //bw.Write(utc_epoch);
+         //bw.Write(serialized_update.Length);
          bw.Write(serialized_update);
          _out_fs.Flush();
          myFireEvent(dp);

src/DataStreamSuite/DataStream/Primitives/FileStreams/PlaybackStream.cs

@@ -1,190 +0,0 @@
-// using System;
-// using System.Collections.Generic;
-// using System.Linq;
-// using System.Text;
-// using System.IO;
-// using System.Runtime.Serialization.Formatters.Binary;
-// using BCG.Utilities.General;
-// using bts.collections;
-// using System.Reflection.Metadata;
-
-
-// namespace BCG {
-
-//    public class PlaybackStream : ViewStream, IWorker {
-//       private readonly PlaybackType _type;
-//       private BlueTable _current_table;
-//       private IClientDeserializer _deserilializer = new ClientUniversalDeserializer();
-//       // these are the packets already downloaded from the current file
-//       private List<PlaybackPacket> _packets = new List<PlaybackPacket>();
-//       //private IEnumerable<FileStream> _file_streams = new List<FileStream>();
-//       private IEnumerable<string> _file_names;
-//       private Tuple<int, FileStream> _current_fs = new Tuple<int, FileStream>(-1, null);
-//       private DateTime _playback_t0, _playback_t1;
-//       private bool _all_files_read = false;
-//       SnapshotData _snapshot_data = null; // only initialized when in snapshot mode
-
-//       public PlaybackStream(string datetime_start, string datetime_end, string directory_name, string token) {
-//          _type = PlaybackType.Streaming;
-//          _playback_t0 = PersistorStream.parse_datetime(datetime_start);
-//          _playback_t1 = PersistorStream.parse_datetime(datetime_end);
-//          string token_directory_name = $"{directory_name}\\{token}";
-//          bts.Log.Gen.info($"PlaybackStream t0: {_playback_t0} t1: {_playback_t1} dir: {token_directory_name}");
-//          List<string> files_in_range = new List<string>();
-//          if (Directory.Exists(token_directory_name)) {
-//             _file_names =
-//          Directory.GetFiles(token_directory_name).Where(f => {
-//             DateTime file_time = PersistorStream.parse_datetime_from_filename(f);
-//             return file_time > _playback_t0 && file_time < _playback_t1;
-//          });
-//          }
-//       }
-
-//       protected override void myOnFirstSubscriber() {
-//          FileStream fs = new FileStream(_snapshot_data.snapshot_file, FileMode.Open, FileAccess.Read);
-//          _snapshot_data.packets = StreamPersistorUtils.load_packets_from_file(fs);
-//          PlaybackPacket snapshot_packet = StreamPersistorUtils.find_packet_at_time(_snapshot_data.packets, _snapshot_data.snapshot_time);
-//          if (snapshot_packet != null) {
-//             foreach (PlaybackPacket p in _snapshot_data.packets) {
-//                byte[] ops;
-//                Array row_array;
-//                _deserilializer.deserialize(new Stream[] { new MemoryStream(p.data) }, out ops, out row_array);
-//                for (int i = 0; i < ops.Length; i++) {
-//                   IBlueRowCollection[] rows_args = row_array.GetValue(i) as IBlueRowCollection[];
-//                   byte op = ops[i];
-//                   if (op == StreamOpCode.create) {
-//                      IBlueRowCollection full_table = rows_args[0];
-//                      _current_table = new BlueTable(full_table);
-//                   } else if (op == StreamOpCode.multipleRemoveAdd) {
-//                      //IBlueRowCollection[] del_added = rows_args.GetValue(0) as IBlueRowCollection[];
-//                      IBlueRowCollection dels = rows_args.GetValue(0) as IBlueRowCollection;
-//                      IBlueRowCollection adds = rows_args.GetValue(1) as IBlueRowCollection;
-//                      BlueDataUtility.absorbChanges(_current_table, dels, adds);
-//                   } else {
-//                      bts.Log.assert(false, $"Oprator: {op} is not expected");
-//                   }
-//                   if (p.idx == snapshot_packet.idx) {
-//                      myFireEvent(new DataPacket(_current_table, _current_table, new BlueTable(_current_table.schema)));
-//                      break;
-//                   }
-//                }
-//             }
-//          }
-//       }
-
-
-//       private void _load_packets_from_current_file() {
-//          int curr_idx = _current_fs.Item1;
-//          FileStream curr_fs = _current_fs.Item2;
-//          _packets = new List<PlaybackPacket>();
-//          _packets.AddRange(StreamPersistorUtils.load_packets_from_file(curr_fs));
-//       }
-
-//       private bool current_file_all_replayed {
-//          get {
-//             bool rv = true;
-//             _packets.ForEach(p => rv = rv && p.replayed);
-//             return rv;
-//          }
-//       }
-
-//       protected override void myOnLastSubscriber() {
-//          var fs = _current_fs.Item2;
-//          if (fs != null) {
-//             fs.Close();
-//          }
-//          ViewStreamDatabase.instance.removeWorker(this);
-//       }
-
-//       // public event PlaybackStreamProgress onProgress;
-//       // public event Action onFileExhausted;
-//       private PlaybackPacket _locate_packet_to_replay() {
-//          foreach (var p in _packets) {
-//             // returns the first non replayed packet
-//             if (!p.replayed)
-//                return p;
-//          }
-//          //else
-//          {
-//             double secondsElapsed = new BinaryReader(myFileReader).ReadDouble();
-//             myNextPacketTime = myPlaybackStart + new TimeSpan(0, 0, 0, 0, (int)(1000 * secondsElapsed / myPlaybackSpeed));
-//             if (onProgress != null)
-//                onProgress(myFileReader.Position, myFileReader.Length);
-//          }
-//       }
-
-//       #region IWorker Members
-
-//       public void doWork() {
-//          if (_all_files_read)
-//             return;
-//          if (current_file_all_replayed) {
-//             _load_next_file();
-//          }
-//          PlaybackPacket curr_packet = _locate_packet_to_replay();
-//          if (curr_packet.idx == 0) { // first packet in the file, fire it rightaway 
-//             byte[] ops;
-//             Array row_array;
-//             // what a stupid interface!
-//             _deserilializer.deserialize(new Stream[] { new MemoryStream(curr_packet.data) }, out ops, out row_array);
-//             _fire_packet(ops, row_array);
-//             curr_packet.replay_timestamp = PersistorStream.epoch_now();
-//          } else {
-//             PlaybackPacket prev_packet = _get_previous_packet(curr_packet);
-//             // this is the time we need to fire (replay) this packet
-//             long time_to_fire = prev_packet.replay_timestamp + curr_packet.offset_from_previous;
-//             long now_epoch = PersistorStream.epoch_now();
-//             // fire when we are past the 
-//             if (now_epoch >= time_to_fire) {
-//                byte[] ops;
-//                Array row_array;
-//                _deserilializer.deserialize(new Stream[] { new MemoryStream(curr_packet.data) }, out ops, out row_array);
-//                _fire_packet(ops, row_array);
-//                curr_packet.replay_timestamp = PersistorStream.epoch_now();
-//             }
-//          }
-//       }
-
-//       private void _fire_packet(byte[] ops, Array row_array) {
-//          for (int i = 0; i < ops.Length; i++) {
-//             IBlueRowCollection[] rows_args = row_array.GetValue(i) as IBlueRowCollection[];
-//             byte op = ops[i];
-//             if (op == StreamOpCode.create) {
-//                IBlueRowCollection full_table = rows_args[0];
-//                _current_table = new BlueTable(full_table);
-//                //_current_table.addRows(full_table);
-//                myFireEvent(new DataPacket(full_table, full_table, myLastValue == null ? new BlueTable(full_table.schema) :
-//                                           (myLastValue as DataPacket).newRows));
-//             } else if (op == StreamOpCode.multipleRemoveAdd) {
-//                //IBlueRowCollection[] del_added = rows_args.GetValue(0) as IBlueRowCollection[];
-//                IBlueRowCollection dels = rows_args.GetValue(0) as IBlueRowCollection;
-//                IBlueRowCollection adds = rows_args.GetValue(1) as IBlueRowCollection;
-//                BlueDataUtility.absorbChanges(_current_table, dels, adds);
-//                myFireEvent(new DataPacket(_current_table, adds, dels));
-//             } else {
-//                bts.Log.assert(false, $"Oprator: {op} is not expected");
-//             }
-
-//          }
-//       }
-
-//       private void _load_next_file() {
-//          var new_idx = _current_fs.Item1 + 1;
-//          if (new_idx >= _file_names.Count()) {
-//             _all_files_read = true;
-//             bts.Log.Gen.info("All files read");
-//             return;
-//          }
-//          var prev_fs = _current_fs.Item2;
-//          if (prev_fs != null)
-//             prev_fs.Close();
-//          var new_filename = _file_names.ElementAt(new_idx);
-//          bts.Log.Gen.info("PlaybackStream_load_next_file new_filename=: {new_filename}");
-//          var new_fs = new FileStream(new_filename, FileMode.Open, FileAccess.Read);
-//          _current_fs = new Tuple<int, FileStream>(new_idx, new_fs);
-//          _load_packets_from_current_file();
-//       }
-
-//       #endregion
-//    }
-// }

src/DataStreamSuite/DataStream/Primitives/FileStreams/RecorderStream.cs

@@ -1,68 +0,0 @@
-// using System;
-// using System.Collections.Generic;
-// using System.Linq;
-// using System.Text;
-// using System.IO;
-
-// namespace BCG
-// {
-//    public class RecorderStream : ViewStream
-//    {
-//       private ViewStream mySource;
-//       private DateTime myStartTime;
-//       private FileStream myOutFile;
-//       private string myFileName;
-//       private IBlueDataSerializer mySerializer;
-
-//       public RecorderStream(ViewStream src, string recordFile)
-//       {
-//          mySource = src;
-//          myFileName = recordFile;
-
-//          myFileName = myFileName.Replace("%DATE%", DateTime.Now.ToString("yyyyMMdd_HHmmss")); 
-//       }
-
-//       protected override void myOnFirstSubscriber()
-//       {
-//          myStartTime = DateTime.Now;         
-//          mySource.onChange += new ChangeDelegate(mySource_onChange);
-//          myOutFile = new FileStream(myFileName, FileMode.OpenOrCreate);
-//       }
-
-//       protected override void myOnLastSubscriber()
-//       {
-//          mySource.onChange -= mySource_onChange;
-//          myOutFile.Close();
-//       }
-
-//       void mySource_onChange(object newValue)
-//       {
-//          DataPacket dp = (DataPacket)newValue;         
-
-//          BlueTable toWrite = new BlueTable(dp.schema);
-
-//          if (mySerializer == null)
-//          {
-//             mySerializer = new UniversalSerializer(dp.schema);
-//          }
-//          foreach (IBlueRow r in dp.newRows)
-//             toWrite.addRow(r);
-
-//          byte[] result;
-
-//          if (myLastValue == null)
-//             mySerializer.serialize(StreamOpCode.create, new IBlueRowCollection[] { dp.newRows }, out result);
-//          else
-//             mySerializer.serialize(StreamOpCode.multipleRemoveAdd, new IBlueRowCollection[] { dp.deletedRows, dp.addedRows }, out result);
-
-//          BinaryWriter bw = new BinaryWriter(myOutFile);
-//          //write down what time this happened
-//          bw.Write((DateTime.Now - myStartTime).TotalSeconds);
-//          bw.Write(result.Length);
-//          bw.Write(result);         
-//          myOutFile.Flush();
-
-//          myFireEvent(dp);
-//       }
-//    }
-// }

src/DataStreamSuite/DataStream/Primitives/FileStreams/SaverStream.cs

@@ -5,7 +5,8 @@ using System.IO;
 using BCG;
 
 namespace bts {
-   // this saves the total state in the filr provided in the cons
+   // this saves the updates as a Create on the same file, each update calls -save, which
+   // reqrites the whole data to the packet. The other side of this stream is the Loader
    [DataStreamUserRespresentation("saver")]
    public class SaverStream : ViewStream {
       private ViewStream _stream;
@@ -31,7 +32,6 @@ namespace bts {
          StreamIOMessage.CreateMessage cr_msg = new StreamIOMessage.CreateMessage(dp.newRows);
          byte[] str_bytes = _serializer.serialize(new StreamIOMessage(cr_msg));
          StreamSerializationUtils.write_to_file(str_bytes, _filename);
-
       }
    }
 }

src/DataStreamSuite/DataStream/Primitives/FileStreams/StreamPersistorUtils.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Globalization;
 using System.IO;
+using bts;
 
 
 namespace BCG {

src/DataStreamSuite/DataStream/Primitives/Filter/DateBasedFilter.cs

@@ -3,20 +3,25 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using BCG.Utilities.General;
-
 namespace BCG
 {
     public class DateBasedFilter: IDynamicStreamFilter, IWorker
     {
+        private ViewStreamDatabase myVSD;
         private string myDateColumn;
         private int myNDays;       
         private DateTime myReference;
         private DateTime myTodaysDate;
         
         public DateBasedFilter(string dateColumn, int nDays)
+            : this(dateColumn, nDays, ViewStreamDatabase.instance) { }
+
+        public DateBasedFilter(string dateColumn, int nDays, ViewStreamDatabase vsd)
         {
             myDateColumn = dateColumn;
             myNDays = nDays;
+            myVSD = vsd;
+            myVSD.addWorker(this);
             myTodaysDate = DateTime.Today;
             myReference = myTodaysDate.AddDays(-1 * myNDays);                     
         }       

src/DataStreamSuite/DataStream/Primitives/Filter/FilterStream.cs

@@ -1,12 +1,7 @@
-using BCG.Utilities.General;
-
 using Bts.DataStream;
-using Bts.PubSub;
 
 using mbts.config;
 
-using Spark.Core.Disposables;
-
 using System;
 using System.Text.RegularExpressions;
 
@@ -146,7 +141,6 @@ namespace BCG
       private BlueTable myLastFiredRows;
       private IBlueRowCollection myLastReceivedRows;
       private IStreamFilter myFilter;
-      private IDisposable? filterWorkerSubscription;
       private ViewStream myParentStream;
       private string myFilterString;
       private BCG.StreamWorld.Addition.FilterStream myFilterStream;
@@ -174,7 +168,7 @@ namespace BCG
          if (myUseNewFilter)
          {
             myFilterStream = new BCG.StreamWorld.Addition.FilterStream(vs, filter);
-            mySetRealSource(AttachStream(myFilterStream));
+            mySetRealSource(myFilterStream);
          }
          else
          {
@@ -266,7 +260,6 @@ namespace BCG
             }
             else
             {
-               Disposable.dispose(ref filterWorkerSubscription);
                myFilter = value;
                if (numberOfSubscribers > 0)
                {
@@ -281,9 +274,6 @@ namespace BCG
                        BlueDataUtility.computeDifferences(nRows, myLastFiredRows, out dRows, out aRows);
                        myLastFiredRows = nRows;
                        myFireEvent(new DataPacket(nRows, aRows, dRows));
-                       if (myFilter is IWorker filterWorker) {
-                           filterWorkerSubscription = ViewStreamDatabase.Subscribe(filterWorker);
-                       }
                    }
                }
             }
@@ -304,14 +294,6 @@ namespace BCG
          return GetType().ToString() + " " + myFilterString;
       }
 
-      protected override void OnViewStreamDatabase(IWorkScheduler viewStreamDatabase) {
-         base.OnViewStreamDatabase(viewStreamDatabase);
-         var w = this as IWorker;
-         if (w is not null) {
-            filterWorkerSubscription = viewStreamDatabase.Subscribe(w);
-         }
-      }
-
       private void myHandleFilterChange()
       {
          filter = myFilter;

src/DataStreamSuite/DataStream/Primitives/Filter/NullFilterStream.cs

@@ -0,0 +1,24 @@
+namespace bts.SilverPine {
+   using BCG;
+
+   using System;
+
+   public class NullFilterStream : ViewStream {
+      public NullFilterStream(ViewStream parent_str, string col_name)
+      : this(parent_str, col_name, true) { }
+      public NullFilterStream(ViewStream parent_str, string col_name, bool filter_out_doublenans = false) {
+         ViewStream rs = new FilterStream(parent_str,
+         r => {
+            bool is_dbnull = r.is_null(col_name);
+            if (is_dbnull) {
+               return false;
+            }
+            if (r.schema[col_name].type_code() == TypeCode.Double) {
+               return !Double.IsNaN(r.get<double>(col_name));
+            }
+            return true;
+         });
+         mySetRealSource(rs);
+      }
+   }
+}

src/DataStreamSuite/DataStream/Primitives/Filter/SlidingWindowFilter.cs

@@ -4,13 +4,11 @@ using System.Linq;
 using System.Text;
 using BCG.Utilities.General;
 
-using Bts.PubSub;
-
 namespace BCG
 {    
     public class SlidingWindowFilter: IDynamicStreamFilter, IWorker
     {
-        private IWorkScheduler workScheduler;
+        private ViewStreamDatabase myVSD;
         private string myDateColumn;
         private int myNSecs;     
         private DateTime myReference;
@@ -19,9 +17,14 @@ namespace BCG
         private DateTime myLastTimeFilteredApplied;
         
         public SlidingWindowFilter(string dateColumn, int nSecs)
+            : this(dateColumn, nSecs, ViewStreamDatabase.instance) { }       
+        
+        public SlidingWindowFilter(string dateColumn, int nSecs, ViewStreamDatabase vsd)
         {
             myDateColumn = dateColumn;
             myNSecs = nSecs;
+            myVSD = vsd;
+            myVSD.addWorker(this);
             myCurrentTime = DateTime.Now;
             myReference = myCurrentTime.AddSeconds(-1 * myNSecs);                  
         }
@@ -52,9 +55,5 @@ namespace BCG
                 
             }           
         }
-        
-        public void Dispose() {
-            workScheduler.Remove(this);
-        }
     }
 }

src/DataStreamSuite/DataStream/Primitives/Filter/TimeBasedFilter.cs

@@ -4,7 +4,7 @@ using System.Text.RegularExpressions;
 using BCG.Utilities.General;
 
 namespace BCG {
-   public class TimeBasedFilter : IDynamicStreamFilter, IWorker {
+   public class TimeBasedFilter : IDynamicStreamFilter, IWorker, IDisposable {
 
       public static TimeSpan parse_duration(string input) {
          int days = 0, hours = 0, minutes = 0, seconds = 0;
@@ -42,15 +42,28 @@ namespace BCG {
       : this(col_name, parse_duration(row_time_to_live)) {
 
       }
+
       public TimeBasedFilter(string rowTimeColumnName, TimeSpan rowTimeToLive)
-      : this(rowTimeColumnName, rowTimeToLive, new TimeSpan(0, 1, 0) /* 1 minute */) {
+      : this(ViewStreamDatabase.instance, rowTimeColumnName, rowTimeToLive, new TimeSpan(0, 1, 0) /* 1 minute */) {
       }
 
-      public TimeBasedFilter(string rowTimeColumnName, TimeSpan rowTimeToLive, TimeSpan filterFrequency) {
+      public TimeBasedFilter(string rowTimeColumnName, TimeSpan rowTimeToLive, TimeSpan filterFrequency)
+      : this(ViewStreamDatabase.instance, rowTimeColumnName, rowTimeToLive, filterFrequency) {
+      }
+
+      public TimeBasedFilter(ViewStreamDatabase vsd, string rowTimeColumnName, TimeSpan rowTimeToLive)
+      : this(vsd, rowTimeColumnName, rowTimeToLive, new TimeSpan(0, 1, 0) /* 1 minute */) {
+      }
+
+      public TimeBasedFilter(ViewStreamDatabase vsd, string rowTimeColumnName, TimeSpan rowTimeToLive, TimeSpan filterFrequency) {
+         myVsd = vsd;
          _time_col = rowTimeColumnName;
          _ttl = rowTimeToLive;
          myFilterFrequency = filterFrequency;
          myNextFilter = DateTime.MinValue;
+
+         // add worker
+         myVsd.addWorker(this);
       }
       #endregion
 
@@ -84,11 +97,29 @@ namespace BCG {
       }
       #endregion
 
+      #region IDisposable
+      public void Dispose() {
+         // remove worker
+         myVsd.removeWorker(this);
+      }
+      #endregion
+
       #region state
+      private ViewStreamDatabase myVsd;
       private string _time_col;
       private TimeSpan _ttl;
       private TimeSpan myFilterFrequency;
       private DateTime myNextFilter;
       #endregion
    }
+   [DataStreamUserRespresentation("timefilter")]
+   public class TimeBasedFilterStream : ViewStream {
+      public TimeBasedFilterStream(ViewStream base_stream, string time_col, string time_span)
+      :
+      this(ViewStreamDatabase.instance, base_stream, time_col, TimeBasedFilter.parse_duration(time_span)) { }
+      public TimeBasedFilterStream(ViewStreamDatabase vsd, ViewStream base_stream, string time_col, TimeSpan time_span) {
+         TimeBasedFilter filter = new TimeBasedFilter(vsd, time_col, time_span);
+         mySetRealSource(new FilterStream(base_stream, filter));
+      }
+   }
 }

src/DataStreamSuite/DataStream/Primitives/Filter/TimeBasedFilterStream.cs

@@ -1,14 +0,0 @@
-namespace BCG;
-
-using System;
-
-[DataStreamUserRespresentation("timefilter")]
-public class TimeBasedFilterStream : ViewStream {
-   public TimeBasedFilterStream(ViewStream base_stream, string time_col, string time_span)
-      : this(base_stream, time_col, TimeBasedFilter.parse_duration(time_span)) { }
-
-   public TimeBasedFilterStream(ViewStream base_stream, string time_col, TimeSpan time_span) {
-      var filter = new TimeBasedFilter(time_col, time_span);
-      mySetRealSource(AttachStream<FilterStream>(new(base_stream, filter)));
-   }
-}

src/DataStreamSuite/DataStream/Primitives/GroupBy/AverageGroupsStream.cs

@@ -1,102 +1,102 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
+// using System;
+// using System.Collections.Generic;
+// using System.Linq;
+// using System.Text;
 
-namespace BCG
-{
+// namespace BCG
+// {
    
-    public class AverageGroupsStream : ViewStream
-    {
-        public AverageGroupsStream(ViewStream input, string colToAverage, string keyColumn)
-        {
+//     public class AverageGroupsStream : ViewStream
+//     {
+//         public AverageGroupsStream(ViewStream input, string colToAverage, string keyColumn)
+//         {
             
-            myColToAverage = colToAverage;
-            myInput = input;
-            myKeyColumn = keyColumn;
-        }
+//             myColToAverage = colToAverage;
+//             myInput = input;
+//             myKeyColumn = keyColumn;
+//         }
 
-        private ViewStream myInput;
-        private string myColToAverage;
-        private BlueTableSchema mySchema;
-        private string myKeyColumn;
+//         private ViewStream myInput;
+//         private string myColToAverage;
+//         private BlueTableSchema mySchema;
+//         private string myKeyColumn;
 
-        protected override void myOnFirstSubscriber()
-        {
-            myInput.onChange += new ChangeDelegate(myInput_onChange);
-        }
-        protected override void myOnLastSubscriber()
-        {
-            myInput.onChange -= myInput_onChange;
-        }
-        private void myInput_onChange(object newValue)
-        {
-            if (mySchema == null)
-                myBuildSchema(((DataPacket)newValue).schema);
+//         protected override void myOnFirstSubscriber()
+//         {
+//             myInput.onChange += new ChangeDelegate(myInput_onChange);
+//         }
+//         protected override void myOnLastSubscriber()
+//         {
+//             myInput.onChange -= myInput_onChange;
+//         }
+//         private void myInput_onChange(object newValue)
+//         {
+//             if (mySchema == null)
+//                 myBuildSchema(((DataPacket)newValue).schema);
 
-            IBlueRowCollection newRows = myEvaluate((DataPacket)newValue);
+//             IBlueRowCollection newRows = myEvaluate((DataPacket)newValue);
 
-            if (myLastValue == null)
-                myFireEvent(new DataPacket(newRows, newRows, new BlueTable(mySchema)));
-            else
-            {
-                IBlueRowCollection added, deleted;
-                BlueDataUtility.computeDifferences(newRows, ((DataPacket) myLastValue).newRows, out deleted, out added);
-                myFireEvent(new DataPacket(newRows, added, deleted));
-            }
-        }
+//             if (myLastValue == null)
+//                 myFireEvent(new DataPacket(newRows, newRows, new BlueTable(mySchema)));
+//             else
+//             {
+//                 IBlueRowCollection added, deleted;
+//                 BlueDataUtility.computeDifferences(newRows, ((DataPacket) myLastValue).newRows, out deleted, out added);
+//                 myFireEvent(new DataPacket(newRows, added, deleted));
+//             }
+//         }
 
-        private void myBuildSchema(IBlueTableSchema schema)
-        {
-            List<ColumnInfo> columns = new List<ColumnInfo>();
+//         private void myBuildSchema(IBlueTableSchema schema)
+//         {
+//             List<ColumnInfo> columns = new List<ColumnInfo>();
 
-            foreach (ColumnInfo ci in schema.columnInfo)
-                columns.Add(ci);
+//             foreach (ColumnInfo ci in schema.columnInfo)
+//                 columns.Add(ci);
 
-            columns.Add(new ColumnInfo("average_"+myColToAverage, columns.Count, typeof(double)));
-            mySchema = new BlueTableSchema("average_of_" + schema.tableName, columns.ToArray());
-        }
+//             columns.Add(new ColumnInfo("average_"+myColToAverage, columns.Count, typeof(double)));
+//             mySchema = new BlueTableSchema("average_of_" + schema.tableName, columns.ToArray());
+//         }
 
 
 
-        private IBlueRowCollection myEvaluate(DataPacket packet)
-        {
+//         private IBlueRowCollection myEvaluate(DataPacket packet)
+//         {
          
-            IDictionary<string, double> colToRunningTotal = new Dictionary<string, double>();
-            IDictionary<string, int> colToCount = new Dictionary<string, int>();
-            IDictionary<string, IBlueRow> colToLastRow = new Dictionary<string, IBlueRow>();
+//             IDictionary<string, double> colToRunningTotal = new Dictionary<string, double>();
+//             IDictionary<string, int> colToCount = new Dictionary<string, int>();
+//             IDictionary<string, IBlueRow> colToLastRow = new Dictionary<string, IBlueRow>();
 
-            foreach (IBlueRow r in packet.newRows)
-            {
-                double thisVal = Convert.ToDouble(r[myColToAverage]);
+//             foreach (IBlueRow r in packet.newRows)
+//             {
+//                 double thisVal = Convert.ToDouble(r[myColToAverage]);
 
-                string keyVal = r[myKeyColumn].ToString();
-                if (!colToCount.ContainsKey(keyVal))
-                {
-                    colToRunningTotal[keyVal] = thisVal;
-                    colToCount[keyVal] = 1;
-                }
-                else
-                {
-                    colToRunningTotal[keyVal] += thisVal;
-                    colToCount[keyVal] += 1;
-                }
-                colToLastRow[keyVal] = r;
-            }
+//                 string keyVal = r[myKeyColumn].ToString();
+//                 if (!colToCount.ContainsKey(keyVal))
+//                 {
+//                     colToRunningTotal[keyVal] = thisVal;
+//                     colToCount[keyVal] = 1;
+//                 }
+//                 else
+//                 {
+//                     colToRunningTotal[keyVal] += thisVal;
+//                     colToCount[keyVal] += 1;
+//                 }
+//                 colToLastRow[keyVal] = r;
+//             }
 
-            BlueTable result = new BlueTable(mySchema);
-            foreach (string key in colToCount.Keys)
-            {
-                object[] values = new object[mySchema.columnInfo.Length];
+//             BlueTable result = new BlueTable(mySchema);
+//             foreach (string key in colToCount.Keys)
+//             {
+//                 object[] values = new object[mySchema.columnInfo.Length];
 
-                colToLastRow[key].CopyTo(values, 0);
-                values[values.Length - 1] = packet.newRows.Count > 0 ? colToRunningTotal[key] / packet.newRows.Count : 0.0;
-                result.addRow(new BlueRow(mySchema, values));
-            }
+//                 colToLastRow[key].CopyTo(values, 0);
+//                 values[values.Length - 1] = packet.newRows.Count > 0 ? colToRunningTotal[key] / packet.newRows.Count : 0.0;
+//                 result.addRow(new BlueRow(mySchema, values));
+//             }
 
-            return result;
-        }
+//             return result;
+//         }
 
       
-    }
-}
+//     }
+// }

src/DataStreamSuite/DataStream/Primitives/GroupBy/AverageNonIncGroupsStream.cs

@@ -0,0 +1,31 @@
+namespace bts.SilverPine {
+   using BCG;
+
+   using System;
+   using System.Collections.Generic;
+   using System.Linq;
+
+   [DataStreamUserRespresentation("Average")]
+   public class AverageNonIncGroupsStream : ViewStream {
+      public AverageNonIncGroupsStream(ViewStream parent_stream, string inp_col_name, params string[] group_by_cols) {
+         NonIncGroupByStream rs = new NonIncGroupByStream(parent_stream, () => group_by_cols,
+                                                         (g_rows) => _find_mean(inp_col_name, g_rows));
+         mySetRealSource(rs);
+      }
+
+      private List<IBlueRow> _find_mean(string inp_col_name, List<IBlueRow> g_rows) {
+         IBlueRow inp_row = g_rows.ElementAt(0);
+         IEnumerable<double> inp_vals = BlueDataUtility.get_colvalues<double>(g_rows, inp_col_name);
+         double sum = 0.0;
+         inp_vals.ToList().ForEach(d => sum += d);
+         string out_col_name = $"average_{inp_col_name}";
+         double average = sum / inp_vals.Count();
+         IBlueTableSchema schema_out = inp_row.schema.add_column(TypeCode.Double, out_col_name);
+         MutableBlueRow out_row = new MutableBlueRow(schema_out, inp_row);
+         out_row.setValue(out_col_name, average);
+         List<IBlueRow> rv = new List<IBlueRow>();
+         rv.Add(out_row);
+         return rv;
+      }
+   }
+}

src/DataStreamSuite/DataStream/Primitives/GroupBy/GroupByBundle.cs

@@ -0,0 +1,91 @@
+namespace bts.SilverPine {
+   using BCG;
+
+   using System;
+   using System.Collections.Generic;
+   using System.Linq;
+
+   using ZstdSharp.Unsafe;
+
+   public enum GroupByBundleOp {
+      Mean,
+      Median,
+      Mode,
+      StdDev,
+      Max,
+      Min,
+      First,
+      Last,
+      Sum
+   }
+   public class GroupByBundle {
+      public readonly List<Tuple<string, GroupByBundleOp>> operations;
+
+      public static GroupByBundle parse(string text) {
+         // text is inp_col: op, inp_col: op, inp_col:op
+         List<Tuple<string, GroupByBundleOp>> rv = new List<Tuple<string, GroupByBundleOp>>();
+         string[] calcs = text.Split(',');
+         foreach (string c in calcs) {
+            string[] toks = c.Split(':');
+            string inp_col = toks[0].Trim();
+            string op_txt = toks[1].Trim();
+            GroupByBundleOp op = Enum.Parse<GroupByBundleOp>(op_txt, true);
+            rv.Add(Tuple.Create(inp_col, op));
+         }
+         return new GroupByBundle(rv);
+      }
+
+      public GroupByBundle(List<Tuple<string, GroupByBundleOp>> operations_) {
+         operations = operations_;
+      }
+
+      public static IBlueRow group_by(List<IBlueRow> rows, GroupByBundle parameters) {
+         if (rows.Count() == 0) {
+            return null;
+         }
+
+         IBlueRow ir = rows.ElementAt(0);
+         IBlueTableSchema in_schema = ir.schema;
+         IBlueTableSchema out_schema = in_schema;
+         IDictionary<string, Tuple<string, GroupByBundleOp>> out_col_map =
+            new Dictionary<string, Tuple<string, GroupByBundleOp>>();
+         foreach (var t in parameters.operations) {
+            string out_col_name = $"{t.Item1}_{t.Item2}".ToLower();
+            out_schema = out_schema.add_column(TypeCode.Double, out_col_name);
+            out_col_map[out_col_name] = t;
+         }
+         MutableBlueRow or = new MutableBlueRow(out_schema, ir);
+         foreach (var kv in out_col_map) {
+            string out_col_name = kv.Key;
+            string in_col_name = kv.Value.Item1;
+            GroupByBundleOp op = kv.Value.Item2;
+            IEnumerable<double> col_vals = BlueDataUtility.get_colvalues<double>(rows, in_col_name);
+            double comp_res = compute_op(col_vals, op);
+            or.setValue(out_col_name, comp_res);
+         }
+         return or;
+      }
+
+      public static double compute_op(IEnumerable<double> col_vals, GroupByBundleOp op) {
+         switch (op) {
+            case GroupByBundleOp.Max:
+               return col_vals.Max<double>();
+            case GroupByBundleOp.Min:
+               return col_vals.Min<double>();
+            case GroupByBundleOp.Mean:
+               return col_vals.Sum() / col_vals.Count();
+            case GroupByBundleOp.Sum:
+               return col_vals.Sum();
+            case GroupByBundleOp.First:
+               return col_vals.First();
+            case GroupByBundleOp.Last:
+               return col_vals.Last();
+            default:
+               // TODO
+               Log.assert(false);
+               return Double.NaN;
+         }
+      }
+
+   }
+}