refactor: Replace if/else with switch cases

We don't need explicit subcommands to 'run onixs' md (just use config).

.devcontainer/Dockerfile

@@ -55,16 +55,14 @@ RUN \
    clangd-$clang_major
 
 # CMake
-RUN set -eux \
-  && apt-get update \
-  && apt-get install -y --no-install-recommends ca-certificates curl gpg \
-  && curl -fsSL https://apt.kitware.com/keys/kitware-archive-latest.asc \
-    | gpg --dearmor -o /usr/share/keyrings/kitware-archive-keyring.gpg \
-  && echo "deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ $(lsb_release -cs) main" \
-    > /etc/apt/sources.list.d/kitware.list \
-  && apt-get update \
-  && apt-get install -y --no-install-recommends cmake \
-  && rm -rf /var/lib/apt/lists/*
+RUN \
+   curl -fsSL https://apt.kitware.com/keys/kitware-archive-latest.asc 2> /dev/null \
+   | gpg --dearmor - \
+   | tee /usr/share/keyrings/kitware-archive-keyring.gpg > /dev/null \
+   && echo "deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ $(lsb_release -cs) main" \
+   | tee /etc/apt/sources.list.d/kitware.list > /dev/null \
+   && apt-get update \
+   && apt-get install -y cmake
 
 # Dotnet
 RUN apt-get update && apt-get install -y dotnet8
@@ -82,14 +80,9 @@ RUN mkdir -p /etc/apt/keyrings \
 # Emumba (deps)
 RUN apt-get update && apt-get -y install rapidjson-dev
 # Emumba
-ARG EMUMBA_DERIBIT_CONNECTOR_DEB_URL="https://api.bitbucket.org/2.0/repositories/bluetradesys/spark/downloads/emumba-deribit-connector-3.3.1-Linux.LICENSE_DISABLED.deb"
-RUN --mount=type=secret,id=bitbucket_access_token \
-  set -eux \
-    && apt-get update \
-    && TOKEN="$(cat /run/secrets/bitbucket_access_token)" \
-    && curl -fL -H "Authorization: Bearer ${TOKEN}" $EMUMBA_DERIBIT_CONNECTOR_DEB_URL -o /tmp/emumba-deribit-connector.deb \
-    && apt-get install -y /tmp/emumba-deribit-connector.deb \
-    && rm -f /tmp/emumba-deribit-connector.deb
+COPY emumba /emumba
+RUN dpkg -i /emumba/emumba-deribit-connector-3.3.1-Linux.LICENSE_DISABLED.deb \
+    && rm -r /emumba
 
 # Pcap
 RUN apt-get update && apt-get install -y libpcap0.8-dev
@@ -97,18 +90,6 @@ RUN apt-get update && apt-get install -y libpcap0.8-dev
 # Databento (deps)
 RUN apt-get update && apt-get -y install libzstd-dev
 
-# Rakurai
-ARG RAKURAI_DEB_URL="https://api.bitbucket.org/2.0/repositories/bluetradesys/spark/downloads/rakurai-dex-connector_0.0.5_amd64.deb"
-RUN --mount=type=secret,id=bitbucket_access_token \
-  set -eux \
-    && apt-get update \
-    && TOKEN="$(cat /run/secrets/bitbucket_access_token)" \
-    && curl -fL -H "Authorization: Bearer ${TOKEN}" $RAKURAI_DEB_URL -o /tmp/rakurai.deb \
-    # Need --force-overwrite because rakuirai and emumba-deribit-connector both include the same
-    # spdlog headers.
-    && apt-get install -y -o Dpkg::Options::="--force-overwrite" /tmp/rakurai.deb \
-    && rm -f /tmp/rakuirai.deb
-
 # Docker in Docker
 RUN apt-get update && apt-get install -y \
     docker.io \

.devcontainer/devcontainer.json

@@ -1,11 +1,5 @@
 {
-  "build": {
-    "dockerfile": "../docker/images/bluetradingsystems/linux_dotnet8_dev/Dockerfile",
-    "options": [
-      "--secret",
-      "id=bitbucket_access_token,src=${localWorkspaceFolder}/.secrets/bitbucket_access_token.txt"
-    ]
-  },
+  "dockerFile": "Dockerfile",
   "hostRequirements": {
     "memory": "8gb",
     "storage": "10gb"
@@ -28,7 +22,6 @@
       "extensions": [
         "eamodio.gitlens",
         "llvm-vs-code-extensions.vscode-clangd",
-        "ms-python.python",
         "ms-vscode.cmake-tools",
         "ms-vscode.cpptools",
         "xaver.clang-format"

.devcontainer/emumba/install_emumba-deribit-connector.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+this_dir="$(realpath "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")")"
+sudo dpkg -i "$this_dir/emumba-deribit-connector-3.3.1-Linux.LICENSE_DISABLED.deb"

.env

@@ -29,9 +29,6 @@
 #     tools/deploy.sh --help
 #
 
-### Host/Runtime ###
-TZ=Etc/UTC
-
 ### Sparkd ###
 # The internal image for sparkd to use. For more info, view:
 #   src/server/sparkd/Dockerfile
@@ -41,9 +38,6 @@ SPARKD__CONFIG_DIR=src/app_sparkd/configurations/dev
 # Mount a specific volume or dir to "~/sparkdata/data" inside the docker.
 # Defaults to a volume named "sparkd_<config_port>" (e.g., sparkd_8000).
 # SPARKD__DATA_DIR=/home/bts/sparkdata/data
-# Mount volume or dir to "/md_recording" inside the docker. Defaults to volume
-# "sparkd_md_recording_<config_port>" (e.g., sparkd_md_recording_8000).
-# SPARKD__MD_RECORDING_DIR=/home/bts/md_recording
 SPARKD__SOURCE_DIR=install/sparkd-release-gcc
 SPARKD__RUNTIME_CONF_DIR=/home/ubuntu/8000/sparkdata/conf/
 SPARKD__CONFIG_PORT=8000
@@ -51,13 +45,5 @@ SPARKD__QUICKBUS_PORT=8001
 SPARKD__SIM_FIX_PORT=8002
 SPARKD__SHM_SIZE=4gb
 SPARKD__PYTHON_REQUIREMENTS=requirements.txt
-SPARKD__ENTRYPOINT=src/app_sparkd/sparkd-entrypoint.sh
 
-### PubSubServer ###
-PUBSUB__CONFIG_DIR=src/DataStreamSuite/PubSubServer/Configurations/Development
-PUBSUB__SOURCE_DIR=build/Release/bin/net8.0/linux-x64/publish
-
-### MdPublisher ###
-MD_PUBLISHER__CONFIG_DIR=src/DataStreamSuite/DataStreamPublisher/Configurations/ReplayMarketData
-MD_PUBLISHER__SOURCE_DIR=build/Release/bin/net8.0/linux-x64/publish
 # TODO: add config for other services (pubsub, md-publisher, webapp, api-server, etc.)

.gitignore

@@ -55,8 +55,6 @@ trace_data/
 .cache/
 /src/Spark.Admin.WebApp/tsconfig.*.g.json
 /src/Spark.Admin.WebApp/src/bin/
-/src/**/*appsettings.Local.json
-/src/**/*/Configurations/Local/
 **/CMakeDeps.cmake
 **/CMakeDeps_win.cmake
 .devcontainer/

.vscode/launch.json

@@ -19,19 +19,15 @@
       "type": "coreclr",
       "request": "launch",
       "program": "",
-      "preLaunchTask": "Build Api Server (Debug)",
       "windows": {
+        "preLaunchTask": "Build Api Server (Debug)",
         "program": "spark_api_server.exe",
-      },
-      "linux": {
-        "program": "spark_api_server",
-      },
-      "args": [
-        "run",
-      ],
-      "cwd": "build/Debug/bin/net8.0",
-      "env": {
-        "DOTNET_ENVIRONMENT": "${input:apiServerEnvironment}",
+        "args": [
+          "run",
+          "--sparkd",
+          "http://127.0.0.1:8000/config"
+        ],
+        "cwd": "build/Debug/bin/net7.0",
       },
       "stopAtEntry": false,
       "console": "integratedTerminal"
@@ -43,20 +39,43 @@
       "program": "",
       "windows": {
         "program": "spark_api_server.exe",
-      },
-      "linux": {
-        "program": "spark_api_server",
-      },
-      "args": [
-        "run",
-      ],
-      "cwd": "build/Debug/bin/net8.0",
-      "env": {
-        "DOTNET_ENVIRONMENT": "${input:apiServerEnvironment}",
+        "args": [
+          "run",
+          "--sparkd",
+          "http://127.0.0.1:8000/config"
+        ],
+        "cwd": "build/Debug/bin/net7.0",
       },
       "stopAtEntry": false,
       "console": "integratedTerminal"
     },
+    {
+      "name": "Bts.DataStreamWebApp.Server",
+      "type": "coreclr",
+      "request": "launch",
+      "preLaunchTask": "Build DataStream WebApp (Debug)",
+      "program": "${workspaceFolder}/build/Debug/bin/net8.0/Bts.DataStreamWebApp.Server.dll",
+      "cwd": "${workspaceFolder}/build/Debug/bin/net8.0",
+      "env": {
+        "ASPNETCORE_HTTP_PORT": "8080",
+        "ASPNETCORE_HTTPS_PORT": "8443",
+        "ASPNETCORE_ENVIRONMENT": "${input:dataStreamWebAppServerEnvironment}",
+        "ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.SpaProxy",
+      }
+    },
+    {
+      "name": "Bts.DataStreamWebApp.Server (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "${workspaceFolder}/build/Debug/bin/net8.0/Bts.DataStreamWebApp.Server.dll",
+      "cwd": "${workspaceFolder}/build/Debug/bin/net8.0",
+      "env": {
+        "ASPNETCORE_HTTP_PORT": "8080",
+        "ASPNETCORE_HTTPS_PORT": "8443",
+        "ASPNETCORE_ENVIRONMENT": "${input:dataStreamWebAppServerEnvironment}",
+        "ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.SpaProxy",
+      }
+    },
     {
       "name": "DataStreamPublisher",
       "type": "coreclr",
@@ -142,30 +161,17 @@
       "name": "DataStreamQueryAnalyzer",
       "type": "coreclr",
       "request": "launch",
-      "preLaunchTask": "Build DataStream (Debug)",
+      "preLaunchTask": "Build DataStreamQueryAnalyzer (Debug)",
       "program": "",
       "windows": {
         "program": "DataStreamQueryAnalyzer.exe",
+        "args": [
+          "--config",
+          "${workspaceFolder}/src/DataStreamSuite/DataStreamQueryAnalyzer/Configurations/DataStreamQueryAnalyzer.json"
+        ],
         "cwd": "build/Debug/bin/net8.0-windows",
         "env": {
-          "PYTHON_EXE": "${workspaceFolder}/.venv/Scripts/python.exe",
-          "DOTNET_ENVIRONMENT": "${input:dataStreamQueryAnalyzerEnvironment}",
-        },
-      },
-      "stopAtEntry": false,
-      "console": "integratedTerminal",
-    },
-    {
-      "name": "DataStreamQueryAnalyzer (Skip Build)",
-      "type": "coreclr",
-      "request": "launch",
-      "program": "",
-      "windows": {
-        "program": "DataStreamQueryAnalyzer.exe",
-        "cwd": "build/Debug/bin/net8.0-windows",
-        "env": {
-          "PYTHON_EXE": "${workspaceFolder}/.venv/Scripts/python.exe",
-          "DOTNET_ENVIRONMENT": "${input:dataStreamQueryAnalyzerEnvironment}",
+          "PYTHON_EXE": "${workspaceFolder}/.venv/Scripts/python.exe"
         },
       },
       "stopAtEntry": false,
@@ -183,11 +189,10 @@
       "windows": {
         "program": "PubSubServer.exe",
       },
-      "args": [
-        "--config",
-        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json"
-      ],
       "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
+      },
       "stopAtEntry": false,
       "console": "integratedTerminal"
     },
@@ -202,50 +207,13 @@
       "windows": {
         "program": "PubSubServer.exe",
       },
-      "cwd": "build/Debug/bin/net8.0",
+      "cwd": "build/Debug/bin/net7.0",
       "env": {
         "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
       },
       "stopAtEntry": false,
       "console": "integratedTerminal"
     },
-    {
-      "name": "Sdk Demo",
-      "type": "coreclr",
-      "request": "launch",
-      "program": "",
-      "preLaunchTask": "Build Api Server (Debug)",
-      "windows": {
-        "program": "Bts.Spark.Sdk.Demo.exe",
-      },
-      "linux": {
-        "program": "Bts.Spark.Sdk.Demo",
-      },
-      "cwd": "build/Debug/bin/net8.0",
-      "env": {
-        "DOTNET_ENVIRONMENT": "${input:sdkDemoEnvironment}",
-      },
-      "stopAtEntry": false,
-      "console": "integratedTerminal"
-    },
-    {
-      "name": "Sdk Demo (Skip Build)",
-      "type": "coreclr",
-      "request": "launch",
-      "program": "",
-      "windows": {
-        "program": "Bts.Spark.Sdk.Demo.exe",
-      },
-      "linux": {
-        "program": "Bts.Spark.Sdk.Demo.exe",
-      },
-      "cwd": "build/Debug/bin/net8.0",
-      "env": {
-        "DOTNET_ENVIRONMENT": "${input:sdkDemoEnvironment}",
-      },
-      "stopAtEntry": false,
-      "console": "integratedTerminal"
-    },
     {
       "name": "Spark",
       "type": "coreclr",
@@ -255,9 +223,6 @@
         "preLaunchTask": "Build Spark (Debug)",
         "program": "Spark.exe",
         "cwd": "build/Debug/bin/net8.0-windows",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:sparkEnvironment}",
-        }
       },
       "stopAtEntry": false,
       "console": "integratedTerminal"
@@ -270,9 +235,6 @@
       "windows": {
         "program": "Spark.exe",
         "cwd": "build/Debug/bin/net8.0-windows",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:sparkEnvironment}",
-        }
       },
       "stopAtEntry": false,
       "console": "integratedTerminal"
@@ -334,7 +296,6 @@
       "program": "",
       "linux": {
         "program": "${workspaceFolder}/build/sparkd-debug-clang/src/app_sparkd/sparkd",
-        "preLaunchTask": "Build Sparkd (Debug | Clang)",
       },
       "args": [
         "run"
@@ -384,107 +345,51 @@
         }
       ]
     },
-    {
-      "name": "Sparkd Attach",
-      "type": "cppdbg",
-      "request": "attach",
-      "program": "${workspaceFolder}/build/sparkd-debug-clang/src/app_sparkd/sparkd",
-      "MIMode": "gdb",
-      "setupCommands": [
-        {
-          "description": "Enable pretty-printing for gdb",
-          "text": "-enable-pretty-printing",
-          "ignoreFailures": true
-        },
-        {
-          "description": "Set Disassembly Flavor to Intel",
-          "text": "-gdb-set disassembly-flavor intel",
-          "ignoreFailures": true
-        }
-      ]
-    },
   ],
   "inputs": [
     {
-      "id": "apiServerEnvironment",
-      "type": "pickString",
-      "description": "Api Server Configuration",
-      "options": [
-        "Development",
-        "Local",
-        "Staging",
-      ],
-      "default": "Development",
-    },
-    {
-      "id": "dataStreamPublisherConfig",
+      "id": "dataStreamPublisherEnvironment",
       "type": "pickString",
       "description": "Publisher Configuration",
       "options": [
-        "MarketDataPublisher",
-        "SimpleEchoClient",
-        "SimpleTestDataPublisher",
-        "TestDataPublisher",
+        "Development",
+        "MarketData",
+        "Production",
+        "ProductionAws",
+        "Staging",
       ],
       "default": "MarketDataPublisher",
     },
     {
-      "id": "dataStreamQueryAnalyzerEnvironment",
-      "type": "pickString",
-      "description": "DataStreamQueryAnalyzer Configuration",
-      "options": [
-        "Development",
-        "Local",
-      ],
-      "default": "Development",
-    },
-    {
-      "id": "dataStreamPublisherEnvironment",
-      "type": "pickString",
-      "description": "DataStreamPublisher Configuration",
-      "options": [
-        "Local",
-        "ReplayMarketData",
-      ],
-      "default": "Local",
-    },
-    {
-      "id": "pubSubServerConfig",
+      "id": "pubSubServerEnvironment",
       "type": "pickString",
       "description": "PubSub Configuration",
-      "options": [
-        "PubSubServer",
-        "SimpleEchoClient",
-      ],
-      "default": "PubSubServer",
-    },
-    {
-      "id": "sdkDemoEnvironment",
-      "type": "pickString",
-      "description": "Sdk Demo Configuration",
       "options": [
         "Development",
-        "Local",
+        "EchoServer",
+        "Production",
+        "ProductionAws",
         "Staging",
       ],
       "default": "Development",
     },
+    {
+      "id": "dataStreamWebAppServerEnvironment",
+      "type": "pickString",
+      "description": "DataStream WebApp Environment",
+      "options": [
+        "Development",
+        "Production",
+        "ProductionAws",
+        "Staging",
+      ]
+    },
     {
       "id": "sparkConfigServer",
       "type": "promptString",
       "description": "Config Server URL",
       "default": "http://localhost:8000/config",
     },
-    {
-      "id": "sparkEnvironment",
-      "type": "pickString",
-      "description": "Spark Configuration",
-      "options": [
-        "Development",
-        "Local",
-      ],
-      "default": "Development",
-    },
     {
       "id": "sparkTest",
       "type": "promptString",
@@ -495,5 +400,15 @@
       "type": "promptString",
       "description": "Test to run",
     },
+    {
+      "id": "isSparkApiEnabled",
+      "type": "pickString",
+      "description": "Enable Spark Api (connect to sparkd)",
+      "options": [
+        "True",
+        "False",
+      ],
+      "default": "True",
+    }
   ]
 }

.vscode/python.env

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

.vscode/tasks.json

@@ -121,6 +121,117 @@
         "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 DataStream WebApp (Release)",
+      "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",
+        "Release",
+      ],
+      "icon": {
+        "id": "terminal",
+        "color": "terminal.ansiCyan"
+      },
+    },
     {
       "label": "Build Spark",
       "group": "build",
@@ -172,66 +283,6 @@
         "color": "terminal.ansiCyan"
       },
     },
-    {
-      "label": "Build Spark Sdk",
-      "group": "build",
-      "type": "process",
-      "command": "",
-      "linux": {
-        "command": "tools/build_spark_sdk.sh",
-      },
-      "windows": {
-        "command": "tools/build_spark_sdk.cmd",
-      },
-      "args": [
-        "--configuration",
-        "${input:buildConfiguration}",
-      ],
-      "icon": {
-        "id": "terminal",
-        "color": "terminal.ansiCyan"
-      },
-    },
-    {
-      "label": "Build Spark Sdk (Debug)",
-      "group": "build",
-      "type": "process",
-      "command": "",
-      "linux": {
-        "command": "tools/build_spark_sdk.sh",
-      },
-      "windows": {
-        "command": "tools/build_spark_sdk.cmd",
-      },
-      "args": [
-        "--configuration",
-        "Debug",
-      ],
-      "icon": {
-        "id": "terminal",
-        "color": "terminal.ansiCyan"
-      },
-    },
-    {
-      "label": "Build Spark Sdk (Release)",
-      "group": "build",
-      "type": "process",
-      "command": "",
-      "windows": {
-        "command": "tools/build_spark_sdk.cmd",
-      },
-      "linux": {
-        "command": "tools/build_spark_sdk.sh",
-      },
-      "args": [
-        "--configuration",
-        "Release",
-      ],
-      "icon": {
-        "id": "terminal",
-        "color": "terminal.ansiCyan"
-      },
-    },
     {
       "label": "Build Sparkd",
       "group": "build",
@@ -363,6 +414,22 @@
         "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",
@@ -411,141 +478,19 @@
         "id": "wrench"
       },
     },
-    {
-      "label": "Run Api Server",
-      "dependsOn": "Build Api Server",
-      "type": "process",
-      "command": "",
-      "windows": {
-        "command": "spark_api_server.exe",
-      },
-      "linux": {
-        "command": "spark_api_server",
-      },
-      "args": [
-        "run",
-      ],
-      "options": {
-        "cwd": "${workspaceFolder}/build/${input:buildConfiguration}/bin/net8.0",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:apiServerEnvironment}",
-        }
-      },
-      "icon": {
-        "id": "run",
-        "color": "terminal.ansiGreen",
-      },
-    },
-    {
-      "label": "Run Api Server (Debug)",
-      "dependsOn": "Build Api Server (Debug)",
-      "type": "process",
-      "command": "",
-      "windows": {
-        "command": "spark_api_server.exe",
-      },
-      "linux": {
-        "command": "spark_api_server",
-      },
-      "args": [
-        "run",
-      ],
-      "options": {
-        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:apiServerEnvironment}",
-        }
-      },
-      "icon": {
-        "id": "run",
-        "color": "terminal.ansiGreen",
-      },
-    },
-    {
-      "label": "Run Api Server (Release)",
-      "dependsOn": "Build Api Server (Release)",
-      "type": "process",
-      "command": "",
-      "windows": {
-        "command": "spark_api_server.exe",
-      },
-      "linux": {
-        "command": "spark_api_server",
-      },
-      "args": [
-        "run",
-      ],
-      "options": {
-        "cwd": "${workspaceFolder}/build/Release/bin/net8.0",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:apiServerEnvironment}",
-        }
-      },
-      "icon": {
-        "id": "run",
-        "color": "terminal.ansiGreen",
-      },
-    },
-    {
-      "label": "Run Api Server (Debug | Skip Build)",
-      "type": "process",
-      "command": "",
-      "windows": {
-        "command": "spark_api_server.exe",
-      },
-      "linux": {
-        "command": "spark_api_server",
-      },
-      "args": [
-        "run",
-      ],
-      "options": {
-        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:apiServerEnvironment}",
-        }
-      },
-      "icon": {
-        "id": "run",
-        "color": "terminal.ansiGreen",
-      },
-    },
-    {
-      "label": "Run Api Server (Release | Skip Build)",
-      "type": "process",
-      "command": "",
-      "windows": {
-        "command": "spark_api_server.exe",
-      },
-      "linux": {
-        "command": "spark_api_server",
-      },
-      "args": [
-        "run",
-      ],
-      "options": {
-        "cwd": "${workspaceFolder}/build/Release/bin/net8.0",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:apiServerEnvironment}",
-        }
-      },
-      "icon": {
-        "id": "run",
-        "color": "terminal.ansiGreen",
-      },
-    },
     {
       "label": "Run DataStreamQueryAnalyzer",
-      "dependsOn": "Build DataStream",
+      "dependsOn": "Build DataStreamQueryAnalyzer",
       "type": "process",
       "command": "",
       "windows": {
         "command": "DataStreamQueryAnalyzer.exe",
+        "args": [
+          "--config",
+          "${workspaceFolder}/src/DataStreamSuite/DataStreamQueryAnalyzer/Configurations/DataStreamQueryAnalyzer.json",
+        ],
         "options": {
-          "cwd": "${workspaceFolder}/build/${input:buildConfiguration}/bin/net8.0-windows",
-          "env": {
-            "DOTNET_ENVIRONMENT": "${input:dataStreamQueryAnalyzerEnvironment}",
-          },
+          "cwd": "${workspaceFolder}/build/${input:buildConfiguration}/bin/net8.0-windows"
         },
       },
       "icon": {
@@ -555,16 +500,17 @@
     },
     {
       "label": "Run DataStreamQueryAnalyzer (Debug)",
-      "dependsOn": "Build DataStream (Debug)",
+      "dependsOn": "Build DataStreamQueryAnalyzer (Debug)",
       "type": "process",
       "command": "",
       "windows": {
         "command": "DataStreamQueryAnalyzer.exe",
+        "args": [
+          "--config",
+          "${workspaceFolder}/src/DataStreamSuite/DataStreamQueryAnalyzer/Configurations/DataStreamQueryAnalyzer.json",
+        ],
         "options": {
-          "cwd": "${workspaceFolder}/build/Debug/bin/net8.0-windows",
-          "env": {
-            "DOTNET_ENVIRONMENT": "${input:dataStreamQueryAnalyzerEnvironment}",
-          },
+          "cwd": "${workspaceFolder}/build/Debug/bin/net8.0-windows"
         },
       },
       "icon": {
@@ -574,16 +520,17 @@
     },
     {
       "label": "Run DataStreamQueryAnalyzer (Release)",
-      "dependsOn": "Build DataStream (Release)",
+      "dependsOn": "Build DataStreamQueryAnalyzer (Release)",
       "type": "process",
       "command": "",
       "windows": {
         "command": "DataStreamQueryAnalyzer.exe",
+        "args": [
+          "--config",
+          "${workspaceFolder}/src/DataStreamSuite/DataStreamQueryAnalyzer/Configurations/DataStreamQueryAnalyzer.json",
+        ],
         "options": {
-          "cwd": "${workspaceFolder}/build/Release/bin/net8.0-windows",
-          "env": {
-            "DOTNET_ENVIRONMENT": "${input:dataStreamQueryAnalyzerEnvironment}",
-          },
+          "cwd": "${workspaceFolder}/build/Release/bin/net8.0-windows"
         },
       },
       "icon": {
@@ -602,11 +549,12 @@
       "windows": {
         "command": "DataStreamPublisher.exe",
       },
+      "args": [
+        "--config",
+        "${workspaceFolder}/src/DataStreamSuite/DataStreamPublisher/Configurations/${input:dataStreamPublisherConfig}.json",
+      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/${input:buildConfiguration}/bin/net8.0",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:dataStreamPublisherEnvironment}",
-        },
+        "cwd": "${workspaceFolder}/build/${input:buildConfiguration}/bin/net8.0"
       },
       "icon": {
         "id": "run",
@@ -624,11 +572,12 @@
       "windows": {
         "command": "DataStreamPublisher.exe",
       },
+      "args": [
+        "--config",
+        "${workspaceFolder}/src/DataStreamSuite/DataStreamPublisher/Configurations/${input:dataStreamPublisherConfig}.json",
+      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:dataStreamPublisherEnvironment}",
-        },
+        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0"
       },
       "icon": {
         "id": "run",
@@ -646,11 +595,95 @@
       "windows": {
         "command": "DataStreamPublisher.exe",
       },
+      "args": [
+        "--config",
+        "${workspaceFolder}/src/DataStreamSuite/DataStreamPublisher/Configurations/${input:dataStreamPublisherConfig}.json",
+      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/Release/bin/net8.0",
+        "cwd": "${workspaceFolder}/build/Release/bin/net8.0"
+      },
+      "icon": {
+        "id": "run",
+        "color": "terminal.ansiGreen",
+      },
+    },
+    {
+      "label": "Run DataStream WebApp (Debug)",
+      "dependsOn": "Build DataStream WebApp (Debug)",
+      "command": "",
+      "linux": {
+        "command": "Bts.DataStreamWebApp.Server",
+      },
+      "windows": {
+        "command": "Bts.DataStreamWebApp.Server.exe",
+      },
+      "args": [
+        "--config",
+        "${workspaceFolder}/src/DataStreamSuite/Bts.DataStreamWebApp.Server/Configurations/DevServer.json",
+      ],
+      "options": {
+        "cwd": "${workspaceFolder}/build/Debug/bin/net7.0",
         "env": {
-          "DOTNET_ENVIRONMENT": "${input:dataStreamPublisherEnvironment}",
-        },
+          "ASPNETCORE_HTTP_PORT": "8080",
+          "ASPNETCORE_HTTPS_PORT": "8443",
+          "ASPNETCORE_ENVIRONMENT": "Development",
+          "ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.SpaProxy",
+        }
+      },
+      "icon": {
+        "id": "run",
+        "color": "terminal.ansiGreen",
+      },
+    },
+    {
+      "label": "Run DataStream WebApp (Release)",
+      "dependsOn": "Build DataStream WebApp (Release)",
+      "command": "",
+      "linux": {
+        "command": "Bts.DataStreamWebApp.Server",
+      },
+      "windows": {
+        "command": "Bts.DataStreamWebApp.Server.exe",
+      },
+      "args": [
+        "--config",
+        "${workspaceFolder}/src/DataStreamSuite/Bts.DataStreamWebApp.Server/Configurations/DevServer.json",
+      ],
+      "options": {
+        "cwd": "${workspaceFolder}/build/Release/bin/net7.0",
+        "env": {
+          "ASPNETCORE_HTTP_PORT": "8080",
+          "ASPNETCORE_HTTPS_PORT": "8443",
+          "ASPNETCORE_ENVIRONMENT": "Production",
+          "ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.SpaProxy",
+        }
+      },
+      "icon": {
+        "id": "run",
+        "color": "terminal.ansiGreen",
+      },
+    },
+    {
+      "label": "Run DataStream WebApp (Release | Skip Build)",
+      "command": "",
+      "linux": {
+        "command": "Bts.DataStreamWebApp.Server",
+      },
+      "windows": {
+        "command": "Bts.DataStreamWebApp.Server.exe",
+      },
+      "args": [
+        "--config",
+        "${workspaceFolder}/src/DataStreamSuite/Bts.DataStreamWebApp.Server/Configurations/DevServer.json",
+      ],
+      "options": {
+        "cwd": "${workspaceFolder}/build/Release/bin/net7.0",
+        "env": {
+          "ASPNETCORE_HTTP_PORT": "8080",
+          "ASPNETCORE_HTTPS_PORT": "8443",
+          "ASPNETCORE_ENVIRONMENT": "Production",
+          "ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.SpaProxy",
+        }
       },
       "icon": {
         "id": "run",
@@ -668,11 +701,12 @@
       "windows": {
         "command": "PubSubServer.exe",
       },
+      "args": [
+        "--config",
+        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json",
+      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/${input:buildConfiguration}/bin/net8.0",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
-        },
+        "cwd": "${workspaceFolder}/build/${input:buildConfiguration}/bin/net8.0"
       },
       "icon": {
         "id": "run",
@@ -690,11 +724,12 @@
       "windows": {
         "command": "PubSubServer.exe",
       },
+      "args": [
+        "--config",
+        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json",
+      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
-        },
+        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0"
       },
       "icon": {
         "id": "run",
@@ -711,11 +746,12 @@
       "windows": {
         "command": "PubSubServer.exe",
       },
+      "args": [
+        "--config",
+        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json",
+      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
-        },
+        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0"
       },
       "icon": {
         "id": "run",
@@ -733,11 +769,12 @@
       "windows": {
         "command": "PubSubServer.exe",
       },
+      "args": [
+        "--config",
+        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json",
+      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/Release/bin/net8.0",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
-        },
+        "cwd": "${workspaceFolder}/build/Release/bin/net8.0"
       },
       "icon": {
         "id": "run",
@@ -754,11 +791,12 @@
       "windows": {
         "command": "PubSubServer.exe",
       },
+      "args": [
+        "--config",
+        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json",
+      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/Release/bin/net8.0",
-        "env": {
-          "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
-        },
+        "cwd": "${workspaceFolder}/build/Release/bin/net8.0"
       },
       "icon": {
         "id": "run",
@@ -1024,17 +1062,6 @@
     },
   ],
   "inputs": [
-    {
-      "id": "apiServerEnvironment",
-      "type": "pickString",
-      "description": "Api Server Configuration",
-      "options": [
-        "Development",
-        "Local",
-        "Staging",
-      ],
-      "default": "Development",
-    },
     {
       "id": "buildConfiguration",
       "type": "pickString",
@@ -1045,16 +1072,6 @@
       ],
       "default": "Debug",
     },
-    {
-      "id": "dataStreamQueryAnalyzerEnvironment",
-      "type": "pickString",
-      "description": "DataStreamQueryAnalyzer Configuration",
-      "options": [
-        "Development",
-        "Local",
-      ],
-      "default": "Development",
-    },
     {
       "id": "sparkdCmakePreset",
       "type": "pickString",
@@ -1078,30 +1095,26 @@
       "default": "sparkd-debug-clang",
     },
     {
-      "id": "dataStreamPublisherEnvironment",
+      "id": "dataStreamPublisherConfig",
       "type": "pickString",
       "description": "Publisher Configuration",
       "options": [
-        "Development",
-        "MarketData",
-        "Production",
-        "ProductionAws",
-        "Staging",
+        "MarketDataPublisher",
+        "SimpleEchoClient",
+        "SimpleTestDataPublisher",
+        "TestDataPublisher",
       ],
       "default": "MarketDataPublisher",
     },
     {
-      "id": "pubSubServerEnvironment",
+      "id": "pubSubServerConfig",
       "type": "pickString",
       "description": "PubSub Configuration",
       "options": [
-        "Development",
-        "EchoServer",
-        "Production",
-        "ProductionAws",
-        "Staging",
+        "PubSubServer",
+        "SimpleEchoClient",
       ],
-      "default": "Development",
+      "default": "PubSubServer",
     },
     {
       "id": "sparkConfigQuery",

Bts.Spark.Sdk.sln

@@ -1,162 +0,0 @@
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-MinimumVisualStudioVersion = 10.0.40219.1
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-EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "cs", "cs", "{C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Core", "src\cs\Bts.Spark.Core\Bts.Spark.Core.csproj", "{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Api", "src\cs\Bts.Spark.Api\Bts.Spark.Api.csproj", "{8949AF88-F1D3-4BC4-827F-B088B555F7B9}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Extensions.Hosting", "src\cs\Bts.Extensions.Hosting\Bts.Extensions.Hosting.csproj", "{37E4E890-D025-4729-90F9-6F95862F47BC}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Sdk", "src\cs\Bts.Spark.Sdk\Bts.Spark.Sdk.csproj", "{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Sdk.Demo", "src\cs\Bts.Spark.Sdk.Demo\Bts.Spark.Sdk.Demo.csproj", "{FCFDBDBE-74B0-41C4-9011-C651B21056D4}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Collections", "src\cs\Bts.Collections\Bts.Collections.csproj", "{3BF4DF96-5AFF-4674-866A-71A8090627FF}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Core", "src\cs\Bts.Core\Bts.Core.csproj", "{CD0A3EEF-303A-44EE-85F2-76F4CE632A3B}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Disposables", "src\cs\Bts.Disposables\Bts.Disposables.csproj", "{62067659-AA2E-4CB5-B7CE-0B38EAA92080}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Numerics", "src\cs\Bts.Numerics\Bts.Numerics.csproj", "{2FE1E5D0-168A-4D83-9B18-0D48250B4BFE}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Debug|x64 = Debug|x64
-		Debug|x86 = Debug|x86
-		Release|Any CPU = Release|Any CPU
-		Release|x64 = Release|x64
-		Release|x86 = Release|x86
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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-	GlobalSection(NestedProjects) = preSolution
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-	EndGlobalSection
-EndGlobal

CMakePresets.json

@@ -8,47 +8,33 @@
 
   "configurePresets": [
     {
-      "name": "spark-base",
-      "hidden": true,
-      "binaryDir": "${sourceDir}/build/${presetName}",
-      "cacheVariables": {
-        "CMAKE_CXX_STANDARD": "20",
-        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
-        "CMAKE_TOOLCHAIN_FILE": "${sourceDir}/vcpkg/scripts/buildsystems/vcpkg.cmake",
-        "CONFIG_DEFAULTS_PATH": "spark/config/profiles/default/*.conf",
-        "EXPORT_MD_CONSUMER": {
-          "type": "BOOL",
-          "value": "ON"
-        }
-      }
-    },
-
-    {
-      "name": "spark-windows",
-      "inherits": "spark-base",
-      "displayName": "Spark",
+      "name": "spark",
       "condition": {
         "type": "equals",
         "lhs": "${hostSystemName}",
         "rhs": "Windows"
       },
-      "generator": "Ninja Multi-Config",
+      "generator": "Visual Studio 17 2022",
+      "binaryDir": "${sourceDir}/build/${presetName}",
       "environment": {
-        "SPARK_CMAKE_CXX_FLAGS": "/WX /wd4250 /wd4251 /wd4244 /wd4267 /wd4355 /wd4275 /wd4345 /bigobj /EHsc /DCURL_STATICLIB /D_WINSOCK_DEPRECATED_NO_WARNINGS /D__TBB_NO_IMPLICIT_LINKAGE /DBOOST_ALL_NO_LIB /std:c++20 /D_SCL_SECURE_NO_WARNINGS /D_CRT_SECURE_NO_WARNINGS /D_WIN32_WINNT=0x0600"
+        "SPARK_CMAKE_CXX_FLAGS": "/MP /WX /wd4250 /wd4251 /wd4244 /wd4267 /wd4355 /wd4275 /wd4345 /bigobj /EHsc /DCURL_STATICLIB /D_WINSOCK_DEPRECATED_NO_WARNINGS /D__TBB_NO_IMPLICIT_LINKAGE /DBOOST_ALL_NO_LIB /std:c++20 /D_SCL_SECURE_NO_WARNINGS /D_CRT_SECURE_NO_WARNINGS /D_WIN32_WINNT=0x0600"
       },
       "cacheVariables": {
-        "CMAKE_C_COMPILER": "clang-cl",
-        "CMAKE_CXX_COMPILER": "clang-cl",
         "CMAKE_CXX_FLAGS": "$env{SPARK_CMAKE_CXX_FLAGS}",
         "CMAKE_CXX_FLAGS_DEBUG": "$env{SPARK_CMAKE_CXX_FLAGS} /MTd",
         "CMAKE_CXX_FLAGS_RELEASE": "$env{SPARK_CMAKE_CXX_FLAGS} /MT",
-        "CMAKE_EXPORT_COMPILE_COMMANDS": {
-          "type": "BOOL",
-          "value": "ON"
-        },
+        "CMAKE_CXX_STANDARD": "20",
+        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
         "CMAKE_SHARED_LINKER_FLAGS_DEBUG": "/DEBUG",
         "CMAKE_SHARED_LINKER_FLAGS_RELEASE": "/OPT:REF /OPT:ICF /LTCG",
-        "EXTERNALS_ROOT": "${sourceDir}/externals/windows"
+        "CMAKE_TOOLCHAIN_FILE": "${sourceDir}/vcpkg/scripts/buildsystems/vcpkg.cmake",
+        "EXTERNALS_ROOT": "${sourceDir}/externals/windows",
+        "CONFIG_DEFAULTS_PATH": "spark/config/profiles/default/*.conf",
+        "DOTNET_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net8.0;${sourceDir}/build/$<CONFIG>/bin/net8.0-windows",
+        "EXPORT_MD_CONSUMER": {
+          "type": "BOOL",
+          "value": "ON"
+        }
       }
     },
 
@@ -165,17 +151,17 @@
     },
 
     {
-      "name": "spark-linux",
-      "inherits": "spark-base",
-      "displayName": "Spark",
-      "condition": {
-        "type": "equals",
-        "lhs": "${hostSystemName}",
-        "rhs": "Linux"
-      },
+      "name": "spark-api-server-windows",
+      "inherits": "spark",
+      "displayName": "Spark Api Server (Windows)"
+    },
+
+    {
+      "name": "spark-api-server-linux",
+      "inherits": "sparkd",
+      "displayName": "Spark Api Server (Linux)",
       "generator": "Ninja Multi-Config",
       "cacheVariables": {
-        "platform": "linux",
         "BUILD_ADMIN_WEB_APP": {
           "type": "BOOL",
           "value": "OFF"
@@ -184,26 +170,21 @@
           "type": "BOOL",
           "value": "OFF"
         },
-        "CMAKE_BUILD_WITH_INSTALL_RPATH": {
-          "type": "BOOL",
-          "value": "OFF"
-        },
         "CMAKE_C_COMPILER": "clang",
         "CMAKE_CXX_COMPILER": "clang++",
         "CMAKE_CXX_FLAGS_DEBUG": "-g -fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -DDEBUG",
         "CMAKE_CXX_FLAGS_RELEASE": "-fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -fno-omit-frame-pointer -DNDEBUG -O3",
-        "CMAKE_EXE_LINKER_FLAGS": "-Wno-undef",
+        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
         "CMAKE_EXPORT_COMPILE_COMMANDS": {
           "type": "BOOL",
           "value": "ON"
         },
-        "CMAKE_INSTALL_RPATH": ".",
-        "CMAKE_PREFIX_PATH": "${sourceDir}/cmake/;${sourceDir}/.venv/lib/python3.10/site-packages/pybind11/share/cmake/pybind11",
-        "DATABENTO_USE_EXTERNAL_JSON": {
+        "CONFIG_DEFAULTS_PATH": "spark/config/profiles/default/*.conf",
+        "DOTNET_BINARY_DIR": "${sourceDir}/build/Spark.Api.Server/$<CONFIG>/bin/net8.0",
+        "EXPORT_MD_CONSUMER": {
           "type": "BOOL",
           "value": "ON"
-        },
-        "EXTERNALS_ROOT": "${sourceDir}/externals/linux"
+        }
       }
     },
 
@@ -223,32 +204,87 @@
       "cacheVariables": {
         "CCAPI_LOG_LEVEL": "Trace"
       }
-    }
-  ],
+    },
 
-  "buildPresets": [
     {
-      "name": "spark-windows",
+      "name": "data-stream-suite-windows",
       "condition": {
         "type": "equals",
         "lhs": "${hostSystemName}",
         "rhs": "Windows"
       },
-      "hidden": true,
-      "configurePreset": "spark-windows"
+      "inherits": "spark",
+      "displayName": "Data Stream Suite (Windows)",
+      "description": "Data Stream utils ported over from Edge",
+      "binaryDir": "${sourceDir}/build/${presetName}",
+      "cacheVariables": {
+        "CONFIG_DEFAULTS_PATH": "spark/config/profiles/default/*.conf;spark/config/profiles/data_stream/*.conf",
+        "DOTNET_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net8.0;${sourceDir}/build/$<CONFIG>/bin/net8.0-windows"
+      }
     },
 
     {
-      "name": "spark-windows-debug",
+      "name": "data-stream-suite-linux",
+      "displayName": "Data Stream Suite (Linux)",
+      "description": "Data Stream utils ported over from Edge",
+      "condition": {
+        "type": "equals",
+        "lhs": "${hostSystemName}",
+        "rhs": "Linux"
+      },
+      "inherits": "sparkd",
+      "generator": "Ninja Multi-Config",
+      "cacheVariables": {
+        "BUILD_ADMIN_WEB_APP": {
+          "type": "BOOL",
+          "value": "OFF"
+        },
+        "BUILD_SDK": {
+          "type": "BOOL",
+          "value": "OFF"
+        },
+        "BUILD_SPARKD": {
+          "type": "BOOL",
+          "value": "OFF"
+        },
+        "CMAKE_C_COMPILER": "clang",
+        "CMAKE_CXX_COMPILER": "clang++",
+        "CMAKE_CXX_FLAGS_DEBUG": "-g -fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -DDEBUG",
+        "CMAKE_CXX_FLAGS_RELEASE": "-fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -fno-omit-frame-pointer -DNDEBUG -O3",
+        "CONFIG_DEFAULTS_PATH": "spark/config/profiles/default/*.conf;spark/config/profiles/data_stream/*.conf",
+        "DOTNET_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net7.0",
+        "EXPORT_MD_CONSUMER": {
+          "type": "BOOL",
+          "value": "ON"
+        }
+      }
+    }
+  ],
+
+  "buildPresets": [
+    {
+      "name": "spark",
+      "condition": {
+        "type": "equals",
+        "lhs": "${hostSystemName}",
+        "rhs": "Windows"
+      },
+      "hidden": true
+    },
+
+    {
+      "name": "spark-debug",
       "displayName": "Spark (Debug)",
-      "inherits": "spark-windows",
+      "inherits": "spark",
+      "configurePreset": "spark",
       "configuration": "Debug"
     },
 
     {
-      "name": "spark-windows-release",
+      "name": "spark-release",
       "displayName": "Spark (Release)",
-      "inherits": "spark-windows",
+      "inherits": "spark",
+      "configurePreset": "spark",
       "configuration": "Release"
     },
 
@@ -291,27 +327,52 @@
     },
 
     {
-      "name": "spark-linux",
+      "name": "spark-api-server-windows",
+      "condition": {
+        "type": "equals",
+        "lhs": "${hostSystemName}",
+        "rhs": "Windows"
+      },
+      "hidden": true,
+      "configurePreset": "spark-api-server-windows"
+    },
+
+    {
+      "name": "spark-api-server-windows-debug",
+      "displayName": "Spark Api Server (Windows | Debug)",
+      "inherits": "spark-api-server-windows",
+      "configuration": "Debug"
+    },
+
+    {
+      "name": "spark-api-server-windows-release",
+      "displayName": "Spark Api Server (Windows | Release)",
+      "inherits": "spark-api-server-windows",
+      "configuration": "Release"
+    },
+
+    {
+      "name": "spark-api-server-linux",
       "condition": {
         "type": "equals",
         "lhs": "${hostSystemName}",
         "rhs": "Linux"
       },
       "hidden": true,
-      "configurePreset": "spark-linux"
+      "configurePreset": "spark-api-server-linux"
     },
 
     {
-      "name": "spark-linux-debug",
-      "inherits": "spark-linux",
-      "displayName": "Spark (Linux | Debug)",
+      "name": "spark-api-server-linux-debug",
+      "inherits": "spark-api-server-linux",
+      "displayName": "Spark Api Server (Linux | Debug)",
       "configuration": "Debug"
     },
 
     {
-      "name": "spark-linux-release",
-      "inherits": "spark-linux",
-      "displayName": "Spark (Linux | Release)",
+      "name": "spark-api-server-linux-release",
+      "inherits": "spark-api-server-linux",
+      "displayName": "Spark Api Server (Linux | Release)",
       "configuration": "Release"
     },
 
@@ -328,6 +389,34 @@
       "configurePreset": "sparkd-ccapi-diag",
       "displayName": "Debug (ccapi diag)",
       "inherits": "sparkd"
+    },
+
+    {
+      "name": "data-stream-suite-windows-debug",
+      "displayName": "Data Stream Suite (Windows | Debug)",
+      "configurePreset": "data-stream-suite-windows",
+      "configuration": "Debug"
+    },
+
+    {
+      "name": "data-stream-suite-windows-release",
+      "displayName": "Data Stream Suite (Windows | Release)",
+      "configurePreset": "data-stream-suite-windows",
+      "configuration": "Release"
+    },
+
+    {
+      "name": "data-stream-suite-linux-debug",
+      "displayName": "Data Stream Suite (Linux | Debug)",
+      "configurePreset": "data-stream-suite-linux",
+      "configuration": "Debug"
+    },
+
+    {
+      "name": "data-stream-suite-linux-release",
+      "displayName": "Data Stream Suite (Linux | Release)",
+      "configurePreset": "data-stream-suite-linux",
+      "configuration": "Release"
     }
   ]
 }

Spark.Api.Server.sln

@@ -1,11 +1,10 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.3.32922.545
 MinimumVisualStudioVersion = 15.0.26124.0
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Bts.Spark.Api", "src\cs\Bts.Spark.Api\Bts.Spark.Api.csproj", "{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}"
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+		{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
 	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {422D1620-0166-4C26-9A81-CA8A2EB1AB58}
+	EndGlobalSection
+	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}
@@ -690,21 +215,8 @@ Global
 		{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}
-		{39AEA075-6457-46C0-8821-1158BE6EFA57} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
-		{385C4948-E080-56A6-E29E-8B0F4913175C} = {267F81EF-A8AB-49FD-9F56-D7EC3C1F7C7C}
-		{43FB297B-7A4D-4835-A878-E6DF345B580C} = {385C4948-E080-56A6-E29E-8B0F4913175C}
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-		{95C5F6C0-88E5-4338-9A4F-614CF6C03CC0} = {385C4948-E080-56A6-E29E-8B0F4913175C}
-		{0354655D-2394-42BB-B1D4-2D75B9BCABF1} = {385C4948-E080-56A6-E29E-8B0F4913175C}
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {422D1620-0166-4C26-9A81-CA8A2EB1AB58}
-	EndGlobalSection
-	GlobalSection(Performance) = preSolution
-		HasPerformanceSessions = true
 	EndGlobalSection
 EndGlobal

cmake/Protobuf.cmake

@@ -0,0 +1,182 @@
+set(Protobuf_PROTOC_EXECUTABLE "${EXTERNALS_BIN}/protoc")
+set(PROTOBUF_INCLUDE_DIRS "${EXTERNALS_INCLUDE}")
+set(PROTOBUF_STATIC_LIB "libprotobuf")
+set(_protobuf_src_dir ${CMAKE_SOURCE_DIR}/src/lib_spark)
+set(_protobuf_bin_dir ${CMAKE_BINARY_DIR}/src/lib_spark)
+
+function(Protobuf_Generate_Cpp)
+  set(_options)
+  set(_one_value_args CXX_SOURCES CXX_HEADERS CXX_OUT_DIR)
+  set(_multi_value_args PROTO_INCLUDE_DIRS PROTO_SOURCES)
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+  set(${_ARGS_CXX_SOURCES})
+  set(${_ARGS_CXX_HEADERS})
+
+  set(_proto_include_cli_args)
+  foreach(_dir ${_ARGS_PROTO_INCLUDE_DIRS})
+    list(APPEND _proto_include_cli_args -I ${_dir})
+  endforeach()
+
+  foreach(FIL ${_ARGS_PROTO_SOURCES})
+    get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
+    get_filename_component(FIL_WE ${FIL} NAME_WE)
+    get_filename_component(FIL_DIR ${FIL} DIRECTORY)
+    if(FIL_DIR)
+      set(FIL_WE "${FIL_DIR}/${FIL_WE}")
+    endif()
+
+    list(APPEND ${_ARGS_CXX_SOURCES} "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.pb.cc")
+    list(APPEND ${_ARGS_CXX_HEADERS} "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.pb.h")
+
+    add_custom_command(
+      OUTPUT
+        "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.pb.cc"
+        "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.pb.h"
+      COMMAND
+        ${Protobuf_PROTOC_EXECUTABLE}
+      ARGS
+        --cpp_out=${_ARGS_CXX_OUT_DIR} ${_proto_include_cli_args} ${ABS_FIL}
+      DEPENDS ${ABS_FIL}
+      COMMENT "Running C++ protocol buffer compiler on ${FIL}"
+      VERBATIM
+    )
+  endforeach()
+
+  set_source_files_properties(
+    ${${_ARGS_CXX_SOURCES}}
+    ${${_ARGS_CXX_HEADERS}}
+    PROPERTIES
+      GENERATED TRUE
+  )
+
+  # remove some warnings from protobuf generated files
+  if(WIN32)
+    set_source_files_properties(
+      ${${_ARGS_CXX_SOURCES}}
+      PROPERTIES
+        COMPILE_FLAGS "/wd4309 /wd4838"
+    )
+  else()
+    set_source_files_properties(
+      ${${_ARGS_CXX_SOURCES}}
+      PROPERTIES
+        COMPILE_FLAGS "-Wno-unused-parameter -Wno-effc++ -Wno-pedantic -Wno-sign-compare -Wno-uninitialized"
+    )
+  endif()
+
+  set(${_ARGS_CXX_SOURCES} ${${_ARGS_CXX_SOURCES}} PARENT_SCOPE)
+  set(${_ARGS_CXX_HEADERS} ${${_ARGS_CXX_HEADERS}} PARENT_SCOPE)
+endfunction()
+
+function(Service_Compiler_Generate_Cpp)
+  set(_options)
+  set(_one_value_args CXX_SOURCES CXX_HEADERS CXX_OUT_DIR)
+  set(_multi_value_args PROTO_INCLUDE_DIRS PROTO_SOURCES)
+  cmake_parse_arguments(_ARGS "${_options}" "${_one_value_args}" "${_multi_value_args}" ${ARGN})
+  set(${_ARGS_CXX_SOURCES})
+  set(${_ARGS_CXX_HEADERS})
+
+  set(_proto_include_cli_args)
+  foreach(_dir ${_ARGS_PROTO_INCLUDE_DIRS})
+    list(APPEND _proto_include_cli_args -I ${_dir})
+  endforeach()
+
+  foreach(FIL ${_ARGS_PROTO_SOURCES})
+    get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
+    get_filename_component(FIL_WE ${FIL} NAME_WE)
+    get_filename_component(FIL_DIR ${FIL} DIRECTORY)
+    if(FIL_DIR)
+      set(FIL_WE "${FIL_DIR}/${FIL_WE}")
+    endif()
+
+    list(APPEND ${_ARGS_CXX_SOURCES} "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.pb.cc")
+    list(APPEND ${_ARGS_CXX_HEADERS} "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.pb.h")
+
+    list(APPEND ${_ARGS_CXX_SOURCES} "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.client.pb.cc")
+    list(APPEND ${_ARGS_CXX_HEADERS} "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.client.pb.h")
+
+    list(APPEND ${_ARGS_CXX_SOURCES} "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.server.pb.cc")
+    list(APPEND ${_ARGS_CXX_HEADERS} "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.server.pb.h")
+
+    set(TEMPLATES
+      ${CMAKE_SOURCE_DIR}/src/lib_spark/spark/api/service_compiler/templates/cpp/client.pb.cc
+      ${CMAKE_SOURCE_DIR}/src/lib_spark/spark/api/service_compiler/templates/cpp/client.pb.h
+      ${CMAKE_SOURCE_DIR}/src/lib_spark/spark/api/service_compiler/templates/cpp/server.pb.cc
+      ${CMAKE_SOURCE_DIR}/src/lib_spark/spark/api/service_compiler/templates/cpp/server.pb.h
+    )
+
+    set(_plugin_py ${CMAKE_SOURCE_DIR}/src/lib_spark/spark/api/service_compiler/plugin.py)
+    if(WIN32)
+      set(_plugin_cmd ${CMAKE_SOURCE_DIR}/src/lib_spark/spark/api/service_compiler/plugin.cmd)
+      add_custom_command(
+        OUTPUT
+          "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.pb.cc"
+          "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.pb.h"
+          "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.client.pb.cc"
+          "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.client.pb.h"
+          "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.server.pb.cc"
+          "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.server.pb.h"
+        COMMAND SET PYTHONPATH=${SPARK_PYTHON}
+        COMMAND ${CMAKE_SOURCE_DIR}/.venv/Scripts/activate.bat
+        COMMAND
+          ${Protobuf_PROTOC_EXECUTABLE}
+          ARGS
+            --cpp_out=${_ARGS_CXX_OUT_DIR}
+            --plugin=protoc-gen-service=${_plugin_cmd}
+            --service_out=lang=cpp:${_ARGS_CXX_OUT_DIR}
+            -I ${PROTOBUF_INCLUDE_DIRS}
+            -I ${_protobuf_src_dir}
+            ${ABS_FIL}
+        DEPENDS
+          ${ABS_FIL}
+          ${TEMPLATES}
+          ${_plugin_cmd}
+          ${_plugin_py}
+        COMMENT "Running C++ service compiler on ${FIL}"
+        VERBATIM
+      )
+    else()
+      add_custom_command(
+        OUTPUT
+          "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.pb.cc"
+          "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.pb.h"
+          "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.client.pb.cc"
+          "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.client.pb.h"
+          "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.server.pb.cc"
+          "${_ARGS_CXX_OUT_DIR}/${FIL_WE}.server.pb.h"
+        COMMAND ${CMAKE_SOURCE_DIR}/tools/venv_exec.sh
+        ARGS
+          ${Protobuf_PROTOC_EXECUTABLE}
+          --cpp_out=${_ARGS_CXX_OUT_DIR}
+          --plugin=protoc-gen-service=${_plugin_py}
+          --service_out=lang=cpp,make_file_name=${ABS_FIL}:${_ARGS_CXX_OUT_DIR}
+          ${_proto_include_cli_args} ${ABS_FIL}
+        DEPENDS
+          ${ABS_FIL}
+          ${TEMPLATES}
+          ${_plugin_py}
+        COMMENT "Running C++ service compiler on ${FIL}"
+        VERBATIM
+      )
+    endif()
+  endforeach()
+
+  # remove some warnings from protobuf generated files
+  if(WIN32)
+    set_source_files_properties(
+      ${${_ARGS_CXX_SOURCES}}
+      PROPERTIES
+        COMPILE_FLAGS "/wd4309 /wd4838"
+    )
+  else()
+    set_source_files_properties(
+      ${${_ARGS_CXX_SOURCES}}
+      PROPERTIES
+        COMPILE_FLAGS "-Wno-unused-parameter -Wno-effc++ -Wno-pedantic -Wno-sign-compare -Wno-uninitialized"
+    )
+  endif()
+
+  set(${_ARGS_CXX_SOURCES} ${${_ARGS_CXX_SOURCES}} PARENT_SCOPE)
+  set(${_ARGS_CXX_HEADERS} ${${_ARGS_CXX_HEADERS}} PARENT_SCOPE)
+endfunction()
+

compose.yaml

@@ -1,8 +1,7 @@
 services:
   sparkd:
     volumes:
-      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
-      - ${SPARKD__MD_RECORDING_DIR:-md_recording}:/md_recording
+      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/sparkdata/data
     build:
       dockerfile: src/app_sparkd/Dockerfile
       args:
@@ -10,34 +9,24 @@ services:
         - SOURCE_DIR=${SPARKD__SOURCE_DIR}
         - CONFIG_DIR=${SPARKD__CONFIG_DIR}
         - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
-        - ENTRYPOINT_SCRIPT=${SPARKD__ENTRYPOINT}
     shm_size: "${SPARKD__SHM_SIZE:-512mb}"
-    env_file:
-      - .env
-      - ${SPARKD__CONFIG_DIR}/.env
-    ports:
-      - "${SPARKD__CONFIG_PORT}:${SPARKD__CONFIG_PORT}"
-      - "${SPARKD__QUICKBUS_PORT}:${SPARKD__QUICKBUS_PORT}"
-      - "${SPARKD__SIM_FIX_PORT}:${SPARKD__SIM_FIX_PORT}"
-    deploy:
-      resources:
-        limits:
-          memory: "${SPARKD__MEMORY:-4gb}"
-
-  sparkd-shell:
-    volumes:
-      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
-      - ${SPARKD__MD_RECORDING_DIR:-md_recording}:/md_recording
-    build:
-      dockerfile: docker/images/bluetradingsystems/linux_shell/Dockerfile
-      args:
-        - IMAGE=${SPARKD__IMAGE}
-        - SOURCE_DIR=${SPARKD__SOURCE_DIR}
-        - CONFIG_DIR=${SPARKD__CONFIG_DIR}
-        - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
-        - ENTRYPOINT_SCRIPT=${SPARKD__ENTRYPOINT}
-    shm_size: "${SPARKD__SHM_SIZE:-512mb}"
-    command: "do sleep 1; done"
+    command: >
+      sh -c "
+        echo bts | sudo -S chown -R bts:bts /home/bts/sparkdata/data
+        if [ -e "/home/bts/sparkdata/data/logging.sparkd/log" ]; then
+          mv "/home/bts/sparkdata/data/logging.sparkd/log" "/home/bts/sparkdata/data/logging.sparkd/log_$(date '+%Y%m%d-%H%M')"
+        fi
+        if [ -e "/home/bts/sparkdata/conf/.env.local" ]; then
+          echo 'Sourcing /home/bts/sparkdata/conf/.env.local'
+          set -a
+          . /home/bts/sparkdata/conf/.env.local
+          set +a
+        fi
+        if [ -d /home/bts/sparkdata/conf/plugins ]; then
+          echo 'Copying /home/bts/sparkdata/conf/plugins to runtime dir (/home/bts/bin)'
+          cp -r /home/bts/sparkdata/conf/plugins /home/bts/bin/
+        fi
+        ./sparkd run"
     env_file:
       - .env
       - ${SPARKD__CONFIG_DIR}/.env
@@ -52,8 +41,8 @@ services:
 
   sparkd-symbols:
     volumes:
-      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
-      - ${SPARKD__RUNTIME_CONF_DIR:-sparkd_conf}:/home/bts/.local/share/bts/sparkd/conf
+      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/sparkdata/data
+      - ${SPARKD__RUNTIME_CONF_DIR:-sparkd_conf}:/home/bts/sparkdata/conf
     build:
       dockerfile: src/app_sparkd/Dockerfile
       args:
@@ -61,8 +50,26 @@ services:
         - SOURCE_DIR=${SPARKD__SOURCE_DIR}
         - CONFIG_DIR=${SPARKD__CONFIG_DIR}
         - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
-        - ENTRYPOINT_SCRIPT=${SPARKD__ENTRYPOINT}
     shm_size: "${SPARKD__SHM_SIZE:-512mb}"
+    command: >
+      sh -c "
+        echo bts | sudo -S chown -R bts:bts /home/bts/sparkdata
+        if [ -e "/home/bts/sparkdata/data/logging.sparkd/log" ]; then
+          mv "/home/bts/sparkdata/data/logging.sparkd/log" "/home/bts/sparkdata/data/logging.sparkd/log_$(date '+%Y%m%d-%H%M')"
+        fi
+        ls -alh /home/bts/sparkdata/conf/
+        cat /home/bts/sparkdata/conf/.env.local
+        if [ -e "/home/bts/sparkdata/conf/.env.local" ]; then
+          echo 'Sourcing /home/bts/sparkdata/conf/.env.local'
+          set -a
+          . /home/bts/sparkdata/conf/.env.local
+          set +a
+        fi
+        if [ -d /home/bts/sparkdata/conf/plugins ]; then
+          echo 'Copying /home/bts/sparkdata/conf/plugins to runtime dir (/home/bts/bin)'
+          cp -r /home/bts/sparkdata/conf/plugins /home/bts/bin/
+        fi
+        ./sparkd run"
     env_file:
       - .env
       - ${SPARKD__CONFIG_DIR}/.env
@@ -79,15 +86,15 @@ services:
           memory: "${SPARKD__MEMORY:-4gb}"
 
   sparkd-tail:
-    image: bluetradingsystems/linux_dotnet8
+    image: bluetradingsystems/linux_dotnet7
     volumes:
       - type: volume
         read_only: true
         source: sparkd_data
-        target: /home/bts/.local/share/bts/sparkd/data/logging.sparkd
+        target: /home/bts/sparkdata/data/logging.sparkd
         volume:
           subpath: logging.sparkd
-    command: ["tail", "-f", "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log"]
+    command: ["tail", "-f", "/home/bts/sparkdata/data/logging.sparkd/log"]
 
   sparkd-ping-test:
     depends_on:
@@ -97,75 +104,49 @@ services:
     build:
       context: .
       dockerfile_inline: |
-        FROM bluetradingsystems/linux_dotnet8
+        FROM bluetradingsystems/linux_dotnet7
         USER "root"
         RUN apt-get update && apt-get -y install iputils-ping
     command: [ "ping", "sparkd" ]
 
   pubsub:
-    volumes:
-      - ${PUBSUB__DATA_DIR:-pubsub_data}:/home/bts/.local/share/bts/pubsub/data
+    environment:
+      - DOTNET_ENVIRONMENT=Staging
     build:
       dockerfile: src/DataStreamSuite/PubSubServer/Dockerfile
       args:
-        - SOURCE_DIR=${PUBSUB__SOURCE_DIR}
-        - CONFIG_DIR=${PUBSUB__CONFIG_DIR}
+        - SOURCE_DIR=build/Release/bin/net8.0/linux-x64/publish
+        - CONF_FILE=src/DataStreamSuite/PubSubServer/spark.conf
     ports:
       - 22019:22019
-    command: >
-      sh -c "
-        echo bts | sudo -S chown -R bts:bts /home/bts/.local/share/bts/pubsub/data
-        if [ -e "/home/bts/.local/share/bts/pubsub/data/logging.PubSubServer/log" ]; then
-          mv "/home/bts/.local/share/bts/pubsub/data/logging.PubSubServer/log" "/home/bts/.local/share/bts/pubsub/data/logging.PubSubServer/log_$(date '+%Y%m%d-%H%M')"
-        fi
-        if [ -e "/home/bts/.local/share/bts/pubsub/conf/.env" ]; then
-          echo 'Sourcing /home/bts/.local/share/bts/pubsub/conf/.env'
-          set -a
-          . /home/bts/.local/share/bts/pubsub/conf/.env
-          set +a
-        fi
-        if [ -e "/home/bts/.local/share/bts/pubsub/conf/.env.local" ]; then
-          echo 'Sourcing /home/bts/.local/share/bts/pubsub/conf/.env.local'
-          set -a
-          . /home/bts/.local/share/bts/pubsub/conf/.env.local
-          set +a
-        fi
-        ./PubSubServer"
-    env_file:
-      - .env
-      - ${PUBSUB__CONFIG_DIR}/.env
+    command: [ "./PubSubServer" ]
 
   md-publisher:
-    volumes:
-      - ${MD_PUBLISHER__DATA_DIR:-md_publisher_data}:/home/bts/.local/share/bts/md_publisher/data
-      - historic_md:/home/bts/.local/share/bts/md_publisher/data/databento
     build:
       dockerfile: src/DataStreamSuite/DataStreamPublisher/Dockerfile
       args:
-        - SOURCE_DIR=${MD_PUBLISHER__SOURCE_DIR}
-        - CONFIG_DIR=${MD_PUBLISHER__CONFIG_DIR}
-    command: >
-      sh -c "
-        echo bts | sudo -S chown -R bts:bts /home/bts/.local/share/bts/md_publisher/data
-        if [ -e "/home/bts/.local/share/bts/md_publisher/data/logging.DataStreamPublisher/log" ]; then
-          mv "/home/bts/.local/share/bts/md_publisher/data/logging.DataStreamPublisher/log" "/home/bts/.local/share/bts/md_publisher/data/logging.DataStreamPublisher/log_$(date '+%Y%m%d-%H%M')"
-        fi
-        if [ -e "/home/bts/.local/share/bts/md_publisher/conf/.env" ]; then
-          echo 'Sourcing /home/bts/.local/share/bts/md_publisher/conf/.env'
-          set -a
-          . /home/bts/.local/share/bts/md_publisher/conf/.env
-          set +a
-        fi
-        if [ -e "/home/bts/.local/share/bts/md_publisher/conf/.env.local" ]; then
-          echo 'Sourcing /home/bts/.local/share/bts/md_publisher/conf/.env.local'
-          set -a
-          . /home/bts/.local/share/bts/md_publisher/conf/.env.local
-          set +a
-        fi
-      dockerize -wait tcp://pubsub:22019 -timeout 10s ./DataStreamPublisher"
-    env_file:
-      - .env
-      - ${MD_PUBLISHER__CONFIG_DIR}/.env
+        - SOURCE_DIR=build/Release/bin/net8.0/linux-x64/publish
+        - CONF_FILE=src/DataStreamSuite/DataStreamPublisher/spark.conf
+    depends_on:
+      - pubsub
+      - sparkd
+    command: [ "dockerize", "-wait", "tcp://pubsub:22019", "-wait", "tcp://sparkd:8000", "-timeout", "10s", "./DataStreamPublisher" ]
+    environment:
+      - DOTNET_ENVIRONMENT=MarketData
+
+  webapp:
+    ports:
+      - 8080:8080
+      - 8443:8443
+    build:
+      dockerfile: src/DataStreamSuite/Bts.DataStreamWebApp.Server/Dockerfile
+      args:
+        - SOURCE_DIR=build/Release/bin/net8.0/linux-x64/publish
+        - WEB_ROOT=build/Bts.DataStreamWebApp.Client/production/dist
+        - CONF_FILE=src/DataStreamSuite/Bts.DataStreamWebApp.Server/spark.conf
+    command: [ "./Bts.DataStreamWebApp.Server" ]
+    environment:
+      - ASPNETCORE_ENVIRONMENT=Staging
 
   api-server:
     depends_on:
@@ -182,12 +163,3 @@ services:
 volumes:
   sparkd_data:
     name: "sparkd_${SPARKD__CONFIG_PORT:-8000}"
-  pubsub_data:
-    name: "pubsub_22019"
-  md_publisher_data:
-    name: "md_publisher_22019"
-  historic_md:
-    name: "historic_md"
-  md_recording:
-    name: "sparkd_md_recording_${SPARKD__CONFIG_PORT:-8000}"
-    external: true

docker/images/bluetradingsystems/linux_shell/Dockerfile

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

docker/ubuntu-22.04/dotnet-7/Dockerfile

@@ -2,13 +2,13 @@ FROM ubuntu:22.04
 
 ARG DEBIAN_FRONTEND=noninteractive
 
-RUN apt-get update && apt-get install -y pkg-config
-RUN apt-get update && apt-get install -y locales
-RUN apt-get update && apt-get install -y ca-certificates
-RUN apt-get update && apt-get install -y libssh2-1-dev
-RUN apt-get update && apt-get install -y software-properties-common
-RUN apt-get update && apt-get install -y sudo
-RUN apt-get update && apt-get install -y tzdata
+RUN apt-get update \
+  && apt-get install -y pkg-config \
+  && apt-get install -y locales \
+  && apt-get install -y ca-certificates \
+  && apt-get install -y libssh2-1-dev \
+  && apt-get install -y software-properties-common \
+  && apt-get install -y sudo
 
 # GCC
 ARG gcc_major=13
@@ -17,7 +17,7 @@ RUN add-apt-repository ppa:ubuntu-toolchain-r/test \
   && apt-get install -y g++-$gcc_major
 
 RUN apt-get update \
-  && apt-get install -y dotnet8
+  && apt-get install -y dotnet7
 
 RUN locale-gen en_US.UTF-8
 

requirements.txt

@@ -18,10 +18,10 @@ MarkupSafe==3.0.2
 mccabe==0.6.1
 numpy==2.2.6
 platformdirs==2.3.0
-protobuf==6.33.4
+protobuf==4.21.12
 pybars3==0.9.7
-pybind11==3.0.1
-pybind11-stubgen==2.5.5
+pybind11==2.13.6
+pybind11-stubgen==2.5.3
 pybit==5.11.0
 pycodestyle==2.7.0
 pycparser==2.20

spark_client.sln

@@ -1,414 +1,143 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
-VisualStudioVersion = 17.0.31903.59
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{827E0CD3-B72D-47B6-A68D-7590B98EB39B}"
+VisualStudioVersion = 17.3.32922.545
+MinimumVisualStudioVersion = 15.0.26124.0
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_api", "src\client\spark_api\spark_api.csproj", "{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "cs", "cs", "{D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Spark", "src\client\spark\Spark.csproj", "{9A4D4D07-1AB6-4B2B-B111-A4F34D6C267E}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Core", "src\cs\Bts.Spark.Core\Bts.Spark.Core.csproj", "{684863A1-3396-4D31-A731-C0725CF07F4E}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Spark.Console", "src\client\Spark.Console\Spark.Console.csproj", "{387566C6-C6F6-412C-A30C-9855BBCB4816}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Api", "src\cs\Bts.Spark.Api\Bts.Spark.Api.csproj", "{45292808-4EF3-4D4A-B3F5-B75C42EE5870}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_core", "src\client\spark_core\spark_core.csproj", "{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Extensions.Hosting", "src\cs\Bts.Extensions.Hosting\Bts.Extensions.Hosting.csproj", "{AA57F8D9-7BD6-4161-881B-AD2CEF9A30F6}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_sdk", "src\client\spark_sdk\spark_sdk.csproj", "{6963C314-83C4-4667-B0D0-C2F7AE208C29}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.IO.Compression", "src\cs\Bts.IO.Compression\Bts.IO.Compression.csproj", "{28A26DF7-5F7A-43A2-A548-B55FEBCC3958}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_test", "src\client\spark_test\spark_test.csproj", "{ECD78CC5-138F-4809-A764-2358C2AC2E82}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Net", "src\cs\Bts.Net\Bts.Net.csproj", "{7543386A-5EBA-4AF0-9E0F-35657B58557D}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_websocket", "src\client\spark_websocket\spark_websocket.csproj", "{3201359D-C071-4089-9EDE-B04D759F1508}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "DataStreamSuite", "DataStreamSuite", "{60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_api_server", "src\client\spark_api_server\spark_api_server.csproj", "{2B8C5D01-FF78-4BFA-B332-5E430586DAF9}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PubSub", "src\DataStreamSuite\PubSub\PubSub.csproj", "{C13A5ABD-F739-4BE8-A2FE-511E989A5B43}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStreamCore", "src\DataStreamSuite\DataStreamCore\DataStreamCore.csproj", "{4E4F491F-C688-43C4-88DA-AC92BC5FA1B8}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStreamCore", "src\DataStreamSuite\DataStreamCore\DataStreamCore.csproj", "{F7C6F079-67BA-4899-9B43-D3F8C121D264}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStream", "src\DataStreamSuite\DataStream\DataStream.csproj", "{2AC54ADC-3246-427E-9CA9-FEA2DBCB9432}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ArithmeticExpressions", "src\DataStreamSuite\ArithmeticExpressions\ArithmeticExpressions.csproj", "{E60C119D-2919-4E2F-9D39-90DB1A8FF9A7}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharedStreams", "src\DataStreamSuite\SharedStreams\SharedStreams.csproj", "{4E96E5CC-7791-40B3-A8A1-C34FBB736B3B}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BaseUtilities", "src\DataStreamSuite\BaseUtilities\BaseUtilities.csproj", "{ECBAA198-EC93-4174-8156-BDA5F5E95042}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BooleanExpressions", "src\DataStreamSuite\BooleanExpressions\BooleanExpressions.csproj", "{F54AE5C0-2ECA-4151-82E6-0D7EFE88FF40}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.ColumnExpressions", "src\DataStreamSuite\Bts.ColumnExpressions\Bts.ColumnExpressions.csproj", "{A898C6C3-F134-4AF0-AFB3-3834C58CC0D7}"
-EndProject
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+		{4E4F491F-C688-43C4-88DA-AC92BC5FA1B8}.Debug|x64.Build.0 = Debug|Any CPU
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 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
-	GlobalSection(NestedProjects) = preSolution
-		{D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
-		{684863A1-3396-4D31-A731-C0725CF07F4E} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
-		{45292808-4EF3-4D4A-B3F5-B75C42EE5870} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
-		{AA57F8D9-7BD6-4161-881B-AD2CEF9A30F6} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
-		{28A26DF7-5F7A-43A2-A548-B55FEBCC3958} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
-		{7543386A-5EBA-4AF0-9E0F-35657B58557D} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
-		{60E0D592-FFB3-0D0A-C4AA-E88919B48F9D} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
-		{C13A5ABD-F739-4BE8-A2FE-511E989A5B43} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
-		{F7C6F079-67BA-4899-9B43-D3F8C121D264} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
-		{E60C119D-2919-4E2F-9D39-90DB1A8FF9A7} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
-		{ECBAA198-EC93-4174-8156-BDA5F5E95042} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
-		{F54AE5C0-2ECA-4151-82E6-0D7EFE88FF40} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
-		{A898C6C3-F134-4AF0-AFB3-3834C58CC0D7} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
-		{1E296FB3-D185-4A95-A1EB-AA5B37B85C60} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
-		{B6070F41-8759-448B-B56D-A7D15D489569} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
-		{B2D721AB-920C-4CD6-8DBF-6778A115A449} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
-		{38EE36C6-892C-4C94-8BB0-1ACB164E1F20} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
-		{C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
-		{42C014A0-00C5-0620-8552-38912E891A7F} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
-		{D432F3E9-3D2F-4623-B7B9-CEBA6701FFC3} = {42C014A0-00C5-0620-8552-38912E891A7F}
-		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
-		{2B8243FF-60C6-4607-8AAE-7762D29B0A48} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
-		{00D21F82-61F4-467F-B125-268018A185E5} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
-		{513A3F0D-46B5-4AC2-B700-8671933F6347} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
-		{D419D996-9870-4FF5-82AD-08370D1C945F} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
-		{697BC3A3-1A98-43D3-A6E8-BB39A05EA049} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {422D1620-0166-4C26-9A81-CA8A2EB1AB58}
+	EndGlobalSection
+	GlobalSection(Performance) = preSolution
+		HasPerformanceSessions = true
 	EndGlobalSection
 EndGlobal

src/DataStreamSuite/ArithmeticExpressions/ArithmeticExpressions.csproj

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

src/DataStreamSuite/BaseUtilities/BaseUtilities.csproj

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

src/DataStreamSuite/BooleanExpressions/Arguments/ArgumentComparer.cs

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

src/DataStreamSuite/BooleanExpressions/BooleanExpressions.csproj

@@ -11,20 +11,10 @@
     <PackageReference Include="YaccLexTools" Version="1.2.3" />
   </ItemGroup>
 
-  <Choose>
-    <When Condition="'$(UseProjectRefs)' == 'true'">
-      <ItemGroup>
-        <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
-        <ProjectReference Include="..\..\cs\Bts.Spark.Core\Bts.Spark.Core.csproj" />
-      </ItemGroup>
-    </When>
-    <Otherwise>
-      <ItemGroup>
-        <PackageReference Include="ExpressionCore" Version="$(SparkVersion)" />
-        <PackageReference Include="Bts.Spark.Core" Version="$(SparkVersion)" />
-      </ItemGroup>
-    </Otherwise>
-  </Choose>
+  <ItemGroup>
+    <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
+    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
+  </ItemGroup>
   
   <ItemGroup>
     <Scanner Include="BooleanExpressionTokens.lex" />

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

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

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

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

src/DataStreamSuite/Bts.DataStreamWebApp.Client/.env.development

@@ -0,0 +1 @@
+VITE_DATASTREAM_WEBSOCKET_URL=wss://localhost:8443/ws

src/DataStreamSuite/Bts.DataStreamWebApp.Client/.env.production

@@ -0,0 +1 @@
+VITE_DATASTREAM_WEBSOCKET_URL=wss://localhost:8443/ws

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

@@ -0,0 +1,20 @@
+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

@@ -0,0 +1,24 @@
+# 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

@@ -0,0 +1,11 @@
+<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

@@ -0,0 +1,8 @@
+# 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

@@ -0,0 +1,13 @@
+<!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

@@ -0,0 +1,10 @@
+<?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

@@ -0,0 +1,43 @@
+{
+  "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",
+    "classnames": "^2.5.1",
+    "react": "^18.3.1",
+    "react-data-grid": "^7.0.0-beta.44",
+    "react-data-table-component": "^7.6.2",
+    "react-dom": "^18.3.1",
+    "react-json-view-lite": "^1.4.0",
+    "react-pro-sidebar": "^1.1.0",
+    "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",
+    "react-mui-sidebar": "^1.3.5",
+    "vite": "^5.2.13"
+  }
+}

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

@@ -0,0 +1 @@
+<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/AnimatedSideBar.jsx

@@ -0,0 +1,40 @@
+import { Sidebar, Menu, MenuItem, Submenu, Logo } from "react-mui-sidebar";
+import './App.css';
+
+const AnimatedSideBar = () => {
+  return (
+    <Sidebar className={"sidebar-container"} width={"270px"}>
+      <Logo img="https://adminmart.com/wp-content/uploads/2024/03/logo-admin-mart-news.png">
+        AdminMart
+      </Logo>
+      <Menu subHeading="HOME">
+        <MenuItem link="/" badge="true">
+          Modern
+        </MenuItem>
+        <MenuItem>eCommerce</MenuItem>
+        <MenuItem>Analytical</MenuItem>
+      </Menu>
+      <Menu subHeading="APPS">
+        <MenuItem>Chat</MenuItem>
+        <MenuItem>Calendar</MenuItem>
+      </Menu>
+      <Menu subHeading="OTHERS">
+        <Submenu title="Menu Level">
+          <MenuItem>Post</MenuItem>
+          <MenuItem>Details</MenuItem>
+          <Submenu title="Level 2">
+            <MenuItem>new</MenuItem>
+            <MenuItem>Hello</MenuItem>
+          </Submenu>
+        </Submenu>
+
+        <MenuItem>Chip</MenuItem>
+        <MenuItem target="_blank" link="google.com">
+          External Link
+        </MenuItem>
+      </Menu>
+    </Sidebar>
+  );
+};
+
+export default AnimatedSideBar;

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

@@ -0,0 +1,101 @@
+@use "@material/checkbox";
+@use "@material/icon-button";
+@use "@material/data-table/data-table";
+
+.root-div {
+  display: flex;
+  flex-direction: row;
+  align-items: flex-start;
+}
+
+.main-content-div {
+  display: flex;
+  flex-direction: row;
+}
+
+.title-div {
+  width: 100%;
+}
+
+.container {
+  display: flex;
+}
+
+.container-column {
+  display: flex;
+  flex-direction: column;
+}
+
+.container-row {
+  display: flex;
+  flex-direction: row;
+  align-items: stretch;
+}
+
+box.query-input-form {
+   /* p: 2, display: "flex", flexFlow: "column", alignItems: "stretch"  */
+  display: flex;
+  flex-flow: column;
+  align-items: stretch;
+}
+
+/* li.ps-menuitem-root:hover {
+  background-color: #ff9922;  
+} */
+
+.container-row-centered {
+  display: flex;
+  flex-direction: row;
+  justify-content: center;
+  align-items: center;
+}
+
+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;
+}
+
+/* Sidebar.css */
+/* .sidebar-container {
+  display: flex;
+  flex-direction: column;
+}
+
+.sidebar {
+  position: relative;
+  top: 0;
+  left: 0;
+  height: 100vh;
+  background-color: #333;
+  color: white;
+  overflow: hidden;
+  transition: transform 0.3s ease;
+}
+
+.sidebar.closed {
+  width: 0;
+}
+
+.sidebar.open {
+  width: 250px;
+} */

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

@@ -0,0 +1,173 @@
+import { ThemeProvider, CssBaseline, GlobalStyles } from '@mui/material';
+import QueryStatusView from './QueryStatusView';
+import useMediaQuery from '@mui/material/useMediaQuery';
+import QueryControl from './QueryControl';
+import DataTable from './DataTable';
+import { useState, useEffect, useMemo } from 'react';
+import useWebSocket, { ReadyState } from 'react-use-websocket';
+import Sidebar from './SideBar';
+import getTheme from './Theme';
+
+import '@fontsource/noto-sans';
+import './App.css';
+import './SideBar.css';
+
+const webSocketUrl = import.meta.env.VITE_DATASTREAM_WEBSOCKET_URL;
+// Always use the same subscription id (1), because we only show 1 table at a time.
+// The server will automatically dispose the previous subscription and start a new one
+// if we're currently subscribed to another query.
+const subscriptionId = "1";
+
+var rpcReqIdCounter = 1;
+
+function subscribeReq(query) {
+  return {
+    jsonrpc: "2.0",
+    id: rpcReqIdCounter++,
+    method: "subscribe",
+    params: {
+      subscription_id: subscriptionId,
+      query: query
+    }
+  };
+}
+
+function unsubscribeReq() {
+  return {
+    jsonrpc: "2.0",
+    id: rpcReqIdCounter++,
+    method: "unsubscribe",
+    params: {
+      subscription_id: subscriptionId,
+    }
+  };
+}
+
+const App = () => {
+  const prefersDarkMode = useMediaQuery('(prefers-color-scheme: dark)');
+  const theme = getTheme({ mode: prefersDarkMode ? 'dark' : 'light' });
+  const globalStyles = {
+    ':root': {
+      '--primary-color': theme.palette.primary.main,
+      '--primary-dark-color': theme.palette.primary.dark,
+      '--secondary-color': theme.palette.secondary.main,
+      '--secondary-dark-color': theme.palette.secondary.dark,
+      '--background-color': theme.palette.background.default,
+    },
+  };
+  const [blueTable, setBlueTable] = useState({ columns: null, rows: null });
+  const [queryError, setQueryError] = useState(null);
+  const [queryState, setQueryState] = useState("Unsubscribed");
+  const queryStateDetails = useMemo(() => {
+    if (queryState == "Unsubscribed") {
+      return "Enter query above, then click the play button to subscribe";
+    }
+    if (queryState == "Subscribed") {
+      return null;
+    }
+  }, [queryState]);
+  const [sidebarIsOpen, setSidebarIsOpen] = useState(false);
+  const [cannedQuery, setCannedQuery] = useState(null);
+
+  const onCannedQueryClicked = (cannedQuery) => {
+    console.info(`Executing canned query: ${JSON.stringify(cannedQuery)}`);
+    const queryText = cannedQuery.query.join("\n");
+    setCannedQuery({ queryText: queryText, clickTime: Date.now() });
+    subscribe(queryText);
+  };
+
+  const { sendJsonMessage, getWebSocket, readyState } = useWebSocket(
+    webSocketUrl,
+    {
+      onOpen: (e) => console.info(`WebSocket open. ${JSON.stringify(e)}`),
+      onClose: (e) => console.info(`WebSocket closed. ${JSON.stringify(e)}`),
+      onError: (e) => console.error(`WebSocket error: ${JSON.stringify(e)}`),
+      shouldReconnect: () => true,
+    });
+
+  useEffect(() => {
+    console.info(`WebSocket readyState: ${readyState}`)
+    if (readyState != ReadyState.OPEN) {
+      return;
+    }
+    const ws = getWebSocket();
+    ws.onmessage = e => {
+      console.info(`Received message: ${e.data}`);
+      const msg = JSON.parse(e.data);
+      setQueryError(msg.error);
+      if (msg.error != null) {
+        setQueryState("Error");
+      } else if (msg.id != null) {
+        setQueryState(msg.result.status);
+      } else {
+        console.assert(msg.params.subscription_id == subscriptionId);
+        console.info(`Received rows: ${msg.params.table.all}`);
+        setBlueTable({ columns: msg.params.table.columns, rows: msg.params.table.all });
+      }
+    };
+  }, [getWebSocket, readyState]);
+
+  const subscribe = (query) => {
+    const req = subscribeReq(query);
+    console.info(`Subscribing: ${JSON.stringify(subscribeReq(query))}`);
+    sendJsonMessage(req);
+  };
+
+  const unsubscribe = () => {
+    const req = unsubscribeReq();
+    console.info(`Unsubscribing: ${JSON.stringify(req)}`);
+    sendJsonMessage(req);
+  };
+
+  const onOpened = () => {
+    setSidebarIsOpen(true);
+  };
+
+  const onClosed = () => {
+    setSidebarIsOpen(false);
+  };
+
+  const sidebarWidth = sidebarIsOpen ? '250px' : '65px';
+  return (
+    <ThemeProvider theme={theme}>
+      <CssBaseline />
+      <GlobalStyles styles={globalStyles} />
+      <div className='root-div'>
+        <div style={{
+          display: 'flex',
+          flexDirection: 'column',
+          alignItems: 'flex-start',
+          flexWrap: 'nowrap',
+          width: sidebarWidth,
+          transition: 'width 0.3s ease',
+        }}>
+          <Sidebar onSelection={onCannedQueryClicked} onOpened={onOpened} onClosed={onClosed} />
+        </div>
+        <div style={{
+          display: 'flex',
+          flexDirection: 'column',
+          left: sidebarWidth,
+          width: '100%',
+          transition: 'width 0.3s ease',
+        }}>
+          <div style={{ width: '100%', display: 'flex', flexDirection: 'column', alignItems: 'flex-start', margin: theme.spacing(2, 0, 0, 0) }}>
+            <div style={{ width: '90%', rightMargin: '100px' }}>
+              <QueryControl
+                queryState={queryState}
+                queryText={cannedQuery?.queryText}
+                queryTextResetTime={cannedQuery?.clickTime}
+                subscribe={subscribe}
+                unsubscribe={unsubscribe} />
+            </div>
+            <div style={{ width: '90%', rightMargin: '100px' }}>
+              <QueryStatusView queryState={queryState} details={queryStateDetails} error={queryError} />
+              <DataTable columns={blueTable?.columns ?? []} rows={blueTable?.rows ?? []} />
+            </div>
+          </div>
+        </div>
+      </div>
+    </ThemeProvider>
+  );
+};
+
+export default App;

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

@@ -0,0 +1,53 @@
+@use "@material/checkbox";
+@use "@material/icon-button";
+@use "@material/data-table/data-table";
+
+.data-grid-container {
+  overflow: auto;
+  white-space: nowrap;
+}
+
+
+.data-grid {
+  max-height: 1000px;
+}
+
+div[role=columnheader] {
+  border-top: 0px;
+  border-bottom: 0px;
+  background-color: var(--primary-dark-color);
+}
+
+/* div[role=columnheader] {
+  border-top: 0px;
+  border-bottom: 0px;
+  background-color: var(--primary-dark-color);
+}
+
+.rdg-row {
+  border: 0px;
+  border-top: 0px;
+  border-bottom: 0px;
+  background-color: rgba(var(--primary-dark-color), 0.8);
+  color: var(--primary-color);
+}
+
+.rdg-row-odd {
+  border: 0px;
+  border-top: 0px;
+  border-bottom: 0px;
+  background-color: var(--primary-dark-color);
+  color: var(--primary-color);
+}
+
+.rdg-cell {
+  border-bottom: 0px;
+}
+
+.rdg-cell.even {
+  border-bottom: 5px;
+}
+
+.rdg-cell.odd {
+  border-bottom: 5px;
+} */

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

@@ -0,0 +1,32 @@
+@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

@@ -0,0 +1,74 @@
+import PropTypes from 'prop-types';
+import { useTheme } from '@mui/material/styles';
+import { DataGrid } from '@mui/x-data-grid';
+import './DataGrid.css'
+import { useMemo, useState } from 'react';
+
+export default function DataTable({ columns, rows }) {
+  const theme = useTheme();
+  const [columnWidths, setColumnWidths] = useState({});
+
+  const handleColumnResize = (params) => {
+    const newWidth = params.width;
+    setColumnWidths((prevWidths) => ({
+      ...prevWidths,
+      [params.colDef.field]: params.width,
+    }));
+  };
+
+  const getGridColDef = useMemo(() => {
+    return col => {
+      return {
+        field: col.name,
+        headerName: col.name,
+        width: columnWidths[col.name],
+      };
+    }
+  }, [columnWidths]);
+
+  return (
+    <DataGrid
+      className='data-grid-container'
+      autosizeOnMount={false}
+      columns={columns?.map(getGridColDef) ?? []}
+      onColumnResize={handleColumnResize}
+      rows={rows ?? []}
+      sx={{
+        margin: theme.spacing(2, 0, 0, 0),
+        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,
+  apiRef: PropTypes.object,
+};

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

@@ -0,0 +1,119 @@
+import PropTypes from 'prop-types';
+import DataTable from './DataTable';
+import { useRef, useState, useEffect } from 'react';
+import { useGridApiRef } from '@mui/x-data-grid';
+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 StopIcon from '@mui/icons-material/Stop';
+import TextField from '@mui/material/TextField';
+import Tooltip from '@mui/material/Tooltip';
+
+const QueryControl = (props) => {
+  const { queryState, queryText, queryTextResetTime, subscribe, unsubscribe } = props;
+  // const theme = useTheme();
+  let textInput = useRef();
+  const [queryTextChangeTime, setQueryTextChangeTime] = useState(null);
+  useEffect(() => {
+    if (queryText == null || textInput.current == null) {
+      return;
+    }
+    // Init text field (unless a non-empty string is already present, or the user has modified
+    // the query - we don't want to overwrite their changes).
+    if (queryTextChangeTime == null || queryTextResetTime > queryTextChangeTime) {
+      console.info(`Initializing query text: ${queryText}`)
+      textInput.current.value = queryText;
+    }
+  }, [queryText, queryTextChangeTime, queryTextResetTime]);
+  const onClearClick = () => {
+    textInput.current.value = '';
+  };
+
+  const onRunClick = () => {
+    subscribe(textInput.current.value);
+  };
+
+  const onStopClick = () => {
+    unsubscribe();
+  };
+
+  const onKeyDown = (e) => {
+    // Detect keyboard shortcuts.
+    //   Ctrl+Enter : Run
+    if (e.ctrlKey && e.key === 'Enter') {
+      onRunClick();
+    }
+  };
+
+  const onChange = (e) => {
+    // So we know not to overwrite the changes with the canned query on re-render
+    setQueryTextChangeTime(Date.now());
+  };
+
+  return (
+    <Box sx={{ display: "flex", flexFlow: "column" }}>
+      <Paper elevation={3} sx={{ color: 'primary.main' }}>
+        <Box sx={{ p: 2 }}>
+          <TextField
+            fullWidth
+            multiline
+            rows={10}
+            variant="outlined"
+            onChange={onChange}
+            onKeyDown={onKeyDown}
+            inputRef={textInput}
+            placeholder="Enter Query..."
+          />
+        </Box>
+        <Box sx={{ p: 2, borderTop: 1 }}>
+          <Grid container spacing={2} justifyContent="flex-start">
+            <Grid item xs>
+              <Tooltip title="Clear Query Text">
+                <Button onClick={onClearClick} sx={{ padding: '11px', color: 'text.dark' }}>
+                  Clear
+                </Button>
+              </Tooltip>
+            </Grid>
+            <Grid item>
+              <Tooltip title="Run (Ctrl+Enter)">
+                <Button onClick={onRunClick} sx={{
+                  color: `queryStartButton.${queryState}.color`,
+                  bgcolor: `queryStartButton.${queryState}.backgroundColor`,
+                  padding: '11px'
+                }}>
+                  <PlayArrowIcon />
+                </Button>
+              </Tooltip>
+            </Grid>
+            <Grid item>
+              <Tooltip title="Stop">
+                <Button onClick={onStopClick} sx={{
+                  color: `queryStopButton.${queryState}.color`,
+                  bgcolor: `queryStopButton.${queryState}.backgroundColor`,
+                  padding: '11px'
+                }}>
+                  <StopIcon />
+                </Button>
+              </Tooltip>
+            </Grid>
+          </Grid>
+        </Box>
+      </Paper>
+    </Box>
+  );
+};
+
+QueryControl.propTypes = {
+  columns: PropTypes.array,
+  rows: PropTypes.array,
+  isRunning: PropTypes.bool,
+  queryText: PropTypes.string,
+  queryTextResetTime: PropTypes.number,
+  queryState: PropTypes.string,
+  subscribe: PropTypes.func,
+  unsubscribe: PropTypes.func,
+};
+
+export default QueryControl;

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

@@ -0,0 +1,73 @@
+import { useState } from 'react';
+import PropTypes from 'prop-types';
+import { Box, Typography, Collapse } from '@mui/material';
+import Alert from '@mui/material/Alert';
+import AlertTitle from '@mui/material/AlertTitle';
+import { useTheme } from '@mui/material/styles';
+import { alpha } from '@mui/system';
+
+const QueryStatusView = ({ queryState, details, error }) => {
+  const theme = useTheme();
+  const [open, setOpen] = useState(false);
+
+  let header = queryState;
+  let headerContent = null;
+  let detailElements = [];
+  let severity = queryState == "Subscribed" ? "success" : "info";
+  let cursor = details == null ? "default" : "pointer";
+  if (error != null) {
+    severity = "error";
+    cursor = "pointer";
+    header = `Error Code: ${error.code}`;
+    headerContent = error.message;
+    detailElements.push(<Typography variant="body1">{error.data.error_message}</Typography>);
+    detailElements.push(<Typography variant="subtitle1">Stack Trace:</Typography>);
+    (error.data.stack_trace ?? []).forEach(line => detailElements.push(
+      <Typography variant="body2" component="pre" sx={{ whiteSpace: 'pre-wrap' }}>
+        {line}
+      </Typography>));
+  } else if (details != null) {
+    detailElements.push(<Typography variant="body1">{details}</Typography>);
+  }
+  return (
+    <Box sx={{ margin: theme.spacing(2, 0, 0, 0) }}>
+      <Alert
+        severity={severity}
+        onClick={() => setOpen(!open)}
+        sx={{
+          margin: theme.spacing(2, 0, 0, 0),
+          cursor: cursor,
+        }}>
+        <AlertTitle>{header}</AlertTitle>
+        {headerContent}
+      </Alert>
+      {detailElements.length == 0
+        ? null
+        : <Collapse in={open}>
+          <Box
+            sx={{
+              backgroundColor: alpha(theme.palette[severity].light, 0.75),
+              color: theme.palette[severity].contrastText,
+              padding: theme.spacing(2),
+              marginTop: theme.spacing(0),
+              borderRadius: theme.shape.borderRadius,
+            }}
+          >
+            {detailElements}
+          </Box>
+        </Collapse>}
+    </Box>
+  );
+};
+
+QueryStatusView.propTypes = {
+  queryState: PropTypes.string,
+  details: PropTypes.string,
+  error: PropTypes.shape({
+    code: PropTypes.number,
+    message: PropTypes.string,
+    data: PropTypes.object,
+  })
+};
+
+export default QueryStatusView;

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

@@ -0,0 +1,27 @@
+import 'react-data-grid/lib/styles.css';
+import PropTypes from 'prop-types';
+import DataGrid from 'react-data-grid';
+import './DataGrid.css';
+
+function getGridColDef(col) {
+  return {
+    key: col.name,
+    name: col.name,
+  };
+}
+
+export default function ReactDataGrid({columns, rows}) {
+  return (
+    <DataGrid className={"data-grid"} rows={rows} columns={columns.map(getGridColDef)} />
+  )
+}
+
+ReactDataGrid.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/SideBar.css

@@ -0,0 +1,98 @@
+/* Sidebar.css */
+.app-container {
+  display: flex;
+  width: 100%;
+  overflow: hidden;
+  flex-direction: row;
+  justify-content: flex-start;
+  align-items: flex-start;
+}
+
+.sidebar {
+  display: flex;
+  flex-direction: row;
+  justify-content: flex-start;
+  align-items: flex-start;
+  background-color: transparent;
+  color: white;
+  overflow: hidden;
+  transition: width 0.3s ease;
+}
+
+.sidebar.open {
+  width: 100%;
+}
+
+.sidebar.closed {
+  width: 0%;
+}
+
+.sidebar-toggle-button {
+  border: 0px;
+  border-radius: 50%;
+  box-shadow: rgba(9, 30, 66, 0.08) 0px 0px 0px 1px, rgba(9, 30, 66, 0.08) 0px 2px 4px 1px;
+  color: var(--primary-color);
+  cursor: pointer;
+  height: 24px;
+  opacity: 1;
+  outline: 0px;
+  padding: 0px;
+  background-color: transparent;
+  transition: background-color 100ms linear 0s, color 100ms linear 0s, opacity 300ms cubic-bezier(0.2, 0, 0, 1) 0s, transform 300ms cubic-bezier(0.2, 0, 0, 1) 0s;
+  width: 20%;
+}
+
+.sidebar-toggle-button:hover {
+  transition: background-color 100ms linear 0s, color 100ms linear 0s, opacity 300ms cubic-bezier(0.2, 0, 0, 1) 0s, transform 300ms cubic-bezier(0.2, 0, 0, 1) 0s;
+}
+
+.main-content.open {
+  width: 165px;
+  transition: width 0.3s ease;
+  background-color: transparent;
+}
+
+.main-content.closed {
+  width: 0%;
+  /* min-width: 25px; */
+  transition: width 0.3s ease;
+  background-color: transparent;
+}
+
+.sidebar-menu-item {
+  width: 100%;
+  box-sizing: border-box;
+}
+
+.sidebar-menu-item.open {
+  width: 100%;
+  /* justify-content: flex-start; */
+  transition: width 0.3s ease;
+}
+
+.sidebar-menu-item.closed {
+  width: 0%;
+  min-width: 0px;
+  /* justify-content: flex-start; */
+  transition: width 0.3s ease;
+}
+
+.sidebar-menu-item-content.open {
+  width: 100%;
+  /* justify-content: flex-start; */
+  transition: width 0.3s ease;
+}
+
+.sidebar-menu-item-content.closed {
+  width: 0px;
+  /* justify-content: flex-start; */
+  transition: width 0.3s ease;
+}
+
+/* Ensure span can shrink */
+.button-text {
+  display: block;    /* Make span a block element */
+  width: 100%;       /* Ensure it takes the full width of its parent */
+  overflow: hidden;  /* Hide any overflow content */
+  white-space: nowrap; /* Prevent text wrapping */
+}

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

@@ -0,0 +1,109 @@
+import { useState, useEffect } from 'react';
+import Button from '@mui/material/Button';
+import { useTheme } from '@mui/material/styles';
+import PropTypes from 'prop-types';
+import Tooltip from '@mui/material/Tooltip';
+import ChevronLeftRounded from "@mui/icons-material/ChevronLeftRounded"
+import ChevronRightRounded from '@mui/icons-material/ChevronRightRounded';
+import FileCopyIcon from '@mui/icons-material/FileCopy';
+import './SideBar.css';
+
+const Sidebar = ({ onSelection, onOpened, onClosed }) => {
+  const theme = useTheme();
+  const [isOpen, setIsOpen] = useState(false);
+  const [cannedQueries, setCannedQueries] = useState([]);
+  const Icon = isOpen ? ChevronLeftRounded : ChevronRightRounded;
+
+  const toggleIsOpen = () => {
+    if (isOpen) {
+      setIsOpen(false);
+      if (onClosed != null) {
+        onClosed();
+      }
+    } else {
+      setIsOpen(true);
+      if (onOpened != null) {
+        onOpened();
+      }
+    }
+  };
+
+  const onMenuItemClick = (event, cannedQuery) => {
+    console.info(`menu item clicked: ${cannedQuery.name}`);
+    onSelection(cannedQuery);
+  };
+
+  // const onMenuItemClick = async (event, cannedQuery) => {
+  //   try {
+  //     await navigator.clipboard.writeText(cannedQuery.query.join("\n"));
+  //     alert(`Copied ${cannedQuery.name} to clipboard`);
+  //   } catch (err) {
+  //     console.error('Failed to copy query text: ', err);
+  //   }
+  // };
+
+  useEffect(() => {
+    const fetchCannedQueries = async () => {
+      try {
+        const response = await fetch('api/cannedqueries');
+        const data = await response.json();
+        setCannedQueries(data);
+      } catch (error) {
+        console.error('Error fetching WebSocket config:', error);
+      }
+    }
+    fetchCannedQueries();
+  }, []);
+
+  const mainContentClass = `main-content ${isOpen ? 'open' : 'closed'}`;
+  const menuItemClass = `sidebar-menu-item ${isOpen ? 'open' : 'closed'}`;
+  const menuItemContentClass = `sidebar-menu-item-content ${isOpen ? 'open' : 'closed'}`;
+  const toggleButtonTitle = `${isOpen ? 'Hide' : 'Show'} Common Queries`;
+
+  return (
+    <div
+      className={"sidebar"}
+      style={{
+        display: 'flex',
+        flexDirection: 'row',
+        justifyContent: 'flexStart',
+        alignItems: 'flexStart',
+        margin: theme.spacing(2, 0, 0, 0)
+      }}
+    >
+      <div className={mainContentClass}>
+        {cannedQueries.map(cq =>
+          <Button key={cq.name} className={menuItemClass} onClick={(event) => onMenuItemClick(event, cq)}>
+            <div className={menuItemContentClass}>
+              <span className='button-text'>{cq.name}</span>
+            </div>
+          </Button>)
+        }
+        {/* {cannedQueries.map(cq =>
+          <Button
+            variant="contained"
+            color="primary"
+            startIcon={<FileCopyIcon />}
+            onClick={onMenuItemClick}
+          >
+            <div className={menuItemContentClass}>
+              <span className='button-text'>{cq.name}</span>
+            </div>
+          </Button>)} */}
+      </div>
+      <Tooltip title={toggleButtonTitle}>
+        <Button onClick={toggleIsOpen}>
+          <Icon className="w-5 h-5" />
+        </Button>
+      </Tooltip>
+    </div>
+  );
+};
+
+export default Sidebar;
+
+Sidebar.propTypes = {
+  onSelection: PropTypes.func,
+  onOpened: PropTypes.func,
+  onClosed: PropTypes.func,
+};

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

@@ -0,0 +1,112 @@
+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',
+    },
+    action: {
+      hoverOpacity: 0.08
+    },
+    text: {
+      primary: '#eaf8f8',
+      dark: '#eaf8f8a0'
+    },
+    queryStartButton: {
+      Subscribed: {
+        color: '#33baf9',
+        backgroundColor: '#ffffff40',
+      },
+      Unsubscribed: {
+        color: '#ffffff40',
+        backgroundColor: '#ffffff00',
+      }
+    },
+    queryStopButton: {
+      Subscribed: {
+        color: '#ff4444a0',
+        backgroundColor: '#ffffff40',
+      },
+      Unsubscribed: {
+        color: '#ff444450',
+        backgroundColor: '#ffffff00',
+      }
+    },
+    error: {
+      light: '#e57373',
+      main: '#f44336',
+      dark: '#d32f2f',
+      contrastText: '#fff',
+    },
+    warning: {
+      light: '#ffb74d',
+      main: '#ff9800',
+      dark: '#f57c00',
+      contrastText: '#000',
+    },
+    info: {
+      light: '#64b5f6',
+      main: '#2196f3',
+      dark: '#303030',
+      contrastText: '#fff',
+    },
+    success: {
+      light: '#81c784',
+      main: '#4caf50',
+      dark: '#388e3c',
+      contrastText: '#000',
+    },
+  };
+};
+
+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

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

@@ -0,0 +1,51 @@
+.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

@@ -0,0 +1,51 @@
+.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

@@ -0,0 +1,51 @@
+.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

@@ -0,0 +1,51 @@
+.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

@@ -0,0 +1,51 @@
+.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

@@ -0,0 +1,51 @@
+.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

@@ -0,0 +1,107 @@
+:root {
+  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
+  line-height: 1.5;
+  font-weight: 400;
+
+  color-scheme: light dark;
+  color: rgba(255, 255, 255, 0.87);
+  background-color: #242424;
+
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+a {
+  font-weight: 500;
+  color: #646cff;
+  text-decoration: inherit;
+}
+a:hover {
+  color: #535bf2;
+}
+
+body {
+  margin: 0;
+  display: flex;
+  place-items: center;
+  min-width: 320px;
+  min-height: 100vh;
+}
+
+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

@@ -0,0 +1,7 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import App from './App';
+
+ReactDOM.createRoot(document.getElementById('root')).render(
+  <App />
+)

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

@@ -0,0 +1,69 @@
+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:8443';
+
+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

@@ -0,0 +1,40 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</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="7.0.20" />
+    <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="7.0.20" />
+    <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" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ConfigurationProfile Include="appsettings.Development.json" />
+    <ConfigurationProfile Include="appsettings.Production.json" />
+    <ConfigurationProfile Include="appsettings.ProductionAws.json" />
+    <ConfigurationProfile Include="appsettings.Staging.json" />
+    <ConfigurationProfile Include="appsettings.json" />
+  </ItemGroup>
+
+</Project>

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

@@ -0,0 +1,5 @@
+namespace Bts.DataStreamWebApp.Server;
+
+public class CannedQueriesConfig {
+   public List<CannedQuery>? Items { get; set; }
+}

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

@@ -0,0 +1,6 @@
+namespace Bts.DataStreamWebApp.Server;
+
+public class CannedQuery {
+   public string? Name { get; set; }
+   public List<string>? Query { get; set; }
+}

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

@@ -0,0 +1,18 @@
+namespace Bts.DataStreamWebApp.Server;
+
+using Microsoft.AspNetCore.Mvc;
+
+[ApiController]
+[Route("api/[controller]")]
+public class CannedQueriesController : ControllerBase {
+   readonly IConfiguration config;
+
+   public CannedQueriesController(IConfiguration config) =>
+      this.config = config;
+
+   [HttpGet(Name = "GetCannedQueries")]
+   public IEnumerable<CannedQuery>? Get() {
+      var cannedQueries = config.GetSection("CannedQueries").Get<List<CannedQuery>>()?.ToArray() ?? Array.Empty<CannedQuery>();
+      return cannedQueries;
+   }
+}

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

@@ -0,0 +1,22 @@
+// using Bts.DataStreamWebApp.Server;
+
+// using Microsoft.AspNetCore.Mvc;
+
+// [ApiController]
+// [Route("api/[controller]")]
+// public class ConfigController : ControllerBase {
+//    private readonly IConfiguration _configuration;
+
+//    public ConfigController(IConfiguration configuration) {
+//       _configuration = configuration;
+//    }
+
+//    [HttpGet("websocket")]
+//    public ActionResult<DataStreamWebSocketConfig> GetWebSocketConfig() {
+//       var endpoint = $"{_configuration["Kestrel:Endpoints:Http:Url"]}/ws";
+//       var webSocketConfig = new DataStreamWebSocketConfig {
+//          Endpoint = endpoint // or Https based on your setup
+//       };
+//       return Ok(webSocketConfig);
+//    }
+// }

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

@@ -0,0 +1,30 @@
+namespace Bts.DataStreamWebApp.Server.Controllers;
+
+using Microsoft.AspNetCore.Mvc;
+
+[Route("/ws")]
+public class DataStreamSubscriptionController : ControllerBase {
+   readonly ILogger logger;
+
+   public DataStreamSubscriptionController(ILogger<DataStreamSubscriptionController> logger) {
+      this.logger = logger;
+      logger.LogInformation("Creating {ControllerType}", GetType().Name);
+   }
+
+   [Route("/ws")]
+   public async Task Get(CancellationToken cancellationToken) {
+      if (!HttpContext.WebSockets.IsWebSocketRequest) {
+         logger.LogError("Expected websocket request on path '{}'", HttpContext.Request.Path);
+         return;
+      }
+      logger.LogInformation("Establishing websocket connection...");
+      try {
+         using var webSocket = await HttpContext.WebSockets.AcceptWebSocketAsync();
+         logger.LogInformation("Websocket connection established.");
+         using var server = new DataStreamWebSocketServer(webSocket, logger);
+         await server.Run(cancellationToken);
+      } catch (Exception ex) {
+         logger.LogError("DataStreamSubscriptionController.Run threw exception: {Exception}", ex);
+      }
+   }
+}

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

@@ -0,0 +1,133 @@
+namespace Bts.DataStreamWebApp.Server.Controllers;
+
+using BCG;
+
+using bts.websocket_core.json_rpc;
+
+using Bts.DataStreamCore;
+using Bts.DataStreamWebApp.Server.Messages;
+
+using System;
+using System.Net.WebSockets;
+using System.Text;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+class DataStreamSubscription : IDisposable, IHostedService {
+   public readonly ViewStream ViewStream;
+   public DataPacket? LastFired;
+
+   readonly ILogger logger;
+   readonly WebSocket webSocket;
+
+   public DataStreamSubscription(string id, JsonRpcId requestId, ViewStream viewStream, WebSocket webSocket, ILogger logger) {
+      ViewStream = viewStream;
+      RequestId = requestId;
+      Id = id;
+      this.webSocket = webSocket;
+      this.logger = logger;
+   }
+
+   public string Id { get; }
+   public JsonRpcId RequestId { get; }
+   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 StartAsync(CancellationToken cancellationToken) {
+      cancellationToken.ThrowIfCancellationRequested();
+      Start();
+      return Task.CompletedTask;
+   }
+
+   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 Task StopAsync(CancellationToken cancellationToken) {
+      cancellationToken.ThrowIfCancellationRequested();
+      Stop();
+      return Task.CompletedTask;
+   }
+
+   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, new DataStreamSubscriptionUpdate() {
+         SubscriptionId = Id,
+         Table = 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);
+      try {
+         await webSocket.SendAsync(bytes, WebSocketMessageType.Text, true, CancellationToken.None);
+         LastFired = dp;
+      } catch (WebSocketException ex) {
+         logger.LogError($"sendDataPacket failed on webSocket.SendAsync: {ex}");
+      }
+   }
+
+   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/DataStreamSubscriptionUpdate.cs

@@ -0,0 +1,13 @@
+namespace Bts.DataStreamWebApp.Server;
+
+using BCG;
+
+using System.Text.Json.Serialization;
+
+public class DataStreamSubscriptionUpdate {
+   [JsonPropertyName("subscription_id")]
+   public string? SubscriptionId { get; set; }
+
+   [JsonPropertyName("table")]
+   public DataPacket? Table { get; set; }
+}

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

@@ -0,0 +1,89 @@
+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/DataStreamWebSocketConfig.cs

@@ -0,0 +1,5 @@
+namespace Bts.DataStreamWebApp.Server;
+
+public class DataStreamWebSocketConfig {
+   public string? Endpoint { get; set; }
+}

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

@@ -0,0 +1,148 @@
+namespace Bts.DataStreamWebApp.Server.Controllers;
+
+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 : IDisposable, IAsyncDisposable {
+   readonly ILogger logger;
+   readonly WebSocket webSocket;
+   readonly Dictionary<string, DataStreamSubscription> subscriptions = new();
+
+   public DataStreamWebSocketServer(WebSocket webSocket, ILogger logger) {
+      this.webSocket = webSocket;
+      this.logger = logger;
+   }
+
+   public async Task<int> Run(CancellationToken cancellationToken) {
+      logger.LogInformation("DataStreamWebSocketServer running");
+      await foreach (var req in JsonRpcRequestAsyncEnumerable.Create(webSocket, logger, cancellationToken)) {
+         await (req.Method switch {
+            "subscribe" => onSubscribe(req, cancellationToken),
+            "unsubscribe" => onUnsubscribe(req.Deserialize<UnsubscribeRequest>(), cancellationToken),
+            _ => Task.CompletedTask,
+         });
+      }
+      logger.LogInformation("DataStreamWebSocketServer stopped");
+      return 0;
+   }
+
+   /// <summary>
+   /// Disposes internal subscriptions. To additionally notify the client of the subscription status
+   /// change(s), use <see cref="DisposeAsync"/>.
+   /// </summary>
+   public void Dispose() {
+      GC.SuppressFinalize(this);
+      disposeSubscriptions();
+   }
+
+   /// <summary>
+   /// Disposes internal subscriptions (like <see cref="Dispose"/>), then sends 'subscription status change'
+   /// notifications to the client (unlike <see cref="Dispose"/>).
+   /// </summary>
+   public async ValueTask DisposeAsync() {
+      GC.SuppressFinalize(this);
+      var finalSubs = subscriptions.Values.Select(s => (s.RequestId, s.Id)).ToList();
+      disposeSubscriptions();
+      // Send a 'subscription status change' msg to the client for each one.
+      foreach (var (requestId, id) in finalSubs) {
+         await sendSubscriptionStatus(requestId, id, "unsubscribe", SubscriptionStatus.Unsubscribed, CancellationToken.None);
+      }
+   }
+
+   async Task onSubscribe(JsonRpcRequest<JsonNode> req, CancellationToken cancellationToken) {
+      ArgumentNullException.ThrowIfNull(req.Id);
+      ArgumentException.ThrowIfNullOrEmpty(req.Method);
+      if (!SubscribeRequest.Parse(req, out var subReq, out var parseErr, out var errCode)) {
+         logger.LogError("Invalid 'subscribe' request: {Reason}", parseErr);
+         var rpcError = JsonRpcResponse.CreateError<SubscriptionError>(
+            req.Id, new() { Code = (long)errCode, Message = "Failed to parse subscription request", Data = parseErr });
+         await send(rpcError, cancellationToken);
+         return;
+      }
+      var subId = subReq.SubscriptionId ?? throw new InvalidOperationException("SubscriptionId is null (parse false)");
+      disposeSubscription(subId);
+      if (!subReq.ParseQuery(out var vs, out parseErr, out errCode)) {
+         logger.LogError("Invalid 'subscribe' request: {Reason}", parseErr);
+         var rpcError = JsonRpcResponse.CreateError<SubscriptionError>(
+            req.Id, new() { Code = (long)errCode, Message = "Failed to parse subscription request", Data = parseErr });
+         await send(rpcError, cancellationToken);
+         return;
+      }
+      if (subscriptions.TryGetValue(subId, out var oldSub)) {
+         logger.LogInformation("Disposing existing subscription with id {SubscriptionId}", subId);
+         oldSub.Dispose();
+      }
+      var sub = new DataStreamSubscription(subId, req.Id.Value, vs, webSocket, logger);
+      subscriptions[subId] = sub;
+      await sendSubscriptionStatus(req.Id.Value, subId, req.Method, SubscriptionStatus.Subscribed, cancellationToken);
+      vs.ErrorChanged += OnStreamError;
+      await sub.StartAsync(cancellationToken);
+
+      async void OnStreamError(Exception exception) {
+         logger.LogError("Error in ViewStream (disposing subscription): {Exception}", exception);
+         subscriptions.Remove(sub.Id);
+         sub.Dispose();
+         var error = new SubscriptionError() {
+            ErrorMessage = "Error in ViewStream (disposing subscription)"
+         };
+         if (exception is not null) {
+            error.ErrorMessage += ". " + exception.Message;
+            error.StackTrace = exception.StackTrace?.Split("\n")?.ToList();
+         }
+         var rpcError = JsonRpcResponse.CreateError<SubscriptionError>(
+            req.Id, new() { Code = (long)ErrorCode.ViewStreamError, Message = "Error in ViewStream (disposing subscription)", Data = error });
+         await send(rpcError, cancellationToken);
+      }
+   }
+
+   async Task onUnsubscribe(JsonRpcRequest<UnsubscribeRequest> req, CancellationToken cancellationToken) {
+      ArgumentNullException.ThrowIfNull(req.Id);
+      ArgumentException.ThrowIfNullOrEmpty(req.Method);
+      var subId = req.Params?.SubscriptionId ?? string.Empty;
+      if (!disposeSubscription(subId)) {
+         logger.LogInformation("Unable to dispose subscription. Subscription with id {Id} not found.", subId);
+      }
+      await sendSubscriptionStatus(req.Id.Value, subId, "unsubscribe", SubscriptionStatus.Unsubscribed, cancellationToken);
+   }
+
+   bool disposeSubscription(string subId) {
+      if (!subscriptions.TryGetValue(subId, out var sub)) {
+         return false;
+      }
+      logger.LogInformation("Disposing subscription with id {Id}", subId);
+      sub.Dispose();
+      subscriptions.Remove(subId);
+      return true;
+   }
+
+   Task sendSubscriptionStatus(JsonRpcId reqId, string subId, string method, SubscriptionStatus status, CancellationToken cancellationToken) {
+      logger.LogInformation("Sending {Method} ack. SubscriptionId = {SubscriptionId}", method, subId);
+      var response = JsonRpcResponse.Create(reqId, new SubscriptionStatusMessage() {
+         SubscriptionId = subId,
+         Status = status,
+      });
+      return send(response, cancellationToken);
+   }
+
+   Task send<T>(T message, CancellationToken cancellationToken) {
+      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);
+   }
+
+   void disposeSubscriptions() {
+      logger.LogInformation("Disposing DataStreamWebSocketServer subscriptions. Count: {Count}", subscriptions.Count);
+      subscriptions.Values.DisposeAll();
+      subscriptions.Clear();
+   }
+}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/Dockerfile

@@ -0,0 +1,11 @@
+FROM bluetradingsystems/linux_dotnet7
+
+ARG SOURCE_DIR="build/Release/bin/net7.0/linux-x64/publish"
+ARG WEB_ROOT="build/Bts.DataStreamWebApp.Client/production/dist"
+ARG CONF_FILE="src/DataStreamSuite/Bts.DataStreamWebApp.Server/spark.conf"
+
+RUN dotnet dev-certs https --trust
+COPY --chown=bts:bts "${SOURCE_DIR}" "bin"
+COPY --chown=bts:bts "${WEB_ROOT}" "bin/wwwroot"
+COPY --chown=bts:bts "${CONF_FILE}" ".local/share/bts/Bts.DataStreamWebApp.Server/conf/spark.conf"
+WORKDIR "/home/bts/bin"

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

@@ -0,0 +1,5 @@
+namespace Bts.DataStreamWebApp.Server;
+
+public class CannedQueriesResponse {
+   public List<CannedQuery>? Items { get; set; }
+}

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

@@ -0,0 +1,7 @@
+namespace Bts.DataStreamWebApp.Server.Messages;
+
+enum ErrorCode {
+   None = 0,
+   InvalidSubscriptionRequest,
+   ViewStreamError,
+}

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

@@ -0,0 +1,72 @@
+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 Parse(JsonRpcRequest<JsonNode> req, [NotNullWhen(true)]out SubscribeRequest? subscription, [NotNullWhen(false)]out SubscriptionError? error, out ErrorCode errorCode) {
+      subscription = null;
+      errorCode = ErrorCode.None;
+      var paramsJsonObj = req.Params?.AsObject();
+      error = null;
+      if (paramsJsonObj is null) {
+         errorCode = ErrorCode.InvalidSubscriptionRequest;
+         error = new() { ErrorMessage = "'params' object not found" };
+         return false;
+      }
+      subscription = paramsJsonObj.Deserialize<SubscribeRequest>();
+      if (subscription is null) {
+         errorCode = ErrorCode.InvalidSubscriptionRequest;
+         error = new() { ErrorMessage = "'params' object invalid" };
+         return false;
+      }
+      return true;
+   }
+
+   internal bool ParseQuery([NotNullWhen(true)] out ViewStream? stream, [NotNullWhen(false)] out SubscriptionError? error, out ErrorCode errorCode) {
+      stream = null;
+      errorCode = ErrorCode.None;
+      error = null;
+      if (Query is null) {
+         errorCode = ErrorCode.InvalidSubscriptionRequest;
+         error = new() { ErrorMessage = "'params.query' field not found (expected a string)" };
+         return false;
+      }
+      var exp = DataStreamExpressionsInterpreter.Evaluate(Query);
+      if (exp is null) {
+         errorCode = ErrorCode.InvalidSubscriptionRequest;
+         error = new() { ErrorMessage = "'params.query' expression has invalid syntax" };
+         return false;
+      }
+      Exception? exception = null;
+      try {
+         stream = exp.getView(new Dictionary<string, StatementExpression>(0));
+      } catch (Exception ex) {
+         exception = ex;
+      }
+      if (stream is null) {
+         errorCode = ErrorCode.InvalidSubscriptionRequest;
+         error = new() { ErrorMessage = "Failed to create ViewStream from 'params.query' expression (check for typos in arguments/typenames)" };
+         if (exception is not null) {
+            error.ErrorMessage += ". " + exception.Message;
+            error.StackTrace = exception.StackTrace?.Split("\n")?.ToList();
+         }
+         return false;
+      }
+      return true;
+   }
+}

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

@@ -0,0 +1,11 @@
+namespace Bts.DataStreamWebApp.Server.Messages;
+
+using System.Text.Json.Serialization;
+
+public class SubscriptionError {
+   [JsonPropertyName("error_message")]
+   public string? ErrorMessage { get; set; }
+
+   [JsonPropertyName("stack_trace")]
+   public List<string>? StackTrace { get; set; }
+}

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

@@ -0,0 +1,18 @@
+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

@@ -0,0 +1,8 @@
+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

@@ -0,0 +1,82 @@
+using Bts.DataStreamCore.Services;
+using Bts.PubSub.Services;
+
+using Spark.Api.Services;
+using Spark.Core.Services;
+
+using System.Reactive.Linq;
+using System.Reflection;
+
+var builder = WebApplication.CreateBuilder(new WebApplicationOptions {
+   Args = args,
+   ApplicationName = "Bts.DataStreamWebApp.Server",
+});
+ConfigureApp(builder.Configuration, builder.Environment.EnvironmentName);
+ConfigureServices(builder.Services, builder.Configuration);
+
+var app = builder.Build();
+var wsOpts = new WebSocketOptions {
+   KeepAliveInterval = TimeSpan.FromMinutes(2)
+};
+if (app.Environment.IsDevelopment()) {
+   app.UseDirectoryBrowser("/browse");
+   app.UseSwagger();
+   app.UseSwaggerUI();
+}
+app.UseHttpsRedirection();
+app.UseWebSockets(wsOpts);
+app.UseDefaultFiles();
+app.UseStaticFiles();
+app.UseAuthorization();
+app.MapControllers();
+try {
+   Console.Write($"Starting Application");
+   app.Run();
+   Console.Write($"Application exited gracefully.");
+} catch (Exception ex) {
+   Console.Error.Write($"Application crashed: {ex}");
+   return 1;
+}
+return 0;
+
+static void ConfigureApp(ConfigurationManager configBuilder, string environment) {
+   // We prefix appsettings with the exe name because multiple exes will usually be in the build dir
+   // (this way, each exe can still load its own appsettings files from the current directory).
+   var exeName = Assembly.GetCallingAssembly().GetName().Name;
+   AddJsonFile($"{exeName}.appsettings.json");
+   AddJsonFile($"{exeName}.appsettings.{environment}.json");
+
+   var cfg = configBuilder.GetSection("config")?.Value;
+   if (!SetBasePath(cfg)) {
+      AddJsonFile(cfg);
+   }
+
+   bool SetBasePath(string? path) {
+      if (!Directory.Exists(path)) {
+         return false;
+      }
+      configBuilder.SetBasePath(path);
+      return true;
+   }
+
+   bool AddJsonFile(string? path) {
+      if (!File.Exists(path)) {
+         return false;
+      }
+      configBuilder.AddJsonFile(path);
+      return true;
+   }
+}
+
+static void ConfigureServices(IServiceCollection services, IConfiguration config) {
+   services.AddDirectoryBrowser()
+      .AddControllers().Services
+      .AddEndpointsApiExplorer()
+      .AddSwaggerGen();
+   services.AddSpaStaticFiles();
+   services.AddSpark(config.GetSection("Spark"))
+      .AddSparkApi(config.GetSection("SparkApi"))
+      .AddMasterWorker(config.GetSection("MasterWorker"))
+      .AddViewStreamDatabase()
+      .AddPubSubClient(config.GetSection("PubSub"));
+}

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

@@ -0,0 +1,29 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "http://localhost:8080",
+      "environmentVariables": {
+        "ASPNETCORE_HTTP_PORT": "8080",
+        "ASPNETCORE_ENVIRONMENT": "Development",
+        "ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.SpaProxy",
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "http://localhost:8080;https://localhost:8443",
+      "environmentVariables": {
+        "ASPNETCORE_HTTP_PORT": "8080",
+        "ASPNETCORE_HTTPS_PORT": "8443",
+        "ASPNETCORE_ENVIRONMENT": "Development",
+        "ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "Microsoft.AspNetCore.SpaProxy",
+      }
+    },
+  },
+}

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

@@ -0,0 +1,52 @@
+{
+  "PubSub": {
+    "Routing": {
+      "PublisherRoutes": [
+        {
+          "Name": "default",
+          "ServerAddress": "bts-cloud://localhost:22019",
+          "TagRegExp": ".*"
+        }
+      ],
+      "SubscriberRoutes": [
+        {
+          "Name": "default",
+          "ServerAddress": "bts-cloud://localhost:22019",
+          "TagRegExp": ".*"
+        }
+      ]
+    }
+  },
+  "CannedQueries": [
+    {
+      "Name": "BBO",
+      "Query": [
+        "bbo"
+      ]
+    },
+    {
+      "Name": "Trades",
+      "Query": [
+        "timesales"
+      ]
+    },
+    {
+      "Name": "Instruments",
+      "Query": [
+        "instruments"
+      ]
+    },
+    {
+      "Name": "Books",
+      "Query": [
+        "books"
+      ]
+    },
+    {
+      "Name": "Benzinga News",
+      "Query": [
+        "benzinga_news"
+      ]
+    }
+  ]
+}

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

@@ -1,5 +1,8 @@
 {
   "Spark": {
     "ConfigServer": "http://sparkd:8000/config"
+  },
+  "SparkApi": {
+    "IsEnabled": true
   }
 }

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

@@ -1,59 +1,38 @@
 {
-  "Logging": {
-    "LogLevel": {
-      "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
-    }
-  },
-  "Spark": {
-    "ConfigServer": "http://127.0.0.1:8000/config"
-  },
-  "SparkApi": {
-    "EnableAdmin": true,
-    "EnableOrders": true,
-    "EnablePosition": true,
-    "MarketData": {
-      "NumDepthLevels": 5,
-      "HotPollInterval": "00:00:00.1",
-      "ColdPollInterval": "00:00:01",
-      "TradePollInterval": "00:00:00.4",
-      "RelayThrottle": "00:00:00.1",
-      "SecurityPollInterval": "00:00:01"
-    }
-  },
   "MasterWorker": {
     "Interval": "00:00:00.1"
   },
   "ViewStreamDatabase": {
     "Interval": "00:00:00.1"
   },
-  "PrimitiveStream": {
-    "Assemblies": [
-      "DataStream.dll",
-      "SharedStreams.dll"
-    ],
-    "ExcludedTypes": [
-      "SettlementPriceStream",
-      "OHLCVStream"
-    ]
+  "Spark": {
+    "ConfigServer": "http://172.30.2.181:8000/config"
+  },
+  "SparkApi": {
+    "Credentials": {
+      "User": "bts",
+      "Password": ""
+    },
+    "EnableAdmin": true,
+    "EnableOrders": true,
+    "EnablePosition": true
   },
   "PubSub": {
     "HeartbeatInterval": 15000,
     "MissingHeartbeatsBeforeGc": 50,
-    "DisposedConnectionCheckPeriod": 1000,
     "ServerPort": 22019,
     "Routing": {
       "PublisherRoutes": [
         {
           "Name": "default",
-          "ServerAddress": "bts-cloud://127.0.0.1:22019",
+          "ServerAddress": "bts-cloud://172.30.2.181:22019",
           "TagRegExp": ".*"
         }
       ],
       "SubscriberRoutes": [
         {
           "Name": "default",
-          "ServerAddress": "bts-cloud://127.0.0.1:22019",
+          "ServerAddress": "bts-cloud://172.30.2.181:22019",
           "TagRegExp": ".*"
         }
       ]
@@ -91,18 +70,46 @@
       ]
     }
   },
-  "DataStreamPublisher": {
-    "PublisherNodes": [
-      {
-        "Name": "test_data",
-        "Streams": [
-          {
-            "Name": "test_literal",
-            "Expression": "literal(\"x\", \"420.0\")",
-            "IsOnWebsocket": true
-          }
-        ]
+  "Kestrel": {
+    "Endpoints": {
+      "Http": {
+        "Url": "http://172.30.2.181:8080"
+      },
+      "Https": {
+        "Url": "https://172.30.2.181:8443"
       }
-    ]
-  }
+    }
+  },
+  "CannedQueries": [
+    {
+      "Name": "BBO",
+      "Query": [
+        "bbo"
+      ]
+    },
+    {
+      "Name": "Trades",
+      "Query": [
+        "timesales"
+      ]
+    },
+    {
+      "Name": "Instruments",
+      "Query": [
+        "instruments"
+      ]
+    },
+    {
+      "Name": "Books",
+      "Query": [
+        "books"
+      ]
+    },
+    {
+      "Name": "Benzinga News",
+      "Query": [
+        "benzinga_news"
+      ]
+    }
+  ]
 }

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

@@ -0,0 +1,44 @@
+{
+  "CannedQueries": [
+    {
+      "Name": "BBO",
+      "Query": [
+        "bbo"
+      ]
+    },
+    {
+      "Name": "Trades",
+      "Query": [
+        "timesales"
+      ]
+    },
+    {
+      "Name": "Instruments",
+      "Query": [
+        "instruments"
+      ]
+    },
+    {
+      "Name": "Books",
+      "Query": [
+        "books"
+      ]
+    },
+    {
+      "Name": "Benzinga News",
+      "Query": [
+        "benzinga_news"
+      ]
+    }
+  ],
+  "Spark": {
+    "ConfigServer": "http://sparkd:8000/config"
+  },
+  "SparkApi": {
+    "IsEnabled": true,
+    "Credentials": {
+      "User": "bts",
+      "Password": ""
+    }
+  }
+}

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

@@ -0,0 +1,85 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*",
+  "Kestrel": {
+    "Endpoints": {
+      "Http": {
+        "Url": "http://0.0.0.0:8080"
+      },
+      "Https": {
+        "Url": "https://0.0.0.0:8443"
+      }
+    }
+  },
+  "MasterWorker": {
+    "Interval": "00:00:00.1"
+  },
+  "ViewStreamDatabase": {
+    "Interval": "00:00:00.1"
+  },
+  "SparkApi": {
+    "IsEnabled": false,
+    "Credentials": {
+      "User": "bts",
+      "Password": ""
+    }
+  },
+  "PubSub": {
+    "HeartbeatInterval": 15000,
+    "MissingHeartbeatsBeforeGc": 50,
+    "ServerPort": 22019,
+    "Routing": {
+      "PublisherRoutes": [
+        {
+          "Name": "default",
+          "ServerAddress": "bts-cloud://pubsub:22019",
+          "TagRegExp": ".*"
+        }
+      ],
+      "SubscriberRoutes": [
+        {
+          "Name": "default",
+          "ServerAddress": "bts-cloud://pubsub:22019",
+          "TagRegExp": ".*"
+        }
+      ]
+    },
+    "TagTypeToAssemblyMap": {
+      "Entries": [
+        {
+          "HandlerClass": "BCG.PubSubServerTagHandler",
+          "Assembly": "DataStreamCore.dll"
+        }
+      ]
+    },
+    "TagHandlerFactory": {
+      "Handlers": [
+        {
+          "TagType": "DataStream",
+          "Assembly": "DataStreamCore",
+          "Class": "bts.PubsubServerStreamTagHandler"
+        },
+        {
+          "TagType": "System_Sub",
+          "Assembly": "PubSub",
+          "Class": "BCG.SystemSubscriptionMapPublisher"
+        },
+        {
+          "TagType": "System_Stats",
+          "Assembly": "PubSub",
+          "Class": "BCG.SystemStatsPublisher"
+        },
+        {
+          "TagType": ".*",
+          "Assembly": "DataStreamCore",
+         "Class": "bts.PubsubServerGenericDataHandler"
+        }
+      ]
+    }
+  }
+}

src/DataStreamSuite/Bts.DataStreamWebApp.Server/spark.conf

@@ -0,0 +1,15 @@
+Logging {
+  value {
+    console {
+      default_level: "Info"
+    }
+    syslog {
+      default_level: "Info"
+    }
+    file {
+      default_level: "Info"
+    }
+    initial_queue_size: 120001
+    max_queue_growth: 4
+  }
+}

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

@@ -0,0 +1,168 @@
+<!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

@@ -0,0 +1,176 @@
+<!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.Hosting/Bts.Extensions.Hosting.csproj

@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="7.0.1" />
   </ItemGroup>
 
 </Project>

src/DataStreamSuite/Bts.Extensions.Hosting/HostBuilderExtensions.cs

@@ -0,0 +1,59 @@
+namespace Bts.Extensions.Hosting;
+
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+
+using System.Diagnostics;
+
+public static class HostBuilderExtensions {
+   public static IHostBuilder CreateBtsBuilder(string[] args) {
+      // Obtain calling assembly name here, rather than in the lambda where it is actually needed,
+      // because want the name of the assembly that called this function, not the assembly that will eventually invoke
+      // the lambda...that will be the Microsoft.Extensions.Hosting assembly.
+      // Get the name of the assembly that called this function. That will act as the "appsettings"
+      // json file prefix
+      var exeName = GetCallingAssemblyName();
+      return Host.CreateDefaultBuilder(args)
+         .ConfigureAppConfiguration((context, configBuilder) =>
+            ConfigureApp(configBuilder, context.HostingEnvironment.EnvironmentName, exeName));
+   }
+
+   public static void ConfigureApp(IConfigurationBuilder configBuilder, string? environment = null, string? prefix = null) {
+      var baseFileName = prefix is null ? "appsettings" : $"{prefix}.appsettings";
+      AddJsonFile($"{baseFileName}.json");
+      if (environment is not null) {
+         AddJsonFile($"{baseFileName}.{environment}.json");
+      }
+
+      var cfg = configBuilder.Build().GetSection("config")?.Value;
+      if (!SetBasePath(cfg)) {
+         AddJsonFile(cfg);
+      }
+
+      bool SetBasePath(string? path) {
+         if (!Directory.Exists(path)) {
+            return false;
+         }
+         configBuilder.SetBasePath(path);
+         return true;
+      }
+
+      bool AddJsonFile(string? path) {
+         if (!File.Exists(path)) {
+            return false;
+         }
+         configBuilder.AddJsonFile(path);
+         return true;
+      }
+   }
+
+   public static string GetCallingAssemblyName() =>
+      new StackTrace()
+         .GetFrame(2)
+         ?.GetMethod()
+         ?.Module
+         ?.Assembly
+         ?.GetName()
+         ?.Name
+         ?? throw new InvalidOperationException("Failed to determine name of calling assembly (calling method is null)");
+}

src/DataStreamSuite/Bts.Net/Bts.Net.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>