fix: Add json config sources before env vars and cmd line sources

So environment variables override json files (if there is a conflict),
and command line args override everything else.

.editorconfig

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

.env

@@ -46,4 +46,11 @@ SPARKD__SIM_FIX_PORT=8002
 SPARKD__SHM_SIZE=4gb
 SPARKD__PYTHON_REQUIREMENTS=requirements.txt
 
+### 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

@@ -55,6 +55,8 @@ 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

@@ -14,6 +14,49 @@
       "type": "coreclr",
       "request": "attach"
     },
+    {
+      "name": "Api Server",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "preLaunchTask": "Build Api Server (Debug)",
+      "windows": {
+        "program": "spark_api_server.exe",
+      },
+      "linux": {
+        "program": "spark_api_server",
+      },
+      "args": [
+        "run",
+      ],
+      "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:apiServerEnvironment}",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Api Server (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "windows": {
+        "program": "spark_api_server.exe",
+      },
+      "linux": {
+        "program": "spark_api_server",
+      },
+      "args": [
+        "run",
+      ],
+      "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:apiServerEnvironment}",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
     {
       "name": "DataStreamPublisher",
       "type": "coreclr",
@@ -26,11 +69,28 @@
       "windows": {
         "program": "DataStreamPublisher.exe",
       },
-      "args": [
-        "--config",
-        "${workspaceFolder}/src/DataStreamSuite/DataStreamPublisher/Configurations/${input:dataStreamPublisherConfig}.json"
-      ],
       "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:dataStreamPublisherEnvironment}",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "DataStreamPublisher (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "linux": {
+        "program": "DataStreamPublisher",
+      },
+      "windows": {
+        "program": "DataStreamPublisher.exe",
+      },
+      "cwd": "${workspaceFolder}/build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:dataStreamPublisherEnvironment}",
+      },
       "stopAtEntry": false,
       "console": "integratedTerminal"
     },
@@ -118,6 +178,61 @@
       "stopAtEntry": false,
       "console": "integratedTerminal"
     },
+    {
+      "name": "PubSubServer (Skip Build)",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "linux": {
+        "program": "PubSubServer",
+      },
+      "windows": {
+        "program": "PubSubServer.exe",
+      },
+      "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
+      },
+      "stopAtEntry": false,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Sdk Demo",
+      "type": "coreclr",
+      "request": "launch",
+      "program": "",
+      "preLaunchTask": "Build 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",
@@ -127,6 +242,9 @@
         "preLaunchTask": "Build Spark (Debug)",
         "program": "Spark.exe",
         "cwd": "build/Debug/bin/net8.0-windows",
+        "env": {
+          "DOTNET_ENVIRONMENT": "${input:sparkEnvironment}",
+        }
       },
       "stopAtEntry": false,
       "console": "integratedTerminal"
@@ -139,6 +257,9 @@
       "windows": {
         "program": "Spark.exe",
         "cwd": "build/Debug/bin/net8.0-windows",
+        "env": {
+          "DOTNET_ENVIRONMENT": "${input:sparkEnvironment}",
+        }
       },
       "stopAtEntry": false,
       "console": "integratedTerminal"
@@ -200,6 +321,7 @@
       "program": "",
       "linux": {
         "program": "${workspaceFolder}/build/sparkd-debug-clang/src/app_sparkd/sparkd",
+        "preLaunchTask": "Build Sparkd (Debug | Clang)",
       },
       "args": [
         "run"
@@ -251,6 +373,17 @@
     },
   ],
   "inputs": [
+    {
+      "id": "apiServerEnvironment",
+      "type": "pickString",
+      "description": "Api Server Configuration",
+      "options": [
+        "Development",
+        "Local",
+        "Staging",
+      ],
+      "default": "Development",
+    },
     {
       "id": "dataStreamPublisherConfig",
       "type": "pickString",
@@ -263,6 +396,16 @@
       ],
       "default": "MarketDataPublisher",
     },
+    {
+      "id": "dataStreamPublisherEnvironment",
+      "type": "pickString",
+      "description": "DataStreamPublisher Configuration",
+      "options": [
+        "Local",
+        "ReplayMarketData",
+      ],
+      "default": "Local",
+    },
     {
       "id": "pubSubServerConfig",
       "type": "pickString",
@@ -273,12 +416,33 @@
       ],
       "default": "PubSubServer",
     },
+    {
+      "id": "sdkDemoEnvironment",
+      "type": "pickString",
+      "description": "Sdk Demo Configuration",
+      "options": [
+        "Development",
+        "Local",
+        "Staging",
+      ],
+      "default": "Development",
+    },
     {
       "id": "sparkConfigServer",
       "type": "promptString",
       "description": "Config Server URL",
       "default": "http://localhost:8000/config",
     },
+    {
+      "id": "sparkEnvironment",
+      "type": "pickString",
+      "description": "Spark Configuration",
+      "options": [
+        "Development",
+        "Local",
+      ],
+      "default": "Development",
+    },
     {
       "id": "sparkTest",
       "type": "promptString",

.vscode/tasks.json

@@ -172,6 +172,66 @@
         "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",
+        "${input:buildConfiguration}",
+      ],
+      "icon": {
+        "id": "terminal",
+        "color": "terminal.ansiCyan"
+      },
+    },
+    {
+      "label": "Build Spark Sdk (Debug)",
+      "group": "build",
+      "type": "process",
+      "command": "",
+      "linux": {
+        "command": "tools/build_spark_sdk.sh",
+      },
+      "windows": {
+        "command": "tools/build_spark_sdk.cmd",
+      },
+      "args": [
+        "--configuration",
+        "Debug",
+      ],
+      "icon": {
+        "id": "terminal",
+        "color": "terminal.ansiCyan"
+      },
+    },
+    {
+      "label": "Build Spark Sdk (Release)",
+      "group": "build",
+      "type": "process",
+      "command": "",
+      "windows": {
+        "command": "tools/build_spark_sdk.cmd",
+      },
+      "linux": {
+        "command": "tools/build_spark_sdk.sh",
+      },
+      "args": [
+        "--configuration",
+        "Release",
+      ],
+      "icon": {
+        "id": "terminal",
+        "color": "terminal.ansiCyan"
+      },
+    },
     {
       "label": "Build Sparkd",
       "group": "build",
@@ -351,6 +411,129 @@
         "id": "wrench"
       },
     },
+    {
+      "label": "Run Api Server",
+      "dependsOn": "Build Api Server",
+      "type": "process",
+      "command": "",
+      "windows": {
+        "command": "spark_api_server.exe",
+      },
+      "linux": {
+        "command": "spark_api_server",
+      },
+      "args": [
+        "run",
+      ],
+      "options": {
+        "cwd": "${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",
@@ -422,12 +605,11 @@
       "windows": {
         "command": "DataStreamPublisher.exe",
       },
-      "args": [
-        "--config",
-        "${workspaceFolder}/src/DataStreamSuite/DataStreamPublisher/Configurations/${input:dataStreamPublisherConfig}.json",
-      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/${input:buildConfiguration}/bin/net8.0"
+        "cwd": "${workspaceFolder}/build/${input:buildConfiguration}/bin/net8.0",
+        "env": {
+          "DOTNET_ENVIRONMENT": "${input:dataStreamPublisherEnvironment}",
+        },
       },
       "icon": {
         "id": "run",
@@ -445,12 +627,11 @@
       "windows": {
         "command": "DataStreamPublisher.exe",
       },
-      "args": [
-        "--config",
-        "${workspaceFolder}/src/DataStreamSuite/DataStreamPublisher/Configurations/${input:dataStreamPublisherConfig}.json",
-      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0"
+        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0",
+        "env": {
+          "DOTNET_ENVIRONMENT": "${input:dataStreamPublisherEnvironment}",
+        },
       },
       "icon": {
         "id": "run",
@@ -468,12 +649,11 @@
       "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",
+        "env": {
+          "DOTNET_ENVIRONMENT": "${input:dataStreamPublisherEnvironment}",
+        },
       },
       "icon": {
         "id": "run",
@@ -491,12 +671,11 @@
       "windows": {
         "command": "PubSubServer.exe",
       },
-      "args": [
-        "--config",
-        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json",
-      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/${input:buildConfiguration}/bin/net8.0"
+        "cwd": "${workspaceFolder}/build/${input:buildConfiguration}/bin/net8.0",
+        "env": {
+          "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
+        },
       },
       "icon": {
         "id": "run",
@@ -514,12 +693,11 @@
       "windows": {
         "command": "PubSubServer.exe",
       },
-      "args": [
-        "--config",
-        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json",
-      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0"
+        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0",
+        "env": {
+          "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
+        },
       },
       "icon": {
         "id": "run",
@@ -536,12 +714,11 @@
       "windows": {
         "command": "PubSubServer.exe",
       },
-      "args": [
-        "--config",
-        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json",
-      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0"
+        "cwd": "${workspaceFolder}/build/Debug/bin/net8.0",
+        "env": {
+          "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
+        },
       },
       "icon": {
         "id": "run",
@@ -559,12 +736,11 @@
       "windows": {
         "command": "PubSubServer.exe",
       },
-      "args": [
-        "--config",
-        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json",
-      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/Release/bin/net8.0"
+        "cwd": "${workspaceFolder}/build/Release/bin/net8.0",
+        "env": {
+          "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
+        },
       },
       "icon": {
         "id": "run",
@@ -581,12 +757,11 @@
       "windows": {
         "command": "PubSubServer.exe",
       },
-      "args": [
-        "--config",
-        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json",
-      ],
       "options": {
-        "cwd": "${workspaceFolder}/build/Release/bin/net8.0"
+        "cwd": "${workspaceFolder}/build/Release/bin/net8.0",
+        "env": {
+          "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
+        },
       },
       "icon": {
         "id": "run",
@@ -852,6 +1027,17 @@
     },
   ],
   "inputs": [
+    {
+      "id": "apiServerEnvironment",
+      "type": "pickString",
+      "description": "Api Server Configuration",
+      "options": [
+        "Development",
+        "Local",
+        "Staging",
+      ],
+      "default": "Development",
+    },
     {
       "id": "buildConfiguration",
       "type": "pickString",
@@ -885,26 +1071,30 @@
       "default": "sparkd-debug-clang",
     },
     {
-      "id": "dataStreamPublisherConfig",
+      "id": "dataStreamPublisherEnvironment",
       "type": "pickString",
       "description": "Publisher Configuration",
       "options": [
-        "MarketDataPublisher",
-        "SimpleEchoClient",
-        "SimpleTestDataPublisher",
-        "TestDataPublisher",
+        "Development",
+        "MarketData",
+        "Production",
+        "ProductionAws",
+        "Staging",
       ],
       "default": "MarketDataPublisher",
     },
     {
-      "id": "pubSubServerConfig",
+      "id": "pubSubServerEnvironment",
       "type": "pickString",
       "description": "PubSub Configuration",
       "options": [
-        "PubSubServer",
-        "SimpleEchoClient",
+        "Development",
+        "EchoServer",
+        "Production",
+        "ProductionAws",
+        "Staging",
       ],
-      "default": "PubSubServer",
+      "default": "Development",
     },
     {
       "id": "sparkConfigQuery",

Bts.Spark.Sdk.sln

@@ -0,0 +1,105 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{827E0CD3-B72D-47B6-A68D-7590B98EB39B}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "cs", "cs", "{C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Core", "src\cs\Bts.Spark.Core\Bts.Spark.Core.csproj", "{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Api", "src\cs\Bts.Spark.Api\Bts.Spark.Api.csproj", "{8949AF88-F1D3-4BC4-827F-B088B555F7B9}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "DataStreamSuite", "DataStreamSuite", "{60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Extensions.Hosting", "src\DataStreamSuite\Bts.Extensions.Hosting\Bts.Extensions.Hosting.csproj", "{37E4E890-D025-4729-90F9-6F95862F47BC}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Sdk", "src\cs\Bts.Spark.Sdk\Bts.Spark.Sdk.csproj", "{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Sdk.Demo", "src\cs\Bts.Spark.Sdk.Demo\Bts.Spark.Sdk.Demo.csproj", "{FCFDBDBE-74B0-41C4-9011-C651B21056D4}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|Any CPU = Release|Any CPU
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Debug|Any CPU.ActiveCfg = Debug|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Debug|Any CPU.Build.0 = Debug|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Debug|x64.ActiveCfg = Debug|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Debug|x64.Build.0 = Debug|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Debug|x86.ActiveCfg = Debug|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Debug|x86.Build.0 = Debug|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Release|Any CPU.ActiveCfg = Release|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Release|Any CPU.Build.0 = Release|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Release|x64.ActiveCfg = Release|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Release|x64.Build.0 = Release|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Release|x86.ActiveCfg = Release|x64
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C}.Release|x86.Build.0 = Release|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Debug|Any CPU.ActiveCfg = Debug|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Debug|Any CPU.Build.0 = Debug|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Debug|x64.ActiveCfg = Debug|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Debug|x64.Build.0 = Debug|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Debug|x86.ActiveCfg = Debug|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Debug|x86.Build.0 = Debug|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Release|Any CPU.ActiveCfg = Release|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Release|Any CPU.Build.0 = Release|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Release|x64.ActiveCfg = Release|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Release|x64.Build.0 = Release|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Release|x86.ActiveCfg = Release|x64
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9}.Release|x86.Build.0 = Release|x64
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Debug|x64.Build.0 = Debug|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Debug|x86.Build.0 = Debug|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Release|x64.ActiveCfg = Release|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Release|x64.Build.0 = Release|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Release|x86.ActiveCfg = Release|Any CPU
+		{37E4E890-D025-4729-90F9-6F95862F47BC}.Release|x86.Build.0 = Release|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Debug|x64.Build.0 = Debug|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Debug|x86.Build.0 = Debug|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Release|x64.ActiveCfg = Release|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Release|x64.Build.0 = Release|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Release|x86.ActiveCfg = Release|Any CPU
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579}.Release|x86.Build.0 = Release|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Debug|x64.Build.0 = Debug|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Debug|x86.Build.0 = Debug|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Release|x64.ActiveCfg = Release|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Release|x64.Build.0 = Release|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Release|x86.ActiveCfg = Release|Any CPU
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4}.Release|x86.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
+		{E3BF9514-CB1A-4E07-A8DD-73300FD9726C} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+		{8949AF88-F1D3-4BC4-827F-B088B555F7B9} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+		{60E0D592-FFB3-0D0A-C4AA-E88919B48F9D} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
+		{37E4E890-D025-4729-90F9-6F95862F47BC} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{A5FF3FAF-43CB-496B-AF4B-F61EFD645579} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+		{FCFDBDBE-74B0-41C4-9011-C651B21056D4} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+	EndGlobalSection
+EndGlobal

CMakeLists.txt

@@ -21,7 +21,7 @@ set(
 # SHARED_MEMORY_PREFIX serves as a kind of namespace so multiple applications
 # can run simultaneously without fighting over the same shm files (e.g., sparkd,
 # api server, etc.).
-set(SHARED_MEMORY_PREFIX "bts" CACHE STRING "Prefix to use when creating shared memory files")
+set(SHARED_MEMORY_PREFIX "\${BTS_SHARED_MEMORY_PREFIX}" CACHE STRING "Prefix to use when creating shared memory files")
 set(EXTERNALS_BIN "${EXTERNALS_ROOT}/bin")
 set(EXTERNALS_INCLUDE "${EXTERNALS_ROOT}/include")
 set(EXTERNALS_LIB "${EXTERNALS_ROOT}/lib/$<CONFIG>")
@@ -40,9 +40,8 @@ include_directories(BEFORE SYSTEM ${EXTERNALS_INCLUDE} ${EXTERNALS_ROOT}/include
 link_directories(${EXTERNALS_LIB})
 
 add_compile_definitions(SHARED_MEMORY_PREFIX="${SHARED_MEMORY_PREFIX}")
-add_compile_definitions(APP_DATA_DIR="${APP_DATA_DIR}")
-if(DEFINED APP_DATA_DIR_OVERRIDE)
-  add_compile_definitions(APP_DATA_DIR_OVERRIDE="${APP_DATA_DIR_OVERRIDE}")
+if(DEFINED APP_DATA_DIR)
+  add_compile_definitions(APP_DATA_DIR="${APP_DATA_DIR}")
 endif()
 add_compile_definitions(EXPORT_MD_CONSUMER="${EXPORT_MD_CONSUMER}")
 if(WIN32)

CMakePresets.json

@@ -8,36 +8,41 @@
 
   "configurePresets": [
     {
-      "name": "spark",
+      "name": "spark-base",
+      "hidden": true,
+      "binaryDir": "${sourceDir}/build/${presetName}",
+      "cacheVariables": {
+        "CMAKE_CXX_STANDARD": "20",
+        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
+        "CMAKE_TOOLCHAIN_FILE": "${sourceDir}/vcpkg/scripts/buildsystems/vcpkg.cmake",
+        "CONFIG_DEFAULTS_PATH": "spark/config/profiles/default/*.conf",
+        "EXPORT_MD_CONSUMER": {
+          "type": "BOOL",
+          "value": "ON"
+        }
+      }
+    },
+
+    {
+      "name": "spark-windows",
+      "inherits": "spark-base",
+      "displayName": "Spark",
       "condition": {
         "type": "equals",
         "lhs": "${hostSystemName}",
         "rhs": "Windows"
       },
       "generator": "Visual Studio 17 2022",
-      "binaryDir": "${sourceDir}/build/${presetName}",
       "environment": {
         "SPARK_CMAKE_CXX_FLAGS": "/MP /WX /wd4250 /wd4251 /wd4244 /wd4267 /wd4355 /wd4275 /wd4345 /bigobj /EHsc /DCURL_STATICLIB /D_WINSOCK_DEPRECATED_NO_WARNINGS /D__TBB_NO_IMPLICIT_LINKAGE /DBOOST_ALL_NO_LIB /std:c++20 /D_SCL_SECURE_NO_WARNINGS /D_CRT_SECURE_NO_WARNINGS /D_WIN32_WINNT=0x0600"
       },
       "cacheVariables": {
-        "APP_DATA_DIR": "${dollar}{APPDATA}/bts",
-        "APP_DATA_DIR_OVERRIDE": "${dollar}{SPARK_DATA_DIR}",
         "CMAKE_CXX_FLAGS": "$env{SPARK_CMAKE_CXX_FLAGS}",
         "CMAKE_CXX_FLAGS_DEBUG": "$env{SPARK_CMAKE_CXX_FLAGS} /MTd",
         "CMAKE_CXX_FLAGS_RELEASE": "$env{SPARK_CMAKE_CXX_FLAGS} /MT",
-        "CMAKE_CXX_STANDARD": "20",
-        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
         "CMAKE_SHARED_LINKER_FLAGS_DEBUG": "/DEBUG",
         "CMAKE_SHARED_LINKER_FLAGS_RELEASE": "/OPT:REF /OPT:ICF /LTCG",
-        "CMAKE_TOOLCHAIN_FILE": "${sourceDir}/vcpkg/scripts/buildsystems/vcpkg.cmake",
-        "EXTERNALS_ROOT": "${sourceDir}/externals/windows",
-        "CONFIG_DEFAULTS_PATH": "spark/config/profiles/default/*.conf",
-        "DOTNET_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net8.0;${sourceDir}/build/$<CONFIG>/bin/net8.0-windows",
-        "EXPORT_MD_CONSUMER": {
-          "type": "BOOL",
-          "value": "ON"
-        },
-        "SHARED_MEMORY_PREFIX": "spark"
+        "EXTERNALS_ROOT": "${sourceDir}/externals/windows"
       }
     },
 
@@ -53,8 +58,6 @@
       "binaryDir": "${sourceDir}/build/${presetName}",
       "cacheVariables": {
         "platform": "",
-        "APP_DATA_DIR": "${dollar}{HOME}/sparkdata",
-        "APP_DATA_DIR_OVERRIDE": "${dollar}{SPARKD_DATA_DIR}",
         "CMAKE_BUILD_WITH_INSTALL_RPATH": {
           "type": "BOOL",
           "value": "OFF"
@@ -77,8 +80,7 @@
         "BUILD_ADMIN_WEB_APP": {
           "type": "BOOL",
           "value": "ON"
-        },
-        "SHARED_MEMORY_PREFIX": "sparkd"
+        }
       }
     },
 
@@ -157,22 +159,17 @@
     },
 
     {
-      "name": "spark-api-server-windows",
-      "inherits": "spark",
-      "displayName": "Spark Api Server (Windows)",
-      "cacheVariables": {
-        "APP_DATA_DIR_OVERRIDE": "${dollar}{SPARK_API_SERVER_DATA_DIR}",
-        "SHARED_MEMORY_PREFIX": "spark_api_server"
-      }
-    },
-
-    {
-      "name": "spark-api-server-linux",
-      "inherits": "sparkd",
-      "displayName": "Spark Api Server (Linux)",
+      "name": "spark-linux",
+      "inherits": "spark-base",
+      "displayName": "Spark",
+      "condition": {
+        "type": "equals",
+        "lhs": "${hostSystemName}",
+        "rhs": "Linux"
+      },
       "generator": "Ninja Multi-Config",
       "cacheVariables": {
-        "APP_DATA_DIR_OVERRIDE": "${dollar}{SPARK_API_SERVER_DATA_DIR}",
+        "platform": "linux",
         "BUILD_ADMIN_WEB_APP": {
           "type": "BOOL",
           "value": "OFF"
@@ -181,21 +178,26 @@
           "type": "BOOL",
           "value": "OFF"
         },
+        "CMAKE_BUILD_WITH_INSTALL_RPATH": {
+          "type": "BOOL",
+          "value": "OFF"
+        },
         "CMAKE_C_COMPILER": "clang",
         "CMAKE_CXX_COMPILER": "clang++",
         "CMAKE_CXX_FLAGS_DEBUG": "-g -fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -DDEBUG",
         "CMAKE_CXX_FLAGS_RELEASE": "-fPIC -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++20 -fdiagnostics-color -fno-omit-frame-pointer -DNDEBUG -O3",
-        "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
+        "CMAKE_EXE_LINKER_FLAGS": "-Wno-undef",
         "CMAKE_EXPORT_COMPILE_COMMANDS": {
           "type": "BOOL",
           "value": "ON"
         },
-        "CONFIG_DEFAULTS_PATH": "spark/config/profiles/default/*.conf",
-        "DOTNET_BINARY_DIR": "${sourceDir}/build/$<CONFIG>/bin/net8.0",
-        "EXPORT_MD_CONSUMER": {
+        "CMAKE_INSTALL_RPATH": ".",
+        "CMAKE_PREFIX_PATH": "${sourceDir}/cmake/;${sourceDir}/.venv/lib/python3.10/site-packages/pybind11/share/cmake/pybind11",
+        "DATABENTO_USE_EXTERNAL_JSON": {
           "type": "BOOL",
           "value": "ON"
-        }
+        },
+        "EXTERNALS_ROOT": "${sourceDir}/externals/linux"
       }
     },
 
@@ -215,92 +217,32 @@
       "cacheVariables": {
         "CCAPI_LOG_LEVEL": "Trace"
       }
-    },
-
-    {
-      "name": "data-stream-suite-windows",
-      "condition": {
-        "type": "equals",
-        "lhs": "${hostSystemName}",
-        "rhs": "Windows"
-      },
-      "inherits": "spark",
-      "displayName": "Data Stream Suite (Windows)",
-      "description": "Data Stream utils ported over from Edge",
-      "binaryDir": "${sourceDir}/build/${presetName}",
-      "cacheVariables": {
-        "APP_DATA_DIR": "${dollar}{APPDATA}/bts/DataStream",
-        "APP_DATA_DIR_OVERRIDE": "${dollar}{DATA_STREAM_DATA_DIR}",
-        "CONFIG_DEFAULTS_PATH": "spark/config/profiles/default/*.conf;spark/config/profiles/data_stream/*.conf",
-        "SHARED_MEMORY_PREFIX": "data_stream"
-      }
-    },
-
-    {
-      "name": "data-stream-suite-linux",
-      "displayName": "Data Stream Suite (Linux)",
-      "description": "Data Stream utils ported over from Edge",
-      "condition": {
-        "type": "equals",
-        "lhs": "${hostSystemName}",
-        "rhs": "Linux"
-      },
-      "inherits": "sparkd",
-      "generator": "Ninja Multi-Config",
-      "cacheVariables": {
-        "APP_DATA_DIR": "${dollar}{HOME}/.local/share/DataStream",
-        "APP_DATA_DIR_OVERRIDE": "${dollar}{DATA_STREAM_DATA_DIR}",
-        "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"
-        },
-        "SHARED_MEMORY_PREFIX": "data_stream"
-      }
     }
   ],
 
   "buildPresets": [
     {
-      "name": "spark",
+      "name": "spark-windows",
       "condition": {
         "type": "equals",
         "lhs": "${hostSystemName}",
         "rhs": "Windows"
       },
-      "hidden": true
+      "hidden": true,
+      "configurePreset": "spark-windows"
     },
 
     {
-      "name": "spark-debug",
+      "name": "spark-windows-debug",
       "displayName": "Spark (Debug)",
-      "inherits": "spark",
-      "configurePreset": "spark",
+      "inherits": "spark-windows",
       "configuration": "Debug"
     },
 
     {
-      "name": "spark-release",
+      "name": "spark-windows-release",
       "displayName": "Spark (Release)",
-      "inherits": "spark",
-      "configurePreset": "spark",
+      "inherits": "spark-windows",
       "configuration": "Release"
     },
 
@@ -343,52 +285,27 @@
     },
 
     {
-      "name": "spark-api-server-windows",
-      "condition": {
-        "type": "equals",
-        "lhs": "${hostSystemName}",
-        "rhs": "Windows"
-      },
-      "hidden": true,
-      "configurePreset": "spark-api-server-windows"
-    },
-
-    {
-      "name": "spark-api-server-windows-debug",
-      "displayName": "Spark Api Server (Windows | Debug)",
-      "inherits": "spark-api-server-windows",
-      "configuration": "Debug"
-    },
-
-    {
-      "name": "spark-api-server-windows-release",
-      "displayName": "Spark Api Server (Windows | Release)",
-      "inherits": "spark-api-server-windows",
-      "configuration": "Release"
-    },
-
-    {
-      "name": "spark-api-server-linux",
+      "name": "spark-linux",
       "condition": {
         "type": "equals",
         "lhs": "${hostSystemName}",
         "rhs": "Linux"
       },
       "hidden": true,
-      "configurePreset": "spark-api-server-linux"
+      "configurePreset": "spark-linux"
     },
 
     {
-      "name": "spark-api-server-linux-debug",
-      "inherits": "spark-api-server-linux",
-      "displayName": "Spark Api Server (Linux | Debug)",
+      "name": "spark-linux-debug",
+      "inherits": "spark-linux",
+      "displayName": "Spark (Linux | Debug)",
       "configuration": "Debug"
     },
 
     {
-      "name": "spark-api-server-linux-release",
-      "inherits": "spark-api-server-linux",
-      "displayName": "Spark Api Server (Linux | Release)",
+      "name": "spark-linux-release",
+      "inherits": "spark-linux",
+      "displayName": "Spark (Linux | Release)",
       "configuration": "Release"
     },
 
@@ -405,34 +322,6 @@
       "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

@@ -1,10 +1,11 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
+
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.3.32922.545
 MinimumVisualStudioVersion = 15.0.26124.0
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_api", "src\client\spark_api\spark_api.csproj", "{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Bts.Spark.Api", "src\cs\Bts.Spark.Api\Bts.Spark.Api.csproj", "{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_core", "src\client\spark_core\spark_core.csproj", "{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Bts.Spark.Core", "src\cs\Bts.Spark.Core\Bts.Spark.Core.csproj", "{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_websocket", "src\client\spark_websocket\spark_websocket.csproj", "{3201359D-C071-4089-9EDE-B04D759F1508}"
 EndProject
@@ -42,168 +43,484 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.ColumnExpressions", "sr
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStream", "src\DataStreamSuite\DataStream\DataStream.csproj", "{39AEA075-6457-46C0-8821-1158BE6EFA57}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Extensions.Hosting", "src\DataStreamSuite\Bts.Extensions.Hosting\Bts.Extensions.Hosting.csproj", "{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
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+		MinSizeRel|x86 = MinSizeRel|x86
 		Release|x64 = Release|x64
+		Release|Any CPU = Release|Any CPU
+		Release|x86 = Release|x86
 		RelWithDebInfo|x64 = RelWithDebInfo|x64
+		RelWithDebInfo|Any CPU = RelWithDebInfo|Any CPU
+		RelWithDebInfo|x86 = RelWithDebInfo|x86
 	EndGlobalSection
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+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.MinSizeRel|x86.ActiveCfg = MinSizeRel|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.MinSizeRel|x86.Build.0 = MinSizeRel|Any CPU
 		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.Release|x64.ActiveCfg = Release|Any CPU
 		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.Release|x64.Build.0 = Release|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.Release|x86.ActiveCfg = Release|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.Release|x86.Build.0 = Release|Any CPU
 		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
 		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.RelWithDebInfo|Any CPU.ActiveCfg = RelWithDebInfo|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.RelWithDebInfo|Any CPU.Build.0 = RelWithDebInfo|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.RelWithDebInfo|x86.ActiveCfg = RelWithDebInfo|Any CPU
+		{FDA791E0-2B91-4AD5-B91D-CF920A4C4E38}.RelWithDebInfo|x86.Build.0 = RelWithDebInfo|Any CPU
 		{B945A183-2174-4ACB-B289-8A5C546656FE}.Debug|x64.ActiveCfg = Debug|Any CPU
 		{B945A183-2174-4ACB-B289-8A5C546656FE}.Debug|x64.Build.0 = Debug|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.Debug|x86.Build.0 = Debug|Any CPU
 		{B945A183-2174-4ACB-B289-8A5C546656FE}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
 		{B945A183-2174-4ACB-B289-8A5C546656FE}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.MinSizeRel|Any CPU.Build.0 = MinSizeRel|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.MinSizeRel|x86.ActiveCfg = MinSizeRel|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.MinSizeRel|x86.Build.0 = MinSizeRel|Any CPU
 		{B945A183-2174-4ACB-B289-8A5C546656FE}.Release|x64.ActiveCfg = Release|Any CPU
 		{B945A183-2174-4ACB-B289-8A5C546656FE}.Release|x64.Build.0 = Release|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.Release|x86.ActiveCfg = Release|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.Release|x86.Build.0 = Release|Any CPU
 		{B945A183-2174-4ACB-B289-8A5C546656FE}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
 		{B945A183-2174-4ACB-B289-8A5C546656FE}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
-		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|x64.ActiveCfg = Debug|Any CPU
-		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|x64.Build.0 = Debug|Any CPU
-		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
-		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|x64.Build.0 = Debug|Any CPU
-		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|x64.ActiveCfg = Release|Any CPU
-		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|x64.Build.0 = Release|Any CPU
-		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
-		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.RelWithDebInfo|Any CPU.ActiveCfg = RelWithDebInfo|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.RelWithDebInfo|Any CPU.Build.0 = RelWithDebInfo|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.RelWithDebInfo|x86.ActiveCfg = RelWithDebInfo|Any CPU
+		{B945A183-2174-4ACB-B289-8A5C546656FE}.RelWithDebInfo|x86.Build.0 = RelWithDebInfo|Any CPU
 		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Debug|x64.ActiveCfg = Debug|Any CPU
 		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Debug|x64.Build.0 = Debug|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Debug|x86.Build.0 = Debug|Any CPU
 		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
 		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.MinSizeRel|Any CPU.Build.0 = MinSizeRel|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.MinSizeRel|x86.ActiveCfg = MinSizeRel|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.MinSizeRel|x86.Build.0 = MinSizeRel|Any CPU
 		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Release|x64.ActiveCfg = Release|Any CPU
 		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Release|x64.Build.0 = Release|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Release|x86.ActiveCfg = Release|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.Release|x86.Build.0 = Release|Any CPU
 		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
 		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.RelWithDebInfo|Any CPU.ActiveCfg = RelWithDebInfo|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.RelWithDebInfo|Any CPU.Build.0 = RelWithDebInfo|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.RelWithDebInfo|x86.ActiveCfg = RelWithDebInfo|Any CPU
+		{9F6D7DE8-185B-4C1D-B809-3314D092DF28}.RelWithDebInfo|x86.Build.0 = RelWithDebInfo|Any CPU
 		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Debug|x64.ActiveCfg = Debug|Any CPU
 		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Debug|x64.Build.0 = Debug|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Debug|x86.Build.0 = Debug|Any CPU
 		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
 		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.MinSizeRel|Any CPU.Build.0 = MinSizeRel|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.MinSizeRel|x86.ActiveCfg = MinSizeRel|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.MinSizeRel|x86.Build.0 = MinSizeRel|Any CPU
 		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Release|x64.ActiveCfg = Release|Any CPU
 		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Release|x64.Build.0 = Release|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Release|x86.ActiveCfg = Release|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.Release|x86.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
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.RelWithDebInfo|Any CPU.ActiveCfg = RelWithDebInfo|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.RelWithDebInfo|Any CPU.Build.0 = RelWithDebInfo|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.RelWithDebInfo|x86.ActiveCfg = RelWithDebInfo|Any CPU
+		{6BD3F6D8-B6FC-44E8-B8FE-06352F638B9B}.RelWithDebInfo|x86.Build.0 = RelWithDebInfo|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|x64.Build.0 = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Debug|x86.Build.0 = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|Any CPU.Build.0 = MinSizeRel|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|x86.ActiveCfg = MinSizeRel|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.MinSizeRel|x86.Build.0 = MinSizeRel|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|x64.ActiveCfg = Release|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|x64.Build.0 = Release|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|Any CPU.Build.0 = Release|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|x86.ActiveCfg = Release|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.Release|x86.Build.0 = Release|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|Any CPU.ActiveCfg = RelWithDebInfo|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|Any CPU.Build.0 = RelWithDebInfo|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|x86.ActiveCfg = RelWithDebInfo|Any CPU
+		{39AEA075-6457-46C0-8821-1158BE6EFA57}.RelWithDebInfo|x86.Build.0 = RelWithDebInfo|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Debug|x64.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Debug|x86.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.MinSizeRel|x64.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.MinSizeRel|x64.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.MinSizeRel|Any CPU.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.MinSizeRel|Any CPU.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.MinSizeRel|x86.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.MinSizeRel|x86.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Release|x64.ActiveCfg = Release|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Release|x64.Build.0 = Release|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Release|x86.ActiveCfg = Release|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.Release|x86.Build.0 = Release|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.RelWithDebInfo|x64.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.RelWithDebInfo|x64.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.RelWithDebInfo|Any CPU.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.RelWithDebInfo|Any CPU.Build.0 = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.RelWithDebInfo|x86.ActiveCfg = Debug|Any CPU
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7}.RelWithDebInfo|x86.Build.0 = Debug|Any CPU
 	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}
@@ -215,8 +532,15 @@ 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}
+		{F3DC52D7-8C59-4EC0-86D9-0E5732EAFCF7} = {C09ED521-D2DF-40BC-A76F-EB3CB870B2F6}
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {422D1620-0166-4C26-9A81-CA8A2EB1AB58}
+	EndGlobalSection
+	GlobalSection(Performance) = preSolution
+		HasPerformanceSessions = true
 	EndGlobalSection
 EndGlobal

cmake/Protobuf.cmake

@@ -1,164 +0,0 @@
-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

@@ -1,7 +1,7 @@
 services:
   sparkd:
     volumes:
-      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/sparkdata/data
+      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
     build:
       dockerfile: src/app_sparkd/Dockerfile
       args:
@@ -12,19 +12,19 @@ services:
     shm_size: "${SPARKD__SHM_SIZE:-512mb}"
     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_$(date '+%Y%m%d-%H%M')"
+        echo bts | sudo -S chown -R bts:bts /home/bts/.local/share/bts/sparkd/data
+        if [ -e "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log" ]; then
+          mv "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log" "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log_$(date '+%Y%m%d-%H%M')"
         fi
-        if [ -e "/home/bts/sparkdata/conf/.env.local" ]; then
-          echo 'Sourcing /home/bts/sparkdata/conf/.env.local'
+        if [ -e "/home/bts/.local/share/bts/conf/.env.local" ]; then
+          echo 'Sourcing /home/bts/.local/share/bts/conf/.env.local'
           set -a
-          . /home/bts/sparkdata/conf/.env.local
+          . /home/bts/.local/share/bts/sparkd/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/
+        if [ -d /home/bts/.local/share/bts/sparkd/conf/plugins ]; then
+          echo 'Copying /home/bts/.local/share/bts/sparkd/conf/plugins to runtime dir (/home/bts/bin)'
+          cp -r /home/bts/.local/share/bts/sparkd/conf/plugins /home/bts/bin/
         fi
         ./sparkd run"
     env_file:
@@ -41,8 +41,8 @@ services:
 
   sparkd-symbols:
     volumes:
-      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/sparkdata/data
-      - ${SPARKD__RUNTIME_CONF_DIR:-sparkd_conf}:/home/bts/sparkdata/conf
+      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
+      - ${SPARKD__RUNTIME_CONF_DIR:-sparkd_conf}:/home/bts/.local/share/bts/sparkd/conf
     build:
       dockerfile: src/app_sparkd/Dockerfile
       args:
@@ -53,21 +53,21 @@ services:
     shm_size: "${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_$(date '+%Y%m%d-%H%M')"
+        echo bts | sudo -S chown -R bts:bts /home/bts/.local/share/bts/sparkd
+        if [ -e "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log" ]; then
+          mv "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log" "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log_$(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'
+        ls -alh /home/bts/.local/share/bts/sparkd/conf/
+        cat /home/bts/.local/share/bts/sparkd/conf/.env.local
+        if [ -e "/home/bts/.local/share/bts/sparkd/conf/.env.local" ]; then
+          echo 'Sourcing /home/bts/.local/share/bts/sparkd/conf/.env.local'
           set -a
-          . /home/bts/sparkdata/conf/.env.local
+          . /home/bts/.local/share/bts/sparkd/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/
+        if [ -d /home/bts/.local/share/bts/sparkd/conf/plugins ]; then
+          echo 'Copying /home/bts/.local/share/bts/sparkd/conf/plugins to runtime dir (/home/bts/bin)'
+          cp -r /home/bts/.local/share/bts/sparkd/conf/plugins /home/bts/bin/
         fi
         ./sparkd run"
     env_file:
@@ -86,15 +86,15 @@ services:
           memory: "${SPARKD__MEMORY:-4gb}"
 
   sparkd-tail:
-    image: bluetradingsystems/linux_dotnet7
+    image: bluetradingsystems/linux_dotnet8
     volumes:
       - type: volume
         read_only: true
         source: sparkd_data
-        target: /home/bts/sparkdata/data/logging.sparkd
+        target: /home/bts/.local/share/bts/sparkd/data/logging.sparkd
         volume:
           subpath: logging.sparkd
-    command: ["tail", "-f", "/home/bts/sparkdata/data/logging.sparkd/log"]
+    command: ["tail", "-f", "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log"]
 
   sparkd-ping-test:
     depends_on:
@@ -104,11 +104,94 @@ services:
     build:
       context: .
       dockerfile_inline: |
-        FROM bluetradingsystems/linux_dotnet7
+        FROM bluetradingsystems/linux_dotnet8
         USER "root"
         RUN apt-get update && apt-get -y install iputils-ping
     command: [ "ping", "sparkd" ]
 
+  pubsub:
+    volumes:
+      - ${PUBSUB__DATA_DIR:-pubsub_data}:/home/bts/.local/share/bts/pubsub/data
+    build:
+      dockerfile: src/DataStreamSuite/PubSubServer/Dockerfile
+      args:
+        - SOURCE_DIR=${PUBSUB__SOURCE_DIR}
+        - CONFIG_DIR=${PUBSUB__CONFIG_DIR}
+    ports:
+      - 22019:22019
+    command: >
+      sh -c "
+        echo bts | sudo -S chown -R bts:bts /home/bts/.local/share/bts/pubsub/data
+        if [ -e "/home/bts/.local/share/bts/pubsub/data/logging.PubSubServer/log" ]; then
+          mv "/home/bts/.local/share/bts/pubsub/data/logging.PubSubServer/log" "/home/bts/.local/share/bts/pubsub/data/logging.PubSubServer/log_$(date '+%Y%m%d-%H%M')"
+        fi
+        if [ -e "/home/bts/.local/share/bts/pubsub/conf/.env" ]; then
+          echo 'Sourcing /home/bts/.local/share/bts/pubsub/conf/.env'
+          set -a
+          . /home/bts/.local/share/bts/pubsub/conf/.env
+          set +a
+        fi
+        if [ -e "/home/bts/.local/share/bts/pubsub/conf/.env.local" ]; then
+          echo 'Sourcing /home/bts/.local/share/bts/pubsub/conf/.env.local'
+          set -a
+          . /home/bts/.local/share/bts/pubsub/conf/.env.local
+          set +a
+        fi
+        ./PubSubServer"
+    env_file:
+      - .env
+      - ${PUBSUB__CONFIG_DIR}/.env
+
+  md-publisher:
+    volumes:
+      - ${MD_PUBLISHER__DATA_DIR:-md_publisher_data}:/home/bts/.local/share/bts/md_publisher/data
+      - historic_md:/home/bts/.local/share/bts/md_publisher/data/databento
+    build:
+      dockerfile: src/DataStreamSuite/DataStreamPublisher/Dockerfile
+      args:
+        - SOURCE_DIR=${MD_PUBLISHER__SOURCE_DIR}
+        - CONFIG_DIR=${MD_PUBLISHER__CONFIG_DIR}
+    command: >
+      sh -c "
+        echo bts | sudo -S chown -R bts:bts /home/bts/.local/share/bts/md_publisher/data
+        if [ -e "/home/bts/.local/share/bts/md_publisher/data/logging.DataStreamPublisher/log" ]; then
+          mv "/home/bts/.local/share/bts/md_publisher/data/logging.DataStreamPublisher/log" "/home/bts/.local/share/bts/md_publisher/data/logging.DataStreamPublisher/log_$(date '+%Y%m%d-%H%M')"
+        fi
+        if [ -e "/home/bts/.local/share/bts/md_publisher/conf/.env" ]; then
+          echo 'Sourcing /home/bts/.local/share/bts/md_publisher/conf/.env'
+          set -a
+          . /home/bts/.local/share/bts/md_publisher/conf/.env
+          set +a
+        fi
+        if [ -e "/home/bts/.local/share/bts/md_publisher/conf/.env.local" ]; then
+          echo 'Sourcing /home/bts/.local/share/bts/md_publisher/conf/.env.local'
+          set -a
+          . /home/bts/.local/share/bts/md_publisher/conf/.env.local
+          set +a
+        fi
+      dockerize -wait tcp://pubsub:22019 -timeout 10s ./DataStreamPublisher"
+    env_file:
+      - .env
+      - ${MD_PUBLISHER__CONFIG_DIR}/.env
+
+  api-server:
+    depends_on:
+      - sparkd
+    ports:
+      - 8008:8008
+      - 9443:9443
+    build:
+      dockerfile: src/client/spark_api_server/Dockerfile
+    command: [ "dockerize", "-wait", "tcp://sparkd:8000", "-timeout", "10s", "./spark_api_server", "run" ]
+    environment:
+      - ASPNETCORE_ENVIRONMENT=Staging
+
 volumes:
   sparkd_data:
     name: "sparkd_${SPARKD__CONFIG_PORT:-8000}"
+  pubsub_data:
+    name: "pubsub_22019"
+  md_publisher_data:
+    name: "md_publisher_22019"
+  historic_md:
+    name: "historic_md"

docker/images/bluetradingsystems/linux_dotnet8/Dockerfile

@@ -0,0 +1,38 @@
+FROM ubuntu:22.04
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y pkg-config
+RUN apt-get update && apt-get install -y locales
+RUN apt-get update && apt-get install -y ca-certificates
+RUN apt-get update && apt-get install -y libssh2-1-dev
+RUN apt-get update && apt-get install -y software-properties-common
+RUN apt-get update && apt-get install -y sudo
+
+# GCC
+ARG gcc_major=13
+RUN add-apt-repository ppa:ubuntu-toolchain-r/test \
+  && apt-get update \
+  && apt-get install -y g++-$gcc_major
+
+RUN apt-get update \
+  && apt-get install -y dotnet8
+
+RUN locale-gen en_US.UTF-8
+
+ARG docker_user="bts"
+ARG docker_uid="1000"
+ARG docker_pass="bts"
+
+RUN \
+  groupadd -g "$docker_uid" "$docker_user" \
+  && useradd \
+  -m \
+  -u "$docker_uid" \
+  -g "$docker_uid" \
+  -G sudo \
+  --password "$(openssl passwd -1 "$docker_pass")" \
+  "$docker_user"
+
+USER bts
+WORKDIR /home/bts

spark_client.sln

@@ -1,14 +1,15 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
+
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.3.32922.545
 MinimumVisualStudioVersion = 15.0.26124.0
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_api", "src\client\spark_api\spark_api.csproj", "{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Bts.Spark.Api", "src\cs\Bts.Spark.Api\Bts.Spark.Api.csproj", "{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Spark", "src\client\spark\Spark.csproj", "{9A4D4D07-1AB6-4B2B-B111-A4F34D6C267E}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Spark.Console", "src\client\Spark.Console\Spark.Console.csproj", "{387566C6-C6F6-412C-A30C-9855BBCB4816}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_core", "src\client\spark_core\spark_core.csproj", "{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Bts.Spark.Core", "src\cs\Bts.Spark.Core\Bts.Spark.Core.csproj", "{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_sdk", "src\client\spark_sdk\spark_sdk.csproj", "{6963C314-83C4-4667-B0D0-C2F7AE208C29}"
 EndProject
@@ -26,114 +27,375 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharedStreams", "src\DataSt
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PubSub", "src\DataStreamSuite\PubSub\PubSub.csproj", "{51C40BA9-F226-4A35-939D-1ED6F5FF7299}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{827E0CD3-B72D-47B6-A68D-7590B98EB39B}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "DataStreamSuite", "DataStreamSuite", "{60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Net", "src\DataStreamSuite\Bts.Net\Bts.Net.csproj", "{5DE3B533-DCE6-4BF4-8F7E-08C440E177B4}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Extensions.Hosting", "src\DataStreamSuite\Bts.Extensions.Hosting\Bts.Extensions.Hosting.csproj", "{90A48718-F6A7-4747-97EA-89632B451008}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
+		Debug|Any CPU = Debug|Any CPU
+		Debug|x86 = Debug|x86
 		MinSizeRel|x64 = MinSizeRel|x64
+		MinSizeRel|Any CPU = MinSizeRel|Any CPU
+		MinSizeRel|x86 = MinSizeRel|x86
 		Release|x64 = Release|x64
+		Release|Any CPU = Release|Any CPU
+		Release|x86 = Release|x86
 		RelWithDebInfo|x64 = RelWithDebInfo|x64
+		RelWithDebInfo|Any CPU = RelWithDebInfo|Any CPU
+		RelWithDebInfo|x86 = RelWithDebInfo|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|x64.ActiveCfg = Debug|x64
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|x64.Build.0 = Debug|x64
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|x86.Build.0 = Debug|Any CPU
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|x64.ActiveCfg = Release|x64
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|x64.Build.0 = Release|x64
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|Any CPU.Build.0 = MinSizeRel|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|x86.ActiveCfg = MinSizeRel|Any CPU
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|x86.Build.0 = MinSizeRel|Any CPU
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|x64.ActiveCfg = Release|x64
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|x64.Build.0 = Release|x64
+		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|Any CPU.ActiveCfg = Release|Any CPU
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 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{60E0D592-FFB3-0D0A-C4AA-E88919B48F9D} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
+		{5DE3B533-DCE6-4BF4-8F7E-08C440E177B4} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{90A48718-F6A7-4747-97EA-89632B451008} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {422D1620-0166-4C26-9A81-CA8A2EB1AB58}
 	EndGlobalSection

src/DataStreamSuite/ArithmeticExpressions/ArithmeticExpressionGrammar.y

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

src/DataStreamSuite/ArithmeticExpressions/ArithmeticExpressions.csproj

@@ -4,6 +4,7 @@
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <Version>$(SparkVersion)</Version>
   </PropertyGroup>
 
   <ItemGroup>
@@ -11,10 +12,20 @@
     <PackageReference Include="YaccLexTools" Version="1.2.2" />
   </ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
+  <Choose>
+    <When Condition="'$(UseProjectRefs)' == 'true'">
+      <ItemGroup>
+        <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
+        <ProjectReference Include="..\..\cs\Bts.Spark.Core\Bts.Spark.Core.csproj" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PackageReference Include="ExpressionCore" Version="$(SparkVersion)" />
+        <PackageReference Include="Bts.Spark.Core" Version="$(SparkVersion)" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
 
   <ItemGroup Label="ArithmeticExpression">
     <Scanner Include="ArithmeticExpressionTokens.lex" />

src/DataStreamSuite/BaseUtilities/BaseUtilities.csproj

@@ -4,10 +4,7 @@
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <Version>$(SparkVersion)</Version>
   </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
-
+  
 </Project>

src/DataStreamSuite/BlueRegistry/DoubleRegistryHandler.cs

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

src/DataStreamSuite/BooleanExpressions/Arguments/ArgumentComparer.cs

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

src/DataStreamSuite/BooleanExpressions/BooleanExpression.cs

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

src/DataStreamSuite/BooleanExpressions/BooleanExpressionTokens.lex

@@ -47,11 +47,6 @@ IsOfType                 '/'
 
 %%
 
-{StringConstant} {
-   yylval.String = yytext.Substring(1, yytext.Length - 2).Replace(@"\'", "'");
-   return (int)Token.STRING_CONSTANT;
-} 
-
 {BooleanConstant} {
    yylval.Boolean = yytext.ToLower() switch {
       "true" => true,
@@ -62,6 +57,11 @@ IsOfType                 '/'
    return (int)Token.BOOLEAN_CONSTANT;
 }
 
+{StringConstant} {
+   yylval.String = yytext.Substring(1, yytext.Length - 2).Replace(@"\'", "'");
+   return (int)Token.STRING_CONSTANT;
+} 
+
 {NullConstant} {
    yylval.Null = DBNull.Value;
    return (int)Token.NULL_CONSTANT;

src/DataStreamSuite/BooleanExpressions/BooleanExpressions.csproj

@@ -4,6 +4,7 @@
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <Version>$(SparkVersion)</Version>
   </PropertyGroup>
 
   <ItemGroup>
@@ -11,10 +12,20 @@
     <PackageReference Include="YaccLexTools" Version="1.2.3" />
   </ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
+  <Choose>
+    <When Condition="'$(UseProjectRefs)' == 'true'">
+      <ItemGroup>
+        <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
+        <ProjectReference Include="..\..\cs\Bts.Spark.Core\Bts.Spark.Core.csproj" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PackageReference Include="ExpressionCore" Version="$(SparkVersion)" />
+        <PackageReference Include="Bts.Spark.Core" Version="$(SparkVersion)" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
   
   <ItemGroup>
     <Scanner Include="BooleanExpressionTokens.lex" />

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

@@ -4,17 +4,27 @@
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <Version>$(SparkVersion)</Version>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="YaccLexTools" Version="1.2.2" />
   </ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
-    <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
+  <Choose>
+    <When Condition="'$(UseProjectRefs)' == 'true'">
+      <ItemGroup>
+        <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
+        <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PackageReference Include="DataStreamCore" Version="$(SparkVersion)" />
+        <PackageReference Include="ExpressionCore" Version="$(SparkVersion)" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
 
   <ItemGroup Label="ColumnExpression">
     <Scanner Include="ColumnExpressionTokens.lex" />

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

@@ -4,17 +4,27 @@
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <Version>$(SparkVersion)</Version>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="YaccLexTools" Version="1.2.2" />
   </ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
-    <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
+  <Choose>
+    <When Condition="'$(UseProjectRefs)' == 'true'">
+      <ItemGroup>
+        <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
+        <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PackageReference Include="DataStreamCore" Version="$(SparkVersion)" />
+        <PackageReference Include="ExpressionCore" Version="$(SparkVersion)" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
 
   <ItemGroup Label="ColumnSortExpression">
     <Scanner Include="ColumnSortExpressionTokens.lex" />

src/DataStreamSuite/Bts.Extensions.Hosting/Bts.Extensions.Hosting.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <Version>$(SparkVersion)</Version>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.0" />
+  </ItemGroup>
+
+</Project>

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

@@ -0,0 +1,78 @@
+namespace Bts.Extensions.Hosting;
+
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+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 new HostBuilder()
+         .ConfigureAppConfiguration((context, configBuilder) =>
+         ConfigureApp(configBuilder, context.HostingEnvironment.EnvironmentName, exeName, args, true));
+   }
+
+   public static void ConfigureApp(IConfigurationBuilder configBuilder, string? environment = null, string? prefix = null, string[]? args = null, bool addDefaultConfigSources = false) {
+      if (addDefaultConfigSources) {
+         configBuilder.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);
+      }
+      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);
+      }
+      if (addDefaultConfigSources) {
+         configBuilder.AddEnvironmentVariables();
+         configBuilder.AddCommandLine(args ?? Environment.GetCommandLineArgs().Skip(1).ToArray());
+      }
+
+      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 void ConfigureLogging(ILoggingBuilder loggingBuilder, ILoggerProvider loggerProvider) =>
+      loggingBuilder.AddFilter("Microsoft", LogLevel.Warning)
+         .AddFilter("System", LogLevel.Warning)
+         .AddFilter("NToastNotify", LogLevel.Warning)
+         .AddProvider(loggerProvider)
+         .AddSimpleConsole(opts => {
+            opts.SingleLine = true;
+            opts.TimestampFormat = "yyyy-MM-dd HH:mm:ss.ffffff|";
+         })
+         .AddDebug();
+
+   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

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <Version>$(SparkVersion)</Version>
+  </PropertyGroup>
+
+</Project>

src/DataStreamSuite/Bts.Net/HostComparer.cs

@@ -0,0 +1,28 @@
+namespace Bts.Net;
+
+using System.Linq;
+using System.Net;
+
+/// <summary>
+/// Provides facilities to compare hosts for equality.
+/// <para>
+/// This class doesn't implement IEqualityComparer because a consistent hash code cannot be
+/// guarenteed for equivalent host strings. The equals impl relies on Dns.GetHostAddresses, which
+/// is non-determinstic (implementations that depends on mutable properties face a similar problem).
+/// </para>
+/// </summary>
+public class HostComparer {
+   public static bool Equals(string? x, string? y) {
+      if (x is null) {
+         return y is null;
+      }
+      if (y is null) {
+         return false;
+      }
+      return Dns.GetHostAddresses(x).Intersect(
+         Dns.GetHostAddresses(y), IpAddressComparer.Instance).Any();
+   }
+
+   public static bool Equals(IPHostEntry x, IPHostEntry y) =>
+      x.AddressList.Intersect(y.AddressList, IpAddressComparer.Instance).Any();
+}

src/DataStreamSuite/Bts.Net/IpAddressComparer.cs

@@ -0,0 +1,30 @@
+namespace Bts.Net;
+
+using System.Diagnostics.CodeAnalysis;
+using System.Net;
+
+/// <summary>
+/// Compares ip addresses. Unlike the default comparer, v4 and equivalent v6 addresses are
+/// considered equal.
+/// </summary>
+public class IpAddressComparer : IEqualityComparer<IPAddress> {
+   public static IEqualityComparer<IPAddress> Instance { get; } = new IpAddressComparer();
+
+   public bool Equals(IPAddress? x, IPAddress? y) {
+      if (x is null) {
+         return y is null;
+      }
+      if (y is null) {
+         return false;
+      }
+      return x.Equals(y) ||
+         (x.IsIPv4MappedToIPv6 && x.MapToIPv4().Equals(y)) ||
+         (y.IsIPv4MappedToIPv6 && y.MapToIPv4().Equals(x));
+   }
+
+   public int GetHashCode([DisallowNull] IPAddress address) =>
+      address.IsIPv4MappedToIPv6
+         // Return consistent hash code for v4 and equivalent v6
+         ? address.MapToIPv4().GetHashCode()
+         : address.GetHashCode();
+}

src/DataStreamSuite/Bts.Net/IpHostEntryJsonConverter.cs

@@ -0,0 +1,33 @@
+namespace Bts.Net;
+
+using System;
+using System.Net;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+public class IpHostEntryJsonConverter : JsonConverter<IPHostEntry> {
+   public override IPHostEntry? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) {
+      throw new NotImplementedException();
+   }
+
+   public override void Write(Utf8JsonWriter writer, IPHostEntry value, JsonSerializerOptions options) {
+      writer.WriteStartObject();
+      // HostName
+      writer.WriteString(nameof(value.HostName), value.HostName);
+      // Aliases
+      writer.WritePropertyName("Aliases");
+      writer.WriteStartArray();
+      foreach (var alias in value.Aliases) {
+         writer.WriteStringValue(alias);
+      }
+      writer.WriteEndArray();
+      // Addresses
+      writer.WritePropertyName("Addresses");
+      writer.WriteStartArray();
+      foreach (var address in value.AddressList) {
+         writer.WriteStringValue(address.ToString());
+      }
+      writer.WriteEndArray();
+      writer.WriteEndObject();
+   }
+}

src/DataStreamSuite/Bts.Net/IpHostEntryJsonSerializer.cs

@@ -0,0 +1,39 @@
+namespace Bts.Net;
+
+using System;
+using System.IO;
+using System.Net;
+using System.Text;
+using System.Text.Json;
+
+/// <summary>
+/// This class seriailzes IpHostEntry to json (string). A common buffer is used to reduce memory
+/// allocations on repeated calls to <see cref="Serialize"/>. For that reason, this class is NOT
+/// thread safe.
+/// </summary>
+public class IpHostEntryJsonSerializer {
+   readonly MemoryStream buffer = new();
+   readonly IpHostEntryJsonConverter converter;
+
+   public IpHostEntryJsonSerializer(IpHostEntryJsonConverter? converter = null) =>
+      this.converter = converter ?? new() { };
+
+   public string? Serialize(IPHostEntry dp, JsonSerializerOptions? opts = null) {
+      opts ??= JsonSerializerOptions.Default;
+      buffer.Position = 0;
+      buffer.SetLength(0);
+      using (var jsonWriter = new Utf8JsonWriter(buffer)) {
+         converter.Write(jsonWriter, dp, opts);
+      }
+      var bytes = buffer.GetBuffer();
+      var span = new ArraySegment<byte>(bytes, 0, (int)buffer.Length);
+      return Encoding.UTF8.GetString(span);
+   }
+
+   public void Serialize(IPHostEntry dp, Utf8JsonWriter jsonWriter, JsonSerializerOptions? opts = null) {
+      opts ??= JsonSerializerOptions.Default;
+      buffer.Position = 0;
+      buffer.SetLength(0);
+      converter.Write(jsonWriter, dp, opts);
+   }
+}

src/DataStreamSuite/Bts.Net/IpUtils.cs

@@ -0,0 +1,94 @@
+namespace Bts.Net;
+
+using System.Diagnostics.CodeAnalysis;
+using System.Net;
+using System.Text.RegularExpressions;
+
+public static partial class IpUtils {
+   static readonly Regex ipv4Regex = new(string.Join('.', @"(((0|1)\d)|(2\d)|\d)?\d"));
+
+   // public static void ParseUri(string str, out string? scheme, out string? host, out string? port, out string? path, out string? queryParams) {
+   //    if (Uri.TryCreate(str, UriKind.Absolute, out var uri)) {
+   //    }
+   // }
+
+   // public static bool AreEndpointsEqual(Uri? x, Uri? y) {
+   //    if (x is null) {
+   //       return y is null;
+   //    }
+   //    if (y is null) {
+   //       return false;
+   //    }
+   //    if (x.IsAbsoluteUri != y.IsAbsoluteUri) {
+   //       return false;
+   //    }
+   //    if (x.IsAbsoluteUri) {
+   //       if (x.Scheme != y.Scheme) {
+   //          return false;
+   //       }
+   //    }
+   //    string? xHost = null;
+   // }
+
+   // static string ResolveHostIpv4(Uri uri) {
+   //    // switch (uri.HostNameType) {
+   //    //    case UriHostNameType.IPv4:
+   //    //       return uri.Host;
+   //    //    case UriHostNameType.Dns:
+   //    //       break;
+   //    //    case UriHostNameType.IPv6:
+   //    //       var addresses = Dns.GetHostAddresses(uri.Host);
+   //    //       foreach (var address in addresses) {
+   //    //          if (address.IsIPv4MappedToIPv6) {
+   //    //             return address.MapToIPv4().Address;
+   //    //          }
+   //    //       }
+   //    //       break;
+   //    // }
+   //    var hostAddresses = Dns.GetHostAddresses(uri.Host);
+   //    foreach (IPAddress address in hostAddresses) {
+   //       if (address.Equals(remoteEndPoint.Address) ||
+   //           (address.IsIPv4MappedToIPv6 && address.MapToIPv4().Equals(remoteEndPoint.Address)) ||
+   //           (remoteEndPoint.Address.IsIPv4MappedToIPv6 && remoteEndPoint.Address.MapToIPv4().Equals(address))) {
+   //          isMatch = true;
+   //          break;
+   //       }
+   //    }
+   // }
+
+   // public static bool AreEndpointsEqual(string? x, string? y) {
+   //    if (x == y) {
+   //       return true;
+   //    }
+   //    if (x is null) {
+   //       return y is null;
+   //    }
+   //    if (y is null) {
+   //       return false;
+   //    }
+   //    var xUri = new Uri(x);
+   //    var yUri = new Uri(y);
+   //    // return xUri.Equals(yUri);
+   // }
+
+   public static bool IsIpv4(string host) {
+      host = removeSchemaFromUrl(host);
+      host = removePortFromUrl(host);
+      return ipv4Regex.IsMatch(host);
+   }
+
+   static string removeSchemaFromUrl(string url) {
+      var i = url.IndexOf("://");
+      return i < 0 ? url : url.Substring(i + 3);
+   }
+
+   static string removePortFromUrl(string url) {
+      var match = MyRegex().Match(url);
+      return match.Success
+         ? string.Concat(url.AsSpan(0, match.Index), url.AsSpan(match.Index + match.Length))
+         : url;
+   }
+
+   [GeneratedRegex(":\\d{1,4}")]
+   private static partial Regex MyRegex();
+}

src/DataStreamSuite/ColumnMapExpressions/ColumnMapExpressions.csproj

@@ -4,18 +4,25 @@
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <Version>$(SparkVersion)</Version>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.24.3" />
     <PackageReference Include="YaccLexTools" Version="1.2.2" />
   </ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
-    <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
+  <Choose>
+    <When Condition="'$(UseProjectRefs)' == 'true'">
+      <ItemGroup>
+        <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PackageReference Include="ExpressionCore" Version="$(SparkVersion)" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
 
   <ItemGroup Label="ColumnMapExpression">
     <Scanner Include="ColumnMapExpressionTokens.lex" />

src/DataStreamSuite/DataStream/BlueOrb/DateTimeExpanderStream.cs

@@ -15,6 +15,7 @@ namespace bts.BlueOrb {
             rv = rv.add_column(System.TypeCode.Int32, $"{inp_col}_hour");
             rv = rv.add_column(System.TypeCode.Int32, $"{inp_col}_minute");
             rv = rv.add_column(System.TypeCode.Int32, $"{inp_col}_seconds_of_day");
+            rv = rv.add_column(System.TypeCode.Int32, $"{inp_col}_year");
             return rv;
          };
          ViewStream rs = new MapStream(parent_stream,
@@ -30,6 +31,7 @@ namespace bts.BlueOrb {
             rv.setValue($"{inp_col}_hour", dt.Hour);
             rv.setValue($"{inp_col}_minute", dt.Minute);
             rv.setValue($"{inp_col}_seconds_of_day", (dt - dt.Date).TotalSeconds);
+            rv.setValue($"{inp_col}_year", dt.Date.Year);
             return rv;
          });
          mySetRealSource(rs);

src/DataStreamSuite/DataStream/BlueOrb/UnionStream.cs

@@ -5,7 +5,8 @@ namespace bts.BlueOrb {
    using mbts;
    using BCG;
 
-   [DataStreamUserRespresentation("UnionStream")]
+   // [DataStreamUserRespresentation("UnionStream")]
+   [DataStreamUserRespresentation("AppendStream")]
    public class UnionStream : ViewStream {
       public UnionStream(ViewStream left_stream, ViewStream right_stream) {
          ViewStream rs = new BCG.MutableAppendStream(left_stream, right_stream);

src/DataStreamSuite/DataStream/DataStream.csproj

@@ -3,19 +3,9 @@
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
     <Nullable>enable</Nullable>
+    <Version>$(SparkVersion)</Version>
   </PropertyGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\ArithmeticExpressions\ArithmeticExpressions.csproj" />
-    <ProjectReference Include="..\BaseUtilities\BaseUtilities.csproj" />    
-    <ProjectReference Include="..\BooleanExpressions\BooleanExpressions.csproj" />
-    <ProjectReference Include="..\Bts.ColumnExpressions\Bts.ColumnExpressions.csproj" />
-    <ProjectReference Include="..\Bts.ColumnSortExpressions\Bts.ColumnSortExpressions.csproj" />
-    <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
-    <ProjectReference Include="..\DataStreamExpressions\DataStreamExpressions.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="HtmlAgilityPack" Version="1.11.57" />
     <PackageReference Include="IronPython" Version="3.4.2" />
@@ -27,4 +17,27 @@
     <PackageReference Include="MathNet.Numerics" Version="5.0.0" />
   </ItemGroup>
 
+  <Choose>
+    <When Condition="'$(UseProjectRefs)' == 'true'">
+      <ItemGroup>
+        <ProjectReference Include="..\ArithmeticExpressions\ArithmeticExpressions.csproj" />
+        <ProjectReference Include="..\BaseUtilities\BaseUtilities.csproj" />    
+        <ProjectReference Include="..\BooleanExpressions\BooleanExpressions.csproj" />
+        <ProjectReference Include="..\Bts.ColumnExpressions\Bts.ColumnExpressions.csproj" />
+        <ProjectReference Include="..\Bts.ColumnSortExpressions\Bts.ColumnSortExpressions.csproj" />
+        <ProjectReference Include="..\DataStreamExpressions\DataStreamExpressions.csproj" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PackageReference Include="ArithmeticExpressions" Version="$(SparkVersion)" />
+        <PackageReference Include="BaseUtilities" Version="$(SparkVersion)" />
+        <PackageReference Include="BooleanExpressions" Version="$(SparkVersion)" />
+        <PackageReference Include="Bts.ColumnExpressions" Version="$(SparkVersion)" />
+        <PackageReference Include="Bts.ColumnSortExpressions" Version="$(SparkVersion)" />
+        <PackageReference Include="DataStreamExpressions" Version="$(SparkVersion)" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
+
 </Project>

src/DataStreamSuite/DataStream/DataStreamExtensions.cs

@@ -59,16 +59,16 @@ public static class DataStreamExtensions {
    public static IObservable<TableUpdate<T, TKey>> AsTables<T, TKey>(
       this IObservable<IDataPacket> source, Func<IBlueRow, T> valueSelector, Func<T, TKey> keySelector, Func<IBlueRow, TKey>? rowKeySelector = null) where TKey : IEquatable<TKey> {
       rowKeySelector ??= r => keySelector(valueSelector(r));
-      return source.Scan(TableUpdate<T, TKey>.mk_empty(keySelector), (res, dp) => {
-         var bd = res.to_builder();
+      return source.Scan(TableUpdate<T, TKey>.Empty(keySelector), (res, dp) => {
+         var bd = res.ToBuilder();
          dp.get_new_added_deleted(out var newRows, out var addedRows, out var deletedRows);
          foreach (IBlueRow r in addedRows) {
-            bd.add_or_update(valueSelector(r));
+            bd.AddOrUpdate(valueSelector(r));
          }
          foreach (IBlueRow r in deletedRows) {
-            bd.remove(rowKeySelector(r));
+            bd.Remove(rowKeySelector(r));
          }
-         return bd.to_table();
+         return bd.ToImmutable();
       });
    }
 
@@ -78,16 +78,16 @@ public static class DataStreamExtensions {
          (res, table) => {
             var resTable = res.Table;
             if (resTable is null) {
-               if (table.state.Count == 0) {
+               if (table.Index.Count == 0) {
                   return (null, null);
                }
-               resTable = new(table.state.Values.First().schema);
+               resTable = new(table.Index.Values.First().schema);
             }
             var bd = resTable.ToDataPacketBuilder();
-            foreach (var r in table.removed) {
+            foreach (var r in table.RemovedItems) {
                bd.Remove(r.Id());
             }
-            foreach (var r in table.added) {
+            foreach (var r in table.AddedItems) {
                bd.AddOrUpdate(r);
             }
             var resDp = bd.ToDataPacket(out var newRows);
@@ -101,10 +101,10 @@ public static class DataStreamExtensions {
          (Table: new BlueTableImmutable(schema), Dp: (IDataPacket)new DataPacket(schema)),
          (res, table) => {
             var bd = res.Table.ToDataPacketBuilder();
-            foreach (var r in table.removed) {
+            foreach (var r in table.RemovedItems) {
                bd.Remove(r.Id());
             }
-            foreach (var r in table.added) {
+            foreach (var r in table.AddedItems) {
                bd.AddOrUpdate(r);
             }
             var resDp = bd.ToDataPacket(out var newRows);

src/DataStreamSuite/DataStream/Misc/DSLStream.cs

@@ -3,6 +3,7 @@ namespace bts.BlueOrb {
    using BCG;
    using System.Collections.Generic;
    using Bts.DataStreamExpressions;
+   using System.Xml;
 
    // All this does is take in a dsl expression, parse it and fire the data that come out of running it.
    // So for example, if an expresison is passed 
@@ -11,9 +12,10 @@ namespace bts.BlueOrb {
       private readonly string _dsl;
       public DSLStream(string dsl) {
          Log.Gen.info($"DSLStream.cons dsl: {dsl}");
+         // Remove all colons
+         string sanitizedDsl = dsl.Replace(":", "COLON");
          _dsl = dsl;
-         ViewStream rs = build_stream(dsl);
-         rs = rs ?? new LiteralStream("error", $"msg:invalid dsl \"{dsl}\"");
+         ViewStream rs = build_stream(dsl) ?? new LiteralStream("error", $"msg:invalid dsl");
          mySetRealSource(rs);
       }
 
@@ -24,6 +26,7 @@ namespace bts.BlueOrb {
             return rv;
 
          } catch (Exception ex) {
+            //send to blueorb
             Log.Gen.error($"Could not build stream: {stream_expression} ex: {ex}");
             return null;
          }

src/DataStreamSuite/DataStream/Offloading/RemoteQueryManager.cs

@@ -1,16 +1,25 @@
+using bts;
+
+using Bts.DataStream;
+using Bts.DataStreamCore;
+using Bts.DataStreamExpressions;
+using Bts.PubSub;
+
+using Microsoft.Extensions.Hosting;
+
+using Spark.Core.Disposables;
+
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Text;
-using System.Runtime.InteropServices;
-using Bts.DataStreamExpressions;
-using BCG.Utilities.General;
-using bts;
+using System.Reactive.Linq;
+using System.Threading;
+using System.Threading.Tasks;
 
 namespace BCG {
    // listens to the requests posted on "cloud_streams" request table, and 
    // if unfulfilled starts a ViewPubsliher
-   public class RemoteQueryManager : IWorker {
+   public class RemoteQueryManager : IHostedService {
       public class StreamPubUnit {
          public string name;
          public string stream_expression;
@@ -41,23 +50,46 @@ namespace BCG {
       }
       private IDictionary<string, StreamPubUnit>
          _stream_pub_map = new Dictionary<string, StreamPubUnit>();
-      private ViewStream _stream = new TableStream("cloud_streams");
-      private PubTableBroker _broker = new PubTableBroker();
-      private ManagedSubscriber _sub = ManagedSubscriber.instance;
+      readonly IPubTableBroker _broker;
+      readonly IManagedSubscriber _sub;
+      readonly object syncRoot = new();
+      IDisposable? cloudStreamsSub;
+      IDisposable? remoteRequestsSub;
+      bool isDisposed;
 
 
-      public RemoteQueryManager() {
-         _stream.onChange += _on_str;
-         _sub.subscribe("RemoteRequest", (string tag, byte[] data) => {
-            RemoteRequest req = RemoteRequest.construct_from_bytes(data);
-            _spawn_remote_stream(req.published_table_name, req.stream_expression, false);
-         });
+      public RemoteQueryManager(IManagedSubscriber managedSubscriber, IPubTableBroker pubTableBroker) {
+         _sub = managedSubscriber;
+         _broker = pubTableBroker;
       }
-      private void _on_str(object obj)
-      {
-         if (obj is not DataPacket dp) {
-            return;
+
+      public Task StartAsync(CancellationToken cancellationToken) {
+         lock (syncRoot) {
+            Log.assert(!isDisposed);
+            Log.isnull(cloudStreamsSub);
+            Log.isnull(remoteRequestsSub);
+            cloudStreamsSub = new TableStream("cloud_streams").AsObservable().Subscribe(_on_str);
+            remoteRequestsSub = _sub.Observe("RemoteRequest").Subscribe(data => {
+               RemoteRequest req = RemoteRequest.construct_from_bytes(data);
+               _spawn_remote_stream(req.published_table_name, req.stream_expression, false);
+            });
          }
+         return Task.CompletedTask;
+      }
+
+      public Task StopAsync(CancellationToken cancellationToken) {
+         lock (syncRoot) {
+            if (!isDisposed) {
+               isDisposed = true;
+               Disposable.dispose(ref cloudStreamsSub);
+               Disposable.dispose(ref remoteRequestsSub);
+            }
+         }
+         return Task.CompletedTask;
+      }
+
+      private void _on_str(DataPacket dp)
+      {
          foreach (IBlueRow r in dp.newRows)
          {
             string name = r.get<string>("name");
@@ -87,9 +119,5 @@ namespace BCG {
       private void _expose_to_ws(string name, ViewStream stream) {
          // TODO: john
       }
-
-      public void doWork() {
-
-      }
    }
 }

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

@@ -1,4 +1,7 @@
+using bts;
+
 using Bts.DataStream;
+using Bts.DataStream.Primitives.Filter;
 
 using mbts.config;
 
@@ -21,6 +24,7 @@ namespace BCG.StreamWorld.Addition {
       public FilterStream(ViewStream vs, IStreamFilter filter) {
          myBaseStream = vs;
          myFilter = filter;
+         vs.ErrorChanged += OnError;
          if (filter is IDynamicStreamFilter)
             (filter as IDynamicStreamFilter).onFilterChange += new FilterChangeDelegate(myHandleFilterChange);
       }
@@ -36,31 +40,45 @@ namespace BCG.StreamWorld.Addition {
          myStateTable.clear();
       }
 
+      bool filterRow(IBlueRow r) {
+         try {
+            return myFilter.filter(r);
+         } catch (Exception ex) {
+            Log.Gen.error($"FilterStream delegate threw exception: {ex}");
+            OnError(new StreamFilterException(StreamId, StreamName, null, ex, r));
+         }
+         return false;
+      }
+
       private void myHandleChanges(object newValue) {
-         DataPacket dp = newValue as DataPacket;
-         if (myStateTable == null) {
-            bts.Log.assert(myBaseTable == null);
-            myStateTable = new BlueTable(dp.schema);
-            myBaseTable = new BlueTable(dp.schema);
-         }
-         BlueTable dels = new BlueTable(dp.schema),
-                     adds = new BlueTable(dp.schema);
-         foreach (IBlueRow r in dp.deletedRows) {
-            myBaseTable.deleteRow(r);
-            if (myStateTable.containsID((int)r["id"])) {
-               dels.addRow(r);
-               myStateTable.deleteRow(r);
+         try {
+            DataPacket dp = newValue as DataPacket;
+            if (myStateTable == null) {
+               bts.Log.assert(myBaseTable == null);
+               myStateTable = new BlueTable(dp.schema);
+               myBaseTable = new BlueTable(dp.schema);
             }
-         }
-         foreach (IBlueRow r in dp.addedRows) {
-            myBaseTable.addRow(r);
-            if (myFilter.filter(r)) {
-               adds.addRow(r);
-               myStateTable.addRow(r);
+            BlueTable dels = new BlueTable(dp.schema),
+                        adds = new BlueTable(dp.schema);
+            foreach (IBlueRow r in dp.deletedRows) {
+               myBaseTable.deleteRow(r);
+               if (myStateTable.containsID((int)r["id"])) {
+                  dels.addRow(r);
+                  myStateTable.deleteRow(r);
+               }
             }
+            foreach (IBlueRow r in dp.addedRows) {
+               myBaseTable.addRow(r);
+               if (filterRow(r)) {
+                  adds.addRow(r);
+                  myStateTable.addRow(r);
+               }
+            }
+            if ((dels.Count > 0 || adds.Count > 0) || (myLastValue == null))
+               myFireEvent(new DataPacket(myStateTable, adds, dels));
+         } catch (Exception ex) {
+            OnError(ex);
          }
-         if ((dels.Count > 0 || adds.Count > 0) || (myLastValue == null))
-            myFireEvent(new DataPacket(myStateTable, adds, dels));
       }
 
       public IStreamFilter filter {
@@ -69,9 +87,20 @@ namespace BCG.StreamWorld.Addition {
             if (myBaseTable != null) {
                IBlueRowCollection oldState = new BlueTable(myStateTable);
                myStateTable.clear();
-               foreach (IBlueRow r in myBaseTable)
-                  if (myFilter.filter(r))
-                     myStateTable.addRow(r);
+               // If the filter throws an exception, we can rethrow it as a StreamFilterException
+               // and include the 'currentRow' (for which the filter failed) to provide context.
+               IBlueRow? currentRow = null;
+               foreach (IBlueRow r in myBaseTable) {
+                  try {
+                     currentRow = r;
+                     if (filterRow(r)) {
+                        myStateTable.addRow(r);
+                     }
+                  } catch (Exception ex) {
+                     Log.Gen.error($"FilterStream delegate threw exception: {ex}");
+                     OnError(new StreamFilterException(StreamId, StreamName, null, ex, currentRow));
+                  }
+               }
                IBlueRowCollection dels, adds;
                BlueDataUtility.computeDifferences(myStateTable, oldState, out dels, out adds);
                myFireEvent(new DataPacket(myStateTable, adds, dels));
@@ -128,7 +157,7 @@ namespace BCG
       private ViewStream myParentStream;
       private string myFilterString;
       private BCG.StreamWorld.Addition.FilterStream myFilterStream;
-      private bool myUseNewFilter = Configuration.get<DataStreamConfig>().UseNewFilter;
+      private bool myUseNewFilter = false;
 
       #region constructors
       public delegate bool OnFilter(IBlueRow r);
@@ -206,32 +235,36 @@ namespace BCG
          DataPacket retVal;
          DataPacket arrivedPacket = newValue as DataPacket;
          myLastReceivedRows = arrivedPacket.newRows;
-         if (myLastFiredRows != null)
-         {
-            retVal = new DataPacket(myLastFiredRows, new BlueTable(myLastFiredRows.schema),
-               new BlueTable(myLastFiredRows.schema));
-            foreach (IBlueRow r in arrivedPacket.deletedRows)
-               if (myLastFiredRows.containsID((int)r["id"]))
-               {
-                  myLastFiredRows.deleteRow(r);
-                  (retVal.deletedRows as BlueTable).addRow(r);
-               }
-            foreach (IBlueRow r in arrivedPacket.addedRows)
-               if (myFilter.filter(r))
-               {
-                  myLastFiredRows.addRow(r);
-                  (retVal.addedRows as BlueTable).addRow(r);
-               }
+         try {
+            if (myLastFiredRows != null)
+            {
+               retVal = new DataPacket(myLastFiredRows, new BlueTable(myLastFiredRows.schema),
+                  new BlueTable(myLastFiredRows.schema));
+               foreach (IBlueRow r in arrivedPacket.deletedRows)
+                  if (myLastFiredRows.containsID((int)r["id"]))
+                  {
+                     myLastFiredRows.deleteRow(r);
+                     (retVal.deletedRows as BlueTable).addRow(r);
+                  }
+               foreach (IBlueRow r in arrivedPacket.addedRows)
+                  if (filterRow(r))
+                  {
+                     myLastFiredRows.addRow(r);
+                     (retVal.addedRows as BlueTable).addRow(r);
+                  }
+            }
+            else
+            {
+               myLastFiredRows = new BlueTable(arrivedPacket.schema);
+               retVal = new DataPacket(myLastFiredRows, myLastFiredRows, new BlueTable(myLastFiredRows.schema));
+               foreach (IBlueRow r in arrivedPacket.newRows)
+                  if (filterRow(r))
+                     myLastFiredRows.addRow(r);
+            }
+            myFireEvent(retVal);
+         } catch (Exception ex) {
+            OnError(ex);
          }
-         else
-         {
-            myLastFiredRows = new BlueTable(arrivedPacket.schema);
-            retVal = new DataPacket(myLastFiredRows, myLastFiredRows, new BlueTable(myLastFiredRows.schema));
-            foreach (IBlueRow r in arrivedPacket.newRows)
-               if (myFilter.filter(r))
-                  myLastFiredRows.addRow(r);
-         }
-         myFireEvent(retVal);
       }
 
       public IStreamFilter filter
@@ -249,16 +282,20 @@ namespace BCG
                {
                    if (myLastReceivedRows != null)
                    {
+                     try {
                        BlueTable nRows = new BlueTable(myLastReceivedRows.schema);
                        foreach (IBlueRow r in myLastReceivedRows)
-                           if (myFilter.filter(r))
+                           if (filterRow(r))
                                nRows.addRow(r);
                        IBlueRowCollection dRows = new BlueTable(nRows.schema),
                           aRows = new BlueTable(nRows.schema);                      
                        BlueDataUtility.computeDifferences(nRows, myLastFiredRows, out dRows, out aRows);
                        myLastFiredRows = nRows;
                        myFireEvent(new DataPacket(nRows, aRows, dRows));
-                   }
+                     } catch (Exception ex) {
+                        OnError(ex);
+                     }
+                  }
                }
             }
          }
@@ -282,5 +319,15 @@ namespace BCG
       {
          filter = myFilter;
       }
+
+      bool filterRow(IBlueRow r) {
+         try {
+            return myFilter.filter(r);
+         } catch (Exception ex) {
+            Log.Gen.error($"FilterStream delegate threw exception: {ex}");
+            OnError(new StreamFilterException(StreamId, StreamName, null, ex, r));
+         }
+         return false;
+      }
    }
 }

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

@@ -0,0 +1,19 @@
+#nullable enable
+namespace Bts.DataStream.Primitives.Filter;
+
+using BCG;
+
+using System;
+
+public class StreamFilterException : Exception {
+   public StreamFilterException(Guid streamId, string streamName, string? message, Exception? innerException, IBlueRow? badRow = null)
+      : base(message, innerException) {
+      StreamId = streamId;
+      StreamName = streamName;
+      BadRow = badRow;
+   }
+
+   public Guid StreamId { get; }
+   public string StreamName { get; }
+   public IBlueRow? BadRow { get; }
+}

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

@@ -89,7 +89,7 @@ namespace BCG {
 
          if (now > myNextFilter) {
             // fire event
-            onFilterChange();
+            onFilterChange?.Invoke();
 
             myNextFilter = now.Add(_filter_period);
          }

src/DataStreamSuite/DataStream/Primitives/GroupBy/NonIncremental/NonIncGroupByStream.cs

@@ -96,6 +96,10 @@ namespace BCG {
          _timer.Restart();
          IBlueRowCollection total_state = _groupby_func.evaluate(grouped_rows);
          _timer.Stop();
+         if (total_state is null) {
+            Log.Gen.warn("NonIncGroupByStream _groupby_func.evaluate returned null (ignoring last update).");
+            return;
+         }
          var applyElapsedMs = _timer.ElapsedMilliseconds;
          _n_total_fires++;
          if (applyElapsedMs >= 50) {

src/DataStreamSuite/DataStream/Primitives/Join/ParallelJoinTest.cs

@@ -1,9 +1,7 @@
-using System;
+#nullable disable
+using System;
 using System.Collections;
 using System.Collections.Generic;
-using System.Text;
-using BCG.Utilities.General;
-using BCG.Utilities;
 
 namespace BCG
 {

src/DataStreamSuite/DataStream/Primitives/Map/MapStream.cs

@@ -1,6 +1,10 @@
+using bts;
+
 using Bts.DataStream;
+using Bts.DataStreamCore;
 
 using mbts.config;
+using mbts.utils;
 
 using System;
 
@@ -15,9 +19,9 @@ namespace BCG {
    /// </summary>
    [DataStreamUserRespresentation(false)]
    public class MapStream : MethodDrivenStream {
-      protected IStreamMapper myMapper;
-      protected IChangeableStreamMapper myChangeableMapper = null;
-      private bool myUseNewMap = Configuration.get<DataStreamConfig>().UseNewMap;
+      protected IStreamMapper? myMapper;
+      protected IChangeableStreamMapper? myChangeableMapper;
+      private bool myUseNewMap = false;
 
       public class FuncWrapper : IStreamMapper {
          private Func<IBlueTableSchema, IBlueTableSchema> _schema_map_func;
@@ -71,7 +75,7 @@ namespace BCG {
 
 
       protected override void myHandleFirstCall() {
-
+         ArgumentNullException.ThrowIfNull(myMapper);
          IBlueTableSchema outputSchema = myMapper.getOutputSchema(myLastArrivedPacket.newRows.schema);
          myLastFiredPacket = new DataPacket();
          myLastFiredPacket.newRows = new BlueTable(outputSchema);
@@ -82,28 +86,34 @@ namespace BCG {
       }
 
       protected override void myHandleIncrementalAdd() {
-         //t.start ();
-         myLastFiredPacket.addedRows = new BlueTable(myLastFiredPacket.newRows.schema);
-         foreach (IBlueRow row in myLastArrivedPacket.addedRows) {
-            IBlueRow newRow = myMapper.map(row);
-            (myLastFiredPacket.newRows as BlueTable).addRow(newRow);
-            (myLastFiredPacket.addedRows as BlueTable).addRow(newRow);
+         if (myLastArrivedPacket.addedRows.Count == 0) {
+            Log.Gen.warn("MapStream.myHandleIncrementalAdd called with 0 addedRows");
+            return;
          }
-         //t.stop ();
-         //System.Diagnostics.Trace.WriteLine ("adding " + myLastFiredPacket.addedRows.Count.ToString () + " : " + t.lastIntervalTime);
-         //System.Diagnostics.Trace.WriteLine (" ");
+         ArgumentNullException.ThrowIfNull(myMapper);
+         var addedRows = new BlueTable(myLastFiredPacket.newRows.schema);
+         var newRows = ExceptionAssert.Cast(myLastFiredPacket.newRows).To<BlueTable>();
+         foreach (IBlueRow row in myLastArrivedPacket.addedRows) {
+            var newRow = myMapper.map(row);
+            newRows.addRow(newRow);
+            addedRows.addRow(newRow);
+         }
+         myLastFiredPacket.addedRows = addedRows;
       }
 
       protected override void myHandleIncrementalDelete() {
-         //t.start ();
-         myLastFiredPacket.deletedRows = new BlueTable(myLastFiredPacket.newRows.schema);
-         foreach (IBlueRow row in myLastArrivedPacket.deletedRows) {
-            IBlueRow delRow = (myLastFiredPacket.newRows as BlueTable)[(int)row["id"]];
-            (myLastFiredPacket.deletedRows as BlueTable).addRow(delRow);
-            (myLastFiredPacket.newRows as BlueTable).deleteRow(row);
+         if (myLastArrivedPacket.deletedRows.Count == 0) {
+            Log.Gen.warn("MapStream.myHandleIncrementalDelete called with 0 deletedRows");
+            return;
          }
-         //t.stop ();
-         //System.Diagnostics.Trace.WriteLine ("deleting " + myLastFiredPacket.deletedRows.Count.ToString () + " : " + t.lastIntervalTime);
+         var deletedRows = new BlueTable(myLastFiredPacket.newRows.schema);
+         var newRows = ExceptionAssert.Cast(myLastFiredPacket.newRows).To<BlueTable>();
+         foreach (IBlueRow row in myLastArrivedPacket.deletedRows) {
+            var delRow = newRows[row.Id()];
+            deletedRows.addRow(delRow);
+            newRows.deleteRow(row);
+         }
+         myLastFiredPacket.deletedRows = deletedRows;
       }
 
 

src/DataStreamSuite/DataStream/Primitives/Map/SuperMapStream.cs

@@ -1,11 +1,9 @@
+using Bts.DataStreamCore;
+
+using mbts.utils;
+
 using System;
 using System.Collections.Generic;
-using System.Text;
-
-using BCG.Utilities;
-using BCG.Utilities.General;
-
-using mbts;
 
 namespace BCG {
    /// <summary>
@@ -56,15 +54,15 @@ namespace BCG {
             return rows == null ? new IBlueRow[] { } : new List<IBlueRow>(rows).ToArray();
          }
 
-         public event MapperChangeDelegate onMapperChange;
-         private void _fake() { onMapperChange(); }
+         public event MapperChangeDelegate? onMapperChange;
       }
 
       //maps the id of the underlying stream to the
       //rows of the resulting stream
       private Dictionary<int, List<IBlueRow>> myMap = new Dictionary<int, List<IBlueRow>>();
       private int myID = 0;
-      private BlueTable myRows, myBaseRows;
+      private BlueTable? myRows;
+      private BlueTable? myBaseRows;
       private ViewStream myStream;
       private ISuperStreamMapper myMapper;
       public bool generate_ids = true;
@@ -92,49 +90,40 @@ namespace BCG {
          myRows = null;
          myBaseRows = null;
          myMap.Clear();
-         //myMapper.onMapperChange -= new MapperChangeDelegate(myHandleMapChange);
       }
 
       private void myHandleData(object newValue) {
-         DataPacket idp = newValue as DataPacket;
-         //HighPerformanceTimer timer = new HighPerformanceTimer();
-         //timer.start();
-         DataPacket dp = newValue as DataPacket;
-         myRows = myRows ?? new BlueTable(myMapper.getOutputSchema(dp.schema));
-         myBaseRows = myBaseRows ?? new BlueTable(dp.schema);
+         var dp = ExceptionAssert.Cast(newValue).To<DataPacket>();
+         myRows ??= new BlueTable(myMapper.getOutputSchema(dp.schema));
+         myBaseRows ??= new BlueTable(dp.schema);
          BlueDataUtility.absorbChanges(myBaseRows, dp.deletedRows, dp.addedRows);
-         BlueTable dels = new BlueTable(myRows.schema),
-                     adds = new BlueTable(myRows.schema);
+         var dels = new BlueTable(myRows.schema);
+         var adds = new BlueTable(myRows.schema);
 
          foreach (IBlueRow r in dp.deletedRows) {
-            List<IBlueRow> mappedRows = myMap[(int)r["id"]];
+            var mappedRows = myMap[r.Id()];
             foreach (IBlueRow mr in mappedRows) {
                dels.addRow(mr);
                myRows.deleteRow(mr);
             }
-            myMap.Remove((int)r["id"]);
+            myMap.Remove(r.Id());
          }
          foreach (IBlueRow r in dp.addedRows) {
             IBlueRow[] mappedRows = myMapper.map(r);
             foreach (IBlueRow mr in mappedRows) {
                IBlueRow idChangedMapRow = generate_ids ? BlueDataUtility.getNewReplacedRow(mr, myID++, "id") : mr;
-               if (!myMap.ContainsKey((int)r["id"])) {
-                  myMap.Add((int)r["id"], new List<IBlueRow>());
-               }
-               myMap[(int)r["id"]].Add(idChangedMapRow);
+               myMap.GetOrAdd(r.Id(), _ => new()).Add(idChangedMapRow);
                myRows.addRow(idChangedMapRow);
                adds.addRow(idChangedMapRow);
             }
          }
-         //timer.stop();
-         // if (timer.lastIntervalTime > 20)
-         //    {}//mbts.Logger.log(bts.log.Level.Info, bts.log.Subsystem.gen, String.Format("SuperMapper:myHandlerData for mapper {0} took {1} msecs", myMapper.GetType().ToString(), timer.lastIntervalTime));
          myFireEvent(new DataPacket(myRows, adds, dels));
       }
 
       private void myHandleMapChange() {
-         if (myBaseRows != null)
+         if (myBaseRows is not null) {
             myHandleData(new DataPacket(myBaseRows, new BlueTable(myBaseRows), new BlueTable(myBaseRows)));
+         }
       }
    }
 }

src/DataStreamSuite/DataStream/Primitives/Misc/PubsubEchoTestStream.cs

@@ -8,6 +8,7 @@ using System.IO;
 using System.Linq;
 using System.Runtime.CompilerServices;
 using bts.api;
+using Bts.PubSub.Routing;
 
 namespace bts
 {
@@ -95,10 +96,11 @@ namespace bts
       };
       IOState _state = IOState.SEND;
 
-      public PubsubEchoTestStream(string server_url, TimeSpan publish_period, int payload_size, string tag_name, ViewStreamDatabase vsd)
-      {
-         var route = new PubSubRoute(server_url, ".*");
-         _router = new PubSubRouter(route);
+      public PubsubEchoTestStream(string server_url, TimeSpan publish_period, int payload_size, string tag_name, ViewStreamDatabase vsd) {
+         _router = new PubSubRouter(new PubSubRouterConfig() {
+            PublisherRoutes = new() { new(server_url, ".*") },
+            SubscriberRoutes = new() { new(server_url, ".*") },
+         });
          _vsd = vsd;
          _payload_sz = payload_size;
          var schema = BlueDataUtility.form_schema("PubSubTest",
@@ -220,4 +222,4 @@ namespace bts
       }
 
    }
-}
+}

src/DataStreamSuite/DataStream/Primitives/Misc/TestStream.cs

@@ -95,7 +95,7 @@ namespace BCG {
             sub_msg.serialize_into_str(str);
             str.Position = 0;
             bts.SubscribeMsg sub_msg_ = new bts.SubscribeMsg();
-            sub_msg_.consruct_deserialize(str);
+            sub_msg_.construct_deserialize(str);
             bool res = sub_msg.Equals(sub_msg_);
             return new TestResult {
                 test_name = "SubscribeMsg",
@@ -117,7 +117,7 @@ namespace BCG {
             pub_msg.serialize_into_str(str);
             str.Position = 0;
             var pub_msg_ = new bts.PublishMsg();
-            pub_msg_.consruct_deserialize(str);
+            pub_msg_.construct_deserialize(str);
             bool res = pub_msg.Equals(pub_msg_);
             return new TestResult {
                 test_name = "PublishMsg",
@@ -135,7 +135,7 @@ namespace BCG {
             msg.serialize_into_str(str);
             str.Position = 0;
             var msg_ = new bts.PubSubServerMessage();
-            msg_.consruct_deserialize(str);
+            msg_.construct_deserialize(str);
             bool res = msg.Equals(msg_);
             return new TestResult {
                 test_name = "PubSubServerMessage",
@@ -156,7 +156,7 @@ namespace BCG {
             msg.serialize_into_str(str);
             str.Position = 0;
             var msg_ = new PubSubClientMessage();
-            msg_.consruct_deserialize(str);
+            msg_.construct_deserialize(str);
             var res = msg.Equals(msg_);
             return new TestResult {
                 test_name = "PubSubClientMessage",
@@ -617,14 +617,15 @@ namespace BCG {
 
 
         private static TestResult _run_single_tag_data_test_clean() {
+            // var tagHandlerFactory
             // create message
-            var test_name = MethodBase.GetCurrentMethod().Name;
+            var test_name = MethodBase.GetCurrentMethod()?.Name;
             var schema = create_schema_with_all_types();
             var tag = "DS_" + schema.tableName;
             BlueTable table = new BlueTable(schema);
             IStreamIOMsgSerializer serializer = new StreamIOSerializationController();
             IStreamMsgDeserilizer deser = new StreamIODeserializationController();
-            bts.SingleTagData st_data = new bts.SingleTagData(tag, DSTagManager.DataStreamTagType);
+            bts.SingleTagData st_data = new bts.SingleTagData(tag, DSTagManager.DataStreamTagType, new PubsubServerStreamTagHandler());
             // create with 100 rows
             int n_rows = 100;
             bool is_succ = true;

src/DataStreamSuite/DataStream/Primitives/Misc/WebScrapingStream.cs

@@ -10,15 +10,15 @@ using HtmlAgilityPack;
 
 namespace BCG {
     class Program {
-        static void Main() {
-            string url = "http://quotes.toscrape.com";
-            List<string> quotes = ScrapeQuotes(url);
+      //   static void Main() {
+      //       string url = "http://quotes.toscrape.com";
+      //       List<string> quotes = ScrapeQuotes(url);
 
-            Console.WriteLine("Quotes from http://quotes.toscrape.com:");
-            foreach (var quote in quotes) {
-                Console.WriteLine(quote);
-            }
-        }
+      //       Console.WriteLine("Quotes from http://quotes.toscrape.com:");
+      //       foreach (var quote in quotes) {
+      //           Console.WriteLine(quote);
+      //       }
+      //   }
 
         static List<string> ScrapeQuotes(string url) {
             List<string> quotes = new List<string>();

src/DataStreamSuite/DataStream/Primitives/MongoDB/MongoSchemaAdaptor.cs

@@ -2,6 +2,8 @@ namespace Bts.DataStream;
 
 using bts;
 
+using Bts.DataStreamCore;
+
 using MongoDB.Bson;
 
 using System;

src/DataStreamSuite/DataStream/Primitives/Project/ProjectHelper.cs

@@ -75,16 +75,7 @@ namespace BCG
       {
          IDictionary<string, string> origToAlias = new Dictionary<string, string>();
 
-         ColumnMapExpression e;
-         if (Configuration.get<DataStreamConfig>().UseStaticParser)
-         {
-            e = ColumnMapExpression.Parse(exp);
-         }
-         else
-         {
-            // TODO (maybe): Actually use non-static parser (unclear what advantages it will have)
-            e = ColumnMapExpression.Parse(exp);
-         }
+         var e = ColumnMapExpression.Parse(exp);
          if (e.IsInclusive) {
             origToAlias = e.Columns.ToDictionary();
             origToAlias["id"] = "id";

src/DataStreamSuite/DataStream/Primitives/SQL/SQLite/SQLiteEnumerator.cs

@@ -0,0 +1,54 @@
+namespace Bts.DataStream;
+
+using BCG;
+
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Data.SQLite;
+using System.Linq;
+using System.Threading;
+
+public class SQLiteEnumerable : IAsyncEnumerable<IBlueRowCollection> {
+   readonly string location;
+   readonly string statement;
+   readonly int pageSize;
+
+   public SQLiteEnumerable(string location, string statement, int pageSize = 65536) {
+      this.location = location;
+      this.statement = statement;
+      this.pageSize = pageSize;
+   }
+
+   public async IAsyncEnumerator<IBlueRowCollection> GetAsyncEnumerator(CancellationToken cancellationToken = default) {
+      var dataTable = new DataTable();
+      await using var conn = new SQLiteConnection($"Data Source={location};Version=3");
+      await conn.OpenAsync(cancellationToken);
+      await using var cmd = new SQLiteCommand(statement, conn);
+      await using var reader = cmd.ExecuteReader();
+      var schema = await reader.GetColumnSchemaAsync(cancellationToken);
+      var columns = schema.OrderBy(c => c.ColumnOrdinal ?? int.MaxValue)
+         .Select((c, i) => new ColumnInfo(c.ColumnName, c.ColumnOrdinal ?? i, c.DataType))
+         .Append(new ColumnInfo("id", schema.Count, typeof(int)))
+         .ToArray();
+      var blueSchema = new BlueTableSchema("anon", columns);
+      BlueTable? table = null;
+      int rowId = 1;
+      while (await reader.ReadAsync(cancellationToken)) {
+         table ??= new BlueTable(blueSchema);
+         var rowVals = new object[blueSchema.columnInfo.Length];
+         if (reader.GetValues(rowVals) != rowVals.Length - 1) {
+            throw new InvalidOperationException("Sqlite reader value count for single row not equal to column count");
+         }
+         rowVals[^1] = rowId++;
+         table.addRow(new BlueRow(blueSchema, rowVals));
+         if (table.Count == pageSize) {
+            yield return table;
+            table = null;
+         }
+      }
+      if (table is not null) {
+         yield return table;
+      }
+   }
+}

src/DataStreamSuite/DataStream/Primitives/Union/RowBasedAppendStream.cs

@@ -46,10 +46,11 @@ namespace bts.BlueOrb {
          }
          foreach (IBlueRow r in dp.addedRows) {
             string hash = r.get_row_cols_as_string(_key_cols);
-            ViewStream hash_str = null;
-            if (!_stream_map.TryGetValue(hash, out hash_str)) {
-               hash_str = _make_stream(r);
-               _stream_map.Add(hash, hash_str);
+            ViewStream hash_stream = null;
+            if (!_stream_map.TryGetValue(hash, out hash_stream)) {
+               hash_stream = _make_stream(r);
+               _stream_map.Add(hash, hash_stream);
+               _final_stream.addStream(hash_stream);
             }
          }
 

src/DataStreamSuite/DataStream/Publish/CircularPublisher.cs

@@ -1,3 +1,5 @@
+using Bts.DataStreamCore;
+
 using System;
 
 namespace BCG {
@@ -7,14 +9,15 @@ namespace BCG {
    /// </summary>
 	public class CircularPublisher {
       private CircularRowCollection myBuffer;
-      private PubTableBroker myBroker;
+      private readonly IPubTableBroker myBroker;
       private int myBufferSize;
-      public CircularPublisher(int bufferSize) {
+      public CircularPublisher(int bufferSize, IPubTableBroker broker) {
          myBufferSize = bufferSize;
+         myBroker = broker;
       }
 
-      public CircularPublisher(int bufferSize, IBlueRowCollection rows)
-         : this(bufferSize) {
+      public CircularPublisher(int bufferSize, IPubTableBroker broker, IBlueRowCollection rows)
+         : this(bufferSize, broker) {
          publishRows(rows);
       }
 
@@ -23,7 +26,6 @@ namespace BCG {
             myBuffer = new CircularRowCollection(
                new BlueTableSchema(nr.schema.tableName, nr.schema.columnInfo),
                myBufferSize);
-            myBroker = new PubTableBroker();
             myBroker.create_table(myBuffer);
          }
          IBlueRow br = myBuffer.addRowWithReturn(nr);
@@ -38,7 +40,6 @@ namespace BCG {
                new BlueTableSchema(BlueDataUtility.extractRow(nrs, 0).schema.tableName,
                BlueDataUtility.extractRow(nrs, 0).schema.columnInfo),
                myBufferSize);
-            myBroker = new PubTableBroker();
             myBroker.create_table(myBuffer);
          }
          BlueTable deletes = new BlueTable(myBuffer.schema);

src/DataStreamSuite/DataStream/Publish/ViewPublisher.cs

@@ -4,10 +4,12 @@ using System.Data;
 
 using BCG.Utilities;
 
+using Bts.DataStreamCore;
+
 namespace BCG {
    public class ViewPublisher : IDisposable {
       protected ViewPublisher() { }
-      private readonly PubTableBroker _broker;
+      private readonly IPubTableBroker _broker;
       protected readonly ViewStream _stream;
       private int _n_updates = 0;
 
@@ -15,7 +17,7 @@ namespace BCG {
       /// in the schema (be careful with that because this
       /// could lead to double publishes if the schema name
       /// is not uniquely chosen)
-      public ViewPublisher(string name, PubTableBroker broker, ViewStream vs) {
+      public ViewPublisher(string name, IPubTableBroker broker, ViewStream vs) {
          _stream = String.IsNullOrEmpty(name) ? vs : new ChangeTableNameStream(vs, name);
          _broker = broker;
          _stream.onChange += new DataStream.ChangeDelegate(_handle_update);

src/DataStreamSuite/DataStream/Services/DataStreamServices.cs

@@ -0,0 +1,11 @@
+namespace Bts.DataStream.Services;
+
+using BCG;
+
+using Microsoft.Extensions.DependencyInjection;
+
+public static class DataStreamServices {
+   public static IServiceCollection AddRemoteQueryManager(this IServiceCollection services) =>
+      services.AddSingleton<RemoteQueryManager>()
+         .AddHostedService(sp => sp.GetRequiredService<RemoteQueryManager>());
+}

src/DataStreamSuite/DataStreamCore/BlueData/BlueRow.cs

@@ -88,9 +88,16 @@ namespace BCG
       public BlueRow(IBlueTableSchema schema, IDictionary row)
       {
          myInit(schema);
-         foreach (DictionaryEntry de in row)
-            if (mySchema[de.Key as string] != null)
+         // Use GetEnumerator instead of a foreach loop because the latter calls
+         // '((IEnumerator)row).GetEnumerator()', which iterates over values
+         // instead of key value pairs.
+         var en = row.GetEnumerator();
+         while (en.MoveNext()) {
+            var de = en.Entry;
+            if (mySchema[de.Key as string] is not null) {
                myValues[mySchema[de.Key as string].colNo] = de.Value;
+            }
+         }
       }
 
       /// <summary>

src/DataStreamSuite/DataStreamCore/BlueData/BlueRowAdapter.cs

@@ -3,8 +3,6 @@ namespace Bts.DataStreamCore;
 
 using BCG;
 
-using Bts.DataStream;
-
 public class BlueRowAdapter<T> : IBlueRow {
    readonly BlueTableSchemaAdapter<T> adapter;
    readonly T data;

src/DataStreamSuite/DataStreamCore/BlueData/BlueTableImmutable.cs

@@ -5,7 +5,6 @@ using BCG;
 
 using bts.api.core;
 
-using Bts.DataStream;
 using Bts.DataStreamCore;
 
 using System;
@@ -316,10 +315,10 @@ public class BlueTableImmutableAdapter<T> : IBlueRowCollection<BlueRowAdapter<T>
       }
 
       public void Update<TKey>(TableUpdate<T, TKey> tableUpdate) where TKey : IEquatable<TKey> {
-         foreach (var r in tableUpdate.removed.Concat(tableUpdate.changes.Old())) {
+         foreach (var r in tableUpdate.RemovedItems.Concat(tableUpdate.Changes.Old())) {
             Remove(new BlueRowAdapter<T>(schemaAdapter, r).Id());
          }
-         foreach (var r in tableUpdate.changed.Concat(tableUpdate.added)) {
+         foreach (var r in tableUpdate.ChangedItems.Concat(tableUpdate.AddedItems)) {
             AddOrUpdate(r);
          }
       }

src/DataStreamSuite/DataStreamCore/BlueData/BlueTableSchemaAdapter.cs

@@ -1,5 +1,5 @@
 #nullable enable
-namespace Bts.DataStream;
+namespace Bts.DataStreamCore;
 
 using BCG;
 

src/DataStreamSuite/DataStreamCore/BlueData/IBlueRowFactory.cs

@@ -1,5 +1,5 @@
 #nullable enable
-namespace Bts.DataStream;
+namespace Bts.DataStreamCore;
 
 using BCG;
 

src/DataStreamSuite/DataStreamCore/BlueData/IMutableBlueRowFactory.cs

@@ -1,5 +1,5 @@
 #nullable enable
-namespace Bts.DataStream;
+namespace Bts.DataStreamCore;
 
 using BCG;
 

src/DataStreamSuite/DataStreamCore/DataPacket.cs

@@ -52,6 +52,13 @@ namespace BCG {
          this.addedRows = addedRows;
          this.deletedRows = deletedRows;
       }
+      public DataPacket(IBlueRowCollection newRows, IBlueRowCollection addedRows, IBlueRowCollection deletedRows,
+                  IDictionary<string, object> meta_data) {
+         this.newRows = newRows;
+         this.addedRows = addedRows;
+         this.deletedRows = deletedRows;
+         this.meta_data = meta_data != null ? new Dictionary<string, object>(meta_data) : null;
+      }
 
       IBlueRowCollection IDataPacket.newRows => newRows;
       IBlueRowCollection IDataPacket.addedRows => addedRows;
@@ -246,25 +253,35 @@ namespace BCG {
          return new DataPacket(nt, at, dt);
       }
 
-      public DataPacket deepCopy() {
-         return new DataPacket(new OrderedBlueTable(newRows),
-            new OrderedBlueTable(newRows),
-            new BlueTable(deletedRows));
+      public object Clone() {
+         var copy = (DataPacket)MemberwiseClone();
+         if (meta_data != null)
+            copy.meta_data = new Dictionary<string, object>(meta_data);
+         return copy;
       }
 
+      public DataPacket deepCopy() {
+         var copy = new DataPacket(
+            new OrderedBlueTable(newRows),
+            new OrderedBlueTable(addedRows),
+            new BlueTable(deletedRows)
+         );
+         if (meta_data != null)
+            copy.meta_data = new Dictionary<string, object>(meta_data);
+         return copy;
+      }
+
+
       public virtual DataPacket createImmutable() {
          return
          new DataPacket(
                newRows is IImmutableRowCollection ? newRows : new ImmutableBlueTable(newRows),
                addedRows,
-               deletedRows);
+               deletedRows, meta_data);
       }
       #region ICloneable Members
 
-      public object Clone() {
-         return MemberwiseClone();
-      }
-
+     
       #endregion
 
       public string toIncrementalIDString() {

src/DataStreamSuite/DataStreamCore/DataStream.cs

@@ -1,9 +1,5 @@
 using bts;
 
-using Bts.DataStream;
-
-using mbts.config;
-
 using System;
 using System.Collections;
 using System.Diagnostics;
@@ -16,7 +12,7 @@ namespace BCG
    public class DataStream
    {
       internal static event EventHandler onFireStart;
-      protected bool myTestMode = Configuration.get<DataStreamConfig>().IsTestMode;
+      protected bool myTestMode = false;
       protected bool myFirstSubImplemented = true,
                      myLastSubImplemented = true;
       protected IDictionary myDelMap = new Hashtable (); 
@@ -32,6 +28,9 @@ namespace BCG
       public DataStream (DataStream realSource)
       {
          myRealSource = realSource;
+         if (myRealSource is not null) {
+            myRealSource.ErrorChanged += OnError;
+         }
          myOnChangeDelegate = null;
          myPendingAdds = new Stack();
       }
@@ -48,6 +47,8 @@ namespace BCG
          }
       }
 
+      public event Action<Exception> ErrorChanged;
+
       public delegate void ChangeDelegate(object newValue);
       public event ChangeDelegate onChange
       {
@@ -120,8 +121,15 @@ namespace BCG
       protected virtual object myGetValueForInitialSubscription()
       {return myLastValue;}
 
-      protected void mySetRealSource (DataStream src)
-      {myRealSource = src;}
+      protected void mySetRealSource (DataStream src) {
+         if (myRealSource is not null) {
+            myRealSource.ErrorChanged -= OnError;
+         }
+         myRealSource = src;
+         if (myRealSource is not null) {
+            myRealSource.ErrorChanged += OnError;
+         }
+      }
 
       protected virtual void myOnFirstSubscriber() {myFirstSubImplemented = false;}
       protected virtual void myOnLastSubscriber () {myLastSubImplemented = false;}
@@ -143,6 +151,11 @@ namespace BCG
          }
       }
 
+      protected void OnError(Exception error) {
+         Log.Gen.error($"{GetType()} OnError: {error}");
+         ErrorChanged?.Invoke(error);
+      }
+
       public Guid ID
       {
          get

src/DataStreamSuite/DataStreamCore/DataStreamCore.csproj

@@ -4,6 +4,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <TargetFramework>net8.0</TargetFramework>
     <Nullable>disable</Nullable>
+    <Version>$(SparkVersion)</Version>
   </PropertyGroup>
 
   <ItemGroup>
@@ -13,15 +14,17 @@
     <PackageReference Include="SimMetrics.Net" Version="1.0.5" />
   </ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\PubSub\PubSub.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <Proto Include="../../lib_spark/spark/config/protos/data_stream_config.proto" CSName="DataStreamConfig">
-      <OutDir>$(ProtoOutputPath)/lib_spark/spark/config/protos</OutDir>
-    </Proto>
-  </ItemGroup>
+  <Choose>
+    <When Condition="'$(UseProjectRefs)' == 'true'">
+      <ItemGroup>
+        <ProjectReference Include="..\PubSub\PubSub.csproj" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PackageReference Include="PubSub" Version="$(SparkVersion)" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
 
 </Project>

src/DataStreamSuite/DataStreamCore/DynamicLoading/MarketDataStreamFactory.cs

@@ -3,6 +3,8 @@ namespace Bts.DataStreamCore;
 
 using BCG;
 
+using Bts.PubSub;
+
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -31,7 +33,7 @@ public class MarketDataStreamFactory {
          var paramInjections = new List<(int Index, object Value)>(2) {
             (mdClientIdx, mdClient)
          };
-         if (ctrParams.TryGetFirst(p => p.ParameterType == typeof(ViewStreamDatabase), out var vsdParam, out int vsdIdx)) {
+         if (ctrParams.TryGetFirst(p => p.ParameterType.IsAssignableTo(typeof(IWorkScheduler)), out var vsdParam, out int vsdIdx)) {
             paramInjections.Add((vsdIdx, ViewStreamDatabase.instance));
          }
          if (nArgs != ctrParams.Length - paramInjections.Count) {

src/DataStreamSuite/DataStreamCore/DynamicLoading/PrimitiveManager.cs

@@ -1,9 +1,6 @@
 namespace BCG {
-   using Bts.DataStream;
    using bts;
 
-   using mbts.config;
-
    using System;
    using System.Collections;
    using System.Reflection;
@@ -25,9 +22,7 @@ namespace BCG {
          currentDomain.AssemblyResolve += new ResolveEventHandler(myAssemblyResolver);
          loadAssembly(this.GetType().Assembly.FullName);
          var assemblies = new string[] { "DataStream.dll", "SharedStreams.dll" };
-         var config_assemblies = Configuration.get<DataStreamConfig>().Assemblies;
-         bts.Log.Gen.info($"PrimitiveManager.myLoadAllTypes config_assemblies: {config_assemblies}");
-         foreach (string assemblyName in assemblies/*config_assemblies*/) {
+         foreach (string assemblyName in assemblies) {
             bts.Log.Gen.info($"PrimitiveManager.myLoadAllTypes assemblyName: {assemblyName}");
             string resolvedAssemblyPath = assemblyName;
             if (!System.IO.Path.IsPathRooted(assemblyName)) {

src/DataStreamSuite/DataStreamCore/Messaging/Publish/IPubTableBroker.cs

@@ -0,0 +1,8 @@
+namespace Bts.DataStreamCore;
+
+using BCG;
+
+public interface IPubTableBroker {
+   void create_table(IBlueRowCollection table);
+   void make_batch_changes(IBlueRowCollection new_rows, IBlueRowCollection del_rows, IBlueRowCollection added_rows);
+}

src/DataStreamSuite/DataStreamCore/Messaging/Publish/PubTableBroker.cs

@@ -8,12 +8,14 @@ using BCG.Utilities;
 
 using bts;
 
+using Bts.DataStreamCore;
+
 namespace BCG {
    /// <summary>
    /// This class will be used by the clients to publish tabular data to the pubsub
    /// </summary>
-   public class PubTableBroker {
-      protected PublisherCore _publisher_core;
+   public class PubTableBroker : IPubTableBroker {
+      protected IPublisherCore _publisher_core;
       protected IDictionary<string, SinglePubTableBroker> _publisher_map =
          new Dictionary<string, SinglePubTableBroker>();
 
@@ -22,7 +24,7 @@ namespace BCG {
       public PubTableBroker()
          : this(new PublisherCore()) { }
 
-      public PubTableBroker(PublisherCore publisher) {
+      public PubTableBroker(IPublisherCore publisher) {
          _publisher_core = publisher;
          Log.Gen.info("PubTableBroker constructed");
       }

src/DataStreamSuite/DataStreamCore/Messaging/Publish/SinglePubTableBroker.cs

@@ -14,9 +14,9 @@ namespace BCG {
    public class SinglePubTableBroker {
       private readonly string _tag;
       protected IStreamIOMsgSerializer _serializer;
-      protected PublisherCore _publisher_core;
+      protected IPublisherCore _publisher_core;
 
-      public SinglePubTableBroker(string tag, PublisherCore publisher_core) {
+      public SinglePubTableBroker(string tag, IPublisherCore publisher_core) {
          bts.Log.Gen.info($"SinglePubTableBroker.cons created for tag: {tag}");
          _tag = tag;
          _publisher_core = publisher_core;
@@ -51,4 +51,4 @@ namespace BCG {
       }
 
    }
-}
+}

src/DataStreamSuite/DataStreamCore/Messaging/Subscription/TableAccumulator2.cs

@@ -91,7 +91,7 @@ namespace BCG
          IBlueRowCollection d_rows, a_rows;
          //BlueDataUtility.compute_differences_id_based(_table, table_0, out d_rows, out a_rows);
          BlueDataUtility.compute_differences_fast(_table, table_0, out d_rows, out a_rows);
-         _on_update_delegate(_table, a_rows, d_rows);
+         _on_update_delegate?.Invoke(_table, a_rows, d_rows);
       }
 
       public void update(Stream[] streams)

src/DataStreamSuite/DataStreamCore/Messaging/v2/Receive/PubSubServer/PubsubServerStreamTagHandler.cs

@@ -13,6 +13,9 @@ namespace bts {
       public PubsubServerGenericDataHandler() {
          _bw = new BinaryWriter(_str);
       }
+
+      public string TagType => "*";
+
       public void update(string tag, byte[] msg) {
          _str.Position = 0;
          _bw.Write(msg);
@@ -25,9 +28,6 @@ namespace bts {
          Log.Gen.info($"PubsubServerGenericDataHandler.get_content tag: {tag} rv: {rv.Length}");
          return rv;
       }
-      public string[] supportedTagTypes { get; }
-      public void register(InternalPublishDelegate callback) { }
-      public void doWork() { }
    }
 
    // This class is created by the SingleTagData for stream tag_type. Every pub
@@ -40,6 +40,7 @@ namespace bts {
       // this is where the state of the table is kept.
       BlueTable _state = null;
 
+      public string TagType => DSTagManager.DataStreamTagType;
 
       public void update(string tag, byte[] msg) {
          StreamIOMessage str_msg = _deser.deserialize(msg);
@@ -74,15 +75,6 @@ namespace bts {
          Log.Gen.info($"PubsubServerSingleStreamTagHandler.get_content rv: {rv_txt}");
          return rv;
       }
-      public string[] supportedTagTypes {
-         get {
-            return new string[] { "DS" };
-         }
-      }
-      public void register(InternalPublishDelegate callback) {
-
-      }
-      public void doWork() { }
    }
 
    public class PubsubServerStreamTagHandler : IPubSubServerTagHandler {
@@ -92,6 +84,9 @@ namespace bts {
 
       public PubsubServerStreamTagHandler() {
       }
+
+      public string TagType => DSTagManager.DataStreamTagType;
+
       public void update(string tag, byte[] msg) {
          BCG.IPubSubServerTagHandler rv = _get_handler(tag);
          rv.update(tag, msg);
@@ -100,14 +95,6 @@ namespace bts {
          BCG.IPubSubServerTagHandler rv = _get_handler(tag);
          return rv.get_content(tag);
       }
-      public string[] supportedTagTypes {
-         get {
-            List<string> rv = new List<string>();
-            foreach (var h in _handler_map.Values)
-               rv.AddRange(h.supportedTagTypes);
-            return rv.ToArray();
-         }
-      }
 
       private BCG.IPubSubServerTagHandler _get_handler(string tag) {
          PubsubServerSingleStreamTagHandler rv = null;
@@ -117,13 +104,5 @@ namespace bts {
          }
          return rv;
       }
-      public void register(InternalPublishDelegate callback) {
-         foreach (var h in _handler_map.Values)
-            h.register(callback);
-      }
-      public void doWork() {
-         foreach (var h in _handler_map.Values)
-            h.doWork();
-      }
    }
-}
+}

src/DataStreamSuite/DataStreamCore/Services/DataStreamCoreServices.cs

@@ -0,0 +1,19 @@
+namespace Bts.DataStreamCore.Services;
+
+using BCG;
+using BCG.Utilities.General;
+
+using Bts.PubSub;
+
+using Microsoft.Extensions.DependencyInjection;
+
+public static class DataStreamCoreServices {
+   public static IServiceCollection AddPubTableBroker(this IServiceCollection services) =>
+      services.AddSingleton<IPubTableBroker, PubTableBroker>();
+
+   public static IServiceCollection AddViewStreamDatabase(this IServiceCollection services) =>
+      services.AddSingleton<IWorker, ViewStreamDatabase>(sp => {
+         ViewStreamDatabase.SetGlobalInstance(new ViewStreamDatabase(sp.GetRequiredService<ISubscriberCoreFactory>()));
+         return ViewStreamDatabase.instance;
+      });
+}

src/DataStreamSuite/DataStreamCore/ViewStream.cs

@@ -1,11 +1,5 @@
 using System;
 
-using BCG.Utilities;
-
-using Bts.DataStream;
-
-using mbts.config;
-
 namespace BCG
 {
     /// <summary>
@@ -14,17 +8,30 @@ namespace BCG
    public abstract class ViewStream : DataStream
    {
       private IBlueRowCollection myLastValueForTestMode;
-      protected bool myUseUncopiedNewRowsInFireEvent =
-         Configuration.get<DataStreamConfig>().UseUncopiedNewRowsInFire;
+      // protected bool myUseUncopiedNewRowsInFireEvent =
+      //    Configuration.get<DataStreamConfig>().UseUncopiedNewRowsInFire;
+      protected bool myUseUncopiedNewRowsInFireEvent = false;
+
+      string streamName;
 
       public ViewStream (ViewStream sourceStream)
          :
          base(sourceStream)
       {}
 
+      public ViewStream(string streamName) {
+         this.streamName = streamName;
+      }
+
       public ViewStream()
       {}
 
+      public Guid StreamId { get; } = Guid.NewGuid();
+
+      public string StreamName => streamName
+         ?? (myRealSource as ViewStream)?.StreamName
+         ?? GetType().Name;
+
       public IBlueRowCollection rows
       {
          get

src/DataStreamSuite/DataStreamCore/ViewStreamDatabase.cs

@@ -1,16 +1,14 @@
-using System;
-using System.Collections;
-using System.IO;
-using BCG.Utilities;
 using BCG.Utilities.General;
-//using BCG.Utilities.BlueConfiguration;
-using System.Collections.Generic;
-using System.Threading;
-using mbts;
-using System.Linq;
-using System.Diagnostics;
+
+using bts;
+
 using Bts.PubSub;
 
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Threading;
+
 namespace BCG {
    public class ViewStreamDatabase : IWorker, IWorkScheduler, IDisposable {
       internal delegate void TagFireDelegate(string tag);
@@ -19,72 +17,37 @@ namespace BCG {
                                     onDoWorkEnd;
       private event TagFireDelegate onTagFireStart,
                                     onTagFireEnd;
-      //currently onTagUpdate is usd by the DataStreamPerfRecorder to keep track of how often the updates for various streams come in
-      //and how big they are. 
-      //public delegate void OnTagUpdateDelegate(PubMetaData metaData);
-      //public event OnTagUpdateDelegate onTagUpdate;
       private Dictionary<string, ITableAccumulator> _table_accumulator_map = new Dictionary<string, ITableAccumulator>();
       private static ViewStreamDatabase mySelf;
       private ISubscriberCore mySubscriberCore;
       private List<IWorker> _workers = new List<IWorker>();
       private bool myIsDisposed = false;
-      private bool _is_in_do_work = false;
-      private static object myTimeInterval;
       readonly Stopwatch _timer = new();
       readonly TimeSpan myLogTimeThreshold = TimeSpan.FromSeconds(10);
       readonly TimeSpan _dowork_threshold = TimeSpan.FromMilliseconds(500);
       private Thread myThreadOwner = null;  // ViewStreamDatabase takes a thread affinity when created.  If called from a different thread it will assert.
 
       private static readonly object myInstanceLockObject = new object();
-      private readonly object myStateLock = new object();
 
-      public ViewStreamDatabase()
-         : this(new SubscriberCore()) {
-      }
+      public ViewStreamDatabase(ISubscriberCoreFactory subscriberCoreFactory)
+         : this(subscriberCoreFactory.Create()) { }
 
-      public ViewStreamDatabase(ISubscriberCore subscriberCore) {
+      // This ctr is private to ensure the ISubscriberCore is created by ISubscriberCoreFactory. The
+      // factory itself is created via dependency injection so it has the correct runtime config
+      // (for pubsub routing, etc.).
+      ViewStreamDatabase(ISubscriberCore subscriberCore) {
          mySubscriberCore = subscriberCore;
-         // if (DataStreamLoadFileConfig.instance.profileStreams)
-         //    new DataStreamPerfRecorder(this);
       }
 
-      private static int myGetTimeInterval() {
-         if (myTimeInterval == null) {
-            // TODO
-            string timeInterval = String.Empty; //ConfigurationRequester.request("viewStreamDatabaseTimeOut");
-            if (timeInterval == null || timeInterval == "")
-               myTimeInterval = 0;
-            else
-               myTimeInterval = Int32.Parse(timeInterval);
-         }
-         return (int)myTimeInterval;
-      }
-
-      public static int instance_hashcode = -1;
       public static ViewStreamDatabase instance {
          get {
-            if (mySelf == null || mySelf.myIsDisposed)
-               lock (myInstanceLockObject) {
-                  if (mySelf == null || mySelf.myIsDisposed) {
-                     mySelf = new ViewStreamDatabase();
-                     instance_hashcode = mySelf.GetHashCode();
-                  }
-               }
-            return mySelf;
-         }
-         set {
-            lock (myInstanceLockObject) {
-               if (mySelf != null)
-                  mySelf.mySubscriberCore.Dispose();
-               mySelf = value;
-               instance_hashcode = mySelf.GetHashCode();
-            }
+            var rv = mySelf;
+            Log.notnull(rv);
+            Log.assert(!rv.myIsDisposed);
+            return rv;
          }
       }
 
-      public ISubscriberCore subscriber { get { return mySubscriberCore; } }
-
-
       public ITableAccumulator getITableAccumulator(string table_name) {
          // If theres a ITableAccumulator for the tableName its returned (to share subscriptions), otherwise 
          // a new one is obtained from the Subscriber factory
@@ -101,8 +64,6 @@ namespace BCG {
          // TODO
          verifyAccess();
 
-         if (_is_suspended)
-            return;
          if (_is_worker_call_in_progress)
             return;
          else {
@@ -158,7 +119,6 @@ namespace BCG {
                      removeWorker(op.w);
             } finally {
                _pending_worker_ops.Clear();
-               _is_in_do_work = false;
                _is_worker_call_in_progress = false;
                if (onDoWorkEnd != null)
                   onDoWorkEnd();
@@ -166,12 +126,6 @@ namespace BCG {
          }
       }
 
-      private bool _is_suspended = false;
-
-      public void suspend() { _is_suspended = true; }
-
-      public void resume() { _is_suspended = false; }
-
       public bool checkAccess() {
          if (this.myThreadOwner == null) this.myThreadOwner = Thread.CurrentThread;
          return this.myThreadOwner == Thread.CurrentThread;
@@ -203,8 +157,6 @@ namespace BCG {
          return rv;
       }
 
-      public bool isConsistent { get { return true; } }
-
       public void addWorker(IWorker w) {
          verifyAccess();
          if (_is_worker_call_in_progress)
@@ -235,6 +187,13 @@ namespace BCG {
          }
       }
 
+      internal static void SetGlobalInstance(ViewStreamDatabase vsd) {
+         lock (myInstanceLockObject) {
+            Log.isnull(mySelf);
+            mySelf = vsd;
+         }
+      }
+
       private List<PendingAddRemoveWorker> _pending_worker_ops = new List<PendingAddRemoveWorker>();
       private bool _is_worker_call_in_progress = false;
       class PendingAddRemoveWorker {

src/DataStreamSuite/DataStreamExpressions/DataStreamExpressions.csproj

@@ -7,7 +7,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.24.3" />
     <PackageReference Include="YaccLexTools" Version="1.2.2" />
   </ItemGroup>
 
@@ -15,7 +14,6 @@
     <ProjectReference Include="..\ColumnMapExpressions\ColumnMapExpressions.csproj" />
     <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
     <ProjectReference Include="..\ExpressionCore\ExpressionCore.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
   </ItemGroup>
 
   <ItemGroup Label="DataStreamExpression">

src/DataStreamSuite/DataStreamPublisher/Configurations/MarketDataPublisher.json

@@ -1,129 +0,0 @@
-{
-  "user": "bts",
-  "sparkd": "http://192.168.1.80:8000/config",
-  "pubsub": {
-    "milliseconds_between_sub_info_updates": 1000,
-    "milliseconds_between_time_slice_updates": 5000,
-    "milliseconds_between_no_buffer_space_retries": 100,
-    "retries_on_no_buffer_space": 1,
-    "do_it_all_seconds_between_logs": 0,
-    "heartbeat_interval": 15000,
-    "missing_heartbeats_before_gc": 50,
-    "use_managed_sockets": true,
-    "state_update_period": 5000,
-    "statistics_update_period": 5000,
-    "disposed_connection_check_period": 1000,
-    "message_processing_warning_threshold": 1000,
-    "server_port": 12345,
-    "publisher_routes": [
-      {
-        "name": "default",
-        "server_address": "bts-cloud://127.0.0.1:12345",
-        "tag": ".*"
-      }
-    ],
-    "subscriber_routes": [
-      {
-        "name": "default",
-        "server_address": "bts-cloud://127.0.0.1:12345",
-        "tag": ".*"
-      }
-    ],
-    "max_packet_size": 500000000,
-    "blue_comm_must_die": true,
-    "crushable_tags": [],
-    "tag_type_to_assembly_map": [
-      {
-        "handler_class": "BCG.PubSubServerTagHandler",
-        "assembly": "DataStreamCore.dll"
-      }
-    ],
-    "server_queue": "PubSubQueue",
-    "port_range": {
-      "first": 30400,
-      "last": 31700
-    },
-    "bind_to_random_port": false,
-    "debug_tags": "^NOTAGS$",
-    "latency_report_threshold_ms": 1500,
-    "use_substations": false,
-    "use_dynamic_clients": false,
-    "is_substation": false,
-    "internally_publish_sub_info": true,
-    "use_managed_clients_in_native_code": false,
-    "compressed_tags": "^NOTAGS$",
-    "tags_to_report_compression_ratio": "^NOTAGS$",
-    "disable_msmq": false,
-    "use_prepublished_server_state": false,
-    "ip_translation": null,
-    "gc_activation_threshold": 0,
-    "wait_period_after_gc": 1000
-  },
-  "publishers": [
-    {
-      "name": "market_data",
-      "streams": [
-        {
-          "name": "bbo",
-          "expression": "bbo()",
-          "is_on_websocket": true
-        },
-        {
-          "name": "instruments",
-          "expression": "instruments()",
-          "is_on_websocket": true
-        },
-        {
-          "name": "timesales",
-          "expression": "timesales(10000)",
-          "is_on_websocket": true
-        },
-        {
-          "name": "books",
-          "expression": "books()",
-          "is_on_websocket": true
-        }
-      ]
-    },
-    {
-      "name": "test_data",
-      "streams": [
-        {
-          "name": "milliseconds_1000_100",
-          "expression": "milliseconds(1000,100)",
-          "is_on_websocket": true
-        },
-        {
-          "name": "test_literal",
-          "expression": "literal(\"x\", \"420.0\")",
-          "is_on_websocket": true
-        },
-        {
-          "name": "test_not_on_websocket",
-          "expression": "literal(\"x\", \"840.0\")",
-          "is_on_websocket": false
-        }
-      ]
-    }
-    // {
-    //   "name": "news_data",
-    //   "streams": [
-    //     {
-    //       "name": "benzinga_news",
-    //       "expression": "benzingaNews(\"mongodb://localhost:27017\",\"local\",\"news_headlines\", \"30s\", \"5d\")",
-    //       "is_on_websocket": true
-    //     },
-    //     {
-    //       "name": "benzinga_news_symbols",
-    //       "expression": "benzingaNewsSymbols(benzinga_news)",
-    //       "is_on_websocket": true
-    //     },
-    //     {
-    //       "name": "benzinga_news_symbol_state",
-    //       "expression": "benzingaNewsSymbolState(benzinga_news)",
-    //       "is_on_websocket": true
-    //     }
-    //   ]
-    // }
-  ]
-}

src/DataStreamSuite/DataStreamPublisher/Configurations/ReplayMarketData/.env

@@ -0,0 +1,2 @@
+MD_PUBLISHER__CONFIG_DIR=src/DataStreamSuite/DataStreamPublisher/Configurations/ReplayMarketData
+DOTNET_ENVIRONMENT=ReplayMarketData

src/DataStreamSuite/DataStreamPublisher/Configurations/SimpleEchoClient.json

@@ -1,4 +0,0 @@
-{
-  "user": "bts",
-  "simple_echo_client": true
-}

src/DataStreamSuite/DataStreamPublisher/Configurations/SimpleTestDataPublisher.json

@@ -1,73 +0,0 @@
-{
-  "user": "bts",
-  "pubsub": {
-    "milliseconds_between_sub_info_updates": 1000,
-    "milliseconds_between_time_slice_updates": 5000,
-    "milliseconds_between_no_buffer_space_retries": 100,
-    "retries_on_no_buffer_space": 1,
-    "do_it_all_seconds_between_logs": 0,
-    "heartbeat_interval": 15000,
-    "missing_heartbeats_before_gc": 50,
-    "use_managed_sockets": true,
-    "state_update_period": 5000,
-    "statistics_update_period": 5000,
-    "disposed_connection_check_period": 1000,
-    "message_processing_warning_threshold": 1000,
-    "server_port": 12345,
-    "publisher_routes": [
-      {
-        "name": "default",
-        "server_address": "bluto://localhost:12345",
-        "tag": ".*"
-      }
-    ],
-    "subscriber_routes": [
-      {
-        "name": "default",
-        "server_address": "bluto://localhost:12345",
-        "tag": ".*"
-      }
-    ],
-    "max_packet_size": 500000000,
-    "blue_comm_must_die": true,
-    "crushable_tags": [],
-    "tag_type_to_assembly_map": [
-      {
-        "handler_class": "BCG.PubSubServerTagHandler",
-        "assembly": "DataStreamCore.dll"
-      }
-    ],
-    "server_queue": "PubSubQueue",
-    "port_range": {
-      "first": 30400,
-      "last": 31700
-    },
-    "bind_to_random_port": false,
-    "debug_tags": "^NOTAGS$",
-    "latency_report_threshold_ms": 1500,
-    "use_substations": false,
-    "use_dynamic_clients": false,
-    "is_substation": false,
-    "internally_publish_sub_info": true,
-    "use_managed_clients_in_native_code": false,
-    "compressed_tags": "^NOTAGS$",
-    "tags_to_report_compression_ratio": "^NOTAGS$",
-    "disable_msmq": false,
-    "use_prepublished_server_state": false,
-    "ip_translation": null,
-    "gc_activation_threshold": 0,
-    "wait_period_after_gc": 1000
-  },
-  "publishers": [
-    {
-      "name": "test_data",
-      "streams": [
-        {
-          "name": "test_literal",
-          "expression": "literal(\"x\", \"420.0\")",
-          "is_on_websocket": true
-        }
-      ]
-    }
-  ]
-}

src/DataStreamSuite/DataStreamPublisher/Configurations/TestDataPublisher.json

@@ -1,40 +0,0 @@
-{
-  "user": "bts",
-  "publishers": [
-    {
-      "name": "test_data",
-      "streams": [
-        {
-          "name": "seconds_1_10",
-          "expression": "milliseconds(1000,10)",
-          "is_on_websocket": true
-        },
-        {
-          "name": "benzinga_news",
-          "expression": "benzingaNews(\"mongodb://localhost:27017\",\"local\",\"news_headlines\", \"30s\", \"5d\")",
-          "is_on_websocket": true
-        },
-        {
-          "name": "benzinga_news_symbols",
-          "expression": "benzingaNewsSymbols(benzinga_news)",
-          "is_on_websocket": true
-        },
-        {
-          "name": "benzinga_news_symbol_state",
-          "expression": "benzingaNewsSymbolState(benzinga_news)",
-          "is_on_websocket": true
-        },
-        {
-          "name": "test_literal",
-          "expression": "literal(\"x\", \"420.0\")",
-          "is_on_websocket": true
-        },
-        {
-          "name": "test_not_on_websocket",
-          "expression": "literal(\"x\", \"840.0\")",
-          "is_on_websocket": false
-        }
-      ]
-    }
-  ]
-}

src/DataStreamSuite/DataStreamPublisher/CsvPublisherConfig.cs

@@ -0,0 +1,6 @@
+namespace Bts.DataStreamPublisher;
+
+public class CsvPublisherConfig {
+   public string? Name { get; set; }
+   public string? CsvDir { get; set; }
+}

src/DataStreamSuite/DataStreamPublisher/DataStreamPublisher.csproj

@@ -12,11 +12,17 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\client\spark_api\spark_api.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-    <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
-    <ProjectReference Include="..\DataStream\DataStream.csproj" />
-    <ProjectReference Include="..\PubSub\PubSub.csproj" />
+    <ProjectReference Include="..\Bts.Extensions.Hosting\Bts.Extensions.Hosting.csproj" />
+    <ProjectReference Include="..\SharedStreams\SharedStreams.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ConfigurationProfile Include="appsettings.Development.json" />
+    <ConfigurationProfile Include="appsettings.MarketData.json" />
+    <ConfigurationProfile Include="appsettings.Production.json" />
+    <ConfigurationProfile Include="appsettings.ProductionAws.json" />
+    <ConfigurationProfile Include="appsettings.Staging.json" />
+    <ConfigurationProfile Include="appsettings.json" />
   </ItemGroup>
 
 </Project>

src/DataStreamSuite/DataStreamPublisher/DataStreamPublisherConfig.cs

@@ -1,7 +1,5 @@
 namespace Bts.DataStreamPublisher;
 
-using Bts.PubSub;
-
 using CommandLine;
 
 using System;
@@ -10,49 +8,13 @@ using System.IO;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-public class DataStreamPublisherConfig
-{
-   /// <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; }
-
+public class DataStreamPublisherConfig {
    /// <summary>
    /// The tables to publish on startup. Each key/value represents a table name/query to publish.
    /// </summary>
-   [JsonPropertyName("publishers")]
-   public List<PublisherNode>? Publishers { get; set; }
+   public List<PublisherNode>? PublisherNodes { get; set; }
 
-   [JsonPropertyName("mongodb_url")]
-   public string MONGO_DB_URL { get; set; }
-
-   [JsonPropertyName("mongodb_db_name")]
-   public string MONGO_DB_NAME { get; set; }
-
-   [JsonPropertyName("mongodb_db_collection")]
-   public string MONGO_DB_COLLECTION { get; set; }
-
-   [JsonPropertyName("benzinga_news_ttl")]
-   public string BENZINGA_NEWS_TTL { get; set; }
-
-   [JsonPropertyName("pubsub")]
-   public PubSubConfig? PubSub { get; set; }
+   public List<string>? CsvDirs { get; set; }
 
    [Option(
       "config",
@@ -62,18 +24,10 @@ public class DataStreamPublisherConfig
    public string? ConfigFile { get; set; }
 
    public static DataStreamPublisherConfig Default() =>
-      new()
-      {
-         PubSub = PubSubConfig.Default(),
-      };
+      new() { };
 
-   public void MergeWith(DataStreamPublisherConfig other)
-   {
-      User ??= other.User;
-      Password ??= other.Password;
-      Sparkd ??= other.Sparkd;
-      Publishers ??= other.Publishers;
-      PubSub ??= other.PubSub;
+   public void MergeWith(DataStreamPublisherConfig other) {
+      PublisherNodes ??= other.PublisherNodes;
       ConfigFile ??= other.ConfigFile;
    }
 
@@ -84,10 +38,8 @@ public class DataStreamPublisherConfig
    /// <exception cref="InvalidOperationException">
    /// JsonSerializer.Deserialize returns null
    /// </exception>
-   public void MergeWithConfigFile()
-   {
-      if (ConfigFile is null)
-      {
+   public void MergeWithConfigFile() {
+      if (ConfigFile is null) {
          return;
       }
       var cfgString = File.ReadAllText(ConfigFile);

src/DataStreamSuite/DataStreamPublisher/Dockerfile

@@ -0,0 +1,16 @@
+FROM bluetradingsystems/linux_dotnet8
+
+ARG CONFIG_DIR="src/DataStreamSuite/DataStreamPublisher/Configurations/Development"
+ARG SOURCE_DIR="build/Release/bin/net8.0/linux-x64/publish"
+
+ENV DOCKERIZE_VERSION=v0.7.0
+USER root
+RUN apt-get update \
+    && apt-get install -y wget \
+    && wget -O - https://github.com/jwilder/dockerize/releases/download/$DOCKERIZE_VERSION/dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz | tar xzf - -C /usr/local/bin \
+    && apt-get autoremove -yqq --purge wget && rm -rf /var/lib/apt/lists/*
+
+USER "bts"
+COPY --chown=bts:bts "${SOURCE_DIR}" "bin"
+COPY --chown=bts:bts "${CONFIG_DIR}" "/home/bts/.local/share/bts/DataStreamPublisher/conf"
+WORKDIR "/home/bts/bin"

src/DataStreamSuite/DataStreamPublisher/Program.cs

@@ -1,166 +1,38 @@
-using BCG;
-using BCG.Utilities.General;
+using Bts.DataStream.Services;
+using Bts.DataStreamCore.Services;
+using Bts.DataStreamPublisher.Services;
+using Bts.Extensions.Hosting;
+using Bts.PubSub.Services;
 
-using bts;
-using bts.api.core;
-using bts.utils;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
 
-using Bts.DataStreamExpressions;
-using Bts.DataStreamPublisher;
-using Bts.PubSub;
-
-using CommandLine;
-
-using mbts.config;
+using Spark.Api.Services;
+using Spark.Core.Services;
 
 using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text.Json;
-using System.Threading.Tasks;
 
-await Parser.Default.ParseArguments<DataStreamPublisherConfig>(args)
-   .MapResult(RunAsync, errs => Task.FromResult(1));
-
-async Task<int> RunAsync(DataStreamPublisherConfig cfg)
-{
-   try
-   {
-      cfg.MergeWithConfigFile();
-      cfg.MergeWith(DataStreamPublisherConfig.Default());
-      PubSubConfig.SetGlobalConfig(Log.notnull(cfg.PubSub));
-      Configuration.initialize(cfg.Sparkd);
-      Log.Gen.info("Starting DataStreamPublisher");
-      var service_ctx = ServiceContext.create(cfg.Sparkd);
-      await service_ctx.login(cfg.User ?? "bts", cfg.Password ?? string.Empty);
-      _publish_streams(cfg.Publishers ?? new(0));
-   }
-   catch (Exception ex)
-   {
-      // Write the error to console first, in case the logging system is compromised.
-      var error_msg = $"DataStreamPublisher threw exception:\n{ex}";
-      Console.Error.WriteLine(error_msg);
-      Console.Error.Flush();
-      bts.Log.Gen.error(error_msg);
-      return 1;
-   }
-   return 0;
+var host = HostBuilderExtensions.CreateBtsBuilder(args)
+   .ConfigureServices(ConfigureServices)
+   .Build();
+try {
+   Console.Write("Starting DataStreamPublisher");
+   host.Run();
+   Console.Write("DataStreamPublisher exited gracefully.");
+} catch (Exception ex) {
+   Console.Error.Write($"DataStreamPublisher crashed: {ex}");
+   return 1;
 }
+return 0;
 
-static ViewStream? build_stream(string? stream_expression)
-{
-   // Console.WriteLine("Hit key to continue");
-   // Console.ReadLine();
-   if (stream_expression is null)
-   {
-      return null;
-   }
-   try
-   {
-      bts.Log.Gen.info($"build_stream stream_expression: {stream_expression}");
-      var exp = DataStreamExpressionsInterpreter.Evaluate(stream_expression);
-      var rv = exp.getView(new Dictionary<string, StatementExpression>(0));
-      return rv;
-
-   }
-   catch (Exception ex)
-   {
-      bts.Log.assert(false, $"Could not build stream: {stream_expression} ex: {ex}");
-      return null;
-   }
-}
-
-void _publish_streams(IEnumerable<PublisherNode> publishers)
-{
-   PubTableBroker pb_broker = new PubTableBroker();
-   RemoteQueryManager csm = new RemoteQueryManager();
-   var csvPublishers = new List<CSVPublisher>();
-
-   foreach (var publisher in publishers)
-   {
-      if (Directory.Exists(publisher.CsvDir))
-      {
-         csvPublishers.Add(new(publisher.CsvDir, pb_broker));
-      }
-   }
-
-   var viewPublishers = publishers
-      .SelectMany(p => p.Streams.empty_if_null().Select(createViewPublisher))
-      .ToList();
-
-   while (true)
-   {
-      System.Threading.Thread.Sleep(TimeSpan.FromSeconds(1));
-      ViewStreamDatabase.instance.doWork();
-      csm.doWork();
-      MasterWorker.getInstance(false).doWork();
-      ManagedSubscriber.instance.doWork();
-   }
-
-   ViewPublisher? createViewPublisher(PublishedStream ps)
-   {
-      Log.Gen.info(
-         $"Instantiating ViewPublisher for: {JsonSerializer.Serialize(ps)}");
-      if (string.IsNullOrEmpty(ps.Name))
-      {
-         Log.Gen.warn(
-            $"Failed to instantiate ViewPublisher. Null/empty 'name': {JsonSerializer.Serialize(ps)}");
-         return null;
-      }
-      var vs = build_stream(ps.Expression);
-      if (vs is null)
-      {
-         Log.Gen.warn(
-            $"Failed to instantiate ViewPublisher. Invalid 'expression': {JsonSerializer.Serialize(ps)}");
-         return null;
-      }
-      var vpub = new ViewPublisher(ps.Name, pb_broker, vs);
-      vs.onChange += on_change;
-      return vpub;
-   }
-}
-
-void on_change(object obj)
-{
-   bts.Log.Gen.info($"DSPublisher on_change dp: {obj}");
-}
-
-public class CSVPublisher : IWorker
-{
-   private IDictionary<string, ViewPublisher> _pubs = new Dictionary<string, ViewPublisher>();
-   private readonly string _csv_directory;
-   private PubTableBroker _pub_table_broker;
-
-   public CSVPublisher(string csv_directory, PubTableBroker pub_table_broker)
-   {
-      _csv_directory = csv_directory;
-      _pub_table_broker = pub_table_broker;
-      MasterWorker.getInstance(false).addWorker(this, TimeSpan.FromSeconds(1));
-   }
-   public void doWork()
-   {
-      var file_names = Directory.GetFiles(_csv_directory);
-      foreach (var fn in file_names)
-      {
-         if (!_pubs.ContainsKey(fn))
-         {
-            _handle_new_file(fn);
-         }
-      }
-   }
-
-   private void _handle_new_file(string file_name)
-   {
-      if (file_name.EndsWith(".csv"))
-      {
-         ViewStream vs = new CSVReaderStream(file_name);
-         vs = new SchemaGuesserStream(vs);
-         var toks = file_name.Split('\\');
-         string table_name = toks.Last();
-         table_name = table_name.Remove(table_name.Length - ".csv".Length);
-         ViewPublisher vp = new ViewPublisher(table_name, _pub_table_broker, vs);
-         _pubs.Add(file_name, vp);
-      }
-   }
+static void ConfigureServices(HostBuilderContext context, IServiceCollection services) {
+   var config = context.Configuration;
+   services.AddSpark(config.GetSection("Spark"))
+      .AddSparkApi(config.GetSection("SparkApi"))
+      .AddMasterWorker(config.GetSection("MasterWorker"))
+      .AddViewStreamDatabase()
+      .AddPubSubClient(config.GetSection("PubSub"))
+      .AddPubTableBroker()
+      .AddRemoteQueryManager()
+      .AddDataStreamPublisher(config.GetSection("DataStreamPublisher"));
 }

src/DataStreamSuite/DataStreamPublisher/PublisherNode.cs

@@ -9,7 +9,4 @@ public class PublisherNode {
 
    [JsonPropertyName("streams")]
    public List<PublishedStream>? Streams { get; set; }
-
-   [JsonPropertyName("csv_dir")]
-   public string? CsvDir { get; set; }
 }

src/DataStreamSuite/DataStreamPublisher/Services/CsvPublisher.cs

@@ -0,0 +1,39 @@
+namespace Bts.DataStreamPublisher.Services;
+
+using BCG;
+using BCG.Utilities.General;
+
+using bts;
+
+using Bts.DataStreamCore;
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+public class CsvPublisher : IWorker, IDisposable {
+   readonly Dictionary<string, ViewPublisher> publishers = new();
+   readonly string directory;
+   readonly IPubTableBroker pubTableBroker;
+
+   public CsvPublisher(string directory, IPubTableBroker pubTableBroker) {
+      this.directory = directory;
+      this.pubTableBroker = pubTableBroker;
+   }
+
+   public void doWork() {
+      var newFiles = Directory.GetFiles(directory, "*.csv").WhereNot(publishers.ContainsKey);
+      foreach (var file in newFiles) {
+         ViewStream vs = new CSVReaderStream(file);
+         vs = new SchemaGuesserStream(vs);
+         var tableName = Path.GetFileNameWithoutExtension(file);
+         var vp = new ViewPublisher(tableName, pubTableBroker, vs);
+         publishers.Add(file, vp);
+      }
+   }
+
+   public void Dispose() {
+      publishers.Values.DisposeAll();
+      publishers.Clear();
+   }
+}

src/DataStreamSuite/DataStreamPublisher/Services/DataStreamPublisherService.cs

@@ -0,0 +1,105 @@
+namespace Bts.DataStreamPublisher.Services;
+
+using BCG;
+
+using bts;
+
+using Bts.DataStreamCore;
+using Bts.DataStreamExpressions;
+using Bts.PubSub;
+
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Options;
+
+using Spark.Core.Disposables;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.Json;
+using System.Threading;
+using System.Threading.Tasks;
+
+/// <summary>
+/// An <see cref="IHostedService"/> that publishes <see cref="ViewStream"/>s to the PubSub.
+/// It can be added to the application's services via <see cref="DataStreamPublisherServices.AddDataStreamPublisher"/>
+/// </summary>
+public sealed class DataStreamPublisherService : IHostedService, IDisposable {
+   readonly DataStreamPublisherConfig config;
+   readonly IPubTableBroker pubTableBroker;
+   readonly IWorkScheduler workScheduler;
+   List<IDisposable>? resources = new();
+
+   public DataStreamPublisherService(IPubTableBroker pubTableBroker, IWorkScheduler workScheduler, IOptions<DataStreamPublisherConfig> config)
+      : this(pubTableBroker, workScheduler, config.Value) { }
+
+   public DataStreamPublisherService(IPubTableBroker pubTableBroker, IWorkScheduler workScheduler, DataStreamPublisherConfig config) {
+      this.pubTableBroker = pubTableBroker;
+      this.workScheduler = workScheduler;
+      this.config = config;
+   }
+
+   public Task StartAsync(CancellationToken cancellationToken) {
+      cancellationToken.ThrowIfCancellationRequested();
+      resources = new();
+      foreach (var publisherNode in config.PublisherNodes.empty_if_null()) {
+         foreach (var publishedStream in publisherNode.Streams.empty_if_null()) {
+            if (string.IsNullOrEmpty(publishedStream.Name)) {
+               Log.Gen.warn("Skipping PublishedStream because it doesn't have a name (must define 'Name' in config json).");
+               continue;
+            }
+            var vs = CreateViewStream(publishedStream);
+            if (vs is null) {
+               continue;
+            }
+            resources.Add(new ViewPublisher(publishedStream.Name, pubTableBroker, vs));
+         }
+      }
+      var csvPublishers = config.CsvDirs.empty_if_null().Select(csvDir => new CsvPublisher(csvDir, pubTableBroker)).ToList();
+      resources.AddRange(csvPublishers);
+      resources.Add(workScheduler.Subscribe(new CompositeWorker(csvPublishers)));
+      return Task.CompletedTask;
+   }
+
+   public Task StopAsync(CancellationToken cancellationToken) {
+      cancellationToken.ThrowIfCancellationRequested();
+      Dispose();
+      return Task.CompletedTask;
+   }
+
+   public void Dispose() {
+      resources?.DisposeAll();
+      resources?.Clear();
+   }
+
+   static ViewStream? CreateViewStream(PublishedStream ps) {
+      Log.Gen.info(
+         $"Instantiating ViewPublisher for: {JsonSerializer.Serialize(ps)}");
+      if (string.IsNullOrEmpty(ps.Name)) {
+         Log.Gen.warn(
+            $"Failed to instantiate ViewPublisher. Null/empty 'name': {JsonSerializer.Serialize(ps)}");
+         return null;
+      }
+      var vs = buildStream(ps.Expression);
+      if (vs is null) {
+         Log.Gen.warn(
+            $"Failed to instantiate ViewPublisher. Invalid 'expression': {JsonSerializer.Serialize(ps)}");
+         return null;
+      }
+      return vs;
+   }
+
+   static ViewStream? buildStream(string? streamExpression) {
+      if (streamExpression is null) {
+         return null;
+      }
+      try {
+         Log.Gen.info($"Building ViewStream: {streamExpression}");
+         var exp = DataStreamExpressionsInterpreter.Evaluate(streamExpression);
+         return exp.getView(new Dictionary<string, StatementExpression>(0));
+      } catch (Exception ex) {
+         Log.assert(false, $"Could not build stream. expression: {streamExpression}; ex: {ex}");
+         return null;
+      }
+   }
+}

src/DataStreamSuite/DataStreamPublisher/Services/DataStreamPublisherServices.cs

@@ -0,0 +1,10 @@
+namespace Bts.DataStreamPublisher.Services;
+
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+public static class DataStreamPublisherServices {
+   public static IServiceCollection AddDataStreamPublisher(this IServiceCollection services, IConfiguration configurationSection) =>
+      services.Configure<DataStreamPublisherConfig>(configurationSection)
+         .AddHostedService<DataStreamPublisherService>();
+}

src/DataStreamSuite/DataStreamPublisher/appsettings.Development.json

@@ -0,0 +1,39 @@
+{
+  "PubSub": {
+    "Routing": {
+      "PublisherRoutes": [
+        {
+          "Name": "default",
+          "ServerAddress": "bts-cloud://127.0.0.1:22019",
+          "TagRegExp": ".*"
+        }
+      ],
+      "SubscriberRoutes": [
+        {
+          "Name": "default",
+          "ServerAddress": "bts-cloud://127.0.0.1:22019",
+          "TagRegExp": ".*"
+        }
+      ]
+    }
+  },
+  "DataStreamPublisher": {
+    "PublisherNodes": [
+      {
+        "Name": "test_data",
+        "Streams": [
+          {
+            "Name": "seconds_1_10",
+            "Expression": "milliseconds(1000,10)",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "test_literal",
+            "Expression": "literal(\"x\", \"420.0\")",
+            "IsOnWebsocket": true
+          }
+        ]
+      }
+    ]
+  }
+}

src/DataStreamSuite/DataStreamPublisher/appsettings.MarketData.json

@@ -0,0 +1,63 @@
+{
+  "Spark": {
+    "ConfigServer": "http://sparkd:8000/config"
+  },
+  "SparkApi": {
+    "Credentials": {
+      "User": "bts",
+      "Password": ""
+    },
+    "EnableAdmin": true,
+    "EnableOrders": true,
+    "EnablePosition": true
+  },
+  "DataStreamPublisher": {
+    "PublisherNodes": [
+      {
+        "Name": "market_data",
+        "Streams": [
+          {
+            "Name": "bbo",
+            "Expression": "bbo()",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "instruments",
+            "Expression": "instruments()",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "timesales",
+            "Expression": "timesales(10000)",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "books",
+            "Expression": "books()",
+            "IsOnWebsocket": true
+          }
+        ]
+      },
+      {
+        "Name": "test_data",
+        "Streams": [
+          {
+            "Name": "milliseconds_1000_100",
+            "Expression": "milliseconds(3000,5)",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "test_literal",
+            "Expression": "literal(\"x\", \"420.0\")",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "test_not_on_websocket",
+            "Expression": "literal(\"x\", \"840.0\")",
+            "IsOnWebsocket": false
+          }
+        ]
+      }
+    ]
+  }
+}

src/DataStreamSuite/DataStreamPublisher/appsettings.Production.json

@@ -0,0 +1 @@
+{}

src/DataStreamSuite/DataStreamPublisher/appsettings.ProductionAws.json

@@ -0,0 +1,91 @@
+{
+  "Spark": {
+    "ConfigServer": "http://localhost:8000/config"
+  },
+  "SparkApi": {
+    "Credentials": {
+      "User": "bts",
+      "Password": ""
+    },
+    "EnableAdmin": true,
+    "EnableOrders": true,
+    "EnablePosition": true
+  },
+  "PubSub": {
+    "Routing": {
+      "PublisherRoutes": [
+        {
+          "Name": "default",
+          "ServerAddress": "bts-cloud://172.30.2.181:22019",
+          "TagRegExp": ".*"
+        }
+      ],
+      "SubscriberRoutes": [
+        {
+          "Name": "default",
+          "ServerAddress": "bts-cloud://172.30.2.181:22019",
+          "TagRegExp": ".*"
+        }
+      ]
+    }
+  },
+  "DataStreamPublisher": {
+    "PublisherNodes": [
+      {
+        "Name": "market_data",
+        "Streams": [
+          {
+            "Name": "bbo",
+            "Expression": "bbo()",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "instruments",
+            "Expression": "instruments()",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "timesales",
+            "Expression": "timesales(10000)",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "books",
+            "Expression": "books()",
+            "IsOnWebsocket": true
+          }
+        ]
+      },
+      {
+        "Name": "test_data",
+        "Streams": [
+          {
+            "Name": "seconds_1_10",
+            "Expression": "milliseconds(1000,10)",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "benzinga_news",
+            "Expression": "benzingaNews(\"mongodb://mongoadmin:bts@172.30.2.181:27017/?directConnection=true&serverSelectionTimeoutMS=2000&authSource=admin&appName=mongosh+2.2.12\" ,\"benzinga_news\",\"news_headlines\", \"30s\", \"5d\")",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "benzinga_news_symbols",
+            "Expression": "benzingaNewsSymbols(benzinga_news)",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "benzinga_news_symbol_state",
+            "Expression": "benzingaNewsSymbolState(benzinga_news)",
+            "IsOnWebsocket": true
+          },
+          {
+            "Name": "test_literal",
+            "Expression": "literal(\"x\", \"420.0\")",
+            "IsOnWebsocket": true
+          }
+        ]
+      }
+    ]
+  }
+}

src/DataStreamSuite/DataStreamPublisher/appsettings.ReplayMarketData.json

@@ -0,0 +1,49 @@
+{
+  "Spark": {
+    "ConfigServer": "http://sparkd:8000/config"
+  },
+  "SparkApi": {
+    "IsEnabled": true,
+    "EnableOrders": false,
+    "EnablePositions": false,
+    "EnableMarketData": false,
+    "EnableAdmin": false,
+    "Credentials": {
+      "User": "bts",
+      "Password": ""
+    }
+  },
+  "DatabentoMarketDataReplayer": {
+    "IsEnabled": true,
+    "BeginTime": "2025/07/01 09:30:00",
+    "EndTime": "2025/07/01 10:00:00",
+    "SecurityGroups": [
+      {
+        "Venue": "Glbx",
+        "Asset": "ES",
+        "SecurityType": "Future"
+      }
+    ]
+  },
+  "DataStreamPublisher": {
+    "PublisherNodes": [
+      {
+        "Name": "MarketData",
+        "Streams": [
+          {
+            "Name": "bbo",
+            "Expression": "bbo()"
+          },
+          {
+            "Name": "instruments",
+            "Expression": "instruments()"
+          },
+          {
+            "Name": "trades",
+            "Expression": "trades()"
+          }
+        ]
+      }
+    ]
+  }
+}

src/DataStreamSuite/DataStreamPublisher/appsettings.Staging.json

@@ -0,0 +1 @@
+{}

src/DataStreamSuite/DataStreamPublisher/appsettings.json

@@ -0,0 +1,93 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "Spark": {},
+  "MasterWorker": {
+    "Interval": "00:00:00.1"
+  },
+  "ViewStreamDatabase": {
+    "Interval": "00:00:00.1"
+  },
+  "PrimitiveStream": {
+    "Assemblies": [
+      "DataStream.dll",
+      "SharedStreams.dll"
+    ],
+    "ExcludedTypes": [
+      "SettlementPriceStream",
+      "OHLCVStream"
+    ]
+  },
+  "PubSub": {
+    "HeartbeatInterval": 15000,
+    "MissingHeartbeatsBeforeGc": 50,
+    "DisposedConnectionCheckPeriod": 1000,
+    "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"
+        }
+      ]
+    }
+  },
+  "DataStreamPublisher": {
+    "PublisherNodes": [
+      {
+        "Name": "test_data",
+        "Streams": [
+          {
+            "Name": "test_literal",
+            "Expression": "literal(\"test_literal\", \"x/Double\", \"420.0\")",
+            "IsOnWebsocket": true
+          }
+        ]
+      }
+    ]
+  }
+}

src/DataStreamSuite/DataStreamQueryAnalyzer.sln

@@ -16,9 +16,9 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PubSubServer", "PubSubServe
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BooleanExpressions", "BooleanExpressions\BooleanExpressions.csproj", "{EE53687E-BB62-45C6-A1B0-9B8F16B4E2C1}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "spark_core", "..\client\spark_core\spark_core.csproj", "{88E70136-91AE-4F56-B243-8F4642B46D6A}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Core", "..\client\Bts.Spark.Core\Bts.Spark.Core.csproj", "{88E70136-91AE-4F56-B243-8F4642B46D6A}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "spark_api", "..\client\spark_api\spark_api.csproj", "{52DD33DB-00F5-44BF-AE0F-5FC58FB2277E}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Api", "..\cs\Bts.Spark.Api\Bts.Spark.Api.csproj", "{52DD33DB-00F5-44BF-AE0F-5FC58FB2277E}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BlueRegistry", "BlueRegistry\BlueRegistry.csproj", "{0FD1BE7A-AEC8-4575-BA58-20E0F45E5214}"
 EndProject

src/DataStreamSuite/DataStreamQueryAnalyzer/Configurations/DataStreamQueryAnalyzer.json

@@ -1,62 +1,73 @@
 {
-  "user": "bts",
-  "sparkd": "http://127.0.0.1:8000/config",
-  "pubsub": {
-    "milliseconds_between_sub_info_updates": 1000,
-    "milliseconds_between_time_slice_updates": 5000,
-    "milliseconds_between_no_buffer_space_retries": 100,
-    "retries_on_no_buffer_space": 1,
-    "do_it_all_seconds_between_logs": 0,
-    "heartbeat_interval": 15000,
-    "missing_heartbeats_before_gc": 50,
-    "use_managed_sockets": true,
-    "state_update_period": 5000,
-    "statistics_update_period": 5000,
-    "disposed_connection_check_period": 1000,
-    "message_processing_warning_threshold": 1000,
-    "server_port": 12345,
-    "publisher_routes": [
-      {
-        "name": "default",
-        "server_address": "bts-cloud://127.0.0.1:12345",
-        "tag": ".*"
-      }
-    ],
-    "subscriber_routes": [
-      {
-        "name": "default",
-        "server_address": "bts-cloud://127.0.0.1:12345",
-        "tag": ".*"
-      }
-    ],
-    "max_packet_size": 500000000,
-    "blue_comm_must_die": true,
-    "crushable_tags": [],
-    "tag_type_to_assembly_map": [
-      {
-        "handler_class": "BCG.PubSubServerTagHandler",
-        "assembly": "DataStreamCore.dll"
-      }
-    ],
-    "server_queue": "PubSubQueue",
-    "port_range": {
-      "first": 30400,
-      "last": 31700
+  "MasterWorker": {
+    "Interval": "00:00:00.1"
+  },
+  "ViewStreamDatabase": {
+    "Interval": "00:00:00.1"
+  },
+  "Spark": {
+    "ConfigServer": "http://127.0.0.1:8000/config"
+  },
+  "SparkApi": {
+    "Credentials": {
+      "User": "bts",
+      "Password": ""
     },
-    "bind_to_random_port": false,
-    "debug_tags": "^NOTAGS$",
-    "latency_report_threshold_ms": 1500,
-    "use_substations": false,
-    "use_dynamic_clients": false,
-    "is_substation": false,
-    "internally_publish_sub_info": true,
-    "use_managed_clients_in_native_code": false,
-    "compressed_tags": "^NOTAGS$",
-    "tags_to_report_compression_ratio": "^NOTAGS$",
-    "disable_msmq": false,
-    "use_prepublished_server_state": false,
-    "ip_translation": null,
-    "gc_activation_threshold": 0,
-    "wait_period_after_gc": 1000
+    "EnableAdmin": true,
+    "EnableOrders": true,
+    "EnablePosition": true
+  },
+  "PubSub": {
+    "HeartbeatInterval": 15000,
+    "MissingHeartbeatsBeforeGc": 50,
+    "ServerPort": 12345,
+    "Routing": {
+      "PublisherRoutes": [
+        {
+          "Name": "default",
+          "ServerAddress": "bts-cloud://127.0.0.1:12345",
+          "TagRegExp": ".*"
+        }
+      ],
+      "SubscriberRoutes": [
+        {
+          "Name": "default",
+          "ServerAddress": "bts-cloud://127.0.0.1:12345",
+          "TagRegExp": ".*"
+        }
+      ]
+    },
+    "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/DataStreamQueryAnalyzer/DataStreamQueryAnalyzer.csproj

@@ -12,16 +12,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\client\spark_api\spark_api.csproj" />
-    <ProjectReference Include="..\..\client\spark_core\spark_core.csproj" />
-    <ProjectReference Include="..\PubSub\PubSub.csproj" />
-    <ProjectReference Include="..\DataStream\DataStream.csproj" />
-    <ProjectReference Include="..\DataStreamCore\DataStreamCore.csproj" />
     <ProjectReference Include="..\BlueRegistry\BlueRegistry.csproj" />
     <ProjectReference Include="..\BaseUtilities\BaseUtilities.csproj" />
     <ProjectReference Include="..\GuiUtilities\GuiUtilities.csproj" />
-    <ProjectReference Include="..\BooleanExpressions\BooleanExpressions.csproj" />
-    <ProjectReference Include="..\DataStreamExpressions\DataStreamExpressions.csproj" />
     <ProjectReference Include="..\SharedStreams\SharedStreams.csproj" />
   </ItemGroup>