img/ipc-page2.svg

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lengthAdjust="spacing" textLength="476" x="119" y="456.4609">ipc::Send(ipc::HostCmdMsg::Cmd::CtrlModule/Load, host-target)</text><line style="stroke:#000000;stroke-width:1.0;" x1="622" x2="664" y1="490.9897" y2="490.9897"/><line style="stroke:#000000;stroke-width:1.0;" x1="664" x2="664" y1="490.9897" y2="503.9897"/><line style="stroke:#000000;stroke-width:1.0;" x1="623" x2="664" y1="503.9897" y2="503.9897"/><polygon fill="#000000" points="633,499.9897,623,503.9897,633,507.9897,629,503.9897" style="stroke:#000000;stroke-width:1.0;"/><text fill="#000000" font-family="Verdana" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="18" x="629" y="486.2603">20</text><text fill="#000000" font-family="Verdana" font-size="13" lengthAdjust="spacing" textLength="280" x="651" y="486.2603">ModuleHost::OnMessageFromBroker()</text><line style="stroke:#000000;stroke-width:1.0;" x1="622" x2="664" y1="533.7891" y2="533.7891"/><line style="stroke:#000000;stroke-width:1.0;" x1="664" 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y="614.6582">ModuleHost::LoadManagedDllModule(path/to/dll)</text><line style="stroke:#000000;stroke-width:1.0;" x1="622" x2="664" y1="662.187" y2="662.187"/><line style="stroke:#000000;stroke-width:1.0;" x1="664" x2="664" y1="662.187" y2="675.187"/><line style="stroke:#000000;stroke-width:1.0;" x1="623" x2="664" y1="675.187" y2="675.187"/><polygon fill="#000000" points="633,671.187,623,675.187,633,679.187,629,675.187" style="stroke:#000000;stroke-width:1.0;"/><text fill="#000000" font-family="Verdana" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="18" x="629" y="657.4575">24</text><text fill="#000000" font-family="Verdana" font-size="13" lengthAdjust="spacing" textLength="209" x="651" y="657.4575">Load .Net CLR if not yet done</text><polygon fill="#000000" points="1526,700.9863,1536,704.9863,1526,708.9863,1530,704.9863" style="stroke:#000000;stroke-width:1.0;"/><line style="stroke:#000000;stroke-width:1.0;" x1="622" x2="1532" y1="704.9863" y2="704.9863"/><text 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y="730.0562">ManagedHost::LoadModule(path/to/dll)</text><line style="stroke:#000000;stroke-width:1.0;" x1="622" x2="664" y1="777.585" y2="777.585"/><line style="stroke:#000000;stroke-width:1.0;" x1="664" x2="664" y1="777.585" y2="790.585"/><line style="stroke:#000000;stroke-width:1.0;" x1="623" x2="664" y1="790.585" y2="790.585"/><polygon fill="#000000" points="633,786.585,623,790.585,633,794.585,629,790.585" style="stroke:#000000;stroke-width:1.0;"/><text fill="#000000" font-family="Verdana" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="18" x="629" y="772.8555">27</text><text fill="#000000" font-family="Verdana" font-size="13" lengthAdjust="spacing" textLength="604" x="651" y="772.8555">Send(ipc::HostCmdMsg::Cmd::CtrlModule/Load, ipc::KnownService::ManagedHost)</text><polygon fill="#000000" points="1526,816.3843,1536,820.3843,1526,824.3843,1530,820.3843" style="stroke:#000000;stroke-width:1.0;"/><line style="stroke:#000000;stroke-width:1.0;" x1="622" x2="1532" 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@startuml IPC
!theme plain
hide footbox

autonumber
participant TMBroker as B
participant TMHost as H
participant NativeModule as NM
participant ManagedModuleHost as MMH
participant "ManagedModule\nSomeAppModule" as MM

B->B: Orchestrator::Init() => read broker.json\nUpdateChildProcessConfig(),LaunchChildProcesses()

loop Launch processes
    B->B: ChildProcessInstance::Launch()
    B->H ++: CreateProcess/AsUser()
    B->B: ipc::StartRead(),StartForwardStderr()
    B->B: start child proc monitoring
    B->H: ChildProcessInstance::SendMsg(ipc::KnownService::HostInit)
    H->H: Remember unique host target GUID
    H->H: ModuleHost::OnMessageFromBroker()
    B->B: ChildProcessInstance::LoadModules()
end

newpage

alt Load native module
    B->H: ipc::Send(ipc::HostCmdMsg::Cmd::CtrlModule/Load, host-target)
    H->H: ModuleHost::OnMessageFromBroker()
    H->H: ModuleHost::LoadModule()
    H->H: check PE header for module type
    H->H: ModuleHost::LoadNativeModule(path/to/dll)
    H->H: NativeModule::Load()
    H->NM ++: LoadLibrary native dll
    H->NM: InitModule(OnMsg, OnDiag)
    NM->B: SendMsg ModuleMeta (our services)
else Load managed DLL module
    B->H: ipc::Send(ipc::HostCmdMsg::Cmd::CtrlModule/Load, host-target)
    H->H: ModuleHost::OnMessageFromBroker()
    H->H: ModuleHost::LoadModule()
    H->H: check PE header for module type
    H->H: ModuleHost::LoadManagedDllModule(path/to/dll)
    H->H: Load .Net CLR if not yet done
    H->MMH ++: load ManagedHost.dll in custom .Net host
    H->H: ManagedHost::LoadModule(path/to/dll)
    H->H: Send(ipc::HostCmdMsg::Cmd::CtrlModule/Load, ipc::KnownService::ManagedHost)
    H->MMH: invoke native->managed Ipc.MessageFromHostToModule()
    MMH->MMH: ManagedHost.Program.OnMessageFromHost()
    MMH->MMH: ModuleHost.LoadModule(path/to/dll)
    MMH->MM ++: Load dll in own AssemblyLoadContext
    MMH->MM: IModule.Initialize()
    MM->B: SendMsg ModuleMeta (our services)
else Load managed EXE module
    B->H: ipc::Send(ipc::HostCmdMsg::Cmd::CtrlModule/Load, host-target)
    H->H: ModuleHost::OnMessageFromBroker()
    H->H: ModuleHost::LoadModule()
    H->H: check PE header for module type
    H->H: ModuleHost::LoadManagedDllModule(path/to/dll)
    H->H: Load .Net CLR if not yet done
    H->MM ++: load SomeAppModule.dll in custom .Net host
    H->H: ManagedHost::LoadModule(path/to/dll)
    MM->B: SendMsg ModuleMeta (our services)
end

newpage

alt Send diagnostics from native module
    NM->NM: spdlog::info("hello world")
    NM->H: via stderr: "[INF] hello world"
else Send diagnostics from managed module
    MM->MM: _logger.Information("hello world")
    MM->H: TMHost.exe/OnLog(2, "hello world")
    H->H: SPDLOG_LOGGER_CALL(default_logger, 2, "hello world")
end

newpage

alt Send message from native module
    NM->H: SendMsg(Mod, "some event", serviceGuid, session)
    H->H: NativeModule::OnMsg(Mod, "some event", serviceGuid, session)
    H->H: ModuleHost::OnMessageFromModule(Mod, "some event", Target(serviceGuid, session))
    H->H: ipc::Send("some event", target)
    H->B: via stdout: serialized msg/target
    B->B: ReadFile(stdin) => deserialize msg/target
    B->B: Orchestrator::OnMessage("some event", target)
    loop for all host processes
        B->B: ChildProcessInstance::Send("some event", target)
        B->B: ipc::Send("some event", target)
        B->H: via stdout: serialized msg/target
        H->H: ReadFile(stdin) => deserialize msg/target
        H->H: ModuleHost::OnMessageFromBroker()
        loop for all native modules
            H->H: NativeModule::Send()
            H->NM: Native.dll/OnMessage("some event", target)
        end
        opt if any managed modules
            H->H: ManagedHost::Send()
            H->MMH: ManagedHost.dll/Ipc.MessageFromHostToModule()
            MMH->MM: App.OnMessageFromHost("some event", serviceGuid, session)
        end
    end
else Send message from managed module
    MM->MM: Ipc.SendMessage("some event", serviceGuid, session)
    MM->H: TMHost.exe/MessageFromModuleToHost("some event", serviceGuid, session)
    H->H: ManagedHost::OnMessageFromModule("some event", Target(serviceGuid, session))
    H->H: ModuleHost::OnMessageFromModule(null, "some event", target)
    H->H: ipc::Send("some event", target)
    Note right of H: dispatch further same as with native module as msg source
end
@enduml

@startuml IPC







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    FontName Verdana
    HyperLinkColor blue
    LineColor black
    LineThickness 1
    Margin 5
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  footer {
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  header {
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  node {
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  title {
    FontSize 22
    LineThickness 0
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skinparam BackgroundColor white
skinparam DefaultFontName Verdana
skinparam DefaultMonospacedFontName Courier
skinparam LifelineStrategy nosolid
skinparam ParticipantPadding 10
skinparam SequenceLifeLineBorderColor black
skinparam Shadowing false
skinparam UseBetaStyle true

skinparam Activity {
  BackgroundColor white
  BarColor black
  BorderColor black
  FontColor black
  FontName Verdana
}
skinparam Boundary {
  FontColor black
}
skinparam Box {
  Padding 5
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  Radius 9
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skinparam Class {
  BackgroundColor white
  BorderColor black
  FontColor black
  FontName Verdana
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skinparam ClassAttribute {
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  FontName Verdana
}
skinparam ClassStereotype {
  FontColor black
  FontName Verdana
}
skinparam Footer {
  FontColor black
  FontName Verdana
}
skinparam Header {
  FontColor black
  FontName Verdana
}
skinparam Hyperlink {
  Color blue
}
skinparam IconPackage {
  Color black
  BackgroundColor white
}
skinparam IconPrivate {
  Color black
  BackgroundColor white
}
skinparam IconProtected {
  Color black
  BackgroundColor white
}
skinparam IconPublic {
  Color black
  BackgroundColor white
}
skinparam Note {
  FontColor black
  FontName Verdana
}
skinparam Object {
  BorderColor black
}
skinparam Package {
  BorderColor black
  FontColor black
  FontName Verdana
}
skinparam State {
  BackgroundColor white
  BorderColor black
}
skinparam StereotypeA {
  BackgroundColor white
  BorderColor black
}
skinparam StereotypeC {
  BackgroundColor white
  BorderColor black
}
skinparam StereotypeE {
  BackgroundColor white
  BorderColor black
}
skinparam StereotypeI {
  BackgroundColor white
  BorderColor black
}
skinparam StereotypeN {
  BackgroundColor white
  BorderColor black
}
skinparam UseCaseStereoType {
  FontColor black
  FontName Verdana
}
hide footbox

autonumber
participant TMBroker as B
participant TMHost as H
participant NativeModule as NM
participant ManagedModuleHost as MMH
participant "ManagedModule\nSomeAppModule" as MM

B->B: Orchestrator::Init() => read broker.json\nUpdateChildProcessConfig(),LaunchChildProcesses()

loop Launch processes
    B->B: ChildProcessInstance::Launch()
    B->H ++: CreateProcess/AsUser()
    B->B: ipc::StartRead(),StartForwardStderr()
    B->B: start child proc monitoring
    B->H: ChildProcessInstance::SendMsg(ipc::KnownService::HostInit)
    H->H: Remember unique host target GUID
    H->H: ModuleHost::OnMessageFromBroker()
    B->B: ChildProcessInstance::LoadModules()
end

newpage

alt Load native module
    B->H: ipc::Send(ipc::HostCmdMsg::Cmd::CtrlModule/Load, host-target)
    H->H: ModuleHost::OnMessageFromBroker()
    H->H: ModuleHost::LoadModule()
    H->H: check PE header for module type
    H->H: ModuleHost::LoadNativeModule(path/to/dll)
    H->H: NativeModule::Load()
    H->NM ++: LoadLibrary native dll
    H->NM: InitModule(OnMsg, OnDiag)
    NM->B: SendMsg ModuleMeta (our services)
else Load managed DLL module
    B->H: ipc::Send(ipc::HostCmdMsg::Cmd::CtrlModule/Load, host-target)
    H->H: ModuleHost::OnMessageFromBroker()
    H->H: ModuleHost::LoadModule()
    H->H: check PE header for module type
    H->H: ModuleHost::LoadManagedDllModule(path/to/dll)
    H->H: Load .Net CLR if not yet done
    H->MMH ++: load ManagedHost.dll in custom .Net host
    H->H: ManagedHost::LoadModule(path/to/dll)
    H->H: Send(ipc::HostCmdMsg::Cmd::CtrlModule/Load, ipc::KnownService::ManagedHost)
    H->MMH: invoke native->managed Ipc.MessageFromHostToModule()
    MMH->MMH: ManagedHost.Program.OnMessageFromHost()
    MMH->MMH: ModuleHost.LoadModule(path/to/dll)
    MMH->MM ++: Load dll in own AssemblyLoadContext
    MMH->MM: IModule.Initialize()
    MM->B: SendMsg ModuleMeta (our services)
else Load managed EXE module
    B->H: ipc::Send(ipc::HostCmdMsg::Cmd::CtrlModule/Load, host-target)
    H->H: ModuleHost::OnMessageFromBroker()
    H->H: ModuleHost::LoadModule()
    H->H: check PE header for module type
    H->H: ModuleHost::LoadManagedDllModule(path/to/dll)
    H->H: Load .Net CLR if not yet done
    H->MM ++: load SomeAppModule.dll in custom .Net host
    H->H: ManagedHost::LoadModule(path/to/dll)
    MM->B: SendMsg ModuleMeta (our services)
end

newpage

alt Send diagnostics from native module
    NM->NM: spdlog::info("hello world")
    NM->H: via stderr: "[INF] hello world"
else Send diagnostics from managed module
    MM->MM: _logger.Information("hello world")
    MM->H: TMHost.exe/OnLog(2, "hello world")
    H->H: SPDLOG_LOGGER_CALL(default_logger, 2, "hello world")
end

newpage

alt Send message from native module
    NM->H: SendMsg(Mod, "some event", serviceGuid, session)
    H->H: NativeModule::OnMsg(Mod, "some event", serviceGuid, session)
    H->H: ModuleHost::OnMessageFromModule(Mod, "some event", Target(serviceGuid, session))
    H->H: ipc::Send("some event", target)
    H->B: via stdout: serialized msg/target
    B->B: ReadFile(stdin) => deserialize msg/target
    B->B: Orchestrator::OnMessage("some event", target)
    loop for all host processes
        B->B: ChildProcessInstance::Send("some event", target)
        B->B: ipc::Send("some event", target)
        B->H: via stdout: serialized msg/target
        H->H: ReadFile(stdin) => deserialize msg/target
        H->H: ModuleHost::OnMessageFromBroker()
        loop for all native modules
            H->H: NativeModule::Send()
            H->NM: Native.dll/OnMessage("some event", target)
        end
        opt if any managed modules
            H->H: ManagedHost::Send()
            H->MMH: ManagedHost.dll/Ipc.MessageFromHostToModule()
            MMH->MM: App.OnMessageFromHost("some event", serviceGuid, session)
        end
    end
else Send message from managed module
    MM->MM: Ipc.SendMessage("some event", serviceGuid, session)
    MM->H: TMHost.exe/MessageFromModuleToHost("some event", serviceGuid, session)
    H->H: ManagedHost::OnMessageFromModule("some event", Target(serviceGuid, session))
    H->H: ModuleHost::OnMessageFromModule(null, "some event", target)
    H->H: ipc::Send("some event", target)
    Note right of H: dispatch further same as with native module as msg source
end
@enduml

PlantUML version 1.2022.0(Tue Jan 11 17:16:42 CET 2022)
(GPL source distribution)
Java Runtime: OpenJDK Runtime Environment
JVM: OpenJDK 64-Bit Server VM
Default Encoding: Cp1252
Language: en
Country: US
--></g></svg>