Precommit (#1)

* first commit

* cleanup

sdv_services/ipc_connect/CMakeLists.txt

@@ -0,0 +1,39 @@
+# Include cross-compilation toolchain file
+include(../../cross-compile-tools.cmake)
+
+# Define project
+project(ipc_connect VERSION 1.0 LANGUAGES CXX)
+
+# Define target
+add_library(ipc_listener SHARED  "listener.h" "listener.cpp")
+if (WIN32)
+target_link_libraries(ipc_listener ${CMAKE_THREAD_LIBS_INIT} Rpcrt4.lib)
+elseif(UNIX)
+target_link_libraries(ipc_listener rt ${CMAKE_DL_LIBS} ${CMAKE_THREAD_LIBS_INIT})
+endif()
+target_link_options(ipc_listener PRIVATE)
+set_target_properties(ipc_listener PROPERTIES PREFIX "")
+set_target_properties(ipc_listener PROPERTIES SUFFIX ".sdv")
+
+# Build dependencies
+add_dependencies(ipc_listener CompileCoreIDL)
+
+# Appending the service in the service list
+set(SDV_Service_List ${SDV_Service_List} ipc_listener PARENT_SCOPE)
+
+# Define target
+add_library(ipc_connect SHARED  "client.h" "client.cpp")
+if (WIN32)
+target_link_libraries(ipc_connect ${CMAKE_THREAD_LIBS_INIT} Rpcrt4.lib)
+elseif(UNIX)
+target_link_libraries(ipc_connect rt ${CMAKE_DL_LIBS} ${CMAKE_THREAD_LIBS_INIT})
+endif()
+target_link_options(ipc_connect PRIVATE)
+set_target_properties(ipc_connect PROPERTIES PREFIX "")
+set_target_properties(ipc_connect PROPERTIES SUFFIX ".sdv")
+
+# Build dependencies
+add_dependencies(ipc_connect CompileCoreIDL)
+
+# Appending the service in the service list
+set(SDV_Service_List ${SDV_Service_List} ipc_connect ipc_listener PARENT_SCOPE)

sdv_services/ipc_connect/client.cpp

@@ -0,0 +1,216 @@
+#include "client.h"
+#include <support/toml.h>
+#include <interfaces/com.h>
+#include <interfaces/ipc.h>
+#include <support/pssup.h>
+#include <interfaces/app.h>
+
+CRepositoryProxy::CRepositoryProxy(CClient& rClient, sdv::com::TConnectionID tConnection,
+    sdv::IInterfaceAccess* pRepositoryProxy) :
+    m_rClient(rClient), m_tConnection(tConnection), m_ptrRepositoryProxy(pRepositoryProxy)
+{}
+
+void CRepositoryProxy::DestroyObject()
+{
+    // Call the client to disconnect the connection and destroy the object.
+    m_rClient.Disconnect(m_tConnection);
+}
+
+void CClient::Initialize(const sdv::u8string& /*ssObjectConfig*/)
+{
+    m_eObjectStatus = sdv::EObjectStatus::initialized;
+}
+
+sdv::EObjectStatus CClient::GetStatus() const
+{
+    return m_eObjectStatus;
+}
+
+void CClient::SetOperationMode(sdv::EOperationMode eMode)
+{
+    switch (eMode)
+    {
+    case sdv::EOperationMode::configuring:
+        if (m_eObjectStatus == sdv::EObjectStatus::running || m_eObjectStatus == sdv::EObjectStatus::initialized)
+            m_eObjectStatus = sdv::EObjectStatus::configuring;
+        break;
+    case sdv::EOperationMode::running:
+        if (m_eObjectStatus == sdv::EObjectStatus::configuring || m_eObjectStatus == sdv::EObjectStatus::initialized)
+            m_eObjectStatus = sdv::EObjectStatus::running;
+        break;
+    default:
+        break;
+    }
+}
+
+void CClient::Shutdown()
+{
+    m_eObjectStatus = sdv::EObjectStatus::shutdown_in_progress;
+
+    sdv::com::IConnectionControl* pConnectionControl = sdv::core::GetObject<sdv::com::IConnectionControl>("CommunicationControl");
+    if (!pConnectionControl)
+        SDV_LOG_ERROR("Failed to get communication control!");
+
+    // Disconnect from all repositories
+    std::unique_lock<std::mutex> lock(m_mtxRepositoryProxies);
+    auto mapRepositoryProxiesCopy = std::move(m_mapRepositoryProxies);
+    lock.unlock();
+    if (pConnectionControl)
+    {
+        for (const auto& rvtRepository : mapRepositoryProxiesCopy)
+            pConnectionControl->RemoveConnection(rvtRepository.first);
+    }
+
+    m_eObjectStatus = sdv::EObjectStatus::destruction_pending;
+}
+
+sdv::IInterfaceAccess* CClient::Connect(const sdv::u8string& ssConnectString)
+{
+    const sdv::app::IAppContext* pContext = sdv::core::GetCore<sdv::app::IAppContext>();
+    if (!pContext)
+    {
+        SDV_LOG_ERROR("Failed to get application context!");
+        return nullptr;
+    }
+    sdv::com::IConnectionControl* pConnectionControl = sdv::core::GetObject<sdv::com::IConnectionControl>("CommunicationControl");
+    if (!pConnectionControl)
+    {
+        SDV_LOG_ERROR("Failed to get communication control!");
+        return nullptr;
+    }
+
+    sdv::ipc::IChannelAccess* pChannelAccess = nullptr;
+    std::string ssConfig;
+    try
+    {
+        // Determine whether the service is running as server or as client.
+        sdv::toml::CTOMLParser config(ssConnectString);
+        std::string ssType = config.GetDirect("Client.Type").GetValue();
+        if (ssType.empty()) ssType = "Local";
+        if (ssType == "Local")
+        {
+            uint32_t uiInstanceID = config.GetDirect("Client.Instance").GetValue();
+            pChannelAccess = sdv::core::GetObject<sdv::ipc::IChannelAccess>("LocalChannelControl");
+            if (!pChannelAccess)
+            {
+                SDV_LOG_ERROR("No local channel control or channel control not configured as client!");
+                return nullptr;
+            }
+
+            ssConfig = std::string(R"code([IpcChannel]
+Name = "LISTENER_)code") + std::to_string(uiInstanceID ? uiInstanceID : pContext->GetInstanceID()) + R"code("
+)code";
+
+        }
+        else if (ssType == "Remote")
+        {
+            std::string ssInterface = config.GetDirect("Client.Interface").GetValue();
+            uint32_t uiPort = config.GetDirect("Client.Interface").GetValue();
+            if (ssInterface.empty() || !uiPort)
+            {
+                SDV_LOG_ERROR("Missing interface or port number to initialize a remote client!");
+                return nullptr;
+            }
+            pChannelAccess = sdv::core::GetObject<sdv::ipc::IChannelAccess>("RemoteChannelControl");
+            if (!pChannelAccess)
+            {
+                SDV_LOG_ERROR("No remote channel control or channel control not configured as client!");
+                return nullptr;
+            }
+
+            ssConfig = R"code([IpcChannel]
+Interface = ")code" + ssInterface + R"code(
+Port = ")code" + std::to_string(uiPort) + R"code(
+)code";
+        }
+        else
+        {
+            SDV_LOG_ERROR("Invalid or missing listener configuration for listener service!");
+            m_eObjectStatus = sdv::EObjectStatus::initialization_failure;
+            return nullptr;
+        }
+    }
+    catch (const sdv::toml::XTOMLParseException& rexcept)
+    {
+        SDV_LOG_ERROR("Invalid service configuration for listener service: ", rexcept.what(), "!");
+        m_eObjectStatus = sdv::EObjectStatus::initialization_failure;
+        return nullptr;
+    }
+
+    // First access the listener channel. This allows us to access the channel creation interface.
+
+    // TODO: Use named mutex to prevent multiple connections at the same time.
+    // Connect to the channel.
+    sdv::TObjectPtr ptrListenerEndpoint = pChannelAccess->Access(ssConfig);
+
+    // Assign the endpoint to the communication service.
+    sdv::IInterfaceAccess* pListenerProxy = nullptr;
+    sdv::com::TConnectionID tListenerConnection = pConnectionControl->AssignClientEndpoint(ptrListenerEndpoint, 5000,
+        pListenerProxy);
+    ptrListenerEndpoint.Clear();    // Lifetime has been taken over by communication control.
+    if (!tListenerConnection || !pListenerProxy)
+    {
+        SDV_LOG_ERROR("Could not assign the client endpoint!");
+        if (tListenerConnection != sdv::com::TConnectionID{}) pConnectionControl->RemoveConnection(tListenerConnection);
+        return nullptr;
+    }
+    sdv::TInterfaceAccessPtr ptrListenerProxy(pListenerProxy);
+
+    // Request for a private channel
+    sdv::com::IRequestChannel* pRequestChannel = ptrListenerProxy.GetInterface<sdv::com::IRequestChannel>();
+    if (!pRequestChannel)
+    {
+        SDV_LOG_ERROR("Could not get the channel creation interface!");
+        if (tListenerConnection != sdv::com::TConnectionID{}) pConnectionControl->RemoveConnection(tListenerConnection);
+        return nullptr;
+    }
+    sdv::u8string ssConnectionString = pRequestChannel->RequestChannel("");
+
+    // Disconnect from the listener
+    if (tListenerConnection != sdv::com::TConnectionID{}) pConnectionControl->RemoveConnection(tListenerConnection);
+
+    if (ssConnectionString.empty())
+    {
+        SDV_LOG_ERROR("Could not get the private channel connection information!");
+        return nullptr;
+    }
+
+    // TODO: Use named mutex to prevent multiple connections at the same time.
+    // Connect to the privatechannel.
+    sdv::TObjectPtr ptrPrivateEndpoint = pChannelAccess->Access(ssConnectionString);
+
+    // Get and return the proxy
+    sdv::IInterfaceAccess* pPrivateProxy = nullptr;
+    sdv::com::TConnectionID tPrivateConnection = pConnectionControl->AssignClientEndpoint(ptrPrivateEndpoint, 5000, pPrivateProxy);
+    ptrPrivateEndpoint.Clear();    // Lifetime has been taken over by communication control.
+    if (!tPrivateConnection || !pPrivateProxy)
+    {
+        SDV_LOG_ERROR("Could not assign the client endpoint to the private channel!");
+        if (tPrivateConnection != sdv::com::TConnectionID{}) pConnectionControl->RemoveConnection(tPrivateConnection);
+        return nullptr;
+    }
+
+    // Create a remote repository object
+    std::unique_lock<std::mutex> lock(m_mtxRepositoryProxies);
+    m_mapRepositoryProxies.try_emplace(tPrivateConnection, *this, tPrivateConnection, pPrivateProxy);
+
+    return pPrivateProxy;
+}
+
+void CClient::Disconnect(sdv::com::TConnectionID tConnectionID)
+{
+    // Find the connection, disconnect and remove the connection from the repository list.
+    std::unique_lock<std::mutex> lock(m_mtxRepositoryProxies);
+    auto itRepository = m_mapRepositoryProxies.find(tConnectionID);
+    if (itRepository == m_mapRepositoryProxies.end()) return;
+
+    // Disconnect
+    sdv::com::IConnectionControl* pConnectionControl = sdv::core::GetObject<sdv::com::IConnectionControl>("CommunicationControl");
+    if (!pConnectionControl)
+        SDV_LOG_ERROR("Failed to get communication control!");
+    else
+        pConnectionControl->RemoveConnection(itRepository->first);
+
+    // Remove entry
+    m_mapRepositoryProxies.erase(itRepository);
+}

sdv_services/ipc_connect/client.h

@@ -0,0 +1,133 @@
+#ifndef CLIENT_H
+#define CLIENT_H
+
+#include <support/pssup.h>
+#include <support/component_impl.h>
+#include <interfaces/com.h>
+
+// Forward declaration.
+class CClient;
+
+/**
+ * @brief Class managing the connection and providing access to the server repository through a proxy.
+*/
+class CRepositoryProxy : public sdv::IInterfaceAccess, public sdv::IObjectDestroy
+{
+public:
+    /**
+     * @brief Constructor
+     * @param[in] rClient Reference to the client class.
+     * @param[in] tConnection The connection ID to the server.
+     * @param[in] pRepositoryProxy Proxy to the server repository.
+     */
+    CRepositoryProxy(CClient& rClient, sdv::com::TConnectionID tConnection, sdv::IInterfaceAccess* pRepositoryProxy);
+
+    /**
+     * @brief Do not allow a copy constructor.
+     * @param[in] rRepository Reference to the remote repository.
+     */
+    CRepositoryProxy(const CRepositoryProxy& rRepository) = delete;
+
+    // Interface map
+    BEGIN_SDV_INTERFACE_MAP()
+        SDV_INTERFACE_ENTRY(sdv::IObjectDestroy)
+        SDV_INTERFACE_CHAIN_MEMBER(m_ptrRepositoryProxy)
+    END_SDV_INTERFACE_MAP()
+
+    /**
+     * @brief Copy assignment is not allowed.
+     * @param[in] rRepository Reference to the remote repository.
+     */
+    CRepositoryProxy& operator=(const CRepositoryProxy& rRepository) = delete;
+
+    /**
+     * @brief Destroy the object. Overload of sdv::IObjectDestroy::DestroyObject.
+     * @attention After a call of this function, all exposed interfaces render invalid and should not be used any more.
+     */
+    virtual void DestroyObject() override;
+
+private:
+    CClient&                        m_rClient;                  ///< Reference to the client object.
+    sdv::com::TConnectionID         m_tConnection = {};         ///< Connection ID.
+    sdv::TInterfaceAccessPtr        m_ptrRepositoryProxy;       ///< Smart pointer to the remote repository.
+};
+
+/**
+ * @brief Client object
+ */
+class CClient : public sdv::CSdvObject, public sdv::IObjectControl, public sdv::com::IClientConnect
+{
+public:
+    // Interface map
+    BEGIN_SDV_INTERFACE_MAP()
+        SDV_INTERFACE_ENTRY(sdv::IObjectControl)
+        SDV_INTERFACE_ENTRY(sdv::com::IClientConnect)
+    END_SDV_INTERFACE_MAP()
+
+    // Object declaration
+    DECLARE_OBJECT_CLASS_TYPE(sdv::EObjectType::SystemObject)
+    DECLARE_OBJECT_CLASS_NAME("ConnectionService")
+    DECLARE_OBJECT_SINGLETON()
+
+    /**
+    * @brief Initialize the object. Overload of sdv::IObjectControl::Initialize.
+    * @param[in] ssObjectConfig Optional configuration string.
+    */
+    void Initialize(const sdv::u8string& ssObjectConfig) override;
+
+    /**
+    * @brief Get the current status of the object. Overload of sdv::IObjectControl::GetStatus.
+    * @return Return the current status of the object.
+    */
+    sdv::EObjectStatus GetStatus() const override;
+
+    /**
+     * @brief Set the component operation mode. Overload of sdv::IObjectControl::SetOperationMode.
+     * @param[in] eMode The operation mode, the component should run in.
+     */
+    void SetOperationMode(sdv::EOperationMode eMode) override;
+
+    /**
+    * @brief Shutdown called before the object is destroyed. Overload of sdv::IObjectControl::Shutdown.
+    */
+    void Shutdown() override;
+
+    /**
+     * @brief Connect to a remote system using the connection string to contact the system. Overload of
+     * sdv::com::IClientConnect::Connect.
+     * @remarks After a successful connection, the ConnectClient utility is not needed any more.
+     * @param[in] ssConnectString Optional connection string to use for connection. If not provided, the connection will
+     * automatically get the connection ID from the app-control service (default). The connection string for a local
+     * connection can be of the form:
+     * @code
+     * [Client]
+     * Type = "Local"
+     * Instance = 1234  # Optional: only use when connecting to a system with a different instance ID.
+     * @endcode
+     * And the following can be used for a remote connection:
+     * @code
+     * [Client]
+     * Type = "Remote"
+     * Interface = "127.0.0.1"
+     * Port = 2000
+     * @endcode
+     * @return Returns an interface to the repository of the remote system or a NULL pointer if not found.
+     */
+    virtual sdv::IInterfaceAccess* Connect(const sdv::u8string& ssConnectString) override;
+
+    /**
+     * @brief Disconnect and remove the remote repository object.
+     * @param[in] tConnectionID The ID of the connection.
+     */
+    void Disconnect(sdv::com::TConnectionID tConnectionID);
+
+private:
+    sdv::EObjectStatus      m_eObjectStatus = sdv::EObjectStatus::initialization_pending; ///< Object status.
+    std::mutex              m_mtxRepositoryProxies;                             ///< Protect access to the remnote repository map.
+    std::map<sdv::com::TConnectionID, CRepositoryProxy> m_mapRepositoryProxies; ///< map of remote repositories.
+};
+
+DEFINE_SDV_OBJECT(CClient)
+
+
+#endif // !defined CLIENT_H

sdv_services/ipc_connect/listener.cpp

@@ -0,0 +1,218 @@
+#include "listener.h"
+#include <support/toml.h>
+#include <interfaces/com.h>
+#include <interfaces/app.h>
+#include <support/pssup.h>
+
+CChannelBroker::CChannelBroker(CListener& rListener) : m_rListener(rListener)
+{}
+
+sdv::u8string CChannelBroker::RequestChannel(/*in*/ const sdv::u8string& /*ssConfig*/)
+{
+    // Get the communication control
+    sdv::com::IConnectionControl* pConnectionControl = sdv::core::GetObject<sdv::com::IConnectionControl>("CommunicationControl");
+    if (!pConnectionControl)
+    {
+        SDV_LOG_ERROR("Failed to get communication control!");
+        return {};
+    }
+
+    // Get the repository
+    sdv::TInterfaceAccessPtr ptrRespository = sdv::core::GetObject("RepositoryService");
+    if (!ptrRespository)
+    {
+        SDV_LOG_ERROR("Failed to get repository service!");
+        return {};
+    }
+
+    // Get the channel control.
+    sdv::ipc::ICreateEndpoint* pEndpoint = nullptr;
+    if (m_rListener.IsLocalListener())
+        pEndpoint = sdv::core::GetObject<sdv::ipc::ICreateEndpoint>("LocalChannelControl");
+    else
+        pEndpoint = sdv::core::GetObject<sdv::ipc::ICreateEndpoint>("RemoteChannelControl");
+    if (!pEndpoint)
+    {
+        SDV_LOG_ERROR("No local channel control!");
+        return {};
+    }
+
+    // Create the endpoint
+    sdv::ipc::SChannelEndpoint sEndpoint = pEndpoint->CreateEndpoint(sdv::u8string());
+    if (!sEndpoint.pConnection)
+    {
+        SDV_LOG_ERROR("Could not create the endpoint for channel request!");
+        return sdv::u8string();
+    }
+    sdv::TObjectPtr ptrEndpoint(sEndpoint.pConnection); // Does automatic destruction if failure happens.
+
+    // Assign the endpoint to the communication service.
+    sdv::com::TConnectionID tConnection = pConnectionControl->AssignServerEndpoint(ptrEndpoint, ptrRespository, 100, false);
+    ptrEndpoint.Clear();    // Lifetime taken over by communication control.
+    if (!tConnection)
+    {
+        SDV_LOG_ERROR("Could not assign the server endpoint!");
+        return {};
+    }
+
+    if (sdv::app::ConsoleIsVerbose())
+        std::cout << "Client connection established..." << std::endl;
+
+    // Return the connection string
+    return sEndpoint.ssConnectString;
+}
+
+CListener::CListener() : m_broker(*this)
+{}
+
+void CListener::Initialize(const sdv::u8string& ssObjectConfig)
+{
+    const sdv::app::IAppContext* pContext = sdv::core::GetCore<sdv::app::IAppContext>();
+    if (!pContext)
+    {
+        SDV_LOG_ERROR("Failed to get application context!");
+        m_eObjectStatus = sdv::EObjectStatus::initialization_failure;
+        return;
+    }
+    sdv::com::IConnectionControl* pConnectionControl = sdv::core::GetObject<sdv::com::IConnectionControl>("CommunicationControl");
+    if (!pConnectionControl)
+    {
+        SDV_LOG_ERROR("Failed to get communication control!");
+        m_eObjectStatus = sdv::EObjectStatus::initialization_failure;
+        return;
+    }
+
+    sdv::ipc::ICreateEndpoint* pEndpoint = nullptr;
+    std::string ssConfig;
+    try
+    {
+        // Determine whether the service is running as server or as client.
+        sdv::toml::CTOMLParser config(ssObjectConfig);
+        std::string ssType = config.GetDirect("Listener.Type").GetValue();
+        if (ssType == "Local")
+        {
+            uint32_t uiInstanceID = config.GetDirect("Listener.Instance").GetValue();
+            m_bLocalListener = true;
+            pEndpoint = sdv::core::GetObject<sdv::ipc::ICreateEndpoint>("LocalChannelControl");
+            if (!pEndpoint)
+            {
+                SDV_LOG_ERROR("No local channel control!");
+                m_eObjectStatus = sdv::EObjectStatus::initialization_failure;
+                return;
+            }
+
+            // Request the instance ID from the app control
+            ssConfig = std::string(R"code([IpcChannel]
+Name = "LISTENER_)code") + std::to_string(uiInstanceID ? uiInstanceID : pContext->GetInstanceID()) + R"code("
+Size = 2048
+)code";
+        }
+        else if (ssType == "Remote")
+        {
+            m_bLocalListener = false;
+            std::string ssInterface = config.GetDirect("Listener.Interface").GetValue();
+            uint32_t uiPort = config.GetDirect("Listener.Interface").GetValue();
+            if (ssInterface.empty() || !uiPort)
+            {
+                SDV_LOG_ERROR("Missing interface or port number to initialize a remote listener!");
+                m_eObjectStatus = sdv::EObjectStatus::initialization_failure;
+                return;
+            }
+            pEndpoint = sdv::core::GetObject<sdv::ipc::ICreateEndpoint>("RemoteChannelControl");
+            if (!pEndpoint)
+            {
+                SDV_LOG_ERROR("No remote channel control!");
+                m_eObjectStatus = sdv::EObjectStatus::initialization_failure;
+                return;
+            }
+
+            ssConfig = R"code([IpcChannel]
+Interface = ")code" + ssInterface + R"code(
+Port = ")code" + std::to_string(uiPort) + R"code(
+)code";
+        }
+        else
+        {
+            SDV_LOG_ERROR("Invalid or missing listener configuration for listener service!");
+            m_eObjectStatus = sdv::EObjectStatus::initialization_failure;
+            return;
+        }
+    }
+    catch (const sdv::toml::XTOMLParseException& rexcept)
+    {
+        SDV_LOG_ERROR("Invalid service configuration for listener service: ", rexcept.what(), "!");
+        m_eObjectStatus = sdv::EObjectStatus::initialization_failure;
+        return;
+    }
+
+    // Create the endpoint
+    sdv::ipc::SChannelEndpoint sEndpoint = pEndpoint->CreateEndpoint(ssConfig);
+    if (!sEndpoint.pConnection)
+    {
+        SDV_LOG_ERROR("Could not create the endpoint for listener service!");
+        m_eObjectStatus = sdv::EObjectStatus::initialization_failure;
+        return;
+    }
+    sdv::TObjectPtr ptrEndpoint(sEndpoint.pConnection); // Does automatic destruction if failure happens.
+
+    // Assign the endpoint to the communication service.
+    m_tConnection = pConnectionControl->AssignServerEndpoint(ptrEndpoint, &m_broker, 100, true);
+    ptrEndpoint.Clear();    // Lifetime taken over by communication control.
+    if (!m_tConnection)
+    {
+        SDV_LOG_ERROR("Could not assign the server endpoint!");
+        m_eObjectStatus = sdv::EObjectStatus::initialization_failure;
+        return;
+    }
+
+    m_eObjectStatus = sdv::EObjectStatus::initialized;
+}
+
+sdv::EObjectStatus CListener::GetStatus() const
+{
+    return m_eObjectStatus;
+}
+
+void CListener::SetOperationMode(sdv::EOperationMode eMode)
+{
+    switch (eMode)
+    {
+    case sdv::EOperationMode::configuring:
+        if (m_eObjectStatus == sdv::EObjectStatus::running || m_eObjectStatus == sdv::EObjectStatus::initialized)
+            m_eObjectStatus = sdv::EObjectStatus::configuring;
+        break;
+    case sdv::EOperationMode::running:
+        if (m_eObjectStatus == sdv::EObjectStatus::configuring || m_eObjectStatus == sdv::EObjectStatus::initialized)
+            m_eObjectStatus = sdv::EObjectStatus::running;
+        break;
+    default:
+        break;
+    }
+}
+
+void CListener::Shutdown()
+{
+    m_eObjectStatus = sdv::EObjectStatus::shutdown_in_progress;
+
+    // Shutdown the listener...
+    if (m_tConnection != sdv::com::TConnectionID{})
+    {
+        sdv::com::IConnectionControl* pConnectionControl = sdv::core::GetObject<sdv::com::IConnectionControl>("CommunicationControl");
+        if (!pConnectionControl)
+            SDV_LOG_ERROR("Failed to get communication control; cannot shutdown gracefully!");
+        else
+            pConnectionControl->RemoveConnection(m_tConnection);
+        m_tConnection = {};
+    }
+
+    m_ptrConnection.Clear();
+
+    m_eObjectStatus = sdv::EObjectStatus::destruction_pending;
+}
+
+bool CListener::IsLocalListener() const
+{
+    return m_bLocalListener;
+}
+
+

sdv_services/ipc_connect/listener.h

@@ -0,0 +1,113 @@
+#ifndef LISTENER_H
+#define LISTENER_H
+
+#include <support/component_impl.h>
+#include <interfaces/com.h>
+#include <interfaces/ipc.h>
+
+// Forward declarations
+class CListener;
+
+/**
+ * @brief Channel broker to request new channels. This object is exposed to the client.
+ */
+class CChannelBroker : public sdv::IInterfaceAccess, public sdv::com::IRequestChannel
+{
+public:
+    /**
+     * @brief Constructor
+     * @param[in] rListener Reference to the listener to forward the calls to.
+     */
+    CChannelBroker(CListener& rListener);
+
+    // Interface map
+    BEGIN_SDV_INTERFACE_MAP()
+        SDV_INTERFACE_ENTRY(sdv::com::IRequestChannel)
+    END_SDV_INTERFACE_MAP()
+
+    /**
+     * @brief Request a channel. Overload of sdv::com::IRequestChannel::RequestChannel
+     * @details This function creates a new endpoint and returns access to the repository through the new channel.
+     * @param[in] ssConfig Configuration; currently not used.
+     * @return The channel string needed to initialize the channel.
+     */
+    virtual sdv::u8string RequestChannel(/*in*/ const sdv::u8string& ssConfig) override;
+
+private:
+    CListener& m_rListener;         ///< Reference to the listener to forward the calls to.
+};
+
+/**
+ * @brief Listener object
+ */
+class CListener : public sdv::CSdvObject, public sdv::IObjectControl
+{
+public:
+    /**
+     * @brief Default constructor
+     */
+    CListener();
+
+    // Interface map
+    BEGIN_SDV_INTERFACE_MAP()
+        SDV_INTERFACE_ENTRY(sdv::IObjectControl)
+    END_SDV_INTERFACE_MAP()
+
+    // Object declaration
+    DECLARE_OBJECT_CLASS_TYPE(sdv::EObjectType::SystemObject)
+    DECLARE_OBJECT_CLASS_NAME("ConnectionListenerService")
+
+    /**
+     * @brief Initialize the object. Overload of sdv::IObjectControl::Initialize.
+     * @details The object configuration contains the information needed to start the listener. The following configuration is
+     * available for the local listener:
+     * @code
+     * [Listener]
+     * Type = "Local"
+     * Instance = 1000    # Normally not used; system instance ID is used automatically.
+     * @endcode
+     * And the following is available for a remote listener:
+     * @code
+     * [Listener]
+     * Type = "Remote"
+     * Interface = "127.0.0.1"
+     * Port = 2000
+     * @endcode
+     * @param[in] ssObjectConfig Optional configuration string.
+     */
+    void Initialize(const sdv::u8string& ssObjectConfig) override;
+
+    /**
+     * @brief Get the current status of the object. Overload of sdv::IObjectControl::GetStatus.
+     * @return Return the current status of the object.
+     */
+    sdv::EObjectStatus GetStatus() const override;
+
+    /**
+     * @brief Set the component operation mode. Overload of sdv::IObjectControl::SetOperationMode.
+     * @param[in] eMode The operation mode, the component should run in.
+     */
+    void SetOperationMode(sdv::EOperationMode eMode) override;
+
+    /**
+     * @brief Shutdown called before the object is destroyed. Overload of sdv::IObjectControl::Shutdown.
+     */
+    void Shutdown() override;
+
+    /**
+     * @brief When set, the listener is configured to be a local listener. Otherwise the listerner is configured as remote listener.
+     * @return Boolean set when local lostener.
+     */
+    bool IsLocalListener() const;
+
+private:
+    sdv::EObjectStatus          m_eObjectStatus = sdv::EObjectStatus::initialization_pending; ///< To update the object status when it changes.
+    sdv::TObjectPtr             m_ptrConnection;            ///< The connection object.
+    CChannelBroker              m_broker;                   ///< Channel broker, used to request new channels
+    bool                        m_bLocalListener = true;    ///< When set, the listener is a local listener; otherwise a remote listener.
+    sdv::com::TConnectionID     m_tConnection = {};         ///< Channel connection ID.
+};
+
+DEFINE_SDV_OBJECT(CListener)
+
+#endif // ! defined LISTENER_H