connection between 2 systems and bug fixes (#14)

sdv_services/uds_unix_tunnel/watchdog.cpp

@@ -0,0 +1,58 @@
+/********************************************************************************
+* Copyright (c) 2025-2026 ZF Friedrichshafen AG
+*
+* This program and the accompanying materials are made available under the
+* terms of the Apache License Version 2.0 which is available at
+* https://www.apache.org/licenses/LICENSE-2.0
+*
+* SPDX-License-Identifier: Apache-2.0
+*
+* Contributors:
+*   Denisa Ros - initial API and implementation
+********************************************************************************/
+
+#if defined(__unix__)
+
+#include "watchdog.h"
+
+void CUnixTunnelConnectionWatchDog::AddConnectionImpl(const std::shared_ptr<void>& connection)
+{
+    std::lock_guard<std::mutex> lock(m_Mutex);
+    m_Connections[connection.get()] = connection;
+}
+
+void CUnixTunnelConnectionWatchDog::RemoveConnection(const void* connection)
+{
+    if (!connection)
+    {
+        return;
+    }
+
+    std::shared_ptr<void> removed;
+    {
+        std::lock_guard<std::mutex> lock(m_Mutex);
+        auto it = m_Connections.find(connection);
+        if (it == m_Connections.end())
+        {
+            return;
+        }
+
+        removed = std::move(it->second);
+        m_Connections.erase(it);
+    }
+
+    removed.reset();
+}
+
+void CUnixTunnelConnectionWatchDog::Clear()
+{
+    std::map<const void*, std::shared_ptr<void>> localConnections;
+    {
+        std::lock_guard<std::mutex> lock(m_Mutex);
+        localConnections.swap(m_Connections);
+    }
+
+    localConnections.clear();
+}
+
+#endif // defined(__unix__)