created common OSAL stuff to unify UDP code

osal/common/UdpTmTcBridge.h

@@ -0,0 +1,46 @@
+#ifndef FSFW_OSAL_WINDOWS_TMTCWINUDPBRIDGE_H_
+#define FSFW_OSAL_WINDOWS_TMTCWINUDPBRIDGE_H_
+
+#include "TcpIpBase.h"
+#include "../../tmtcservices/TmTcBridge.h"
+
+#include <string>
+
+class UdpTmTcBridge:
+        public TmTcBridge,
+        public TcpIpBase {
+    friend class UdpTcPollingTask;
+public:
+    /* The ports chosen here should not be used by any other process. */
+    static const std::string DEFAULT_UDP_SERVER_PORT;
+
+    UdpTmTcBridge(object_id_t objectId, object_id_t tcDestination,
+            object_id_t tmStoreId, object_id_t tcStoreId, std::string udpServerPort = "");
+    virtual~ UdpTmTcBridge();
+
+    /**
+     * Set properties of internal mutex.
+     */
+    void setMutexProperties(MutexIF::TimeoutType timeoutType, dur_millis_t timeoutMs);
+
+    ReturnValue_t initialize() override;
+
+    void checkAndSetClientAddress(sockaddr_in& clientAddress);
+
+protected:
+    virtual ReturnValue_t sendTm(const uint8_t * data, size_t dataLen) override;
+
+private:
+    std::string udpServerPort;
+
+    struct sockaddr_in clientAddress;
+    int clientAddressLen = 0;
+
+    //! Access to the client address is mutex protected as it is set by another task.
+    MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING;
+    dur_millis_t mutexTimeoutMs = 20;
+    MutexIF* mutex;
+};
+
+#endif /* FSFW_OSAL_HOST_TMTCWINUDPBRIDGE_H_ */
+