1 files changed, 80 insertions, 0 deletions
diff --git a/channels/h323/compat_h323.h b/channels/h323/compat_h323.h
new file mode 100644
index 000000000..63da8ac8c
--- /dev/null
+++ b/channels/h323/compat_h323.h
@@ -0,0 +1,80 @@
+#ifndef COMPAT_H323_H
+#define COMPAT_H323_H
+
+#if VERSION(OPENH323_MAJOR,OPENH323_MINOR,OPENH323_BUILD) < VERSION(1,17,3)
+/**
+ *  Workaround for broken (less than 1.17.3) OpenH323 stack to be able to
+ *  make TCP connections from specific address
+ */
+class MyH323TransportTCP : public H323TransportTCP
+{
+	PCLASSINFO(MyH323TransportTCP, H323TransportTCP);
+
+public:
+	MyH323TransportTCP(
+		H323EndPoint & endpoint,    ///<  H323 End Point object
+		PIPSocket::Address binding = PIPSocket::GetDefaultIpAny(), ///<  Local interface to use
+		BOOL listen = FALSE         ///<  Flag for need to wait for remote to connect
+	);
+	/**Connect to the remote party.
+	 */
+	virtual BOOL Connect();
+};
+#else
+#define MyH323TransportTCP H323TransportTCP
+#endif /* <VERSION(1,17,3) */
+
+class MyH323TransportUDP: public H323TransportUDP
+{
+	PCLASSINFO(MyH323TransportUDP, H323TransportUDP);
+
+public:
+	MyH323TransportUDP(H323EndPoint &endpoint,
+		PIPSocket::Address binding = PIPSocket::GetDefaultIpAny(),
+		WORD localPort = 0,
+		WORD remotePort = 0): H323TransportUDP(endpoint, binding, localPort, remotePort)
+	{
+	}
+	virtual BOOL DiscoverGatekeeper(H323Gatekeeper &,
+		H323RasPDU &,
+		const H323TransportAddress &);
+protected:
+	PDECLARE_NOTIFIER(PThread, MyH323TransportUDP, DiscoverMain);
+	H323Gatekeeper *discoverGatekeeper;
+	H323RasPDU *discoverPDU;
+	const H323TransportAddress *discoverAddress;
+	BOOL discoverResult;
+	BOOL discoverReady;
+	PMutex discoverMutex;
+};
+
+template <class _Abstract_T, typename _Key_T = PString>
+class MyPFactory: public PFactory<_Abstract_T, _Key_T>
+{
+public:
+	template <class _Concrete_T> class Worker: public PFactory<_Abstract_T, _Key_T>::WorkerBase
+	{
+	public:
+		Worker(const _Key_T &_key, bool singleton = false)
+			:PFactory<_Abstract_T, _Key_T>::WorkerBase(singleton), key(_key)
+		{
+			PFactory<_Abstract_T, _Key_T>::Register(key, this);
+		}
+		~Worker()
+		{
+			PFactory<_Abstract_T, _Key_T>::Unregister(key);
+		}
+	protected:
+		virtual _Abstract_T *Create(const _Key_T &) const { return new _Concrete_T; }
+
+	private:
+		PString key;
+    };
+};
+
+#ifdef H323_REGISTER_CAPABILITY
+#undef H323_REGISTER_CAPABILITY
+#endif
+#define H323_REGISTER_CAPABILITY(cls, capName) static MyPFactory<H323Capability>::Worker<cls> cls##Factory(capName, true)
+
+#endif /* !defined AST_H323_H */