(svn r15971) -Codechange: make it possible for UDP socket handlers to bind to multiple sockets.

src/network/core/tcp.h

@@ -20,8 +20,15 @@ private:
 	Packet *packet_queue;     ///< Packets that are awaiting delivery
 	Packet *packet_recv;      ///< Partially received packet
 public:
+	SOCKET sock;              ///< The socket currently connected to
 	bool writable;            ///< Can we write to this socket?
 
+	/**
+	 * Whether this socket is currently bound to a socket.
+	 * @return true when the socket is bound, false otherwise
+	 */
+	bool IsConnected() const { return this->sock != INVALID_SOCKET; }
+
 	virtual NetworkRecvStatus CloseConnection();
 	void Send_Packet(Packet *packet);
 	bool Send_Packets();