More sane modem port protocol handling.

UDPController.h

@@ -0,0 +1,49 @@
+/*
+ *   Copyright (C) 2021 by Jonathan Naylor G4KLX
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef UDPController_H
+#define UDPController_H
+
+#include "MMDVMModemPort.h"
+#include "UDPSocket.h"
+
+#include <string>
+
+class CUDPController : public IMMDVMModemPort {
+public:
+	CUDPController(const std::string& modemAddress, unsigned int modemPort, unsigned int localPort);
+	virtual ~CUDPController();
+
+	virtual bool open();
+
+	virtual int read(unsigned char* buffer, unsigned int length);
+
+	virtual int write(const unsigned char* buffer, unsigned int length);
+
+	virtual void close();
+
+protected:
+	CUDPSocket       m_socket;
+	sockaddr_storage m_addr;
+	unsigned int     m_addrLen;
+	unsigned char*   m_buffer;
+	unsigned int     m_length;
+	unsigned int     m_offset;
+};
+
+#endif