Add experimental RT8 GPS data handling.

TCPSocket.h

@@ -0,0 +1,58 @@
+/*
+ *   Copyright (C) 2010,2011,2012,2013,2016 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 TCPSocket_H
+#define TCPSocket_H
+
+#if !defined(_WIN32) && !defined(_WIN64)
+#include <netdb.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#else
+#include <winsock.h>
+#endif
+
+#include <string>
+
+class CTCPSocket {
+public:
+	CTCPSocket(const std::string& address, unsigned int port);
+	~CTCPSocket();
+
+	bool open();
+
+	int  read(unsigned char* buffer, unsigned int length, unsigned int secs, unsigned int msecs = 0U);
+	int readLine(std::string& line, unsigned int secs);
+	bool write(const unsigned char* buffer, unsigned int length);
+	bool writeLine(const std::string& line);
+
+	void close();
+
+private:
+	std::string    m_address;
+	unsigned short m_port;
+	int            m_fd;
+};
+
+#endif