1 files changed, 126 insertions, 0 deletions
diff --git a/src/UdpSocket.h b/src/UdpSocket.h
new file mode 100644
index 0000000..a500606
--- /dev/null
+++ b/src/UdpSocket.h
@@ -0,0 +1,126 @@
+/*
+   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
+   Queen in Right of Canada (Communications Research Center Canada)
+   */
+/*
+   This file is part of CRC-DabMux.
+
+   CRC-DabMux 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 3 of the
+   License, or (at your option) any later version.
+
+   CRC-DabMux 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 CRC-DabMux.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#ifndef _UDPSOCKET
+#define _UDPSOCKET
+
+#ifdef HAVE_CONFIG_H
+#   include "config.h"
+#endif
+
+#include "InetAddress.h"
+#ifdef _WIN32
+# include <winsock.h>
+# define socklen_t        int
+# define reuseopt_t       char
+#else
+# include <sys/socket.h>
+# include <netinet/in.h>
+# include <unistd.h>
+# include <netdb.h>
+# include <arpa/inet.h>
+# include <pthread.h>
+# define SOCKET           int
+# define INVALID_SOCKET   -1
+# define SOCKET_ERROR     -1
+# define reuseopt_t       int
+#endif
+//#define INVALID_PORT      -1
+
+#include <stdlib.h>
+#include <iostream>
+class UdpPacket;
+
+
+/**
+ *  This class represents a socket for sending and receiving UDP packets.
+ *
+ *  A UDP socket is the sending or receiving point for a packet delivery service.
+ *  Each packet sent or received on a datagram socket is individually
+ *  addressed and routed. Multiple packets sent from one machine to another may
+ *  be routed differently, and may arrive in any order. 
+ *  @author Pascal Charest pascal.charest@crc.ca
+ */
+class UdpSocket {
+ public:
+  UdpSocket();
+  UdpSocket(int port, char *name = NULL);
+  ~UdpSocket();
+
+  static int init();
+  static int clean();
+
+  int create(int port = 0, char *name = NULL);
+
+  int send(UdpPacket &packet);
+  int receive(UdpPacket &packet);
+  int joinGroup(char* groupname);
+  /**
+   *  Connects the socket on a specific address. Only data from this address
+   *  will be received.
+   *  @param addr The address to connect the socket
+   *  @warning Not implemented yet.
+   */
+  void connect(InetAddress &addr);
+  int setBlocking(bool block);
+
+ protected:
+  /// The address on which the socket is binded.
+  InetAddress address;
+  /// The low-level socket used by system functions.
+  SOCKET listenSocket;
+};
+
+/**
+ *  This class represents a UDP packet. 
+ *
+ *  UDP packets are used to implement a connectionless packet delivery service.
+ *  Each message is routed from one machine to another based solely on
+ *  information contained within that packet. Multiple packets sent from one
+ *  machine to another might be routed differently, and might arrive in any order. 
+ *  @author Pascal Charest pascal.charest@crc.ca
+ */
+class UdpPacket {
+ public:
+  UdpPacket(unsigned int initSize = 1024);
+  // Not implemented
+  UdpPacket(const UdpPacket& packet);
+  ~UdpPacket();
+
+  char *getData();
+  void addData(void *data, unsigned size);
+  unsigned long getLength();
+  unsigned long getSize();
+  unsigned long getOffset();
+  void setLength(unsigned long len);
+  void setOffset(unsigned long val);
+  void setSize(unsigned newSize);
+  InetAddress &getAddress();
+  // Not implemented
+  const UdpPacket &operator=(const UdpPacket&);
+  
+ private:
+  char *dataBuf;
+  unsigned long length, size, offset;
+  InetAddress address;
+};
+
+#endif // _UDPSOCKET