00001 // Copyright (C) 1999-2003 Open Source Telecom Corporation. 00002 // 00003 // This program is free software; you can redistribute it and/or modify 00004 // it under the terms of the GNU General Public License as published by 00005 // the Free Software Foundation; either version 2 of the License, or 00006 // (at your option) any later version. 00007 // 00008 // This program is distributed in the hope that it will be useful, 00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00011 // GNU General Public License for more details. 00012 // 00013 // You should have received a copy of the GNU General Public License 00014 // along with this program; if not, write to the Free Software 00015 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00016 // 00017 // As a special exception, you may use this file as part of a free software 00018 // library without restriction. Specifically, if other files instantiate 00019 // templates or use macros or inline functions from this file, or you compile 00020 // this file and link it with other files to produce an executable, this 00021 // file does not by itself cause the resulting executable to be covered by 00022 // the GNU General Public License. This exception does not however 00023 // invalidate any other reasons why the executable file might be covered by 00024 // the GNU General Public License. 00025 // 00026 // This exception applies only to the code released under the name GNU 00027 // ccRTP. If you copy code from other releases into a copy of GNU 00028 // ccRTP, as the General Public License permits, the exception does 00029 // not apply to the code that you add in this way. To avoid misleading 00030 // anyone as to the status of such modified files, you must delete 00031 // this exception notice from them. 00032 // 00033 // If you write modifications of your own for GNU ccRTP, it is your choice 00034 // whether to permit this exception to apply to your modifications. 00035 // If you do not wish that, delete this exception notice. 00036 // 00037 00043 #ifndef CCXX_RTP_EXT_H 00044 #define CCXX_RTP_EXT_H 00045 00046 #ifndef CCXX_SOCKET_H_ 00047 #include <cc++/socket.h> 00048 #endif 00049 00050 #include <ccrtp/ioqueue.h> 00051 #include <ccrtp/channel.h> 00052 00053 #ifdef CCXX_NAMESPACES 00054 namespace ost { 00055 #endif 00056 00072 class __EXPORT RTPDuplex : public RTPDataQueue, 00073 protected UDPReceive, public UDPTransmit 00074 { 00075 public: 00081 RTPDuplex(const InetAddress &bind, tpport_t local, tpport_t remote); 00082 00086 virtual 00087 ~RTPDuplex(); 00088 00095 UDPTransmit::Error 00096 connect(const InetHostAddress &host, tpport_t port = 0); 00097 00098 protected: 00099 00104 bool 00105 isPendingData(microtimeout_t timeout) 00106 { return isPendingReceive(timeout); } 00107 00113 size_t 00114 sendData(const unsigned char *const buffer, size_t len) 00115 { return UDPTransmit::transmit((const char *)buffer, len); } 00116 00124 size_t 00125 recvData(unsigned char *buffer, size_t len, 00126 InetHostAddress& na, tpport_t& tp) 00127 { /* na = UDPReceive::getPeer(&tp); FIX name ambiguity */ 00128 return UDPReceive::receive(buffer, len); } 00129 00134 inline void 00135 setDataPeer(const InetAddress&, tpport_t) 00136 { } 00137 00142 inline void 00143 setControlPeer(const InetAddress&, tpport_t) 00144 { } 00145 00146 inline size_t 00147 getNextDataPacketSize() const 00148 { 00149 // the const cast is a trick only needed for cc++2 <= 1.0.10 00150 size_t len; ccioctl(const_cast<RTPDuplex*>(this)->UDPReceive::getReceiver(),FIONREAD,len); return len; 00151 } 00152 00156 SyncSource &getPeer(); 00157 00158 private: 00159 tpport_t dataBasePort; 00160 }; 00161 // rtpext 00163 00164 #ifdef CCXX_NAMESPACES 00165 } 00166 #endif 00167 00168 #endif //CCXX_RTP_EXT_H 00169