ccRTP
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00001 // Copyright (C) 1999-2005 Open Source Telecom Corporation. 00002 // Copyright (C) 2006-2014 David Sugar, Tycho Softworks. 00003 // Copyright (C) 2015 Cherokees of Idaho. 00004 // 00005 // This program is free software; you can redistribute it and/or modify 00006 // it under the terms of the GNU General Public License as published by 00007 // the Free Software Foundation; either version 2 of the License, or 00008 // (at your option) any later version. 00009 // 00010 // This program is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU Lesser General Public License 00016 // along with GNU ccRTP. If not, see <http://www.gnu.org/licenses/>. 00017 // 00018 // As a special exception, you may use this file as part of a free software 00019 // library without restriction. Specifically, if other files instantiate 00020 // templates or use macros or inline functions from this file, or you compile 00021 // this file and link it with other files to produce an executable, this 00022 // file does not by itself cause the resulting executable to be covered by 00023 // the GNU General Public License. This exception does not however 00024 // invalidate any other reasons why the executable file might be covered by 00025 // the GNU General Public License. 00026 // 00027 // This exception applies only to the code released under the name GNU 00028 // ccRTP. If you copy code from other releases into a copy of GNU 00029 // ccRTP, as the General Public License permits, the exception does 00030 // not apply to the code that you add in this way. To avoid misleading 00031 // anyone as to the status of such modified files, you must delete 00032 // this exception notice from them. 00033 // 00034 // If you write modifications of your own for GNU ccRTP, it is your choice 00035 // whether to permit this exception to apply to your modifications. 00036 // If you do not wish that, delete this exception notice. 00037 // 00038 00044 #ifndef CCXX_RTP_EXT_H 00045 #define CCXX_RTP_EXT_H 00046 00047 #ifndef COMMONCPP_SOCKET_H_ 00048 #include <commoncpp/socket.h> 00049 #include <commoncpp/udp.h> 00050 #endif 00051 00052 #include <ccrtp/ioqueue.h> 00053 #include <ccrtp/channel.h> 00054 00055 NAMESPACE_COMMONCPP 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 END_NAMESPACE 00165 00166 #endif //CCXX_RTP_EXT_H 00167