ccRTP
ext.h
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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