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# ext.h

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    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