ext.h
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// Copyright (C) 1999-2003 Open Source Telecom Corporation.
//
// This program 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 2 of the License, or
// (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
//
// This exception applies only to the code released under the name GNU
// ccRTP. If you copy code from other releases into a copy of GNU
// ccRTP, as the General Public License permits, the exception does
// not apply to the code that you add in this way. To avoid misleading
// anyone as to the status of such modified files, you must delete
// this exception notice from them.
//
// If you write modifications of your own for GNU ccRTP, it is your choice
// whether to permit this exception to apply to your modifications.
// If you do not wish that, delete this exception notice.
//
#ifndef CCXX_RTP_EXT_H
#define CCXX_RTP_EXT_H
#ifndef COMMONCPP_SOCKET_H_
#include <commoncpp/socket.h>
#include <commoncpp/udp.h>
#endif
#include <ccrtp/ioqueue.h>
#include <ccrtp/channel.h>
NAMESPACE_COMMONCPP
class __EXPORT RTPDuplex : public RTPDataQueue,
protected UDPReceive, public UDPTransmit
{
public:
RTPDuplex(const InetAddress &bind, tpport_t local, tpport_t remote);
virtual
~RTPDuplex();
UDPTransmit::Error
connect(const InetHostAddress &host, tpport_t port = 0);
protected:
bool
isPendingData(microtimeout_t timeout)
{ return isPendingReceive(timeout); }
size_t
sendData(const unsigned char *const buffer, size_t len)
{ return UDPTransmit::transmit((const char *)buffer, len); }
size_t
recvData(unsigned char *buffer, size_t len,
InetHostAddress& na, tpport_t& tp)
{ /* na = UDPReceive::getPeer(&tp); FIX name ambiguity */
return UDPReceive::receive(buffer, len); }
inline void
setDataPeer(const InetAddress&, tpport_t)
{ }
inline void
setControlPeer(const InetAddress&, tpport_t)
{ }
inline size_t
getNextDataPacketSize() const
{
// the const cast is a trick only needed for cc++2 <= 1.0.10
size_t len; ccioctl(const_cast<RTPDuplex*>(this)->UDPReceive::getReceiver(),FIONREAD,len); return len;
}
SyncSource &getPeer();
private:
tpport_t dataBasePort;
};
// rtpext
END_NAMESPACE
#endif //CCXX_RTP_EXT_H
ioqueue.h
Generic RTP input/output queues.
microtimeout_t
uint32 microtimeout_t
Time interval expressed in microseconds.
Definition: base.h:68
RTPDuplex::getNextDataPacketSize
size_t getNextDataPacketSize() const
Definition: ext.h:146
SyncSource
Synchronization source in an RTP session.
Definition: sources.h:194
channel.h
Definition of socket classes for different underlying transport and/or network protocols that can be ...
RTPDuplex::isPendingData
bool isPendingData(microtimeout_t timeout)
Definition: ext.h:104
RTPDuplex::recvData
size_t recvData(unsigned char *buffer, size_t len, InetHostAddress &na, tpport_t &tp)
Definition: ext.h:124
RTPDuplex::setDataPeer
void setDataPeer(const InetAddress &, tpport_t)
Definition: ext.h:134
RTPDuplex::sendData
size_t sendData(const unsigned char *const buffer, size_t len)
Definition: ext.h:113
ccioctl
size_t ccioctl(int so, int request, size_t &len)
Definition: channel.h:46
RTPDataQueue
A packet queue handler for building different kinds of RTP protocol systems.
Definition: ioqueue.h:75
RTPDuplex::setControlPeer
void setControlPeer(const InetAddress &, tpport_t)
Definition: ext.h:142
RTPDuplex
A peer associated RTP socket pair for physically connected peer hosts.
Definition: ext.h:71