107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/**
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* transport.cpp
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* Yet Another RTP Stack
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* Yet Another Telephony Engine - a fully featured software PBX and IVR
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* Copyright (C) 2004, 2005 Null Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <yatertp.h>
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#define BUF_SIZE 1500
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using namespace TelEngine;
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RTPTransport::RTPTransport()
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: m_processor(0)
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{
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}
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void RTPTransport::timerTick(const Time& when)
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{
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if (m_rtpSock.valid()) {
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bool ok = false;
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struct timeval tv;
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tv.tv_sec = 0;
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tv.tv_usec = 0;
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if (m_rtpSock.select(&ok,0,0,&tv) && ok) {
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char buf[BUF_SIZE];
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SocketAddr addr;
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int len = m_rtpSock.recvFrom(buf,sizeof(buf),addr);
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if (m_processor && (len >= 12) && (addr == m_remoteAddr))
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m_processor->rtpData(buf,len);
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}
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}
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if (m_rtcpSock.valid()) {
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bool ok = false;
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struct timeval tv;
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tv.tv_sec = 0;
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tv.tv_usec = 0;
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if (m_rtcpSock.select(&ok,0,0,&tv) && ok) {
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char buf[BUF_SIZE];
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SocketAddr addr;
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int len = m_rtcpSock.recvFrom(buf,sizeof(buf),addr);
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if (m_processor && (len >= 8) && (addr == m_remoteRTCP))
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m_processor->rtcpData(buf,len);
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}
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}
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}
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void RTPTransport::rtpData(const void* data, int len)
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{
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if (m_rtpSock.valid() && m_remoteAddr.valid())
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m_rtpSock.sendTo(data,len,m_remoteAddr);
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}
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void RTPTransport::rtcpData(const void* data, int len)
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{
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if (m_rtcpSock.valid() && m_remoteRTCP.valid())
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m_rtcpSock.sendTo(data,len,m_remoteRTCP);
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}
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void RTPTransport::setProcessor(RTPProcessor* processor)
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{
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m_processor = processor;
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}
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bool RTPTransport::localAddr(SocketAddr& addr)
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{
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int p = addr.port();
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// make sure we don't have a port or it's an even one
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if ((p & 1) == 0) {
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m_localAddr = addr;
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return true;
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}
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return false;
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}
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bool RTPTransport::remoteAddr(SocketAddr& addr)
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{
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int p = addr.port();
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// make sure we have a port and it's an even one
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if (p && ((p & 1) == 0)) {
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m_remoteAddr = addr;
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m_remoteRTCP = addr;
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m_remoteRTCP.port(addr.port()+1);
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return true;
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}
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return false;
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}
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/* vi: set ts=8 sw=4 sts=4 noet: */
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