OpSetup.cxx
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上传日期:2013-07-25
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- /* ====================================================================
- * The Vovida Software License, Version 1.0
- *
- * Copyright (c) 2000 Vovida Networks, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The names "VOCAL", "Vovida Open Communication Application Library",
- * and "Vovida Open Communication Application Library (VOCAL)" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact vocal@vovida.org.
- *
- * 4. Products derived from this software may not be called "VOCAL", nor
- * may "VOCAL" appear in their name, without prior written
- * permission of Vovida Networks, Inc.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA
- * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
- * IN EXCESS OF 281421,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const OpSetup_cxx_version =
- "$Id: OpSetup.cxx,v 1.35 2001/06/05 01:19:44 kle Exp $";
- #include "OpSetup.hxx"
- #include "RtspServer.hxx"
- #include "RtspSessionManager.hxx"
- #include "RtspRtpProcessor.hxx"
- #include "RtspSetupMsg.hxx"
- #include "RtspServerStats.hxx"
- //check file requested is still valid or has been recently described
- const Sptr<State>
- OpSetup::process( const Sptr<StateEvent> event )
- {
- Sptr<RtspMsg> origMsg = event->getRtspMsg();
- Sptr<RtspSetupMsg> msg;
- msg.dynamicCast(origMsg);
- if( msg == 0 )
- {
- return NEXT_STATE;
- }
- cpLog( LOG_DEBUG, "Handling SETUP" );
- RtspServer& rtspServer = RtspServer::instance();
- // create new RtspSession
- Sptr<RtspSession> newSession = new RtspSession();
- Sptr<RtspTransportSpec> transport = msg->getTransport();
- // build content base
- Data contentBase = rtspServer.networkAddress().getIpName();
- contentBase += ":";
- contentBase += rtspServer.networkAddress().getPort();
- contentBase += "/";
- // open reqested file
- Data filename = msg->getFilePath();
- cpLog( LOG_DEBUG, "Opening file %s", filename.getData() );
- // blocksize can be zero, openAudioFile will give default
- Sptr<RtspFileHandler> rtspFd = new RtspFileHandler( filename, contentBase );
- if( !rtspFd->openAudioFile( transport->myIsRecord, msg->getBlocksize() ) )
- {
- cpLog( LOG_DEBUG, "Fail to open file, reply 404" );
- Sptr<RtspResponse> response = new RtspResponse( msg, RTSP_404_STATUS );
- rtspServer.sendResponse( response );
- return DONE_STATE;
- }
- // save rtp transport information into session
- int rtpPort = RtspRtpProcessor::instance().allocateRtpPort();
- if( !rtpPort )
- {
- cpLog( LOG_DEBUG, "No more available RTP ports, reply 454" );
- Sptr<RtspResponse> response = new RtspResponse( msg, RTSP_453_STATUS );
- rtspServer.sendResponse( response );
- return DONE_STATE;
- }
- transport->myServerPortA = rtpPort;
- transport->myServerPortB = rtpPort + 1;
- transport->mySource = rtspServer.networkAddress().getIpName();
- // attach file handler and transport
- Connection conn = msg->getTransConnPtr()->getConnection();
- NetworkAddress clientAddr( conn.getDescription() );
- newSession->clientAddress( clientAddr );
- newSession->serverAddress( rtspServer.networkAddress() );
- newSession->transport( *transport );
- newSession->fileHandler( rtspFd );
- newSession->myPacketIntervalMs = rtspFd->packetInterval();
- // create rtp stack and set session mode
- newSession->createRtpStack( transport->myIsRecord );
-
- // save setup message
- newSession->setupMsg( msg );
- // add RtspSession into server session map
- Data sessionId = RtspSessionManager::instance().addRtspSession(newSession);
- if( sessionId == "" )
- {
- cpLog( LOG_DEBUG, "No more available session, failing");
- Sptr<RtspResponse> response = new RtspResponse( msg, RTSP_453_STATUS );
- rtspServer.sendResponse( response );
- return DONE_STATE;
- }
- // build and send response
- Sptr<RtspResponse> resp = new RtspResponse( msg, RTSP_200_STATUS );
- resp->appendSessionId( sessionId );
- resp->appendTransportHdr( transport );
- rtspServer.sendResponse( resp );
- if (RtspConfiguration::instance().logStatistics)
- {
- newSession->myStatsMutex.lock();
- newSession->myStats.myCodecUsed = newSession->fileHandler()->ftIndex();
- newSession->myStatsMutex.unlock();
- if ((newSession->myStats.myCodecUsed >= 0) &&
- (newSession->myStats.myCodecUsed < FileTypeIndex))
- {
- RtspServer::instance().myStatsMutex.lock();
- (RtspServer::instance().myStats.myCodecUsage
- [newSession->myStats.myCodecUsed])++;
- RtspServer::instance().myStatsMutex.unlock();
- }
- }
- switch( newSession->sessionMode() )
- {
- case RTSP_SESSION_MODE_PLAY:
- {
- if (RtspConfiguration::instance().logStatistics)
- {
- RtspServer::instance().myStatsMutex.lock();
- RtspServer::instance().myStats.myTotalActPlySessions++;
- RtspServer::instance().myStatsMutex.unlock();
- }
- newSession->state( StateMachine::instance().
- findState( "StateReadyPlay" ) );
- cpLog( LOG_ERR, "Begin Playing new session" );
- break;
- }
- case RTSP_SESSION_MODE_REC:
- {
- if (RtspConfiguration::instance().logStatistics)
- {
- RtspServer::instance().myStatsMutex.lock();
- RtspServer::instance().myStats.myTotalActRecSessions++;
- RtspServer::instance().myStatsMutex.unlock();
- }
- newSession->state( StateMachine::instance().
- findState( "StateReadyRecord" ) );
- cpLog( LOG_ERR, "Begin Recording new session" );
- break;
- }
- default:
- assert( 0 );
- }
- return DONE_STATE;
- }
- /* Local Variables: */
- /* c-file-style: "stroustrup" */
- /* indent-tabs-mode: nil */
- /* c-file-offsets: ((access-label . -) (inclass . ++)) */
- /* c-basic-offset: 4 */
- /* End: */