OpDescribe.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 OpDescribe_cxx_version =
- "$Id: OpDescribe.cxx,v 1.27 2001/05/15 20:26:08 bko Exp $";
- #include "OpDescribe.hxx"
- #include "RtspServer.hxx"
- #include "RtspDescribeMsg.hxx"
- // should we lock the file so other clients don't try to open it
- // ie prevent to two clients accessing one file
- const Sptr<State>
- OpDescribe::process(const Sptr<StateEvent> event)
- {
- Sptr<RtspMsg> origMsg = event->getRtspMsg();
- Sptr<RtspDescribeMsg> msg;
- msg.dynamicCast(origMsg);
- if( msg == 0 )
- {
- return NEXT_STATE;
- }
- cpLog( LOG_DEBUG, "Processing DESCRIBE msg" );
- RtspServer& rtspServer= RtspServer::instance();
- // accept only "application/sdp" content-type
- Data accept = msg->getAccept();
- if( accept.length() != 0 && accept != "application/sdp" )
- {
- cpLog( LOG_DEBUG, "Accept header found(%s), but it's not application/sdp",
- accept.getData() );
- Sptr<RtspResponse> response = new RtspResponse( msg, RTSP_415_STATUS );
- rtspServer.sendResponse( response );
- return DONE_STATE;
- }
- // build content base
- Data contentBase = rtspServer.networkAddress().getIpName();
- contentBase += ":";
- contentBase += rtspServer.networkAddress().getPort();
- contentBase += "/";
- // read description file
- Data filename = msg->getFilePath();
- cpLog( LOG_DEBUG, "Describing file: %s", filename.getData() );
- RtspFileHandler rtspFd( filename, contentBase );
- if( !rtspFd.loadAudioHeader() )
- {
- cpLog( LOG_DEBUG, "File not found, reply 404" );
- Sptr<RtspResponse> response = new RtspResponse( msg, RTSP_404_STATUS );
- rtspServer.sendResponse( response );
- return DONE_STATE;
- }
- // build and send response
- Sptr<RtspResponse> resp = new RtspResponse( msg, RTSP_200_STATUS );
- resp->appendSdpData( rtspFd.readAudioHeader() );
- rtspServer.sendResponse( resp );
- return DONE_STATE;
- }
- /* Local Variables: */
- /* c-file-style: "stroustrup" */
- /* indent-tabs-mode: nil */
- /* c-file-offsets: ((access-label . -) (inclass . ++)) */
- /* c-basic-offset: 4 */
- /* End: */