114 lines
4.7 KiB
C++
114 lines
4.7 KiB
C++
/*
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*
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*/
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/*
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File: RTCPTask.cpp
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Contains: Implementation of class defined in RTCPTask.h
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*/
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#include "RTCPTask.h"
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#include "QTSServerInterface.h"
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#include "UDPSocketPool.h"
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#include "RTPStream.h"
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SInt64 RTCPTask::Run()
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{
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const UInt32 kMaxRTCPPacketSize = 2048;
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char thePacketBuffer[kMaxRTCPPacketSize];
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StrPtrLen thePacket(thePacketBuffer, 0);
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QTSServerInterface* theServer = QTSServerInterface::GetServer();
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//This task goes through all the UDPSockets in the RTPSocketPool, checking to see
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//if they have data. If they do, it demuxes the packets and sends the packet onto
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//the proper RTP session.
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EventFlags events = this->GetEvents(); // get and clear events
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if ( (events & Task::kReadEvent) || (events & Task::kIdleEvent) )
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{
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//Must be done atomically wrt the socket pool.
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OSMutexLocker locker(theServer->GetSocketPool()->GetMutex());
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for (OSQueueIter iter(theServer->GetSocketPool()->GetSocketQueue());
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!iter.IsDone(); iter.Next())
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{
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UInt32 theRemoteAddr = 0;
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UInt16 theRemotePort = 0;
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UDPSocketPair* thePair = (UDPSocketPair*)iter.GetCurrent()->GetEnclosingObject();
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Assert(thePair != NULL);
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for (UInt32 x = 0; x < 2; x++)
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{
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UDPSocket* theSocket = NULL;
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if (x == 0)
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theSocket = thePair->GetSocketA();
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else
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theSocket = thePair->GetSocketB();
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UDPDemuxer* theDemuxer = theSocket->GetDemuxer();
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if (theDemuxer == NULL)
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continue;
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else
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{
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theDemuxer->GetMutex()->Lock();
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while (true) //get all the outstanding packets for this socket
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{
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thePacket.Len = 0;
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theSocket->RecvFrom(&theRemoteAddr, &theRemotePort, thePacket.Ptr,
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kMaxRTCPPacketSize, &thePacket.Len);
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if (thePacket.Len == 0)
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{
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theSocket->RequestEvent(EV_RE);
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break;//no more packets on this socket!
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}
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//if this socket has a demuxer, find the target RTPStream
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if (theDemuxer != NULL)
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{
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RTPStream* theStream = (RTPStream*)theDemuxer->GetTask(theRemoteAddr, theRemotePort);
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if (theStream != NULL)
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theStream->ProcessIncomingRTCPPacket(&thePacket);
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}
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}
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theDemuxer->GetMutex()->Unlock();
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}
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}
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}
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}
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return 0; /* Fix for 4004432 */
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/*
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SInt64 result = 0;
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if (theServer->GetNumRTPSessions() > 0)
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result = theServer->GetPrefs()->GetRTCPPollIntervalInMsec();
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return result;
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*/
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}
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