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Avoid data race in RtcpReceiver.

Browse Source 
See eg https://build.chromium.org/p/client.webrtc/builders/Linux%20Tsan%20v2/builds/3930/steps/video_engine_tests/logs/stdio

Also some cleanup, lock annotations.

BUG=

Review URL: https://codereview.webrtc.org/1401463003

Cr-Commit-Position: refs/heads/master@{#10266}
This commit is contained in:
sprang
2015-10-13 09:17:48 -07:00
committed by Commit bot
parent 73f44f6481
commit 7dc39f331a
2 changed files with 68 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
webrtc/modules/rtp_rtcp/source/rtcp_receiver.cc
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@ -387,7 +387,6 @@ RTCPReceiver::IncomingRTCPPacket(RTCPPacketInformation& rtcpPacketInformation,
return 0;
}
// no need for critsect we have _criticalSectionRTCPReceiver
void
RTCPReceiver::HandleSenderReceiverReport(RTCPUtility::RTCPParserV2& rtcpParser,
RTCPPacketInformation& rtcpPacketInformation)
@ -463,7 +462,6 @@ RTCPReceiver::HandleSenderReceiverReport(RTCPUtility::RTCPParserV2& rtcpParser,
}
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleReportBlock(
const RTCPUtility::RTCPPacket& rtcpPacket,
RTCPPacketInformation& rtcpPacketInformation,
@ -775,7 +773,6 @@ int32_t RTCPReceiver::BoundingSet(bool &tmmbrOwner, TMMBRSet* boundingSetRec) {
return receiveInfo->TmmbnBoundingSet.lengthOfSet();
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleSDES(RTCPUtility::RTCPParserV2& rtcpParser,
RTCPPacketInformation& rtcpPacketInformation) {
RTCPUtility::RTCPPacketTypes pktType = rtcpParser.Iterate();
@ -786,7 +783,6 @@ void RTCPReceiver::HandleSDES(RTCPUtility::RTCPParserV2& rtcpParser,
rtcpPacketInformation.rtcpPacketTypeFlags |= kRtcpSdes;
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleSDESChunk(RTCPUtility::RTCPParserV2& rtcpParser) {
const RTCPUtility::RTCPPacket& rtcpPacket = rtcpParser.Packet();
RTCPCnameInformation* cnameInfo =
@ -804,7 +800,6 @@ void RTCPReceiver::HandleSDESChunk(RTCPUtility::RTCPParserV2& rtcpParser) {
}
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleNACK(RTCPUtility::RTCPParserV2& rtcpParser,
RTCPPacketInformation& rtcpPacketInformation) {
const RTCPUtility::RTCPPacket& rtcpPacket = rtcpParser.Packet();
@ -828,7 +823,6 @@ void RTCPReceiver::HandleNACK(RTCPUtility::RTCPParserV2& rtcpParser,
}
}
// no need for critsect we have _criticalSectionRTCPReceiver
void
RTCPReceiver::HandleNACKItem(const RTCPUtility::RTCPPacket& rtcpPacket,
RTCPPacketInformation& rtcpPacketInformation) {
@ -848,12 +842,10 @@ RTCPReceiver::HandleNACKItem(const RTCPUtility::RTCPPacket& rtcpPacket,
rtcpPacketInformation.rtcpPacketTypeFlags |= kRtcpNack;
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleBYE(RTCPUtility::RTCPParserV2& rtcpParser) {
const RTCPUtility::RTCPPacket& rtcpPacket = rtcpParser.Packet();
// clear our lists
CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
ReportBlockMap::iterator it = _receivedReportBlockMap.begin();
for (; it != _receivedReportBlockMap.end(); ++it) {
ReportBlockInfoMap* info_map = &(it->second);
@ -964,15 +956,12 @@ void RTCPReceiver::HandleXrDlrrReportBlockItem(
rtcpPacketInformation.rtcpPacketTypeFlags |= kRtcpXrDlrrReportBlock;
}
// no need for critsect we have _criticalSectionRTCPReceiver
void
RTCPReceiver::HandleXRVOIPMetric(RTCPUtility::RTCPParserV2& rtcpParser,
RTCPPacketInformation& rtcpPacketInformation)
{
const RTCPUtility::RTCPPacket& rtcpPacket = rtcpParser.Packet();
CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
if(rtcpPacket.XRVOIPMetricItem.SSRC == main_ssrc_)
{
// Store VoIP metrics block if it's about me
@ -1008,7 +997,6 @@ RTCPReceiver::HandleXRVOIPMetric(RTCPUtility::RTCPParserV2& rtcpParser,
rtcpParser.Iterate();
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandlePLI(RTCPUtility::RTCPParserV2& rtcpParser,
RTCPPacketInformation& rtcpPacketInformation) {
const RTCPUtility::RTCPPacket& rtcpPacket = rtcpParser.Packet();
@ -1022,7 +1010,6 @@ void RTCPReceiver::HandlePLI(RTCPUtility::RTCPParserV2& rtcpParser,
rtcpParser.Iterate();
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleTMMBR(RTCPUtility::RTCPParserV2& rtcpParser,
RTCPPacketInformation& rtcpPacketInformation) {
const RTCPUtility::RTCPPacket& rtcpPacket = rtcpParser.Packet();
@ -1059,7 +1046,6 @@ void RTCPReceiver::HandleTMMBR(RTCPUtility::RTCPParserV2& rtcpParser,
}
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleTMMBRItem(RTCPReceiveInformation& receiveInfo,
const RTCPUtility::RTCPPacket& rtcpPacket,
RTCPPacketInformation& rtcpPacketInformation,
@ -1072,7 +1058,6 @@ void RTCPReceiver::HandleTMMBRItem(RTCPReceiveInformation& receiveInfo,
}
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleTMMBN(RTCPUtility::RTCPParserV2& rtcpParser,
RTCPPacketInformation& rtcpPacketInformation) {
const RTCPUtility::RTCPPacket& rtcpPacket = rtcpParser.Packet();
@ -1104,14 +1089,12 @@ void RTCPReceiver::HandleTMMBN(RTCPUtility::RTCPParserV2& rtcpParser,
}
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleSR_REQ(RTCPUtility::RTCPParserV2& rtcpParser,
RTCPPacketInformation& rtcpPacketInformation) {
rtcpPacketInformation.rtcpPacketTypeFlags |= kRtcpSrReq;
rtcpParser.Iterate();
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleTMMBNItem(RTCPReceiveInformation& receiveInfo,
const RTCPUtility::RTCPPacket& rtcpPacket) {
receiveInfo.TmmbnBoundingSet.AddEntry(
@ -1120,7 +1103,6 @@ void RTCPReceiver::HandleTMMBNItem(RTCPReceiveInformation& receiveInfo,
rtcpPacket.TMMBNItem.SSRC);
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleSLI(RTCPUtility::RTCPParserV2& rtcpParser,
RTCPPacketInformation& rtcpPacketInformation) {
const RTCPUtility::RTCPPacket& rtcpPacket = rtcpParser.Packet();
@ -1131,7 +1113,6 @@ void RTCPReceiver::HandleSLI(RTCPUtility::RTCPParserV2& rtcpParser,
}
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleSLIItem(const RTCPUtility::RTCPPacket& rtcpPacket,
RTCPPacketInformation& rtcpPacketInformation) {
// in theory there could be multiple slices lost
@ -1167,7 +1148,6 @@ RTCPReceiver::HandleRPSI(RTCPUtility::RTCPParserV2& rtcpParser,
}
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandlePsfbApp(RTCPUtility::RTCPParserV2& rtcpParser,
RTCPPacketInformation& rtcpPacketInformation) {
RTCPUtility::RTCPPacketTypes pktType = rtcpParser.Iterate();
@ -1180,7 +1160,6 @@ void RTCPReceiver::HandlePsfbApp(RTCPUtility::RTCPParserV2& rtcpParser,
}
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleIJ(RTCPUtility::RTCPParserV2& rtcpParser,
RTCPPacketInformation& rtcpPacketInformation) {
const RTCPUtility::RTCPPacket& rtcpPacket = rtcpParser.Packet();
@ -1208,7 +1187,6 @@ void RTCPReceiver::HandleREMBItem(
rtcpPacket.REMBItem.BitRate;
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleFIR(RTCPUtility::RTCPParserV2& rtcpParser,
RTCPPacketInformation& rtcpPacketInformation) {
const RTCPUtility::RTCPPacket& rtcpPacket = rtcpParser.Packet();
@ -1222,7 +1200,6 @@ void RTCPReceiver::HandleFIR(RTCPUtility::RTCPParserV2& rtcpParser,
}
}
// no need for critsect we have _criticalSectionRTCPReceiver
void RTCPReceiver::HandleFIRItem(RTCPReceiveInformation* receiveInfo,
const RTCPUtility::RTCPPacket& rtcpPacket,
RTCPPacketInformation& rtcpPacketInformation) {
@ -1348,11 +1325,13 @@ void RTCPReceiver::TriggerCallbacksFromRTCPPacket(
// Might trigger a OnReceivedBandwidthEstimateUpdate.
UpdateTMMBR();
}
unsigned int local_ssrc;
uint32_t local_ssrc;
std::set<uint32_t> registered_ssrcs;
{
// We don't want to hold this critsect when triggering the callbacks below.
CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
local_ssrc = main_ssrc_;
registered_ssrcs = registered_ssrcs_;
}
if (!receiver_only_ &&
(rtcpPacketInformation.rtcpPacketTypeFlags & kRtcpSrReq)) {
@ -1414,9 +1393,8 @@ void RTCPReceiver::TriggerCallbacksFromRTCPPacket(
(rtcpPacketInformation.rtcpPacketTypeFlags & kRtcpTransportFeedback)) {
uint32_t media_source_ssrc =
rtcpPacketInformation.transport_feedback_->GetMediaSourceSsrc();
if (media_source_ssrc == main_ssrc_ ||
registered_ssrcs_.find(media_source_ssrc) !=
registered_ssrcs_.end()) {
if (media_source_ssrc == local_ssrc ||
registered_ssrcs.find(media_source_ssrc) != registered_ssrcs.end()) {
_cbTransportFeedbackObserver->OnTransportFeedback(
*rtcpPacketInformation.transport_feedback_.get());
}