SInt64 ReflectorSessionCheckTask::Run()
{
OSRefTable* reflectorSessionMap = QTSServerInterface::GetServer()->GetReflectorSessionMap();
OSMutexLocker locker(reflectorSessionMap->GetMutex());
SInt64 sNowTime = OS::Milliseconds();
for (OSRefHashTableIter theIter(reflectorSessionMap->GetHashTable()); !theIter.IsDone(); theIter.Next())
{
OSRef* theRef = theIter.GetCurrent();
ReflectorSession* theSession = (ReflectorSession*)theRef->GetObject();
SInt64 sCreateTime = theSession->GetInitTimeMS();
if( (theSession->GetNumOutputs() == 0) && (sNowTime-sCreateTime >= 20*1000) )
{
QTSS_RoleParams theParams;
theParams.easyFreeStreamParams.inStreamName = theSession->GetStreamName();
UInt32 numModules = QTSServerInterface::GetNumModulesInRole(QTSSModule::kEasyCMSFreeStreamRole);
for ( UInt32 currentModule=0;currentModule < numModules; currentModule++)
{
qtss_printf("没有客户端观看当前转发媒体\n");
QTSSModule* theModule = QTSServerInterface::GetModule(QTSSModule::kEasyCMSFreeStreamRole, currentModule);
(void)theModule->CallDispatch(Easy_CMSFreeStream_Role, &theParams);
}
}
}
return 30*1000;//30s
}
ReflectorSession* FindOrCreateProxySession(StrPtrLen* inPath, QTSS_StandardRTSP_Params* inParams, StrPtrLen* inData, Bool16 *foundSessionPtr)
{
OSMutexLocker locker(sSessionMap->GetMutex());
OSRef* theSessionRef = sSessionMap->Resolve(inPath);
ReflectorSession* theSession = NULL;
if( inData == NULL ) return NULL;
if (theSessionRef == NULL)
{
StrPtrLen theFileData;
StrPtrLen theFileDeleteData;
theFileData = *inData;
OSCharArrayDeleter fileDataDeleter(theFileDeleteData.Ptr);
if (theFileData.Len <= 0)
return NULL;
SDPSourceInfo* theInfo = NEW SDPSourceInfo(theFileData.Ptr, theFileData.Len); // will make a copy
//if (!theInfo->IsReflectable())
//{ delete theInfo;
// return NULL;
//}
UInt32 theSetupFlag = ReflectorSession::kMarkSetup;
theSession = NEW ReflectorSession(inPath);
if (theSession == NULL) return NULL;
theSession->SetHasBufferedStreams(true);
QTSS_Error theErr = theSession->SetupReflectorSession(theInfo, inParams, theSetupFlag);
if (theErr != QTSS_NoErr)
{
delete theSession;
return NULL;
}
theErr = sSessionMap->Register(theSession->GetRef());
Assert(theErr == QTSS_NoErr);
}
else
{
theSession = (ReflectorSession*)theSessionRef->GetObject();
}
Assert(theSession != NULL);
return theSession;
}
QTSS_Error ProcessRelayRTPData(QTSS_RelayingData_Params* inParams)
{
ReflectorSession* theSession = NULL;
RTSPRelaySession* relaySes = (RTSPRelaySession*)inParams->inRTSPSession;
theSession = relaySes->GetReflectorSession();
if (theSession == NULL)
return QTSS_NoErr;
SourceInfo* theSoureInfo = theSession->GetSourceInfo();
Assert(theSoureInfo != NULL);
if (theSoureInfo == NULL)
return QTSS_NoErr;
UInt32 numStreams = theSession->GetNumStreams();
char* packetData= inParams->inPacketData;
UInt8 packetChannel = inParams->inChannel;
UInt16 packetDataLen = inParams->inPacketLen;
char* rtpPacket = &packetData[0];
{
UInt32 inIndex = packetChannel / 2;
ReflectorStream* theStream = NULL;
if (inIndex < numStreams)
{
theStream = theSession->GetStreamByIndex(inIndex);
SourceInfo::StreamInfo* theStreamInfo =theStream->GetStreamInfo();
UInt16 serverReceivePort =theStreamInfo->fPort;
Bool16 isRTCP =false;
if (theStream != NULL)
{ if (packetChannel & 1)
{ serverReceivePort ++;
isRTCP = true;
}
theStream->PushPacket(rtpPacket,packetDataLen, isRTCP);
}
}
}
return QTSS_NoErr;
}
void* QTSSCallbacks::Easy_GetRTSPPushSessions()
{
OSRefTable* reflectorSessionMap = QTSServerInterface::GetServer()->GetReflectorSessionMap();
EasyMsgSCRTSPPushSessionListACK ack;
ack.SetHeaderValue(EASY_TAG_VERSION, "1.0");
ack.SetHeaderValue(EASY_TAG_CSEQ, "1");
UInt32 uIndex= 0;
OSMutexLocker locker(reflectorSessionMap->GetMutex());
for (OSRefHashTableIter theIter(reflectorSessionMap->GetHashTable()); !theIter.IsDone(); theIter.Next())
{
OSRef* theRef = theIter.GetCurrent();
ReflectorSession* theSession = (ReflectorSession*)theRef->GetObject();
EasyDarwinRTSPSession session;
session.index = uIndex;
char* fullRequestURL = NULL;
RTPSession* clientSession = (RTPSession*) theSession->GetBroadcasterSession();
if(clientSession == NULL) continue;
clientSession->GetValueAsString(qtssCliSesFullURL,0,&fullRequestURL);
session.Url = fullRequestURL;
session.Name = theSession->GetSessionName();
session.numOutputs = theSession->GetNumOutputs();
ack.AddSession(session);
uIndex++;
}
char count[16] = { 0 };
sprintf(count,"%d", uIndex);
ack.SetBodyValue(EASY_TAG_SESSION_COUNT, count);
string msg = ack.GetMsg();
UInt32 theMsgLen = strlen(msg.c_str());
char* retMsg = new char[theMsgLen+1];
retMsg[theMsgLen] = '\0';
strncpy(retMsg, msg.c_str(), strlen(msg.c_str()));
return (void*)retMsg;
}
QTSS_Error RedisInit()//only called by RedisConnect after connect redis sucess
{
//每一次与redis连接后，都应该清除上一次的数据存储，使用覆盖或者直接清除的方式,串行命令使用管线更加高效
char chTemp[128] = { 0 };
do
{
//1,redis密码认证
sprintf(chTemp, "auth %s", sRedisPassword);
sRedisClient->AppendCommand(chTemp);
//2,EasyDarwin唯一信息存储(覆盖上一次的存储)
sprintf(chTemp, "sadd EasyDarwinName %s:%d", sRTSPWanIP, sRTSPWanPort);
sRedisClient->AppendCommand(chTemp);
//3,EasyDarwin属性存储,设置多个filed使用hmset，单个使用hset(覆盖上一次的存储)
sprintf(chTemp, "hmset %s:%d_Info IP %s PORT %d RTP %d", sRTSPWanIP, sRTSPWanPort, sRTSPWanIP, sRTSPWanPort, QTSServerInterface::GetServer()->GetNumRTPSessions());
sRedisClient->AppendCommand(chTemp);
//4,清除推流名称存储
sprintf(chTemp, "del %s:%d_PushName", sRTSPWanIP, sRTSPWanPort);
sRedisClient->AppendCommand(chTemp);
char* strAllPushName;
OSRefTable * reflectorTable = QTSServerInterface::GetServer()->GetReflectorSessionMap();
OSMutex *mutexMap = reflectorTable->GetMutex();
int iPos = 0, iLen = 0;
mutexMap->Lock();
strAllPushName = new char[reflectorTable->GetNumRefsInTable() * 128 + 1];//为每一个推流名称分配128字节的内存
memset(strAllPushName, 0, reflectorTable->GetNumRefsInTable() * 128 + 1);//内存初始化为0
for (OSRefHashTableIter theIter(reflectorTable->GetHashTable()); !theIter.IsDone(); theIter.Next())
{
OSRef* theRef = theIter.GetCurrent();
ReflectorSession * theSession = (ReflectorSession *)theRef->GetObject();
char * chPushName = theSession->GetSessionName();
if (chPushName)
{
strAllPushName[iPos++] = ' ';
memcpy(strAllPushName + iPos, chPushName, strlen(chPushName));
iPos = iPos + strlen(chPushName);
}
}
mutexMap->Unlock();
char *chNewTemp = new char[strlen(strAllPushName) + 128];//注意，这里不能再使用chTemp，因为长度不确定，可能导致缓冲区溢出
//5,推流名称存储
sprintf(chNewTemp, "sadd %s:%d_PushName%s", sRTSPWanIP, sRTSPWanPort, strAllPushName);
sRedisClient->AppendCommand(chTemp);
delete[] chNewTemp;
delete[] strAllPushName;
//6,保活，设置15秒，这之后当前EasyDarwin已经开始提供服务了
sprintf(chTemp, "setex %s:%d_Live 15 1", sRTSPWanIP, sRTSPWanPort);
sRedisClient->AppendCommand(chTemp);
bool bBreak = false;
easyRedisReply* reply = NULL;
for (int i = 0; i < 6; i++)
{
if (EASY_REDIS_OK != sRedisClient->GetReply((void**)&reply))
{
bBreak = true;
if (reply)
EasyFreeReplyObject(reply);
break;
}
EasyFreeReplyObject(reply);
}
if (bBreak)//说明redisGetReply出现了错误
break;
return QTSS_NoErr;
} while (0);
//走到这说明出现了错误，需要进行重连,重连操作再下一次执行命令时进行,在这仅仅是置标志位
sRedisClient->Free();
sIfConSucess = false;
return (QTSS_Error)false;
}
QTSS_Error DoSetup(QTSS_StandardRTSP_Params* inParams)
{
ReflectorSession* theSession = NULL;
UInt32 len = sizeof(theSession);
QTSS_GetValue(inParams->inRTSPSession, sRTSPBroadcastSessionAttr, 0, &theSession, &len);
if(theSession == NULL)
return QTSS_RequestFailed;
Bool16 foundSession = false;
UInt32 theLen = 0;
RTPSessionOutput** theOutput = NULL;
QTSS_Error theErr = QTSS_GetValuePtr(inParams->inClientSession, sOutputAttr, 0, (void**)&theOutput, &theLen);
if (theLen != sizeof(RTPSessionOutput*))
{
if (theErr != QTSS_NoErr)
{
RTPSessionOutput* theNewOutput = NEW RTPSessionOutput(inParams->inClientSession, theSession, sServerPrefs, sStreamCookieAttr );
theSession->AddOutput(theNewOutput,true);
(void)QTSS_SetValue(inParams->inClientSession, sOutputAttr, 0, &theNewOutput, sizeof(theNewOutput));
}
}
//unless there is a digit at the end of this path (representing trackID), don't
//even bother with the request
char* theDigitStr = NULL;
(void)QTSS_GetValueAsString(inParams->inRTSPRequest, qtssRTSPReqFileDigit, 0, &theDigitStr);
QTSSCharArrayDeleter theDigitStrDeleter(theDigitStr);
if (theDigitStr == NULL)
{
return QTSSModuleUtils::SendErrorResponse(inParams->inRTSPRequest, qtssClientBadRequest,sExpectedDigitFilenameErr);
}
UInt32 theTrackID = ::strtol(theDigitStr, NULL, 10);
// Get info about this trackID
SourceInfo::StreamInfo* theStreamInfo = theSession->GetSourceInfo()->GetStreamInfoByTrackID(theTrackID);
// If theStreamInfo is NULL, we don't have a legit track, so return an error
if (theStreamInfo == NULL)
return QTSSModuleUtils::SendErrorResponse(inParams->inRTSPRequest, qtssClientBadRequest,
sReflectorBadTrackIDErr);
StrPtrLen* thePayloadName = &theStreamInfo->fPayloadName;
QTSS_RTPPayloadType thePayloadType = theStreamInfo->fPayloadType;
StringParser parser(thePayloadName);
parser.GetThru(NULL, '/');
theStreamInfo->fTimeScale = parser.ConsumeInteger(NULL);
if (theStreamInfo->fTimeScale == 0)
theStreamInfo->fTimeScale = 90000;
QTSS_RTPStreamObject newStream = NULL;
{
// Ok, this is completely crazy but I can't think of a better way to do this that's
// safe so we'll do it this way for now. Because the ReflectorStreams use this session's
// stream queue, we need to make sure that each ReflectorStream is not reflecting to this
// session while we call QTSS_AddRTPStream. One brutal way to do this is to grab each
// ReflectorStream's mutex, which will stop every reflector stream from running.
for (UInt32 x = 0; x < theSession->GetNumStreams(); x++)
theSession->GetStreamByIndex(x)->GetMutex()->Lock();
theErr = QTSS_AddRTPStream(inParams->inClientSession, inParams->inRTSPRequest, &newStream, 0);
for (UInt32 y = 0; y < theSession->GetNumStreams(); y++)
theSession->GetStreamByIndex(y)->GetMutex()->Unlock();
if (theErr != QTSS_NoErr)
return theErr;
}
// Set up dictionary items for this stream
theErr = QTSS_SetValue(newStream, qtssRTPStrPayloadName, 0, thePayloadName->Ptr, thePayloadName->Len);
Assert(theErr == QTSS_NoErr);
theErr = QTSS_SetValue(newStream, qtssRTPStrPayloadType, 0, &thePayloadType, sizeof(thePayloadType));
Assert(theErr == QTSS_NoErr);
theErr = QTSS_SetValue(newStream, qtssRTPStrTrackID, 0, &theTrackID, sizeof(theTrackID));
Assert(theErr == QTSS_NoErr);
theErr = QTSS_SetValue(newStream, qtssRTPStrTimescale, 0, &theStreamInfo->fTimeScale, sizeof(theStreamInfo->fTimeScale));
Assert(theErr == QTSS_NoErr);
// We only want to allow over buffering to dynamic rate clients
SInt32 canDynamicRate = -1;
theLen = sizeof(canDynamicRate);
(void) QTSS_GetValue(inParams->inRTSPRequest, qtssRTSPReqDynamicRateState, 0, (void*) &canDynamicRate, &theLen);
if (canDynamicRate < 1) // -1 no rate field, 0 off
(void)QTSS_SetValue(inParams->inClientSession, qtssCliSesOverBufferEnabled, 0, &sFalse, sizeof(sFalse));
// Place the stream cookie in this stream for future reference
void* theStreamCookie = theSession->GetStreamCookie(theTrackID);
Assert(theStreamCookie != NULL);
theErr = QTSS_SetValue(newStream, sStreamCookieAttr, 0, &theStreamCookie, sizeof(theStreamCookie));
Assert(theErr == QTSS_NoErr);
// Set the number of quality levels.
static UInt32 sNumQualityLevels = ReflectorSession::kNumQualityLevels;
theErr = QTSS_SetValue(newStream, qtssRTPStrNumQualityLevels, 0, &sNumQualityLevels, sizeof(sNumQualityLevels));
Assert(theErr == QTSS_NoErr);
//send the setup response
(void)QTSS_AppendRTSPHeader(inParams->inRTSPRequest, qtssCacheControlHeader,
kCacheControlHeader.Ptr, kCacheControlHeader.Len);
(void)QTSS_SendStandardRTSPResponse(inParams->inRTSPRequest, newStream, qtssSetupRespDontWriteSSRC);
return QTSS_NoErr;
}
QTSS_Error DoDescribe(QTSS_StandardRTSP_Params* inParams)
{
char* theUriStr = NULL;
QTSS_Error err = QTSS_GetValueAsString(inParams->inRTSPRequest, qtssRTSPReqFileName, 0, &theUriStr);
Assert(err == QTSS_NoErr);
if(err != QTSS_NoErr)
return QTSSModuleUtils::SendErrorResponse(inParams->inRTSPRequest, qtssClientBadRequest, 0);
QTSSCharArrayDeleter theUriStrDeleter(theUriStr);
//从接口获取信息结构体
//TODO:
DeviceInfo* pDeviceInfo = parseDevice->GetDeviceInfoByIdName(theUriStr);
if(pDeviceInfo == NULL)
{
qtss_printf("ID:%s Not Found\n",theUriStr);
return QTSS_RequestFailed;
}
//信息存在rtsp://59.46.115.84:8554/h264/ch1/sub/av_stream
RTSPRelaySession* clientSes = NULL;
//首先查找Map里面是否已经有了对应的流
StrPtrLen streamName(theUriStr);
OSRef* clientSesRef = sClientSessionMap->Resolve(&streamName);
if(clientSesRef != NULL)
{
clientSes = (RTSPRelaySession*)clientSesRef->GetObject();
}
else
{
clientSes = NEW RTSPRelaySession(
SocketUtils::ConvertStringToAddr(pDeviceInfo->m_szIP),
pDeviceInfo->m_nPort,
pDeviceInfo->m_szSourceUrl,
1,
rtcpInterval,
0,
theReadInterval,
sockRcvBuf,
speed,
packetPlayHeader,
overbufferwindowInK,
sendOptions,
pDeviceInfo->m_szUser,
pDeviceInfo->m_szPassword,
theUriStr);
OS_Error theErr = clientSes->SendDescribe();
if(theErr == QTSS_NoErr)
{
OS_Error theErr = sClientSessionMap->Register(clientSes->GetRef());
Assert(theErr == QTSS_NoErr);
}
else
{
clientSes->Signal(Task::kKillEvent);
return QTSSModuleUtils::SendErrorResponse(inParams->inRTSPRequest, qtssClientNotFound, 0);
}
//增加一次对RelaySession的无效引用，后面会统一释放
OSRef* debug = sClientSessionMap->Resolve(&streamName);
Assert(debug == clientSes->GetRef());
}
ReflectorSession* theSession = SetupProxySession(inParams, clientSes);
if (theSession == NULL)
{
sClientSessionMap->Release(clientSes->GetRef());
return QTSSModuleUtils::SendErrorResponse(inParams->inRTSPRequest, qtssServerNotImplemented, 0);
}
QTSS_Error Err = QTSS_SetValue(inParams->inRTSPSession, sRTSPBroadcastSessionAttr, 0, &theSession, sizeof(theSession));
Assert(Err == QTSS_NoErr);
clientSes->SetReflectorSession(theSession);
theSession->SetRTSPRelaySession((void*)clientSes);
sClientSessionMap->Release(clientSes->GetRef());
iovec theDescribeVec[3] = { {0 }};
Assert(theSession->GetLocalSDP()->Ptr != NULL);
StrPtrLen theFileData;
QTSS_TimeVal outModDate = 0;
QTSS_TimeVal inModDate = -1;
theFileData.Ptr = theSession->GetLocalSDP()->Ptr;
theFileData.Len = theSession->GetLocalSDP()->Len;
// -------------- process SDP to remove connection info and add track IDs, port info, and default c= line
StrPtrLen theSDPData;
SDPSourceInfo tempSDPSourceInfo(theFileData.Ptr, theFileData.Len); // will make a copy and delete in destructor
theSDPData.Ptr = tempSDPSourceInfo.GetLocalSDP(&theSDPData.Len); // returns a new buffer with processed sdp
OSCharArrayDeleter sdpDeleter(theSDPData.Ptr); // delete the temp sdp source info buffer returned by GetLocalSDP
if (theSDPData.Len <= 0) // can't find it on disk or it failed to parse just use the one in the session.
{
theSDPData.Ptr = theSession->GetLocalSDP()->Ptr; // this sdp isn't ours it must not be deleted
theSDPData.Len = theSession->GetLocalSDP()->Len;
}
// ------------ Clean up missing required SDP lines
ResizeableStringFormatter editedSDP(NULL,0);
DoDescribeAddRequiredSDPLines2(inParams, theSession, outModDate, &editedSDP, &theSDPData);
StrPtrLen editedSDPSPL(editedSDP.GetBufPtr(),editedSDP.GetBytesWritten());
// ------------ Check the headers
SDPContainer checkedSDPContainer;
checkedSDPContainer.SetSDPBuffer( &editedSDPSPL );
if (!checkedSDPContainer.IsSDPBufferValid())
{
return QTSSModuleUtils::SendErrorResponseWithMessage(inParams->inRTSPRequest, qtssUnsupportedMediaType, &sSDPNotValidMessage);
}
// ------------ Put SDP header lines in correct order
Float32 adjustMediaBandwidthPercent = 1.0;
Bool16 adjustMediaBandwidth = false;
SDPLineSorter sortedSDP(&checkedSDPContainer,adjustMediaBandwidthPercent);
// ------------ Write the SDP
UInt32 sessLen = sortedSDP.GetSessionHeaders()->Len;
UInt32 mediaLen = sortedSDP.GetMediaHeaders()->Len;
theDescribeVec[1].iov_base = sortedSDP.GetSessionHeaders()->Ptr;
theDescribeVec[1].iov_len = sortedSDP.GetSessionHeaders()->Len;
theDescribeVec[2].iov_base = sortedSDP.GetMediaHeaders()->Ptr;
theDescribeVec[2].iov_len = sortedSDP.GetMediaHeaders()->Len;
(void)QTSS_AppendRTSPHeader(inParams->inRTSPRequest, qtssCacheControlHeader,
kCacheControlHeader.Ptr, kCacheControlHeader.Len);
QTSSModuleUtils::SendDescribeResponse(inParams->inRTSPRequest, inParams->inClientSession,
&theDescribeVec[0], 3, sessLen + mediaLen );
return QTSS_NoErr;
}
