Beispiel #1
0
UInt32 WatcherMgr::GetNextConnId()
{
    static OSMutex connIDMutex;
    connIDMutex.Lock();
    ++m_curConnID;
    connIDMutex.Unlock();
    return m_curConnID;
    /*
    CwxMutexGuard<CwxMutexLock> lock(&m_connMapMutex);
    CWX_UINT32 uiConnId = m_uiCurConnId + 1;
    while(1)
    {
    if (m_connMap.find(uiConnId) == m_connMap.end()) break;
    uiConnId++;
    if (uiConnId > CWX_APP_MAX_CONN_ID) uiConnId = CWX_APP_MIN_CONN_ID;
    }
    m_uiCurConnId = uiConnId;
    return uiConnId;
    */
}
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;
}