637 lines
29 KiB
C++
637 lines
29 KiB
C++
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/*
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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: QTSServerInterface.cpp
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Contains: Implementation of object defined in QTSServerInterface.h.
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*/
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//INCLUDES:
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#ifndef kVersionString
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#include "../revision.h"
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#endif
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#include "QTSServerInterface.h"
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#include "RTPSessionInterface.h"
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#include "OSRef.h"
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#include "UDPSocketPool.h"
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#include "RTSPProtocol.h"
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#include "RTPPacketResender.h"
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#ifndef __MacOSX__
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#include "../revision.h"
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#endif
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// STATIC DATA
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UInt32 QTSServerInterface::sServerAPIVersion = QTSS_API_VERSION;
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QTSServerInterface* QTSServerInterface::sServer = NULL;
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#if __MacOSX__
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StrPtrLen QTSServerInterface::sServerNameStr("QTSS");
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#else
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StrPtrLen QTSServerInterface::sServerNameStr("DSS");
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#endif
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// kVersionString from revision.h, include with -i at project level
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StrPtrLen QTSServerInterface::sServerVersionStr(kVersionString);
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StrPtrLen QTSServerInterface::sServerBuildStr(kBuildString);
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StrPtrLen QTSServerInterface::sServerCommentStr(kCommentString);
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StrPtrLen QTSServerInterface::sServerPlatformStr(kPlatformNameString);
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StrPtrLen QTSServerInterface::sServerBuildDateStr(__DATE__ ", "__TIME__);
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char QTSServerInterface::sServerHeader[kMaxServerHeaderLen];
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StrPtrLen QTSServerInterface::sServerHeaderPtr(sServerHeader, kMaxServerHeaderLen);
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ResizeableStringFormatter QTSServerInterface::sPublicHeaderFormatter(NULL, 0);
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StrPtrLen QTSServerInterface::sPublicHeaderStr;
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QTSSModule** QTSServerInterface::sModuleArray[QTSSModule::kNumRoles];
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UInt32 QTSServerInterface::sNumModulesInRole[QTSSModule::kNumRoles];
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OSQueue QTSServerInterface::sModuleQueue;
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QTSSErrorLogStream QTSServerInterface::sErrorLogStream;
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QTSSAttrInfoDict::AttrInfo QTSServerInterface::sConnectedUserAttributes[] =
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{ /*fields: fAttrName, fFuncPtr, fAttrDataType, fAttrPermission */
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/* 0 */ { "qtssConnectionType", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 1 */ { "qtssConnectionCreateTimeInMsec", NULL, qtssAttrDataTypeTimeVal, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 2 */ { "qtssConnectionTimeConnectedInMsec", TimeConnected, qtssAttrDataTypeTimeVal, qtssAttrModeRead | qtssAttrModePreempSafe },
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/* 3 */ { "qtssConnectionBytesSent", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 4 */ { "qtssConnectionMountPoint", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 5 */ { "qtssConnectionHostName", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe } ,
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/* 6 */ { "qtssConnectionSessRemoteAddrStr", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 7 */ { "qtssConnectionSessLocalAddrStr", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 8 */ { "qtssConnectionCurrentBitRate", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 9 */ { "qtssConnectionPacketLossPercent", NULL, qtssAttrDataTypeFloat32, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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// this last parameter is a workaround for the current dictionary implementation. For qtssConnectionTimeConnectedInMsec above we have a param
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// retrieval function. This needs storage to keep the value returned, but if it sets its own param then the function no longer gets called.
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/* 10 */ { "qtssConnectionTimeStorage", NULL, qtssAttrDataTypeTimeVal, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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};
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QTSSAttrInfoDict::AttrInfo QTSServerInterface::sAttributes[] =
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{ /*fields: fAttrName, fFuncPtr, fAttrDataType, fAttrPermission */
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/* 0 */ { "qtssServerAPIVersion", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead | qtssAttrModePreempSafe },
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/* 1 */ { "qtssSvrDefaultDNSName", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead },
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/* 2 */ { "qtssSvrDefaultIPAddr", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead },
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/* 3 */ { "qtssSvrServerName", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead | qtssAttrModePreempSafe },
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/* 4 */ { "qtssRTSPSvrServerVersion", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead | qtssAttrModePreempSafe },
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/* 5 */ { "qtssRTSPSvrServerBuildDate", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead | qtssAttrModePreempSafe },
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/* 6 */ { "qtssSvrRTSPPorts", NULL, qtssAttrDataTypeUInt16, qtssAttrModeRead },
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/* 7 */ { "qtssSvrRTSPServerHeader", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead | qtssAttrModePreempSafe },
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/* 8 */ { "qtssSvrState", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead | qtssAttrModeWrite },
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/* 9 */ { "qtssSvrIsOutOfDescriptors", IsOutOfDescriptors, qtssAttrDataTypeBool16, qtssAttrModeRead },
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/* 10 */ { "qtssRTSPCurrentSessionCount", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead },
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/* 11 */ { "qtssRTSPHTTPCurrentSessionCount",NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead },
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/* 12 */ { "qtssRTPSvrNumUDPSockets", GetTotalUDPSockets, qtssAttrDataTypeUInt32, qtssAttrModeRead },
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/* 13 */ { "qtssRTPSvrCurConn", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead },
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/* 14 */ { "qtssRTPSvrTotalConn", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead },
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/* 15 */ { "qtssRTPSvrCurBandwidth", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead },
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/* 16 */ { "qtssRTPSvrTotalBytes", NULL, qtssAttrDataTypeUInt64, qtssAttrModeRead },
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/* 17 */ { "qtssRTPSvrAvgBandwidth", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead },
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/* 18 */ { "qtssRTPSvrCurPackets", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead },
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/* 19 */ { "qtssRTPSvrTotalPackets", NULL, qtssAttrDataTypeUInt64, qtssAttrModeRead },
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/* 20 */ { "qtssSvrHandledMethods", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 21 */ { "qtssSvrModuleObjects", NULL, qtssAttrDataTypeQTSS_Object,qtssAttrModeRead | qtssAttrModePreempSafe },
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/* 22 */ { "qtssSvrStartupTime", NULL, qtssAttrDataTypeTimeVal, qtssAttrModeRead },
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/* 23 */ { "qtssSvrGMTOffsetInHrs", NULL, qtssAttrDataTypeSInt32, qtssAttrModeRead },
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/* 24 */ { "qtssSvrDefaultIPAddrStr", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead },
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/* 25 */ { "qtssSvrPreferences", NULL, qtssAttrDataTypeQTSS_Object,qtssAttrModeRead | qtssAttrModeInstanceAttrAllowed},
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/* 26 */ { "qtssSvrMessages", NULL, qtssAttrDataTypeQTSS_Object,qtssAttrModeRead },
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/* 27 */ { "qtssSvrClientSessions", NULL, qtssAttrDataTypeQTSS_Object,qtssAttrModeRead },
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/* 28 */ { "qtssSvrCurrentTimeMilliseconds",CurrentUnixTimeMilli, qtssAttrDataTypeTimeVal,qtssAttrModeRead},
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/* 29 */ { "qtssSvrCPULoadPercent", NULL, qtssAttrDataTypeFloat32, qtssAttrModeRead},
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/* 30 */ { "qtssSvrNumReliableUDPBuffers", GetNumUDPBuffers, qtssAttrDataTypeUInt32, qtssAttrModeRead },
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/* 31 */ { "qtssSvrReliableUDPWastageInBytes",GetNumWastedBytes, qtssAttrDataTypeUInt32, qtssAttrModeRead },
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/* 32 */ { "qtssSvrConnectedUsers", NULL, qtssAttrDataTypeQTSS_Object, qtssAttrModeRead | qtssAttrModeWrite },
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/* 33 */ { "qtssMP3SvrCurConn", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 34 */ { "qtssMP3SvrTotalConn", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 35 */ { "qtssMP3SvrCurBandwidth", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 36 */ { "qtssMP3SvrTotalBytes", NULL, qtssAttrDataTypeUInt64, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 37 */ { "qtssMP3SvrAvgBandwidth", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead | qtssAttrModeWrite | qtssAttrModePreempSafe },
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/* 38 */ { "qtssSvrServerBuild", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead | qtssAttrModePreempSafe },
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/* 39 */ { "qtssSvrServerPlatform", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead | qtssAttrModePreempSafe },
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/* 40 */ { "qtssSvrRTSPServerComment", NULL, qtssAttrDataTypeCharArray, qtssAttrModeRead | qtssAttrModePreempSafe },
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/* 41 */ { "qtssSvrNumThinned", NULL, qtssAttrDataTypeSInt32, qtssAttrModeRead | qtssAttrModePreempSafe },
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/* 42 */ { "qtssSvrNumThreads", NULL, qtssAttrDataTypeUInt32, qtssAttrModeRead | qtssAttrModePreempSafe }
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};
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void QTSServerInterface::Initialize()
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{
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for (UInt32 x = 0; x < qtssSvrNumParams; x++)
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QTSSDictionaryMap::GetMap(QTSSDictionaryMap::kServerDictIndex)->
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SetAttribute(x, sAttributes[x].fAttrName, sAttributes[x].fFuncPtr,
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sAttributes[x].fAttrDataType, sAttributes[x].fAttrPermission);
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for (UInt32 y = 0; y < qtssConnectionNumParams; y++)
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QTSSDictionaryMap::GetMap(QTSSDictionaryMap::kQTSSConnectedUserDictIndex)->
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SetAttribute(y, sConnectedUserAttributes[y].fAttrName, sConnectedUserAttributes[y].fFuncPtr,
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sConnectedUserAttributes[y].fAttrDataType, sConnectedUserAttributes[y].fAttrPermission);
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//Write out a premade server header
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StringFormatter serverFormatter(sServerHeaderPtr.Ptr, kMaxServerHeaderLen);
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serverFormatter.Put(RTSPProtocol::GetHeaderString(qtssServerHeader));
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serverFormatter.Put(": ");
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serverFormatter.Put(sServerNameStr);
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serverFormatter.PutChar('/');
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serverFormatter.Put(sServerVersionStr);
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serverFormatter.PutChar(' ');
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serverFormatter.PutChar('(');
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serverFormatter.Put("Build/");
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serverFormatter.Put(sServerBuildStr);
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serverFormatter.Put("; ");
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serverFormatter.Put("Platform/");
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serverFormatter.Put(sServerPlatformStr);
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serverFormatter.PutChar(';');
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if (sServerCommentStr.Len > 0)
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{
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serverFormatter.PutChar(' ');
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serverFormatter.Put(sServerCommentStr);
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}
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serverFormatter.PutChar(')');
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sServerHeaderPtr.Len = serverFormatter.GetCurrentOffset();
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Assert(sServerHeaderPtr.Len < kMaxServerHeaderLen);
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}
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QTSServerInterface::QTSServerInterface()
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: QTSSDictionary(QTSSDictionaryMap::GetMap(QTSSDictionaryMap::kServerDictIndex), &fMutex),
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fSocketPool(NULL),
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fRTPMap(NULL),
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fSrvrPrefs(NULL),
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fSrvrMessages(NULL),
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fServerState(qtssStartingUpState),
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fDefaultIPAddr(0),
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fListeners(NULL),
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fNumListeners(0),
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fStartupTime_UnixMilli(0),
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fGMTOffset(0),
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fNumRTSPSessions(0),
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fNumRTSPHTTPSessions(0),
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fNumRTPSessions(0),
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fNumRTPPlayingSessions(0),
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fTotalRTPSessions(0),
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fTotalRTPBytes(0),
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fTotalRTPPackets(0),
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fTotalRTPPacketsLost(0),
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fPeriodicRTPBytes(0),
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fPeriodicRTPPacketsLost(0),
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fPeriodicRTPPackets(0),
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fCurrentRTPBandwidthInBits(0),
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fAvgRTPBandwidthInBits(0),
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fRTPPacketsPerSecond(0),
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fCPUPercent(0),
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fCPUTimeUsedInSec(0),
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fUDPWastageInBytes(0),
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fNumUDPBuffers(0),
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fNumMP3Sessions(0),
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fTotalMP3Sessions(0),
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fCurrentMP3BandwidthInBits(0),
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fTotalMP3Bytes(0),
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fAvgMP3BandwidthInBits(0),
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fSigInt(false),
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fSigTerm(false),
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fDebugLevel(0),
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fDebugOptions(0),
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fMaxLate(0),
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fTotalLate(0),
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fCurrentMaxLate(0),
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fTotalQuality(0),
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fNumThinned(0),
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fNumThreads(0)
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{
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for (UInt32 y = 0; y < QTSSModule::kNumRoles; y++)
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{
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sModuleArray[y] = NULL;
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sNumModulesInRole[y] = 0;
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}
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this->SetVal(qtssSvrState, &fServerState, sizeof(fServerState));
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this->SetVal(qtssServerAPIVersion, &sServerAPIVersion, sizeof(sServerAPIVersion));
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this->SetVal(qtssSvrDefaultIPAddr, &fDefaultIPAddr, sizeof(fDefaultIPAddr));
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this->SetVal(qtssSvrServerName, sServerNameStr.Ptr, sServerNameStr.Len);
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this->SetVal(qtssSvrServerVersion, sServerVersionStr.Ptr, sServerVersionStr.Len);
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this->SetVal(qtssSvrServerBuildDate, sServerBuildDateStr.Ptr, sServerBuildDateStr.Len);
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this->SetVal(qtssSvrRTSPServerHeader, sServerHeaderPtr.Ptr, sServerHeaderPtr.Len);
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this->SetVal(qtssRTSPCurrentSessionCount, &fNumRTSPSessions, sizeof(fNumRTSPSessions));
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this->SetVal(qtssRTSPHTTPCurrentSessionCount, &fNumRTSPHTTPSessions,sizeof(fNumRTSPHTTPSessions));
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this->SetVal(qtssRTPSvrCurConn, &fNumRTPSessions, sizeof(fNumRTPSessions));
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this->SetVal(qtssRTPSvrTotalConn, &fTotalRTPSessions, sizeof(fTotalRTPSessions));
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this->SetVal(qtssRTPSvrCurBandwidth, &fCurrentRTPBandwidthInBits,sizeof(fCurrentRTPBandwidthInBits));
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this->SetVal(qtssRTPSvrTotalBytes, &fTotalRTPBytes, sizeof(fTotalRTPBytes));
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this->SetVal(qtssRTPSvrAvgBandwidth, &fAvgRTPBandwidthInBits, sizeof(fAvgRTPBandwidthInBits));
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this->SetVal(qtssRTPSvrCurPackets, &fRTPPacketsPerSecond, sizeof(fRTPPacketsPerSecond));
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this->SetVal(qtssRTPSvrTotalPackets, &fTotalRTPPackets, sizeof(fTotalRTPPackets));
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this->SetVal(qtssSvrStartupTime, &fStartupTime_UnixMilli, sizeof(fStartupTime_UnixMilli));
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this->SetVal(qtssSvrGMTOffsetInHrs, &fGMTOffset, sizeof(fGMTOffset));
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this->SetVal(qtssSvrCPULoadPercent, &fCPUPercent, sizeof(fCPUPercent));
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this->SetVal(qtssMP3SvrCurConn, &fNumMP3Sessions, sizeof(fNumMP3Sessions));
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this->SetVal(qtssMP3SvrTotalConn, &fTotalMP3Sessions, sizeof(fTotalMP3Sessions));
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this->SetVal(qtssMP3SvrCurBandwidth, &fCurrentMP3BandwidthInBits,sizeof(fCurrentMP3BandwidthInBits));
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this->SetVal(qtssMP3SvrTotalBytes, &fTotalMP3Bytes, sizeof(fTotalMP3Bytes));
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this->SetVal(qtssMP3SvrAvgBandwidth, &fAvgMP3BandwidthInBits, sizeof(fAvgMP3BandwidthInBits));
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this->SetVal(qtssSvrServerBuild, sServerBuildStr.Ptr, sServerBuildStr.Len);
|
||
|
|
this->SetVal(qtssSvrRTSPServerComment, sServerCommentStr.Ptr, sServerCommentStr.Len);
|
||
|
|
this->SetVal(qtssSvrServerPlatform, sServerPlatformStr.Ptr, sServerPlatformStr.Len);
|
||
|
|
|
||
|
|
this->SetVal(qtssSvrNumThinned, &fNumThinned, sizeof(fNumThinned));
|
||
|
|
this->SetVal(qtssSvrNumThreads, &fNumThreads, sizeof(fNumThreads));
|
||
|
|
|
||
|
|
|
||
|
|
sServer = this;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void QTSServerInterface::LogError(QTSS_ErrorVerbosity inVerbosity, char* inBuffer)
|
||
|
|
{
|
||
|
|
QTSS_RoleParams theParams;
|
||
|
|
theParams.errorParams.inVerbosity = inVerbosity;
|
||
|
|
theParams.errorParams.inBuffer = inBuffer;
|
||
|
|
|
||
|
|
for (UInt32 x = 0; x < QTSServerInterface::GetNumModulesInRole(QTSSModule::kErrorLogRole); x++)
|
||
|
|
(void)QTSServerInterface::GetModule(QTSSModule::kErrorLogRole, x)->CallDispatch(QTSS_ErrorLog_Role, &theParams);
|
||
|
|
|
||
|
|
// If this is a fatal error, set the proper attribute in the RTSPServer dictionary
|
||
|
|
if ((inVerbosity == qtssFatalVerbosity) && (sServer != NULL))
|
||
|
|
{
|
||
|
|
QTSS_ServerState theState = qtssFatalErrorState;
|
||
|
|
(void)sServer->SetValue(qtssSvrState, 0, &theState, sizeof(theState));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void QTSServerInterface::KillAllRTPSessions()
|
||
|
|
{
|
||
|
|
OSMutexLocker locker(fRTPMap->GetMutex());
|
||
|
|
for (OSRefHashTableIter theIter(fRTPMap->GetHashTable()); !theIter.IsDone(); theIter.Next())
|
||
|
|
{
|
||
|
|
OSRef* theRef = theIter.GetCurrent();
|
||
|
|
RTPSessionInterface* theSession = (RTPSessionInterface*)theRef->GetObject();
|
||
|
|
theSession->Signal(Task::kKillEvent);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void QTSServerInterface::SetValueComplete(UInt32 inAttrIndex, QTSSDictionaryMap* inMap,
|
||
|
|
UInt32 inValueIndex, void* inNewValue, UInt32 inNewValueLen)
|
||
|
|
{
|
||
|
|
if (inAttrIndex == qtssSvrState)
|
||
|
|
{
|
||
|
|
Assert(inNewValueLen == sizeof(QTSS_ServerState));
|
||
|
|
|
||
|
|
//
|
||
|
|
// Invoke the server state change role
|
||
|
|
QTSS_RoleParams theParams;
|
||
|
|
theParams.stateChangeParams.inNewState = *(QTSS_ServerState*)inNewValue;
|
||
|
|
|
||
|
|
static QTSS_ModuleState sStateChangeState = { NULL, 0, NULL, false };
|
||
|
|
if (OSThread::GetCurrent() == NULL)
|
||
|
|
OSThread::SetMainThreadData(&sStateChangeState);
|
||
|
|
else
|
||
|
|
OSThread::GetCurrent()->SetThreadData(&sStateChangeState);
|
||
|
|
|
||
|
|
UInt32 numModules = QTSServerInterface::GetNumModulesInRole(QTSSModule::kStateChangeRole);
|
||
|
|
{
|
||
|
|
for (UInt32 theCurrentModule = 0; theCurrentModule < numModules; theCurrentModule++)
|
||
|
|
{
|
||
|
|
QTSSModule* theModule = QTSServerInterface::GetModule(QTSSModule::kStateChangeRole, theCurrentModule);
|
||
|
|
(void)theModule->CallDispatch(QTSS_StateChange_Role, &theParams);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Make sure to clear out the thread data
|
||
|
|
if (OSThread::GetCurrent() == NULL)
|
||
|
|
OSThread::SetMainThreadData(NULL);
|
||
|
|
else
|
||
|
|
OSThread::GetCurrent()->SetThreadData(NULL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
RTPStatsUpdaterTask::RTPStatsUpdaterTask()
|
||
|
|
: Task(), fLastBandwidthTime(0), fLastBandwidthAvg(0), fLastBytesSent(0), fLastTotalMP3Bytes(0)
|
||
|
|
{
|
||
|
|
this->SetTaskName("RTPStatsUpdaterTask");
|
||
|
|
this->Signal(Task::kStartEvent);
|
||
|
|
}
|
||
|
|
|
||
|
|
Float32 RTPStatsUpdaterTask::GetCPUTimeInSeconds()
|
||
|
|
{
|
||
|
|
// This function returns the total number of seconds that the
|
||
|
|
// process running RTPStatsUpdaterTask() has been executing as
|
||
|
|
// a user process.
|
||
|
|
Float32 cpuTimeInSec = 0.0;
|
||
|
|
#ifdef __Win32__
|
||
|
|
// The Win32 way of getting the time for this process
|
||
|
|
HANDLE hProcess = GetCurrentProcess();
|
||
|
|
SInt64 createTime, exitTime, kernelTime, userTime;
|
||
|
|
if(GetProcessTimes(hProcess, (LPFILETIME)&createTime, (LPFILETIME)&exitTime, (LPFILETIME)&kernelTime, (LPFILETIME)&userTime))
|
||
|
|
{
|
||
|
|
// userTime is in 10**-7 seconds since Jan.1, 1607.
|
||
|
|
// (What type of computers did they use in 1607?)
|
||
|
|
cpuTimeInSec = (Float32) (userTime/10000000.0);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// This should never happen!!!
|
||
|
|
Assert(0);
|
||
|
|
cpuTimeInSec = 0.0;
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
// The UNIX way of getting the time for this process
|
||
|
|
clock_t cpuTime = clock();
|
||
|
|
cpuTimeInSec = (Float32) cpuTime / CLOCKS_PER_SEC;
|
||
|
|
#endif
|
||
|
|
return cpuTimeInSec;
|
||
|
|
}
|
||
|
|
|
||
|
|
SInt64 RTPStatsUpdaterTask::Run()
|
||
|
|
{
|
||
|
|
|
||
|
|
QTSServerInterface* theServer = QTSServerInterface::sServer;
|
||
|
|
|
||
|
|
// All of this must happen atomically wrt dictionary values we are manipulating
|
||
|
|
OSMutexLocker locker(&theServer->fMutex);
|
||
|
|
|
||
|
|
//First update total bytes. This must be done because total bytes is a 64 bit number,
|
||
|
|
//so no atomic functions can apply.
|
||
|
|
//
|
||
|
|
// NOTE: The line below is not thread safe on non-PowerPC platforms. This is
|
||
|
|
// because the fPeriodicRTPBytes variable is being manipulated from within an
|
||
|
|
// atomic_add. On PowerPC, assignments are atomic, so the assignment below is ok.
|
||
|
|
// On a non-PowerPC platform, the following would be thread safe:
|
||
|
|
//unsigned int periodicBytes = atomic_add(&theServer->fPeriodicRTPBytes, 0);
|
||
|
|
unsigned int periodicBytes = theServer->fPeriodicRTPBytes;
|
||
|
|
(void)atomic_sub(&theServer->fPeriodicRTPBytes, periodicBytes);
|
||
|
|
theServer->fTotalRTPBytes += periodicBytes;
|
||
|
|
|
||
|
|
// Same deal for packet totals
|
||
|
|
unsigned int periodicPackets = theServer->fPeriodicRTPPackets;
|
||
|
|
(void)atomic_sub(&theServer->fPeriodicRTPPackets, periodicPackets);
|
||
|
|
theServer->fTotalRTPPackets += periodicPackets;
|
||
|
|
|
||
|
|
// ..and for lost packet totals
|
||
|
|
unsigned int periodicPacketsLost = theServer->fPeriodicRTPPacketsLost;
|
||
|
|
(void)atomic_sub(&theServer->fPeriodicRTPPacketsLost, periodicPacketsLost);
|
||
|
|
theServer->fTotalRTPPacketsLost += periodicPacketsLost;
|
||
|
|
|
||
|
|
SInt64 curTime = OS::Milliseconds();
|
||
|
|
|
||
|
|
//for cpu percent
|
||
|
|
Float32 cpuTimeInSec = GetCPUTimeInSeconds();
|
||
|
|
|
||
|
|
//also update current bandwidth statistic
|
||
|
|
if (fLastBandwidthTime != 0)
|
||
|
|
{
|
||
|
|
Assert(curTime > fLastBandwidthTime);
|
||
|
|
UInt32 delta = (UInt32)(curTime - fLastBandwidthTime);
|
||
|
|
// Prevent divide by zero errror
|
||
|
|
if (delta < 1000) {
|
||
|
|
WarnV(delta >= 1000, "delta < 1000");
|
||
|
|
(void)this->GetEvents();//we must clear the event mask!
|
||
|
|
return theServer->GetPrefs()->GetTotalBytesUpdateTimeInSecs() * 1000;
|
||
|
|
}
|
||
|
|
|
||
|
|
UInt32 packetsPerSecond = periodicPackets;
|
||
|
|
UInt32 theTime = delta / 1000;
|
||
|
|
|
||
|
|
packetsPerSecond /= theTime;
|
||
|
|
Assert(packetsPerSecond >= 0);
|
||
|
|
theServer->fRTPPacketsPerSecond = packetsPerSecond;
|
||
|
|
UInt32 additionalBytes = 28 * packetsPerSecond; // IP headers = 20 + UDP headers = 8
|
||
|
|
UInt32 headerBits = 8 * additionalBytes;
|
||
|
|
headerBits /= theTime;
|
||
|
|
|
||
|
|
Float32 bits = periodicBytes * 8;
|
||
|
|
bits /= theTime;
|
||
|
|
theServer->fCurrentRTPBandwidthInBits = (UInt32) (bits + headerBits);
|
||
|
|
|
||
|
|
// okay let's do it for MP3 bytes now
|
||
|
|
bits = (Float32)(((SInt64)theServer->fTotalMP3Bytes - fLastTotalMP3Bytes) * 8);
|
||
|
|
bits /= theTime;
|
||
|
|
theServer->fCurrentMP3BandwidthInBits = (UInt32)bits;
|
||
|
|
|
||
|
|
|
||
|
|
//do the computation for cpu percent
|
||
|
|
Float32 diffTime = cpuTimeInSec - theServer->fCPUTimeUsedInSec;
|
||
|
|
theServer->fCPUPercent = (diffTime/theTime) * 100;
|
||
|
|
|
||
|
|
UInt32 numProcessors = OS::GetNumProcessors();
|
||
|
|
|
||
|
|
if (numProcessors > 1)
|
||
|
|
theServer->fCPUPercent /= numProcessors;
|
||
|
|
}
|
||
|
|
|
||
|
|
fLastTotalMP3Bytes = (SInt64)theServer->fTotalMP3Bytes;
|
||
|
|
fLastBandwidthTime = curTime;
|
||
|
|
// We use a running average for avg. bandwidth calculations
|
||
|
|
theServer->fAvgMP3BandwidthInBits = (theServer->fAvgMP3BandwidthInBits
|
||
|
|
+ theServer->fCurrentMP3BandwidthInBits)/2;
|
||
|
|
|
||
|
|
//for cpu percent
|
||
|
|
theServer->fCPUTimeUsedInSec = cpuTimeInSec;
|
||
|
|
|
||
|
|
//also compute average bandwidth, a much more smooth value. This is done with
|
||
|
|
//the fLastBandwidthAvg, a timestamp of the last time we did an average, and
|
||
|
|
//fLastBytesSent, the number of bytes sent when we last did an average.
|
||
|
|
if ((fLastBandwidthAvg != 0) && (curTime > (fLastBandwidthAvg +
|
||
|
|
(theServer->GetPrefs()->GetAvgBandwidthUpdateTimeInSecs() * 1000))))
|
||
|
|
{
|
||
|
|
UInt32 delta = (UInt32)(curTime - fLastBandwidthAvg);
|
||
|
|
SInt64 bytesSent = theServer->fTotalRTPBytes - fLastBytesSent;
|
||
|
|
Assert(bytesSent >= 0);
|
||
|
|
|
||
|
|
//do the bandwidth computation using floating point divides
|
||
|
|
//for accuracy and speed.
|
||
|
|
Float32 bits = (Float32)(bytesSent * 8);
|
||
|
|
Float32 theAvgTime = (Float32)delta;
|
||
|
|
theAvgTime /= 1000;
|
||
|
|
bits /= theAvgTime;
|
||
|
|
Assert(bits >= 0);
|
||
|
|
theServer->fAvgRTPBandwidthInBits = (UInt32)bits;
|
||
|
|
|
||
|
|
fLastBandwidthAvg = curTime;
|
||
|
|
fLastBytesSent = theServer->fTotalRTPBytes;
|
||
|
|
|
||
|
|
//if the bandwidth is above the bandwidth setting, disconnect 1 user by sending them
|
||
|
|
//a BYE RTCP packet.
|
||
|
|
SInt32 maxKBits = theServer->GetPrefs()->GetMaxKBitsBandwidth();
|
||
|
|
if ((maxKBits > -1) && (theServer->fAvgRTPBandwidthInBits > ((UInt32)maxKBits * 1024)))
|
||
|
|
{
|
||
|
|
//we need to make sure that all of this happens atomically wrt the session map
|
||
|
|
OSMutexLocker locker(theServer->GetRTPSessionMap()->GetMutex());
|
||
|
|
RTPSessionInterface* theSession = this->GetNewestSession(theServer->fRTPMap);
|
||
|
|
if (theSession != NULL)
|
||
|
|
if ((curTime - theSession->GetSessionCreateTime()) <
|
||
|
|
theServer->GetPrefs()->GetSafePlayDurationInSecs() * 1000)
|
||
|
|
theSession->Signal(Task::kKillEvent);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (fLastBandwidthAvg == 0)
|
||
|
|
{
|
||
|
|
fLastBandwidthAvg = curTime;
|
||
|
|
fLastBytesSent = theServer->fTotalRTPBytes;
|
||
|
|
}
|
||
|
|
|
||
|
|
(void)this->GetEvents();//we must clear the event mask!
|
||
|
|
return theServer->GetPrefs()->GetTotalBytesUpdateTimeInSecs() * 1000;
|
||
|
|
}
|
||
|
|
|
||
|
|
RTPSessionInterface* RTPStatsUpdaterTask::GetNewestSession(OSRefTable* inRTPSessionMap)
|
||
|
|
{
|
||
|
|
//Caller must lock down the RTP session map
|
||
|
|
SInt64 theNewestPlayTime = 0;
|
||
|
|
RTPSessionInterface* theNewestSession = NULL;
|
||
|
|
|
||
|
|
//use the session map to iterate through all the sessions, finding the most
|
||
|
|
//recently connected client
|
||
|
|
for (OSRefHashTableIter theIter(inRTPSessionMap->GetHashTable()); !theIter.IsDone(); theIter.Next())
|
||
|
|
{
|
||
|
|
OSRef* theRef = theIter.GetCurrent();
|
||
|
|
RTPSessionInterface* theSession = (RTPSessionInterface*)theRef->GetObject();
|
||
|
|
Assert(theSession->GetSessionCreateTime() > 0);
|
||
|
|
if (theSession->GetSessionCreateTime() > theNewestPlayTime)
|
||
|
|
{
|
||
|
|
theNewestPlayTime = theSession->GetSessionCreateTime();
|
||
|
|
theNewestSession = theSession;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return theNewestSession;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
void* QTSServerInterface::CurrentUnixTimeMilli(QTSSDictionary* inServer, UInt32* outLen)
|
||
|
|
{
|
||
|
|
QTSServerInterface* theServer = (QTSServerInterface*)inServer;
|
||
|
|
theServer->fCurrentTime_UnixMilli = OS::TimeMilli_To_UnixTimeMilli(OS::Milliseconds());
|
||
|
|
|
||
|
|
// Return the result
|
||
|
|
*outLen = sizeof(theServer->fCurrentTime_UnixMilli);
|
||
|
|
return &theServer->fCurrentTime_UnixMilli;
|
||
|
|
}
|
||
|
|
|
||
|
|
void* QTSServerInterface::GetTotalUDPSockets(QTSSDictionary* inServer, UInt32* outLen)
|
||
|
|
{
|
||
|
|
QTSServerInterface* theServer = (QTSServerInterface*)inServer;
|
||
|
|
// Multiply by 2 because this is returning the number of socket *pairs*
|
||
|
|
theServer->fTotalUDPSockets = theServer->fSocketPool->GetSocketQueue()->GetLength() * 2;
|
||
|
|
|
||
|
|
// Return the result
|
||
|
|
*outLen = sizeof(theServer->fTotalUDPSockets);
|
||
|
|
return &theServer->fTotalUDPSockets;
|
||
|
|
}
|
||
|
|
|
||
|
|
void* QTSServerInterface::IsOutOfDescriptors(QTSSDictionary* inServer, UInt32* outLen)
|
||
|
|
{
|
||
|
|
QTSServerInterface* theServer = (QTSServerInterface*)inServer;
|
||
|
|
|
||
|
|
theServer->fIsOutOfDescriptors = false;
|
||
|
|
for (UInt32 x = 0; x < theServer->fNumListeners; x++)
|
||
|
|
{
|
||
|
|
if (theServer->fListeners[x]->IsOutOfDescriptors())
|
||
|
|
{
|
||
|
|
theServer->fIsOutOfDescriptors = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Return the result
|
||
|
|
*outLen = sizeof(theServer->fIsOutOfDescriptors);
|
||
|
|
return &theServer->fIsOutOfDescriptors;
|
||
|
|
}
|
||
|
|
|
||
|
|
void* QTSServerInterface::GetNumUDPBuffers(QTSSDictionary* inServer, UInt32* outLen)
|
||
|
|
{
|
||
|
|
// This param retrieval function must be invoked each time it is called,
|
||
|
|
// because whether we are out of descriptors or not is continually changing
|
||
|
|
QTSServerInterface* theServer = (QTSServerInterface*)inServer;
|
||
|
|
|
||
|
|
theServer->fNumUDPBuffers = RTPPacketResender::GetNumRetransmitBuffers();
|
||
|
|
|
||
|
|
// Return the result
|
||
|
|
*outLen = sizeof(theServer->fNumUDPBuffers);
|
||
|
|
return &theServer->fNumUDPBuffers;
|
||
|
|
}
|
||
|
|
|
||
|
|
void* QTSServerInterface::GetNumWastedBytes(QTSSDictionary* inServer, UInt32* outLen)
|
||
|
|
{
|
||
|
|
// This param retrieval function must be invoked each time it is called,
|
||
|
|
// because whether we are out of descriptors or not is continually changing
|
||
|
|
QTSServerInterface* theServer = (QTSServerInterface*)inServer;
|
||
|
|
|
||
|
|
theServer->fUDPWastageInBytes = RTPPacketResender::GetWastedBufferBytes();
|
||
|
|
|
||
|
|
// Return the result
|
||
|
|
*outLen = sizeof(theServer->fUDPWastageInBytes);
|
||
|
|
return &theServer->fUDPWastageInBytes;
|
||
|
|
}
|
||
|
|
|
||
|
|
void* QTSServerInterface::TimeConnected(QTSSDictionary* inConnection, UInt32* outLen)
|
||
|
|
{
|
||
|
|
SInt64 connectTime;
|
||
|
|
void* result;
|
||
|
|
UInt32 len = sizeof(connectTime);
|
||
|
|
inConnection->GetValue(qtssConnectionCreateTimeInMsec, 0, &connectTime, &len);
|
||
|
|
SInt64 timeConnected = OS::Milliseconds() - connectTime;
|
||
|
|
*outLen = sizeof(timeConnected);
|
||
|
|
inConnection->SetValue(qtssConnectionTimeStorage, 0, &timeConnected, sizeof(connectTime));
|
||
|
|
inConnection->GetValuePtr(qtssConnectionTimeStorage, 0, &result, outLen);
|
||
|
|
|
||
|
|
// Return the result
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
QTSS_Error QTSSErrorLogStream::Write(void* inBuffer, UInt32 inLen, UInt32* outLenWritten, UInt32 inFlags)
|
||
|
|
{
|
||
|
|
// For the error log stream, the flags are considered to be the verbosity
|
||
|
|
// of the error.
|
||
|
|
if (inFlags >= qtssIllegalVerbosity)
|
||
|
|
inFlags = qtssMessageVerbosity;
|
||
|
|
|
||
|
|
QTSServerInterface::LogError(inFlags, (char*)inBuffer);
|
||
|
|
if (outLenWritten != NULL)
|
||
|
|
*outLenWritten = inLen;
|
||
|
|
|
||
|
|
return QTSS_NoErr;
|
||
|
|
}
|
||
|
|
|
||
|
|
void QTSSErrorLogStream::LogAssert(char* inMessage)
|
||
|
|
{
|
||
|
|
QTSServerInterface::LogError(qtssAssertVerbosity, inMessage);
|
||
|
|
}
|
||
|
|
|
||
|
|
|