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hxntsrc.cpp：源码内容

// If we reach to an unknown mode during transport switching, then
// we are all out of possibilities, and we can consider the server
// connection timed out...
if (m_PreferredTransport == UnknownMode)
{
theErr = HXR_SERVER_TIMEOUT;
goto cleanup;
}
else
{
set_transport(m_PreferredTransport);
}
// If we were asked to use a specific UDP Port. Then
// tell the protocol object about the request...
if (m_bUseUDPPort)
{
m_pProto->set_UDP_port();
}
if (m_bUseProxy)
{
theErr = m_pProto->set_proxy(m_pProxy,m_uProxyPort);
if (HXR_OK != theErr)
{
goto cleanup;
}
}
if (HTTPCloakMode == m_CurrentTransport &&
PTS_READY != m_prefTransportState)
{
CreateCloakedPortList();
m_pProto->SetCloakPortAttempted(m_pCloakPortList, m_nNumberOfCloakPorts);
}
#if defined(HELIX_FEATURE_PREFETCH)
if (m_bPrefetch)
{
m_pProto->EnterPrefetch();
}
#endif /* HELIX_FEATURE_PREFETCH */
m_pProto->set_server_timeout(m_ulServerTimeOut);
m_pProto->set_perfect_play(m_bPerfectPlay);
cleanup:
return theErr;
}
void
HXNetSource::set_transport(TransportMode mode)
{
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)set_transport %lu", this, mode));
m_CurrentTransport = mode;
// Tell the protocol object, (in case it doesn't remember <g>).
if(m_pProto)
m_pProto->set_transport(m_CurrentTransport, m_ulTransportPrefMask);
}
// sets up HXSource to use a RealMedia splitter
HX_RESULT
HXNetSource::set_proxy(const char* proxy, UINT16 port)
{
HX_TRACE("HXNetSource::set_proxy");
HX_RESULT theErr = HXR_OK;
IHXProxyManager* pProxyManager = NULL;
if(proxy == 0 || *proxy == 0)
{
theErr = HXR_OK;
goto cleanup;
}
if(m_pProxy)
{
delete [] m_pProxy;
m_pProxy = NULL;
}
m_pProxy = new char[::strlen(proxy) + 1];
if(m_pProxy == NULL)
{
theErr = HXR_OUTOFMEMORY;
goto cleanup;
}
::strcpy(m_pProxy, proxy); /* Flawfinder: ignore */
m_uProxyPort = port;
m_bUseProxy = TRUE;
if (m_pPlayer &&
HXR_OK == m_pPlayer->QueryInterface(IID_IHXProxyManager, (void**)&pProxyManager) &&
pProxyManager)
{
m_bUseProxy = !(pProxyManager->IsExemptionHost(m_pHost));
}
HX_RELEASE(pProxyManager);
cleanup:
return(theErr);
}
HX_RESULT
HXNetSource::cleanup_proxy(void)
{
HX_TRACE("HXNetSource::cleanup_proxy");
HX_RESULT theErr = HXR_OK;
m_uProxyPort = 0;
HX_VECTOR_DELETE(m_pProxy);
m_bUseProxy = FALSE;
return(theErr);
}
HX_RESULT
HXNetSource::ReadPreferences()
{
HX_TRACE("HXNetSource::ReadPreferences");
HX_RESULT theErr = HXR_OK;
UINT32 un16Temp = 0;
TransportMode preferredTransMode = UnknownMode;
TransportMode desiredTransMode = UnknownMode;
IHXBuffer* pValue = NULL;
theErr = HXSource::ReadPreferences();
if (theErr)
{
return theErr;
}
// Read Client ID
IHXBuffer* pBuffer = NULL;
IHXBuffer* pProxyHost = NULL;
IHXBuffer* pProxyPort = NULL;
/* We only want to read PerfectPlay preference once.
* This is because we may disable PerfectPlay if the server
* does not allow it OR if the content is not "PerfectPlay"able.
* In each of these cases, we call brute_force_reconnect()
* and we do not want to over-write m_bPerfectPlay
*/
if (!m_bPerfectPlayPreferenceRead)
{
m_bPerfectPlayPreferenceRead = TRUE;
ReadPrefBOOL(m_pPreferences, "PerfectPlay", m_bPerfectPlay);
}
const char* pcszClientID = NULL;
IHXRegistry* pRegistry = NULL;
if (m_pEngine->QueryInterface(IID_IHXRegistry, (void**)&pRegistry) == HXR_OK)
{
// Form clientID registry string
CHXString strTemp;
strTemp = HXREGISTRY_PREFPROPNAME;
strTemp += '.';
strTemp += CLIENT_ID_REGNAME;
if (pRegistry->GetStrByName(strTemp, pBuffer) == HXR_OK)
{
pcszClientID = (const char*)pBuffer->GetBuffer();
}
pRegistry->Release();
}
else
{
// Encode the client ID with the pieces of interest.
HXVERSIONINFO verInfo;
HXGetWinVer(&verInfo);
pcszClientID = HXGetVerEncodedName(&verInfo,
PRODUCT_ID,
TARVER_STRING_VERSION,
LANGUAGE_CODE,
"RN01");
}
if (pcszClientID)
{
UINT32 ulSizeof_mClientID = sizeof(mClientID);
UINT32 ulSafeStrlenClientId = HX_SAFESIZE_T(strlen(pcszClientID));
HX_ASSERT(ulSafeStrlenClientId < ulSizeof_mClientID);
if (ulSafeStrlenClientId >= ulSizeof_mClientID)
{
// /Limiting too-large string fixes PR 86928 (but whatever
// writes to props|prefs needs to be sure not to overflow
// the max size):
ulSafeStrlenClientId = ulSizeof_mClientID - 1;
}
memcpy(mClientID, pcszClientID, ulSafeStrlenClientId); /* Flawfinder: ignore */
mClientID[ulSafeStrlenClientId] = '';
}
HX_RELEASE(pBuffer);
ReadPrefINT32(m_pPreferences, "ServerTimeOut", m_ulServerTimeOut);
if (m_ulServerTimeOut < MINIMUM_TIMEOUT)
{
m_ulServerTimeOut = MINIMUM_TIMEOUT;
}
ReadPrefINT32(m_pPreferences, "ConnectionTimeOut", m_ulConnectionTimeout);
if (m_ulConnectionTimeout < MINIMUM_TIMEOUT)
{
m_ulConnectionTimeout = MINIMUM_TIMEOUT;
}
ReadPrefINT32(m_pPreferences, "MulticastTimeout", m_ulMulticastTimeout);
ReadPrefINT32(m_pPreferences, "UDPTimeout", m_ulUDPTimeout);
ReadPrefINT32(m_pPreferences, "TCPTimeout", m_ulTCPTimeout);
ReadPrefBOOL(m_pPreferences, "SendStatistics", m_bSendStatistics);
/////////////////////////////////////////////////////////////
//
// Handle Specific UDP Port Preferences here....
//
ReadPrefBOOL(m_pPreferences, "UseUDPPort", m_bUseUDPPort);
#if defined(HELIX_FEATURE_SMARTERNETWORK)
if (!m_pPreferredTransport)
{
m_pPreferredTransportManager->GetTransportPreference(m_bRTSPProtocol?PTP_RTSP:PTP_PNM, m_ulTransportPrefMask);
HX_ASSERT(m_ulTransportPrefMask);
m_pPreferredTransportManager->GetPrefTransport(m_pHost,
m_bRTSPProtocol?PTP_RTSP:PTP_PNM,
m_pPreferredTransport);
HX_ASSERT(m_pPreferredTransport);
m_prefTransportState = m_pPreferredTransport->GetState();
if (m_prefTransportState == PTS_READY ||
m_prefTransportState == PTS_CREATE)
{
m_pPreferredTransport->GetTransport(m_PreferredTransport,
m_uCurrCloakedPort);
#if !defined(HELIX_FEATURE_TRANSPORT_MULTICAST)
if (MulticastMode == m_PreferredTransport)
{
m_PreferredTransport = UDPMode;
}
#endif /* HELIX_FEATURE_TRANSPORT_MULTICAST */
}
else if (m_prefTransportState == PTS_PENDING)
{
m_state = NETSRC_TRANSPORTPENDING;
m_pPreferredTransport->AddTransportSink(this);
theErr = HXR_WOULD_BLOCK;
}
}
#else
if (UnknownMode == m_PreferredTransport)
{
m_PreferredTransport = UDPMode;
}
#endif /* HELIX_FEATURE_SMARTERNETWORK */
// if the "Use Proxy" is explicitly set, we will use proxy settings accordingly
// regardless what server type(internal vs external) it is.
//if (m_pPreferredTransport->GetClass() == PTC_EXTERNAL)
{
// handle proxies
if (HTTPCloakMode == m_PreferredTransport)
{
un16Temp = 0;
#if defined(HELIX_FEATURE_PAC)
if (HXR_OK != ReadPrefINT32(m_pPreferences, "HTTPProxyAutoConfig", un16Temp))
{
// previously released Enterprise player may use "ProxyAutoConfig" for
// HTTP proxy auto config
ReadPrefINT32(m_pPreferences, "ProxyAutoConfig", un16Temp);
}
// HTTP Proxy Auto Config
if (un16Temp)
{
if (!m_pPAC)
{
m_pEngine->QueryInterface(IID_IHXProxyAutoConfig, (void**)&m_pPAC);
}
if (m_pPAC &&
(!m_pPACInfoList || 0 == m_pPACInfoList->GetCount()))
{
theErr = m_pPAC->GetHTTPProxyInfo((IHXProxyAutoConfigCallback*)this,
m_pszURL,
m_pHost);
}
// attempt the next proxy info from m_pPACInfoList
else if (m_pPACInfoList && m_PACInfoPosition)
{
PACInfo* pPACInfo = (PACInfo*)m_pPACInfoList->GetNext(m_PACInfoPosition);
if (pPACInfo && pPACInfo->type != PAC_DIRECT)
{
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)PAC: %s %lu", this, pPACInfo->pszHost, pPACInfo->ulPort));
set_proxy(pPACInfo->pszHost, (UINT16)pPACInfo->ulPort);
}
else if (pPACInfo)
{
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)PAC: DIRECT", this));
}
}
if (HXR_WOULD_BLOCK == theErr)
{
m_state = NETSRC_PACPENDING;
}
}
else
#endif /* HELIX_FEATURE_PAC */
{
if (HXR_OK == ReadPrefINT32(m_pPreferences, "HTTPProxySupport", un16Temp))
{
if (un16Temp)
{
if (m_pszReconnectProxy)
{
set_proxy(m_pszReconnectProxy, (UINT16)m_ulReconnectProxyPort);
}
else if (m_pPreferences && m_pPreferences->ReadPref("HTTPProxyHost", pProxyHost) == HXR_OK &&
m_pPreferences->ReadPref("HTTPProxyPort", pProxyPort) == HXR_OK)
{
set_proxy((const char*)pProxyHost->GetBuffer(), atoi((const char*)pProxyPort->GetBuffer()));
}
HX_RELEASE(pProxyHost);
HX_RELEASE(pProxyPort);
}
}
}
}
else
{
#if defined(HELIX_FEATURE_PAC)
// RTSP/PNM Proxy Auto Config
if (HXR_OK == ReadPrefINT32(m_pPreferences, "RTSPPNMProxyAutoConfig", un16Temp) && un16Temp)
{
if (!m_pPAC)
{
m_pEngine->QueryInterface(IID_IHXProxyAutoConfig, (void**)&m_pPAC);
}
if (m_pPAC &&
(!m_pPACInfoList || 0 == m_pPACInfoList->GetCount()))
{
theErr = m_pPAC->GetRTSPPNMProxyInfo((IHXProxyAutoConfigCallback*)this,
m_pszURL,
m_pHost);
}
// attempt the next proxy info from m_pPACInfoList
else if (m_pPACInfoList && m_PACInfoPosition)
{
PACInfo* pPACInfo = (PACInfo*)m_pPACInfoList->GetNext(m_PACInfoPosition);
if (pPACInfo && pPACInfo->type != PAC_DIRECT)
{
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)PAC: %s %lu", this, pPACInfo->pszHost, pPACInfo->ulPort));
set_proxy(pPACInfo->pszHost, (UINT16)pPACInfo->ulPort);
}
else if (pPACInfo)
{
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)PAC: DIRECT", this));
}
}
if (HXR_WOULD_BLOCK == theErr)
{
m_state = NETSRC_PACPENDING;
}
}
else
#endif /* HELIX_FEATURE_PAC */
{
// RTSP proxy
if (m_bRTSPProtocol)
{
if (HXR_OK == ReadPrefINT32(m_pPreferences, "RTSPProxySupport", un16Temp) && un16Temp)
{
if (m_pszReconnectProxy)
{
set_proxy(m_pszReconnectProxy, (UINT16)m_ulReconnectProxyPort);
}
else if (m_pPreferences && m_pPreferences->ReadPref("RTSPProxyHost", pProxyHost) == HXR_OK &&
m_pPreferences->ReadPref("RTSPProxyPort", pProxyPort) == HXR_OK)
{
set_proxy((const char*)pProxyHost->GetBuffer(), atoi((const char*)pProxyPort->GetBuffer()));
}
HX_RELEASE(pProxyHost);
HX_RELEASE(pProxyPort);
}
}
#if defined(HELIX_FEATURE_PNA)
// PNA proxy
else
{
if (HXR_OK == ReadPrefINT32(m_pPreferences, "PNAProxySupport", un16Temp) && un16Temp)
{
if (m_pszReconnectProxy)
{
set_proxy(m_pszReconnectProxy, m_ulReconnectProxyPort);
}
else if (m_pPreferences && m_pPreferences->ReadPref("PNAProxyHost", pProxyHost) == HXR_OK &&
m_pPreferences->ReadPref("PNAProxyPort", pProxyPort) == HXR_OK)
{
set_proxy((const char*)pProxyHost->GetBuffer(), atoi((const char*)pProxyPort->GetBuffer()));
}
HX_RELEASE(pProxyHost);
HX_RELEASE(pProxyPort);
}
}
#endif /* defined(HELIX_FEATURE_PNA)*/
}
}
}
return theErr;
}
HX_RESULT
HXNetSource::CreateProtocol()
{
IHXStatistics* pStatistics = NULL;
HX_TRACE("HXNetSource::CreateProtocol");
HX_RESULT theErr = HXR_OK;
// delete the earlier protocol if one exists
HX_RELEASE(m_pProto);
if (m_bRTSPProtocol)
{
m_pProto = new RTSPProtocol(this, 0);
}
else
{
#if defined(HELIX_FEATURE_PNA)
m_pProto = new PNAProtocol(this, 0);
#else
theErr = HXR_INVALID_PROTOCOL;
#endif /* HELIX_FEATIRE_PNA */
}
if (HXR_OK == theErr)
{
if (m_pProto == NULL)
{
theErr = HXR_OUTOFMEMORY;
}
else
{
HX_ADDREF(m_pProto);
}
}
// set the proxy
if (!theErr && m_bUseProxy)
{
theErr = m_pProto->set_proxy(m_pProxy, m_uProxyPort);
}
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
if (!theErr && HXR_OK == m_pProto->QueryInterface(IID_IHXStatistics, (void**) &pStatistics))
{
if (m_pStats)
{
pStatistics->InitializeStatistics(m_pStats->m_ulRegistryID);
}
HX_RELEASE(pStatistics);
}
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
return theErr;
}
BOOL
HXNetSource::CheckTransportTimeout(ULONG32 ulTime)
{
BOOL bTimedOut = FALSE;
ULONG32 ulTimeOut = 0;
if (!m_bDataWaitStarted)
{
return FALSE;
}
ULONG32 elapsed = CALCULATE_ELAPSED_TICKS(m_ulStartDataWait,ulTime);
if (m_bConnectionWait)
{
ulTimeOut = m_ulConnectionTimeout * MILLISECS_PER_SECOND;
}
else
{
switch (m_CurrentTransport)
{
case MulticastMode:
ulTimeOut = m_ulMulticastTimeout;
break;
case UDPMode:
ulTimeOut = m_ulUDPTimeout;
break;
case TCPMode:
ulTimeOut = m_ulTCPTimeout;
break;
default:
ulTimeOut = m_ulServerTimeOut * MILLISECS_PER_SECOND;
break;
}
}
if (elapsed > ulTimeOut)
{
bTimedOut = TRUE;
}
return bTimedOut;
}
HX_RESULT
HXNetSource::HandleRetry(char* pszHost, UINT16 ulPort)
{
HX_RESULT theErr = HXR_OK;
if (!pszHost)
{
theErr = HXR_FAILED;
goto cleanup;
}
HX_VECTOR_DELETE(m_pHost);
m_pHost = new char[strlen(pszHost) + 1];
strcpy(m_pHost, pszHost); /* Flawfinder: ignore */
m_uPort = ulPort;
cleanup:
return theErr;
}
HX_RESULT
HXNetSource::SetRedirectURL(char* pHost, UINT16 nPort, char* pPath, CHXURL* pURL)
{
HX_RESULT theErr = HXR_OK;
if (!pHost || !pPath || !pURL)
{
theErr = HXR_FAILED;
goto cleanup;
}
#if defined(HELIX_FEATURE_SMARTERNETWORK)
// since we received the redirect request from server,
// report the success of transport
if (m_pPlayer && m_prefTransportState != PTS_READY)
{
HX_ASSERT(m_prefTransportState == PTS_CREATE);
m_prefTransportState = PTS_READY;
m_pPreferredTransport->SetTransport(m_CurrentTransport, m_uCurrCloakedPort);
}
m_pPreferredTransport->RemoveTransportSink(this);
HX_RELEASE(m_pPreferredTransport);
#endif /* HELIX_FEATURE_SMARTERNETWORK */
HX_VECTOR_DELETE(m_pszRedirectServer);
HX_VECTOR_DELETE(m_pszRedirectResource);
HX_VECTOR_DELETE(m_pszRedirectURL);
HX_DELETE(m_pRedirectURL);
m_pszRedirectServer = new char[strlen(pHost) + 1];
strcpy(m_pszRedirectServer, pHost); /* Flawfinder: ignore */
m_pszRedirectResource = new char[strlen(pPath) + 1];
strcpy(m_pszRedirectResource, pPath); /* Flawfinder: ignore */
m_ulRedirectServerPort = nPort;
m_pszRedirectURL = new char[strlen(pHost) + strlen(pPath) + 32];
if (m_bRTSPProtocol)
{
SafeSprintf(m_pszRedirectURL, strlen(pHost) + strlen(pPath) + 32, "rtsp://%s:%u/%s", pHost, nPort, pPath); /* Flawfinder: ignore */
}
else
{
SafeSprintf(m_pszRedirectURL, strlen(pHost) + strlen(pPath) + 32, "pnm://%s:%u/%s", pHost, nPort, pPath); /* Flawfinder: ignore */
}
// we may use pURL to support different protocol in RTSP redirect
// instead of contruct m_pszRedirectURL and always assume it's RTSP
m_pRedirectURL = new CHXURL(m_pszRedirectURL);
cleanup:
return theErr;
}
HX_RESULT
HXNetSource::SetReconnectInfo(IHXValues* pValues)
{
HX_RESULT rc = HXR_OK;
UINT32 ulValue = 0;
IHXBuffer* pServer = NULL;
if (HXR_OK == pValues->GetPropertyULONG32("Reconnect", ulValue) &&
0 == ulValue)
{
HX_VECTOR_DELETE(m_pszReconnectServer);
HX_VECTOR_DELETE(m_pszReconnectProxy);
HX_VECTOR_DELETE(m_pszReconnectURL);
m_bAttemptReconnect = FALSE;
goto cleanup;
}
m_bAttemptReconnect = TRUE;
if (HXR_OK == pValues->GetPropertyCString("Alternate-Server", pServer))
{
HX_VECTOR_DELETE(m_pszReconnectServer);
HX_VECTOR_DELETE(m_pszReconnectURL);
m_pszReconnectServer = new char[pServer->GetSize() + 1];
::strcpy(m_pszReconnectServer, (const char*)pServer->GetBuffer()); /* Flawfinder: ignore */
pValues->GetPropertyULONG32("Alternate-ServerPort", m_ulReconnectServerPort);
m_pszReconnectURL = new char[pServer->GetSize() + strlen(m_pResource) + 32];
if (m_bRTSPProtocol)
{
SafeSprintf(m_pszReconnectURL,pServer->GetSize() + strlen(m_pResource) + 32, "rtsp://%s:%u/%s", pServer->GetBuffer(), m_ulReconnectServerPort, m_pResource); /* Flawfinder: ignore */
}
else
{
SafeSprintf(m_pszReconnectURL, pServer->GetSize() + strlen(m_pResource) + 32, "pnm://%s:%u/%s", pServer->GetBuffer(), m_ulReconnectServerPort, m_pResource); /* Flawfinder: ignore */
}
}
HX_RELEASE(pServer);
if (HXR_OK == pValues->GetPropertyCString("Alternate-Proxy", pServer))
{
HX_VECTOR_DELETE(m_pszReconnectProxy);
m_pszReconnectProxy = new char[pServer->GetSize() + 1];
::strcpy(m_pszReconnectProxy, (const char*)pServer->GetBuffer()); /* Flawfinder: ignore */
pValues->GetPropertyULONG32("Alternate-ProxyPort", m_ulReconnectProxyPort);
}
HX_RELEASE(pServer);
cleanup:
return rc;
}
void
HXNetSource::StartDataWait(BOOL bConnectionWait)
{
m_ulStartDataWait = HX_GET_TICKCOUNT();
m_bDataWaitStarted = TRUE;
m_bConnectionWait = bConnectionWait;
m_turboPlayStats.bBufferDone = FALSE;
}
void
HXNetSource::StopDataWait()
{
m_ulStartDataWait = 0;
m_bDataWaitStarted = FALSE;
}
HX_RESULT
HXNetSource::FileHeaderReady(IHXValues* pHeader)
{
HX_RELEASE(m_pFileHeader);
m_pFileHeader = pHeader;
m_pFileHeader->AddRef();
#if defined(HELIX_FEATURE_RECORDCONTROL)
SendHeaderToRecordControl(TRUE, pHeader);
#endif /* HELIX_FEATURE_RECORDCONTROL */
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
if (!pHeader || !m_pStats || m_bInRetryMode)
#else
if (!pHeader || m_bInRetryMode)
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
{
return HXR_OK;
}
HX_RESULT retVal = PreFileHeaderReadyExt(pHeader);
if (retVal == HXR_REQUEST_UPGRADE)
{
mLastError = retVal;
return HXR_OK;
}
else if (retVal == HXR_WOULD_BLOCK)
{
return HXR_OK;
}
m_bContinueWithHeaders = FALSE;
ProcessFileHeader();
UINT32 ulNoLatency = 0;
if (pHeader->GetPropertyULONG32("MinimizeLatency", ulNoLatency) == HXR_OK)
{
m_bNoLatency = (ulNoLatency == 1);
}
// "MinimizeLatency" in player's preference
// can overwrite the one in file header
ReadPrefBOOL(m_pPreferences, "MinimizeLatency", m_bNoLatency);
PostFileHeaderReadyExt();
return HXR_OK;
}
HX_RESULT
HXNetSource::PreFileHeaderReadyExt(IHXValues* pHeader)
{
return HXR_OK;
}
HX_RESULT
HXNetSource::PostFileHeaderReadyExt(void)
{
return HXR_OK;
}
HX_RESULT
HXNetSource::TACInfoFromHeader(IHXValues* pValues)
{
// remove this method
return HXR_OK;
}
HX_RESULT
HXNetSource::HeaderCallback(IHXValues* theHeader)
{
HX_RESULT theErr = HXR_OK;
STREAM_INFO* pStreamInfo = NULL;
#if defined(HELIX_FEATURE_RECORDCONTROL)
SendHeaderToRecordControl(FALSE, theHeader);
#endif /* HELIX_FEATURE_RECORDCONTROL */
if (m_bInRetryMode)
{
return HXR_OK;
}
theErr = PreHeaderCallbackExt(theHeader);
if (HXR_ABORT == theErr)
{
return HXR_OK;
}
// we do not support receving headers once we have started getting data.
if (m_bReceivedData)
{
return HXR_FAILED; // define some more appropriate error code.
}
if (!theHeader)
{
return HX_INVALID_HEADER;
}
PostHeaderCallbackExt(theHeader);
theErr = ProcessStreamHeaders(theHeader, pStreamInfo);
if (HXR_OK == theErr)
{
HX_ASSERT(pStreamInfo);
IHXBuffer* pMimeType = NULL;
if (HXR_OK == pStreamInfo->m_pHeader->GetPropertyCString("MimeType", pMimeType))
{
if (strcmp((char*)pMimeType->GetBuffer(), REALAUDIO_MIME_TYPE) == 0 ||
strcmp((char*)pMimeType->GetBuffer(), REALAUDIO_MULTIRATE_MIME_TYPE) == 0 ||
strcmp((char*)pMimeType->GetBuffer(), REALAUDIO_MULTIRATE_LIVE_MIME_TYPE) == 0)
{
m_lRAStreamNumber = pStreamInfo->m_uStreamNumber;
}
HX_RELEASE(pMimeType);
}
m_ulStreamIndex++;
m_uNumStreams++;
}
return theErr;
}
HX_RESULT
HXNetSource::PreHeaderCallbackExt(IHXValues* theHeader)
{
return HXR_OK;
}
HX_RESULT
HXNetSource::PostHeaderCallbackExt(IHXValues* theHeader)
{
return HXR_OK;
}
BOOL HXNetSource::CanSendToDataCallback(IHXPacket* packet) const
{
BOOL bRet = FALSE;
// We send normal data packets and dropped packets to
// DataCallback()
if (packet &&
(!packet->IsLost() || (packet->GetASMFlags() & HX_ASM_DROPPED_PKT)))
{
bRet = TRUE;
}
return bRet;
}
HX_RESULT
HXNetSource::DataCallback(IHXPacket* pPacket)
{
HX_TRACE("HXNetSource::DataCallback");
HX_RESULT theErr = HXR_OK;
STREAM_INFO* pStreamInfo = NULL;
IHXBuffer* pValue = NULL;
if (!m_bInitialized)
{
return HXR_NOT_INITIALIZED;
}
// make sure data is valid...
if (!pPacket)
{
return HXR_INVALID_PARAMETER; // HX_INVALID_DATA;
}
if (!mStreamInfoTable->Lookup(pPacket->GetStreamNumber(), (void*&)pStreamInfo))
{
return HXR_INVALID_PARAMETER;
}
if (!CanSendToDataCallback(pPacket))
{
return HXR_OK;
}
// If this is the first time we received data,
// then remember the time so we can report it...
if (!m_bReceivedData)
{
m_bReceivedData = TRUE;
m_bSeekPending = FALSE;
FirstDataArrives();
if (mLiveStream || m_bRestrictedLiveStream)
{
m_ulFirstPacketTime = pPacket->GetTime();
if (m_bRestrictedLiveStream)
{
m_llLastExpectedPacketTime = CAST_TO_INT64 pPacket->GetTime() + CAST_TO_INT64 m_ulEndTime;
}
}
}
m_pBufferManager->UpdateCounters(pPacket);
return theErr;
}
void
HXNetSource::Initialize()
{
if (!m_bInitialized)
{
_Initialize();
}
}
ULONG32
HXNetSource::GetCurrentPlayTime(void)
{
if (m_pPlayer)
{
return m_pPlayer->GetInternalCurrentPlayTime();
}
else
{
return 0;
}
}
void
HXNetSource::FirstDataArrives()
{
IHXBuffer* pValue = NULL;
m_bAltURL = FALSE;
/* calculate elapsed time taking into consideration overflow...*/
m_ulFirstDataArrives = CALCULATE_ELAPSED_TICKS(m_ulStartDataWait,
HX_GET_TICKCOUNT());
}
HX_RESULT
HXNetSource::SetCookie(IHXBuffer* pCookie)
{
HX_RESULT hr = HXR_OK;
if (!m_pCookies)
{
hr = HXR_FAILED;
goto cleanup;
}
hr = m_pCookies->SetCookies(m_pHost, m_pPath, pCookie);
cleanup:
return hr;
}
HX_RESULT
HXNetSource::SetOption(UINT16 option, void* data)
{
HX_TRACE("HXNetSource::SetOption");
HX_RESULT theErr = HXR_OK;
UINT32 ulMaxBandwidth = 0;
BOOL bTurboPlay = FALSE;
switch (option)
{
case HX_PERFECTPLAY_SUPPORTED:
{
BOOL bServerHasPerfectPlay = TRUE;
::memcpy(&bServerHasPerfectPlay,data,sizeof(BOOL)); /* Flawfinder: ignore */
m_bServerHasPerfectPlay |= bServerHasPerfectPlay;
}
break;
case HX_RESEND_SUPPORTED:
// ::memcpy(&m_bServerHasResend,data,sizeof(BOOL));
break;
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
case HX_STATS_MASK:
::memcpy(&m_ulSendStatsMask,data,sizeof(ULONG32)); /* Flawfinder: ignore */
if (m_ulSendStatsMask > MAX_STATS_MASK)
m_ulSendStatsMask = MAX_STATS_MASK;
break;
case HX_STATS_INTERVAL:
{
UINT32 ulStatsInterval = 0;
::memcpy(&ulStatsInterval,data,sizeof(ULONG32)); /* Flawfinder: ignore */
// did it change. if so, re-schedule
if (ulStatsInterval != m_ulStatsInterval)
{
m_ulStatsInterval = ulStatsInterval;
if (m_pStatsCallback)
{
// disable Stats report if m_ulStatsInterval is set to 0
if (m_ulStatsInterval == 0)
{
m_pStatsCallback->CancelCallback();
}
else if (!m_pStatsCallback->IsPaused())
{
m_pStatsCallback->ScheduleCallback(m_ulStatsInterval);
}
}
}
}
break;
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
case HX_TRANSPORTSWITCHING_SUPPORTED:
::memcpy(&m_bServerHasTransportSwitching,data,sizeof(BOOL)); /* Flawfinder: ignore */
break;
case HX_FORCE_PERFECT_PLAY:
// the server is forcing us into perfect play mode
::memcpy(&m_bForcePerfectPlay,data,sizeof(BOOL)); /* Flawfinder: ignore */
if(m_bForcePerfectPlay)
{
m_bPerfectPlay = TRUE;
/* If the server is forcing us into PerfectPlay, it means
* it does allow it AND the clip is perfectPlay-able.
*/
m_bPerfectPlayAllowed = TRUE;
m_bServerHasPerfectPlay = TRUE;
WritePerfectPlayToRegistry();
if(m_pProto)
{
m_pProto->set_transport(TCPMode, m_ulTransportPrefMask);
m_pProto->set_perfect_play(m_bPerfectPlay);
}
}
break;
case HX_SELECTIVE_RECORD_SUPPORTED:
::memcpy(&mServerSelRecordSupport,data,sizeof(BOOL)); /* Flawfinder: ignore */
break;
case HX_GENERIC_MESSAGE_SUPPORT:
/* RV client/server does not use it curently */
break;
case HX_INTERFRAME_CONTROL_SUPPORT:
::memcpy(&mInterframeControlSupport,data,sizeof(BOOL)); /* Flawfinder: ignore */
break;
case HX_BANDWIDTH_REPORT_SUPPORT:
::memcpy(&mServerHasBandwidthReport,data,sizeof(BOOL)); /* Flawfinder: ignore */
break;
case HX_FRAME_CONTROL_SUPPORT:
::memcpy(&mServerHasFrameControl,data,sizeof(BOOL)); /* Flawfinder: ignore */
break;
case HX_MAX_BANDWIDTH:
::memcpy(&ulMaxBandwidth,data,sizeof(UINT32)); /* Flawfinder: ignore */
if (ulMaxBandwidth == 0)
{
m_serverTurboPlay = TURBO_PLAY_OFF;
}
else
{
m_ulMaxBandwidth = ulMaxBandwidth;
}
break;
case HX_TURBO_PLAY:
::memcpy(&bTurboPlay,data,sizeof(BOOL)); /* Flawfinder: ignore */
if (bTurboPlay)
{
m_serverTurboPlay = TURBO_PLAY_ON;
}
else
{
m_serverTurboPlay = TURBO_PLAY_OFF;
}
break;
default:
theErr = HXR_INVALID_PARAMETER; //HX_INVALID_OPTION;
break;
}
return theErr;
}
HX_RESULT
HXNetSource::TransportStarted(TransportMode mode)
{
HX_RESULT rc = HXR_OK;
#if defined(HELIX_FEATURE_SMARTERNETWORK)
if (m_pPreferredTransport && m_pPreferredTransport->ValidateTransport(mode))
{
set_transport(mode);
}
else
{
rc = HXR_BAD_TRANSPORT;
ReportError(rc);
}
#endif /* HELIX_FEATURE_SMARTERNETWORK */
return rc;
}
HX_RESULT
HXNetSource::switch_out_of_perfectplay()
{
// Turn off perfect play mode.
m_bPerfectPlay = FALSE;
// Reset "transport" selection...
m_CurrentTransport = UnknownMode;
// Reconnect...
return handleTransportSwitch();
}
HX_RESULT
HXNetSource::handleTransportSwitch()
{
HX_RESULT rc = HXR_OK;
#ifdef _MACINTOSH
BOOL bAtInterrupt = FALSE;
IHXInterruptState* pInterruptState = NULL;
if (m_pEngine &&
m_pEngine->QueryInterface(IID_IHXInterruptState, (void**) &pInterruptState) == HXR_OK)
{
bAtInterrupt = pInterruptState->AtInterruptTime();
HX_RELEASE(pInterruptState);
}
if (bAtInterrupt)
{
m_bBruteForceConnectToBeDone = TRUE;
HX_ASSERT(m_pSourceInfo);
if (m_pSourceInfo)
{
m_pSourceInfo->ScheduleProcessCallback();
}
return HXR_OK;
}
#endif
Reset();
HX_VECTOR_DELETE(m_pszRedirectServer);
HX_VECTOR_DELETE(m_pszRedirectResource);
HX_VECTOR_DELETE(m_pszRedirectURL);
HX_VECTOR_DELETE(m_pszReconnectServer);
HX_VECTOR_DELETE(m_pszReconnectURL);
// have we already received the headers
if (mStreamInfoTable->GetCount() > 0)
{
m_bInRetryMode = TRUE;
}
m_bBruteForceReconnected = TRUE;
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)TransportSwitch %s", this, m_pszURL));
rc = Setup(m_pHost, m_pResource, m_uPort,
m_bLossCorrection, m_pURL, m_bAltURL);
return rc;
}
HX_RESULT
HXNetSource::handleProxySwitch(HX_RESULT inError)
{
#if defined(HELIX_FEATURE_PAC)
HX_RESULT rc = HXR_FAILED;
if (m_pPACInfoList && m_pPACInfoList->GetCount() && m_PACInfoPosition)
{
Reset();
m_bUseProxy = FALSE;
HX_VECTOR_DELETE(m_pProxy);
m_bBruteForceReconnected = TRUE;
rc = Setup(m_pHost, m_pResource, m_uPort, m_bLossCorrection, m_pURL, m_bAltURL);
}
if (HXR_OK != rc)
{
rc = inError;
}
return rc;
#else
return HXR_NOTIMPL;
#endif /* HELIX_FEATURE_PAC */
}
HX_RESULT
HXNetSource::handleRedirect()
{
HX_RESULT rc = HXR_OK;
if (!m_pszRedirectURL)
{
rc = HXR_FAILED;
goto cleanup;
}
Reset();
m_ulDuration = 0;
m_ulPreRollInMs = 0;
m_ulPreRoll = 0;
m_ulAvgBandwidth = 0;
m_ulLastBufferingCalcTime = 0;
m_bRARVSource = FALSE;
m_bRARVSourceVerified = FALSE;
// remove obsolete reconnect information
HX_VECTOR_DELETE(m_pszReconnectServer);
HX_VECTOR_DELETE(m_pszReconnectProxy);
HX_VECTOR_DELETE(m_pszReconnectURL);
// have we already received the headers
if (mStreamInfoTable->GetCount() > 0)
{
m_bInRetryMode = TRUE;
}
m_bBruteForceReconnected = TRUE;
if (strcasecmp(m_pszRedirectServer, m_pHost) != 0)
{
while (m_pPACInfoList && m_pPACInfoList->GetCount())
{
PACInfo* pPACInfo = (PACInfo*)m_pPACInfoList->RemoveHead();
HX_DELETE(pPACInfo);
}
#if defined(HELIX_FEATURE_SMARTERNETWORK)
if (m_pPreferredTransport)
{
m_pPreferredTransport->RemoveTransportSink(this);
HX_RELEASE(m_pPreferredTransport);
}
#endif /* HELIX_FEATURE_SMARTERNETWORK */
}
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)Redirect %s", this, m_pszRedirectURL));
rc = Setup(m_pszRedirectServer, m_pszRedirectResource, (UINT16)m_ulRedirectServerPort,
m_bLossCorrection, m_pRedirectURL, m_bAltURL);
cleanup:
HX_VECTOR_DELETE(m_pszRedirectServer);
HX_VECTOR_DELETE(m_pszRedirectResource);
HX_VECTOR_DELETE(m_pszRedirectURL);
return rc;
}
HX_RESULT
HXNetSource::handleReconnect()
{
HX_RESULT rc = HXR_OK;
Reset();
HX_VECTOR_DELETE(m_pszRedirectServer);
HX_VECTOR_DELETE(m_pszRedirectResource);
HX_VECTOR_DELETE(m_pszRedirectURL);
// have we already received the headers
if (mStreamInfoTable->GetCount() > 0)
{
m_bInRetryMode = TRUE;
}
m_bBruteForceReconnected = TRUE;
if (m_pszReconnectURL)
{
while (m_pPACInfoList && m_pPACInfoList->GetCount())
{
PACInfo* pPACInfo = (PACInfo*)m_pPACInfoList->RemoveHead();
HX_DELETE(pPACInfo);
}
#if defined(HELIX_FEATURE_SMARTERNETWORK)
if (m_pPreferredTransport && strcasecmp(m_pszReconnectServer, m_pHost) != 0)
{
m_pPreferredTransport->RemoveTransportSink(this);
HX_RELEASE(m_pPreferredTransport);
}
#endif /* HELIX_FEATURE_SMARTERNETWORK */
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)Reconnect %s", this, m_pszReconnectURL));
CHXURL obj(m_pszReconnectURL);
rc = Setup(m_pszReconnectServer, m_pResource, (UINT16)m_ulReconnectServerPort,
m_bLossCorrection, &obj, m_bAltURL);
}
else
{
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)Reconnect %s", this, m_pszURL));
rc = Setup(m_pHost, m_pResource, m_uPort,
m_bLossCorrection, m_pURL, m_bAltURL);
}
HX_VECTOR_DELETE(m_pszReconnectServer);
HX_VECTOR_DELETE(m_pszReconnectProxy);
HX_VECTOR_DELETE(m_pszReconnectURL);
return rc;
}
BOOL
HXNetSource::IsNetworkAvailable()
{
#if defined(HELIX_FEATURE_NETCHECK)
CHXNetCheck* pNetCheck = new CHXNetCheck(4000);
BOOL bIsNetAvailable = FALSE;
if(pNetCheck)
{
pNetCheck->AddRef();
if (HXR_OK == pNetCheck->Init((IUnknown*)(IHXPlayer*)m_pPlayer))
{
bIsNetAvailable = pNetCheck->FInternetAvailable(FALSE, m_bUseProxy);
}
}
HX_RELEASE(pNetCheck);
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)IsNetworkAvailable %lu", this, bIsNetAvailable));
return bIsNetAvailable;
#else
return FALSE;
#endif /* HELIX_FEATURE_NETCHECK */
}
HX_RESULT
HXNetSource::AttemptReconnect()
{
HX_RESULT rc = HXR_OK;
BOOL bDoneAtTransport = FALSE;
UINT32 ulCurrentPlayPos = 0;
UINT32 ulPacketsAheadInTime = 0;
UINT32 ulReconnectStartTime = 0;
UINT32 ulLastPacketTime = 0;
UINT32 ulLastEventTime = 0;
UINT32 ulLowestLastEventTime = MAX_UINT32;
INT64 llLowestTimestampAtTransport = 0;
INT64 llHighestTimestampAtTransport = 0;
UINT32 ulNumBytesAtTransport = 0;
STREAM_INFO* pStreamInfo = NULL;
m_state = NETSRC_RECONNECTPENDING;
// caculate how far ahead the packets received at transport
CHXMapLongToObj::Iterator lStreamIterator = mStreamInfoTable->Begin();
for (; lStreamIterator != mStreamInfoTable->End(); ++lStreamIterator)
{
pStreamInfo = (STREAM_INFO*) (*lStreamIterator);
GetCurrentBuffering(pStreamInfo->m_uStreamNumber,
llLowestTimestampAtTransport,
llHighestTimestampAtTransport,
ulNumBytesAtTransport,
bDoneAtTransport);
// in case we have no more packets at transport
// get the last packet time from the saved queue
if (ulNumBytesAtTransport == 0 &&
pStreamInfo->m_pPreReconnectEventList)
{
ulLastPacketTime = *(UINT32*)pStreamInfo->m_pPreReconnectEventList->GetTail();
}
else
{
// XXX HP need to handle timestamp rollover
ulLastPacketTime = INT64_TO_ULONG32(llHighestTimestampAtTransport);
}
ulLastEventTime = AdjustEventTime(pStreamInfo, ulLastPacketTime);
if (ulLastEventTime < ulLowestLastEventTime)
{
ulLowestLastEventTime = ulLastEventTime;
}
}
// if we have received all the packets, we simply set the reconnect pending state without
// schedule/start reconnect since it's not needed if the user let the playback continues
// to the end.
// reconnect will occur if the seek happens afterwards.
if (bDoneAtTransport)
{
return HXR_OK;
}
if(!mLiveStream)
{
// retrieve all the packets at transport layer to the source layer
#if defined(HELIX_FEATURE_RECORDCONTROL)
if(m_bPlayFromRecordControl)
{
m_state = NETSRC_READY;
FillRecordControl();
m_state = NETSRC_RECONNECTPENDING;
}
else
#endif /* HELIX_FEATURE_RECORDCONTROL */
{
CHXMapLongToObj::Iterator lStreamIterator = mStreamInfoTable->Begin();
for (; lStreamIterator != mStreamInfoTable->End(); ++lStreamIterator)
{
CHXEvent* pEvent = NULL;
pStreamInfo = (STREAM_INFO*) (*lStreamIterator);
UINT16 uStreamNumber = pStreamInfo->m_uStreamNumber;
CHXEventList* pEventList = &pStreamInfo->m_EventList;
// in case we reconnect again right after reconnect
// get all the packets from PosReconnectEventList first since they are ahead of
// the packets from protocol
while (pStreamInfo->m_pPosReconnectEventList &&
pStreamInfo->m_pPosReconnectEventList->GetNumEvents())
{
pEvent = (CHXEvent*)pStreamInfo->m_pPosReconnectEventList->RemoveHead();
pEventList->InsertEvent(pEvent);
}
// get all the packets from the protocol
if(m_pProto)
{
while (HXR_OK == m_pProto->GetEvent(uStreamNumber, pEvent))
{
pEventList->InsertEvent(pEvent);
}
}
}
}
Reset();
}
ulCurrentPlayPos = m_pPlayer->GetInternalCurrentPlayTime();
if (ulCurrentPlayPos <= ulLowestLastEventTime)
{
ulPacketsAheadInTime = ulLowestLastEventTime - ulCurrentPlayPos;
if (ulPacketsAheadInTime >= NEW_DEF_SETTINGS_TIMEOUT)
{
ulReconnectStartTime = ulPacketsAheadInTime - NEW_DEF_SETTINGS_TIMEOUT;
if (!m_pReconnectCallback)
{
m_pReconnectCallback = new ReconnectCallback(this);
m_pReconnectCallback->AddRef();
}
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)AttemptReconnect in %lu ms", this, ulReconnectStartTime));
m_pReconnectCallback->ScheduleCallback(ulReconnectStartTime);
return HXR_OK;
}
}
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)AttemptReconnect now", this));
return StartReconnect();
}
HX_RESULT
HXNetSource::StartReconnect()
{
HX_RESULT rc = HXR_OK;
BOOL bFirstEvent = TRUE;
UINT16 uStreamNumber = 0;
UINT32 ulPrevPacketTime = 0;
UINT32 ulLargestGapInPacketTime = 0;
UINT32 ulLastPacketTime = 0;
UINT32 ulLowestLastPacketTime = MAX_UINT32;
UINT32* pPacketTime = NULL;
STREAM_INFO* pStreamInfo = NULL;
CHXEvent* pEvent = NULL;
CHXEventList* pEventList = NULL;
IHXPacket* pPacket = NULL;
CHXSimpleList::Iterator lIter;
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)StartReconnect", this));
// for live source, nothing we can do to archieve seamless user experience like
// the static content does except tearn down the source and start all over with
// new source as if it were a redirect
if (mLiveStream)
{
if (m_pszReconnectURL)
{
rc = m_pSourceInfo->HandleRedirectRequest(m_pszReconnectURL);
}
else
{
rc = m_pSourceInfo->HandleRedirectRequest(m_pszURL);
}
}
else if (NETSRC_RECONNECTPENDING == m_state)
{
// retrieve all the packets at transport layer to the source layer
CHXMapLongToObj::Iterator lStreamIterator = mStreamInfoTable->Begin();
for (; lStreamIterator != mStreamInfoTable->End(); ++lStreamIterator)
{
pStreamInfo = (STREAM_INFO*) (*lStreamIterator);
uStreamNumber = pStreamInfo->m_uStreamNumber;
pEventList = &pStreamInfo->m_EventList;
pStreamInfo->m_bReconnectToBeDone = TRUE;
pStreamInfo->m_ulReconnectOverlappedPackets = 0;
bFirstEvent = TRUE;
if(m_bPlayFromRecordControl)
{
// Now we can get all available events out of RecordControl
// in order to use them for reconnection.
while (TRUE)
{
HX_RESULT nRes = GetEventFromRecordControl(uStreamNumber, pEvent);
if(nRes == HXR_OK)
{
pEventList->InsertEvent(pEvent);
}
if(nRes != HXR_OK && nRes != HXR_WOULD_BLOCK)
break;
}
}
HX_ASSERT(pEventList->GetCount());
// save the prereconnect packet time so that we can
// find the adjointing point after reconnect
lIter = pEventList->Begin();
for (; lIter != pEventList->End(); ++lIter)
{
pEvent = (CHXEvent*) (*lIter);
AddToPreReconnectEventList(pStreamInfo, pEvent);
}
CHXSimpleList* pPreReconnectEventList = pStreamInfo->m_pPreReconnectEventList;
HX_ASSERT(pPreReconnectEventList);
// determine the seek position after reconnect
// enough overlapped packets to ensure searching of adjointing point
// successfully after the reconnect
if (pPreReconnectEventList)
{
CHXSimpleList::Iterator lIterator = pPreReconnectEventList->Begin();
for (; lIterator != pPreReconnectEventList->End(); ++lIterator)
{
UINT32* pPreReconnectEventTime = (UINT32*)(*lIterator);
UpdateReconnectInfo(*pPreReconnectEventTime,
bFirstEvent,
ulPrevPacketTime,
ulLargestGapInPacketTime,
ulLastPacketTime);
}
}
if (ulLastPacketTime < ulLowestLastPacketTime)
{
ulLowestLastPacketTime = ulLastPacketTime;
}
}
if (ulLowestLastPacketTime > ulLargestGapInPacketTime)
{
m_ulSeekPendingTime = ulLowestLastPacketTime - ulLargestGapInPacketTime;
}
else
{
m_ulSeekPendingTime = 0;
}
m_bSeekPending = TRUE;
m_state = NETSRC_RECONNECTSTARTED;
rc = handleReconnect();
}
else if (NETSRC_RECONNECTFORCED == m_state)
{
// we don't need to retrieve the left-over packets if the reconnect
// is forced(i.e. seek)
m_state = NETSRC_RECONNECTSTARTED;
rc = handleReconnect();
}
return rc;
}
HX_RESULT
HXNetSource::ProcessReconnect(STREAM_INFO* pStreamInfo)
{
HX_RESULT rc = HXR_OK;
BOOL bAdjointFound = FALSE;
BOOL bOverlapped = FALSE;
UINT32 ulAdjointTimeFrom = 0;
UINT32 ulAdjointTimeTo = 0;
IHXPacket* pPacket = NULL;
IHXPacket* pNextPacket = NULL;
UINT32* pPreReconnectEventTime = NULL;
UINT32* pPreReconnectNextEventTime = NULL;
CHXEvent* pPosReconnectEvent = NULL;
CHXEvent* pPosReconnectNextEvent = NULL;
CHXSimpleList* pPreReconnectEventList = NULL;
CHXEventList* pPosReconnectEventList = NULL;
LISTPOSITION preReconnectPos = 0;
LISTPOSITION posReconnectPos = 0;
//DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "EnterProcessReconnect %p %lu", this, pStreamInfo->m_uStreamNumber));
if (!pStreamInfo || !pStreamInfo->m_pPosReconnectEventList)
{
rc = HXR_FAILED;
goto cleanup;
}
if(!pStreamInfo->m_pPreReconnectEventList || !pStreamInfo->m_pPreReconnectEventList->GetCount())
{
// We need to use all the packets in pStreamInfo->m_pPosReconnectEventList.
pStreamInfo->m_bReconnectToBeDone = FALSE;
}
pPosReconnectEventList = pStreamInfo->m_pPosReconnectEventList;
posReconnectPos = pPosReconnectEventList->GetHeadPosition();
if (posReconnectPos)
{
pPosReconnectEvent = (CHXEvent*) pPosReconnectEventList->GetAt(posReconnectPos);
while (pPosReconnectEvent && pStreamInfo->m_bReconnectToBeDone)
{
pPosReconnectEventList->GetNext(posReconnectPos);
if (!posReconnectPos)
{
break;
}
pPacket = pPosReconnectEvent->GetPacket();
pPosReconnectNextEvent = (CHXEvent*) pPosReconnectEventList->GetAt(posReconnectPos);
pNextPacket = pPosReconnectNextEvent->GetPacket();
if (pPacket->GetTime() != pNextPacket->GetTime())
{
bAdjointFound = TRUE;
ulAdjointTimeFrom = pPacket->GetTime();
ulAdjointTimeTo = pNextPacket->GetTime();
}
if (bAdjointFound && pStreamInfo->m_pPreReconnectEventList)
{
pPreReconnectEventList = pStreamInfo->m_pPreReconnectEventList;
preReconnectPos = pPreReconnectEventList->GetHeadPosition();
pPreReconnectEventTime = (UINT32*) pPreReconnectEventList->GetAt(preReconnectPos);
while (pPreReconnectEventTime)
{
pPreReconnectEventList->GetNext(preReconnectPos);
if (!preReconnectPos)
{
break;
}
pPreReconnectNextEventTime = (UINT32*) pPreReconnectEventList->GetAt(preReconnectPos);
if (*pPreReconnectEventTime == ulAdjointTimeFrom &&
*pPreReconnectNextEventTime == ulAdjointTimeTo)
{
//{FILE* f1 = ::fopen("c:\temp\reconnect.txt", "a+"); ::fprintf(f1, "ProcessReconnect(succeeded)t%lut%lut%lun", pStreamInfo->m_uStreamNumber, ulAdjointTimeFrom, ulAdjointTimeTo);::fclose(f1);}
pStreamInfo->m_bReconnectToBeDone = FALSE;
break;
}
pPreReconnectEventTime = pPreReconnectNextEventTime;
}
}
pPosReconnectEvent = pPosReconnectNextEvent;
}
}
if (!pStreamInfo->m_bReconnectToBeDone)
{
if (pPreReconnectEventList)
{
pPreReconnectEventList->GetNext(preReconnectPos);
while (preReconnectPos)
{
pStreamInfo->m_ulReconnectOverlappedPackets++;
pPreReconnectEventList->GetNext(preReconnectPos);
}
}
//{FILE* f1 = ::fopen("c:\temp\reconnect.txt", "a+"); ::fprintf(f1, "EventsOverlappedt%lut%lun", pStreamInfo->m_uStreamNumber, pStreamInfo->m_ulReconnectOverlappedPackets);::fclose(f1);}
while (pPosReconnectEventList->GetNumEvents() &&
pStreamInfo->m_ulReconnectOverlappedPackets)
{
pPosReconnectEvent = pPosReconnectEventList->RemoveHead();
if (bOverlapped)
{
pStreamInfo->m_ulReconnectOverlappedPackets--;
}
if (pPosReconnectEvent == pPosReconnectNextEvent)
{
bOverlapped = TRUE;
}
//{FILE* f1 = ::fopen("c:\temp\reconnect.txt", "a+"); ::fprintf(f1, "DeleteEvent(overlapped)t%lut%lun", pStreamInfo->m_uStreamNumber, pPosReconnectEvent->GetPacket()->GetTime());::fclose(f1);}
HX_DELETE(pPosReconnectEvent);
}
EndReconnect();
}
cleanup:
//DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "LeaveProcessReconnect %p %lu %lu", this, pStreamInfo->m_uStreamNumber, pStreamInfo->m_bReconnectToBeDone));
return rc;
}
HX_RESULT
HXNetSource::EndReconnect()
{
HX_RESULT rc = HXR_OK;
BOOL bReconnectToBeDone = FALSE;
STREAM_INFO* pStreamInfo = NULL;
CHXMapLongToObj::Iterator lStreamIterator = mStreamInfoTable->Begin();
for (; lStreamIterator != mStreamInfoTable->End(); ++lStreamIterator)
{
pStreamInfo = (STREAM_INFO*) (*lStreamIterator);
if (pStreamInfo->m_bReconnectToBeDone)
{
bReconnectToBeDone = TRUE;
break;
}
}
if (!bReconnectToBeDone)
{
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)EndReconnect", this));
m_state = NETSRC_READY;
}
return rc;
}
HX_RESULT
HXNetSource::AddToPreReconnectEventList(STREAM_INFO* pStreamInfo, CHXEvent* pEvent)
{
HX_RESULT rc = HXR_OK;
UINT32* pPacketTime = NULL;
CHXSimpleList* pPreReconnectEventList = NULL;
if (!pStreamInfo->m_pPreReconnectEventList)
{
pStreamInfo->m_pPreReconnectEventList = new CHXSimpleList;
}
pPreReconnectEventList = pStreamInfo->m_pPreReconnectEventList;
if (pPreReconnectEventList->GetCount() == 30)
{
pPacketTime = (UINT32*)pPreReconnectEventList->RemoveHead();
HX_DELETE(pPacketTime);
}
if (!pPacketTime)
{
pPacketTime = new UINT32;
}
*pPacketTime = pEvent->GetPacket()->GetTime();
pPreReconnectEventList->AddTail(pPacketTime);
HX_ASSERT(pPreReconnectEventList->GetCount() <= 30);
return rc;
}
void
HXNetSource::UpdateReconnectInfo(UINT32 ulPacketTime,
BOOL& bFirstEvent,
UINT32& ulPrevPacketTime,
UINT32& ulLargestGapInPacketTime,
UINT32& ulLastPacketTime)
{
UINT32 ulGapInPacketTime = 0;
if (bFirstEvent)
{
bFirstEvent = FALSE;
ulPrevPacketTime = 0;
ulLargestGapInPacketTime = 0;
ulLastPacketTime = 0;
}
else
{
HX_ASSERT(ulPacketTime >= ulPrevPacketTime);
ulGapInPacketTime = ulPacketTime - ulPrevPacketTime;
if (ulLargestGapInPacketTime < ulGapInPacketTime)
{
ulLargestGapInPacketTime = ulGapInPacketTime;
}
}
ulPrevPacketTime = ulPacketTime;
if (ulLastPacketTime < ulPacketTime)
{
ulLastPacketTime = ulPacketTime;
}
return;
}
void
HXNetSource::Reset()
{
// Consider the net play object uninitialized.
m_bInitialized = FALSE;
m_bPerfectPlayErrorChecked = FALSE;
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
if (m_pStatsCallback)
{
m_pStatsCallback->CancelCallback();
}
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
// Stop current connection. This will totally disconnect
// from the server, and shut down the communication ports.
// DoCleanup();
// Close down the net connection
HX_RELEASE(m_pProtocolStatus);
/* UnRegister any previously registered source */
if (m_pSourceInfo)
m_pSourceInfo->UnRegister();
if (m_pProto)
{
m_pProto->stop();
HX_RELEASE (m_pProto);
}
// cleanup the log list
if (m_pLogInfoList)
{
while (m_pLogInfoList->GetCount() > 0)
{
char* pszInfo = (char*) m_pLogInfoList->RemoveHead();
delete [] pszInfo;
}
HX_DELETE(m_pLogInfoList);
}
m_ulMaxBandwidth = 4000;
m_bPushDownSet = FALSE;
m_pushDownStatus = PUSHDOWN_NONE;
m_bReceivedData = FALSE;
m_bDataWaitStarted = FALSE;
m_bFirstResume = TRUE;
m_bResendAuthenticationInfo = TRUE;
m_bRTSPRuleFlagWorkAround = FALSE;
m_bNoLatencySet = FALSE;
m_bIsActive = FALSE;
return;
}
void
HXNetSource::ReSetup()
{
HX_RESULT theErr = HXR_OK;
Reset();
mServerSelRecordSupport = FALSE;
mInterframeControlSupport = FALSE;
mServerHasBandwidthReport = FALSE;
mServerHasFrameControl = FALSE;
m_bConnectionWait = FALSE;
m_bUseUDPPort = FALSE;
m_bTimeBased = FALSE;
m_bAtInterrupt = FALSE;
m_bInRetryMode = FALSE;
m_bBruteForceReconnected = FALSE;
m_bBruteForceConnectToBeDone = FALSE;
m_bUserHasCalledResume = FALSE;
m_bUserHasCalledStartInit = FALSE;
m_CurrentTransport = UnknownMode;
m_ulSeekPendingTime = 0;
m_bSeekPending = FALSE;
m_ulStatsInterval = 0;
m_ulSendStatsMask = 0;
#if defined(HELIX_FEATURE_SMIL_REPEAT)
if (m_pSourceInfo)
{
CHXSimpleList* pRepeatList = m_pSourceInfo->m_bLeadingSource?m_pSourceInfo->m_pRepeatList:
m_pSourceInfo->m_pPeerSourceInfo->m_pRepeatList;
if (pRepeatList)
{
RepeatInfo* pRepeatInfo = (RepeatInfo*)pRepeatList->GetAt(m_pSourceInfo->m_curPosition);
m_ulDelay = m_pSourceInfo->m_ulRepeatDelayTimeOffset + pRepeatInfo->ulDelay;
if (m_pSourceInfo->m_bRepeatIndefinite &&
m_pSourceInfo->m_ulMaxDuration &&
m_ulDelay + pRepeatInfo->ulDuration > m_ulOriginalDelay + m_pSourceInfo->m_ulMaxDuration)
{
m_ulRestrictedDuration = m_ulOriginalDelay + m_pSourceInfo->m_ulMaxDuration - m_ulDelay;
}
else
{
m_ulRestrictedDuration = pRepeatInfo->ulDuration;
}
}
}
#endif /* HELIX_FEATURE_SMIL_REPEAT */
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
m_pStats->Reset();
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
m_bReSetup = TRUE;
theErr = Setup(m_pHost, m_pResource, m_uPort, m_bLossCorrection,
m_pURL, m_bAltURL);
return;
}
char*
HXNetSource::GetAltURL(BOOL& bDefault)
{
#if defined(HELIX_FEATURE_ALT_URL)
char* pszAltURL = NULL;
CHXURL* pAltURL = NULL;
UINT16 uHTTPPort = DEF_HTTP_PORT;
UINT32 ulValue = 0;
IHXValues* pProperties = NULL;
if (!m_pURL || m_bInitialized)
{
goto cleanup;
}
pszAltURL = m_pURL->GetAltURL(bDefault);
/* XXX HP we can't simply exempt AltURL if the same port has
been attempted during HTTPCloaking since the same port
failed in HTTPCloaking may works for HTTP streaming
we really need to determine the actual error code of
HTTPCloaking's failure of the port(such as Connection
failure vs bad server which doesn't support HTTPCloaking)
// no attempt on AltURL if HTTPCloaking has failed on
// the same port
if (HTTPCloakMode == m_CurrentTransport)
{
if (!bDefault)
{
pAltURL = new CHXURL(pszAltURL);
pProperties = pAltURL->GetProperties();
if (pProperties &&
HXR_OK == pProperties->GetPropertyULONG32(PROPERTY_PORT, ulValue))
{
uHTTPPort = (UINT16)ulValue;
}
HX_RELEASE(pProperties);
HX_DELETE(pAltURL);
}
if (uHTTPPort == m_uCurrCloakedPort ||
IsInCloakPortList(uHTTPPort))
{
HX_VECTOR_DELETE(pszAltURL);
}
}
*/
cleanup:
return pszAltURL;
#else
return NULL;
#endif /* HELIX_FEATURE_ALT_URL */
}
HX_RESULT
HXNetSource::switch_to_next_transport(HX_RESULT incomingError)
{
HX_RESULT theErr = HXR_OK;
/* Use TCP for PercectPlay for PNA protocol.
* for RTSP, we always use UDP..
* m_bTimeBased is set to TRUE for RTSP protocol
*/
if ((m_bPerfectPlay && !m_bTimeBased) || !m_pPreferredTransport)
{
if (UDPMode == m_CurrentTransport)
{
m_PreferredTransport = TCPMode;
}
else
{
m_PreferredTransport = UnknownMode;
}
}
#if defined(HELIX_FEATURE_SMARTERNETWORK)
else
{
theErr = m_pPreferredTransport->SwitchTransport(incomingError, m_PreferredTransport);
}
#endif /* HELIX_FEATURE_SMARTERNETWORK */
// If there is no new transport, then we are done!
if (HXR_OK != theErr || UnknownMode == m_PreferredTransport)
{
theErr = incomingError;
goto exit;
}
// reset transport state to PTS_CREATE so the PreferredTransport object
// will be notified on the success/failure of this transport switch
m_prefTransportState = PTS_CREATE;
// Actually switch here!
if (m_pProto && m_pProto->can_switch_transport())
{
theErr = m_pProto->switch_transport(m_PreferredTransport);
}
else
{
// Switch transport via brute force, non-optimal manner.
theErr = handleTransportSwitch();
mLastError = theErr;
}
exit:
return theErr;
}
HX_RESULT
HXNetSource::_Initialize(void)
{
HX_RESULT theErr = HXR_OK;
ResetASMSource();
if (m_bInRetryMode)
{
if (m_bBruteForceReconnected)
{
// reset ASMSource
CHXSimpleList::Iterator lIter = m_HXStreamList.Begin();
for (; lIter != m_HXStreamList.End(); ++lIter)
{
HXStream* pStream = (HXStream*) (*lIter);
pStream->ResetASMSource((IHXASMSource*)m_pProto);
}
if (m_pSourceInfo)
{
m_pSourceInfo->ReInitializeStats();
}
if (m_bFastStart)
{
EnterFastStart();
}
}
if (m_bClipTimeAdjusted)
{
m_bInitialized = TRUE;
/* Initial seek if a start time is specified */
if (m_ulStartTime > 0)
{
DoSeek(0);
}
}
}
/* get all the flags */
if (!theErr && m_pProto)
{
m_bPerfectPlayAllowed |= m_pProto->IsPerfectPlayAllowed();
mSaveAsAllowed |= m_pProto->IsSaveAllowed();
WritePerfectPlayToRegistry();
mLiveStream = m_pProto->IsLive();
if (mLiveStream && m_bCustomEndTime)
{
m_bRestrictedLiveStream = TRUE;
}
}
if (m_bInitialized)
{
return HXR_OK;
}
/* calculated weigthed preroll for the source */
if (!m_bTimeBased && m_ulAvgBandwidth > 0)
{
m_ulPreRollInMs = m_ulPreRollInMs / m_ulAvgBandwidth;
}
if (!theErr)
{
m_bInitialized = TRUE;
m_ulOriginalDuration = m_ulDuration;
theErr = AdjustClipTime();
}
m_pBufferManager->Init();
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
/*
* put the protocol and protocol version into the stats so rarenderer
* and any other part of the system that needs to work with old servers
* can know what the version and protocol is.
*/
if (m_pStats != NULL && m_pProto != NULL)
{
m_pStats->m_pProtocolVersion->SetInt(m_pProto->get_protocol_version());
m_pStats->m_pProtocol->SetStr((char*)m_pProto->get_protocol_name());
}
IHXBuffer* pBuffer = NULL;
IHXValues* pResponseHeaders = NULL;
if (HXR_OK == m_pRequest->GetResponseHeaders(pResponseHeaders) &&
pResponseHeaders)
{
if (HXR_OK == pResponseHeaders->GetPropertyCString("Server", pBuffer))
{
if (m_pStats->m_pServerInfo)
{
m_pStats->m_pServerInfo->SetStr((char*)pBuffer->GetBuffer());
}
::GetVersionFromString((char*)pBuffer->GetBuffer(), m_ulServerVersion);
}
HX_RELEASE(pBuffer);
}
HX_RELEASE(pResponseHeaders);
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
return theErr;
}
/*
* IHXRegistryID methods
*/
/************************************************************************
* Method:
* IHXRegistryID::GetID
* Purpose:
* Get registry ID(hash_key) of the objects(player, source and stream)
*
*/
STDMETHODIMP
HXNetSource::GetID(REF(UINT32) /*OUT*/ ulRegistryID)
{
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
(m_pStats)?(ulRegistryID = m_pStats->m_ulRegistryID):(ulRegistryID = 0);
return HXR_OK;
#else
return HXR_NOTIMPL;
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
}
/************************************************************************
* Method:
* IHXInfoLogger::LogInformation
* Purpose:
* Logs any user defined information in form of action and
* associated data.
*/
STDMETHODIMP
HXNetSource::LogInformation(const char* /*IN*/ pAction,
const char* /*IN*/ pData)
{
HX_RESULT hr = HXR_OK;
UINT32 ulTimeSinceStart = 0;
UINT32 ulCurrentPlayPos = 0;
UINT32 ulInfoLen = 0;
// action Name is a must
if (!pAction)
{
return HXR_FAILED;
}
if (!m_pLogInfoList)
{
return HXR_UNEXPECTED;
}
// If we've already reached our limit, don't add any more info.
if (m_ulLogInfoLength > MAX_LOGINFO_LENGTH)
{
return HXR_OK;
}
ulTimeSinceStart = CALCULATE_ELAPSED_TICKS(m_ulSourceStartTime, HX_GET_TICKCOUNT());
// XXXCP: during auto-config there is no m_pPlayer
if (m_pPlayer)
ulCurrentPlayPos = m_pPlayer->GetInternalCurrentPlayTime();
// 10 chars for max UINT32, 1 for |, 1 for last
// additional 1 for
ulInfoLen = 10*2 + 1*3 + 1;
ulInfoLen += strlen(pAction);
ulInfoLen += pData ? (strlen(pData) + 2) : 0; // +2 for ()
char* pszInfo = new char[ulInfoLen];
memset(pszInfo, 0, ulInfoLen);
SafeSprintf(pszInfo, ulInfoLen, "%lu|%lu|%s|", ulTimeSinceStart, ulCurrentPlayPos, pAction); /* Flawfinder: ignore */
if (pData)
{
SafeStrCat(pszInfo, "(", ulInfoLen);
SafeStrCat(pszInfo, pData, ulInfoLen);
SafeStrCat(pszInfo, ")", ulInfoLen);
}
SafeStrCat(pszInfo, ";", ulInfoLen);
m_ulLogInfoLength += strlen(pszInfo);
// append to the list
m_pLogInfoList->AddTail((void*) pszInfo);
// If we just reached our size limit, add "..." to the end
if (m_ulLogInfoLength > MAX_LOGINFO_LENGTH)
{
pszInfo = new char[4];
strcpy(pszInfo, "..."); /* Flawfinder: ignore */
m_pLogInfoList->AddTail((void*) pszInfo);
m_ulLogInfoLength += 4;
}
return hr;
}
/*
* IHXPreferredTransportSink methods
*/
STDMETHODIMP
HXNetSource::TransportSucceeded(TransportMode /* IN */ prefTransportType,
UINT16 /* IN */ uCloakPort)
{
#if defined(HELIX_FEATURE_SMARTERNETWORK)
HX_ASSERT(m_pPreferredTransport);
if (m_prefTransportState == PTS_CREATE)
{
m_prefTransportState = PTS_READY;
m_pPreferredTransport->SetTransport(prefTransportType, uCloakPort);
}
else if (m_prefTransportState == PTS_PENDING)
{
m_prefTransportState = PTS_READY;
HX_ASSERT(m_prefTransportState == m_pPreferredTransport->GetState());
m_pPreferredTransport->GetTransport(m_PreferredTransport,
m_uCurrCloakedPort);
m_state = NETSRC_TRANSPORTREADY;
}
HX_ASSERT(m_prefTransportState == PTS_READY);
#endif /* HELIX_FEATURE_SMARTERNETWORK */
return HXR_OK;
}
STDMETHODIMP
HXNetSource::TransportFailed()
{
return HXR_OK;
}
void
HXNetSource::ReportError(HX_RESULT theErr)
{
if (!mLastError && theErr)
mLastError = theErr;
}
void
HXNetSource::CalculateCurrentBuffering(void)
{
UINT32 ulRemainToBufferInMs = 0;
UINT32 ulRemainToBuffer = 0;
UINT32 ulExcessBufferInMs = 0;
UINT32 ulExcessBuffer = 0;
BOOL bValidInfo = FALSE;
UINT32 ulActualExcessBufferInMs= 0;
UINT32 ulActualExcessBuffer = 0;
m_pBufferManager->GetExcessBufferInfo(ulRemainToBufferInMs,
ulRemainToBuffer,
ulExcessBufferInMs,
ulExcessBuffer,
bValidInfo,
ulActualExcessBufferInMs,
ulActualExcessBuffer);
if (bValidInfo)
{
/* Be conservative in marking pre-buffering done */
if (!m_bIsPreBufferingDone &&
ulRemainToBufferInMs == 0 && ulRemainToBuffer == 0 &&
(ulExcessBuffer > m_ulAvgBandwidth/8 ||
ulExcessBufferInMs > m_ulPreRollInMs))
{
if (m_bDelayed && m_pPlayer)
{
// pause the src if it's not time to play but it's done
// with the pre-fetch
if (m_pSourceInfo)
{
m_pSourceInfo->UnRegister();
}
DoPause();
}
m_bIsPreBufferingDone = TRUE;
}
if (m_pWMBufferCtl)
{
m_pWMBufferCtl->OnBufferReport(ulActualExcessBufferInMs,
ulActualExcessBuffer);
}
}
}
UINT32
HXNetSource::AdjustEventTime(STREAM_INFO* pStreamInfo, UINT32 ulTime)
{
UINT32 ulEventTime = 0;
UINT32 stream_ulPreRoll = 0;
UINT32 ulMinimumTotalPreroll = 0;
INT64 llActualEventTime = 0;
llActualEventTime =
pStreamInfo->BufferingState().CreateINT64Timestamp(ulTime);
llActualEventTime += m_ulDelay;
/* subtract start time from packet time */
if (m_ulStartTime < llActualEventTime)
{
llActualEventTime -= CAST_TO_INT64 m_ulStartTime;
}
else
{
llActualEventTime = 0;
}
if (mLiveStream || m_bRestrictedLiveStream)
{
// validate the timestamp of 1st live packet: the lowest
// in case of out-of-order packets
if (CAST_TO_INT64 m_ulFirstPacketTime > llActualEventTime)
{
m_ulFirstPacketTime = INT64_TO_UINT32(llActualEventTime);
}
ulEventTime = INT64_TO_UINT32(llActualEventTime - m_ulFirstPacketTime);
}
else
{
HX_ASSERT(llActualEventTime < MAX_UINT32);
ulEventTime = INT64_TO_UINT32(llActualEventTime);
}
stream_ulPreRoll = max(pStreamInfo->BufferingState().GetMinPrerollInMs(),1000);
/* This is the time according to the stream...*/
ulEventTime = (ulEventTime > stream_ulPreRoll) ? (ulEventTime - stream_ulPreRoll) : 0;
return ulEventTime;
}
void
HXNetSource::SetEndOfClip(BOOL bForcedEndofClip)
{
m_bForcedSourceEnd = bForcedEndofClip;
if (!m_bSourceEnd)
{
/* Pause the source, if it is not done yet to free up the bandwidth.
* This will happen when there is end /dur times on the url.
*/
if (m_bForcedSourceEnd && !m_bPaused)
{
if(m_pProto)
m_pProto->pause();
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
if (m_pStatsCallback)
{
m_pStatsCallback->PauseCallback();
}
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
}
m_bSourceEnd = TRUE;
m_pBufferManager->Stop();
if (m_pWMBufferCtl)
{
m_pWMBufferCtl->ClearChillState();
}
/* UnRegister any previously registered source */
if (m_pSourceInfo)
m_pSourceInfo->UnRegister();
if (m_pPlayer)
{
m_pPlayer->EndOfSource(this);
}
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
if (m_pStatsCallback)
{
m_pStatsCallback->CancelCallback();
}
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
#if defined(HELIX_FEATURE_RECORDCONTROL)
if (m_pRecordControl)
{
m_pRecordControl->OnEndOfPackets();
}
#endif /* HELIX_FEATURE_RECORDCONTROL*/
}
}
BOOL
HXNetSource::IsSourceDone(void)
{
return m_bSourceEnd;
}
void
HXNetSource::EnterBufferedPlay(void)
{
#if !defined(HELIX_CONFIG_MIN_PCM_PUSHDOWN_BYTES)
if (!m_bBufferedPlay)
{
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s,
"(%p)Enter BufferedPlay", this));
m_bBufferedPlay = TRUE;
if (m_pBufferManager)
{
m_pBufferManager->EnterBufferedPlay();
}
}
#endif // (HELIX_CONFIG_MIN_PCM_PUSHDOWN_BYTES)
}
void
HXNetSource::LeaveBufferedPlay(void)
{
#if !defined(HELIX_CONFIG_MIN_PCM_PUSHDOWN_BYTES)
if (m_bBufferedPlay)
{
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s,
"(%p)Leave BufferedPlay", this));
m_bBufferedPlay = FALSE;
if (m_pBufferManager)
{
m_pBufferManager->LeaveBufferedPlay();
}
}
#endif // (HELIX_CONFIG_MIN_PCM_PUSHDOWN_BYTES)
}
STDMETHODIMP
HXNetSource::GetCurrentBuffering (UINT16 uStreamNumber,
REF(INT64) llLowestTimestamp,
REF(INT64) llHighestTimestamp,
REF(UINT32) ulNumBytes,
REF(BOOL) bDone)
{
llLowestTimestamp = 0;
llHighestTimestamp = 0;
ulNumBytes = 0;
bDone = FALSE;
return m_pProto ? m_pProto->GetCurrentBuffering(uStreamNumber,
llLowestTimestamp,
llHighestTimestamp,
ulNumBytes,
bDone) : HXR_OK;
}
STDMETHODIMP
HXNetSource::GetProxyInfoDone(HX_RESULT status,
char* pszProxyInfo)
{
HX_RESULT rc = HXR_OK;
PACInfo* pPACInfo = NULL;
#if defined(HELIX_FEATURE_PAC)
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)GetProxyInfoDone: %s %lu", this, m_pszURL, status));
if (HXR_OK == status && pszProxyInfo)
{
::ParsePACInfo(pszProxyInfo, m_pPACInfoList);
// at least one PAC entry
HX_ASSERT(m_pPACInfoList && m_pPACInfoList->GetCount());
m_PACInfoPosition = m_pPACInfoList->GetHeadPosition();
pPACInfo = (PACInfo*)m_pPACInfoList->GetNext(m_PACInfoPosition);
if (pPACInfo && pPACInfo->type != PAC_DIRECT)
{
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)PAC: %s %lu", this, pPACInfo->pszHost, pPACInfo->ulPort));
HX_ASSERT(pPACInfo->type == PAC_PROXY);
set_proxy(pPACInfo->pszHost, (UINT16)pPACInfo->ulPort);
}
else if (pPACInfo)
{
DEBUG_OUT(m_pPlayer, DOL_TRANSPORT, (s, "(%p)PAC: DIRECT", this));
}
}
#endif /* HELIX_FEATURE_PAC */
if (m_state == NETSRC_PACPENDING)
{
m_state = NETSRC_PACREADY;
}
return rc;
}
void
HXNetSource::AdjustClipBandwidthStats(BOOL bActivate /* = FALSE */)
{
if (!m_pProto)
{
return;
}
m_bIsActive = bActivate;
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
CHXMapLongToObj::Iterator lStreamIterator = mStreamInfoTable->Begin();
for (; lStreamIterator != mStreamInfoTable->End(); ++lStreamIterator)
{
ULONG32 ulStreamNumber = 0;
STREAM_INFO* pStreamInfo = (STREAM_INFO*) (*lStreamIterator);
STREAM_STATS* pStreamStats = NULL;
if (m_pProto &&
HXR_OK == m_pProto->GetStreamStatistics((ULONG32) pStreamInfo->m_uStreamNumber, &pStreamStats))
{
HX_ASSERT(pStreamStats && pStreamStats->m_bInitialized);
if (!pStreamStats || !pStreamStats->m_bInitialized)
{
continue;
}
// DEBUG_OUT(m_pPlayer, (s, "AdjustClipBandwidthStats: Source: %p Stream=%d On: %d, Bw=%d",
// this, pStreamInfo->m_uStreamNumber, (int) bActivate, (bActivate? pStreamInfo->m_ulAvgBandwidth : 0)));
if (bActivate)
{
pStreamInfo->BufferingState().SetAvgBWToASMBw();
pStreamStats->m_pClipBandwidth->SetInt((INT32)pStreamInfo->BufferingState().AvgBandwidth());
}
else
{
pStreamStats->m_pClipBandwidth->SetInt(0);
}
}
}
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
}
BOOL
HXNetSource::CanBeResumed()
{
BOOL bResult = TRUE;
UINT32 ulCurrentTime = 0;
if (!m_bInitialized ||
!m_pProto ||
!m_pPlayer->IsInitialized() ||
m_bSourceEnd ||
(m_pSourceInfo && !m_pSourceInfo->AreStreamsSetup()))
{
bResult = FALSE;
}
#if defined(HELIX_FEATURE_PREFETCH)
else if (m_bPrefetch)
{
HX_ASSERT(m_pSourceInfo?(m_pPlayer->GetCurrentGroupID() == m_pSourceInfo->m_uGroupID):TRUE);
// m_bDelayed could be turned off by pre-buffering in TryResume()
if (m_bDelayed)
{
ulCurrentTime = m_pPlayer->GetInternalCurrentPlayTime();
if (ulCurrentTime < m_ulPrefetchDelay)
{
bResult = FALSE;
}
}
}
#endif /* HELIX_FEATURE_PREFETCH */
else if ((!m_bIsPreBufferingStarted && m_bDelayed) ||
(m_bIsPreBufferingDone && ((!m_bPaused && !m_bFirstResume) || m_bDelayed)) ||
// if the source is in the current group, don't resume till its renderers
// have been initialized
(m_pSourceInfo && !m_pSourceInfo->IsInitialized() &&
m_pPlayer->GetCurrentGroupID() == m_pSourceInfo->m_uGroupID))
{
bResult = FALSE;
}
return bResult;
}
void
HXNetSource::ResetASMSource(void)
{
HX_RELEASE(m_pBackChannel);
HX_RELEASE(m_pASMSource);
HX_ASSERT(m_pProto);
m_pProto->QueryInterface(IID_IHXBackChannel, (void**) &m_pBackChannel);
m_pProto->QueryInterface(IID_IHXASMSource, (void**) &m_pASMSource);
}
BOOL
HXNetSource::IsInCloakPortList(UINT16 uPort)
{
BOOL bResult = FALSE;
int i = 0;
if (m_pCloakPortList && m_nNumberOfCloakPorts)
{
for (i = 0; i < m_nNumberOfCloakPorts; i++)
{
if (m_pCloakPortList[i] == uPort)
{
bResult = TRUE;
break;
}
}
}
return bResult;
}
void
HXNetSource::SetNoLatency()
{
if (!m_bNoLatencySet && m_bNoLatency)
{
m_bNoLatencySet = TRUE;
IHXResendBufferControl* pResendBufferControl = NULL;
if (m_pProto &&
HXR_OK == m_pProto->QueryInterface(IID_IHXResendBufferControl,
(void**)&pResendBufferControl))
{
pResendBufferControl->SetResendBufferDepth(0);
}
HX_RELEASE(pResendBufferControl);
}
}
BOOL
HXNetSource::IsPlaying()
{
BOOL bIsPlaying = FALSE;
if (m_pPlayer)
{
bIsPlaying = m_pPlayer->IsPlaying();
}
return bIsPlaying;
}
void
HXNetSource::WritePerfectPlayToRegistry()
{
// JEBXXX: write out the perfect play registry item
IHXRegistry* pRegistry = NULL;
if (m_pEngine->QueryInterface(IID_IHXRegistry, (void**)&pRegistry) == HXR_OK)
{
UINT32 ulRegID = 0;
if (HXR_OK == GetID(ulRegID) && ulRegID != 0)
{
IHXBuffer* pBuffer = NULL;
char szRegistryEntry[256]; /* Flawfinder: ignore */
if (HXR_OK == pRegistry->GetPropName(ulRegID, pBuffer))
{
// now build key name
SafeSprintf (szRegistryEntry, 256, "%s.PerfectPlayAllowed", pBuffer->GetBuffer());
// if AddInt fails, set existing value instead
if (HXR_OK != pRegistry->AddInt(szRegistryEntry, (m_bPerfectPlayAllowed ?1 :0)))
{
INT32 val = (m_bPerfectPlayAllowed ?1 :0);
pRegistry->SetIntByName(szRegistryEntry, val);
}
HX_RELEASE(pBuffer);
}
}
HX_RELEASE(pRegistry);
}
}
void
HXNetSource::CreateCloakedPortList()
{
// time to create cloak port list!
if (!m_pCloakPortList)
{
m_pCloakPortList = new UINT16[MAX_CLOAK_PORTS];
IHXValues* pOptions = NULL;
IHXBuffer* pCloakPorts = NULL;
UINT32 ulCloakPort = 0;
BOOL bShouldAddDefaultPort = TRUE;
if (m_pURL)
{
pOptions = m_pURL->GetOptions();
}
if (pOptions)
{
// try the string and then the number!
if (HXR_OK != pOptions->GetPropertyBuffer(CLOAKPORT_URL_OPTION, pCloakPorts))
{
pOptions->GetPropertyULONG32(CLOAKPORT_URL_OPTION, ulCloakPort);
}
}
if (pCloakPorts)
{
char* pPortString = ::new char[pCloakPorts->GetSize() + 1];
::strcpy(pPortString, (const char*) pCloakPorts->GetBuffer()); /* Flawfinder: ignore */
char* pTok = ::strtok(pPortString, ", ");
while (pTok && m_nNumberOfCloakPorts < MAX_CLOAK_PORTS)
{
UINT16 uTmpCloakPort = ::atoi(pTok);
m_pCloakPortList[m_nNumberOfCloakPorts++] = uTmpCloakPort;
if (uTmpCloakPort == m_uPort)
{
bShouldAddDefaultPort = FALSE;
}
pTok = ::strtok(NULL, ", ");
}
HX_VECTOR_DELETE(pPortString);
}
else if (ulCloakPort > 0)
{
m_pCloakPortList[m_nNumberOfCloakPorts++] = (UINT16) ulCloakPort;
if (ulCloakPort == m_uPort)
{
bShouldAddDefaultPort = FALSE;
}
}
if (pCloakPorts || (ulCloakPort > 0))
{
if (bShouldAddDefaultPort && m_nNumberOfCloakPorts < MAX_CLOAK_PORTS)
{
m_pCloakPortList[m_nNumberOfCloakPorts++] = m_uPort;
}
}
else
{
for (UINT16 i = 0; i < MAX_CLOAK_PORTS; i++)
{
// use the port specified in the URL instead of using the
// standard ports!
if ((m_bRTSPProtocol && g_uCloakPorts[i] == 554) ||
(!m_bRTSPProtocol && g_uCloakPorts[i] == 7070))
{
m_pCloakPortList[i] = m_uPort;
}
else
{
m_pCloakPortList[i] = g_uCloakPorts[i];
}
}
m_nNumberOfCloakPorts = MAX_CLOAK_PORTS;
}
HX_RELEASE(pCloakPorts);
HX_RELEASE(pOptions);
HX_ASSERT(m_pCloakPortList && m_nNumberOfCloakPorts > 0);
m_nCurrPortIdx = 0;
m_uCurrCloakedPort = m_pCloakPortList[m_nCurrPortIdx];
}
}
HX_RESULT
HXNetSource::ReportStats()
{
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
HX_ASSERT(m_bSendStatistics && m_pProto);
if (!m_bSendStatistics || !m_pProto)
{
return HXR_OK;
}
m_pProto->send_statistics(m_ulSendStatsMask);
if (m_pStatsCallback && m_ulStatsInterval > 0)
{
m_pStatsCallback->ScheduleCallback(m_ulStatsInterval);
}
return HXR_OK;
#else
return HXR_NOTIMPL;
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
}
HX_RESULT
HXNetSource::FillRecordControl()
{
#if defined(HELIX_FEATURE_RECORDCONTROL)
if(m_state == NETSRC_RECONNECTPENDING)
return HXR_OK;
if(!m_bPlayFromRecordControl || m_bForcedSourceEnd || mLastError)
return HXR_FAILED;
if(!m_pRecordControl->CanAcceptPackets())
return HXR_OK;
// Try to time interleave packets of different stream for better playback performance.
// Using 1 sec as pace for time-interleaving packets of different streams.
BOOL bFillTimeSet = FALSE;
UINT32 nFillTime = 0;
BOOL bHasPackets = TRUE;
while(bHasPackets)
{
bHasPackets = FALSE;
if(bFillTimeSet)
nFillTime += 1000;
for(UINT16 nStream = 0; nStream < m_uNumStreams; nStream++)
{
CHXEvent* pProtocolEvent = NULL;
while(GetEventFromProtocol(nStream, pProtocolEvent) == HXR_OK &&
pProtocolEvent)
{
UINT32 nPacketTime = 0;
IHXPacket* pPacket = pProtocolEvent->GetPacket();
if (pPacket)
{
bHasPackets = TRUE;
m_pRecordControl->OnPacket(pPacket, pProtocolEvent->GetTimeOffset());
nPacketTime = pPacket->GetTime();
}
HX_DELETE(pProtocolEvent);
if(!bFillTimeSet)
{
bFillTimeSet = TRUE;
nFillTime = nPacketTime + 1000;
}
if(nPacketTime >= nFillTime && nPacketTime - nFillTime < MAX_TIMESTAMP_GAP ||
nPacketTime < nFillTime && nFillTime - nPacketTime > MAX_TIMESTAMP_GAP)
break;
}
}
if(!bHasPackets) // No need to go any further.
break;
}
return HXR_OK;
#else
return HXR_NOTIMPL;
#endif /* HELIX_FEATURE_RECORDCONTROL */
}
ReconnectCallback::ReconnectCallback(HXNetSource* pSource,
BOOL bIsStatsCallback /*= FALSE*/) :
m_lRefCount (0)
,m_pSource (pSource)
,m_PendingHandle (0)
,m_pScheduler(0)
,m_ulScheduleTime(0)
,m_ulTimeout(0)
,m_bPaused(FALSE)
,m_bIsStatsReportingCallback(bIsStatsCallback)
{
m_pSource->QueryInterface(IID_IHXScheduler, (void**) &m_pScheduler);
}
ReconnectCallback::~ReconnectCallback()
{
HX_RELEASE(m_pScheduler);
}
/*
* IUnknown methods
*/
/////////////////////////////////////////////////////////////////////////
// Method:
// IUnknown::QueryInterface
// Purpose:
// Implement this to export the interfaces supported by your
// object.
//
STDMETHODIMP ReconnectCallback::QueryInterface(REFIID riid, void** ppvObj)
{
QInterfaceList qiList[] =
{
{ GET_IIDHANDLE(IID_IHXCallback), (IHXCallback*)this },
{ GET_IIDHANDLE(IID_IUnknown), (IUnknown*)(IHXCallback*)this },
};
return ::QIFind(qiList, QILISTSIZE(qiList), riid, ppvObj);
}
/////////////////////////////////////////////////////////////////////////
// Method:
// IUnknown::AddRef
// Purpose:
// Everyone usually implements this the same... feel free to use
// this implementation.
//
STDMETHODIMP_(ULONG32) ReconnectCallback::AddRef()
{
return InterlockedIncrement(&m_lRefCount);
}
/////////////////////////////////////////////////////////////////////////
// Method:
// IUnknown::Release
// Purpose:
// Everyone usually implements this the same... feel free to use
// this implementation.
//
STDMETHODIMP_(ULONG32) ReconnectCallback::Release()
{
if (InterlockedDecrement(&m_lRefCount) > 0)
{
return m_lRefCount;
}
delete this;
return 0;
}
/*
* IHXPlayerCallback methods
*/
STDMETHODIMP ReconnectCallback::Func(void)
{
m_PendingHandle = 0;
if (m_pSource)
{
if (m_bIsStatsReportingCallback)
{
return m_pSource->ReportStats();
}
else
{
return m_pSource->StartReconnect();
}
}
return HXR_OK;
}
HX_RESULT ReconnectCallback::ScheduleCallback(UINT32 ulTimeout)
{
CancelCallback();
m_bPaused = FALSE;
m_ulScheduleTime = HX_GET_TICKCOUNT();
m_ulTimeout = ulTimeout;
m_PendingHandle = m_pScheduler->RelativeEnter(this, m_ulTimeout);
return HXR_OK;
}
HX_RESULT ReconnectCallback::PauseCallback()
{
CancelCallback();
UINT32 ulElapsed = CALCULATE_ELAPSED_TICKS(m_ulScheduleTime, HX_GET_TICKCOUNT());
if (m_ulTimeout > ulElapsed)
{
m_ulTimeout -= ulElapsed;
}
else
{
// must be really close to sending stats, next time we will schedule for 0 timeout
m_ulTimeout = 0;
}
m_bPaused = TRUE;
return HXR_OK;
}
HX_RESULT ReconnectCallback::ResumeCallback()
{
ScheduleCallback(m_ulTimeout);
return HXR_OK;
}
HX_RESULT ReconnectCallback::CancelCallback()
{
m_bPaused = FALSE;
if (m_PendingHandle)
{
m_pScheduler->Remove(m_PendingHandle);
m_PendingHandle = 0;
}
return HXR_OK;
}