コード例 #1
0
void
avtDataObjectSource::CheckAbort(void)
{
    if (abortCallback != NULL)
    {
        if (abortCallback(abortCallbackArgs))
        {
            EXCEPTION0(AbortException);
        }
    }
}
コード例 #2
0
ファイル: avcore2.cpp プロジェクト: bubbletreefrog/DLNA
int SimpleDMR::onAction(const ServiceDecl *serviceDecl, const ActionDecl *actionDecl, AbortableTask *task, const FrontEnd::InterfaceContext *ifctx, const FrontEnd::RequestContext& reqCtx, const NPT_HttpRequest *req, const NPT_List<NPT_String>& inputArgNames, const NPT_List<NPT_String>& inputArgValues, NPT_List<NPT_String>& outputArgValues)
{
	WriteLocker locker(m_stateLock);
	if (NPT_String::Compare(serviceDecl->serviceId, "urn:upnp-org:serviceId:AVTransport") == 0) {

		if (NPT_String::Compare(actionDecl->name, "SetAVTransportURI") == 0) {
			if (inputArgValues.GetItemCount() != 3) {
				// Invalid Args
				return 402;
			}

			if (inputArgValues.GetFirstItem()->Compare("0") != 0) {
				// Invalid InstanceID
				return 718;
			}

			NPT_HttpClient httpClient;
			NPT_HttpRequest req(*inputArgValues.GetItem(1), NPT_HTTP_METHOD_GET, NPT_HTTP_PROTOCOL_1_1);
			Helper::setupHttpRequest(req);
			NPT_HttpResponse *resp;
			NPT_Result nr;
			HttpClientAbortCallback abortCallback(&httpClient);
			if (task->registerAbortCallback(&abortCallback)) {
				nr = httpClient.SendRequest(req, resp);
				task->unregisterAbortCallback(&abortCallback);
			} else {
				return 715;
			}

			if (NPT_FAILED(nr)) {
				return 716;
			}

			PtrHolder<NPT_HttpResponse> resp1(resp);
			if (resp->GetStatusCode() != 200) {
				return 716;
			}

			NPT_HttpHeader *hdrContentType = resp->GetHeaders().GetHeader(NPT_HTTP_HEADER_CONTENT_TYPE);
			if (!hdrContentType) {
				return 714;
			}

			setVar(DMRVAR_AVTransportURI, *inputArgValues.GetItem(1));
			setVar(DMRVAR_AVTransportURIMetaData, *inputArgValues.GetItem(2));
			setVar(DMRVAR_CurrentTrackMetaData, *inputArgValues.GetItem(2));
			m_callback->doDmrOpen(this, *inputArgValues.GetItem(1), hdrContentType->GetValue(), *inputArgValues.GetItem(2));
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "GetMediaInfo") == 0) {
			if (inputArgValues.GetItemCount() != 1) {
				// Invalid Args
				return 402;
			}

			if (inputArgValues.GetFirstItem()->Compare("0") != 0) {
				// Invalid InstanceID
				return 718;
			}

			*outputArgValues.GetItem(0) = m_avtVars[DMRVAR_NumberOfTracks - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(1) = m_avtVars[DMRVAR_CurrentMediaDuration - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(2) = m_avtVars[DMRVAR_AVTransportURI - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(3) = m_avtVars[DMRVAR_AVTransportURIMetaData - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(4) = m_avtVars[DMRVAR_NextAVTransportURI - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(5) = m_avtVars[DMRVAR_NextAVTransportURIMetaData - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(6) = m_avtVars[DMRVAR_PlaybackStorageMedium - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(7) = m_avtVars[DMRVAR_RecordStorageMedium - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(8) = m_avtVars[DMRVAR_RecordMediumWriteStatus - DMRVAR_BaseIndexAVT];
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "GetTransportInfo") == 0) {
			if (inputArgValues.GetItemCount() != 1) {
				// Invalid Args
				return 402;
			}

			if (inputArgValues.GetFirstItem()->Compare("0") != 0) {
				// Invalid InstanceID
				return 718;
			}

			*outputArgValues.GetItem(0) = m_avtVars[DMRVAR_TransportState - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(1) = m_avtVars[DMRVAR_TransportStatus - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(2) = m_avtVars[DMRVAR_TransportPlaySpeed - DMRVAR_BaseIndexAVT];
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "GetPositionInfo") == 0) {
			if (inputArgValues.GetItemCount() != 1) {
				// Invalid Args
				return 402;
			}

			if (inputArgValues.GetFirstItem()->Compare("0") != 0) {
				// Invalid InstanceID
				return 718;
			}

			*outputArgValues.GetItem(0) = m_avtVars[DMRVAR_CurrentTrack - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(1) = m_avtVars[DMRVAR_CurrentTrackDuration - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(2) = m_avtVars[DMRVAR_CurrentTrackMetaData - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(3) = m_avtVars[DMRVAR_CurrentTrackURI - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(4) = m_avtVars[DMRVAR_RelativeTimePosition - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(5) = m_avtVars[DMRVAR_AbsoluteTimePosition - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(6) = m_avtVars[DMRVAR_RelativeCounterPosition - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(7) = m_avtVars[DMRVAR_AbsoluteCounterPosition - DMRVAR_BaseIndexAVT];
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "GetDeviceCapabilities") == 0) {
			if (inputArgValues.GetItemCount() != 1) {
				// Invalid Args
				return 402;
			}

			if (inputArgValues.GetFirstItem()->Compare("0") != 0) {
				// Invalid InstanceID
				return 718;
			}

			*outputArgValues.GetItem(0) = m_avtVars[DMRVAR_PossiblePlaybackStorageMedia - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(1) = m_avtVars[DMRVAR_PossibleRecordStorageMedia - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(2) = m_avtVars[DMRVAR_PossibleRecordQualityModes - DMRVAR_BaseIndexAVT];
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "GetTransportSettings") == 0) {
			if (inputArgValues.GetItemCount() != 1) {
				// Invalid Args
				return 402;
			}

			if (inputArgValues.GetFirstItem()->Compare("0") != 0) {
				// Invalid InstanceID
				return 718;
			}

			*outputArgValues.GetItem(0) = m_avtVars[DMRVAR_CurrentPlayMode - DMRVAR_BaseIndexAVT];
			*outputArgValues.GetItem(1) = m_avtVars[DMRVAR_CurrentRecordQualityMode - DMRVAR_BaseIndexAVT];
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "Stop") == 0) {
			m_callback->doDmrStop(this);
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "Play") == 0) {
			m_callback->doDmrPlay(this);
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "Pause") == 0) {
			m_callback->doDmrPause(this);
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "Seek") == 0) {
			if (inputArgValues.GetItemCount() != 3) {
				// Invalid Args
				return 402;
			}

			if (inputArgValues.GetFirstItem()->Compare("0") != 0) {
				// Invalid InstanceID
				return 718;
			}

			const NPT_String& seekMode = *inputArgValues.GetItem(1);
			const NPT_String& seekTarget = *inputArgValues.GetItem(2);
			if (seekMode.Compare("TRACK_NR") == 0) {
				// TODO:
			} else if (seekMode.Compare("REL_TIME") == 0) {
				NPT_UInt64 pos;
				if (NPT_FAILED(Helper::parseTrackDurationString(seekTarget, pos))) {
					// Illegal seek target
					return 711;
				}
				m_callback->doDmrSeekTo(this, pos);
			} else {
				// Seek mode not supported
				return 710;
			}

			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "Next") == 0) {
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "Previous") == 0) {
			return 0;
		}

		return 602;
	}

	if (NPT_String::Compare(serviceDecl->serviceId, "urn:upnp-org:serviceId:RenderingControl") == 0) {

		if (NPT_String::Compare(actionDecl->name, "ListPresets") == 0) {
			if (inputArgValues.GetItemCount() != 1) {
				// Invalid Args
				return 402;
			}

			if (inputArgValues.GetFirstItem()->Compare("0") != 0) {
				// Invalid InstanceID
				return 702;
			}

			*outputArgValues.GetItem(0) = m_rcsVars[DMRVAR_PresetNameList - DMRVAR_BaseIndexRCS];
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "SelectPreset") == 0) {
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "GetMute") == 0) {
			if (inputArgValues.GetItemCount() != 2) {
				// Invalid Args
				return 402;
			}

			if (inputArgValues.GetFirstItem()->Compare("0") != 0) {
				// Invalid InstanceID
				return 702;
			}

			*outputArgValues.GetItem(0) = m_rcsVars[DMRVAR_Mute - DMRVAR_BaseIndexRCS];
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "SetMute") == 0) {
			if (inputArgValues.GetItemCount() != 3) {
				// Invalid Args
				return 402;
			}

			if (inputArgValues.GetFirstItem()->Compare("0") != 0) {
				// Invalid InstanceID
				return 702;
			}

			const NPT_String& desiredMute = *inputArgValues.GetItem(2);
			m_callback->doDmrSetMute(this, desiredMute.Compare("true", true) == 0 || desiredMute.Compare("1") == 0);
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "GetVolume") == 0) {
			if (inputArgValues.GetItemCount() != 2) {
				// Invalid Args
				return 402;
			}

			if (inputArgValues.GetFirstItem()->Compare("0") != 0) {
				// Invalid InstanceID
				return 702;
			}

			*outputArgValues.GetItem(0) = m_rcsVars[DMRVAR_Volume - DMRVAR_BaseIndexRCS];
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "SetVolume") == 0) {
			if (inputArgValues.GetItemCount() != 3) {
				// Invalid Args
				return 402;
			}

			if (inputArgValues.GetFirstItem()->Compare("0") != 0) {
				// Invalid InstanceID
				return 702;
			}

			const NPT_String& desiredVolume = *inputArgValues.GetItem(2);
			int volume;
			if (NPT_FAILED(NPT_ParseInteger(desiredVolume, volume))) {
				// Invalid Args
				return 402;
			}
			m_callback->doDmrSetVolume(this, volume);
			return 0;
		}

		return 602;
	}

	if (NPT_String::Compare(serviceDecl->serviceId, "urn:upnp-org:serviceId:ConnectionManager") == 0) {

		if (NPT_String::Compare(actionDecl->name, "GetProtocolInfo") == 0) {
			NPT_String v;
			if (getStateValue(serviceDecl->serviceId, "SourceProtocolInfo", v)) {
				*outputArgValues.GetItem(0) = v;
			}

			if (getStateValue(serviceDecl->serviceId, "SinkProtocolInfo", v)) {
				*outputArgValues.GetItem(1) = v;
			}
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "GetCurrentConnectionIDs") == 0) {
			NPT_String v;
			if (getStateValue(serviceDecl->serviceId, "SourceProtocolInfo", v)) {
				*outputArgValues.GetItem(0) = v;
			}
			return 0;
		}

		if (NPT_String::Compare(actionDecl->name, "GetCurrentConnectionInfo") == 0) {
			*outputArgValues.GetItem(0) = "0";
			*outputArgValues.GetItem(1) = "0";
			*outputArgValues.GetItem(2) = "";
			*outputArgValues.GetItem(3) = "";
			*outputArgValues.GetItem(4) = "-1";
			*outputArgValues.GetItem(5) = "Input"; // or "Output"? WTF!
			*outputArgValues.GetItem(6) = "OK";
			return 0;
		}

		return 602;
	}

	return 501;
}
コード例 #3
0
ファイル: DJMediaStore.cpp プロジェクト: bubbletreefrog/DLNA
void serveFile2(AbortableTask *task, const NPT_String& filePath, const NPT_String& mimeType, const FrontEnd::RequestContext& reqCtx, const NPT_HttpRequest *req, NPT_HttpResponse& resp, HttpOutput *httpOutput)
{
#if 1
	NPT_File f(filePath);
	NPT_FileInfo fileInfo;
	if (NPT_FAILED(f.GetInfo(fileInfo)) || fileInfo.m_Type != NPT_FileInfo::FILE_TYPE_REGULAR || NPT_FAILED(f.Open(NPT_FILE_OPEN_MODE_READ))) {
		setStatusCode(resp, 404);
		httpOutput->writeResponseHeader(resp);
		return;
	}

	NPT_InputStreamReference fileInput;
	f.GetInputStream(fileInput);
	serveStream(task, fileInput.AsPointer(), fileInfo.m_ModificationTime, mimeType, reqCtx, req, resp, httpOutput);
#else
	bool isGetMethod = req->GetMethod().Compare("GET") == 0;
	bool isHeadMethod = req->GetMethod().Compare("HEAD") == 0;
	if (isGetMethod || isHeadMethod) {
		NPT_Result nr;
		NPT_File f(filePath);
		NPT_FileInfo fileInfo;
		if (NPT_FAILED(f.GetInfo(fileInfo)) || fileInfo.m_Type != NPT_FileInfo::FILE_TYPE_REGULAR || NPT_FAILED(f.Open(NPT_FILE_OPEN_MODE_READ))) {
			setStatusCode(resp, 404);
			httpOutput->writeResponseHeader(resp);
			return;
		}

		NPT_InputStreamReference fileInput;
		f.GetInputStream(fileInput);

		NPT_UInt64 offset, length;

		NPT_HttpHeader *hdrRange = req->GetHeaders().GetHeader("RANGE");
		if (hdrRange) {
			if (!parseRangeHeader(hdrRange->GetValue(), fileInfo.m_Size, offset, length)) {
				setStatusCode(resp, 416);
				httpOutput->writeResponseHeader(resp);
				return;
			}
			setStatusCode(resp, 206);
			resp.GetHeaders().SetHeader(NPT_HTTP_HEADER_CONTENT_RANGE, NPT_String::Format("bytes %s-%s/%s", NPT_String::FromIntegerU(offset).GetChars(), NPT_String::FromIntegerU(offset + length - 1).GetChars(), NPT_String::FromIntegerU(fileInfo.m_Size).GetChars()));
			fileInput->Seek(offset);
		} else {
			offset = 0;
			length = fileInfo.m_Size;
			setStatusCode(resp, 200);
		}

		resp.GetHeaders().SetHeader(NPT_HTTP_HEADER_CONTENT_TYPE, mimeType);
		resp.GetHeaders().SetHeader(NPT_HTTP_HEADER_CONTENT_LENGTH, NPT_String::FromIntegerU(length));
		resp.GetHeaders().SetHeader("Last-Modified", NPT_DateTime(fileInfo.m_ModificationTime).ToString(NPT_DateTime::FORMAT_RFC_1123));
		resp.GetHeaders().SetHeader("Accept-Ranges", "bytes");

		resp.GetHeaders().SetHeader("EXT", "");
		if (reqCtx.transferMode != FrontEnd::TM_None) {
			const char *transferMode = "Streaming";
			switch (reqCtx.transferMode) {
			case FrontEnd::TM_Background:
				transferMode = "Background";
				break;
			case FrontEnd::TM_Interactive:
				transferMode = "Interactive";
				break;
			}
			resp.GetHeaders().SetHeader("transferMode.dlna.org", transferMode);
		}

		if (reqCtx.getcontentFeaturesReq) {
			NPT_String contentFeatures("DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000");
			resp.GetHeaders().SetHeader("contentFeatures.dlna.org", contentFeatures);
		}

		httpOutput->writeResponseHeader(resp);

		if (isGetMethod) {

			bool abortFlag = false;
			ServeFileAbortCallback abortCallback(&abortFlag);

			if (task->registerAbortCallback(&abortCallback)) {
				NPT_DataBuffer buffer(4096);

				NPT_UInt64 cbRemain = length;

				for (;;) {
					if (abortFlag) {
						break;
					}

					if (cbRemain == 0) {
						break;
					}

					NPT_Size cbRead;
					NPT_UInt64 cbToRead = cbRemain;
					if (cbToRead > buffer.GetBufferSize()) {
						cbToRead = buffer.GetBufferSize();
					}
					nr = fileInput->Read(buffer.UseData(), buffer.GetBufferSize(), &cbRead);
					if (NPT_FAILED(nr)) {
						/*if (nr == NPT_ERROR_EOS) {
						} else {
						}*/
						break;
					}

					if (abortFlag) {
						break;
					}

					if (cbRead > 0) {
						cbRemain -= cbRead;
						httpOutput->writeData(buffer.GetData(), cbRead);
					}
				}

				task->unregisterAbortCallback(&abortCallback);
			}
		}
	} else {
		setStatusCode(resp, 405);
		resp.GetHeaders().SetHeader("Allow", "GET, HEAD");
		httpOutput->writeResponseHeader(resp);
	}
#endif
}
コード例 #4
0
ファイル: DJMediaStore.cpp プロジェクト: bubbletreefrog/DLNA
void serveStreamAdv(AbortableTask *task, const MediaStore::FileDetail& detail, AdvStreamReader *reader, const FrontEnd::RequestContext& reqCtx, const NPT_HttpRequest *req, NPT_HttpResponse& resp, HttpOutput *httpOutput, NPT_Size bufferSize)
{
	bool isGetMethod = req->GetMethod().Compare("GET") == 0;
	bool isHeadMethod = req->GetMethod().Compare("HEAD") == 0;
	if (isGetMethod || isHeadMethod) {
		NPT_Result nr;
		NPT_UInt64 offset, length;

		NPT_HttpHeader *hdrRange = req->GetHeaders().GetHeader("RANGE");
		if (hdrRange) {
			if (!parseRangeHeader(hdrRange->GetValue(), detail.m_size, offset, length)) {
				setStatusCode(resp, 416);
				httpOutput->writeResponseHeader(resp);
				return;
			}
			setStatusCode(resp, 206);
			resp.GetHeaders().SetHeader(NPT_HTTP_HEADER_CONTENT_RANGE, NPT_String::Format("bytes %s-%s/%s", NPT_String::FromIntegerU(offset).GetChars(), NPT_String::FromIntegerU(offset + length - 1).GetChars(), NPT_String::FromIntegerU(detail.m_size).GetChars()));
		} else {
			offset = 0;
			length = detail.m_size;
			setStatusCode(resp, 200);
		}

		resp.GetHeaders().SetHeader(NPT_HTTP_HEADER_CONTENT_TYPE, detail.m_mimeType);
		resp.GetHeaders().SetHeader(NPT_HTTP_HEADER_CONTENT_LENGTH, NPT_String::FromIntegerU(length));
		resp.GetHeaders().SetHeader("Last-Modified", NPT_DateTime(detail.m_modificationTime).ToString(NPT_DateTime::FORMAT_RFC_1123));
		resp.GetHeaders().SetHeader("Accept-Ranges", "bytes");

		resp.GetHeaders().SetHeader("EXT", "");
		if (reqCtx.transferMode != FrontEnd::TM_None) {
			const char *transferMode = "Streaming";
			switch (reqCtx.transferMode) {
			case FrontEnd::TM_Background:
				transferMode = "Background";
				break;
			case FrontEnd::TM_Interactive:
				transferMode = "Interactive";
				break;
			}
			resp.GetHeaders().SetHeader("transferMode.dlna.org", transferMode);
		}

		if (reqCtx.getcontentFeaturesReq) {
			NPT_String contentFeatures("DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000");
			resp.GetHeaders().SetHeader("contentFeatures.dlna.org", contentFeatures);
		}

		httpOutput->writeResponseHeader(resp);

		if (isGetMethod) {

			bool abortFlag = false;
			ServeFileAbortCallback abortCallback(&abortFlag, reader);

			if (task->registerAbortCallback(&abortCallback)) {

				reader->seek(offset);

				NPT_DataBuffer buffer(bufferSize);

				NPT_UInt64 cbRemain = length;

				for (;;) {
					if (abortFlag) {
						break;
					}

					if (cbRemain == 0) {
						break;
					}

					NPT_Size cbRead;
					NPT_Size cbToRead = cbRemain;
					if (cbToRead > buffer.GetBufferSize()) {
						cbToRead = buffer.GetBufferSize();
					}
					nr = reader->read(buffer.UseData(), buffer.GetBufferSize(), &cbRead);
					if (NPT_FAILED(nr)) {
						/*if (nr == NPT_ERROR_EOS) {
						} else {
						}*/
						break;
					}

					if (abortFlag) {
						break;
					}

					if (cbRead > 0) {
						cbRemain -= cbRead;
						httpOutput->writeData(buffer.GetData(), cbRead);
					}
				}

				task->unregisterAbortCallback(&abortCallback);
			}
		}
	} else {
		setStatusCode(resp, 405);
		resp.GetHeaders().SetHeader("Allow", "GET, HEAD");
		httpOutput->writeResponseHeader(resp);
	}
}
コード例 #5
0
ファイル: DJFrontEnd.cpp プロジェクト: bubbletreefrog/DLNA
void FrontEnd::processSsdpSearch(SsdpServerTask *task, Interface *intf, const NPT_DataBuffer& data, const NPT_SocketAddress& fromAddr)
{
	do {
		NPT_HttpRequest *req;
		NPT_InputStreamReference inputStream0(new NPT_MemoryStream(data.GetData(), data.GetDataSize()));
		NPT_BufferedInputStream inputStream(inputStream0);
		if (NPT_FAILED(NPT_HttpRequest::Parse(inputStream, NULL, req))) {
			break;
		}

		PtrHolder<NPT_HttpRequest> req1(req);
		if (req->GetMethod().Compare("M-SEARCH") != 0 || req->GetProtocol().Compare(NPT_HTTP_PROTOCOL_1_1) != 0 || req->GetUrl().GetPath().Compare("*") != 0) {
			break;
		}

		NPT_HttpHeader *hdrMan = req->GetHeaders().GetHeader("MAN");
		if (!hdrMan || hdrMan->GetValue().Compare("\"ssdp:discover\"") != 0) {
			break;
		}

		NPT_HttpHeader *hdrHost = req->GetHeaders().GetHeader("HOST");
		if (!hdrHost || (hdrHost->GetValue().Compare("239.255.255.250:1900") != 0 && hdrHost->GetValue().Compare("239.255.255.250") != 0)) {
			break;
		}

		int mx;
		NPT_HttpHeader *hdrMX = req->GetHeaders().GetHeader("MX");
		if (!hdrMX || NPT_FAILED(NPT_ParseInteger(hdrMX->GetValue(), mx)) || mx < 1) {
			break;
		}

		if (mx > 120) {
			mx = 120;
		}

		NPT_HttpHeader *hdrST = req->GetHeaders().GetHeader("ST");
		if (!hdrST) {
			break;
		}

		NPT_List<MatchContext*> matchList;

		NPT_UdpSocket sock(NPT_SOCKET_FLAG_CANCELLABLE);
		sock.Bind(NPT_SocketAddress(intf->m_context.m_ifAddr, 0));
		NPT_SharedVariable waitVar;
		waitVar.SetValue(0);

		{
			ReadLocker locker(m_dsLock);
			for (NPT_Ordinal i = 0; i < m_deviceImplList.GetItemCount(); i++) {
				NPT_List<DeviceImplInfo*>::Iterator it = m_deviceImplList.GetItem(i);
				DeviceImplInfo *info = *it;
				MatchContext *matchContext = new MatchContext();
				if (info->m_deviceImpl->match(hdrST->GetValue(), matchContext->matches)) {
					matchList.Add(matchContext);
					matchContext->deviceUuid = info->m_deviceImpl->uuid();
					matchContext->expireSeconds = info->m_deviceImpl->m_expireSeconds;
					matchContext->descPath = info->m_deviceImpl->m_descPath;
					matchContext->httpRoot = info->m_context.m_httpRoot;
				} else {
					delete matchContext;
				}
			}
		}

		SsdpSearchAbortCallback abortCallback(&sock, &waitVar);
		if (task->registerAbortCallback(&abortCallback)) {

			for (NPT_Ordinal i = 0; i < matchList.GetItemCount(); i++) {
				MatchContext *matchContext = *matchList.GetItem(i);

				NPT_String location = NPT_String::Format("http://%s:%d%s%s", intf->m_context.m_ifAddr.ToString().GetChars(), intf->m_context.m_httpPort, matchContext->httpRoot.GetChars(), matchContext->descPath.GetChars());

				bool broken = false;

				for (NPT_Ordinal j = 0; j < matchContext->matches.GetItemCount(); j++) {
					NPT_List<DeviceImplMatch>::Iterator it2 = matchContext->matches.GetItem(j);

					NPT_Timeout timeout = NPT_System::GetRandomInteger() % (mx * 1000);
					// TODO: wait or not ???
					timeout = 0;
					if (NPT_SUCCEEDED(waitVar.WaitWhileEquals(0, timeout))) {
						break;
					}

					{
						ReadLocker locker(m_dsLock);
						if (m_deviceImplIndex.HasKey(matchContext->deviceUuid)) {
							NPT_TimeStamp ts;
							NPT_System::GetCurrentTimeStamp(ts);
							NPT_String dateStr = NPT_DateTime(ts).ToString(NPT_DateTime::FORMAT_RFC_1123);
							NPT_String resp = NPT_String::Format("HTTP/1.1 200 OK\r\nCACHE-CONTROL: max-age=%d\r\nDATE: %s\r\nEXT: \r\nLOCATION: %s\r\nSERVER: %s\r\nST: %s\r\nUSN: %s\r\nCUSTOM:%s\r\n\r\n",
														matchContext->expireSeconds, dateStr.GetChars(), location.GetChars(), m_serverHeader.GetChars(), it2->m_st.GetChars(), it2->m_usn.GetChars(), m_DevName.GetChars());
							NPT_DataBuffer packet(resp.GetChars(), resp.GetLength(), false);
							sock.Send(packet, &fromAddr);
						}
					}
				}

				if (broken) {
					break;
				}
			}

			task->unregisterAbortCallback(&abortCallback);
		}

		matchList.Apply(NPT_ObjectDeleter<MatchContext>());
	} while (false);
}