Exemplo n.º 1
0
RsslReactorCallbackRet channelEventCallback(RsslReactor *pReactor, RsslReactorChannel *pReactorChannel, RsslReactorChannelEvent *pChannelEvent)
{
	ProviderSession *pProvSession = (ProviderSession *)pReactorChannel->userSpecPtr;
	ProviderThread *pProviderThread = pProvSession->pProviderThread;
	RsslErrorInfo rsslErrorInfo;
	RsslReactorChannelInfo reactorChannelInfo;
	RsslUInt32 count;
	RsslRet ret;

	switch(pChannelEvent->channelEventType)
	{
		case RSSL_RC_CET_CHANNEL_UP:
		{
			/* A channel that we have requested via rsslReactorAccept() has come up.  Set our
			 * file descriptor sets so we can be notified to start calling rsslReactorDispatch() for
			 * this channel. */
			FD_SET(pReactorChannel->socketId, &pProviderThread->readfds);
			FD_SET(pReactorChannel->socketId, &pProviderThread->exceptfds);

#ifdef ENABLE_XML_TRACE
			RsslTraceOptions traceOptions;
			rsslClearTraceOptions(&traceOptions);
			traceOptions.traceMsgFileName = "upacProvPerf";
			traceOptions.traceMsgMaxFileSize = 1000000000;
			traceOptions.traceFlags |= RSSL_TRACE_TO_FILE_ENABLE | RSSL_TRACE_WRITE | RSSL_TRACE_READ;
			rsslIoctl(pChannelInfo->pChannel, (RsslIoctlCodes)RSSL_TRACE, (void *)&traceOptions, &error);
#endif

			if (provPerfConfig.highWaterMark > 0)
			{
				if (rsslReactorChannelIoctl(pReactorChannel, RSSL_HIGH_WATER_MARK, &provPerfConfig.highWaterMark, &rsslErrorInfo) != RSSL_RET_SUCCESS)
                {
					printf("rsslReactorChannelIoctl() of RSSL_HIGH_WATER_MARK failed <%s>\n", rsslErrorInfo.rsslError.text);
					exit(-1);
                }
			}

			if ((ret = rsslReactorGetChannelInfo(pReactorChannel, &reactorChannelInfo, &rsslErrorInfo)) != RSSL_RET_SUCCESS)
			{
				printf("rsslReactorGetChannelInfo() failed: %d\n", ret);
				return RSSL_RC_CRET_SUCCESS;
			} 

			printf( "Channel %d active. Channel Info:\n"
					"  maxFragmentSize: %u\n"
					"  maxOutputBuffers: %u\n"
					"  guaranteedOutputBuffers: %u\n"
					"  numInputBuffers: %u\n"
					"  pingTimeout: %u\n"
					"  clientToServerPings: %s\n"
					"  serverToClientPings: %s\n"
					"  sysSendBufSize: %u\n"
					"  sysSendBufSize: %u\n"			
					"  compressionType: %s\n"
					"  compressionThreshold: %u\n"			
					"  ComponentInfo: ", 
					pReactorChannel->socketId,
					reactorChannelInfo.rsslChannelInfo.maxFragmentSize,
					reactorChannelInfo.rsslChannelInfo.maxOutputBuffers, reactorChannelInfo.rsslChannelInfo.guaranteedOutputBuffers,
					reactorChannelInfo.rsslChannelInfo.numInputBuffers,
					reactorChannelInfo.rsslChannelInfo.pingTimeout,
					reactorChannelInfo.rsslChannelInfo.clientToServerPings == RSSL_TRUE ? "true" : "false",
					reactorChannelInfo.rsslChannelInfo.serverToClientPings == RSSL_TRUE ? "true" : "false",
					reactorChannelInfo.rsslChannelInfo.sysSendBufSize, reactorChannelInfo.rsslChannelInfo.sysRecvBufSize,			
					reactorChannelInfo.rsslChannelInfo.compressionType == RSSL_COMP_ZLIB ? "zlib" : "none",
					reactorChannelInfo.rsslChannelInfo.compressionThreshold			
					);

			if (reactorChannelInfo.rsslChannelInfo.componentInfoCount == 0)
				printf("(No component info)");
			else
				for(count = 0; count < reactorChannelInfo.rsslChannelInfo.componentInfoCount; ++count)
				{
					printf("%.*s", 
							reactorChannelInfo.rsslChannelInfo.componentInfo[count]->componentVersion.length,
							reactorChannelInfo.rsslChannelInfo.componentInfo[count]->componentVersion.data);
					if (count < reactorChannelInfo.rsslChannelInfo.componentInfoCount - 1)
						printf(", ");
				}
			printf ("\n\n");

			/* Check that we can successfully pack, if packing messages. */
			if (providerThreadConfig.totalBuffersPerPack > 1
					&& providerThreadConfig.packingBufferLength > reactorChannelInfo.rsslChannelInfo.maxFragmentSize)
			{
				printf("Error(Channel %d): MaxFragmentSize %u is too small for packing buffer size %u\n",
						pReactorChannel->socketId, reactorChannelInfo.rsslChannelInfo.maxFragmentSize, 
						providerThreadConfig.packingBufferLength);
				exit(-1);
			}


			pProvSession->pChannelInfo->pChannel = pReactorChannel->pRsslChannel;
			pProvSession->pChannelInfo->pReactorChannel = pReactorChannel;
			pProvSession->pChannelInfo->pReactor = pReactor;
			rsslQueueAddLinkToBack(&pProviderThread->channelHandler.activeChannelList, &pProvSession->pChannelInfo->queueLink);
			pProvSession->timeActivated = getTimeNano();

			return RSSL_RC_CRET_SUCCESS;
		}
		case RSSL_RC_CET_CHANNEL_READY:
		{
			if (ret = (printEstimatedMsgSizes(pProviderThread, pProvSession)) != RSSL_RET_SUCCESS)
			{
				printf("printEstimatedMsgSizes() failed: %d\n", ret);
				return RSSL_RC_CRET_SUCCESS;
			}

			return RSSL_RC_CRET_SUCCESS;
		}
		case RSSL_RC_CET_FD_CHANGE:
		{
			/* The file descriptor representing the RsslReactorChannel has been changed.
			 * Update our file descriptor sets. */
			printf("Fd change: %d to %d\n", pReactorChannel->oldSocketId, pReactorChannel->socketId);
			FD_CLR(pReactorChannel->oldSocketId, &pProviderThread->readfds);
			FD_CLR(pReactorChannel->oldSocketId, &pProviderThread->exceptfds);
			FD_SET(pReactorChannel->socketId, &pProviderThread->readfds);
			FD_SET(pReactorChannel->socketId, &pProviderThread->exceptfds);

			return RSSL_RC_CRET_SUCCESS;
		}
		case RSSL_RC_CET_WARNING:
		{
			/* We have received a warning event for this channel. Print the information and continue. */
			printf("Received warning for Channel fd=%d.\n", pReactorChannel->socketId);
			printf("	Error text: %s\n", pChannelEvent->pError->rsslError.text);

			return RSSL_RC_CRET_SUCCESS;
		}
		case RSSL_RC_CET_CHANNEL_DOWN:
		{
			pProviderThread->stats.inactiveTime = getTimeNano();

			printf("Channel Closed.\n");

			FD_CLR(pReactorChannel->socketId, &pProviderThread->readfds);
			FD_CLR(pReactorChannel->socketId, &pProviderThread->exceptfds);

			--pProviderThread->clientSessionsCount;
			if (pProvSession->pChannelInfo->pReactorChannel && rsslQueueGetElementCount(&pProviderThread->channelHandler.activeChannelList) > 0)
			{
				rsslQueueRemoveLink(&pProviderThread->channelHandler.activeChannelList, &pProvSession->pChannelInfo->queueLink);
			}
	
			if (pProvSession)
			{
				free(pProvSession->pChannelInfo);
				providerSessionDestroy(pProviderThread, pProvSession);
			}

			if (rsslReactorCloseChannel(pReactor, pReactorChannel, &rsslErrorInfo) != RSSL_RET_SUCCESS)
			{
				printf("rsslReactorCloseChannel() failed: %s\n", rsslErrorInfo.rsslError.text);
				cleanUpAndExit();
			}

			return RSSL_RC_CRET_SUCCESS;
		}
		default:
			printf("Unknown channel event!\n");
			cleanUpAndExit();
	}

	return RSSL_RC_CRET_SUCCESS;
}
Exemplo n.º 2
0
RsslBuffer* tunnelManagerGetChannelBuffer(TunnelManagerImpl *pManagerImpl,
		RsslEncodeIterator *pIter, RsslUInt32 length, RsslBool mustSendMsg, RsslErrorInfo *pErrorInfo)
{
	RsslBuffer *pBuffer;
	RsslReactorChannel	*pReactorChannel = pManagerImpl->base._pReactorChannel;
	RsslRet ret;

	assert(pReactorChannel);

	if ((pBuffer = rsslReactorGetBuffer(pReactorChannel, length, RSSL_FALSE,
		pErrorInfo)) == NULL)
	{
		RsslReactorChannelInfo channelInfo;

		if (!mustSendMsg)
			return NULL;

		if (pErrorInfo->rsslError.rsslErrorId != RSSL_RET_BUFFER_NO_BUFFERS)
			return NULL;

		if ((ret = rsslReactorGetChannelInfo(pReactorChannel, &channelInfo, pErrorInfo)
					!= RSSL_RET_SUCCESS))
			return NULL;

		/* Grow the buffer pool by one and attempt to get the buffer again. */

		/* Try the shared pool first. */
		channelInfo.rsslChannelInfo.maxOutputBuffers += 1;
		if ((ret = rsslReactorChannelIoctl(pReactorChannel, 
						RSSL_MAX_NUM_BUFFERS,
						&channelInfo.rsslChannelInfo.maxOutputBuffers,
						pErrorInfo)) != RSSL_RET_SUCCESS)
		{
			/* If that doesn't work, try the guaranteed pool. */
			channelInfo.rsslChannelInfo.guaranteedOutputBuffers += 1;
			if ((ret = rsslReactorChannelIoctl(pReactorChannel, 
							RSSL_NUM_GUARANTEED_BUFFERS,
							&channelInfo.rsslChannelInfo.guaranteedOutputBuffers,
							pErrorInfo)) != RSSL_RET_SUCCESS)
				return NULL;
		}

		if ((pBuffer = rsslReactorGetBuffer(pReactorChannel, length, RSSL_FALSE,
						pErrorInfo)) == NULL)
			return NULL;
	}

	if (pIter != NULL)
	{
		rsslClearEncodeIterator(pIter);
		rsslSetEncodeIteratorRWFVersion(pIter, pReactorChannel->majorVersion,
				pReactorChannel->minorVersion);

		if ((ret = rsslSetEncodeIteratorBuffer(pIter, pBuffer)) != RSSL_RET_SUCCESS)
		{
			RsslErrorInfo errorInfo;
			rsslReactorReleaseBuffer(pReactorChannel, pBuffer, &errorInfo);
			rsslSetErrorInfo(pErrorInfo, RSSL_EIC_FAILURE, RSSL_RET_FAILURE, 
					__FILE__, __LINE__, "Failed to set encode iterator on buffer.");
			return NULL;
		}
	}

	return pBuffer;
}