C++ CDataAccessor::getObjectSize方法代码示例

ERROR_CODE CConnectivityAgentProxy::deallocateChannel(UInt32 channel_id)
{
	LOG4CPLUS_TRACE_METHOD(logger, __PRETTY_FUNCTION__);
	LOG4CPLUS_INFO(logger,
			"CConnectivityAgentProxy::deallocateChannel(chID = "
					+ convertIntegerToString(channel_id) + ")");
	ERROR_CODE ret = ERR_NOTFOUND;

	mRegistryMutex.lockWrite();
	// Channel info will be saved in info and removed from registry here.
	// In case of some errors, it will be restored in registry.
	tChannelInfo info;
	tChannelsRegistryMap::iterator iter = mChannelRegistry.find(channel_id);
	if (iter == mChannelRegistry.end())
	{
		LOG4CPLUS_ERROR(logger,
				"CConnectivityAgentProxy::deallocateChannel(chID = "
						+ convertIntegerToString(channel_id) + ") => ERROR: Channel not found! ");
	} else
	{
		ret = ERR_OK;
		info = iter->second;
		iter->second.mChannelBuffer.forgetData();
		mChannelRegistry.erase(iter);
		mChannelOnDeallocSet.insert(channel_id);
	}
	mRegistryMutex.unlockWrite();

	if (ret != ERR_OK)
		return ret;

	CDataAccessor requestDA;
	requestDA.setChannelID(channel_id);
	requestDA.setOpCode(E_DEALLOCATE_CHANNEL);
	UInt8* buf = new UInt8[requestDA.getObjectSize()];
	requestDA.copyToRawArray(buf);

	// response will be sent later as a separate request
	UInt32 respSize = 0;
	CError err = mpIpc->request(mMsgIdGen.next(), buf, requestDA.getObjectSize(), NULL, respSize);
	delete[] buf;

	if (!err.isNoError())
	{
		LOG4CPLUS_WARN(logger, static_cast<std::string>(err));
		ret = ERR_FAIL;
	} else
	{
		CDataAccessor responseDA;

		mDeallocateRequestResultCond.lock();
		{
			LOG4CPLUS_INFO(logger,
					"CConnectivityAgentProxy::deallocateChannel waiting for mLastRequestResultDA");
			while (mDeallocateRequestResultMap.find(channel_id) == mDeallocateRequestResultMap.end())
			{
				LOG4CPLUS_INFO(logger, "before wait");
				mDeallocateRequestResultCond.wait();
				LOG4CPLUS_INFO(logger, "after wait");
			}

			responseDA = mDeallocateRequestResultMap[channel_id];
			mDeallocateRequestResultMap.erase(channel_id);
		}
		mDeallocateRequestResultCond.unlock();

		if (responseDA.getData())
		{
			if ((E_DEALLOCATE_CHANNEL_RESP == responseDA.getOpCode())
					&& (channel_id == responseDA.getChannelID()))
			{
				UInt32 data = 0;
				memcpy(&data, responseDA.getData(), sizeof(UInt32));
				responseDA.resetAll();
				ret = static_cast<ERROR_CODE>(data);
			} else
			{
				LOG4CPLUS_ERROR(logger,
						"CConnectivityAgentProxy::deallocateChannel() => ERROR: wrong response type("
								+ convertIntegerToString(responseDA.getOpCode())
								+ ") from Agent  !!! ");
				ret = ERR_WRONG_SEQUENCE;
			}
		} else
		{
			LOG4CPLUS_INFO(logger, "CConnectivityAgentProxy::deallocateChannel() => "
					"channel already deleted form other side");
			ret = ERR_OK;
		}

	}

	if (ret != ERR_OK)
	{
		// something gone wrong, we need to restore information in registry
		mRegistryMutex.lockWrite();

		if (mChannelRegistry.find(channel_id) != mChannelRegistry.end())
		{
			LOG4CPLUS_WARN(logger, "CConnectivityAgentProxy::deallocateChannel: "
//.........这里部分代码省略.........

ERROR_CODE CConnectivityAgentProxy::allocateChannel(TChannelPriority prio, UInt32 channel_id,
		IChannelObserver* observer)
{
	LOG4CPLUS_TRACE_METHOD(logger, __PRETTY_FUNCTION__);
	LOG4CPLUS_INFO(logger,
			"CConnectivityAgentProxy::allocateChannel(type = " + convertIntegerToString((int) prio)
					+ ", id = " + convertIntegerToString(channel_id) + " ), this = "
					+ convertIntegerToString((intptr_t) this));

	ERROR_CODE ret = ERR_FAIL;
	if ((channel_id > 0) && (channel_id <= 0xFFFF) && (NULL != observer))
	{
		mRegistryMutex.lockWrite();
		bool channel_unknown = mChannelRegistry.find(channel_id) == mChannelRegistry.end();
		mRegistryMutex.unlockWrite();

		if (channel_unknown)
		{
			mAllocateRequestCond.lock();
			bool channel_requested = mAllocateRequestMap.find(channel_id)
					!= mAllocateRequestMap.end();
			if (channel_requested)
			{
				ret = ERR_IN_PROGRESS;
				channel_unknown = false;
				LOG4CPLUS_WARN(logger,
						"CConnectivityAgentProxy::allocateChannel() => ERROR: channel allocation in progress!");
			} else
			{
				LOG4CPLUS_INFO(logger,
						"CConnectivityAgentProxy::allocateChannel() => insert request");
				mAllocateRequestMap.insert(
						std::make_pair(channel_id,
								AllocateRequestInfo(prio, observer, false, ERR_UNKNOWN)));
			}
			mAllocateRequestCond.unlock();
		}

		if (channel_unknown)
		{
			CDataAccessor requestDA;
			requestDA.setChannelID(channel_id);
			requestDA.setOpCode(E_ALLOCATE_CHANNEL);
			UInt32 data = prio;
			requestDA.setData(reinterpret_cast<UInt8 *>(&data), sizeof(UInt32));
			UInt8* buf = new UInt8[requestDA.getObjectSize()];
			requestDA.copyToRawArray(buf);

			UInt8 respBuf[100];
			UInt32 respSize = sizeof(respBuf);
			CError err = mpIpc->request(mMsgIdGen.next(), buf, requestDA.getObjectSize(), respBuf,
					respSize);
			delete[] buf;

			if (!err.isNoError())
			{
				LOG4CPLUS_WARN(logger, static_cast<std::string>(err));
				ret = ERR_FAIL;

				mAllocateRequestCond.lock();
				mAllocateRequestMap.erase(channel_id);
				mAllocateRequestCond.unlock();

				LOG4CPLUS_WARN(logger,
						"CConnectivityAgentProxy::allocateChannel() => ERROR: failed to send request");
			} else
			{
				CDataAccessor responseDA;

				if (respSize > 0)
				{
					responseDA = CDataAccessor(respBuf, respSize);
					ret = static_cast<ERROR_CODE>(responseDA.getErrorCode());

					mAllocateRequestCond.lock();
					mAllocateRequestMap.erase(channel_id);
					mAllocateRequestCond.unlock();

					LOG4CPLUS_WARN(logger,
							"CConnectivityAgentProxy::allocateChannel() => ERROR: got error response");
				} else
				{
					mAllocateRequestCond.lock();
					while (true)
					{
						tAllocateRequestMap::iterator it = mAllocateRequestMap.find(channel_id);
						if (it == mAllocateRequestMap.end())
						{
							ret = ERR_FAIL;
							LOG4CPLUS_WARN(logger,
									"CConnectivityAgentProxy::allocateChannel() => ERROR: request was removed");
							break;
						}

						AllocateRequestInfo & info = it->second;
						if (info.mRequestDone)
						{
							LOG4CPLUS_INFO(logger,
									"CConnectivityAgentProxy::allocateChannel() => request done");
							ret = info.mResult;
//.........这里部分代码省略.........