C++ CDataAccessor类代码示例

bool L1InterfaceStub::processClientDeallocateRequest(CDataAccessor & accessor,
        const iviLink::Ipc::DirectionID dirId)
{
    UInt32 channel_id = accessor.getChannelID();
    if(CA_SERVICE_CHANNEL !=channel_id)
    {
        LOG4CPLUS_INFO(logger, "L1InterfaceStub::processClientDeallocateRequest() => "
                "Deallocate Channel Request: ChID = " + convertIntegerToString(channel_id));
        mRegistryMutex.lock();
        tChannelsRegistryMap::iterator iter =  mL1ChannelRegistry.find(channel_id);
        if (iter != mL1ChannelRegistry.end())
        {
            iter->second.mState = E_TRANSITION_CLIENT;
            sendRequest(accessor);
            assert(mTimeoutManager);
            mTimeoutManager->addSubscriber(new RequestTimeout(static_cast<tOpCode>
            (accessor.getOpCode()),channel_id,this ), 250000);
            // ret = ERR_OK;
        }
        else
        {
            LOG4CPLUS_INFO(logger, "L1InterfaceStub::processClientDeallocateRequest() "
                    "=> Deallocate Channel Request: ChID = " +
                    convertIntegerToString(channel_id) + " NOT FOUND!");
            // ret = ERR_NOTFOUND;
        }
        mRegistryMutex.unlock();
    }

    return false;
}

bool L1InterfaceStub::processClientGetConnectionAddrRequest(CDataAccessor & accessor,
        const iviLink::Ipc::DirectionID dirId)
{
    LOG4CPLUS_TRACE_METHOD(logger, __PRETTY_FUNCTION__);
    ConnectionInformation fake;
    UInt8 * serializedData = fake.serialize();
    accessor.setData(serializedData, fake.getSerializedSize());
    accessor.setErrorCode(ConnectivityAgentError::ERROR_NOT_FOUND);
    delete[] serializedData;

    if (mpAgent)
    {
        iviLink::ConnectivityAgent::HAL::CCarrierAdapter* pca =
                mpAgent->getCurrentCarrierAdapter();
        if (pca)
        {
            LOG4CPLUS_INFO(logger, "Retrieving actual connection information");
            ConnectionInformation address(pca->getLocalAddress(), pca->getRemoteAddress(),
                    pca->getTypeName());
            UInt8 * serializedData = address.serialize();
            accessor.setData(serializedData, address.getSerializedSize());
            accessor.setErrorCode(BaseError::IVILINK_NO_ERROR);
            delete[] serializedData;
        }
    }
    // we try to send response always
    return true;
}

ConnectivityAgentError L1InterfaceStub::sendData(CDataAccessor & accessor)
{
    LOG4CPLUS_TRACE_METHOD(logger, __PRETTY_FUNCTION__);
    ConnectivityAgentError result(ConnectivityAgentError::ERROR_NOT_FOUND);
    mRegistryMutex.lock();
    tChannelsRegistryMap::iterator iter = mL1ChannelRegistry.find(accessor.getChannelID());

    if (iter != mL1ChannelRegistry.end())
    {
        Buffer buf;
        UInt32 size = accessor.getDataSize();
        assert (size <= MAX_SIZE);

        LOG4CPLUS_INFO(logger, "L1InterfaceStub::sendData() => Overall data bytes " +
                convertIntegerToString(size));
        buf.reserveSize(size);
        buf.setFilledSize(size);
        memcpy(buf.getData(), accessor.getData(), accessor.getDataSize());
        result = (iter->second.mpSourceAgent->fillBuffer(buf));
    }
    else
    {
        LOG4CPLUS_ERROR(logger, "L1InterfaceStub::sendData() => channel not found!");
        result.setErrorCode(ConnectivityAgentError::ERROR_NOT_FOUND);
    }
    mRegistryMutex.unlock();
    return result;
}

void L1InterfaceStub::processServiceAllocateResponse(CDataAccessor & accessor)
{
    const UInt32 channel_id = accessor.getChannelID();
    ConnectivityAgentError err(static_cast<ConnectivityAgentError::AgentErrorCodes>
            (accessor.getErrorCode()));

    LOG4CPLUS_TRACE_METHOD(logger, "L1InterfaceStub::processServiceAllocateResponse() => "
            "Channel allocated responce id = "
            + convertIntegerToString(channel_id) + ", err = " +
            convertIntegerToString((int)err.getCode()));

    iviLink::Ipc::DirectionID dirId = -1;

    /// @todo better processing of error codes. PIlin, 31.08.12
    /// There is the error case with wrong processing:
    /// 1) if response with error, obtain ERR_DEFERRED from failAllocateChannel and
    ///   begin deallocation procedure.
    /// 2) if there is no known dirId, channel also needs to be deallocated, even
    /// if its allocation was successfull.
    ///
    /// Here we must initialize channel deallocation procedure, because we unable
    /// to send some message - there is no such in existing protocol.

    if (err.isNoError())
    {
        err = endAllocateChannel(channel_id, dirId);

        if (err.getCode() == ConnectivityAgentError::ERROR_DEFERRED)
        {
            LOG4CPLUS_INFO(logger, "L1InterfaceStub::processServiceAllocateResponse() => "
                    "was E_TRANSITION_AGENT, messaging to other side");
            accessor.setErrorCode(BaseError::IVILINK_NO_ERROR);
            err = sendRequest(accessor);
        }
    }

    if (!err.isNoError() || dirId == -1)
    {
        // SEQ_E_4

        LOG4CPLUS_ERROR(logger, "L1InterfaceStub::processServiceAllocateResponse() => "
                "failed channel allocation");

        failAllocateChannel(channel_id, dirId);
        accessor.setErrorCode(err.getCode());
    }

    if (dirId != -1)
    {
        LOG4CPLUS_INFO(logger, "L1InterfaceStub::processServiceAllocateResponse() => "
                "message about allocation result");
        sendIpcNotification(accessor, dirId);
    }
    else
    {
        LOG4CPLUS_ERROR(logger, "L1InterfaceStub::processServiceAllocateResponse() => "
                "unknown client, failing channel");
    }
}

void L1InterfaceStub::processServiceDeallocateResponse(CDataAccessor & accessor)
{
    UInt32 channel_id = accessor.getChannelID();
    UInt32 errCode = 0;
    memcpy(&errCode, accessor.getData(), sizeof(UInt32));

    ConnectivityAgentError ret(static_cast<ConnectivityAgentError::AgentErrorCodes>(errCode));
    LOG4CPLUS_INFO(logger, "L1InterfaceStub::processServiceDeallocateResponse() => "
            "Channel deallocated responce id = "
            + convertIntegerToString(channel_id) + " err = " +
            convertIntegerToString((int)ret.getCode()));
    if (ret.isNoError())
    {
        ret = deallocateChannel(channel_id);
        if (ret.isNoError())
        {
            bool found = false;
            iviLink::Ipc::DirectionID dirId;

            mRegistryMutex.lock();
            {
                tChannelsRegistryMap::iterator iter = mL1ChannelRegistry.find(channel_id);
                if (iter != mL1ChannelRegistry.end())
                {
                    dirId = iter->second.mClientDir;
                    found = true;
                    mL1ChannelRegistry.erase(iter);
                }
            }
            mRegistryMutex.unlock();

            if (found)
            {
                UInt8* buf = new UInt8[accessor.getObjectSize()];
                accessor.copyToRawArray(buf);

                BaseError err = mpIpc->asyncRequest(mMsgIdGen.next(),
                        buf, accessor.getObjectSize(), &dirId);

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

                delete [] buf;
            }
            else
            {
                LOG4CPLUS_INFO(logger, "Channel " + convertIntegerToString(channel_id) +
                        " is not found. Probably, already deleted");
            }

        }
    }
}

   void testRawArray()
   {
      //setup
      UInt8 data[] = "012";
      CDataAccessor a;
      a.setChannelID(123);
      a.setErrorCode(234);
      a.setOpCode(345);
      a.setData(data, sizeof(data));

      UInt8 array[100];

      a.printContent();

      // test

      UInt32 size = a.getObjectSize();
      a.copyToRawArray(array);

      CPPUNIT_ASSERT_EQUAL(sizeof(data) + 4*4, size);

      CDataAccessor b(array, size);
      b.printContent();
      CPPUNIT_ASSERT_EQUAL(123u, b.getChannelID());
      CPPUNIT_ASSERT_EQUAL(234u, b.getErrorCode());
      CPPUNIT_ASSERT_EQUAL(345u, b.getOpCode());
      CPPUNIT_ASSERT_EQUAL(sizeof(data), b.getDataSize());

      CPPUNIT_ASSERT(0 == memcmp(data, b.getData(), sizeof(data)));
   }

void CConnectivityAgentProxy::receiveDataNotification(CDataAccessor & accessor)
{
	LOG4CPLUS_TRACE_METHOD(logger, __PRETTY_FUNCTION__);
	UInt32 channel_id = accessor.getChannelID();

	UInt32 data_size = accessor.getDataSize();

	LOG4CPLUS_INFO(logger,
			"CConnectivityAgentProxy::receiveDataNotification() => channel "
					+ convertIntegerToString(channel_id) + ", data_size "
					+ convertIntegerToString(data_size));

	mRegistryMutex.lockRead();
	tChannelsRegistryMap::iterator iter = mChannelRegistry.find(channel_id);
	if (iter != mChannelRegistry.end())
	{
		Buffer *buf = &(iter->second.mChannelBuffer);
		UInt32 free_size = buf->getAllocatedSize() - buf->getFilledSize();

		if (free_size < data_size)
		{

			mCallbackListMutex.lock();
			CCallbackWrapper* pCallback = new CBufferOverflowCallback(iter->second.mpClient,
					channel_id);
			mCallbackList.push_back(pCallback);
			mCallbackListMutex.unlock();
			mCallbackSema.signal();
			LOG4CPLUS_ERROR(logger,
					"CConnectivityAgentProxy::receiveDataNotification() => overflow!");
			//copy or not?
		} else
		{
			buf->appendData(accessor.getData(), data_size);
			free_size -= data_size;
			mCallbackListMutex.lock();
			CCallbackWrapper* pCallback = new CDataReceivedCallback(iter->second.mpClient,
					channel_id, data_size);
			mCallbackList.push_back(pCallback);
			mCallbackListMutex.unlock();
			mCallbackSema.signal();
		}
	} else
	{
		LOG4CPLUS_ERROR(logger,
				"CConnectivityAgentProxy::receiveDataNotification() => unknown channel!");
	}
	mRegistryMutex.unlockRead();
}

bool L1InterfaceStub::processClientAllocateRequest(CDataAccessor & accessor,
        const iviLink::Ipc::DirectionID dirId)
{
    LOG4CPLUS_TRACE_METHOD(logger, __PRETTY_FUNCTION__);
    const UInt32 channel_id = accessor.getChannelID();

    if(CA_SERVICE_CHANNEL == channel_id)
    {
        // SEQ_E_5
        LOG4CPLUS_WARN(logger, "Channel CA_SERVICE_CHANNEL is not allowed to be open");
        accessor.resetData();
        accessor.setErrorCode(ConnectivityAgentError::ERROR_CHANNEL_BUSY);
        return true;
    }

    UInt32 prio = 0;
    memcpy(&prio, accessor.getData(), accessor.getDataSize());
    LOG4CPLUS_INFO(logger, "L1InterfaceStub::processClientAllocateRequest() => "
            "Allocate Channel Request: ChID = "
            + convertIntegerToString(channel_id) + ", prio = " + convertIntegerToString(prio));

    iviLink::Ipc::DirectionID tmpDirId = dirId;
    ConnectivityAgentError err = ConnectivityAgentError(ConnectivityAgentError::ERROR_OTHER);

    mRequestedMapMutex.lock();
    mRegistryMutex.lock();
    {
        err = beginAllocateChannel(static_cast<TChannelPriority>(prio), channel_id, true,
                tmpDirId);
        accessor.setErrorCode(err.getCode());

        if (err.isNoError())
        {
            LOG4CPLUS_INFO(logger, "L1InterfaceStub::processClientAllocateRequest() => "
                    "all ok, sending request to other side" );
            err = sendRequest(accessor);
        }
    }
    mRegistryMutex.unlock();
    mRequestedMapMutex.unlock();

    if (err.isNoError()) //> all ok
    {
        return false;
    }
    else
    {
        // something wrong, need message about error
        // SEQ_E_5
        assert(err.getCode() != ConnectivityAgentError::ERROR_DEFERRED);
        accessor.resetData();
        accessor.setErrorCode(err.getCode());
        return true;
    }
}

void L1InterfaceStub::sendIpcNotification(CDataAccessor & accessor,
        iviLink::Ipc::DirectionID dirId)
{
    assert(dirId != -1);

    UInt8* buf = new UInt8[accessor.getObjectSize()];
    accessor.copyToRawArray(buf);

    BaseError err = mpIpc->asyncRequest(mMsgIdGen.next(),
            buf, accessor.getObjectSize(), &dirId);

    if (!err.isNoError())
    {
        LOG4CPLUS_WARN(logger, "sendIpcNotification error : " + static_cast<std::string>(err));
    }

    delete [] buf;
}

void L1InterfaceStub::OnDisconnected()
{
    LOG4CPLUS_INFO(logger, "L1InterfaceStub::OnDisconnected(): "
            "Connectivity Agents disconnected=>sending notfications to all clients");

    mSCProtocol.sendConnectionLost();

    CDataAccessor responceDA;
    responceDA.setOpCode(E_CONNECTION_LOST_NTF);
    for (tClientDirections::iterator iter = mClientDirections.begin(); iter !=
            mClientDirections.end(); ++iter)
    {
        UInt8* buf = new UInt8[responceDA.getObjectSize()];
        responceDA.copyToRawArray(buf);
        mpIpc->asyncRequest(mMsgIdGen.next(),
        buf, responceDA.getObjectSize(), &(*iter));
        delete [] buf;
    }
}

ConnectivityAgentError L1InterfaceStub::sendRequest( CDataAccessor & accessor)
{
    LOG4CPLUS_TRACE_METHOD(logger, __PRETTY_FUNCTION__);
    Buffer buf;
    UInt32 offset = 0;

    accessor.printContent();

    buf.getFilledSize() = accessor.getObjectSize() + sizeof(UInt16);
    buf.reserveSize(buf.getFilledSize());

    *reinterpret_cast<UInt16*> (buf.getData() + offset) =
            ByteOrder::hton16((UInt16)buf.getFilledSize());
    offset += 2;

    *reinterpret_cast<UInt32*> (buf.getData() + offset) =
            ByteOrder::hton32(accessor.getOpCode());
    offset += 4;

    *reinterpret_cast<UInt32*> (buf.getData() + offset) =
            ByteOrder::hton32(accessor.getChannelID());
    offset += 4;

    *reinterpret_cast<UInt32*> (buf.getData() + offset) =
            ByteOrder::hton32(accessor.getDataSize());
    offset += 4;

    *reinterpret_cast<UInt32*> (buf.getData() + offset) =
            ByteOrder::hton32(accessor.getErrorCode());
    offset += 4;

    if (accessor.getDataSize())
    {
        memcpy(buf.getData() + offset,accessor.getData(), accessor.getDataSize() );
    }

    ConnectivityAgentError ret = mL1ChannelRegistry[CA_SERVICE_CHANNEL].
            mpSourceAgent->fillBuffer(buf);

    buf.forgetData();

    return ret;
}

void CConnectivityAgentProxy::receiveAllocateChannelResponse(CDataAccessor & accessor)
{
	UInt32 channel_id = accessor.getChannelID();
	ERROR_CODE err = static_cast<ERROR_CODE>(accessor.getErrorCode());

	LOG4CPLUS_TRACE_METHOD(logger,
			"CConnectivityAgentProxy::receiveAllocateChannelResponse"
					" channel_id = " + convertIntegerToString(channel_id) + " err = "
					+ convertIntegerToString((int) err));

	mAllocateRequestCond.lock();
	{
		tAllocateRequestMap::iterator it = mAllocateRequestMap.find(channel_id);
		if (it == mAllocateRequestMap.end())
		{
			LOG4CPLUS_WARN(logger,
					"CConnectivityAgentProxy::receiveAllocateChannelResponse() => channel is not requested");
		} else
		{
			AllocateRequestInfo & info = it->second;
			info.mRequestDone = true;
			info.mResult = err;

			if (ERR_OK == err)
			{
				mRegistryMutex.lockWrite();
				mChannelRegistry[channel_id].mType = info.mType;
				mChannelRegistry[channel_id].mpClient = info.mpClient;
				mChannelRegistry[channel_id].mChannelBuffer.reserveSize(MAX_SIZE);
				mRegistryMutex.unlockWrite();
			}

			mAllocateRequestCond.broadcast();
		}
	}
	mAllocateRequestCond.unlock();
}

void CConnectivityAgentProxy::channelDeletedNotification(CDataAccessor & accessor)
{
	LOG4CPLUS_TRACE_METHOD(logger, __PRETTY_FUNCTION__);
	UInt32 channel_id = accessor.getChannelID();

	mRegistryMutex.lockWrite();
	{
		tChannelsRegistryMap::iterator iter = mChannelRegistry.find(channel_id);
		if (iter == mChannelRegistry.end())
		{
			LOG4CPLUS_INFO(logger,
					"channel " + convertIntegerToString(channel_id) + " is not found");
			if (mChannelOnDeallocSet.find(channel_id) != mChannelOnDeallocSet.end())
			{
				LOG4CPLUS_INFO(logger,
						"channel is being deallocated from this side, signaling about it");
				mDeallocateRequestResultCond.lock();

				mDeallocateRequestResultMap[channel_id] = CDataAccessor();

				mDeallocateRequestResultCond.broadcast();
				mDeallocateRequestResultCond.unlock();
			}
		} else
		{
			LOG4CPLUS_INFO(logger, "channel " + convertIntegerToString(channel_id) + " found");
			mCallbackListMutex.lock();
			{
				CCallbackWrapper* pCallback = new CChannelDeletedCallback(iter->second.mpClient,
						channel_id);
				mCallbackList.push_back(pCallback);
				mCallbackSema.signal();
			}
			mCallbackListMutex.unlock();

			mChannelRegistry.erase(channel_id);
		}

	}
	mRegistryMutex.unlockWrite();
}

ERROR_CODE CConnectivityAgentProxy::sendData(const UInt32 channel_id, UInt8 const* data,
		const UInt32 size)
{
	LOG4CPLUS_INFO(logger,
			"CConnectivityAgentProxy::sendData() => channel " + convertIntegerToString(channel_id)
					+ ", size " + convertIntegerToString(size));
	ERROR_CODE ret = ERR_FAIL;

	const int MAX_BUF_SIZE = 0xFFFF;

	if ((data != NULL) && ((Int32) size > 0) && (size < MAX_BUF_SIZE))
	{
		mRegistryMutex.lockRead();
		bool found = (mChannelRegistry.find(channel_id) != mChannelRegistry.end());
		mRegistryMutex.unlockRead();

		if (found)
		{
			CDataAccessor requestDA;
			requestDA.setChannelID(channel_id);
			requestDA.setOpCode(E_SEND_DATA);
			requestDA.setData(data, size);
			UInt8 buf[MAX_BUF_SIZE];
			requestDA.copyToRawArray(buf);
			assert(requestDA.getObjectSize() <= MAX_BUF_SIZE);
			if (requestDA.getObjectSize() > MAX_BUF_SIZE)
			{
				LOG4CPLUS_ERROR(logger,
						"CConnectivityAgentProxy::sendData() => ERROR:  \
                     requestDA.getObjectSize() > max buf size");
			}

			UInt32 respSize = 0;
			CError err = mpIpc->request(mMsgIdGen.next(), buf, requestDA.getObjectSize(), NULL,
					respSize);
			if (err.isNoError())
			{
				ret = ERR_OK;
			} else
			{
				LOG4CPLUS_WARN(logger, static_cast<std::string>(err));
			}
		} else

bool L1InterfaceStub::processClientGetDeviceList(CDataAccessor & accessor, const iviLink::Ipc::DirectionID dirId)
{
    LOG4CPLUS_TRACE_METHOD(logger, __PRETTY_FUNCTION__);

    UInt32 number = 0;
    if(accessor.getDataSize()<sizeof(UInt32))
    {
        accessor.resetData();
        accessor.setErrorCode(ConnectivityAgentError::ERROR_REQUEST_FAILED);
        return true;
    }
    number=*(reinterpret_cast<UInt32*>(accessor.getData()));
    if(number!=0)
    {
        accessor.resetData();
        accessor.setErrorCode(ConnectivityAgentError::ERROR_NOT_FOUND);
        return true;
    }
    else
    {
        LOG4CPLUS_INFO(logger, "Device Number know, transmitting");
        FoundDevice device;
        UInt8* serializedData = NULL;
        device.mName="N/a";
        device.mAddress="";
        device.mConnection=CON_UNKNOWN;
        if (mpAgent)
        {
            iviLink::ConnectivityAgent::HAL::CCarrierAdapter* pca = mpAgent->getCurrentCarrierAdapter();
            if (pca)
            {
                const char *remoteAddress = pca->getRemoteAddress();
                const char *connTypeName = pca->getTypeName();
                if(connTypeName == NULL)
                {
                    connTypeName = "";
                }
                if(remoteAddress == NULL)
                {
                    remoteAddress = "N/a";
                }
                std::string typeName = connTypeName;
                device.mName = remoteAddress;
                device.mAddress = remoteAddress;
                if (typeName == "Bluetooth")
                {
                    device.mConnection = CON_BLUETOOTH;
                }
                else if (typeName == "TCP/IP")
                {
                    device.mConnection = CON_IP;
                }
            }
        }
        serializedData = device.serialize();
        accessor.resetData();
        accessor.setData(serializedData,device.getSerializedSize());
        delete[] serializedData;
        accessor.setErrorCode(BaseError::IVILINK_NO_ERROR);
        return true;
    }
}