some handlers added
This commit is contained in:
Gasper Jansa
@@ -48,9 +48,9 @@ namespace epics {
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_handlerTable[0] = new NoopResponse(context, "Beacon");
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_handlerTable[1] = new ConnectionValidationHandler(context);
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_handlerTable[2] = new EchoHandler(context);
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_handlerTable[3] = badResponse;
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_handlerTable[3] = new SearchHandler(context);
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_handlerTable[4] = badResponse;
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_handlerTable[5] = badResponse;
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_handlerTable[5] = new IntrospectionSearchHandler(context);
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_handlerTable[6] = badResponse;
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_handlerTable[7] = badResponse;
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_handlerTable[8] = badResponse;
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@@ -79,6 +79,8 @@ namespace epics {
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delete _handlerTable[0];
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delete _handlerTable[1];
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delete _handlerTable[2];
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delete _handlerTable[3];
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delete _handlerTable[5];
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delete _handlerTable[27];
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delete[] _handlerTable;
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}
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@@ -165,5 +167,254 @@ namespace epics {
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transport->enqueueSendRequest(echoReply);
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}
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void IntrospectionSearchHandler::handleResponse(osiSockAddr* responseFrom,
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Transport* transport, int8 version, int8 command,
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int payloadSize, epics::pvData::ByteBuffer* payloadBuffer) {
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AbstractServerResponseHandler::handleResponse(responseFrom,
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transport, version, command, payloadSize, payloadBuffer);
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THROW_BASE_EXCEPTION("not implemented");
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}
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SearchHandler::SearchHandler(ServerContextImpl* context) :
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AbstractServerResponseHandler(context, "Introspection search request")
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{
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_provider = context->getChannelProvider();
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_objectPool = new ChannelFindRequesterImplObjectPool(context);
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}
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SearchHandler::~SearchHandler()
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{
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if(_objectPool) delete _objectPool;
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}
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void SearchHandler::handleResponse(osiSockAddr* responseFrom,
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Transport* transport, int8 version, int8 command,
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int payloadSize, epics::pvData::ByteBuffer* payloadBuffer) {
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AbstractServerResponseHandler::handleResponse(responseFrom,
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transport, version, command, payloadSize, payloadBuffer);
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transport->ensureData((sizeof(int32)+sizeof(int16))/sizeof(int8)+1);
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const int32 searchSequenceId = payloadBuffer->getInt();
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const int8 qosCode = payloadBuffer->getByte();
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const int32 count = payloadBuffer->getShort() & 0xFFFF;
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const boolean responseRequired = (QOS_REPLY_REQUIRED & qosCode) != 0;
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for (int32 i = 0; i < count; i++)
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{
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transport->ensureData(sizeof(int32)/sizeof(int8));
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const int32 cid = payloadBuffer->getInt();
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const String name = SerializeHelper::deserializeString(payloadBuffer, transport);
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// no name check here...
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_provider->channelFind(name, _objectPool->get()->set(searchSequenceId, cid, responseFrom, responseRequired));
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}
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}
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ChannelFindRequesterImpl::ChannelFindRequesterImpl(ServerContextImpl* context, ChannelFindRequesterImplObjectPool* objectPool) :
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_sendTo(NULL),
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_context(context),
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_objectPool(objectPool)
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{}
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void ChannelFindRequesterImpl::clear()
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{
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Lock guard(_mutex);
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_sendTo = NULL;
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}
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ChannelFindRequesterImpl* ChannelFindRequesterImpl::set(int32 searchSequenceId, int32 cid, osiSockAddr* sendTo, boolean responseRequired)
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{
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Lock guard(_mutex);
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_searchSequenceId = searchSequenceId;
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_cid = cid;
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_sendTo = sendTo;
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_responseRequired = responseRequired;
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return this;
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}
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void ChannelFindRequesterImpl::channelFindResult(epics::pvData::Status* status, ChannelFind* channelFind, boolean wasFound)
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{
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// TODO status
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Lock guard(_mutex);
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if (wasFound || _responseRequired)
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{
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_wasFound = wasFound;
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_context->getBroadcastTransport()->enqueueSendRequest(this);
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}
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}
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void ChannelFindRequesterImpl::lock()
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{
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// noop
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}
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void ChannelFindRequesterImpl::unlock()
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{
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// noop
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}
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void ChannelFindRequesterImpl::acquire()
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{
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// noop
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}
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void ChannelFindRequesterImpl::release()
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{
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// noop
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}
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void ChannelFindRequesterImpl::send(ByteBuffer* buffer, TransportSendControl* control)
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{
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int32 count = 1;
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control->startMessage((int8)4, (sizeof(int32)+sizeof(int8)+128+2*sizeof(int16)+count*sizeof(int32))/sizeof(8));
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Lock guard(_mutex);
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buffer->putInt(_searchSequenceId);
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buffer->putByte(_wasFound ? (int8)1 : (int8)0);
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// NOTE: is it possible (very likely) that address is any local address ::ffff:0.0.0.0
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encodeAsIPv6Address(buffer, _context->getServerInetAddress());
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buffer->putShort((int16)_context->getServerPort());
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buffer->putShort((int16)count);
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buffer->putInt(_cid);
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control->setRecipient(*_sendTo);
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// return this object to the pool
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_objectPool->put(this);
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}
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ChannelFindRequesterImplObjectPool::ChannelFindRequesterImplObjectPool(ServerContextImpl* context) :
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_context(context)
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{}
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ChannelFindRequesterImpl* ChannelFindRequesterImplObjectPool::get()
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{
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Lock guard(_mutex);
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const int32 count = _elements.size();
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if (count == 0)
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{
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return new ChannelFindRequesterImpl(_context, this);
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}
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else
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{
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ChannelFindRequesterImpl* channelFindRequesterImpl = _elements.back();
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_elements.pop_back();
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return channelFindRequesterImpl;
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}
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}
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void ChannelFindRequesterImplObjectPool::put(ChannelFindRequesterImpl* element)
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{
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Lock guard(_mutex);
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element->clear();
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_elements.push_back(element);
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}
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ChannelRequesterImpl::ChannelRequesterImpl(Transport* transport, const String channelName, const int32 cid) :
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_transport(transport),
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_channelName(channelName),
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_cid(cid),
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_status(NULL),
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_channel(NULL)
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{
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}
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void ChannelRequesterImpl::channelCreated(Status* const status, Channel* const channel)
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{
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Lock guard(_mutex);
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_status = status;
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_channel = channel;
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}
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void ChannelRequesterImpl::channelStateChange(Channel* constc, const Channel::ConnectionState isConnected)
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{
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//noop
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}
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String ChannelRequesterImpl::getRequesterName()
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{
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//TODO
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// return _transport-> + "/" + _cid;
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}
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void ChannelRequesterImpl::message(const String message, const epics::pvData::MessageType messageType)
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{
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// TODO
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//System.err.println("[" + messageType + "] " + message);
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}
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void ChannelRequesterImpl::lock()
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{
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//noop
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}
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void ChannelRequesterImpl::unlock()
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{
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//noop
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}
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void ChannelRequesterImpl::send(ByteBuffer* buffer, TransportSendControl* control)
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{
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/* Channel* channel;
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Status* status;
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{
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Lock guard(_mutex);
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channel = _channel;
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status = _status;
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}
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// error response
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if (channel == NULL)
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{
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createChannelFailedResponse(buffer, control, status);
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}
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// OK
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else
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{
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ServerChannelImpl serverChannel = NULL;
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try
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{
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// NOTE: we do not explicitly check if transport OK
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ChannelHostingTransport* casTransport = static_cast<ChannelHostingTransport*>(_transport);
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//
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// create a new channel instance
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//
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int sid = casTransport->preallocateChannelSID();
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try
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{
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//TODO
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serverChannel = new ServerChannelImpl(channel, _cid, sid, casTransport->getSecurityToken());
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// ack allocation and register
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casTransport->registerChannel(sid, serverChannel);
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} catch (...)
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{
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// depreallocate and rethrow
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casTransport->depreallocateChannelSID(sid);
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throw;
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}
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control->startMessage((int8)7, 2*sizeof(int32)/sizeof(int8));
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buffer->putInt(_cid);
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buffer->putInt(sid);
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_transport->getIntrospectionRegistry()->serializeStatus(buffer, control, status);
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}
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catch (...)
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{
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errlogPrintf(errlogMinor, "Exception caught when creating channel: %s", _channelName);
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createChannelFailedResponse(buffer, control,
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//BaseChannelRequester.statusCreate.createStatus(StatusType.FATAL, "failed to create channel", th));
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// if (serverChannel != null)
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// serverChannel.destroy();
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}
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}*/
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}
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}
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}
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