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Diffstat (limited to 'cpp/src/qpid/framing/ChannelAdapter.cpp')
-rw-r--r-- | cpp/src/qpid/framing/ChannelAdapter.cpp | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/cpp/src/qpid/framing/ChannelAdapter.cpp b/cpp/src/qpid/framing/ChannelAdapter.cpp new file mode 100644 index 0000000000..48a200c4e1 --- /dev/null +++ b/cpp/src/qpid/framing/ChannelAdapter.cpp @@ -0,0 +1,109 @@ +/* + * + * Copyright (c) 2006 The Apache Software Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ +#include <boost/format.hpp> + +#include "ChannelAdapter.h" +#include "AMQFrame.h" +#include "qpid/Exception.h" + +using boost::format; + +namespace qpid { +namespace framing { + +void ChannelAdapter::init( + ChannelId i, OutputHandler& o, ProtocolVersion v) +{ + assertChannelNotOpen(); + id = i; + out = &o; + version = v; +} + +RequestId ChannelAdapter::send( + shared_ptr<AMQBody> body, Correlator::Action action) +{ + RequestId requestId = 0; + assertChannelOpen(); + switch (body->type()) { + case REQUEST_BODY: { + AMQRequestBody::shared_ptr request = + boost::shared_polymorphic_downcast<AMQRequestBody>(body); + requester.sending(request->getData()); + requestId = request->getData().requestId; + if (!action.empty()) + correlator.request(requestId, action); + break; + } + case RESPONSE_BODY: { + AMQResponseBody::shared_ptr response = + boost::shared_polymorphic_downcast<AMQResponseBody>(body); + responder.sending(response->getData()); + break; + } + // No action required for other body types. + } + out->send(new AMQFrame(getVersion(), getId(), body)); + return requestId; +} + +void ChannelAdapter::handleRequest(AMQRequestBody::shared_ptr request) { + assertMethodOk(*request); + AMQRequestBody::Data& requestData = request->getData(); + responder.received(requestData); + handleMethodInContext(request, MethodContext(this, request)); +} + +void ChannelAdapter::handleResponse(AMQResponseBody::shared_ptr response) { + assertMethodOk(*response); + AMQResponseBody::Data& responseData = response->getData(); + + // FIXME aconway 2007-04-05: processed should be last + // but causes problems with InProcessBroker tests because + // we execute client code in handleMethod. + // Need to introduce a queue & 2 threads for inprocess. + requester.processed(responseData); + // FIXME aconway 2007-04-04: exception handling. + correlator.response(response); + handleMethod(response); +} + +void ChannelAdapter::handleMethod(AMQMethodBody::shared_ptr method) { + assertMethodOk(*method); + handleMethodInContext(method, MethodContext(this, method)); +} + +void ChannelAdapter::assertMethodOk(AMQMethodBody& method) const { + if (getId() != 0 && method.amqpClassId() == ConnectionOpenBody::CLASS_ID) + throw ConnectionException( + 504, format("Connection method on non-0 channel %d.")%getId()); +} + +void ChannelAdapter::assertChannelOpen() const { + if (getId() != 0 && !isOpen()) + throw ConnectionException( + 504, format("Channel %d is not open.")%getId()); +} + +void ChannelAdapter::assertChannelNotOpen() const { + if (getId() != 0 && isOpen()) + throw ConnectionException( + 504, format("Channel %d is already open.") % getId()); +} + +}} // namespace qpid::framing |