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/*
*
* 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 "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(AMQBody::shared_ptr body) {
RequestId result = 0;
assertChannelOpen();
switch (body->type()) {
case REQUEST_BODY: {
AMQRequestBody::shared_ptr request =
boost::shared_polymorphic_downcast<AMQRequestBody>(body);
requester.sending(request->getData());
result = request->getData().requestId;
break;
}
case RESPONSE_BODY: {
AMQResponseBody::shared_ptr response =
boost::shared_polymorphic_downcast<AMQResponseBody>(body);
responder.sending(response->getData());
break;
}
}
out->send(new AMQFrame(getVersion(), getId(), body));
return result;
}
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);
// TODO aconway 2007-01-30: Consider a response handled on receipt.
// Review - any cases where this is not the case?
AMQResponseBody::Data& responseData = response->getData();
requester.processed(responseData);
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
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