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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
*/
#ifndef _SemanticHandler_
#define _SemanticHandler_
#include <memory>
#include "BrokerAdapter.h"
#include "DeliveryAdapter.h"
#include "MessageBuilder.h"
#include "IncomingExecutionContext.h"
#include "HandlerImpl.h"
#include "qpid/framing/amqp_types.h"
#include "qpid/framing/AMQP_ServerOperations.h"
#include "qpid/framing/FrameHandler.h"
#include "qpid/framing/SequenceNumber.h"
#include <boost/function.hpp>
namespace qpid {
namespace framing {
class AMQMethodBody;
class AMQHeaderBody;
class AMQContentBody;
class AMQHeaderBody;
}
namespace broker {
class SessionContext;
class SemanticHandler : public DeliveryAdapter,
public framing::FrameHandler,
public framing::AMQP_ServerOperations::ExecutionHandler
{
typedef boost::function<void(DeliveryId, DeliveryId)> RangedOperation;
SemanticState state;
SessionContext& session;
// TODO aconway 2007-09-20: Why are these on the handler rather than the
// state?
IncomingExecutionContext incoming;
framing::Window outgoing;
MessageBuilder msgBuilder;
RangedOperation ackOp;
enum TrackId {EXECUTION_CONTROL_TRACK, MODEL_COMMAND_TRACK, MODEL_CONTENT_TRACK};
TrackId getTrack(const framing::AMQFrame& frame);
void handleL3(framing::AMQMethodBody* method);
void handleCommand(framing::AMQMethodBody* method);
void handleContent(framing::AMQFrame& frame);
void sendCompletion();
//delivery adapter methods:
DeliveryId deliver(QueuedMessage& msg, DeliveryToken::shared_ptr token);
framing::AMQP_ClientProxy& getProxy() { return session.getProxy(); }
//Connection& getConnection() { return session.getConnection(); }
Broker& getBroker() { return session.getConnection().getBroker(); }
public:
SemanticHandler(SessionContext& session);
//frame handler:
void handle(framing::AMQFrame& frame);
//execution class method handlers:
void complete(uint32_t cumulativeExecutionMark, const framing::SequenceNumberSet& range);
void flush();
void noop();
void result(uint32_t command, const std::string& data);
void sync();
SemanticState& getSemanticState() { return state; }
};
}}
#endif
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