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#ifndef QPID_BROKER_PREVIEWSESSIONHANDLER_H
#define QPID_BROKER_PREVIEWSESSIONHANDLER_H
/*
*
* 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.
*
*/
#include "qpid/framing/FrameHandler.h"
#include "qpid/framing/AMQP_ClientOperations.h"
#include "qpid/framing/AMQP_ServerOperations.h"
#include "qpid/framing/AMQP_ClientProxy.h"
#include "qpid/framing/amqp_types.h"
#include "qpid/framing/ChannelHandler.h"
#include "SessionContext.h"
#include <boost/noncopyable.hpp>
namespace qpid {
namespace broker {
class PreviewConnection;
class PreviewSessionState;
/**
* A SessionHandler is associated with each active channel. It
* receives incoming frames, handles session commands and manages the
* association between the channel and a session.
*/
class PreviewSessionHandler : public framing::AMQP_ServerOperations::SessionHandler,
public framing::AMQP_ClientOperations::SessionHandler,
public framing::FrameHandler::InOutHandler,
private boost::noncopyable
{
public:
PreviewSessionHandler(PreviewConnection&, framing::ChannelId);
~PreviewSessionHandler();
/** Returns 0 if not attached to a session */
PreviewSessionState* getSession() { return session.get(); }
const PreviewSessionState* getSession() const { return session.get(); }
framing::ChannelId getChannel() const { return channel.get(); }
ConnectionState& getConnection();
const ConnectionState& getConnection() const;
framing::AMQP_ClientProxy& getProxy() { return proxy; }
const framing::AMQP_ClientProxy& getProxy() const { return proxy; }
// Called by closing connection.
void localSuspend();
void detach() { localSuspend(); }
protected:
void handleIn(framing::AMQFrame&);
void handleOut(framing::AMQFrame&);
private:
/// Session methods
void open(uint32_t detachedLifetime);
void flow(bool active);
void flowOk(bool active);
void close();
void closed(uint16_t replyCode, const std::string& replyText);
void resume(const framing::Uuid& sessionId);
void suspend();
void ack(uint32_t cumulativeSeenMark,
const framing::SequenceNumberSet& seenFrameSet);
void highWaterMark(uint32_t lastSentMark);
void solicitAck();
//extra methods required for assuming client role
void attached(const framing::Uuid& sessionId, uint32_t detachedLifetime);
void detached();
void assertAttached(const char* method) const;
void assertActive(const char* method) const;
void assertClosed(const char* method) const;
PreviewConnection& connection;
framing::ChannelHandler channel;
framing::AMQP_ClientProxy proxy;
framing::AMQP_ClientProxy::Session peerSession;
bool ignoring;
std::auto_ptr<PreviewSessionState> session;
};
}} // namespace qpid::broker
#endif /*!QPID_BROKER_SESSIONHANDLER_H*/
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