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#ifndef QPID_BROKER_SESSION_H
#define QPID_BROKER_SESSION_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/Uuid.h"
#include "qpid/framing/FrameHandler.h"
#include "qpid/framing/ProtocolVersion.h"
#include "qpid/sys/Time.h"
#include <boost/ptr_container/ptr_vector.hpp>
#include <boost/noncopyable.hpp>
#include <set>
#include <vector>
#include <ostream>
namespace qpid {
namespace framing {
class AMQP_ClientProxy;
}
namespace broker {
class SessionHandler;
class SessionManager;
class Broker;
class Connection;
/**
* State of a session.
*
* An attached session has a SessionHandler which is attached to a
* connection. A suspended session has no handler.
*
* A SessionState is always associated with an open session (attached or
* suspended) it is destroyed when the session is closed.
*
* The SessionState includes the sessions handler chains, which may
* themselves have state. The handlers will be preserved as long as
* the session is alive.
*/
class SessionState : public framing::FrameHandler::Chains,
private boost::noncopyable
{
public:
~SessionState();
bool isAttached() { return handler; }
/** @pre isAttached() */
SessionHandler& getHandler();
/** @pre isAttached() */
framing::AMQP_ClientProxy& getProxy();
/** @pre isAttached() */
Connection& getConnection();
const framing::Uuid& getId() const { return id; }
uint32_t getTimeout() const { return timeout; }
Broker& getBroker() { return broker; }
framing::ProtocolVersion getVersion() const { return version; }
private:
/** Only SessionManager can open sessions */
SessionState(SessionManager& f, SessionHandler& h, uint32_t timeout_);
SessionManager& factory;
SessionHandler* handler;
framing::Uuid id;
uint32_t timeout;
sys::AbsTime expiry; // Used by SessionManager.
Broker& broker;
boost::ptr_vector<framing::FrameHandler> chain;
framing::ProtocolVersion version;
friend class SessionManager;
};
inline std::ostream& operator<<(std::ostream& out, const SessionState& session) {
return out << session.getId();
}
}} // namespace qpid::broker
#endif /*!QPID_BROKER_SESSION_H*/
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