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#ifndef QPID_BROKER_SESSIONHANDLER_H
#define QPID_BROKER_SESSIONHANDLER_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/broker/BrokerImportExport.h"
#include "qpid/amqp_0_10/SessionHandler.h"
#include "qpid/broker/SessionHandler.h"
#include "qpid/framing/AMQP_ClientProxy.h"
#include <boost/shared_ptr.hpp>
namespace qpid {
class SessionState;
namespace broker {
namespace amqp_0_10 {
class Connection;
}
class SessionState;
/**
* A SessionHandler is associated with each active channel. It
* receives incoming frames, handles session controls and manages the
* association between the channel and a session.
*/
class SessionHandler : public qpid::amqp_0_10::SessionHandler {
public:
class ErrorListener {
public:
virtual ~ErrorListener() {}
/** Called when there is an outgoing connection-exception */
virtual void connectionException(
framing::connection::CloseCode code, const std::string& msg) = 0;
/** Called when there is an outgoing channel-exception */
virtual void channelException(
framing::session::DetachCode, const std::string& msg) = 0;
/** Called when there is an outgoing execution-exception */
virtual void executionException(
framing::execution::ErrorCode, const std::string& msg) = 0;
/** Called when there is an incoming execution-exception.
* Useful for inter-broker bridges.
*/
virtual void incomingExecutionException(
framing::execution::ErrorCode, const std::string& msg) = 0;
/** Called when it is safe to delete the ErrorListener. */
virtual void detach() = 0;
};
/**
*@param e must not be deleted until ErrorListener::detach has been called */
SessionHandler(amqp_0_10::Connection&, framing::ChannelId);
~SessionHandler();
/** Get broker::SessionState */
SessionState* getSession() { return session.get(); }
const SessionState* getSession() const { return session.get(); }
QPID_BROKER_EXTERN amqp_0_10::Connection& getConnection();
QPID_BROKER_EXTERN const amqp_0_10::Connection& getConnection() const;
framing::AMQP_ClientProxy& getProxy() { return proxy; }
const framing::AMQP_ClientProxy& getProxy() const { return proxy; }
virtual void handleDetach();
void attached(const std::string& name);//used by 'pushing' inter-broker bridges
void attachAs(const std::string& name);//used by 'pulling' inter-broker bridges
QPID_BROKER_EXTERN void setErrorListener(boost::shared_ptr<ErrorListener> e) { errorListener = e; }
// Called by SessionAdapter
void incomingExecutionException(framing::execution::ErrorCode, const std::string& msg);
protected:
void setState(const std::string& sessionName, bool force);
qpid::SessionState* getState();
framing::FrameHandler* getInHandler();
void connectionException(framing::connection::CloseCode code, const std::string& msg);
void channelException(framing::session::DetachCode, const std::string& msg);
void executionException(framing::execution::ErrorCode, const std::string& msg);
void detaching();
void readyToSend();
private:
struct SetChannelProxy : public framing::AMQP_ClientProxy { // Proxy that sets the channel.
framing::ChannelHandler setChannel;
SetChannelProxy(uint16_t ch, framing::FrameHandler* out)
: framing::AMQP_ClientProxy(setChannel), setChannel(ch, out) {}
};
amqp_0_10::Connection& connection;
framing::AMQP_ClientProxy proxy;
std::auto_ptr<SessionState> session;
boost::shared_ptr<ErrorListener> errorListener;
};
}} // namespace qpid::broker
#endif /*!QPID_BROKER_SESSIONHANDLER_H*/
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