| #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*/ |