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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 _ConnectionHandler_
#define _ConnectionHandler_
#include "qpid/client/ChainableFrameHandler.h"
#include "qpid/client/ConnectionSettings.h"
#include "qpid/client/Sasl.h"
#include "qpid/client/StateManager.h"
#include "qpid/framing/AMQMethodBody.h"
#include "qpid/framing/AMQP_HighestVersion.h"
#include "qpid/framing/AMQP_ClientOperations.h"
#include "qpid/framing/AMQP_ServerProxy.h"
#include "qpid/framing/Array.h"
#include "qpid/framing/enum.h"
#include "qpid/framing/FieldTable.h"
#include "qpid/framing/FrameHandler.h"
#include "qpid/framing/InputHandler.h"
#include "qpid/sys/SecurityLayer.h"
#include "qpid/sys/Timer.h"
#include "qpid/Url.h"
#include <memory>
namespace qpid {
namespace client {
class ConnectionHandler : private StateManager,
public ConnectionSettings,
public ChainableFrameHandler,
public framing::InputHandler,
private framing::AMQP_ClientOperations::ConnectionHandler
{
typedef framing::AMQP_ClientOperations::ConnectionHandler ConnectionOperations;
enum STATES {NOT_STARTED, NEGOTIATING, OPENING, OPEN, CLOSING, CLOSED, FAILED};
std::set<int> ESTABLISHED, FINISHED;
class Adapter : public framing::FrameHandler
{
ConnectionHandler& handler;
public:
Adapter(ConnectionHandler& h) : handler(h) {}
void handle(framing::AMQFrame& f) { handler.out(f); }
};
Adapter outHandler;
framing::AMQP_ServerProxy::Connection proxy;
framing::connection::CloseCode errorCode;
std::string errorText;
bool insist;
framing::ProtocolVersion version;
framing::Array capabilities;
framing::FieldTable properties;
std::auto_ptr<Sasl> sasl;
std::auto_ptr<qpid::sys::SecurityLayer> securityLayer;
boost::intrusive_ptr<qpid::sys::TimerTask> rcvTimeoutTask;
void checkState(STATES s, const std::string& msg);
//methods corresponding to connection controls:
void start(const framing::FieldTable& serverProperties,
const framing::Array& mechanisms,
const framing::Array& locales);
void secure(const std::string& challenge);
void tune(uint16_t channelMax,
uint16_t frameMax,
uint16_t heartbeatMin,
uint16_t heartbeatMax);
void openOk(const framing::Array& knownHosts);
void redirect(const std::string& host,
const framing::Array& knownHosts);
void close(uint16_t replyCode, const std::string& replyText);
void closeOk();
void heartbeat();
public:
using InputHandler::handle;
typedef boost::function<void()> CloseListener;
typedef boost::function<void(uint16_t, const std::string&)> ErrorListener;
ConnectionHandler(const ConnectionSettings&, framing::ProtocolVersion&);
void received(framing::AMQFrame& f) { incoming(f); }
void incoming(framing::AMQFrame& frame);
void outgoing(framing::AMQFrame& frame);
void waitForOpen();
void close();
void fail(const std::string& message);
// Note that open and closed aren't related by open = !closed
bool isOpen() const;
bool isClosed() const;
bool isClosing() const;
std::auto_ptr<qpid::sys::SecurityLayer> getSecurityLayer();
void setRcvTimeoutTask(boost::intrusive_ptr<qpid::sys::TimerTask>);
CloseListener onClose;
ErrorListener onError;
std::vector<Url> knownBrokersUrls;
static framing::connection::CloseCode convert(uint16_t replyCode);
};
}}
#endif
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