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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 _Connector_
#define _Connector_
#include "qpid/framing/InputHandler.h"
#include "qpid/framing/OutputHandler.h"
#include "qpid/framing/InitiationHandler.h"
#include "qpid/framing/ProtocolInitiation.h"
#include "qpid/framing/ProtocolVersion.h"
#include "qpid/sys/ShutdownHandler.h"
#include "qpid/sys/TimeoutHandler.h"
#include "qpid/sys/Thread.h"
#include "qpid/sys/Runnable.h"
#include "qpid/sys/Mutex.h"
#include "qpid/sys/Socket.h"
#include "qpid/sys/Time.h"
#include <queue>
#include <boost/weak_ptr.hpp>
#include <boost/shared_ptr.hpp>
namespace qpid {
namespace sys {
class Poller;
class AsynchIO;
class AsynchIOBufferBase;
}
namespace client {
class Bounds;
class ConnectionSettings;
class ConnectionImpl;
///@internal
class Connector : public framing::OutputHandler,
private sys::Runnable
{
struct Buff;
/** Batch up frames for writing to aio. */
class Writer : public framing::FrameHandler {
typedef sys::AsynchIOBufferBase BufferBase;
typedef std::vector<framing::AMQFrame> Frames;
const uint16_t maxFrameSize;
sys::Mutex lock;
sys::AsynchIO* aio;
BufferBase* buffer;
Frames frames;
size_t lastEof; // Position after last EOF in frames
framing::Buffer encode;
size_t framesEncoded;
std::string identifier;
Bounds* bounds;
void writeOne(const sys::Mutex::ScopedLock&);
void newBuffer(const sys::Mutex::ScopedLock&);
public:
Writer(uint16_t maxFrameSize, Bounds*);
~Writer();
void init(std::string id, sys::AsynchIO*);
void handle(framing::AMQFrame&);
void write(sys::AsynchIO&);
};
const uint16_t maxFrameSize;
framing::ProtocolVersion version;
bool initiated;
sys::Mutex closedLock;
bool closed;
bool joined;
sys::AbsTime lastIn;
sys::AbsTime lastOut;
sys::Duration timeout;
sys::Duration idleIn;
sys::Duration idleOut;
sys::TimeoutHandler* timeoutHandler;
sys::ShutdownHandler* shutdownHandler;
framing::InputHandler* input;
framing::InitiationHandler* initialiser;
framing::OutputHandler* output;
Writer writer;
sys::Thread receiver;
sys::Socket socket;
sys::AsynchIO* aio;
boost::shared_ptr<sys::Poller> poller;
void run();
void handleClosed();
bool closeInternal();
void readbuff(qpid::sys::AsynchIO&, qpid::sys::AsynchIOBufferBase*);
void writebuff(qpid::sys::AsynchIO&);
void writeDataBlock(const framing::AMQDataBlock& data);
void eof(qpid::sys::AsynchIO&);
std::string identifier;
ConnectionImpl* impl;
public:
Connector(framing::ProtocolVersion pVersion,
const ConnectionSettings&,
ConnectionImpl*);
virtual ~Connector();
virtual void connect(const std::string& host, int port);
virtual void init();
virtual void close();
virtual void setInputHandler(framing::InputHandler* handler);
virtual void setShutdownHandler(sys::ShutdownHandler* handler);
virtual sys::ShutdownHandler* getShutdownHandler() { return shutdownHandler; }
virtual framing::OutputHandler* getOutputHandler();
virtual void send(framing::AMQFrame& frame);
const std::string& getIdentifier() const { return identifier; }
};
}}
#endif
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