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// **********************************************************************
//
// Copyright (c) 2002
// ZeroC, Inc.
// Billerica, MA, USA
//
// All Rights Reserved.
//
// Ice is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License version 2 as published by
// the Free Software Foundation.
//
// **********************************************************************
#ifndef ICE_CONNECTION_H
#define ICE_CONNECTION_H
#include <IceUtil/RecMutex.h>
#include <IceUtil/Monitor.h>
#include <IceUtil/Time.h>
#include <Ice/ConnectionF.h>
#include <Ice/ConnectionFactoryF.h>
#include <Ice/InstanceF.h>
#include <Ice/TransceiverF.h>
#include <Ice/ObjectAdapterF.h>
#include <Ice/ServantManagerF.h>
#include <Ice/EndpointF.h>
#include <Ice/LoggerF.h>
#include <Ice/TraceLevelsF.h>
#include <Ice/OutgoingAsyncF.h>
#include <Ice/EventHandler.h>
namespace Ice
{
class LocalException;
}
namespace IceInternal
{
class Outgoing;
class Connection : public EventHandler, public IceUtil::Monitor<IceUtil::RecMutex>
{
public:
void activate();
void hold();
enum DestructionReason
{
ObjectAdapterDeactivated,
CommunicatorDestroyed
};
void destroy(DestructionReason);
bool isDestroyed() const;
bool isFinished() const;
void waitUntilHolding() const;
void waitUntilFinished() const;
void monitor();
void validate();
void incProxyCount();
void decProxyCount();
void prepareRequest(BasicStream*);
void sendRequest(Outgoing*, bool);
void sendAsyncRequest(const OutgoingAsyncPtr&);
void prepareBatchRequest(BasicStream*);
void finishBatchRequest(BasicStream*);
void abortBatchRequest();
void flushBatchRequest();
void sendResponse(BasicStream*);
void sendNoResponse();
int timeout() const;
EndpointPtr endpoint() const;
void setAdapter(const Ice::ObjectAdapterPtr&);
Ice::ObjectAdapterPtr getAdapter() const;
//
// Operations from EventHandler
//
virtual bool readable() const;
virtual void read(BasicStream&);
virtual void message(BasicStream&, const ThreadPoolPtr&);
virtual void finished(const ThreadPoolPtr&);
virtual void exception(const Ice::LocalException&);
virtual std::string toString() const;
//
// Compare endpoints for sorting purposes.
//
virtual bool operator==(const Connection&) const;
virtual bool operator!=(const Connection&) const;
virtual bool operator<(const Connection&) const;
private:
Connection(const InstancePtr&, const TransceiverPtr&, const EndpointPtr&, const Ice::ObjectAdapterPtr&);
virtual ~Connection();
friend class IncomingConnectionFactory;
friend class OutgoingConnectionFactory;
enum State
{
StateNotValidated,
StateActive,
StateHolding,
StateClosing,
StateClosed
};
void setState(State, const Ice::LocalException&);
void setState(State);
void initiateShutdown() const;
void registerWithPool();
void unregisterWithPool();
static void doCompress(BasicStream&, BasicStream&);
static void doUncompress(BasicStream&, BasicStream&);
TransceiverPtr _transceiver;
const EndpointPtr _endpoint;
Ice::ObjectAdapterPtr _adapter;
ServantManagerPtr _servantManager;
const Ice::LoggerPtr _logger;
const TraceLevelsPtr _traceLevels;
bool _registeredWithPool;
bool _warn;
int _acmTimeout;
IceUtil::Time _acmAbsoluteTimeout;
const std::vector<Ice::Byte> _requestHdr;
const std::vector<Ice::Byte> _requestBatchHdr;
const std::vector<Ice::Byte> _replyHdr;
Ice::Int _nextRequestId;
std::map<Ice::Int, Outgoing*> _requests;
std::map<Ice::Int, Outgoing*>::iterator _requestsHint;
std::map<Ice::Int, OutgoingAsyncPtr> _asyncRequests;
std::map<Ice::Int, OutgoingAsyncPtr>::iterator _asyncRequestsHint;
std::auto_ptr<Ice::LocalException> _exception;
BasicStream _batchStream;
int _batchRequestNum;
int _dispatchCount; // The number of requests currently being dispatched.
int _proxyCount; // The number of proxies using this connection.
State _state;
};
}
#endif
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