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// **********************************************************************
//
// Copyright (c) 2003-2014 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef ICE_CONNECTION_FACTORY_H
#define ICE_CONNECTION_FACTORY_H
#include <IceUtil/Mutex.h>
#include <IceUtil/Monitor.h>
#include <Ice/CommunicatorF.h>
#include <Ice/ConnectionFactoryF.h>
#include <Ice/ConnectionI.h>
#include <Ice/InstanceF.h>
#include <Ice/ObjectAdapterF.h>
#include <Ice/EndpointIF.h>
#include <Ice/Endpoint.h>
#include <Ice/ConnectorF.h>
#include <Ice/AcceptorF.h>
#include <Ice/TransceiverF.h>
#include <Ice/RouterInfoF.h>
#include <Ice/EventHandler.h>
#include <Ice/EndpointI.h>
#include <Ice/InstrumentationF.h>
#include <Ice/ACMF.h>
#include <list>
#include <set>
namespace Ice
{
class LocalException;
class ObjectAdapterI;
typedef IceUtil::Handle<ObjectAdapterI> ObjectAdapterIPtr;
}
namespace IceInternal
{
class OutgoingConnectionFactory : virtual public IceUtil::Shared, public IceUtil::Monitor<IceUtil::Mutex>
{
public:
class CreateConnectionCallback : virtual public IceUtil::Shared
{
public:
virtual void setConnection(const Ice::ConnectionIPtr&, bool) = 0;
virtual void setException(const Ice::LocalException&) = 0;
};
typedef IceUtil::Handle<CreateConnectionCallback> CreateConnectionCallbackPtr;
void destroy();
void updateConnectionObservers();
void waitUntilFinished();
Ice::ConnectionIPtr create(const std::vector<EndpointIPtr>&, bool, Ice::EndpointSelectionType, bool&);
void create(const std::vector<EndpointIPtr>&, bool, Ice::EndpointSelectionType,
const CreateConnectionCallbackPtr&);
void setRouterInfo(const RouterInfoPtr&);
void removeAdapter(const Ice::ObjectAdapterPtr&);
void flushAsyncBatchRequests(const CommunicatorFlushBatchPtr&);
private:
OutgoingConnectionFactory(const Ice::CommunicatorPtr&, const InstancePtr&);
virtual ~OutgoingConnectionFactory();
friend class Instance;
struct ConnectorInfo
{
ConnectorInfo(const ConnectorPtr& c, const EndpointIPtr& e) : connector(c), endpoint(e)
{
}
bool operator==(const ConnectorInfo& other) const;
ConnectorPtr connector;
EndpointIPtr endpoint;
};
class ConnectCallback : public Ice::ConnectionI::StartCallback, public IceInternal::EndpointI_connectors
{
public:
ConnectCallback(const InstancePtr&, const OutgoingConnectionFactoryPtr&, const std::vector<EndpointIPtr>&, bool,
const CreateConnectionCallbackPtr&, Ice::EndpointSelectionType);
virtual void connectionStartCompleted(const Ice::ConnectionIPtr&);
virtual void connectionStartFailed(const Ice::ConnectionIPtr&, const Ice::LocalException&);
virtual void connectors(const std::vector<ConnectorPtr>&);
virtual void exception(const Ice::LocalException&);
void getConnectors();
void nextEndpoint();
void getConnection();
void nextConnector();
void setConnection(const Ice::ConnectionIPtr&, bool);
void setException(const Ice::LocalException&);
bool hasConnector(const ConnectorInfo&);
bool removeConnectors(const std::vector<ConnectorInfo>&);
void removeFromPending();
bool operator<(const ConnectCallback&) const;
private:
const InstancePtr _instance;
const OutgoingConnectionFactoryPtr _factory;
const std::vector<EndpointIPtr> _endpoints;
const bool _hasMore;
const CreateConnectionCallbackPtr _callback;
const Ice::EndpointSelectionType _selType;
Ice::Instrumentation::ObserverPtr _observer;
std::vector<EndpointIPtr>::const_iterator _endpointsIter;
std::vector<ConnectorInfo> _connectors;
std::vector<ConnectorInfo>::const_iterator _iter;
};
typedef IceUtil::Handle<ConnectCallback> ConnectCallbackPtr;
friend class ConnectCallback;
std::vector<EndpointIPtr> applyOverrides(const std::vector<EndpointIPtr>&);
Ice::ConnectionIPtr findConnection(const std::vector<EndpointIPtr>&, bool&);
void incPendingConnectCount();
void decPendingConnectCount();
Ice::ConnectionIPtr getConnection(const std::vector<ConnectorInfo>&, const ConnectCallbackPtr&, bool&);
void finishGetConnection(const std::vector<ConnectorInfo>&, const ConnectorInfo&, const Ice::ConnectionIPtr&,
const ConnectCallbackPtr&);
void finishGetConnection(const std::vector<ConnectorInfo>&, const Ice::LocalException&, const ConnectCallbackPtr&);
bool addToPending(const ConnectCallbackPtr&, const std::vector<ConnectorInfo>&);
void removeFromPending(const ConnectCallbackPtr&, const std::vector<ConnectorInfo>&);
Ice::ConnectionIPtr findConnection(const std::vector<ConnectorInfo>&, bool&);
Ice::ConnectionIPtr createConnection(const TransceiverPtr&, const ConnectorInfo&);
void handleException(const Ice::LocalException&, bool);
void handleConnectionException(const Ice::LocalException&, bool);
Ice::CommunicatorPtr _communicator;
const InstancePtr _instance;
const FactoryACMMonitorPtr _monitor;
bool _destroyed;
std::multimap<ConnectorPtr, Ice::ConnectionIPtr> _connections;
std::map<ConnectorPtr, std::set<ConnectCallbackPtr> > _pending;
std::multimap<EndpointIPtr, Ice::ConnectionIPtr> _connectionsByEndpoint;
int _pendingConnectCount;
};
class IncomingConnectionFactory : public EventHandler,
public Ice::ConnectionI::StartCallback,
public IceUtil::Monitor<IceUtil::Mutex>
{
public:
void activate();
void hold();
void destroy();
void updateConnectionObservers();
void waitUntilHolding() const;
void waitUntilFinished();
EndpointIPtr endpoint() const;
std::list<Ice::ConnectionIPtr> connections() const;
void flushAsyncBatchRequests(const CommunicatorFlushBatchPtr&);
//
// Operations from EventHandler
//
#if defined(ICE_USE_IOCP) || defined(ICE_OS_WINRT)
virtual bool startAsync(SocketOperation);
virtual bool finishAsync(SocketOperation);
#endif
virtual void message(ThreadPoolCurrent&);
virtual void finished(ThreadPoolCurrent&, bool);
virtual std::string toString() const;
virtual NativeInfoPtr getNativeInfo();
virtual void connectionStartCompleted(const Ice::ConnectionIPtr&);
virtual void connectionStartFailed(const Ice::ConnectionIPtr&, const Ice::LocalException&);
private:
IncomingConnectionFactory(const InstancePtr&, const EndpointIPtr&, const Ice::ObjectAdapterIPtr&);
void initialize(const std::string&);
virtual ~IncomingConnectionFactory();
friend class Ice::ObjectAdapterI;
enum State
{
StateActive,
StateHolding,
StateClosed,
StateFinished
};
void setState(State);
void closeAcceptor(bool);
const InstancePtr _instance;
const FactoryACMMonitorPtr _monitor;
const AcceptorPtr _acceptor;
const TransceiverPtr _transceiver;
const EndpointIPtr _endpoint;
Ice::ObjectAdapterIPtr _adapter;
const bool _warn;
std::set<Ice::ConnectionIPtr> _connections;
State _state;
};
}
#endif
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