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// **********************************************************************
//
// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
//
// This copy of Ice-E is licensed to you under the terms described in the
// ICEE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef ICEE_REFERENCE_H
#define ICEE_REFERENCE_H
#include <IceE/ReferenceF.h>
#include <IceE/EndpointF.h>
#include <IceE/InstanceF.h>
#include <IceE/CommunicatorF.h>
#ifdef ICEE_HAS_ROUTER
# include <IceE/RouterInfoF.h>
# include <IceE/RouterF.h>
#endif
#ifdef ICEE_HAS_LOCATOR
# include <IceE/LocatorInfoF.h>
# include <IceE/LocatorF.h>
#endif
#include <IceE/ConnectionF.h>
#include <IceE/Shared.h>
#include <IceE/RecMutex.h>
#include <IceE/Identity.h>
namespace IceInternal
{
class BasicStream;
class Reference : public IceUtil::Shared
{
public:
enum Type
{
TypeDirect,
TypeIndirect,
TypeFixed
};
//
// The reference mode in Ice-E is defined in ReferenceF.h to allow the proxy
// to inline methods such as ice_twoway, ice_isTwoway, etc.
//
// enum Mode
// {
// ModeTwoway,
// ModeOneway,
// ModeBatchOneway,
// ModeDatagram,
// ModeBatchDatagram,
// ModeLast = ModeBatchDatagram
// };
ReferenceMode getMode() const { return _mode; }
bool getSecure() const { return _secure; };
const Ice::Identity& getIdentity() const { return _identity; }
const std::string& getFacet() const { return _facet; }
const InstancePtr& getInstance() const { return _instance; }
const Ice::Context* getContext() const { return &_context; }
Ice::CommunicatorPtr getCommunicator() const;
virtual Type getType() const = 0;
virtual std::vector<EndpointPtr> getEndpoints() const = 0;
#ifdef ICEE_HAS_ROUTER
virtual RouterInfoPtr getRouterInfo() const { return 0; }
#endif
#ifdef ICEE_HAS_LOCATOR
virtual std::string getAdapterId() const = 0;
virtual LocatorInfoPtr getLocatorInfo() const { return 0; }
#endif
//
// The change* methods (here and in derived classes) create
// a new reference based on the existing one, with the
// corresponding value changed.
//
ReferencePtr changeContext(const Ice::Context&) const;
ReferencePtr changeMode(ReferenceMode) const;
ReferencePtr changeSecure(bool) const;
ReferencePtr changeIdentity(const Ice::Identity&) const;
ReferencePtr changeFacet(const std::string&) const;
#ifdef ICEE_HAS_ROUTER
virtual ReferencePtr changeRouter(const Ice::RouterPrx&) const = 0;
#endif
#ifdef ICEE_HAS_LOCATOR
virtual ReferencePtr changeAdapterId(const std::string&) const = 0;
virtual ReferencePtr changeLocator(const Ice::LocatorPrx&) const = 0;
#endif
virtual ReferencePtr changeTimeout(int) const;
int hash() const; // Conceptually const.
//
// Marshal the reference.
//
virtual void streamWrite(BasicStream*) const;
//
// Convert the reference to its string form.
//
virtual std::string toString() const;
//
// Get a suitable connection for this reference.
//
virtual Ice::ConnectionPtr getConnection() const = 0;
virtual bool operator==(const Reference&) const = 0;
virtual bool operator<(const Reference&) const = 0;
virtual ReferencePtr clone() const = 0;
protected:
Reference(const InstancePtr&, const Ice::CommunicatorPtr&, const Ice::Identity&, const Ice::Context&,
const std::string&, ReferenceMode, bool);
Reference(const Reference&);
void applyOverrides(std::vector<EndpointPtr>&) const;
IceUtil::RecMutex _hashMutex; // For lazy initialization of hash value.
mutable Ice::Int _hashValue;
mutable bool _hashInitialized;
private:
const InstancePtr _instance;
const Ice::CommunicatorPtr _communicator;
ReferenceMode _mode;
bool _secure;
Ice::Identity _identity;
Ice::Context _context;
std::string _facet;
//
// NOTE: The override timeout should theoritically be in
// RoutableReference. However, since RoutableReference is only
// defined if the ICEE_HAS_ROUTER macro is defined, it would also
// have to be conditionally defined here. To simplify, we just
// define it here.
//
bool _overrideTimeout;
int _timeout; // Only used if _overrideTimeout == true
};
class FixedReference : public Reference
{
public:
FixedReference(const InstancePtr&, const Ice::CommunicatorPtr&, const Ice::Identity&, const Ice::Context&,
const std::string&, ReferenceMode, const std::vector<Ice::ConnectionPtr>&);
virtual Type getType() const;
virtual std::vector<EndpointPtr> getEndpoints() const;
#ifdef ICEE_HAS_ROUTER
virtual ReferencePtr changeRouter(const Ice::RouterPrx&) const;
#endif
#ifdef ICEE_HAS_LOCATOR
virtual std::string getAdapterId() const;
virtual ReferencePtr changeAdapterId(const std::string&) const;
virtual ReferencePtr changeLocator(const Ice::LocatorPrx&) const;
#endif
virtual ReferencePtr changeTimeout(int) const;
virtual void streamWrite(BasicStream*) const;
virtual std::string toString() const;
virtual Ice::ConnectionPtr getConnection() const;
virtual bool operator==(const Reference&) const;
virtual bool operator<(const Reference&) const;
virtual ReferencePtr clone() const;
protected:
FixedReference(const FixedReference&);
private:
std::vector<Ice::ConnectionPtr> _fixedConnections;
};
#ifdef ICEE_HAS_ROUTER
class RoutableReference : public Reference
{
public:
virtual RouterInfoPtr getRouterInfo() const { return _routerInfo; }
std::vector<EndpointPtr> getRoutedEndpoints() const;
virtual ReferencePtr changeRouter(const Ice::RouterPrx&) const;
virtual Ice::ConnectionPtr getConnection() const = 0;
int hash() const; // Conceptually const.
virtual bool operator==(const Reference&) const = 0;
virtual bool operator<(const Reference&) const = 0;
virtual ReferencePtr clone() const = 0;
protected:
RoutableReference(const InstancePtr&, const Ice::CommunicatorPtr&, const Ice::Identity&, const Ice::Context&,
const std::string&, ReferenceMode, bool, const RouterInfoPtr&);
RoutableReference(const RoutableReference&);
private:
RouterInfoPtr _routerInfo; // Null if no router is used.
};
#endif
class DirectReference :
#ifdef ICEE_HAS_ROUTER
public RoutableReference
#else
public Reference
#endif
{
public:
DirectReference(const InstancePtr&, const Ice::CommunicatorPtr&, const Ice::Identity&, const Ice::Context&,
const std::string&, ReferenceMode, bool, const std::vector<EndpointPtr>&
#ifdef ICEE_HAS_ROUTER
, const RouterInfoPtr&
#endif
);
virtual Type getType() const;
virtual std::vector<EndpointPtr> getEndpoints() const;
#ifdef ICEE_HAS_LOCATOR
virtual std::string getAdapterId() const;
virtual ReferencePtr changeAdapterId(const std::string&) const;
virtual ReferencePtr changeLocator(const Ice::LocatorPrx&) const;
#endif
virtual ReferencePtr changeTimeout(int) const;
virtual void streamWrite(BasicStream*) const;
virtual std::string toString() const;
virtual Ice::ConnectionPtr getConnection() const;
virtual bool operator==(const Reference&) const;
virtual bool operator<(const Reference&) const;
virtual ReferencePtr clone() const;
protected:
DirectReference(const DirectReference&);
private:
std::vector<EndpointPtr> _endpoints;
#ifdef ICEE_HAS_ROUTER
typedef RoutableReference Parent;
#else
typedef Reference Parent;
#endif
};
#ifdef ICEE_HAS_LOCATOR
class IndirectReference :
#ifdef ICEE_HAS_ROUTER
public RoutableReference
#else
public Reference
#endif
{
public:
IndirectReference(const InstancePtr&, const Ice::CommunicatorPtr&, const Ice::Identity&, const Ice::Context&,
const std::string&, ReferenceMode, bool, const std::string&
#ifdef ICEE_HAS_ROUTER
, const RouterInfoPtr&
#endif
, const LocatorInfoPtr&);
virtual LocatorInfoPtr getLocatorInfo() const { return _locatorInfo; }
virtual Type getType() const;
virtual std::vector<EndpointPtr> getEndpoints() const;
virtual std::string getAdapterId() const;
virtual ReferencePtr changeAdapterId(const std::string&) const;
virtual ReferencePtr changeLocator(const Ice::LocatorPrx&) const;
virtual void streamWrite(BasicStream*) const;
virtual std::string toString() const;
virtual Ice::ConnectionPtr getConnection() const;
int hash() const; // Conceptually const.
virtual bool operator==(const Reference&) const;
virtual bool operator<(const Reference&) const;
virtual ReferencePtr clone() const;
protected:
IndirectReference(const IndirectReference&);
private:
std::string _adapterId;
LocatorInfoPtr _locatorInfo;
#ifdef ICEE_HAS_ROUTER
typedef RoutableReference Parent;
#else
typedef Reference Parent;
#endif
};
#endif // ICEE_HAS_LOCATOR
std::vector<EndpointPtr> filterEndpoints(const std::vector<EndpointPtr>&, ReferenceMode, bool);
}
#endif
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