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// **********************************************************************
//
// Copyright (c) 2003-2017 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_LOCATOR_INFO_H
#define ICE_LOCATOR_INFO_H
#include <IceUtil/Shared.h>
#include <IceUtil/Mutex.h>
#include <IceUtil/Monitor.h>
#include <IceUtil/Time.h>
#include <Ice/LocatorInfoF.h>
#include <Ice/LocatorF.h>
#include <Ice/ReferenceF.h>
#include <Ice/Identity.h>
#include <Ice/EndpointIF.h>
#include <Ice/PropertiesF.h>
#include <Ice/Version.h>
#include <IceUtil/UniquePtr.h>
namespace IceInternal
{
class LocatorManager : public IceUtil::Shared, public IceUtil::Mutex
{
public:
LocatorManager(const Ice::PropertiesPtr&);
void destroy();
//
// Returns locator info for a given locator. Automatically creates
// the locator info if it doesn't exist yet.
//
LocatorInfoPtr get(const Ice::LocatorPrx&);
private:
const bool _background;
std::map<Ice::LocatorPrx, LocatorInfoPtr> _table;
std::map<Ice::LocatorPrx, LocatorInfoPtr>::iterator _tableHint;
std::map<std::pair<Ice::Identity, Ice::EncodingVersion>, LocatorTablePtr> _locatorTables;
};
class LocatorTable : public IceUtil::Shared, public IceUtil::Mutex
{
public:
LocatorTable();
void clear();
bool getAdapterEndpoints(const std::string&, int, ::std::vector<EndpointIPtr>&);
void addAdapterEndpoints(const std::string&, const ::std::vector<EndpointIPtr>&);
::std::vector<EndpointIPtr> removeAdapterEndpoints(const std::string&);
bool getObjectReference(const Ice::Identity&, int, ReferencePtr&);
void addObjectReference(const Ice::Identity&, const ReferencePtr&);
ReferencePtr removeObjectReference(const Ice::Identity&);
private:
bool checkTTL(const IceUtil::Time&, int) const;
std::map<std::string, std::pair<IceUtil::Time, std::vector<EndpointIPtr> > > _adapterEndpointsMap;
std::map<Ice::Identity, std::pair<IceUtil::Time, ReferencePtr> > _objectMap;
};
class LocatorInfo : public IceUtil::Shared, public IceUtil::Mutex
{
public:
class GetEndpointsCallback : virtual public IceUtil::Shared
{
public:
virtual void setEndpoints(const std::vector<EndpointIPtr>&, bool) = 0;
virtual void setException(const Ice::LocalException&) = 0;
};
typedef IceUtil::Handle<GetEndpointsCallback> GetEndpointsCallbackPtr;
class RequestCallback : virtual public IceUtil::Shared
{
public:
RequestCallback(const ReferencePtr&, int, const GetEndpointsCallbackPtr&);
void response(const LocatorInfoPtr&, const Ice::ObjectPrx&);
void exception(const LocatorInfoPtr&, const Ice::Exception&);
private:
const ReferencePtr _ref;
const int _ttl;
const GetEndpointsCallbackPtr _callback;
};
typedef IceUtil::Handle<RequestCallback> RequestCallbackPtr;
class Request : virtual public IceUtil::Shared
{
public:
void addCallback(const ReferencePtr&, const ReferencePtr&, int, const GetEndpointsCallbackPtr&);
std::vector<EndpointIPtr> getEndpoints(const ReferencePtr&, const ReferencePtr&, int, bool&);
void response(const Ice::ObjectPrx&);
void exception(const Ice::Exception&);
protected:
Request(const LocatorInfoPtr&, const ReferencePtr&);
virtual void send() = 0;
const LocatorInfoPtr _locatorInfo;
const ReferencePtr _ref;
private:
IceUtil::Monitor<IceUtil::Mutex> _monitor;
std::vector<RequestCallbackPtr> _callbacks;
std::vector<ReferencePtr> _wellKnownRefs;
bool _sent;
bool _response;
Ice::ObjectPrx _proxy;
IceUtil::UniquePtr<Ice::Exception> _exception;
};
typedef IceUtil::Handle<Request> RequestPtr;
LocatorInfo(const Ice::LocatorPrx&, const LocatorTablePtr&, bool);
void destroy();
bool operator==(const LocatorInfo&) const;
bool operator!=(const LocatorInfo&) const;
bool operator<(const LocatorInfo&) const;
const Ice::LocatorPrx& getLocator() const
{
//
// No mutex lock necessary, _locator is immutable.
//
return _locator;
}
Ice::LocatorRegistryPrx getLocatorRegistry();
std::vector<EndpointIPtr> getEndpoints(const ReferencePtr& ref, int ttl, bool& cached)
{
return getEndpoints(ref, 0, ttl, cached);
}
std::vector<EndpointIPtr> getEndpoints(const ReferencePtr&, const ReferencePtr&, int, bool&);
void getEndpointsWithCallback(const ReferencePtr& ref, int ttl, const GetEndpointsCallbackPtr& cb)
{
getEndpointsWithCallback(ref, 0, ttl, cb);
}
void getEndpointsWithCallback(const ReferencePtr&, const ReferencePtr&, int, const GetEndpointsCallbackPtr&);
void clearCache(const ReferencePtr&);
private:
void getEndpointsException(const ReferencePtr&, const Ice::Exception&);
void getEndpointsTrace(const ReferencePtr&, const std::vector<EndpointIPtr>&, bool);
void trace(const std::string&, const ReferencePtr&, const std::vector<EndpointIPtr>&);
RequestPtr getAdapterRequest(const ReferencePtr&);
RequestPtr getObjectRequest(const ReferencePtr&);
void finishRequest(const ReferencePtr&, const std::vector<ReferencePtr>&, const Ice::ObjectPrx&, bool);
friend class Request;
friend class RequestCallback;
const Ice::LocatorPrx _locator;
Ice::LocatorRegistryPrx _locatorRegistry;
const LocatorTablePtr _table;
const bool _background;
std::map<std::string, RequestPtr> _adapterRequests;
std::map<Ice::Identity, RequestPtr> _objectRequests;
};
}
#endif
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