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// **********************************************************************
//
// Copyright (c) 2003-2015 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 LOOKUPI_H
#define LOOKUPI_H
#include <IceDiscovery/IceDiscovery.h>
#include <IceDiscovery/LocatorI.h>
#include <IceUtil/Timer.h>
#include <Ice/Properties.h>
#include <Ice/VirtualShared.h>
namespace IceDiscovery
{
class LookupI;
#ifdef ICE_CPP11_MAPPING
template<class T> class Request : public IceUtil::TimerTask
{
public:
Request(std::shared_ptr<LookupI> lookup, const T& id, int retryCount) :
_lookup(lookup),
_id(id),
_nRetry(retryCount)
{
}
T getId() const
{
return _id;
}
virtual bool retry()
{
return --_nRetry >= 0;
}
bool addCallback(std::function<void (const std::shared_ptr<::Ice::ObjectPrx>&)> cb)
{
_callbacks.push_back(cb);
return _callbacks.size() == 1;
}
virtual void finished(const Ice::ObjectPrxPtr& proxy)
{
for(auto cb : _callbacks)
{
cb(proxy);
}
_callbacks.clear();
}
protected:
LookupIPtr _lookup;
const T _id;
int _nRetry;
std::vector<std::function<void (const std::shared_ptr<::Ice::ObjectPrx>&)>> _callbacks;
};
class ObjectRequest : public Request<Ice::Identity>, public Ice::EnableSharedFromThis<ObjectRequest>
{
public:
ObjectRequest(const std::shared_ptr<LookupI>& lookup, const Ice::Identity& id, int retryCount) :
Request<Ice::Identity>(lookup, id, retryCount)
{
}
void response(const std::shared_ptr<Ice::ObjectPrx>&);
private:
virtual void runTimerTask();
};
typedef std::shared_ptr<ObjectRequest> ObjectRequestPtr;
class AdapterRequest : public Request<std::string>, public Ice::EnableSharedFromThis<AdapterRequest>
{
public:
AdapterRequest(std::shared_ptr<LookupI> lookup, const std::string& adapterId, int retryCount) :
Request<std::string>(lookup, adapterId, retryCount),
_start(IceUtil::Time::now())
{
}
bool response(const std::shared_ptr<Ice::ObjectPrx>&, bool);
virtual bool retry();
virtual void finished(const std::shared_ptr<Ice::ObjectPrx>&);
private:
virtual void runTimerTask();
std::vector<Ice::ObjectPrxPtr> _proxies;
IceUtil::Time _start;
IceUtil::Time _latency;
};
typedef std::shared_ptr<AdapterRequest> AdapterRequestPtr;
#else
class Request : public IceUtil::TimerTask
{
public:
Request(const LookupIPtr&, int);
virtual bool retry();
protected:
LookupIPtr _lookup;
int _nRetry;
};
template<class T, class CB> class RequestT : public Request
{
public:
RequestT(LookupI* lookup, T id, int retryCount) : Request(lookup, retryCount), _id(id)
{
}
T getId() const
{
return _id;
}
bool addCallback(CB cb)
{
_callbacks.push_back(cb);
return _callbacks.size() == 1;
}
virtual void finished(const Ice::ObjectPrxPtr& proxy)
{
for(typename std::vector<CB>::const_iterator p = _callbacks.begin(); p != _callbacks.end(); ++p)
{
(*p)->ice_response(proxy);
}
_callbacks.clear();
}
protected:
const T _id;
std::vector<CB> _callbacks;
};
class ObjectRequest : public RequestT<Ice::Identity, Ice::AMD_Locator_findObjectByIdPtr>,
public Ice::EnableSharedFromThis<ObjectRequest>
{
public:
ObjectRequest(LookupI* lookup, const Ice::Identity& id, int retryCount) :
RequestT<Ice::Identity, Ice::AMD_Locator_findObjectByIdPtr>(lookup, id, retryCount)
{
}
void response(const Ice::ObjectPrxPtr&);
private:
virtual void runTimerTask();
};
typedef IceUtil::Handle<ObjectRequest> ObjectRequestPtr;
class AdapterRequest : public RequestT<std::string, Ice::AMD_Locator_findAdapterByIdPtr>, public Ice::EnableSharedFromThis<AdapterRequest>
{
public:
AdapterRequest(LookupI* lookup, const std::string& adapterId, int retryCount) :
RequestT<std::string, Ice::AMD_Locator_findAdapterByIdPtr>(lookup, adapterId, retryCount),
_start(IceUtil::Time::now())
{
}
bool response(const Ice::ObjectPrxPtr&, bool);
virtual bool retry();
virtual void finished(const Ice::ObjectPrxPtr&);
private:
virtual void runTimerTask();
std::vector<Ice::ObjectPrxPtr> _proxies;
IceUtil::Time _start;
IceUtil::Time _latency;
};
typedef IceUtil::Handle<AdapterRequest> AdapterRequestPtr;
#endif
class LookupI : public Lookup,
private IceUtil::Mutex,
public Ice::EnableSharedFromThis<LookupI>
{
public:
LookupI(const LocatorRegistryIPtr&, const LookupPrxPtr&, const Ice::PropertiesPtr&);
virtual ~LookupI();
void destroy();
void setLookupReply(const LookupReplyPrxPtr&);
#ifdef ICE_CPP11_MAPPING
virtual void findObjectById(std::string,
Ice::Identity,
::std::shared_ptr<IceDiscovery::LookupReplyPrx>,
const Ice::Current&);
virtual void findAdapterById(std::string, std::string, ::std::shared_ptr<IceDiscovery::LookupReplyPrx>,
const Ice::Current&);
void findObject(std::function<void (const std::shared_ptr<Ice::ObjectPrx>&)>, const Ice::Identity&);
void findAdapter(std::function<void (const std::shared_ptr<Ice::ObjectPrx>&)>, const std::string&);
#else
virtual void findObjectById(const std::string&, const Ice::Identity&, const IceDiscovery::LookupReplyPrx&,
const Ice::Current&);
virtual void findAdapterById(const std::string&, const std::string&, const IceDiscovery::LookupReplyPrx&,
const Ice::Current&);
void findObject(const Ice::AMD_Locator_findObjectByIdPtr&, const Ice::Identity&);
void findAdapter(const Ice::AMD_Locator_findAdapterByIdPtr&, const std::string&);
#endif
void foundObject(const Ice::Identity&, const Ice::ObjectPrxPtr&);
void foundAdapter(const std::string&, const Ice::ObjectPrxPtr&, bool);
void adapterRequestTimedOut(const AdapterRequestPtr&);
void objectRequestTimedOut(const ObjectRequestPtr&);
const IceUtil::TimerPtr&
timer()
{
return _timer;
}
int
latencyMultiplier()
{
return _latencyMultiplier;
}
private:
LocatorRegistryIPtr _registry;
const LookupPrxPtr _lookup;
LookupReplyPrxPtr _lookupReply;
const IceUtil::Time _timeout;
const int _retryCount;
const int _latencyMultiplier;
const std::string _domainId;
IceUtil::TimerPtr _timer;
Ice::ObjectPrxPtr _wellKnownProxy;
std::map<Ice::Identity, ObjectRequestPtr> _objectRequests;
std::map<std::string, AdapterRequestPtr> _adapterRequests;
};
class LookupReplyI : public LookupReply
{
public:
LookupReplyI(const LookupIPtr&);
#ifdef ICE_CPP11_MAPPING
virtual void foundObjectById(Ice::Identity, std::shared_ptr<Ice::ObjectPrx>, const Ice::Current&);
virtual void foundAdapterById(std::string, std::shared_ptr<Ice::ObjectPrx>, bool, const Ice::Current&);
#else
virtual void foundObjectById(const Ice::Identity&, const Ice::ObjectPrx&, const Ice::Current&);
virtual void foundAdapterById(const std::string&, const Ice::ObjectPrx&, bool, const Ice::Current&);
#endif
private:
const LookupIPtr _lookup;
};
};
#endif
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