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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 ICE_OBSERVERHELPER_H
#define ICE_OBSERVERHELPER_H
#include <Ice/Instrumentation.h>
#include <Ice/ProxyF.h>
#include <Ice/InstanceF.h>
namespace IceInternal
{
template<typename T = Ice::Instrumentation::Observer> class ObserverHelperT
{
public:
#ifdef ICE_CPP11_MAPPING
typedef ::std::shared_ptr<T> TPtr;
#else
typedef IceInternal::Handle<T> TPtr;
#endif
ObserverHelperT()
{
}
~ObserverHelperT()
{
if(_observer)
{
_observer->detach();
}
}
operator bool() const
{
return _observer != ICE_NULLPTR;
}
T* operator->() const
{
return _observer.get();
}
void
attach(const TPtr& o)
{
//
// Don't detach the existing observer. The observer is being
// replaced and the observed object is still being observed!
//
// if(_observer)
// {
// _observer->detach();
// }
_observer = o;
if(_observer)
{
_observer->attach();
}
}
#ifdef ICE_CPP11_MAPPING
TPtr get() const
{
return _observer;
}
#else
T* get() const
{
return _observer.get();
}
#endif
void adopt(ObserverHelperT& other)
{
_observer = other._observer;
other._observer = 0;
}
void detach()
{
if(_observer)
{
_observer->detach();
_observer = 0;
}
}
void failed(const std::string& reason)
{
if(_observer)
{
_observer->failed(reason);
}
}
protected:
TPtr _observer;
};
class ICE_API DispatchObserver : public ObserverHelperT<Ice::Instrumentation::DispatchObserver>
{
public:
void userException()
{
if(_observer)
{
_observer->userException();
}
}
void reply(Ice::Int size)
{
if(_observer)
{
_observer->reply(size);
}
}
};
class ICE_API InvocationObserver : public ObserverHelperT<Ice::Instrumentation::InvocationObserver>
{
public:
InvocationObserver(const Ice::ObjectPrxPtr&, const std::string&, const Ice::Context*);
InvocationObserver(Instance*, const std::string&);
InvocationObserver()
{
}
void attach(const Ice::ObjectPrxPtr&, const std::string&, const Ice::Context*);
void attach(Instance*, const std::string&);
void retried()
{
if(_observer)
{
_observer->retried();
}
}
::Ice::Instrumentation::ChildInvocationObserverPtr
getRemoteObserver(const Ice::ConnectionInfoPtr& con, const Ice::EndpointPtr& endpt, int requestId, int size)
{
if(_observer)
{
return _observer->getRemoteObserver(con, endpt, requestId, size);
}
return 0;
}
::Ice::Instrumentation::ChildInvocationObserverPtr
getCollocatedObserver(const Ice::ObjectAdapterPtr& adapter, int requestId, int size)
{
if(_observer)
{
return _observer->getCollocatedObserver(adapter, requestId, size);
}
return 0;
}
void
userException()
{
if(_observer)
{
_observer->userException();
}
}
private:
using ObserverHelperT<Ice::Instrumentation::InvocationObserver>::attach;
};
}
#endif
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