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// **********************************************************************
//
// Copyright (c) 2003-2006 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.
//
// **********************************************************************
#include <IceStorm/OnewaySubscriber.h>
#include <IceStorm/TraceLevels.h>
#include <IceStorm/Event.h>
#include <IceStorm/QueuedProxy.h>
#include <Ice/ObjectAdapter.h>
#include <Ice/LoggerUtil.h>
#include <Ice/Communicator.h>
#include <Ice/LocalException.h>
#ifdef __BCPLUSPLUS__
#include <IceStorm/SubscriberFactory.h>
#endif
using namespace IceStorm;
using namespace std;
namespace IceStorm
{
class PerSubscriberPublisherProxyI : public Ice::BlobjectArray
{
public:
PerSubscriberPublisherProxyI(const SubscriberPtr& subscriber) :
_subscriber(subscriber)
{
}
~PerSubscriberPublisherProxyI()
{
}
virtual bool
ice_invoke(const pair<const Ice::Byte*, const Ice::Byte*>& inParams, vector< Ice::Byte>& outParam,
const Ice::Current& current)
{
const Ice::Context& context = current.ctx;
EventPtr event = new Event;
event->forwarded = false;
Ice::Context::const_iterator p = context.find("cost");
if(p != context.end())
{
event->cost = atoi(p->second.c_str());
}
else
{
event->cost = 0; // TODO: Default comes from property?
}
event->op = current.operation;
event->mode = current.mode;
vector<Ice::Byte>(inParams.first, inParams.second).swap(event->data);
event->context = context;
_subscriber->publish(event);
return true;
}
private:
//
// Set of associated subscribers
//
const SubscriberPtr _subscriber;
};
}
OnewaySubscriber::OnewaySubscriber(const SubscriberFactoryPtr& factory, const Ice::CommunicatorPtr& communicator,
const TraceLevelsPtr& traceLevels, const Ice::ObjectAdapterPtr& adapter,
const QueuedProxyPtr& obj) :
Subscriber(factory, communicator, traceLevels, obj),
_adapter(adapter)
{
}
OnewaySubscriber::~OnewaySubscriber()
{
}
bool
OnewaySubscriber::persistent() const
{
return false;
}
void
OnewaySubscriber::activate()
{
_proxy = _adapter->addWithUUID(new PerSubscriberPublisherProxyI(this));
}
void
OnewaySubscriber::unsubscribe()
{
Subscriber::unsubscribe();
//
// Clear the per-subscriber object.
//
try
{
_adapter->remove(_proxy->ice_getIdentity());
}
catch(const Ice::NotRegisteredException&)
{
// Ignore
}
}
void
OnewaySubscriber::replace()
{
Subscriber::replace();
//
// Clear the per-subscriber object.
//
try
{
_adapter->remove(_proxy->ice_getIdentity());
}
catch(const Ice::NotRegisteredException&)
{
// Ignore
}
}
void
OnewaySubscriber::publish(const EventPtr& event)
{
try
{
_obj->publish(event);
}
catch(const Ice::LocalException& e)
{
IceUtil::Mutex::Lock sync(_stateMutex);
//
// It's possible that the subscriber was unsubscribed, or
// marked invalid by another thread. Don't display a
// diagnostic in this case.
//
if(_state == StateActive)
{
if(_traceLevels->subscriber > 0)
{
Ice::Trace out(_traceLevels->logger, _traceLevels->subscriberCat);
out << _desc << ": publish failed: " << e;
}
_state = StateError;
//
// Clear the per-subscriber object.
//
try
{
_adapter->remove(_proxy->ice_getIdentity());
}
catch(const Ice::NotRegisteredException&)
{
// Ignore
}
}
}
}
Ice::ObjectPrx
OnewaySubscriber::proxy() const
{
assert(_proxy);
return _proxy;
}
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