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// **********************************************************************
//
// Copyright (c) 2003-2005 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 <Ice/OutgoingAsync.h> // for Ice::AMI_Object_ice_invoke
#include <IceStorm/TwowayProxy.h>
using namespace std;
IceStorm::TwowayProxy::TwowayProxy(const Ice::ObjectPrx& obj) :
_obj(obj)
{
}
Ice::ObjectPrx
IceStorm::TwowayProxy::proxy() const
{
return _obj;
}
class UnorderedInvokeCB : public Ice::AMI_Object_ice_invoke
{
public:
UnorderedInvokeCB(const IceStorm::UnorderedTwowayProxyPtr& proxy) : _proxy(proxy)
{
}
~UnorderedInvokeCB()
{
}
virtual void
ice_response(bool, const std::vector<Ice::Byte>&)
{
}
virtual void
ice_exception(const Ice::Exception& ex)
{
try
{
ex.ice_throw();
}
catch(const Ice::LocalException& ex)
{
_proxy->exception(ex);
}
}
private:
const IceStorm::UnorderedTwowayProxyPtr _proxy;
};
IceStorm::UnorderedTwowayProxy::UnorderedTwowayProxy(const Ice::ObjectPrx& obj) :
TwowayProxy(obj)
{
}
void
IceStorm::UnorderedTwowayProxy::exception(const Ice::LocalException& ex)
{
IceUtil::Mutex::Lock sync(_mutex);
_exception.reset(dynamic_cast<Ice::LocalException*>(ex.ice_clone()));
}
void
IceStorm::UnorderedTwowayProxy::deliver(const vector<EventPtr>& v)
{
//
// TODO: Use a buffer of AMI callback objects to eliminate the dynamic memory allocation?
//
for(vector<EventPtr>::const_iterator p = v.begin(); p != v.end(); ++p)
{
_obj->ice_invoke_async(new UnorderedInvokeCB(this), (*p)->op, (*p)->mode, (*p)->data, (*p)->context);
}
}
class OrderedInvokeCB : public Ice::AMI_Object_ice_invoke
{
public:
OrderedInvokeCB(const IceStorm::OrderedTwowayProxyPtr& proxy) : _proxy(proxy)
{
}
~OrderedInvokeCB()
{
}
virtual void
ice_response(bool, const std::vector<Ice::Byte>&)
{
_proxy->response();
}
virtual void
ice_exception(const Ice::Exception& ex)
{
try
{
ex.ice_throw();
}
catch(const Ice::LocalException& ex)
{
_proxy->exception(ex);
}
}
private:
const IceStorm::OrderedTwowayProxyPtr _proxy;
};
IceStorm::OrderedTwowayProxy::OrderedTwowayProxy(const Ice::ObjectPrx& obj) :
TwowayProxy(obj)
{
}
void
IceStorm::OrderedTwowayProxy::publish(const EventPtr& event)
{
EventPtr e;
{
IceUtil::Mutex::Lock sync(_mutex);
if(_exception.get())
{
_exception->ice_throw();
}
_events.push_back(event);
if(_busy)
{
return;
}
e = _events.front();
_events.erase(_events.begin());
_busy = true;
}
try
{
assert(e);
vector<EventPtr> events;
events.push_back(e);
deliver(events);
}
catch(const Ice::LocalException& ex)
{
exception(ex);
throw;
}
}
void
IceStorm::OrderedTwowayProxy::exception(const Ice::LocalException& ex)
{
IceUtil::Mutex::Lock sync(_mutex);
assert(!_exception.get() && _busy);
_busy = false;
_exception.reset(dynamic_cast<Ice::LocalException*>(ex.ice_clone()));
}
void
IceStorm::OrderedTwowayProxy::response()
{
EventPtr event;
{
IceUtil::Mutex::Lock sync(_mutex);
assert(!_exception.get() && _busy);
if(_events.empty())
{
_busy = false;
return;
}
event = _events.front();
_events.erase(_events.begin());
}
try
{
assert(event);
vector<EventPtr> events;
events.push_back(event);
deliver(events);
}
catch(const Ice::LocalException& ex)
{
exception(ex);
}
}
void
IceStorm::OrderedTwowayProxy::deliver(const vector<EventPtr>& v)
{
//
// Should only ever be called with a queue of length 1 (should
// only be called by methods local to OrderedTwowayProxy).
//
assert(v.size() == 1);
//
// TODO: Use a buffer of AMI callback objects to eliminate the
// dynamic memory allocation? (we could actually use only 2 AMI
// callback objects there.)
//
for(vector<EventPtr>::const_iterator p = v.begin(); p != v.end(); ++p)
{
_obj->ice_invoke_async(new OrderedInvokeCB(this), (*p)->op, (*p)->mode, (*p)->data, (*p)->context);
}
}
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