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// **********************************************************************
//
// Copyright (c) 2003-2007 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 <QueueI.h>
using namespace std;
void
QueueI::get_async(const Demo::AMD_Queue_getPtr& cb, const string& id, const Ice::Current&)
{
IceUtil::Mutex::Lock lock(*this);
//
// If there is already a message in the message queue, send the
// response immediately. Otherwise add the callback to the
// request queue.
//
if(_messageQueue.size() != 0)
{
try
{
cb->ice_response(_messageQueue.front());
_messageQueue.pop_front();
}
catch(const Ice::Exception& ex)
{
cout << ex << endl;
}
}
else
{
Request request;
request.id = id;
request.cb = cb;
_requestQueue.push_back(request);
}
}
void
QueueI::add(const string& message, const Ice::Current&)
{
IceUtil::Mutex::Lock lock(*this);
//
// If there is an outstanding request in the request queue,
// send a response. Otherwise add the message to the message
// queue.
//
if(_requestQueue.size() != 0)
{
try
{
_requestQueue.front().cb->ice_response(message);
}
catch(const Ice::Exception& ex)
{
_messageQueue.push_back(message);
cout << ex << endl;
}
_requestQueue.pop_front();
}
else
{
_messageQueue.push_back(message);
}
}
void
QueueI::cancel_async(const Demo::AMD_Queue_cancelPtr& cb, const vector<string>& ids, const Ice::Current&)
{
//
// We send immediate response so that later call to ice_exception
// on queued requests will not cause deadlocks.
//
cb->ice_response();
IceUtil::Mutex::Lock lock(*this);
for(vector<string>::const_iterator p = ids.begin(); p != ids.end(); ++p)
{
for(list<Request>::iterator q = _requestQueue.begin(); q != _requestQueue.end(); )
{
if((*q).id == *p)
{
try
{
(*q).cb->ice_exception(Demo::RequestCanceledException());
}
catch(const Ice::Exception&)
{
// Ignore
}
list<Request>::iterator erase = q++;
_requestQueue.erase(erase);
break;
}
else
{
++q;
}
}
}
}
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