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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 <WorkQueue.h>
#include <Ice/LocalException.h>
using namespace std;
WorkQueue::WorkQueue() :
_done(false)
{
}
void
WorkQueue::run()
{
IceUtil::Monitor<IceUtil::Mutex>::Lock lock(_monitor);
while(!_done)
{
if(_callbacks.size() == 0)
{
_monitor.wait();
}
if(_callbacks.size() != 0)
{
//
// Get next work item.
//
CallbackEntry entry = _callbacks.front();
//
// Wait for the amount of time indicated in delay to
// emulate a process that takes a significant period of
// time to complete.
//
_monitor.timedWait(IceUtil::Time::milliSeconds(entry.delay));
if(!_done)
{
//
// Print greeting and send response.
//
_callbacks.pop_front();
cout << "Belated Hello World!" << endl;
entry.cb->ice_response();
}
}
}
//
// Throw exception for any outstanding requests.
//
list<CallbackEntry>::const_iterator p;
for(p = _callbacks.begin(); p != _callbacks.end(); ++p)
{
(*p).cb->ice_exception(Demo::RequestCanceledException());
}
}
void
WorkQueue::add(const Demo::AMD_Hello_sayHelloPtr& cb, int delay)
{
IceUtil::Monitor<IceUtil::Mutex>::Lock lock(_monitor);
if(!_done)
{
//
// Add work item.
//
CallbackEntry entry;
entry.cb = cb;
entry.delay = delay;
if(_callbacks.size() == 0)
{
_monitor.notify();
}
_callbacks.push_back(entry);
}
else
{
//
// Destroyed, throw exception.
//
cb->ice_exception(Demo::RequestCanceledException());
}
}
void
WorkQueue::destroy()
{
IceUtil::Monitor<IceUtil::Mutex>::Lock lock(_monitor);
//
// Set done flag and notify.
//
_done = true;
_monitor.notify();
}
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