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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 <IceUtil/IceUtil.h>
#include <IceUtil/Options.h>
#include <Ice/Ice.h>
#include <IceStorm/IceStorm.h>
#include <Clock.h>
using namespace std;
using namespace Demo;
class Publisher : public Ice::Application
{
public:
virtual int run(int, char*[]);
};
int
main(int argc, char* argv[])
{
Publisher app;
return app.main(argc, argv, "config.pub");
}
void
usage(const string& n)
{
cerr << "Usage: " << n << " [--datagram|--twoway|--oneway] [topic]\n" << endl;
}
int
Publisher::run(int argc, char* argv[])
{
IceUtilInternal::Options opts;
opts.addOpt("", "datagram");
opts.addOpt("", "twoway");
opts.addOpt("", "oneway");
IceUtilInternal::Options::StringVector remaining;
try
{
remaining = opts.parse(argc, (const char**)argv);
}
catch(const IceUtilInternal::BadOptException& e)
{
cerr << argv[0] << ": " << e.reason << endl;
usage(appName());
return EXIT_FAILURE;
}
if(remaining.size() > 1)
{
cerr << appName() << ": too many arguments" << endl;
usage(appName());
return EXIT_FAILURE;
}
IceStorm::TopicManagerPrx manager = IceStorm::TopicManagerPrx::checkedCast(
communicator()->propertyToProxy("IceStorm.TopicManager.Proxy"));
if(!manager)
{
cerr << appName() << ": invalid proxy" << endl;
return EXIT_FAILURE;
}
string topicName = "time";
if(!remaining.empty())
{
topicName = remaining.front();
}
//
// Retrieve the topic.
//
IceStorm::TopicPrx topic;
try
{
topic = manager->retrieve(topicName);
}
catch(const IceStorm::NoSuchTopic&)
{
try
{
topic = manager->create(topicName);
}
catch(const IceStorm::TopicExists&)
{
cerr << appName() << ": temporary failure. try again." << endl;
return EXIT_FAILURE;
}
}
//
// Get the topic's publisher object, and create a Clock proxy with
// the mode specified as an argument of this application.
//
Ice::ObjectPrx publisher = topic->getPublisher();
int optsSet = 0;
if(opts.isSet("datagram"))
{
publisher = publisher->ice_datagram();
++optsSet;
}
else if(opts.isSet("twoway"))
{
// Do nothing.
++optsSet;
}
else if(opts.isSet("oneway") || optsSet == 0)
{
publisher = publisher->ice_oneway();
++optsSet;
}
if(optsSet != 1)
{
usage(appName());
return EXIT_FAILURE;
}
ClockPrx clock = ClockPrx::uncheckedCast(publisher);
cout << "publishing tick events. Press ^C to terminate the application." << endl;
try
{
while(true)
{
clock->tick(IceUtil::Time::now().toDateTime());
IceUtil::ThreadControl::sleep(IceUtil::Time::seconds(1));
}
}
catch(const Ice::CommunicatorDestroyedException&)
{
// Ignore
}
return EXIT_SUCCESS;
}
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