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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.
//
// **********************************************************************
using System;
using System.Collections;
using Demo;
public class Subscriber : Ice.Application
{
public class ClockI : ClockDisp_
{
public override void tick(string date, Ice.Current current)
{
System.Console.Out.WriteLine(date);
}
}
public override int run(string[] args)
{
IceStorm.TopicManagerPrx manager = IceStorm.TopicManagerPrxHelper.checkedCast(
communicator().propertyToProxy("IceStorm.TopicManager.Proxy"));
if(manager == null)
{
Console.WriteLine("invalid proxy");
return 1;
}
string topicName = "time";
bool datagram = false;
bool twoway = false;
bool ordered = false;
bool batch = false;
int optsSet = 0;
for(int i = 0; i < args.Length; ++i)
{
if(args[i].Equals("--datagram"))
{
datagram = true;
++optsSet;
}
else if(args[i].Equals("--twoway"))
{
twoway = true;
++optsSet;
}
else if(args[i].Equals("--ordered"))
{
ordered = true;
++optsSet;
}
else if(args[i].Equals("--oneway"))
{
++optsSet;
}
else if(args[i].Equals("--batch"))
{
batch = true;
}
else if(args[i].StartsWith("--"))
{
usage();
return 1;
}
else
{
topicName = args[i];
break;
}
}
if(batch)
{
if(twoway || ordered)
{
Console.WriteLine(appName() + ": batch can only be set with oneway or datagram");
return 1;
}
}
if(optsSet > 1)
{
usage();
return 1;
}
//
// Retrieve the topic.
//
IceStorm.TopicPrx topic;
try
{
topic = manager.retrieve(topicName);
}
catch(IceStorm.NoSuchTopic)
{
try
{
topic = manager.create(topicName);
}
catch(IceStorm.TopicExists)
{
Console.WriteLine("temporary error. try again.");
return 1;
}
}
Ice.ObjectAdapter adapter = communicator().createObjectAdapter("Clock.Subscriber");
//
// Add a Servant for the Ice Object.
//
Ice.ObjectPrx subscriber = adapter.addWithUUID(new ClockI());
IceStorm.QoS qos = new IceStorm.QoS();
//
// Set up the proxy.
//
if(datagram)
{
subscriber = subscriber.ice_datagram();
}
else if(twoway)
{
// Do nothing to the subscriber proxy. Its already twoway.
}
else if(ordered)
{
// Do nothing to the subscriber proxy. Its already twoway.
qos["reliability"] = "ordered";
}
else // if(oneway)
{
subscriber = subscriber.ice_oneway();
}
if(batch)
{
if(datagram)
{
subscriber = subscriber.ice_batchDatagram();
}
else
{
subscriber = subscriber.ice_batchOneway();
}
}
topic.subscribeAndGetPublisher(qos, subscriber);
adapter.activate();
shutdownOnInterrupt();
communicator().waitForShutdown();
//
// Unsubscribe all subscribed objects.
//
topic.unsubscribe(subscriber);
return 0;
}
public void
usage()
{
Console.WriteLine("Usage: " + appName() + " [--batch] [--datagram|--twoway|--ordered|--oneway] [topic]");
}
public static void Main(string[] args)
{
Subscriber app = new Subscriber();
int status = app.main(args, "config.sub");
if(status != 0)
{
System.Environment.Exit(status);
}
}
}
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