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Program.cs
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Program.cs
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//###############################################################################
//##
//## Copyright (C) 2014, Tavendo GmbH and/or collaborators. All rights reserved.
//##
//## Redistribution and use in source and binary forms, with or without
//## modification, are permitted provided that the following conditions are met:
//##
//## 1. Redistributions of source code must retain the above copyright notice,
//## this list of conditions and the following disclaimer.
//##
//## 2. Redistributions in binary form must reproduce the above copyright notice,
//## this list of conditions and the following disclaimer in the documentation
//## and/or other materials provided with the distribution.
//##
//## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
//## AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
//## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
//## ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
//## LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
//## CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
//## SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
//## INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
//## CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
//## ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//## POSSIBILITY OF SUCH DAMAGE.
//##
//###############################################################################
using System;
using System.Reactive.Subjects;
using System.Threading.Tasks;
using WampSharp.Core.Listener;
using WampSharp.V2;
using WampSharp.V2.Client;
using WampSharp.V2.Core.Contracts;
using WampSharp.V2.Realm;
using WampSharp.V2.Rpc;
namespace Hello
{
public class Program
{
static void Main(string[] args)
{
Console.WriteLine("WampSharp Hello demo starting ...");
string wsuri = "ws://127.0.0.1:8080/ws";
string realm = "realm1";
if (args.Length > 0) {
wsuri = args[0];
if (args.Length > 1) {
realm = args[1];
}
}
Task runTask = Run(wsuri, realm);
Console.ReadLine();
}
private async static Task Run(string wsuri, string realm)
{
Console.WriteLine("Connecting to {0}, realm {1}", wsuri, realm);
DefaultWampChannelFactory factory = new DefaultWampChannelFactory();
IWampChannel channel =
factory.CreateJsonChannel(wsuri, realm);
IWampClientConnectionMonitor monitor = channel.RealmProxy.Monitor;
monitor.ConnectionBroken += OnClose;
monitor.ConnectionError += OnError;
await channel.Open().ConfigureAwait(false);
IWampRealmServiceProvider services = channel.RealmProxy.Services;
// SUBSCRIBE to a topic and receive events
ISubject<string> helloSubject =
services.GetSubject<string>("com.example.onhello");
IDisposable subscription =
helloSubject.Subscribe
(x => Console.WriteLine("event for 'onhello' received: {0}", x));
Console.WriteLine("subscribed to topic 'onhello'");
// REGISTER a procedure for remote calling
Add2Service callee = new Add2Service();
await services.RegisterCallee(callee)
.ConfigureAwait(false);
Console.WriteLine("procedure add2() registered");
// PUBLISH and CALL every second... forever
ISubject<int> onCounterSubject =
services.GetSubject<int>("com.example.oncounter");
IMul2Service proxy =
services.GetCalleeProxy<IMul2Service>();
int counter = 0;
while (true)
{
// PUBLISH an event
onCounterSubject.OnNext(counter);
Console.WriteLine("published to 'oncounter' with counter {0}", counter);
counter++;
// CALL a remote procedure
try
{
int result = await proxy.Multiply(counter, 3)
.ConfigureAwait(false);
Console.WriteLine("mul2() called with result: {0}", result);
}
catch (WampException ex)
{
if (ex.ErrorUri != "wamp.error.no_such_procedure")
{
Console.WriteLine("call of mul2() failed: " + ex);
}
}
await Task.Delay(TimeSpan.FromSeconds(1))
.ConfigureAwait(false);
}
}
#region Callee
public interface IAdd2Service
{
[WampProcedure("com.example.add2")]
int Add(int x, int y);
}
public class Add2Service : IAdd2Service
{
public int Add(int x, int y)
{
Console.WriteLine("add2() called with {0} and {1}", x, y);
return x + y;
}
}
#endregion
#region Caller
public interface IMul2Service
{
[WampProcedure("com.example.mul2")]
Task<int> Multiply(int x, int y);
}
#endregion
private static void OnClose(object sender, WampSessionCloseEventArgs e)
{
Console.WriteLine("connection closed. reason: " + e.Reason);
}
private static void OnError(object sender, WampConnectionErrorEventArgs e)
{
Console.WriteLine("connection error. error: " + e.Exception);
}
}
}