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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
namespace Apache.Qpid.Test.Channel.Functional
{
using System;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.Threading;
using NUnit.Framework;
[TestFixture]
public class AsyncTest
{
private const int MessageCount = 20;
private const string Queue = "amqp:amq.direct?routingkey=routing_key";
private Uri endpoint = new Uri("amqp:message_queue");
private TimeSpan standardTimeout = TimeSpan.FromSeconds(10.0); // seconds
[Test]
public void NonTryReceives()
{
this.SendMessages(this.standardTimeout, this.standardTimeout);
this.ReceiveNonTryMessages(this.standardTimeout, this.standardTimeout);
}
[Test]
public void TryReceives()
{
this.SendMessages(this.standardTimeout, this.standardTimeout);
this.ReceiveTryMessages(this.standardTimeout, this.standardTimeout);
}
[Test]
public void SmallTimeout()
{
// This code is commented out due to a bug in asynchronous channel open.
////IChannelListener parentListener;
////try
////{
//// this.RetrieveAsyncChannel(new Uri("amqp:fake_queue_do_not_create"), TimeSpan.FromMilliseconds(10.0), out parentListener);
//// parentListener.Close();
//// Assert.Fail("Accepting the channel did not time out.");
////}
////catch (TimeoutException)
////{
//// // Intended exception.
////}
try
{
this.ReceiveNonTryMessages(this.standardTimeout, TimeSpan.FromMilliseconds(10.0));
Assert.Fail("Receiving a message did not time out.");
}
catch (TimeoutException)
{
// Intended exception.
}
}
private void SendMessages(TimeSpan channelTimeout, TimeSpan messageSendTimeout)
{
ChannelFactory<IOutputChannel> channelFactory =
new ChannelFactory<IOutputChannel>(Util.GetBinding(), Queue);
IOutputChannel proxy = channelFactory.CreateChannel();
IAsyncResult[] resultArray = new IAsyncResult[MessageCount];
for (int i = 0; i < MessageCount; i++)
{
Message toSend = Message.CreateMessage(MessageVersion.Default, string.Empty, i);
resultArray[i] = proxy.BeginSend(toSend, messageSendTimeout, null, null);
}
for (int j = 0; j < MessageCount; j++)
{
proxy.EndSend(resultArray[j]);
}
IAsyncResult iocCloseResult = proxy.BeginClose(channelTimeout, null, null);
Thread.Sleep(TimeSpan.FromMilliseconds(50.0)); // Dummy work
proxy.EndClose(iocCloseResult);
IAsyncResult chanFactCloseResult = channelFactory.BeginClose(channelTimeout, null, null);
Thread.Sleep(TimeSpan.FromMilliseconds(50.0)); // Dummy work
channelFactory.EndClose(chanFactCloseResult);
}
private void ReceiveNonTryMessages(TimeSpan channelTimeout, TimeSpan messageTimeout)
{
IChannelListener inputChannelParentListener;
IInputChannel inputChannel = this.RetrieveAsyncChannel(this.endpoint, channelTimeout, out inputChannelParentListener);
inputChannel.Open();
IAsyncResult[] resultArray = new IAsyncResult[MessageCount];
try
{
for (int i = 0; i < MessageCount; i++)
{
resultArray[i] = inputChannel.BeginReceive(messageTimeout, null, null);
}
for (int j = 0; j < MessageCount; j++)
{
inputChannel.EndReceive(resultArray[j]);
}
}
finally
{
IAsyncResult channelCloseResult = inputChannel.BeginClose(channelTimeout, null, null);
Thread.Sleep(TimeSpan.FromMilliseconds(50.0)); // Dummy work
inputChannel.EndClose(channelCloseResult);
// Asynchronous listener close has not been implemented.
////IAsyncResult listenerCloseResult = inputChannelParentListener.BeginClose(channelTimeout, null, null);
////Thread.Sleep(TimeSpan.FromMilliseconds(50.0)); // Dummy work
////inputChannelParentListener.EndClose(listenerCloseResult);
inputChannelParentListener.Close();
}
}
private void ReceiveTryMessages(TimeSpan channelAcceptTimeout, TimeSpan messageReceiveTimeout)
{
IChannelListener<IInputChannel> listener = Util.GetBinding().BuildChannelListener<IInputChannel>(this.endpoint, new BindingParameterCollection());
listener.Open();
IInputChannel inputChannel = listener.AcceptChannel(channelAcceptTimeout);
IAsyncResult channelResult = inputChannel.BeginOpen(channelAcceptTimeout, null, null);
Thread.Sleep(TimeSpan.FromMilliseconds(50.0));
inputChannel.EndOpen(channelResult);
IAsyncResult[] resultArray = new IAsyncResult[MessageCount];
for (int i = 0; i < MessageCount; i++)
{
resultArray[i] = inputChannel.BeginTryReceive(messageReceiveTimeout, null, null);
}
for (int j = 0; j < MessageCount; j++)
{
Message tempMessage;
Assert.True(inputChannel.EndTryReceive(resultArray[j], out tempMessage), "Did not successfully receive message #{0}", j);
}
inputChannel.Close();
listener.Close();
}
private IInputChannel RetrieveAsyncChannel(Uri queue, TimeSpan timeout, out IChannelListener parentListener)
{
IChannelListener<IInputChannel> listener =
Util.GetBinding().BuildChannelListener<IInputChannel>(queue, new BindingParameterCollection());
listener.Open();
IInputChannel inputChannel;
try
{
IAsyncResult acceptResult = listener.BeginAcceptChannel(timeout, null, null);
Thread.Sleep(TimeSpan.FromMilliseconds(300.0)); // Dummy work
inputChannel = listener.EndAcceptChannel(acceptResult);
}
catch (TimeoutException)
{
listener.Close();
throw;
}
finally
{
parentListener = listener;
}
return inputChannel;
}
}
}
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