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//-----------------------------------------------------------------------
// <copyright file="CoordinatorBase.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.Test {
using System;
using System.Threading;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.OpenId.RelyingParty;
using DotNetOpenAuth.Test.Mocks;
using Microsoft.VisualStudio.TestTools.UnitTesting;
internal abstract class CoordinatorBase<T1, T2> {
private Action<T1> party1Action;
private Action<T2> party2Action;
protected CoordinatorBase(Action<T1> party1Action, Action<T2> party2Action) {
ErrorUtilities.VerifyArgumentNotNull(party1Action, "party1Action");
ErrorUtilities.VerifyArgumentNotNull(party2Action, "party2Action");
this.party1Action = party1Action;
this.party2Action = party2Action;
}
protected internal Action<IProtocolMessage> IncomingMessageFilter { get; set; }
protected internal Action<IProtocolMessage> OutgoingMessageFilter { get; set; }
internal abstract void Run();
protected void RunCore(T1 party1Object, T2 party2Object) {
Thread party1Thread = null, party2Thread = null;
Exception failingException = null;
// Each thread we create needs a surrounding exception catcher so that we can
// terminate the other thread and inform the test host that the test failed.
Action<Action> safeWrapper = (action) => {
try {
action();
} catch (Exception ex) {
// We may be the second thread in an ThreadAbortException, so check the "flag"
lock (this) {
if (failingException == null || (failingException is ThreadAbortException && !(ex is ThreadAbortException))) {
failingException = ex;
if (Thread.CurrentThread == party1Thread) {
party2Thread.Abort();
} else {
party1Thread.Abort();
}
}
}
}
};
// Run the threads, and wait for them to complete.
// If this main thread is aborted (test run aborted), go ahead and abort the other two threads.
party1Thread = new Thread(() => { safeWrapper(() => { this.party1Action(party1Object); }); });
party2Thread = new Thread(() => { safeWrapper(() => { this.party2Action(party2Object); }); });
try {
party1Thread.Start();
party2Thread.Start();
party1Thread.Join();
party2Thread.Join();
} catch (ThreadAbortException) {
party1Thread.Abort();
party2Thread.Abort();
throw;
} catch (ThreadStartException ex) {
if (ex.InnerException is ThreadAbortException) {
// if party1Thread threw an exception
// (which may even have been intentional for the test)
// before party2Thread even started, then this exception
// can be thrown, and should be ignored.
} else {
throw;
}
}
// Use the failing reason of a failing sub-thread as our reason, if anything failed.
if (failingException != null) {
throw new AssertFailedException("Coordinator thread threw unhandled exception: " + failingException, failingException);
}
}
}
}
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