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AsyncReply thread safe

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This commit is contained in:
Ahmed Zamil
2019-11-12 17:25:37 +03:00
parent 238ac2563b
commit 4f68c08640
3 changed files with 89 additions and 48 deletions
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122
Esiur/Core/AsyncReply.cs
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@ -31,6 +31,7 @@ using Esiur.Resource;
using System.Reflection;
using System.Threading;
using System.Runtime.CompilerServices;
using System.Diagnostics;
namespace Esiur.Core
{
@ -51,19 +52,25 @@ namespace Esiur.Core
//List<AsyncAwaiter> awaiters = new List<AsyncAwaiter>();
// object callbacksLock = new object();
object asyncLock = new object();
//public Timer timeout;// = new Timer()
protected bool resultReady = false;
AsyncException exception;
StackTrace trace;
AutoResetEvent mutex = new AutoResetEvent(false);
public static int MaxId;
public int Id;
public bool Ready
{
get { return resultReady; }
}
public T Wait()
{
@ -71,13 +78,14 @@ namespace Esiur.Core
return result;
if (Debug)
Console.WriteLine($"AsyncReply: {GetHashCode()} Wait");
Console.WriteLine($"AsyncReply: {Id} Wait");
//mutex = new AutoResetEvent(false);
mutex.WaitOne();
if (Debug)
Console.WriteLine($"AsyncReply: {GetHashCode()} Wait ended");
Console.WriteLine($"AsyncReply: {Id} Wait ended");
return result;
}
@ -88,33 +96,51 @@ namespace Esiur.Core
get { return result; }
}
public IAsyncReply<T> Then(Action<T> callback)
{
//lock (callbacksLock)
//{
lock (asyncLock)
{
trace = new StackTrace();
if (resultReady)
{
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Then ready");
callback(result);
return this;
}
//timeout = new Timer(x =>
//{
// // Get calling method name
// Console.WriteLine(trace.GetFrame(1).GetMethod().Name);
// var tr = String.Join("\r\n", trace.GetFrames().Select(f => f.GetMethod().Name));
// timeout.Dispose();
// tr = trace.ToString();
// throw new Exception("Request timeout " + Id);
//}, null, 15000, 0);
if (resultReady)
{
if (Debug)
Console.WriteLine($"AsyncReply: {GetHashCode()} Then ready");
Console.WriteLine($"AsyncReply: {Id} Then pending");
callbacks.Add(callback);
callback(result);
return this;
}
if (Debug)
Console.WriteLine($"AsyncReply: {GetHashCode()} Then pending");
callbacks.Add(callback);
return this;
//}
}
public IAsyncReply<T> Error(Action<AsyncException> callback)
{
// lock (callbacksLock)
@ -149,37 +175,37 @@ namespace Esiur.Core
public void Trigger(object result)
{
lock (asyncLock)
{
//timeout?.Dispose();
if (Debug)
Console.WriteLine($"AsyncReply: {GetHashCode()} Trigger");
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Trigger");
if (resultReady)
return;
this.result = (T)result;
resultReady = true;
//if (mutex != null)
mutex.Set();
foreach (var cb in callbacks)
cb((T)result);
//lock (callbacksLock)
//{
if (resultReady)
return;
this.result = (T)result;
resultReady = true;
//if (mutex != null)
mutex.Set();
foreach (var cb in callbacks)
cb((T)result);
if (Debug)
Console.WriteLine($"AsyncReply: {GetHashCode()} Trigger ended");
//}
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Trigger ended");
}
}
public void TriggerError(Exception exception)
{
//timeout?.Dispose();
if (resultReady)
return;
@ -201,6 +227,8 @@ namespace Esiur.Core
public void TriggerProgress(ProgressType type, int value, int max)
{
//timeout?.Dispose();
if (resultReady)
return;
@ -215,6 +243,9 @@ namespace Esiur.Core
public void TriggerChunk(object value)
{
//timeout?.Dispose();
if (resultReady)
return;
@ -235,14 +266,17 @@ namespace Esiur.Core
public AsyncReply()
{
//this.Debug = true;
// this.Debug = true;
Id = MaxId++;
}
public AsyncReply(T result)
{
//this.Debug = true;
// this.Debug = true;
resultReady = true;
this.result = result;
Id = MaxId++;
}
/*