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AsyncReply is task-like

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This commit is contained in:
Ahmed Zamil 2019-11-12 20:15:12 +03:00
parent 4f68c08640
commit 76bcd821b5
5 changed files with 479 additions and 297 deletions
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296
Esiur/Core/AsyncReply.cs
View File

@ -35,301 +35,9 @@ using System.Diagnostics;
namespace Esiur.Core
{
[AsyncMethodBuilder(typeof(AsyncReply<>))]
public class AsyncReply<T> : IAsyncReply<T>
{
public bool Debug = false;
protected List<Action<T>> callbacks = new List<Action<T>>();
protected T result;
protected List<Action<AsyncException>> errorCallbacks = new List<Action<AsyncException>>();
protected List<Action<ProgressType, int, int>> progressCallbacks = new List<Action<ProgressType, int, int>>();
protected List<Action<T>> chunkCallbacks = new List<Action<T>>();
//List<AsyncAwaiter> awaiters = new List<AsyncAwaiter>();
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()
{
if (resultReady)
return result;
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Wait");
//mutex = new AutoResetEvent(false);
mutex.WaitOne();
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Wait ended");
return result;
}
public object Result
{
get { return result; }
}
public IAsyncReply<T> Then(Action<T> callback)
{
//lock (callbacksLock)
//{
lock (asyncLock)
{
trace = new StackTrace();
if (resultReady)
{
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Then ready");
callback(result);
return this;
}
//timeout = new Timer(x =>
//{
// // Get calling method name
// Console.WriteLine(trace.GetFrame(1).GetMethod().Name);
// var tr = String.Join("\r\n", trace.GetFrames().Select(f => f.GetMethod().Name));
// timeout.Dispose();
// tr = trace.ToString();
// throw new Exception("Request timeout " + Id);
//}, null, 15000, 0);
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Then pending");
callbacks.Add(callback);
return this;
}
}
public IAsyncReply<T> Error(Action<AsyncException> callback)
{
// lock (callbacksLock)
// {
errorCallbacks.Add(callback);
if (exception != null)
callback(exception);
return this;
//}
}
public IAsyncReply<T> Progress(Action<ProgressType, int, int> callback)
{
//lock (callbacksLock)
//{
progressCallbacks.Add(callback);
return this;
//}
}
public IAsyncReply<T> Chunk(Action<T> callback)
{
// lock (callbacksLock)
// {
chunkCallbacks.Add(callback);
return this;
// }
}
public void Trigger(object result)
{
lock (asyncLock)
{
//timeout?.Dispose();
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Trigger");
if (resultReady)
return;
this.result = (T)result;
resultReady = true;
//if (mutex != null)
mutex.Set();
foreach (var cb in callbacks)
cb((T)result);
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Trigger ended");
}
}
public void TriggerError(Exception exception)
{
//timeout?.Dispose();
if (resultReady)
return;
if (exception is AsyncException)
this.exception = exception as AsyncException;
else
this.exception = new AsyncException(ErrorType.Management, 0, exception.Message);
// lock (callbacksLock)
// {
foreach (var cb in errorCallbacks)
cb(this.exception);
// }
mutex?.Set();
}
public void TriggerProgress(ProgressType type, int value, int max)
{
//timeout?.Dispose();
if (resultReady)
return;
//lock (callbacksLock)
//{
foreach (var cb in progressCallbacks)
cb(type, value, max);
//}
}
public void TriggerChunk(object value)
{
//timeout?.Dispose();
if (resultReady)
return;
//lock (callbacksLock)
//{
foreach (var cb in chunkCallbacks)
cb((T)value);
//}
}
public AsyncAwaiter<T> GetAwaiter()
{
return new AsyncAwaiter<T>(this);
}
public AsyncReply()
{
// this.Debug = true;
Id = MaxId++;
}
public AsyncReply(T result)
{
// this.Debug = true;
resultReady = true;
this.result = result;
Id = MaxId++;
}
/*
public AsyncReply<T> Then(Action<T> callback)
{
base.Then(new Action<object>(o => callback((T)o)));
return this;
}
public void Trigger(T result)
{
Trigger((object)result);
}
public Task<bool> MoveNext(CancellationToken cancellationToken)
{
throw new NotImplementedException();
}
public void Dispose()
{
}
public AsyncReply()
[AsyncMethodBuilder(typeof(AsyncReplyBuilder))]
public class AsyncReply : AsyncReply<object>
{
}
public new Task<T> Task
{
get
{
return base.Task.ContinueWith<T>((t) =>
{
#if NETSTANDARD
return (T)t.GetType().GetTypeInfo().GetProperty("Result").GetValue(t);
#else
return (T)t.GetType().GetProperty("Result").GetValue(t);
#endif
});
}
}
public T Current => throw new NotImplementedException();
public AsyncReply(T result)
: base(result)
{
}
*/
}
}

70
Esiur/Core/AsyncReplyBuilder.cs Normal file
View File

@ -0,0 +1,70 @@
using System;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using System.Text;
namespace Esiur.Core
{
public class AsyncReplyBuilder
{
AsyncReply reply;
AsyncReplyBuilder(AsyncReply reply)
{
this.reply = reply;
}
public static AsyncReplyBuilder Create()
{
return new AsyncReplyBuilder(new AsyncReply());
}
public void Start<TStateMachine>(ref TStateMachine stateMachine)
where TStateMachine : IAsyncStateMachine
{
stateMachine.MoveNext();
}
public void SetStateMachine(IAsyncStateMachine stateMachine)
{
Console.WriteLine("SetStateMachine");
}
public void SetException(Exception exception)
{
reply.TriggerError(exception);
}
public void SetResult()
{
reply.Trigger(null);
}
public void AwaitOnCompleted<TAwaiter, TStateMachine>(
ref TAwaiter awaiter, ref TStateMachine stateMachine)
where TAwaiter : INotifyCompletion
where TStateMachine : IAsyncStateMachine
{
Console.WriteLine("AwaitOnCompleted");
}
public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(
ref TAwaiter awaiter, ref TStateMachine stateMachine)
where TAwaiter : ICriticalNotifyCompletion
where TStateMachine : IAsyncStateMachine
{
Console.WriteLine("AwaitUnsafeOnCompleted");
}
public AsyncReply Task
{
get
{
return reply;
}
}
}
}

69
Esiur/Core/AsyncReplyBuilderGeneric.cs Normal file
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@ -0,0 +1,69 @@
using System;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using System.Text;
namespace Esiur.Core
{
public class AsyncReplyBuilder<T>
{
AsyncReply<T> reply;
AsyncReplyBuilder(AsyncReply<T> reply)
{
this.reply = reply;
}
public static AsyncReplyBuilder<T> Create()
{
return new AsyncReplyBuilder<T>(new AsyncReply<T>());
}
public void Start<TStateMachine>(ref TStateMachine stateMachine)
where TStateMachine : IAsyncStateMachine
{
stateMachine.MoveNext();
}
public void SetStateMachine(IAsyncStateMachine stateMachine)
{
Console.WriteLine("SetStateMachine");
}
public void SetException(Exception exception)
{
reply.TriggerError(exception);
}
public void SetResult(T result)
{
reply.Trigger(result);
}
public void AwaitOnCompleted<TAwaiter, TStateMachine>(
ref TAwaiter awaiter, ref TStateMachine stateMachine)
where TAwaiter : INotifyCompletion
where TStateMachine : IAsyncStateMachine
{
Console.WriteLine("AwaitOnCompleted");
}
public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(
ref TAwaiter awaiter, ref TStateMachine stateMachine)
where TAwaiter : ICriticalNotifyCompletion
where TStateMachine : IAsyncStateMachine
{
Console.WriteLine("AwaitUnsafeOnCompleted");
}
public AsyncReply<T> Task
{
get {
return reply;
}
}
}
}

337
Esiur/Core/AsyncReplyGeneric.cs Normal file
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@ -0,0 +1,337 @@
/*
Copyright (c) 2017 Ahmed Kh. Zamil
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Esiur.Resource;
using System.Reflection;
using System.Threading;
using System.Runtime.CompilerServices;
using System.Diagnostics;
namespace Esiur.Core
{
[AsyncMethodBuilder(typeof(AsyncReplyBuilder<>))]
public class AsyncReply<T> : IAsyncReply<T>
{
public bool Debug = false;
protected List<Action<T>> callbacks = new List<Action<T>>();
protected T result;
protected List<Action<AsyncException>> errorCallbacks = new List<Action<AsyncException>>();
protected List<Action<ProgressType, int, int>> progressCallbacks = new List<Action<ProgressType, int, int>>();
protected List<Action<T>> chunkCallbacks = new List<Action<T>>();
//List<AsyncAwaiter> awaiters = new List<AsyncAwaiter>();
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()
{
if (resultReady)
return result;
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Wait");
//mutex = new AutoResetEvent(false);
mutex.WaitOne();
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Wait ended");
return result;
}
public object Result
{
get { return result; }
}
public IAsyncReply<T> Then(Action<T> callback)
{
//lock (callbacksLock)
//{
lock (asyncLock)
{
trace = new StackTrace();
if (resultReady)
{
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Then ready");
callback(result);
return this;
}
//timeout = new Timer(x =>
//{
// // Get calling method name
// Console.WriteLine(trace.GetFrame(1).GetMethod().Name);
// var tr = String.Join("\r\n", trace.GetFrames().Select(f => f.GetMethod().Name));
// timeout.Dispose();
// tr = trace.ToString();
// throw new Exception("Request timeout " + Id);
//}, null, 15000, 0);
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Then pending");
callbacks.Add(callback);
return this;
}
}
public IAsyncReply<T> Error(Action<AsyncException> callback)
{
// lock (callbacksLock)
// {
errorCallbacks.Add(callback);
if (exception != null)
callback(exception);
return this;
//}
}
public IAsyncReply<T> Progress(Action<ProgressType, int, int> callback)
{
//lock (callbacksLock)
//{
progressCallbacks.Add(callback);
return this;
//}
}
public IAsyncReply<T> Chunk(Action<T> callback)
{
// lock (callbacksLock)
// {
chunkCallbacks.Add(callback);
return this;
// }
}
public void Trigger(object result)
{
lock (asyncLock)
{
//timeout?.Dispose();
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Trigger");
if (resultReady)
return;
this.result = (T)result;
resultReady = true;
//if (mutex != null)
mutex.Set();
foreach (var cb in callbacks)
cb((T)result);
if (Debug)
Console.WriteLine($"AsyncReply: {Id} Trigger ended");
}
}
public void TriggerError(Exception exception)
{
//timeout?.Dispose();
if (resultReady)
return;
if (exception is AsyncException)
this.exception = exception as AsyncException;
else
this.exception = new AsyncException(ErrorType.Management, 0, exception.Message);
// lock (callbacksLock)
// {
foreach (var cb in errorCallbacks)
cb(this.exception);
// }
mutex?.Set();
}
public void TriggerProgress(ProgressType type, int value, int max)
{
//timeout?.Dispose();
if (resultReady)
return;
//lock (callbacksLock)
//{
foreach (var cb in progressCallbacks)
cb(type, value, max);
//}
}
public void TriggerChunk(object value)
{
//timeout?.Dispose();
if (resultReady)
return;
//lock (callbacksLock)
//{
foreach (var cb in chunkCallbacks)
cb((T)value);
//}
}
public AsyncAwaiter<T> GetAwaiter()
{
return new AsyncAwaiter<T>(this);
}
public AsyncReply()
{
// this.Debug = true;
Id = MaxId++;
}
public AsyncReply(T result)
{
// this.Debug = true;
resultReady = true;
this.result = result;
Id = MaxId++;
}
/*
public AsyncReply<T> Then(Action<T> callback)
{
base.Then(new Action<object>(o => callback((T)o)));
return this;
}
public void Trigger(T result)
{
Trigger((object)result);
}
public Task<bool> MoveNext(CancellationToken cancellationToken)
{
throw new NotImplementedException();
}
public void Dispose()
{
}
public AsyncReply()
{
}
public new Task<T> Task
{
get
{
return base.Task.ContinueWith<T>((t) =>
{
#if NETSTANDARD
return (T)t.GetType().GetTypeInfo().GetProperty("Result").GetValue(t);
#else
return (T)t.GetType().GetProperty("Result").GetValue(t);
#endif
});
}
}
public T Current => throw new NotImplementedException();
public AsyncReply(T result)
: base(result)
{
}
*/
}
}

4
Esiur/Net/NetworkServer.cs
View File

@ -306,9 +306,7 @@ namespace Esiur.Net
}
// Accept more
var l = listener.Accept();
l.Then(NewConnection);
listener.Accept().Then(NewConnection);
//l.timeout?.Dispose();
sock.Begin();