2021-05-07 22:05:11 -04:00

112 lines
2.5 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
namespace UniversalEditor.Compression.Modules.Deflate
{
public class DeflateStreamAsyncResult : IAsyncResult
{
public byte[] buffer;
public int count;
public bool isWrite;
private AsyncCallback m_AsyncCallback;
private object m_AsyncObject;
private object m_AsyncState;
private int m_Completed;
internal bool m_CompletedSynchronously;
private object m_Event;
private int m_InvokedCallback;
private object m_Result;
public int offset;
public object AsyncState
{
get
{
return this.m_AsyncState;
}
}
public WaitHandle AsyncWaitHandle
{
get
{
int completed = this.m_Completed;
if (this.m_Event == null)
{
Interlocked.CompareExchange(ref this.m_Event, new ManualResetEvent(completed != 0), null);
}
ManualResetEvent event2 = (ManualResetEvent)this.m_Event;
if (completed == 0 && this.m_Completed != 0)
{
event2.Set();
}
return event2;
}
}
public bool CompletedSynchronously
{
get
{
return this.m_CompletedSynchronously;
}
}
public bool IsCompleted
{
get
{
return this.m_Completed != 0;
}
}
internal object Result
{
get
{
return this.m_Result;
}
}
public DeflateStreamAsyncResult(object asyncObject, object asyncState, AsyncCallback asyncCallback, byte[] buffer, int offset, int count)
{
this.buffer = buffer;
this.offset = offset;
this.count = count;
this.m_CompletedSynchronously = true;
this.m_AsyncObject = asyncObject;
this.m_AsyncState = asyncState;
this.m_AsyncCallback = asyncCallback;
}
internal void Close()
{
if (this.m_Event != null)
{
((ManualResetEvent)this.m_Event).Close();
}
}
private void Complete(object result)
{
this.m_Result = result;
Interlocked.Increment(ref this.m_Completed);
if (this.m_Event != null)
{
((ManualResetEvent)this.m_Event).Set();
}
if (Interlocked.Increment(ref this.m_InvokedCallback) == 1 && this.m_AsyncCallback != null)
{
this.m_AsyncCallback(this);
}
}
private void Complete(bool completedSynchronously, object result)
{
this.m_CompletedSynchronously = completedSynchronously;
this.Complete(result);
}
internal void InvokeCallback(object result)
{
this.Complete(result);
}
internal void InvokeCallback(bool completedSynchronously, object result)
{
this.Complete(completedSynchronously, result);
}
}
}