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HttpListenerResponseWrapper.cs
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HttpListenerResponseWrapper.cs
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using System;
using System.Net;
using System.Threading;
using System.Threading.Tasks;
using SignalR.Hosting.Self.Infrastructure;
namespace SignalR.Hosting.Self
{
public class HttpListenerResponseWrapper : IResponse
{
private readonly HttpListenerResponse _httpListenerResponse;
private readonly CancellationToken _cancellationToken;
private bool _connectionFailed;
public HttpListenerResponseWrapper(HttpListenerResponse httpListenerResponse, CancellationToken cancellationToken)
{
_httpListenerResponse = httpListenerResponse;
_cancellationToken = cancellationToken;
}
public string ContentType
{
get
{
return _httpListenerResponse.ContentType;
}
set
{
_httpListenerResponse.ContentType = value;
}
}
public bool IsClientConnected
{
get
{
return !_connectionFailed && !_cancellationToken.IsCancellationRequested;
}
}
public void Write(ArraySegment<byte> data)
{
try
{
_httpListenerResponse.OutputStream.Write(data.Array, data.Offset, data.Count);
}
catch
{
_connectionFailed = true;
}
}
public Task FlushAsync()
{
#if NET45
return _httpListenerResponse.OutputStream.FlushAsync();
#else
try
{
_httpListenerResponse.OutputStream.Flush();
}
catch
{
_connectionFailed = true;
}
return TaskAsyncHelper.Empty;
#endif
}
public Task EndAsync()
{
_httpListenerResponse.CloseSafe();
return TaskAsyncHelper.Empty;
}
}
}