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update socket methods

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This commit is contained in:
Luke Pulverenti 2017-03-26 19:53:50 -04:00
parent 5477bb95d9
commit 1a5a0d2cbb
1 changed files with 56 additions and 2 deletions
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58
Emby.Common.Implementations/Net/UdpSocket.cs
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@ -119,10 +119,17 @@ namespace Emby.Common.Implementations.Net
public Task<SocketReceiveResult> ReceiveAsync(CancellationToken cancellationToken)
{
ThrowIfDisposed();
var tcs = new TaskCompletionSource<SocketReceiveResult>();
EndPoint receivedFromEndPoint = new IPEndPoint(IPAddress.Any, 0);
var state = new AsyncReceiveState(_Socket, receivedFromEndPoint);
state.TaskCompletionSource = tcs;
#if NET46
_Socket.BeginReceiveFrom(state.Buffer, 0, state.Buffer.Length, SocketFlags.None, ref state.RemoteEndPoint, ProcessResponse, state);
return tcs.Task;
#endif
cancellationToken.Register(() => tcs.TrySetCanceled());
_receiveSocketAsyncEventArgs.RemoteEndPoint = receivedFromEndPoint;
@ -271,5 +278,52 @@ namespace Emby.Common.Implementations.Net
return NetworkManager.ToIpEndPointInfo(endpoint);
}
private void ProcessResponse(IAsyncResult asyncResult)
{
#if NET46
var state = asyncResult.AsyncState as AsyncReceiveState;
try
{
var bytesRead = state.Socket.EndReceiveFrom(asyncResult, ref state.RemoteEndPoint);
var ipEndPoint = state.RemoteEndPoint as IPEndPoint;
state.TaskCompletionSource.SetResult(
new SocketReceiveResult
{
Buffer = state.Buffer,
ReceivedBytes = bytesRead,
RemoteEndPoint = ToIpEndPointInfo(ipEndPoint),
LocalIPAddress = LocalIPAddress
}
);
}
catch (ObjectDisposedException)
{
state.TaskCompletionSource.SetCanceled();
}
catch (Exception ex)
{
state.TaskCompletionSource.SetException(ex);
}
#endif
}
private class AsyncReceiveState
{
public AsyncReceiveState(Socket socket, EndPoint remoteEndPoint)
{
this.Socket = socket;
this.RemoteEndPoint = remoteEndPoint;
}
public EndPoint RemoteEndPoint;
public byte[] Buffer = new byte[8192];
public Socket Socket { get; private set; }
public TaskCompletionSource<SocketReceiveResult> TaskCompletionSource { get; set; }
}
}
}