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Disable Nagle on sockets, send packets in one shot.

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Israel Lot
2018-04-16 12:30:56 -03:00
parent a5f33bc244
commit c915af8dad
6 changed files with 60 additions and 51 deletions
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Frameworks/MQTTnet.NetStandard/Adapter/MqttChannelAdapter.cs
+24 -34
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@@ -1,6 +1,7 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Sockets;
using System.Runtime.InteropServices;
using System.Threading;
@@ -55,52 +56,41 @@ namespace MQTTnet.Adapter
return ExecuteAndWrapExceptionAsync(async () =>
{
await _semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
try
foreach (var packet in packets)
{
foreach (var packet in packets)
{
if (cancellationToken.IsCancellationRequested)
{
return;
}
if (packet == null)
{
continue;
}
_logger.Verbose<MqttChannelAdapter>("TX >>> {0} [Timeout={1}]", packet, timeout);
var chunks = PacketSerializer.Serialize(packet);
foreach (var chunk in chunks)
{
if (cancellationToken.IsCancellationRequested)
{
return;
}
await _channel.SendStream.WriteAsync(chunk.Array, chunk.Offset, chunk.Count, cancellationToken).ConfigureAwait(false);
}
}
if (cancellationToken.IsCancellationRequested)
{
return;
}
if (timeout > TimeSpan.Zero)
if (packet == null)
{
await _channel.SendStream.FlushAsync(cancellationToken).TimeoutAfter(timeout).ConfigureAwait(false);
continue;
}
else
_logger.Verbose<MqttChannelAdapter>("TX >>> {0} [Timeout={1}]", packet, timeout);
var packetData = PacketSerializer.Serialize(packet);
if (cancellationToken.IsCancellationRequested)
{
await _channel.SendStream.FlushAsync(cancellationToken).ConfigureAwait(false);
return;
}
await _channel.SendStream.WriteAsync(packetData.Array, packetData.Offset, (int)packetData.Count, cancellationToken).ConfigureAwait(false);
}
finally
if (cancellationToken.IsCancellationRequested)
{
_semaphore.Release();
return;
}
if (timeout > TimeSpan.Zero)
{
await _channel.SendStream.FlushAsync(cancellationToken).TimeoutAfter(timeout).ConfigureAwait(false);
}
else
{
await _channel.SendStream.FlushAsync(cancellationToken).ConfigureAwait(false);
}
});
}