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Migrate to Stream-less approach.

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This commit is contained in:
Christian
2018-04-17 22:29:23 +02:00
parent ae11e31048
commit 17b74f20c9
22 changed files with 260 additions and 332 deletions
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Frameworks/MQTTnet.NetStandard/Implementations/MqttTcpChannel.Uwp.cs
+25 -19
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@@ -4,6 +4,7 @@ using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using System.Threading;
using System.Threading.Tasks;
using Windows.Networking;
using Windows.Networking.Sockets;
@@ -17,36 +18,35 @@ namespace MQTTnet.Implementations
{
// ReSharper disable once MemberCanBePrivate.Global
// ReSharper disable once AutoPropertyCanBeMadeGetOnly.Global
public static int BufferSize { get; set; } = 4096 * 20; // Can be changed for fine tuning by library user.
public static int BufferSize { get; set; } = 4096; // Can be changed for fine tuning by library user.
private readonly int _bufferSize = BufferSize;
private readonly MqttClientTcpOptions _options;
private StreamSocket _socket;
private Stream _readStream;
private Stream _writeStream;
public MqttTcpChannel(MqttClientTcpOptions options)
{
_options = options ?? throw new ArgumentNullException(nameof(options));
_bufferSize = _options.BufferSize;
_bufferSize = options.BufferSize;
}
public MqttTcpChannel(StreamSocket socket)
{
_socket = socket ?? throw new ArgumentNullException(nameof(socket));
CreateStreams();
}
public Stream SendStream { get; private set; }
public Stream ReceiveStream { get; private set; }
public static Func<MqttClientTcpOptions, IEnumerable<ChainValidationResult>> CustomIgnorableServerCertificateErrorsResolver { get; set; }
public async Task ConnectAsync()
public async Task ConnectAsync(CancellationToken cancellationToken)
{
if (_socket == null)
{
_socket = new StreamSocket();
_socket.Control.NoDelay = true;
}
if (!_options.TlsOptions.UseTls)
@@ -65,7 +65,8 @@ namespace MQTTnet.Implementations
await _socket.ConnectAsync(new HostName(_options.Server), _options.GetPort().ToString(), SocketProtectionLevel.Tls12);
}
CreateStreams();
_readStream = _socket.InputStream.AsStreamForRead(_bufferSize);
_writeStream = _socket.OutputStream.AsStreamForWrite(_bufferSize);
}
public Task DisconnectAsync()
@@ -74,11 +75,22 @@ namespace MQTTnet.Implementations
return Task.FromResult(0);
}
public Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
return _readStream.ReadAsync(buffer, offset, count, cancellationToken);
}
public async Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
await _writeStream.WriteAsync(buffer, offset, count, cancellationToken);
await _writeStream.FlushAsync(cancellationToken);
}
public void Dispose()
{
try
{
SendStream?.Dispose();
_readStream?.Dispose();
}
catch (ObjectDisposedException)
{
@@ -88,12 +100,12 @@ namespace MQTTnet.Implementations
}
finally
{
SendStream = null;
_readStream = null;
}
try
{
ReceiveStream?.Dispose();
_writeStream?.Dispose();
}
catch (ObjectDisposedException)
{
@@ -103,7 +115,7 @@ namespace MQTTnet.Implementations
}
finally
{
ReceiveStream = null;
_writeStream = null;
}
try
@@ -122,12 +134,6 @@ namespace MQTTnet.Implementations
}
}
private void CreateStreams()
{
SendStream = _socket.OutputStream.AsStreamForWrite(_bufferSize);
ReceiveStream = _socket.InputStream.AsStreamForRead(_bufferSize);
}
private static Certificate LoadCertificate(MqttClientTcpOptions options)
{
if (options.TlsOptions.Certificates == null || !options.TlsOptions.Certificates.Any())