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Add low level client.

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This commit is contained in:
Christian Kratky
2020-04-01 20:43:00 +02:00
parent 0d39bbbc0c
commit 04ccdcd562
46 changed files with 711 additions and 418 deletions
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Source/MQTTnet/Adapter/IMqttClientAdapterFactory.cs
+1 -1
View File
@@ -5,6 +5,6 @@ namespace MQTTnet.Adapter
{
public interface IMqttClientAdapterFactory
{
IMqttChannelAdapter CreateClientAdapter(IMqttClientOptions options, IMqttNetChildLogger logger);
IMqttChannelAdapter CreateClientAdapter(IMqttClientOptions options, IMqttNetLogger logger);
}
}
Source/MQTTnet/Adapter/MqttChannelAdapter.cs
+33 -33
View File
@@ -1,3 +1,9 @@
using MQTTnet.Channel;
using MQTTnet.Diagnostics;
using MQTTnet.Exceptions;
using MQTTnet.Formatter;
using MQTTnet.Internal;
using MQTTnet.Packets;
using System;
using System.IO;
using System.Net.Sockets;
@@ -5,32 +11,26 @@ using System.Runtime.InteropServices;
using System.Security.Cryptography.X509Certificates;
using System.Threading;
using System.Threading.Tasks;
using MQTTnet.Channel;
using MQTTnet.Diagnostics;
using MQTTnet.Exceptions;
using MQTTnet.Formatter;
using MQTTnet.Internal;
using MQTTnet.Packets;
namespace MQTTnet.Adapter
{
public class MqttChannelAdapter : Disposable, IMqttChannelAdapter
public sealed class MqttChannelAdapter : Disposable, IMqttChannelAdapter
{
private const uint ErrorOperationAborted = 0x800703E3;
private const int ReadBufferSize = 4096; // TODO: Move buffer size to config
const uint ErrorOperationAborted = 0x800703E3;
const int ReadBufferSize = 4096; // TODO: Move buffer size to config
private readonly SemaphoreSlim _writerSemaphore = new SemaphoreSlim(1, 1);
readonly SemaphoreSlim _writerSemaphore = new SemaphoreSlim(1, 1);
private readonly IMqttNetChildLogger _logger;
private readonly IMqttChannel _channel;
private readonly MqttPacketReader _packetReader;
readonly IMqttNetLogger _logger;
readonly IMqttChannel _channel;
readonly MqttPacketReader _packetReader;
private readonly byte[] _fixedHeaderBuffer = new byte[2];
private long _bytesReceived;
private long _bytesSent;
readonly byte[] _fixedHeaderBuffer = new byte[2];
public MqttChannelAdapter(IMqttChannel channel, MqttPacketFormatterAdapter packetFormatterAdapter, IMqttNetChildLogger logger)
long _bytesReceived;
long _bytesSent;
public MqttChannelAdapter(IMqttChannel channel, MqttPacketFormatterAdapter packetFormatterAdapter, IMqttNetLogger logger)
{
if (logger == null) throw new ArgumentNullException(nameof(logger));
@@ -55,7 +55,7 @@ namespace MQTTnet.Adapter
public Action ReadingPacketStartedCallback { get; set; }
public Action ReadingPacketCompletedCallback { get; set; }
public async Task ConnectAsync(TimeSpan timeout, CancellationToken cancellationToken)
{
ThrowIfDisposed();
@@ -207,7 +207,18 @@ namespace MQTTnet.Adapter
Interlocked.Exchange(ref _bytesSent, 0L);
}
private async Task<ReceivedMqttPacket> ReceiveAsync(CancellationToken cancellationToken)
protected override void Dispose(bool disposing)
{
if (disposing)
{
_channel?.Dispose();
_writerSemaphore?.Dispose();
}
base.Dispose(disposing);
}
async Task<ReceivedMqttPacket> ReceiveAsync(CancellationToken cancellationToken)
{
var readFixedHeaderResult = await _packetReader.ReadFixedHeaderAsync(_fixedHeaderBuffer, cancellationToken).ConfigureAwait(false);
@@ -267,25 +278,14 @@ namespace MQTTnet.Adapter
}
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
_channel?.Dispose();
_writerSemaphore?.Dispose();
}
base.Dispose(disposing);
}
private static bool IsWrappedException(Exception exception)
static bool IsWrappedException(Exception exception)
{
return exception is OperationCanceledException ||
exception is MqttCommunicationTimedOutException ||
exception is MqttCommunicationException;
}
private static void WrapException(Exception exception)
static void WrapException(Exception exception)
{
if (exception is IOException && exception.InnerException is SocketException innerException)
{