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v4.0.0 (#1357)

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Christian
2022-02-20 21:10:46 +01:00
committed by GitHub
parent 47e674e4d3
commit 2ce9b94ec9
608 changed files with 22364 additions and 19420 deletions
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Source/MQTTnet/Server/Internal/MqttServerKeepAliveMonitor.cs
+17 -14
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@@ -1,21 +1,24 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Threading;
using System.Threading.Tasks;
using MQTTnet.Client.Disconnecting;
using MQTTnet.Diagnostics;
using MQTTnet.Diagnostics.Logger;
using MQTTnet.Implementations;
using MQTTnet.Internal;
using MQTTnet.Protocol;
namespace MQTTnet.Server.Internal
namespace MQTTnet.Server
{
public sealed class MqttServerKeepAliveMonitor
{
readonly IMqttServerOptions _options;
readonly MqttServerOptions _options;
readonly MqttClientSessionsManager _sessionsManager;
readonly MqttNetSourceLogger _logger;
public MqttServerKeepAliveMonitor(IMqttServerOptions options, MqttClientSessionsManager sessionsManager, IMqttNetLogger logger)
public MqttServerKeepAliveMonitor(MqttServerOptions options, MqttClientSessionsManager sessionsManager, IMqttNetLogger logger)
{
_options = options ?? throw new ArgumentNullException(nameof(options));
_sessionsManager = sessionsManager ?? throw new ArgumentNullException(nameof(sessionsManager));
@@ -41,7 +44,7 @@ namespace MQTTnet.Server.Internal
while (!cancellationToken.IsCancellationRequested)
{
TryMaintainConnections();
TryProcessClients();
PlatformAbstractionLayer.Sleep(_options.KeepAliveMonitorInterval);
}
}
@@ -58,16 +61,16 @@ namespace MQTTnet.Server.Internal
}
}
void TryMaintainConnections()
void TryProcessClients()
{
var now = DateTime.UtcNow;
foreach (var connection in _sessionsManager.GetConnections())
foreach (var client in _sessionsManager.GetClients())
{
TryMaintainConnection(connection, now);
TryProcessClient(client, now);
}
}
void TryMaintainConnection(MqttClientConnection connection, DateTime now)
void TryProcessClient(MqttClient connection, DateTime now)
{
try
{
@@ -83,7 +86,7 @@ namespace MQTTnet.Server.Internal
return;
}
if (connection.IsReadingPacket)
if (connection.ChannelAdapter.IsReadingPacket)
{
// The connection is currently reading a (large) packet. So it is obviously
// doing something and thus "connected".
@@ -102,18 +105,18 @@ namespace MQTTnet.Server.Internal
return;
}
_logger.Warning("Client '{0}': Did not receive any packet or keep alive signal.", connection.ClientId);
_logger.Warning("Client '{0}': Did not receive any packet or keep alive signal.", connection.Id);
// Execute the disconnection in background so that the keep alive monitor can continue
// with checking other connections.
// We do not need to wait for the task so no await is needed.
// Also the internal state of the connection must be swapped to "Finalizing" because the
// next iteration of the keep alive timer happens.
var _ = connection.StopAsync(MqttClientDisconnectReason.KeepAliveTimeout);
var _ = connection.StopAsync(MqttDisconnectReasonCode.KeepAliveTimeout);
}
catch (Exception exception)
{
_logger.Error(exception, "Client {0}: Unhandled exception while checking keep alive timeouts.", connection.ClientId);
_logger.Error(exception, "Client {0}: Unhandled exception while checking keep alive timeouts.", connection.Id);
}
}
}