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Add server events for subscribed and unsubscribed topics. Add pending messages count for connected clients.

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This commit is contained in:
Christian
2018-02-02 22:44:21 +01:00
parent a204d233f6
commit 59dcbf4c0c
12 changed files with 205 additions and 74 deletions
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Frameworks/MQTTnet.NetStandard/Server/MqttClientPendingMessagesQueue.cs
+13 -11
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@@ -15,16 +15,18 @@ namespace MQTTnet.Server
private readonly ConcurrentQueue<MqttBasePacket> _queue = new ConcurrentQueue<MqttBasePacket>();
private readonly SemaphoreSlim _queueWaitSemaphore = new SemaphoreSlim(0);
private readonly IMqttServerOptions _options;
private readonly MqttClientSession _session;
private readonly MqttClientSession _clientSession;
private readonly IMqttNetLogger _logger;
public MqttClientPendingMessagesQueue(IMqttServerOptions options, MqttClientSession session, IMqttNetLogger logger)
public MqttClientPendingMessagesQueue(IMqttServerOptions options, MqttClientSession clientSession, IMqttNetLogger logger)
{
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_session = session ?? throw new ArgumentNullException(nameof(session));
_options = options ?? throw new ArgumentNullException(nameof(options));
_clientSession = clientSession ?? throw new ArgumentNullException(nameof(clientSession));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
}
public int Count => _queue.Count;
public void Start(IMqttChannelAdapter adapter, CancellationToken cancellationToken)
{
if (adapter == null) throw new ArgumentNullException(nameof(adapter));
@@ -44,7 +46,7 @@ namespace MQTTnet.Server
_queue.Enqueue(packet);
_queueWaitSemaphore.Release();
_logger.Trace<MqttClientPendingMessagesQueue>("Enqueued packet (ClientId: {0}).", _session.ClientId);
_logger.Trace<MqttClientPendingMessagesQueue>("Enqueued packet (ClientId: {0}).", _clientSession.ClientId);
}
private async Task SendQueuedPacketsAsync(IMqttChannelAdapter adapter, CancellationToken cancellationToken)
@@ -61,7 +63,7 @@ namespace MQTTnet.Server
}
catch (Exception exception)
{
_logger.Error<MqttClientPendingMessagesQueue>(exception, "Unhandled exception while sending enqueued packet (ClientId: {0}).", _session.ClientId);
_logger.Error<MqttClientPendingMessagesQueue>(exception, "Unhandled exception while sending enqueued packet (ClientId: {0}).", _clientSession.ClientId);
}
}
@@ -78,24 +80,24 @@ namespace MQTTnet.Server
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, packet).ConfigureAwait(false);
_logger.Trace<MqttClientPendingMessagesQueue>("Enqueued packet sent (ClientId: {0}).", _session.ClientId);
_logger.Trace<MqttClientPendingMessagesQueue>("Enqueued packet sent (ClientId: {0}).", _clientSession.ClientId);
}
catch (Exception exception)
{
if (exception is MqttCommunicationTimedOutException)
{
_logger.Warning<MqttClientPendingMessagesQueue>(exception, "Sending publish packet failed due to timeout (ClientId: {0}).", _session.ClientId);
_logger.Warning<MqttClientPendingMessagesQueue>(exception, "Sending publish packet failed due to timeout (ClientId: {0}).", _clientSession.ClientId);
}
else if (exception is MqttCommunicationException)
{
_logger.Warning<MqttClientPendingMessagesQueue>(exception, "Sending publish packet failed due to communication exception (ClientId: {0}).", _session.ClientId);
_logger.Warning<MqttClientPendingMessagesQueue>(exception, "Sending publish packet failed due to communication exception (ClientId: {0}).", _clientSession.ClientId);
}
else if (exception is OperationCanceledException)
{
}
else
{
_logger.Error<MqttClientPendingMessagesQueue>(exception, "Sending publish packet failed (ClientId: {0}).", _session.ClientId);
_logger.Error<MqttClientPendingMessagesQueue>(exception, "Sending publish packet failed (ClientId: {0}).", _clientSession.ClientId);
}
if (packet is MqttPublishPacket publishPacket)
@@ -108,7 +110,7 @@ namespace MQTTnet.Server
}
}
await _session.StopAsync();
await _clientSession.StopAsync();
}
}