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Refactor serializer locking and thread instances.

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This commit is contained in:
Christian Kratky
2018-06-19 20:52:31 +02:00
parent 66048931a2
commit bc20850fba
17 changed files with 123 additions and 113 deletions
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Source/MQTTnet.Extensions.ManagedClient/ManagedMqttClient.cs
+18 -23
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@@ -7,7 +7,6 @@ using System.Threading.Tasks;
using MQTTnet.Client;
using MQTTnet.Diagnostics;
using MQTTnet.Exceptions;
using MQTTnet.Internal;
using MQTTnet.Protocol;
namespace MQTTnet.Extensions.ManagedClient
@@ -15,8 +14,7 @@ namespace MQTTnet.Extensions.ManagedClient
public class ManagedMqttClient : IManagedMqttClient
{
private readonly BlockingCollection<ManagedMqttApplicationMessage> _messageQueue = new BlockingCollection<ManagedMqttApplicationMessage>();
private readonly Dictionary<string, MqttQualityOfServiceLevel> _subscriptions = new Dictionary<string, MqttQualityOfServiceLevel>();
private readonly AsyncLock _subscriptionsLock = new AsyncLock();
private readonly ConcurrentDictionary<string, MqttQualityOfServiceLevel> _subscriptions = new ConcurrentDictionary<string, MqttQualityOfServiceLevel>();
private readonly List<string> _unsubscriptions = new List<string>();
private readonly IMqttClient _mqttClient;
@@ -118,39 +116,36 @@ namespace MQTTnet.Extensions.ManagedClient
_messageQueue.Add(applicationMessage);
}
public async Task SubscribeAsync(IEnumerable<TopicFilter> topicFilters)
public Task SubscribeAsync(IEnumerable<TopicFilter> topicFilters)
{
if (topicFilters == null) throw new ArgumentNullException(nameof(topicFilters));
using (await _subscriptionsLock.LockAsync(CancellationToken.None).ConfigureAwait(false))
foreach (var topicFilter in topicFilters)
{
foreach (var topicFilter in topicFilters)
_subscriptions[topicFilter.Topic] = topicFilter.QualityOfServiceLevel;
_subscriptionsNotPushed = true;
}
return Task.FromResult(0);
}
public Task UnsubscribeAsync(IEnumerable<string> topics)
{
foreach (var topic in topics)
{
if (_subscriptions.TryRemove(topic, out _))
{
_subscriptions[topicFilter.Topic] = topicFilter.QualityOfServiceLevel;
_unsubscriptions.Add(topic);
_subscriptionsNotPushed = true;
}
}
}
public async Task UnsubscribeAsync(IEnumerable<string> topics)
{
using (await _subscriptionsLock.LockAsync(CancellationToken.None).ConfigureAwait(false))
{
foreach (var topic in topics)
{
if (_subscriptions.Remove(topic))
{
_unsubscriptions.Add(topic);
_subscriptionsNotPushed = true;
}
}
}
return Task.FromResult(0);
}
public void Dispose()
{
_messageQueue?.Dispose();
_subscriptionsLock?.Dispose();
_connectionCancellationToken?.Dispose();
_publishingCancellationToken?.Dispose();
}
@@ -289,7 +284,7 @@ namespace MQTTnet.Extensions.ManagedClient
List<TopicFilter> subscriptions;
List<string> unsubscriptions;
using (await _subscriptionsLock.LockAsync(CancellationToken.None).ConfigureAwait(false))
lock (_subscriptions)
{
subscriptions = _subscriptions.Select(i => new TopicFilter(i.Key, i.Value)).ToList();