YangWX/MQTTnet
1
0
Fork 0
mirror of https://github.com/dotnet/MQTTnet.git synced 2026-10-16 17:23:04 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix QoS handling in server

Browse Source
This commit is contained in:
Christian Kratky
2017-11-16 14:17:58 +01:00
parent 8de87c8772
commit 5bcda12ca9
4 changed files with 42 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files
MQTTnet.Core/Server/MqttClientSubscriptionsManager.cs
+21 -13
View File
@@ -8,7 +8,7 @@ namespace MQTTnet.Core.Server
{
public sealed class MqttClientSubscriptionsManager
{
private readonly Dictionary<string, MqttQualityOfServiceLevel> _subscribedTopics = new Dictionary<string, MqttQualityOfServiceLevel>();
private readonly Dictionary<string, MqttQualityOfServiceLevel> _subscriptions = new Dictionary<string, MqttQualityOfServiceLevel>();
private readonly MqttServerOptions _options;
public MqttClientSubscriptionsManager(IOptions<MqttServerOptions> options)
@@ -23,7 +23,7 @@ namespace MQTTnet.Core.Server
var responsePacket = subscribePacket.CreateResponse<MqttSubAckPacket>();
var closeConnection = false;
lock (_subscribedTopics)
lock (_subscriptions)
{
foreach (var topicFilter in subscribePacket.TopicFilters)
{
@@ -38,7 +38,7 @@ namespace MQTTnet.Core.Server
if (interceptorContext.AcceptSubscription)
{
_subscribedTopics[topicFilter.Topic] = topicFilter.QualityOfServiceLevel;
_subscriptions[topicFilter.Topic] = topicFilter.QualityOfServiceLevel;
}
}
}
@@ -54,40 +54,48 @@ namespace MQTTnet.Core.Server
{
if (unsubscribePacket == null) throw new ArgumentNullException(nameof(unsubscribePacket));
lock (_subscribedTopics)
lock (_subscriptions)
{
foreach (var topicFilter in unsubscribePacket.TopicFilters)
{
_subscribedTopics.Remove(topicFilter);
_subscriptions.Remove(topicFilter);
}
}
return unsubscribePacket.CreateResponse<MqttUnsubAckPacket>();
}
public bool IsSubscribed(MqttPublishPacket publishPacket)
public CheckSubscriptionsResult CheckSubscriptions(MqttPublishPacket publishPacket)
{
if (publishPacket == null) throw new ArgumentNullException(nameof(publishPacket));
lock (_subscribedTopics)
lock (_subscriptions)
{
foreach (var subscribedTopic in _subscribedTopics)
foreach (var subscription in _subscriptions)
{
if (publishPacket.QualityOfServiceLevel > subscribedTopic.Value)
if (!MqttTopicFilterComparer.IsMatch(publishPacket.Topic, subscription.Key))
{
continue;
}
if (!MqttTopicFilterComparer.IsMatch(publishPacket.Topic, subscribedTopic.Key))
var effectiveQos = subscription.Value;
if (publishPacket.QualityOfServiceLevel < effectiveQos)
{
continue;
effectiveQos = publishPacket.QualityOfServiceLevel;
}
return true;
return new CheckSubscriptionsResult
{
IsSubscribed = true,
QualityOfServiceLevel = effectiveQos
};
}
}
return false;
return new CheckSubscriptionsResult
{
IsSubscribed = false
};
}
}
}