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1612 mqttserver subscription to similar base and subtopic with wildcards fails (#1622)

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This commit is contained in:
Christian
2022-12-07 20:59:52 +01:00
committed by GitHub
parent c9c27b9f01
commit f79649d71b
4 changed files with 178 additions and 18 deletions
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Source/MQTTnet/Server/Internal/MqttClientSubscriptionsManager.cs
+15 -12
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@@ -55,18 +55,21 @@ namespace MQTTnet.Server
{
if (_noWildcardSubscriptionsByTopicHash.TryGetValue(topicHash, out var noWildcardSubscriptions))
{
possibleSubscriptions.AddRange(noWildcardSubscriptions.ToList());
possibleSubscriptions.AddRange(noWildcardSubscriptions);
}
foreach (var wcs in _wildcardSubscriptionsByTopicHash)
{
var wildcardSubscriptions = wcs.Value;
var subscriptionHash = wcs.Key;
var subscriptionHashMask = wildcardSubscriptions.HashMask;
if ((topicHash & subscriptionHashMask) == subscriptionHash)
var subscriptionsByHashMask = wcs.Value.SubscriptionsByHashMask;
foreach (var shm in subscriptionsByHashMask)
{
possibleSubscriptions.AddRange(wildcardSubscriptions.Subscriptions.ToList());
var subscriptionHashMask = shm.Key;
if ((topicHash & subscriptionHashMask) == subscriptionHash)
{
var subscriptions = shm.Value;
possibleSubscriptions.AddRange(subscriptions);
}
}
}
}
@@ -265,8 +268,8 @@ namespace MQTTnet.Server
{
if (_wildcardSubscriptionsByTopicHash.TryGetValue(topicHash, out var subscriptions))
{
subscriptions.Subscriptions.Remove(existingSubscription);
if (subscriptions.Subscriptions.Count == 0)
subscriptions.RemoveSubscription(existingSubscription);
if (subscriptions.SubscriptionsByHashMask.Count == 0)
{
_wildcardSubscriptionsByTopicHash.Remove(topicHash);
}
@@ -346,9 +349,9 @@ namespace MQTTnet.Server
// must remove object from topic hash dictionary first
if (hasWildcard)
{
if (_wildcardSubscriptionsByTopicHash.TryGetValue(topicHash, out var subs))
if (_wildcardSubscriptionsByTopicHash.TryGetValue(topicHash, out var subscriptions))
{
subs.Subscriptions.Remove(existingSubscription);
subscriptions.RemoveSubscription(existingSubscription);
// no need to remove empty entry because we'll be adding subscription again below
}
}
@@ -370,11 +373,11 @@ namespace MQTTnet.Server
{
if (!_wildcardSubscriptionsByTopicHash.TryGetValue(topicHash, out var subscriptions))
{
subscriptions = new TopicHashMaskSubscriptions(topicHashMask);
subscriptions = new TopicHashMaskSubscriptions();
_wildcardSubscriptionsByTopicHash.Add(topicHash, subscriptions);
}
subscriptions.Subscriptions.Add(subscription);
subscriptions.AddSubscription(subscription);
}
else
{