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Optimized persisting of retained messages to avoid useless writes to the filesystem

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This commit is contained in:
Christian Kratky
2017-11-08 14:30:13 +01:00
parent 7e48746944
commit d2e481719c
8 changed files with 155 additions and 28 deletions
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MQTTnet.Core/Server/MqttClientSession.cs
+4 -3
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@@ -191,8 +191,9 @@ namespace MQTTnet.Core.Server
private async Task HandleIncomingSubscribePacketAsync(IMqttCommunicationAdapter adapter, MqttSubscribePacket subscribePacket, CancellationToken cancellationToken)
{
var subscribeResult = _subscriptionsManager.Subscribe(subscribePacket, ClientId);
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, subscribeResult.ResponsePacket);
EnqueueRetainedMessages(subscribePacket);
await EnqueueSubscribedRetainedMessagesAsync(subscribePacket);
if (subscribeResult.CloseConnection)
{
@@ -201,9 +202,9 @@ namespace MQTTnet.Core.Server
}
}
private void EnqueueRetainedMessages(MqttSubscribePacket subscribePacket)
private async Task EnqueueSubscribedRetainedMessagesAsync(MqttSubscribePacket subscribePacket)
{
var retainedMessages = _clientRetainedMessageManager.GetMessages(subscribePacket);
var retainedMessages = await _clientRetainedMessageManager.GetSubscribedMessagesAsync(subscribePacket);
foreach (var publishPacket in retainedMessages)
{
EnqueuePublishPacket(publishPacket.ToPublishPacket());