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Fix awaits in try/catch

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This commit is contained in:
Christian Kratky
2017-09-12 21:50:07 +02:00
parent f7a8b764d0
commit 16bc9cb203
8 changed files with 40 additions and 38 deletions
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MQTTnet.Core/Client/MqttClient.cs
+10 -14
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@@ -200,16 +200,15 @@ namespace MQTTnet.Core.Client
if (!IsConnected) throw new MqttCommunicationException("The client is not connected.");
}
private Task DisconnectInternalAsync()
private async Task DisconnectInternalAsync()
{
try
{
return _adapter.DisconnectAsync();
await _adapter.DisconnectAsync();
}
catch (Exception exception)
{
MqttTrace.Warning(nameof(MqttClient), exception, "Error while disconnecting.");
return Task.FromResult(0);
}
finally
{
@@ -227,28 +226,28 @@ namespace MQTTnet.Core.Client
}
}
private Task ProcessReceivedPacketAsync(MqttBasePacket mqttPacket)
private async Task ProcessReceivedPacketAsync(MqttBasePacket mqttPacket)
{
try
{
if (mqttPacket is MqttPingReqPacket)
{
return SendAsync(new MqttPingRespPacket());
await SendAsync(new MqttPingRespPacket());
}
if (mqttPacket is MqttDisconnectPacket)
{
return DisconnectAsync();
await DisconnectAsync();
}
if (mqttPacket is MqttPublishPacket publishPacket)
{
return ProcessReceivedPublishPacket(publishPacket);
await ProcessReceivedPublishPacket(publishPacket);
}
if (mqttPacket is MqttPubRelPacket pubRelPacket)
{
return ProcessReceivedPubRelPacket(pubRelPacket);
await ProcessReceivedPubRelPacket(pubRelPacket);
}
_packetDispatcher.Dispatch(mqttPacket);
@@ -257,8 +256,6 @@ namespace MQTTnet.Core.Client
{
MqttTrace.Error(nameof(MqttClient), exception, "Error while processing received packet.");
}
return Task.FromResult(0);
}
private void FireApplicationMessageReceivedEvent(MqttPublishPacket publishPacket)
@@ -275,18 +272,17 @@ namespace MQTTnet.Core.Client
}
}
private Task ProcessReceivedPublishPacket(MqttPublishPacket publishPacket)
private async Task ProcessReceivedPublishPacket(MqttPublishPacket publishPacket)
{
if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.AtMostOnce)
{
FireApplicationMessageReceivedEvent(publishPacket);
return Task.FromResult(0);
}
if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.AtLeastOnce)
{
FireApplicationMessageReceivedEvent(publishPacket);
return SendAsync(new MqttPubAckPacket { PacketIdentifier = publishPacket.PacketIdentifier });
await SendAsync(new MqttPubAckPacket { PacketIdentifier = publishPacket.PacketIdentifier });
}
if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.ExactlyOnce)
@@ -298,7 +294,7 @@ namespace MQTTnet.Core.Client
}
FireApplicationMessageReceivedEvent(publishPacket);
return SendAsync(new MqttPubRecPacket { PacketIdentifier = publishPacket.PacketIdentifier });
await SendAsync(new MqttPubRecPacket { PacketIdentifier = publishPacket.PacketIdentifier });
}
throw new MqttCommunicationException("Received a not supported QoS level.");