public async Task <MqttBasePacket> DeserializeAsync(IMqttCommunicationChannel source)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
using (var mqttPacketReader = new MqttPacketReader(source))
{
await mqttPacketReader.ReadToEndAsync();
switch (mqttPacketReader.ControlPacketType)
{
case MqttControlPacketType.Connect:
{
return(await DeserializeConnectAsync(mqttPacketReader));
}
case MqttControlPacketType.ConnAck:
{
return(await DeserializeConnAck(mqttPacketReader));
}
case MqttControlPacketType.Disconnect:
{
return(new MqttDisconnectPacket());
}
case MqttControlPacketType.Publish:
{
return(await DeserializePublishAsync(mqttPacketReader));
}
case MqttControlPacketType.PubAck:
{
return(new MqttPubAckPacket
{
PacketIdentifier = await mqttPacketReader.ReadRemainingDataUShortAsync()
});
}
case MqttControlPacketType.PubRec:
{
return(new MqttPubRecPacket
{
PacketIdentifier = await mqttPacketReader.ReadRemainingDataUShortAsync()
});
}
case MqttControlPacketType.PubRel:
{
return(new MqttPubRelPacket
{
PacketIdentifier = await mqttPacketReader.ReadRemainingDataUShortAsync()
});
}
case MqttControlPacketType.PubComp:
{
return(new MqttPubCompPacket
{
PacketIdentifier = await mqttPacketReader.ReadRemainingDataUShortAsync()
});
}
case MqttControlPacketType.PingReq:
{
return(new MqttPingReqPacket());
}
case MqttControlPacketType.PingResp:
{
return(new MqttPingRespPacket());
}
case MqttControlPacketType.Subscribe:
{
return(await DeserializeSubscribeAsync(mqttPacketReader));
}
case MqttControlPacketType.SubAck:
{
return(await DeserializeSubAck(mqttPacketReader));
}
case MqttControlPacketType.Unsubscibe:
{
return(await DeserializeUnsubscribeAsync(mqttPacketReader));
}
case MqttControlPacketType.UnsubAck:
{
return(new MqttUnsubAckPacket
{
PacketIdentifier = await mqttPacketReader.ReadRemainingDataUShortAsync()
});
}
default:
{
throw new MqttProtocolViolationException($"Packet type ({(int)mqttPacketReader.ControlPacketType}) not supported.");
}
}
}
}