public override bool Connect(string deviceId, MqttChannel channel)
{
var mqttChannel = GetMqttChannel(deviceId);
if (mqttChannel != null)
{
if (mqttChannel.IsOnine())
{
return(false);
}
else if (!mqttChannel.IsOnine())
{
if (mqttChannel.SubscribeStatus == SubscribeStatus.Yes)
{
var topics = RemoveSubTopic(mqttChannel);
foreach (var topic in topics)
{
Topics.TryGetValue(topic, out IEnumerable <MqttChannel> comparisonValue);
var newValue = comparisonValue.Concat(new[] { channel });
Topics.AddOrUpdate(topic, newValue, (key, value) => newValue);
}
}
}
}
MqttChannels.AddOrUpdate(deviceId, channel, (k, v) => channel);
return(true);
}