public MqttSession(MqttConfig config)
{
Config = config;
KeepAliveSeconds = config.KeepAliveSeconds;
pubContainer = new PublishContainer(config);
qosLevels = new Dictionary <string, QualityOfServiceLevelType>();
quarantine = new MqttQuarantineTimer(config);
quarantine.OnRetry += Quarantine_OnRetry;
}