MQTT Client implementation
MQTT packet state
default client identifier
max publish, subscribe and unsubscribe retry for QoS Level 1 or 2
delay for retry publish, subscribe and unsubscribe for QoS Level 1 or 2 ms
Context for MQTT packet stored in Session
MQTT session status holder
MqttClient settings
/home/tomas/workspace/mqtt-d/source/mqttd/client.d