TINYMQTT

credentials = {
 c1 = {
 username = "username"
 password = "password"
 }
}
client {
 credential {
 mode = "normal" // "aliyun-signature"
 name = "c1"
 }
 // while credential.mode = aliyun-signature, choice one config item as following for device-id
 device-id = "1001" // priority 1
 device-id-env = "HOST" // priority 2
 device-id-file = "/data/local/tmp/mqtt_device_id" // priority 3
 //while credential.mode = aliyun-signature
 group-id = "GID_TEST"
 client-id = "" // no need while credential.mode = aliyun-signature
 broker-server = "127.0.0.1:1883"
 keep-alive = 3s
 ping-timeout = 1s
 clean-session = false
 quiesce = 250
 store {
 provider = memory
 }
}