libraryDependencies += "com.thing2x.smqd" %% "smqd-bridge-mqtt" % "x.y.z"smqd {
bridge {
drivers = [
{
name = mqtt_br
entry.plugin = com.thing2x.smqd.bridge.MqttBridgeDriver
config {
destination = "127.0.0.1:1883"
client-id = bridge_client
user = userid
password = userpassword
queue = 20
overflow-strategy = drop-buffer
keep-alive-interval = 10s
bridges = [
{
topic = "sensor/+/temperature"
qos = 0
},
{
topic = "sensor/+/humidity"
prefix = "bridged/data/"
suffix = "/json"
qos = 1
}
]
}
}
]
}
}
-
destination
desitnation mqtt server's address and port
-
client-id
client-id used to connect for destination mqtt server (default: MqttBridge-${driver's name})
-
user and password
login user name and password. one or both of them can be omitted from config as Mqtt Specification
-
keep-alive-interval
mqtt keepAliveInterval setting. default is 60 seconds
smqd sends PINGREQ to destination mqtt server for every interval of this value
-
queue
size of driver's queue, default is 10
-
overflow-strategy
queue overflow strategy
- drop-head
- drop-tail
- drop-buffer (default)
- drop-new
- backpressure
- fail
-
topic
topic filter that the bridge will subscribe
-
prefix & suffix
if those settings are not defined, received messages will be published to destination mqtt server with same topic name.
if exists, prefix and suffix will be appended at the head and tail of original topic path before published
-
qos
0, 1, 2 (default: 0)