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MQTT basic implementation for traccar

Requires traccar 4.5 or later

global configuration parameters ( conf/traccar.xml ):

extra.handlers -
	should point to : com.ivanfm.traccar.mqtt.MQTTHandler

mqtt.url
	URL for mqtt server
	default value tcp://localhost:1883
mqtt.clientid
	clientid used to connect
	default value traccar.mqtt.handler
mqtt.topicRoot
	topic where traccar data will be published
	default value /traccar/
mqtt.alarmTopics
	topics where alarms will be published 
	multiple topics can be used separated by ":"
	default - does not publish alarms

device configuration attributes (attributes button while editing device) :

mqtt.alias
	alias to be used instead of device name
	default - name of device
mqtt.alarmTopics
	topic where alarms will be published
	multiple topics can be used separated by ":"
	default - does not publish alarms in other topic
mqtt.position.process.enabled
	enabled/disable publishing for the device
	default - true
mqtt.position.process.alarms.enabled
	enable/disable publishing of alarms for the device
	default - true
mqtt.geofence.GEOFENCE_ALIAS.topics
	where to publish geofence state changes for device
	multiple topics can be used separated by ":"
	default - does not publish changes in other topics

in case of errors please use the configuration in conf/traccar.xml :

logger.fullStackTraces
	true

To use this handler you must add it to your CLASSPATH environment or include it in your execution command:

java -cp ivanfm-traccar-mqtt-2.2.3-jar-with-dependencies.jar:tracker-server.jar org.traccar.Main conf/traccar.xml

Sample published data on mqtt:

/traccar/device/ivan/id 1
/traccar/device/ivan/name ZF3 - Ivanfm
/traccar/device/ivan/category person
/traccar/device/ivan/phone +5511999999999
/traccar/device/ivan/valid true
/traccar/device/ivan/latlon -99.999999,-99.999999
/traccar/device/ivan/fixtime 2018-03-25T23:59:23Z
/traccar/device/ivan/speed 0.0
/traccar/device/ivan/altitude 0.0
/traccar/device/ivan/protocol osmand
/traccar/device/ivan/attr/batteryLevel 40.0
/traccar/device/ivan/attr/alarm sos
/traccar/device/ivan/attr/distance 0.0
/traccar/device/ivan/attr/totalDistance 7.72461427E7
/traccar/device/ivan/geofence/fence1 1|30|1
/traccar/device/ivan/geofence/fence2 0|17342|0
/traccar/device/ivan/geofence/fence3 0|10906|0
/traccar/device/ivan/geofence/fence4 0|28285|0
/traccar/device/ivan/geofence/fence5 0|30489|0

For geofences the value format is : IN-OUT-CURRENT|DISTANCE-FROM-CENTER|IN-OUT-PREVIOUS

  • IN-OUT-* - 0 OUTSIDE - 1 INSIDE
  • DISTANCE-FROM-CENTER calculated only for circles