DMPACK User Guide

A unique sensor node within a sensor network. Contains id, name, description, and optional position.

A unique sensor attached to a node, with id, name, description, and optional position.

A unique measurement target (point of interest, location) with id, name, description, and optional position. Multiple nodes and sensors may share a single target.

A single measurement identified by name and unique UUID identifier that contains requests to and responses from a sensor, referencing a node, a sensor, and a target. An observation can contain up to 8 requests which will be sent to the sensor in sequential order.

Command to send to the sensor, referencing an observation and ordered by index. A request can contain up to 16 responses.

Floating-point values in the raw response of a sensor can be matched by regular expression groups. Each matched group is stored as a response. Responses reference a request, and are ordered by index. They contain name, type, value, unit, and an optional error code.

Log message of a sensor node, either of level debug, info, warning, error, critical, or user, and optionally related to a sensor, a target, and an observation.

Short status message (heartbeat, handshake) that contains node id, client address, client version, time stamp, system uptime, and last connection error, sent periodically from client to server.

Short key–value response of the HTTP-RPC API service in plain-text format.