ClearRegisteredMetrics clears all the registered metrics in the database.

GetControllerByID loads a specific controller from database by given ID.

GetControllersList returns a list of all available controllers, including those that are not currently active.

New initialize server and opens a database connection.

NewCollector creates a new instance of iotCollector with a database connection.

RegisterPrefinedMetrics registers predefined metrics into the database.

RetrieveDBMetricsToMap retrives stored metrics in the database into a map.

SwitchDefaultValues initial state.

system event such as start, stop etc.

ThresholdswitchDefaultValues initial state.

TimesSwitchDefaultValues initial state.

Controller data structure.

Dataset ....

PreDefinedMetric.

A structure that holds Sensor data.

Sensor meta information.

Data JSON payload.

Server ....

A telemetry struct holds various telemetry components in memory.