crossbar.edge.worker.monitor._base¶

Classes¶

Host monitor base class.

Module Contents¶

class Monitor(config=None)[source]¶

Bases: object

Host monitor base class.

ID = 'abstract'[source]¶: Sensor ID, must defined in derived class.

_config = None[source]¶

_elapsed = 0[source]¶

_last_period = None[source]¶

_last_poll = None[source]¶

_last_value = None[source]¶

_tick = 0[source]¶

check(config)[source]¶

Check submonitor configuration item.

Override in your derived submonitor class.

Raise a crossbar.common.checkconfig.InvalidConfigException exception when you find an error in the item configuration.

Parameters:: config (dict) – The submonitor configuration item to check.

get(details=None)[source]¶

Get last stats/mesasurement values.

Usually, there is no need to override this in a derived submonitor, as the default implementation already handles storing and returning the last submonitor reading.

Returns:: Last stats/values from monitor.
Return type:: dict or None (when not yet polled)

log[source]¶

poll()[source]¶

Measure current stats value and return new stats.

Override in your derived submonitor class.

Returns:: Current stats from monitor.
Return type:: dict