Revision as of 16:15, 22 December 2018

Alarm message

An Alarm message indicates that a feed in to Darwin has stopped, or has re-started.

The alarms sent are as follows:

Alarm	Meaning
tdAreaFail	Darwin has detected that no data has been received from a single TD for a period of time
tdFeedFail	Darwin has detected that no data has been received from any TD for a period of time
tyrellFeedFail	Darwin has detected that its connection to Tyrell has failed

Each alarm has a unique identifier, and may be cleared with an alarm being received with a 'clear' element and the same unique identifier.

<alarm>
  <al:set id="20669">
    <al:tdFeedFail />
  </al:set>
</alarm>

<alarm>
  <al:clear>
    20669
  </al:clear>
</alarm>

National Rail Enquiries Data Feeds
Data Feeds	About the Feeds • Darwin Webservice (Public) • Darwin Webservice (Staff) • Historical Service Performance • Push Port • KnowledgeBase • DTD • Locations (PoC) • Real Time Journey Planner
LDB API	About
LDB-SV API	About
HSP	About
DTD	About • Fares • Timetable
Push Port	About • XML Schemas • Schedules • Associations • Train Status • Station Messages • Alarms • Train Order • Train Alerts • Formations • Formation loading

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