Difference between revisions of "Darwin:Alarm Element"

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Revision as of 16:15, 22 December 2018

Alarm message

Overview

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

Detail

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.

Example messages

<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 KnowledgeBaseDTDLocations (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