Darwin:Alarm Element: Difference between revisions
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<pre><alarm> | |||
<ns11:set id="379654"> | |||
<ns11:tdAreaFail>E1</ns11:tdAreaFail> | |||
</ns11:set> | |||
</alarm> | |||
<alarm> | |||
<ns11:clear>379654</ns11:clear> | |||
</alarm></pre> | |||
{{Navtable-NreDataFeeds}} | |||
[[Category:National Rail Enquiries Data Feeds]] | [[Category:National Rail Enquiries Data Feeds]] | ||
Latest revision as of 09:08, 17 January 2023
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>
<alarm>
<ns11:set id="379654">
<ns11:tdAreaFail>E1</ns11:tdAreaFail>
</ns11:set>
</alarm>
<alarm>
<ns11:clear>379654</ns11: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 |