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KATCP_server.md

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KATCP Server

The KATCP Server receives requests from CAM. These requests may include:

  • ?configure
  • ?capture-init
  • ?capture-start
  • ?capture-stop
  • ?capture-done
  • ?deconfigure
  • ?halt
  • ?help
  • ?log-level
  • ?restart [#restartf1]_
  • ?client-list
  • ?sensor-list
  • ?sensor-sampling
  • ?sensor-value
  • ?watchdog
  • ?version-list (only standard in KATCP v5 or later)
  • ?request-timeout-hint (pre-standard only if protocol flags indicates timeout hints, supported for KATCP v5.1 or later)
  • ?sensor-sampling-clear (non-standard)

The ?configure ?capture-init ?capture-start ?capture-stop ?capture-done ?deconfigure and ?halt requests have custom implementations in katcp_server.py's BLBackendInterface class. The rest are inherited from its superclass. Together, these requests (particularly ?configure) contain important metadata, such as the URLs for the raw voltage data streams from the F-engines. The timing of these requests is important too. For instance, the capture-start request is sent when an observation is about to begin.

For more information, please see: