D23576: Add property lastScan to WirelessDevice and associated change signal

[Jan Grulich]

jgrulich added a comment.


  In D23576#522340 <https://phabricator.kde.org/D23576#522340>, @meven wrote:
  
  > I am hesitant to add a second field "previousScan" that would store the previous lastScan timeStamp when a new one arrives.
  >  This would be used to compute the time elapsed between the scans which is necessary to do since Network manager requires scans to be at least 10 seconds apart :
  >  https://github.com/NetworkManager/NetworkManager/blob/master/src/devices/wifi/nm-device-wifi.c#L1205
  
  
  That would be useful I guess and could be used in plasma-nm.
  
  1. You should set initial lastScan property to "-1" which should indicate there was no scan attempt
  2. Mention that it will work only when NM 1.12+ is running, older NM releases don't support this property
  3. Above mentioned will be a problem when you would like to rely on that in plasma-nm, because we should be working even with older NM versions

REPOSITORY
  R282 NetworkManagerQt

REVISION DETAIL
  https://phabricator.kde.org/D23576

To: meven, jgrulich
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns
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