touch-packages team mailing list archive

[Timo Jyrinki <timo.jyrinki@xxxxxxxxxxxxx>]

A quick update that with generic plugin there are no problems, except
that QNAMs don't understand when connection is dropped from wifi to 3G
or upgraded from 3G to wifi.

The new network problem when using NM bearer is because these new Qt
patches fixing the bug backported from Qt 5.5 branch rely more than
before on the blocked DBus traffic causing a failure. The same apparmor
rule relaxing
(https://launchpadlibrarian.net/219307454/apparmor_allow_qnetworksession_isopen.patch)
that would fix bug #1404188 would also allow these patches to function
without regressions, but those apparmor changes are not allowed in.

-- 
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Ubuntu.
https://bugs.launchpad.net/bugs/1470700

Title:
  QNetworkAccessManager hangs when in flight mode

Status in qtbase-opensource-src package in Ubuntu:
  Confirmed
Status in thumbnailer package in Ubuntu:
  Triaged

Bug description:
  Testing the fix:

  - Update rc-proposed (vivid) to citrain device-upgrade 32 0000
  - Optional: If you want to test using the 'generic' bearer plugin instead of the Network Manager bearer, either do not upgrade ubuntu-touch-session or move away the file /etc/profile.d/qt_networkmanager_bearer.sh
  - Reboot

  ---

  When my phone is in flight mode, HTTP requests made using
  QNetworkAccessManager seem to hang rather than erroring out
  immediately.

  From my tests, it looks like the HTTP request is blocked until the
  flight mode is disabled and a network connection is reestablished.
  This is contrary to the documentation, which states:

  """If the network is not accessible the network access manager will
  not process any new network requests, all such requests will fail with
  an error. Requests with URLs with the file:// scheme will still be
  processed."""

  http://doc.qt.io/qt-5/qnetworkaccessmanager.html#networkAccessible-
  prop

  By running strace on my test program, it doesn't even look like it
  attempts to open a TCP connection when blocked in flight mode.

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