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    • Mark Ryan's avatar
      [Introspection] Fixed bug 97 · f9d60bd7
      Mark Ryan authored
      The fix is nasty but I can't see any other way to fix the issue
      without having to change dleyna-core and GUPnP.  This will have
      to be done anyway at some point but in the meantime this is a
      serious bug that needs to be patched ASAP.
      
      The fix works as follows:
      
      1. We use a weak refererence to detect if we have lost our renderer
      during a call to gupnp_service_info_get_introspection.  If we have
      we return control direcly to the main loop failing any task and
      making sure we do not access the device object.
      
      2. We make sure that gupnp_service_info_get_introspection is not called
      inside an event callback from GUPnP.  Otherwise changes to the list of
      devices in our callback can result in a crash when we return control back
      to GUPnP.
      
      Long term we need to retrieve introspection information asynchronously
      during device construction and not during calls to GetProp or in
      event handlers.  We might has well initialise the properties during
      device construction as well.  This will simplify the code.  Before
      this can be done however, we need a way to cancel
      gupnp_service_info_get_introspection_async and a way to call this
      function inside a task queue.
      Signed-off-by: default avatarMark Ryan <mark.d.ryan@intel.com>
      f9d60bd7
    • Regis Merlino's avatar
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