Re: [Flashcoders] SharedObjects read / write crash

[Glen Pike]

Hi,

   What OS / Kernel are you using?

   Thanks

   Glen

Ivan Dembicki wrote:

Hello Glen,

works fine for me:

[SWF] C:\FDT\AS\Tests\Main.swf - 2 947 bytes after decompression
[object Main] loading persisted value
[object Main] loaded value is 123
[object Main] saving value 123
result true


2010/3/1 Glen Pike <g...@engineeredarts.co.uk>:

Hi Guys,

  I am having a problem using SharedObjects on Gentoo - kernel 2.6.29 that
does not seem to appear in 2.6.30, but I want to make sure it is not because
of some setting on my machine.

  We run FlashPlayer from the command line, but still seem to be governed by
the FlashPlayer settings, which have been "applied" using the browser and
the "Settings Panel SWF".

  Problem is the following code in testPersistence() seems to kill the
FlashPlayer with a segfault in one of the libc libraries on my machine.
 Because we are using cloned disks, I am a bit wary that the settings for FP
may be screwed, or a permissions error may be occurring.

  I just wanted to know if anyone else has seen this at all - I have googled
and jira'd but no luck at the moment.

  Cheers

  Glen
public class Persistence {
      protected static var _instance:Persistence;
            public function Persistence() {
          if (null != _instance) {
              throw Error("Cannot have more than one instance of
Persistence");
          }
          _instance = this;
      }
            public static function getInstance():Persistence {
          if (null == _instance) {
              _instance = new Persistence( );
          }
          return _instance;
      }
      public static function saveValue(name:String, value:*):Boolean {
          var so:SharedObject = SharedObject.getLocal("interface_app");
                    if (null == so) {
              return false;
          }
          try {
              so.data[name] = value;
          }catch (e:Error) {
              trace("Persistence::saveValue exception " + e);
          }
          var res:String = so.flush();
          if (SharedObjectFlushStatus.FLUSHED == res) {
              return true;
          } else {
              return false;
          }
      }
            public static function loadValue(name:String):* {
          var so:SharedObject = SharedObject.getLocal("interface_app");
          if (null == so) {
              return null;
          }
          var value:*;
          try {
              value =  so.data[name];
          } catch (e:Error) {
              trace("Persistence::loadValue exception " + e);
          }
          if (undefined == value) {
              value = null;
          }
          return value;
      }
  }
}

function testPersistence():void {
  try {
              trace(this, "loading persisted value");
              var testing:Object = Persistence.loadValue("testing");
              trace(this, "loaded value is " + testing);
              trace(this, "saving value 123");
              //The following line triggers a SEGFAULT
              var result:Boolean = Persistence.saveValue("testing", "123");
              trace("result " + result);
          } catch (e:Error) {
              trace("there was an error " + e);
          }
}
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