[asterisk-dev] [Code Review] Finish implementaton of astobj2 OBJ_MULTIPLE, and convert ast_channel_iterator to use it.

Kevin Fleming kpfleming at digium.com
Tue Oct 6 11:25:00 CDT 2009

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(Updated 2009-10-06 11:25:00.056947)

Review request for Asterisk Developers and Russell Bryant.


This version fixes some bugs found during testing, and adds ast_channel_iterator_destroy() calls to a few places that did not have them before. As far as I can tell, this is ready for final review and merging.


This patch finishes the implementation of OBJ_MULTIPLE in astobj2 (the case where multiple results need to be returned; OBJ_NODATA mode already was supported). In addition, it converts ast_channel_iterators (only the targeted versions, not the ones that iterate over all channels) to use this method.

The patch is not yet complete, as astobj2.h needs some editing to document the new structures and remove the existing comments about limitations of OBJ_MULTIPLE, but the functional parts should be complete.

During this work, I removed the 'ao2_flags' arguments to the ast_channel_iterator constructor functions; there were no uses of that argument yet, there is only one possible flag to pass, and it made the iterators less 'opaque'. If at some point in the future someone really needs an ast_channel_iterator that does not lock the container, we can provide constructor(s) for that purpose.

Diffs (updated)

  /trunk/apps/app_chanspy.c 222222 
  /trunk/apps/app_directed_pickup.c 222222 
  /trunk/apps/app_softhangup.c 222222 
  /trunk/funcs/func_channel.c 222222 
  /trunk/include/asterisk/astobj2.h 222222 
  /trunk/include/asterisk/channel.h 222222 
  /trunk/include/asterisk/lock.h 222222 
  /trunk/main/astobj2.c 222222 
  /trunk/main/channel.c 222222 
  /trunk/main/cli.c 222222 
  /trunk/main/manager.c 222222 
  /trunk/res/snmp/agent.c 222222 

Diff: https://reviewboard.asterisk.org/r/379/diff

Testing (updated)

Tested 'core show channels' and channel tab-completion with 'channel request hangup' with four active channels, and everything worked properly, with no discernible memory leaks.



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