[asterisk-dev] [Code Review] 4311: res_pjsip: make it unloadable

[Kevin Harwell]

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Review request for Asterisk Developers.


Bugs: ASTERISK-24485
    https://issues.asterisk.org/jira/browse/ASTERISK-24485


Repository: Asterisk


Description
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The res_pjsip module was previously unloadable. With this patch it can now be unloaded.

This patch is based off the original patch on the issue by Corey Farrell with a few modifications. Removed a few changes not required to make the module unloadable and also fixed a bug that would cause asterisk to crash on unloading.


Diffs
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  branches/13/res/res_pjsip/pjsip_outbound_auth.c 430178 
  branches/13/res/res_pjsip/pjsip_options.c 430178 
  branches/13/res/res_pjsip/pjsip_global_headers.c 430178 
  branches/13/res/res_pjsip/pjsip_distributor.c 430178 
  branches/13/res/res_pjsip/pjsip_configuration.c 430178 
  branches/13/res/res_pjsip/location.c 430178 
  branches/13/res/res_pjsip/include/res_pjsip_private.h 430178 
  branches/13/res/res_pjsip/config_transport.c 430178 
  branches/13/res/res_pjsip/config_auth.c 430178 
  branches/13/res/res_pjsip.c 430178 
  branches/13/main/stasis_message_router.c 430178 

Diff: https://reviewboard.asterisk.org/r/4311/diff/


Testing
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Made it so res_pjsip was the only pjsip module loaded and then issued an unload and noted it unloaded successfully (also loaded/unloaded it several times from the CLI). Also when loaded and with REF_DEBUG enabled issued a "core stop gracefully" and made sure there were no ref leaks for the module.

Also tested unloading with other dependent pjsip modules loaded and noted that the module would not unload (as it should since dependencies are currently loaded). And then shutdown asterisk and made sure it did not crash or anything.

Started asterisk with nominal and off nominal module and pjsip configurations to make sure things behaved appropriately (no crashes and such) and then attempted to, or successfully unload the res_pjsip module. Also made sure Asterisk continued to shutdown without incident.


Thanks,

Kevin Harwell

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