[asterisk-dev] [Code Review] Don't keep the STUN socket open between STUN monitor checks.

[rmudgett]

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This is an automatically generated e-mail. To reply, visit:
https://reviewboard.asterisk.org/r/1595/
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Review request for Asterisk Developers.


Summary
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Don't keep the STUN socket open between STUN monitor checks.

Keeping the STUN socket always open will cause the STUN monitor to fail if 
the STUN server address or our own address changes.  

* Fix the reverse problem of the STUN server address changing after the 
initial DNS resolution by using the dnsmgr to refresh the DNS resolution.  
However, refreshing the DNS resolution may not be desireable for all 
cases, as a result the stunservermonitor option is added to enable this.  

* Fix ast_stun_request() return value consistency.


This addresses bug ASTERISK-18327.
    https://issues.asterisk.org/jira/browse/ASTERISK-18327


Diffs
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  /branches/1.8/main/stun.c 345978 
  /branches/1.8/res/res_stun_monitor.c 345978 
  /branches/1.8/configs/res_stun_monitor.conf.sample 345978 

Diff: https://reviewboard.asterisk.org/r/1595/diff


Testing
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The STUN request still goes out periodically.
The STUN server DNS address is refreshed periodically if the new stunservermonitor option is enabled.


Thanks,

rmudgett

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