[sr-dev] [kamailio/kamailio] usrloc: extend handle_lost_tcp use for get_urecord (#1365)

Vasiliy Ganchev notifications at github.com
Wed Dec 13 10:34:31 CET 2017


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#### Type Of Change
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- [ ] Breaking change (fix or feature that would change existing functionality)

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#### Description
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Hi there!
So my case, and why I did not use the existing code:
- incoming INVITE to a user with 2 records in usrloc (1st - UDP, 2nd - TLS)
- some time before lookup, TLS connect of 2nd device is closed, but usrloc record still exists (it going to be removed in the next iteration of timer)
- after lookup(location) - 2 branches are created
- send to 1st - UDP succeed
- send to 2nd - TLS failed. And here is my headache.
-- I want to send push notification to this device
-- I set t_on_branch_failure
-- if I try failure_exec_mode=1 - I get control, and I am able to send push, but I need to wait until fr_timer fire (I wanted not to wait, and send immediately)

The idea of changes:
- usrloc -> get_urecord: if t_contact has tcpcon_id & connection is not alive => mark record as expired
- as a result, in the registrar, while lookup, this contact will fail VALID_CONTACT - and will not be returned to the scriptwriter.

All of this is wrapped by handle_lost_tcp parameter (that is 0 by default), so changes are extending of handle_lost_tcp parameter of usrloc. Checked doc for usrloc, and seems to me that current description of this parameter should be untouched.

Marked as expired contact will be removed by timer as usual.

Open for discussion, and thanks in advance.
You can view, comment on, or merge this pull request online at:

  https://github.com/kamailio/kamailio/pull/1365

-- Commit Summary --

  * pua_reginfo: use outbound proxy for PUBLISHes
  * pua_reginfo: correct docs
  * Merge branch 'master' of https://github.com/kamailio/kamailio
  * usrloc: extend handle_lost_tcp use for get_urecord

-- File Changes --

    M src/modules/usrloc/udomain.c (15)
    M src/modules/usrloc/urecord.c (4)
    M src/modules/usrloc/urecord.h (4)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/1365.patch
https://github.com/kamailio/kamailio/pull/1365.diff

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