[OpenSIPS-Devel] [OpenSIPS/opensips] 90a007: usrloc HA: Improve management for replicated "labels"

[Liviu Chircu]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 90a00795b1d0685394818c4a69c235f487389878
      https://github.com/OpenSIPS/opensips/commit/90a00795b1d0685394818c4a69c235f487389878
  Author: Liviu Chircu <liviu at opensips.org>
  Date:   2024-11-27 (Wed, 27 Nov 2024)

  Changed paths:
    M modules/usrloc/dlist.h
    M modules/usrloc/ucontact.h
    M modules/usrloc/udomain.c
    M modules/usrloc/ul_cluster.c
    M modules/usrloc/urecord.c

  Log Message:
  -----------
  usrloc HA: Improve management for replicated "labels"

This patch aims to fix the occasional "differring rlabels"
debugging error messages which may occur after a restart in usrloc HA
scenarios, especially if the active SIP box is restarted while
processing REGISTER requests in parallel.

Since both record and contact labels are dynamic, per-instance and lost
on restart, conflicts are to be expected.  The idea behind the fix is to
simply adapt the replicated contact_id to the local instance, thus
preferring the local labels to the remote labels whenever detecting
conflict.



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