Change in osmo-msc[master]: sgs_iface: detect and react to VLR/HLR failure

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Harald Welte gerrit-no-reply at lists.osmocom.org
Mon May 27 11:49:53 UTC 2019


Harald Welte has uploaded a new patch set (#4) to the change originally created by dexter. ( https://gerrit.osmocom.org/13559 )

Change subject: sgs_iface: detect and react to VLR/HLR failure
......................................................................

sgs_iface: detect and react to VLR/HLR failure

The HLR (which is connected via the GSUP interface) may fail and
disconnect. On the next location update the VLR will try to talk to the
HLR and fail. This failure event is not communicated towards the SGs
related code and the SGs-association will remain in the LA-PRESENT state
forever. Lets add code to report the problem to the SGs code and trigger
a RESET an the SGs interface.

- Add a flag to report an HLR problem back to the SGs code
- Fix the FSM that controls the reset
- Make sure the all SGs associations are reset when the failure occurs.

Change-Id: Icc7df92879728bc98c85fc1d5d8b4c6246501b12
Related: OS#3859
---
M include/osmocom/msc/vlr_sgs.h
M src/libmsc/sgs_iface.c
M src/libvlr/vlr.c
M src/libvlr/vlr_sgs_fsm.c
4 files changed, 50 insertions(+), 20 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-msc refs/changes/59/13559/4
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Gerrit-Project: osmo-msc
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Icc7df92879728bc98c85fc1d5d8b4c6246501b12
Gerrit-Change-Number: 13559
Gerrit-PatchSet: 4
Gerrit-Owner: dexter <pmaier at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder (1000002)
Gerrit-Reviewer: Pau Espin Pedrol <pespin at sysmocom.de>
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