Change in osmo-msc[master]: libmsc/gsm_09_11.c: implement guard timer for SS sessions

Vadim Yanitskiy gerrit-no-reply at lists.osmocom.org
Thu Nov 29 11:24:04 UTC 2018


Hello Jenkins Builder, 

I'd like you to reexamine a change. Please visit

    https://gerrit.osmocom.org/11992

to look at the new patch set (#3).

Change subject: libmsc/gsm_09_11.c: implement guard timer for SS sessions
......................................................................

libmsc/gsm_09_11.c: implement guard timer for SS sessions

It may happen that either the MS or an ESME would become unresponsive,
e.g. due to a bug, or dropped message. In such cases, the
corresponding transaction will remain unfreed forever.

This change introduces a guard timer, that prevents keeping
'stalled' SS sessions forever. As soon as it expires, both
sides (i.e. MS and ESME) are getting notified, and the
transaction is being released.

By default, the timer expires after 120 seconds. As soon as
either the MS, or an ESME initiates any activity, the timer
is being rescheduled.

The timer can be configured from the VTY:

  msc
   ss-guard-timeout 120

or disabled by setting 0.

Change-Id: Icf4d87c45e90324764073e8230e0fb9cb96dd9cb
Depends Change-Id: (OsmoHLR) I0589ff27933e9bca2bcf93b8259004935778db8f
Related Change-Id: (TTCN) I3e1791773d56617172ae27a46889a1ae4d400e2f
Related: OS#3655
---
M include/osmocom/msc/gsm_data.h
M include/osmocom/msc/transaction.h
M src/libmsc/gsm_09_11.c
M src/libmsc/msc_vty.c
M src/libmsc/osmo_msc.c
5 files changed, 75 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-msc refs/changes/92/11992/3
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Gerrit-Project: osmo-msc
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Icf4d87c45e90324764073e8230e0fb9cb96dd9cb
Gerrit-Change-Number: 11992
Gerrit-PatchSet: 3
Gerrit-Owner: Vadim Yanitskiy <axilirator at gmail.com>
Gerrit-Reviewer: Jenkins Builder (1000002)
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