Change in osmo-sgsn[master]: osmo-sgsn: ping GGSN periodically and check for restart counter

[Pau Espin Pedrol]

Hello Jenkins Builder, 

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

    https://gerrit.osmocom.org/9934

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

Change subject: osmo-sgsn: ping GGSN periodically and check for restart counter
......................................................................

osmo-sgsn: ping GGSN periodically and check for restart counter

Before this commit, echo req/rsp logic was implemented in libgtp but
never used in osmo-sgsn.

This commit adds a timer which periodically sends a GTP ECHO Request to
every GGSN if there's at least one pdpd context associated with it. This
way by checking the restart counter in the ECHO Reply it can be known if
the GGSN was restarted. In this case, logic already present in osmo-sgsn
will terminate all pdp contexts associated with that GGSN.

Change-Id: I9d714726785407859f26bbef052cd0efc28e8dae
---
M include/osmocom/sgsn/gprs_sgsn.h
M include/osmocom/sgsn/sgsn.h
M src/gprs/gprs_sgsn.c
M src/gprs/sgsn_libgtp.c
M src/gprs/sgsn_vty.c
5 files changed, 58 insertions(+), 2 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-sgsn refs/changes/34/9934/3
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Gerrit-Project: osmo-sgsn
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I9d714726785407859f26bbef052cd0efc28e8dae
Gerrit-Change-Number: 9934
Gerrit-PatchSet: 3
Gerrit-Owner: Pau Espin Pedrol <pespin at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-CC: Harald Welte <laforge at gnumonks.org>
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