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

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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

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This commit is contained in:

Pau Espin 2018-07-09 20:37:47 +02:00

parent 9f5895a21c

commit 7b1098c4e3

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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