19 Mar
2015
19 Mar
'15
2:49 p.m.
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http://cgit.osmocom.org/osmo-pcu/commit/?id=39645b824a08b355fa48361491d5a1c…
commit 39645b824a08b355fa48361491d5a1c3e9e6bd4d
Author: Jacob Erlbeck <jerlbeck(a)sysmocom.de>
Date: Mon Mar 16 12:27:11 2015 +0100
bssgp: Handle BSSGP STATUS messages
Currently incoming BSSGP STATUS messages are just logged and apart
from that ignored. Since it is possible that the gbproxy can
eventually send both valid replies (from the primary SGSN) and
STATUS(unknown BVCI) messages (from the secondary SGSN). Since the
PCU assumes in this case that the BVC has been successfully reset and
unblocked, it will not send a BVC RESET message after receiving an
NS_UNBLOCK.
This commit changes gprs_bssgp_pcu_rcvmsg to pass BSSGP STATUS
messages to bssgp_rcvmsg() which will in turn call bssgp_prim_cb()
with primitive NM_STATUS. Then the BVC RESET or UNBLOCK procedure
will be started if the IE in the message matches and the PCU assumes
that the BVC should have been successfully reset and unblocked
respectively while the STATUS message tells otherwise.
Note that bssgp_rcvmsg() from libosmocore is otherwise used for the
SGSN side only, albeit it generally just decodes messages, does basic
protocol handling and eventually invokes PRIM indications. The only
exception here is the handling of BVC RESET, which is implemented
specifically for the SGSN.
Ticket: OW#1414
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=1e96af63259272b73625e1aa40f1b93…
commit 1e96af63259272b73625e1aa40f1b935aece7c29
Author: Jacob Erlbeck <jerlbeck(a)sysmocom.de>
Date: Tue Mar 17 08:11:25 2015 +0100
bssgp: Set blocking and reset timer to 30s
Currently the timer T1 and T2 are hard-coded to 1s which is pretty
low in consideration of a possible high latency connection to the
SGSN.
This commit introduces macros for the timer values and sets them to
30s.
Sponsored-by: On-Waves ehf
-----------------------------------------------------------------------
Summary of changes:
src/gprs_bssgp_pcu.cpp | 76 ++++++++++++++++++++++++++++++++++++++++++++------
1 file changed, 68 insertions(+), 8 deletions(-)
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