openbsc.git branch neels/vlr updated. 0.15.0-692-ge2c61e448

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Tue Feb 21 01:02:52 UTC 2017

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commit e2c61e448c6ef7ab34cf9588a9322c0168d2e41b
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed Feb 15 00:20:44 2017 +0100

    vlr: get SMS working, by SMS recipient MSISDN round-robin
    The SQL based lookup of SMS for attached subscribers no longer works since the
    SQL database no longer has the subscriber data. Replace with a round-robin on
    the SMS recipient MSISDNs paired with a VLR subscriber RAM lookup whether the
    subscriber is currently attached.
    If there are many SMS for not-attached subscribers in the SMS database, this
    will become inefficient: a DB hit returns a pending SMS, the RAM lookup will
    reveal that the subscriber is not attached, after which the DB is hit for the
    next SMS. It would become more efficient e.g. by having an MSISDN based hash
    list for the VLR subscribers and by marking non-attached SMS recipients in the
    SMS database so that they can be excluded with the SQL query already.
    There is a sanity limit to do at most 100 db hits per attempt to find a pending
    SMS. So if there are more than 100 stored SMS waiting for their recipients to
    actually attach to the MSC, it may take more than one SMS queue trigger to
    deliver SMS for subscribers that are actually attached.
    This is not very beautiful, but is merely intended to carry us over to a time
    when we have a proper separate SMSC entity.
    Change-Id: I1acf9debb6ba9164e6edcfd5bc5e48e8c98f2b01

commit cfe10e0bd678e7fa4fb4ffa8bc0d89816c75b7bd
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Feb 14 17:42:25 2017 +0100

    logging: auth request: use hexdump without spaces for RAND, AUTN
    Change-Id: I656d8619a1adc93e2f627f4e1ba21512a7374279

commit 09c43e7306f637c2fd71cfb4b0e0d54b6a67bef9
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Feb 12 00:34:35 2017 +0100

    reject concurrency test
    Change-Id: I5c04b1cf0ad302c35968e0f8dfb122997f3f7bf1

commit 652fac1f68b78157d64555f19825ee91d191a8d6
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed Jan 25 15:04:16 2017 +0100

    Add msc_vlr test suite for MSC+VLR end-to-end tests
    Change-Id: Ic073f3a069a7f5e7e421e0e56140f069ee9b10b8

commit 7c7c9e03b2d5c419e543ea035f735aa4ab5f439a
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Feb 3 02:42:47 2017 +0100

    Use libvlr in libmsc (large refactoring)
    Original libvlr code is by Harald Welte <laforge at>,
    polished and tweaked by Neels Hofmeyr <nhofmeyr at>.
    This is a long series of development collapsed in one patch. The original
    history may still be available as branch neels/vlr_orig.
    TODO: This commit may be split in several smaller changes before merging to
    Related: OS#1592
    Change-Id: I702ba504ce2de93507312c28eca8d11f09f4ee8b

commit 61024944c2490cd571807b7dac9c11d85bed4fb1
Author: Harald Welte <laforge at>
Date:   Fri Jun 17 00:06:42 2016 +0200

    Add libvlr implementation
    Original libvlr code is by Harald Welte <laforge at>,
    polished and tweaked by Neels Hofmeyr <nhofmeyr at>.
    This is a long series of development collapsed in one patch. The original
    history may still be available as branch neels/vlr_orig.
    Related: OS#1592
    Change-Id: I3f75de5f0cc2ff77f276fd39832dd3621309c4b9

commit 8160d7881311dfd720b3ed0df69d021dda159a2a
Author: Harald Welte <laforge at>
Date:   Sun Jun 19 18:06:02 2016 +0200

    Introduce subscriber_connection ref-counting
    This introduces a reference count for gsm_subscriber_connection. Every
    user of the connection needs to hold a reference until done.  Once the
    reference count dorps to zero, the connection is cleared towards the
    BSC (which subsequently will clear any logical channels associated with
    Related: OS#1592
    Change-Id: I8c05e6c81f246ff8b5bf91312f80410b1a85f15e

commit add3be4413b6eed145686b7f352a8957a70a9097
Author: Harald Welte <laforge at>
Date:   Thu May 5 22:52:41 2016 +0200

    SGSN: Integrate basic support for UMTS AKA
    We already had almost all the parts in place before:
    * GSUP with capability to send us auth_vectors that contain
      either triplets or quintuples
    * mm_context that holds such auth_vectors
    All that we need to add in this patch is the capability to send the AUTN
    parameter in the GMM AUTH REQ and parse the extended RES in the GMM AUTH RESP,
    as well as forwarding AUTS to the HLR upon Sync Error.
    Related: OS#1956
    Tweaked-by: nhofmeyr (AUTS re-sync)
    Change-Id: Ie6a0cefba5e4e7f02cc2eaf6ec006ac07d5c1816


Summary of changes:
 openbsc/include/openbsc/gprs_sgsn.h |  4 +++-
 openbsc/src/gprs/gprs_gmm.c         |  9 +++-----
 openbsc/src/gprs/gprs_subscriber.c  | 44 ++++++++++++++++++-------------------
 openbsc/src/gprs/sgsn_auth.c        |  2 +-
 openbsc/src/gprs/sgsn_vty.c         |  1 -
 5 files changed, 28 insertions(+), 32 deletions(-)

The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)

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