openbsc.git branch jerlbeck/wip/gprs-patching updated. 0.13.0-894-g9668599

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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/openbsc/commit/?id=966859933250d61a05c069e8871e20e08fd0c2af

commit 966859933250d61a05c069e8871e20e08fd0c2af
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Mon Jan 19 18:01:42 2015 +0100

    sgsn: Remove inactive LLME/MM after inactivity timeout (TODO)
    
    Currently old LLMEs and MM contexts that haven't been explicitly
    detached or cancelled are not removed until another request with the
    same IMSI is made. These stale entries may accumulate over time and
    severely compromise the operation of the SGSN.
    
    This patch implements age based LLME expiry, when the maximum age has
    been reached, the corresponding MM context is removed. If such an MM
    context doesn't exist, the LLME is unassigned directly.
    
    TODO:
      - split commit
      - replace hard-coded values by real config
    
      - Consider: age_timeout -> age,
                  timeout: age = (age == RESET ? 1 : age + TICK)
                  pro: avoid clock_gettime
                  cons: dirty cache per LLME, osmo_timer is based on
                  CLOCK_REALTIME
    
    Ticket: OW#1364
    Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=3f90ab1f019b734efbca778a0f3f169ce5e48379

commit 3f90ab1f019b734efbca778a0f3f169ce5e48379
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Mon Jan 19 08:27:34 2015 +0100

    gprs: Add GPRS timer conversion functions (TODO)
    
    TODO:
      - commit message
    
    Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=fe625302549c8a27f901f417cb816d7c05a00e8b

commit fe625302549c8a27f901f417cb816d7c05a00e8b
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Tue Sep 30 13:53:26 2014 +0200

    sgsn: Added TODOs (TODO)
    
    TODO:
      - fix and remove TODOs
      - add test cases for Detach(reattach)
      - add test cases for PDP context deletion (OW#1311)
      - add test cases for Cancel pending timer in sgsn_mm_ctx_free
      - implement age based MM context expiry
      - remove this commit
    
    Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=70fb27bcfcfd79480e16a888588198747b6b9a13

commit 70fb27bcfcfd79480e16a888588198747b6b9a13
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Fri Oct 17 10:08:02 2014 +0200

    sgsn: Do not die in _bssgp_tx_dl_ud on TLLI mismatch (TODO)
    
    Currently an OSMO_ASSERT fails, if the message's and the mmctx's
    TLLIs do not match.
    
    This commit turns the assertion into an ERROR log message and uses
    the default values for IMSI, DRX, and RA CAP instead of the MM
    context values in this case.
    
    TODO:
      - find the real source for the problem
      - add test cases derived from what is being described in the ticket
    
    Ticket: OW#1322
    Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=d185e9814d6fe44a3d86627c0fef3cc1d6849e13

commit d185e9814d6fe44a3d86627c0fef3cc1d6849e13
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Wed Dec 17 14:03:35 2014 +0100

    sgsn: Add PDP info to subscriber data (TODO)
    
    TODO:
      - commit message
      - raw binary representation ???
      - tests
    
    Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=0daf96a5e5dfe0e060e2f0992eba17cc7abb6b19

commit 0daf96a5e5dfe0e060e2f0992eba17cc7abb6b19
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Fri Dec 19 19:11:20 2014 +0100

    sgsn: Add logging to connect_timer_cb (TODO)
    
    TODO:
      - LOGLevel ?
    
    Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=b2426e6af78d6fc057e45696168c7c3d56b86584

commit b2426e6af78d6fc057e45696168c7c3d56b86584
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Mon Jan 19 10:56:15 2015 +0100

    gprs: Return 0 from gsup_client_connect if ok or retry timer enabled
    
    Currently the gsup_client_connect return 0 if the call to
    ipa_client_conn_open was successful and -errno otherwise. This makes
    it difficult for the caller to determine, whether the the whole
    operation has been cancelled (currently on EBADF, ENOTSOCK,
    EAFNOSUPPORT, EINVAL) or whether the GSUP client will retry to
    connect after a timeout. This will cause gprs_gsup_client_create to
    destroy the GSUP client object, even if the error might be temporary.
    
    This patch changes the function to return 0 if (and only if)
    ipa_client_conn_open was successful or the retry timer has been
    started. Since the return value 0 doesn't guarantee, that a
    subsequent call to gprs_gsup_client_send will succeed, this shouldn't
    break anything.
    
    Sponsored-by: On-Waves ehf

-----------------------------------------------------------------------

Summary of changes:
 debian/control                          |  4 +--
 openbsc/include/openbsc/gprs_gmm.h      |  2 ++
 openbsc/include/openbsc/mgcp_internal.h |  2 ++
 openbsc/src/gprs/gprs_gmm.c             | 21 +++++++++---
 openbsc/src/gprs/gprs_sgsn.c            |  5 ++-
 openbsc/src/gprs/gprs_utils.c           | 10 ++++--
 openbsc/src/libmgcp/mgcp_network.c      |  6 ++--
 openbsc/src/libmgcp/mgcp_osmux.c        |  1 +
 openbsc/src/libmgcp/mgcp_vty.c          |  2 +-
 openbsc/src/osmo-bsc_nat/bsc_nat_vty.c  |  8 +++--
 openbsc/tests/gprs/gprs_test.c          | 58 +++++++++++++++++++++++++++++++++
 openbsc/tests/gprs/gprs_test.ok         |  1 +
 12 files changed, 100 insertions(+), 20 deletions(-)


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