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* GSUP: implement TCAP-like session managementVadim Yanitskiy2018-05-313-1/+19
| | | | | | | | | | | | | | | | | | | | Unlike TCAP/MAP, GSUP is just a transport layer without the dialogue/context. This prevents us from having session based communication, required e.g. for USSD. But we can emulate TCAP dialogue by adding additional IEs, which would allow to relate each message to a particular session. This change introduces the following IEs: - OSMO_GSUP_SESSION_ID_IE, - OSMO_GSUP_SESSION_STATE_IE, which optionally can be used to indicate that the message is related to a session with given ID, and to manage session state, i.e. initiate, continue, and finish. Change-Id: I1cee271fed0284a134ffed103c0d4bebbcfde2a8 Related: OS#1597
* use osmo_init_logging2() with proper talloc ctxNeels Hofmeyr2018-04-061-1/+2
| | | | | | | | Ironically, when deprecating osmo_init_logging() in I216837780e9405fdaec8059c63d10699c695b360, I forgot to change the callers within libosmocore itself, i.e. in the various regression tests. Change-Id: Ia36c248f99353d5baaa2533f46a2f60a8579bdf8
* GSUP: change osmo_gsup_encode() return typeMax2018-02-051-1/+3
| | | | | | | | | | * match return type of osmo_gsup_encode() with osmo_gsup_decode() to allow propagating error to caller * check return value of osmo_gsup_encode() in GSUP test * return errors instead of braking app with aseert Change-Id: Idaa1deecb6d9e15329bd51867b4f6a03357461f0 Related: OS#2864
* GSUP: don't fail test on first errorMax2018-01-222-4/+30
| | | | | | | | | | Instead of forcing test failure via assert on first error encountered, let it run until completion and print detailed error log. This simplifies troubleshooting by letting user to see more errors from single run and more details on each of the errors. Update test output with explicit test results. Change-Id: I016a28fe04f7b194e22c15e936095004c5f079d1
* gsup: Add encoding/decoding for the pdp charging characteristicsHolger Hans Peter Freyther2017-07-072-5/+8
| | | | | | | | These fields can be in the ISD and the PDP Context inofmration. Store pointers to this IE in both cases. It needs to be used by the SGSN when opening a PDP context. Change-Id: Iedc7c02adcf77ca5c9545119e19c968dfbbb3e6b
* gsup_test: also check stderrNeels Hofmeyr2017-02-222-6/+85
| | | | | | | | | Configure logging to be deterministic and add stderr checking to testuite.at. However, exclude the thousands of message modification log lines from the log to not have a huge test expectation file. Change-Id: I0dd7112967a64a168556b62e5ec15107b7608ffb
* gsup test: add decoding test for UMTS IEsNeels Hofmeyr2017-02-222-1/+61
| | | | | | | | | | This would have caught the wrong expectation of AUTS' length fixed recently (3a5ca647c531b7761dc6c555e5e0cabc972bd3ac). Besides AUTS, add AUTN, RES, CK, IK which were also not tested yet. Change-Id: I6fddf8d7ce97137b0a585d365807bcaf90a319d0 Related: OS#1593
* fix: DLGSUP logging category "unusable"Neels Hofmeyr2016-12-111-5/+0
| | | | | | | | | | | | | | | | | | | All DL* categories are typically negative, but DLGSUP isn't, and it's also not in libosmocore's internal_cat array. See: 3b6fb0880c3ab1e23a3d7d738d073b00c2a794c2 This means that a program using DLGSUP has to include DLGSUP in its own logging cat array (typically not needed for DL* categories), which means for osmo-nitb that DLGSUP (11) replaces DMGCP (also 11), and DMGCP becomes unusable. Fix this: make DLGSUP -11 and include in internal_cat. In gsup_test.c, no longer add DLGSUP to the logging categories array. External follow-ups are otherwise needed only in osmo-hlr.git and some pending patches for openbsc (Id3938267fa062e1a997d3704cd678874306f86ee). Change-Id: Id974c7be158e4d60421a98110f5c807aefd31119
* import gprs_gsup_message.[ch] from openbsc as gsup.[ch]Harald Welte2016-05-062-0/+278
Move those routines from OpenBSC to libosmogsm, so they can be re-used from other programs. I think it was a mistake to add them only inside the openbsc repository in the first place. We need to pay more attention to this in the future.