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2018-03-28ctx cleanup: use non-NULL talloc ctx for osmo_init_logging2()Neels Hofmeyr1-1/+1
Fix various sanitizer complaints about memory leaks using a sanitizer build with gcc (Debian 7.3.0-12) 7.3.0. Also fix deprecation warnings on osmo_init_logging(). Depends: I216837780e9405fdaec8059c63d10699c695b360 (libosmocore) Change-Id: I970c6f8a0e36a8b63e42349dbc92baff649e5cef
2018-03-22bs11: make bs11_config build againPhilipp Maier2-0/+17
The BS-11 related tool bs11_config is currently not built due to dependancy issues added by GSCON FSM. - Re-Add bs11_config to makefile.am - Add dependencies and stubs Change-Id: I77ee8d2d36813ad98542317d003a9057c4f84e75 Related: OS#2823
2018-03-16introduce an osmo_fsm for gsm_subscriber_connectionHarald Welte1-1/+0
In the current implementation of osmo-bsc, the subscriber connection is not handled (very) statefully. However, there is some state keeping in the code that handles the mgcp connection, but there are still to much loose ends which allow odd situations to happen, which then lead severe error situations (see also closes tags at the end) This commit adds a number of improvements to fix those problems. - Use an osmo-fsm to control the gsm_subscriber_connection state and make sure that certain operations can only take place at certain states (e.g let connection oriented SCCP traffic only pass when an SCCP connection actually exists. Remove the old osmo_bsc_mgcp.c code. Use the recently developed MGCP client FSM to handle the MGCP connections. Also make sure that stuff that already works does not break. This in particular refers to the internal handover capability and the respective unit-tests. See also OS#2823, OS#2768 and OS#2898 - Fix logic to permit assignment to a signalling channel. (OS#2762) - Introduce T993210 to release lchan + subscr_conn if MSC fails to respond The GSM specs don't have an explicit timer for this, so let's introdcue a custom timer (hence starting with 99). This timeout catches the following situation: * we send a SCCP CR with COMPL_L3_INFO from the MS to the MSC, * the MSC doesn't respond (e.g. SCCP routing failure, program down, ...) The MS is supposed to timeout with T3210, 3220 or 3230. But the BSC shouldn't trust the MS but have some timer on its own. SCCP would have a timer T(conn est), but that one is specified to be 1-2min and hence rather long. See also: OS#2775 - Terminate bsc_subscr_conn_fsm on SCCP N-DISC.ind from MSC If the MSC is disconnecting the SCCP channel, we must terminate the FSM which in turn will release all lchan's and other state. This makes TC_chan_rel_hard_rlsd pass, see also OS#2731 As a side-effect, this fixes TC_chan_act_ack_est_ind_refused(), where the MSC is answering with CREF to our CR/COMPL_L3. - Release subscriber connection on RLL RELEASE IND of SAPI0 on main DCCH The subscriber connection isn't really useful for anything after the SAPI0 main signalling link has been released. We could try to re-establish, but our best option is probably simply releasing the subscriber_conn and anything related to it. This will make TC_chan_rel_rll_rel_ind pass, see also OS#2730 This commit has been tested using the BSC_Tests TTCN3 testsuit and the following tests were passed: TC_chan_act_noreply TC_chan_act_ack_noest TC_chan_act_ack_est_ind_noreply TC_chan_act_ack_est_ind_refused TC_chan_act_nack TC_chan_exhaustion TC_ctrl TC_chan_rel_conn_fail TC_chan_rel_hard_clear TC_chan_rel_hard_rlsd TC_chan_rel_a_reset TC_rll_est_ind_inact_lchan TC_rll_est_ind_inval_sapi1 TC_rll_est_ind_inval_sapi3 TC_rll_est_ind_inval_sacch TC_assignment_cic_only TC_assignment_csd TC_assignment_ctm TC_assignment_fr_a5_0 TC_assignment_fr_a5_1_codec_missing TC_assignment_fr_a5_1 TC_assignment_fr_a5_3 TC_assignment_fr_a5_4 TC_paging_imsi_nochan TC_paging_tmsi_nochan TC_paging_tmsi_any TC_paging_tmsi_sdcch TC_paging_tmsi_tch_f TC_paging_tmsi_tch_hf TC_paging_imsi_nochan_cgi TC_paging_imsi_nochan_lac_ci TC_paging_imsi_nochan_ci TC_paging_imsi_nochan_lai TC_paging_imsi_nochan_lac TC_paging_imsi_nochan_all TC_paging_imsi_nochan_plmn_lac_rnc TC_paging_imsi_nochan_rnc TC_paging_imsi_nochan_lac_rnc TC_paging_imsi_nochan_lacs TC_paging_imsi_nochan_lacs_empty TC_paging_imsi_a_reset TC_paging_counter TC_rsl_drop_counter TC_classmark TC_unsol_ass_fail TC_unsol_ass_compl TC_unsol_ho_fail TC_err_82_short_msg TC_ho_int Authors: Harald Welte <laforge@gnumonks.org> Philipp Maier <pmaier@sysmocom.de> Neels Hofmeyr <neels@hofmeyr.de> Closes: OS#2730 Closes: OS#2731 Closes: OS#2762 Closes: OS#2768 Closes: OS#2775 Closes: OS#2823 Closes: OS#2898 Closes: OS#2936 Change-Id: I68286d26e2014048b054f39ef29c35fef420cc97
2018-03-05cosmetic: bsc_network_init(): imply default 001-01 PLMNNeels Hofmeyr1-1/+1
All callers pass mcc=1, mnc=1, so just have it as default. (Prepare for net->country_code etc to be replaced by net->plmn) Change-Id: Ic16bc0bab3f2d4721e86a1a04f9d9f988d777df2
2018-02-14drop libcommon-cs completelyNeels Hofmeyr1-1/+0
Change-Id: I07d4a48af3154ee4d904686f230a51b8b8a94ff9
2018-02-14drop libcommon completely, move remaining files to libbscNeels Hofmeyr1-2/+1
Move gsm_data.c and handover_cfg.c to libbsc, where they belong. This leaves libcommon utterly empty, drop it. Change-Id: I6178061fa30c7e1a4c22c29d3c8f508b1033569f
2018-02-14libcommon: join gsm_data_shared.* into gsm_data.*Neels Hofmeyr1-1/+0
The separation of gsm_data_shared.* from gsm_data.* historically allowed compiling parts of it into osmo-bts, which we have dropped since (osmo-bts has its own copy now). Even though gsm_data.* now becomes rather large by it, remove the legacy separation to get rid of the "shared" naming, which is no longer meaningful. A future patch might separate into meaningful smaller bits, if we get the time. Change-Id: Ie247bc492efb331871d970c56700595ad3f7e201
2018-02-14libcommon: eliminate talloc_ctx.cNeels Hofmeyr1-0/+4
Interestingly enough, talloc_ctx_init() actually had not a single caller. While dropping it, see to it that the few contexts that are actually used in osmo-bsc.git are indeed initialized in all the main scopes. Also initialize two void* ctxts as NULL explicitly, to allocate under the NULL context in case some main scope forgets to branch it off another root context. (That's bsc, fle and paging, all others actually come in from other libraries.) Change-Id: I344a3d07e146999e154824837ed95db2b9879356
2018-02-14libcommon: eliminate debug.cNeels Hofmeyr1-0/+14
Provide concise log categories for each main scope. Move the complete log categories 1:1 to osmo_bsc_main.c. In bsc_nat.c, omit obviously unused log categories. In tests, omit almost all log categories, except for those explicitly tested as the expected output. Note: should any logging occur for a log category that is omitted by accident, such will end up being logged as DLGLOBAL, so it will show up and we can fix it, and it will not get lost silently. Change-Id: Ib524e49ec211662e0dfde8161495a72aa8ad76cf
2017-12-19Remove dead code left over from NITB splitHarald Welte2-2/+1
There still is a lot of dead code that we inherited from the NITB days, let's remove more of it. libtrau will be re-introduced as part of osmo-mgw later. Change-Id: I8e0af56a158f25a4f1384d667c03eb20e72df5b8
2017-09-06move include/openbsc to include/osmocom/bscNeels Hofmeyr6-11/+11
Change-Id: I39e7b882caa98334636d19ccd104fd83d07d5055
2017-09-03configure.ac: remove smpp_mirror, which has no relation to a BSCHarald Welte2-377/+0
smpp_mirror is maintained in osmo-msc.git, so let's remove it (and the associated libsmpp34 build requirement). Change-Id: Ia7b242cc52cf261b1a5dd3c287da2868e1a2b9a8
2017-08-27utils: smpp_mirror: bounce Delivery Receipts as Delivery AcknowledgmentsPablo Neira Ayuso1-9/+8
Simple patch to test the new status-report support code, remove previous code before Delivery Acknowledgement support was in place. Use LOGL_DEBUG for logging messages here as suggested by Neels and Harald. Change-Id: I877e228d8e174430f700631edbf9955972da7892
2017-08-27utils: smpp_mirror: reflect message reference TLVPablo Neira Ayuso1-1/+23
Useful to test the delivery receipt support. This TLV contains the GSM03.40 message reference. Change-Id: I1b0abaa7e06ffe1bd2242c70813d8b70e9fa954f
2017-08-27utils: smpp_mirror: temporarily munch SMPP delivery receiptsPablo Neira Ayuso1-0/+8
Just munch and log SMPP delivery receipts by now, don't mirror this, it is going to break things in openbsc. Follow up patch removes this and mirrors this SMPP message as a SUBMIT_SM with esm_class = Delivery Acknowledgement. Change-Id: I78e93bc4034679e238c8642ccf6a0e844b1d6d8b
2017-08-27utils: smpp_mirror: set registered_delivery field in SMPP SUBMIT_SMPablo Neira Ayuso1-0/+1
To test delivery reports using this utility. Change-Id: I0e477407531fdd4d906e53c9b5a48a79a239966f
2017-08-27move openbsc/* to repos rootNeels Hofmeyr10-0/+2729
This is the first step in creating this repository from the legacy openbsc.git. Like all other Osmocom repositories, keep the autoconf and automake files in the repository root. openbsc.git has been the sole exception, which ends now. Change-Id: I9c6f2a448d9cb1cc088cf1cf6918b69d7e69b4e7