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When building with CFLAGS="-flto -Wall", I get the following:
meas_pcap2db.c: In function ‘pcap_cb’:
meas_pcap2db.c:64:27: warning: pointer targets in initialization of
‘const char *’ from ‘const u_char *’
{aka ‘const unsigned char *’} differ
in signedness [-Wpointer-sign]
64 | const char *cur = bytes;
Change-Id: I84d8e6f290bda0f03476f182f292ecc7a9e520f2
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When building with CFLAGS="-flto -Wall", I get the following:
meas_db.c: In function ‘_insert_ud’:
meas_db.c:62:23: warning: unused variable ‘rowid’ [-Wunused-variable]
62 | unsigned long rowid;
meas_db.c: In function ‘meas_db_insert’:
meas_db.c:89:13: warning: unused variable ‘rc’ [-Wunused-variable]
89 | int rc;
meas_db.c: In function ‘check_create_tbl’:
meas_db.c:260:16: warning: unused variable ‘rc’ [-Wunused-variable]
260 | int i, rc;
Change-Id: Id12958f67a47b6b3ebece7252e4f7c0835d4bb96
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Change-Id: I8c058d308fc816828b5e6a86e7c5a1f629a2d7c4
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These are not needed anymore since we re-introduced libbsc, specially to
avoid all this churn.
Some specific methods are explicitly required to be overwritten by
tests, so we specificially mark those with __attribute__((weak)) in
order to be able to overwrite them.
This is the last step towards fixing interdependency mess of symbols and
stubs, and requires previous patches in order to have tests apssing
fine.
Change-Id: Ic7401b8a6eb903882e30fda1cf091ac99a254ef0
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Every time a new file is added in osmo-bsc, it ends up being a pain
because its .o file has to be included to other tests/util binaries, or
stubs need to be added.
Let's instead bundle all .o files together in an .la file and pass that
around.
Change-Id: If91dc589ea1e476da105b58846d1c3e720a439e1
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Related: SYS#5303
Change-Id: I4b3919f3098b9468e5e024db1e45427af24c1ad4
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Fix build error:
meas_vis.c:196:16: error: 'struct gsm_meas_rep' has no member named 'bs_power'; did you mean 'bs_power_db'?
Output the value in the same format as before the change that introduced
this regression (dB / 2).
We didn't catch this regression with jenkins because meas_vis is only
built if libcdk is installed.
Related: OS#5173
Fixes: d9b7aedb ("change bs_power to bs_power_db")
Change-Id: I9ba9b491ccbde9aa14cfb14ecc551acb2bfd7674
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The RSL BS Power IE in measurement reports is encoded as dB / 2.
Instead of using this coding all over the code, converting to dB and
often printing confusing values in logging etc, store as plain dB.
The conversions should be at the points where a "weird" format is
defined: the RSL encoding needs divided-by-two, so apply it there. The
meas_vis is (now unfortunately) defined as div-two, and so on. But
internally we now just store the plain dB value and calculate with it
without duplicating the wire decoding step everywhere.
Rename to bs_power_db to clarify the unit of the stored value.
Change-Id: I229db1d6bcf532af95aff56b2ad18b5ed9d81616
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Related: OS#4870
Change-Id: I381472532c2622a8dba7c81ae00ea873c2e58ae1
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Related: OS#4870
Change-Id: I074f4496aa153b5f84e6ce85f413754efe64d831
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Related: OS#4870
Change-Id: I91a5f40324d5373eac885032295690cec97214a6
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The only real 1-1 relationship between BTS NM objects is the one between
GPRS Cell and BTS (which is actually a BTS cell).
In our current osmo-bts implementation we don't care much since we only
handle 1-cell BTSses, but let's make the data structure organization
more generic.
Implementation notes:
The gsm_bts_sm is moved to its own file, APIs to allocate are added and
the new public object is hooked correctly in the allocation process of
osmo-bsc.
Change-Id: I06461b7784fa2a78de37383406e35beae85fbad8
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Change-Id: Iddc008c5737afb2fddd32c628bc5278056a64d89
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Change-Id: Ieed61d1fb1e896db42545c2c3421b20cb41ad549
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Change-Id: Ib4d35316c52eb4c71ea0d352a1e06fd5e600fe08
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Change-Id: I7756a8ce90b6cc8a502b5665889a7987d7f749cb
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Change-Id: Ic001ce6ebeff6f51470ef58140b0235f4a30265e
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With upcoming next commit, the file will contain far more code that
simply ramping, so rename it to be more generic.
Change-Id: I8c368ab87e264439dea4ccf556821a44664cdbb0
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The function initializes the struct owned by a bts, so it makes sense to
have it done there instead of somewhere else later.
It was most probably put in bsc_vty when it was initially introduced
because of all the data structure and object file mess I untangled
during last set of patches.
Change-Id: I66c4b208583e92070793183b83b3a7b7edf6ba00
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Change-Id: I2aa83b499d6e5d06a0fa1001fee3111f7e639c94
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See rant fro similar recent commit moving stuff to bts.*.
Change-Id: I11758ca3d255d849d77bd068f24bb68bde1f89a5
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Place all code related to the object into the related file.
Having all the data model in one file made sense in early stage of
development to make progress quickly, but nowadays it hurts more than
helps, due to constantly growing size and more and more bits being
added to the model, gaining in complexity.
Currently, having lots of different objects mixed up in gsm_data.h is a hole
of despair, where nobody can make any sense were to properly put new stuff
in, ending up with functions related to same object in different files
or with wrong prefixes, declarations of non-existing functions, etc.
because people cannot make up their mind on strict relation to objects
in the data model.
Splitting them in files really helps finding code operating on a
specific object and helping with logically splitting in the future.
Change-Id: I00c15f5285b5c1a0109279b7ab192d5467a04ece
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New define is available since libosmocore 1.1.0, and we already require
1.3.0, so no need to update dependenices.
Let's change it to avoid people re-using old BSC_FD_* symbols when
copy-pasting somewhere else.
Change-Id: Ia5a656567d212fa265aef1375d714d0c5fee5dd6
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Particularly on BS-11 with only one TRX installed, this will improve
the output of bs11_config from
PHASE: 2 Load MBCCU MBCCU0: Load BTSDRX MBCCU1: unknown 0x8 Abis-link: Down
to
Change-Id: I10a77315d537681985f8390b838a4cabfb7d27f3
PHASE: 2 Load MBCCU MBCCU0: Load BTSDRX MBCCU1: Not equipped Abis-link: Down
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Change-Id: I8d807ffc4571f2954e3d1083da673dc1235e7687
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If, as before this patch we call initCDKScreen() before
attempting to bind the socket, then the socket bind fails,
we exit and the terminal needs a reset.
Attempt to open the socket before initCDKScreen()
so we don't end up with a messed up terminal if the socket
call fails.
Change-Id: Ia5148d9ef386df314bc2837b3cb672150250bd2a
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The measurement tools use libosmocore socket functions that will
use logging if the socket cannot be opened, but the tools did
not initialise logging, resulting in
Assert failed osmo_log_info logging.c:235
backtrace() returned 9 addresses
[.....]
Initialise logging so that we get a nicer and more informative
message, such as:
unable to bind socket:(null):8888: Address already in use
no suitable addr found for: (null):8888
Change-Id: Ib3b3558723682defcee22e7ea2d8bf5c2cff1278
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Change-Id: I3b8781e220326387f1c437c39aff8661326f1e0a
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Lots of times, the MS power class is unknown until after the first
channel has been activated, at which point the MS power class is
received in messages such as LU update or CM Service Requet.
Since the MS Power level is sent upon CHAN ACT, the only way to
communicate the change of maximum MS Power (based on MS power class)
after CHAN ACT is to send a MS Power Control msg. Let's do that.
Related: OS#4244
Change-Id: I3d6b75578e5cb9b2ad474a0ad01362d846ebe135
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Change-Id: I55f478c753c38baa576abc6ba53c4f6c9cbe61c0
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Move the T_defs API to libosmocore as osmo_tdefs: remove the local T_defs API
and use libosmocore's osmo_tdef* API instead.
The root reason is moving the mgw_endpoint_fsm to libosmo-mgcp-client to be
able to use it in osmo-msc for inter-MSC handover.
When adding osmo_tdef, the new concept of timer groups was added to the API. It
would make sense to apply group names here as well, but do not modify the VTY
configuration for timers. The future might bring separate groups (or not).
Depends: Ibd6b1ed7f1bd6e1f2e0fde53352055a4468f23e5 (libosmocore)
Change-Id: I66674a5d8403d820038762888c846bae10ceac58
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Change-Id: I785278df411b13a701c8441fde798d4bfe79ffd1
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Change-Id: I1a91d673e08c161dd6110bd16e8f52cb17be398c
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Add FSMs:
- timeslot_fsm: handle dynamic timeslots and OML+RSL availability.
- lchan_fsm: handle an individual lchan activation, RTP stream and release,
signal the appropriate calling FSMs on success, failure, release.
- mgw_endpoint_fsm: handle one entire endpoint with several CI.
- assignment_fsm: BSSMAP Assignment Request.
- handover_fsm: all of intra, inter-MO and inter-MT handover.
Above FSMs absorb large parts of the gscon FSM. The gscon FSM was surpassing
the maximum amount events (32), and it is more logical to treat assignment,
handover and MGW procedures in separate FSMs.
- Add logging macros for each FSM type:
- LOG_TS()
- LOG_LCHAN()
- LOG_MGWEP(), LOG_CI()
- LOG_ASSIGNMENT()
- LOG_HO()
These log with the osmo_fsm_inst where present.
New style decision: logging without a final newline char is awkward,
especially for gsmtap logging and when other logs interleave LOGPC() calls;
we have various cases where the final \n goes missing, and also this invokes
the log category checking N times instead of once.
So I decided to make these macros *always* append a newline, but only if
there is no final newline yet. I hope that the compiler optimizes the
strlen() of the constant format strings away. Thus I can log with or without
typing "\n" and always get an \n termination anyway.
General:
- replace osmo_timers, state enums and program-wide osmo_signal_dispatch()
with dedicated FSM timeouts, states and events.
- introduce a common way to handle Tnnn timers: gsm_timers.h/.c: struct T_def.
These can be used (with some macro magic) to define a state's timeout once,
and not make mistakes for each osmo_fsm_inst_state_chg().
Details:
bsc_subscr_conn_fsm.c:
- move most states of this FSM to lchan_fsm, assignment_fsm, handover_fsm and
mgw_endpoint_fsm.
- There is exactly one state for an ongoing Assignment, with all details
handled in conn->assignment.fi. The state relies on the assignment_fsm's
timeout.
- There is one state for an ongoing Handover; except for an incoming Handover
from a remote BSS, the gscon remains in ST_INIT until the new lchan and conn
are both established.
- move bssmap_add_lcls_status() to osmo_bsc_lcls.c
abis_rsl.c:
- move all dynamic timeslot logic away into timeslot_fsm. Only keep plain send/receive functions in
abis_rsl.c
- reduce some rsl functions to merely send a message, rename to "_tx_".
- rsl_ipacc_mdcx(): add '_tx_' in the name; move parts that change the lchan state out into the
lchan_fsm, the lchan->abis_ip.* are now set there prior to invoking this function.
- move all timers and error/release handling away into various FSMs.
- tweak ipa_smod_s_for_lchan() and ipa_rtp_pt_for_lchan() to not require an
lchan passed, but just mode,type that they require. Rename to
ipacc_speech_mode*() and ipacc_payload_type().
- add rsl_forward_layer3_info, used for inter-BSC HO MO, to just send the RR
message received during BSSMAP Handover Command.
- move various logging to LOG_LCHAN() in order to log with the lchan FSM instance.
One drawback is that the lchan FSM is limited to one logging category, i.e. this moves some logging
from DRR to DRSL. It might actually make sense to combine those categories.
- lose LOGP...LOGPC logging cascades: they are bad for gsmtap logging and for performance.
- handle_classmark_chg(): change logging, move cm2 len check out of the cm3 condition (I hope that's
correct).
- gsm48_send_ho_cmd(): split off gsm48_make_ho_cmd() which doesn't send right away, so that during
inter-bsc HO we can make an RR Handover Command to send via the MSC to the remote BSS.
assignment_fsm.c:
- the Chan Mode Modify in case of re-using the same lchan is not implemented
yet, because this was also missing in the previous implementation (OS#3357).
osmo_bsc_api.c:
- simplify bsc_mr_config() and move to lchan_fsm.c, the only caller; rename to
lchan_mr_config(). (bsc_mr_config() used to copy the values to mr_bts_lv
twice, once by member assignment and then again with a memcpy.)
- During handover, we used to copy the MR config from the old lchan. Since we
may handover between FR and HR, rather set the MR Config anew every time, so
that FR rates are always available on FR lchans, and never on HR lchans.
Depends: I03ee7ce840ecfa0b6a33358e7385528aabd4873f (libosmocore),
I1f2918418c38918c5ac70acaa51a47adfca12b5e (libosmocore)
Change-Id: I82e3f918295daa83274a4cf803f046979f284366
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Change-Id: If212fcd042051b6fa53484254223614c5b93a9c6
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Move all of libbsc/ into osmo-bsc/, and separate/move some implementations to
allow linking from utils/* and ipaccess/* without pulling in unccessary
dependencies.
Some utilities use gsm_network and gsm_bts structs, which already include data
structures for fairly advanced uses. Move initialization that only osmo-bsc
needs into new bsc_network_init() and bsc_bts_alloc_register() functions, so
that the leaner tools can use the old gsm_* versions without the need to link
everything (e.g. handover and lchan alloc code).
In some instances, there need to be stubs if to cut off linking "just before
the RSL level" and prevent dependencies from creeping in.
- abis_rsl_rcvmsg(): the only program currently interpreting RSL messages is
osmo-bsc, the utils are merely concerned with OML, if at all.
- paging_flush_bts(): ip.access nanobts models call this when the RSL link is
dropped. Only osmo-bsc actually needs to do anything there.
- on_gsm_ts_init(): the mechanism to trigger timeslot initialization is related
to OML, while this action to take on init would pull in RSL dependencies.
utils/ and ipaccess/ each have a stubs.c file to implement these stubs. Tests
implement stubs inline where required.
From src/utils/, src/ipaccess/ and tests/*/, link in .o files from osmo-bsc/.
In order for this to work, the osmo-bsc subdir must be built before the other
source trees. (An alternative would be to include the .c files as sources, but
that would re-compile them in every source tree. Not a large burden really, but
unless linking .o files gives problems, let's have the quicker build.)
Minor obvious cleanups creep in with this patch, I will not bother to name them
individually now unless code review asks me to.
Rationale:
1) libbsc has been separate to use it for osmo-nitb and osmo-bsc in the old
openbsc.git. This is no longer required, and spreading over libbsc and osmo-bsc
is distracting.
2) Recently, ridiculous linking requirements have made adding new functions
cumbersome, because libbsc has started depending on osmo-bsc/*.c
implementations: on gscon FSM and bssap functions. For example, neither
bs11_config nor ipaccess-config nor bts_test need handover_cfg or BSSMAP
message composition. It makes no sense to link the entire osmo-bsc to it, nor
do we want to keep adding stubs to each linking realm.
Change-Id: I36a586726f5818121abe54d25654819fc451d3bf
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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
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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
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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
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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
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Change-Id: I07d4a48af3154ee4d904686f230a51b8b8a94ff9
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Move gsm_data.c and handover_cfg.c to libbsc, where they belong.
This leaves libcommon utterly empty, drop it.
Change-Id: I6178061fa30c7e1a4c22c29d3c8f508b1033569f
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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
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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
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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
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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
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Change-Id: I39e7b882caa98334636d19ccd104fd83d07d5055
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smpp_mirror is maintained in osmo-msc.git, so let's remove it
(and the associated libsmpp34 build requirement).
Change-Id: Ia7b242cc52cf261b1a5dd3c287da2868e1a2b9a8
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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
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Useful to test the delivery receipt support. This TLV contains the
GSM03.40 message reference.
Change-Id: I1b0abaa7e06ffe1bd2242c70813d8b70e9fa954f
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