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Completely describe the 'rf_states' string elements (in one place), and
fix the missing <rsl_status> item in bsc_ctrl_commands.c comments.
Related: SYS#5542
Change-Id: Ifc3610c344b3e270111e2f6c5155a6fb90d8f2ac
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These commands return a listing of OML state, RF policy as well as RSL
connection status for each TRX in the form:
<bts_nr>,<trx_nr>,<opstate>,<adminstate>,<rf_policy>,<rsl_status>;<bts_nr>,<trx_nr>,...
For example, the root node 'rf_states' may return:
0,0,operational,unlocked,on,rsl-up;1,0,operational,unlocked,on,rsl-down;2,0,inoperational,locked,on,rsl-down;
A 'bts.N.rf_states' returns the same form of string, but lists only the
TRX for the given BTS nr.
Note, there is already a CTRL command 'bts.N.rf_state' (singular
'rf_state', not plural 'rf_states'), which only reflects the overall
status of all TRX combined. This new command has per-TRX resolution.
The rf-policy is so far always looked up in the global gsm_network flag,
as does the old 'rf_state' command; see osmo_bsc_rf_get_policy_by_bts()
which does not depend on the specific BTS at all. This may be worth
revisiting in the future, so I am already including the rf-policy in the
rf_state string for each TRX, even though it is globally identical.
Related: SYS#5542
Related: I01e6f391a5e71b0606c42be9b57f8a1687d59bcb (osmo-ttcn3-hacks)
Change-Id: I14fa2678fc8f2c11a879c5e9615ac552782c5b7e
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Change-Id: Iee26d14e997cc77c49b8fc1a9f388e4e2f783105
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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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The separate struct osmo_bsc_data is like another separate struct gsm_network
for no reason. It is labeled "per-BSC data". These days, all of this is a
single BSC and there will not be different sets of osmo_bsc_data.
Drop struct osmo_bsc_data, move its members directly into gsm_network.
Some places tested 'if (net->bsc_data)', which is always true. Modify those
cases to rather do checks like 'if (net->rf_ctrl)', which are also always true
AFAICT, to keep as much unmodified logic as possible in this patch.
Change-Id: Ic7ae65e3b36e6e4b279eb01ad594f1226b5929e0
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Another legacy feature. All that this setting effectively does is prevent MSCs
from being contacted for non-emergency calls. To select which MSCs shall handle
emergency calls, there is the allow_emerg flag.
Change-Id: I7fc630d9c35be9a69a0d378d3de2b2312c69690d
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There could multiple reason for OML or RSL link towards BTS to be
dropped: ctrl command, vty, new link etc. Introduce "reason" parameter
to corresponding functions and log it on link drop to simplify
troubleshooting issues with more complex setups.
Change-Id: I8c8d8132ba67c31e40dbecdfe2e09be08c744899
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In commit 65c62e50335b500ac9e4658530ca5a1b4f5328d8 a call
to unlink() was erroneously moved up. Since then unlink()
has been called with an uninitialized path variable. The
problem went unnoticed because the return value of unlink()
was never checked.
Ensure that unlink() is called with an initialized argument and
verify success of the unlink() operation if the socket exists.
Related: CID#188836
Change-Id: Ia0c873da305cbb47aef0562f61ec21057363f294
Fixes: 65c62e50335b500ac9e4658530ca5a1b4f5328d8
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In rf_create_socket(), check the result of osmo_strlcpy().
This catches overlong and non-NUL-terminated socket paths.
Change-Id: I4b9ff9146068bf7f53d67c577454f32c02361b86
Related: OS#2673
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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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