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Reliable monitoring requires regular flush of all stat values, even
if they have not changed. Otherwise (1) the monitoring app has to
maintain state and (2) can go out of sync if it's restarted while
the app is still running.
Change-Id: I04f1e7bdf0d6f20e4f15571e94191de61c47ddad
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So far we only looked at SW definitions of the card profile. However,
if we have a currently selected application, we also must check
that application for SW definitions.
This breaks ABI and API all over the place, but as there are no
known users beyond osmo-sim-test, this is acceptable.
Change-Id: I3a1d60898529c173f73587e34c155660ba5f5fb1
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this causes problems when compiling user applications
/usr/bin/ld: ../../src/libvlr/libvlr.a(vlr_lu_fsm.o):/usr/local/include/osmocom/gsm/protocol/gsm_29_118.h:184: multiple definition of `sgsap_ie_tlvdef'; msc_main.o:/usr/local/include/osmocom/gsm/protocol/gsm_29_118.h:184: first defined here
Change-Id: Iaa1d36c7a9bb64aa84ee85fa3e40f6b3560fe693
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Each struct already contains different definition based on endianess, so
there's no reason to re-define all of them again based on endianess.
Probably at some point somebody run the script
./contrib/struct_endianess.py on those structures but forgot to remove
the old way of supporting differnet endianess.
Change-Id: Ibd002e52979950e09013767fa643b2a3c52dfea9
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/usr/bin/ld: .libs/gsm0503_coding.o:/home/laforge/projects/git/libosmocore/src/coding/../../include/osmocom/coding/gsm0503_parity.h:16: multiple definition of `gsm0503_mcs_crc12'; .libs/gsm0503_parity.o:/home/laforge/projects/git/libosmocore/src/coding/../../include/osmocom/coding/gsm0503_parity.h:16: first defined here
Change-Id: I15945bbf59c873e50154c40fed0ba3d6b4d7c399
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The signalfd(2) mechanism of Linux allows signals to be delivered
and processed via normal file descriptor I/O. This avoids any of the
usual problems about re-entrancy of signal processing, as signals can
be processed from the osmocom select() loop abstraction just like any
other event.
Change-Id: If8d89dd1f6989e1cd9b9367fad954d65f91ada30
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For a process running as root, it may be desirable to drop privileges
down to a normal user before executing an external command. Let's
add a new API function for that.
Change-Id: If1431f930f72a8d6c1d102426874a11b7a2debd9
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Change-Id: I6c53654f06fac6b6b196be88178a918d38e91e46
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gsm0503_coding contains AMR decoder functions for HR and FR. Those can
only decode AMR payload frames but not amr DTX frames. Lets add
functionality to detect DTX frames. Also lets add decoding for SID_UPDATE
frames as well as error checking for the SID frame recognition patterns.
Related: OS#2978
Change-Id: I2bbdb39ea20461ca08b2e6f1a33532cb55cd5195
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Before this change, a card application (USIM, ISIM, ...) didn't
exist as a separate concept from a card profile. This meant,
we had a manual combination of UICC card profile with USIM application,
and another one of UICC card profile and ISIM application. But what
if there's a combined USIM+ISIM?
In reality, applications exist as separate objects, on top of an
ETSI UICC. Lets therefore register all known applications to the
osim library core, and add code to osmo-sim-test which dynamically
detects all applications present on a given card (by reading EF.DIR).
Change-Id: Ic4b4ac433a9976842b30a017fb0fc347d87201cd
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Change-Id: I80468c8c4f4590c262019f42285e8d8fd3444f7f
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Change-Id: Ib52d22710020b56965aefcef09bde8247ace4a9c
Related: OS#2966
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AMR not only specifies a 6 bit CRC for regular voice information. It also
specifies a 14 bit CRC to protect the comfort noise updates contained in
the SID_UPDATE frames.
Change-Id: I5cfd8ca806aba8d42cb9787f69605cea7de6e900
Related: OS#2978
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Change-Id: Id2d016939c3a6185cc3cfa8631da0c8d187a8c5a
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* What we used to call TCH/F and TCH/H in gsmtap are actually only
FACCH/F and FACCH/H, i.e. the signaling part of Bm/Lm channels
* Give them proper names with backwards compatibility #define
* Split VOICE into VOICE_F and VOICE_H. If we don't differentiate this,
a receiver is not able to determine the RSL channel ID of a frame
without looking at external state/context. That in turn has been a
design feature of GSMTAP Um format so far, and programs like
osmo-bts-virtual rely on it.
Change-Id: I952044a17334f35712e087dc41781805000aebc1
Related: OS#2557
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Related: OS#4441
Change-Id: I70ae237ea27972f6819fd217c3d5059dda009486
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We so far are only able to transmit signalling data inside GSMTAP,
but not actual voice / user plane payload data.
we cannot use the existing TCHF/TCHH sub-types, as those are already
used [without further discrimination] for FACCH + SACCH Data on those
channels.
Instead, we will introduce a new GSMTAP_CHANNEL_VOICE sub-type, which
then will have the first byte for a sub-sub-type specifying the payload
format in detail.
Change-Id: If223020933b083fe359a2e8ff5fab1ce64a363d8
Related: OS#2557
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If selection of ADF_USIM fails, let's fall-back to reading/dumping
a classic TS 11.11 (51.011) SIM card.
Change-Id: I5a986fc65de76c24c5af52ce7e8c699cf302fda9
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Some osmo-* applications may need to use their own VTY node as a
parent for the timer configuration commands. Therefore it makes
more sense to use 'unsigned int' instead of 'enum node_type'.
Let's also clarify that osmo_tdef_vty_groups_init() accepts parent
node for configuration commands only: 'parent_node' -> 'parent_cfg_node'.
Change-Id: Ifb4c406c85d76a25fc53fc235484599aa87dc77c
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There's nothing really preventing a user from user negative values.
Otherwise if we keep it like this then g++ is not happy when passing eg.
{ -2, "foobar" } when initializing a value_string array.
Change-Id: I754fa7e054cb89801ef82edc82199dcfbe59c6ab
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Thise two helper functions allow the user application to find
a unique match among the existing USB devices, using either a user-
provided iSerial string, or a user-provided physical USB path.
Change-Id: I8ff3fb3e1a77e10cb313473480ce5e7673749a93
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In order to dissolve info_meas_ind_param in ph_data_param and
ph_tch_param we need to add the measurement related struct members to
ph_data_param and ph_tch_param as well so that those indications can
also carry measurement data.
Change-Id: I2c34b02d329f9df190c5035c396403ca0a4f9c42
Related: OS#2977
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In some situations, we want to execute an external shell command
in a non-blocking way. Similar to 'system', but without waiting for
the child to complete. We also want to close all file descriptors
ahead of the exec() and filter + modify the environment.
Change-Id: Ib24ac8a083db32e55402ce496a5eabd8749cc888
Related: OS#4332
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Those functions were originally developed as part of simtrace; let's
import them to libosmousb as they are truly generic.
Change-Id: I2c18b938e4e1ea5b8a521a386f00db3a7389e47a
Related: OS#4299
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Osmocom applications typically use libosmocore select.[ch] event loop
code as their main event dispatch mechanism. When they want to deal
with libusb in a non-blocking/asynchronous way, they need to integrate
libusb into that select().
The new libosmousb is doing exactly that: Providing a shared utility
library for Osmocom programs that wish to use libusb. This is useful
for example in simtrace2 host utilitie as well as osmo-e1d.
Change-Id: I656a1a38cbb5b1f3a9145d2869d3b4d0adefcae3
Closes: OS#4299
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Make build and external tests work with python3, so we can drop
the python2 dependency.
This should be merged shortly after osmo-python-tests was migrated to
python3, and the jenkins build slaves were (automatically) updated to
have the new osmo-python-tests installed.
Related: OS#2819
Depends: osmo-python-tests I3ffc3519bf6c22536a49dad7a966188ddad351a7
Change-Id: I84ef43f700e125c7a65f92347f12844e07e65655
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The new OSMO_DEPRECATED_OUTSIDE macro is similar to the existing
OSMO_DEPRECATED_OUTSIDE_LIBOSMOCORE, but allows to override the
deprecation message.
Let's use it to suspend deprecation warnings related to:
- gsm48_decode_bcd_number(),
- osmo_ecu_fr_conceal(),
- osmo_ecu_fr_reset(),
as they're intentionally used in scope of the library.
Change-Id: I1b0eff1396776900c1286e41da3aee3ff78b326e
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This is a bit of a hack, as we want to maintain binary compatibility
without breaking existing users of libosmocore. To do so, we use the
'num_auth_vectors' field in two ways now:
* In the existing use case as part of SEND_AUTH_INFO_RESPONSE, it
indicates the number of vectors stored in the 'auth_vectors' field
* In the new use case as part of SEND_AUTH_INFO_REQUEST, it indicates
the number of vectors actually requested by the MSC/SGSN/MME.
Change-Id: Iaecc47280f8ce54f3e3a888c1cfc160735483d0f
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OSMO_GSUP_TO_MSGT_RESULT() is needed by osmo-hlr for osmo_gsup_req.
The others are added for completeness' sake.
Related: I3a8dff3d4a1cbe10d6ab08257a0138d6b2a082d9
Change-Id: I6e38a3bb8447f8f212f8d6f5b10a5d0df59323d7
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Change-Id: Iec448af02d28e6c5c573e68a0b4a86067ec7e561
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Provide string escaping that
- returns the required buffer size, so it can be used with OSMO_STRBUF_APPEND().
- uses C compatible string constant escaping sequences.
This is intended as a replacement for all previous osmo_escape_str* and
osmo_quote_str* API. It pains me that I didn't get them right the first nor the
second time:
- The buffer functions do not return the chars needed, which is required for
allocating sufficient memory in the *_c versions of the functions.
- Because of that, these functions are accurately usable for
OSMO_STRBUF_APPEND(), producing truncated strings, for example when dumping a
GSUP message.
- They do not use the C equivalent string constant escaping: for some reason I
thought "\15" would be valid, but it should be "\x0f".
If I could, I would completely drop those mislead implementations ... but
backwards compat prohibits that.
A previous patch already provided internal static functions that accurately
return the required buffer size. Enhance these to also support C compatible
string escaping, and use them as implementation of the new functions:
osmo_escape_cstr_buf()
osmo_escape_cstr_c()
osmo_quote_cstr_buf()
osmo_quote_cstr_c()
In the tests for these, also test C string equivalence.
Naming: from API versions, it would be kind of logical to call them
osmo_escape_str_buf3() and osmo_escape_str_c2(). Since these anyway return a
different escaping, it makes sense to me to have distinct names instead.
Quasi missing are variants of the non-C-compatible weird legacy escaping that
return the required buffer size, but I refrain from adding those, because we
have enough API cruft as it is. Just always use these new cstr variants.
Change-Id: I3dfb892036e01000033dd8e7e4a6a0c32a3caa9b
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Although this OSMO_DEPRECATED doesn't seem to generate a warning when compiling
code that sets .is_config_node = foo, it seems a good idea to add the
deprecation tag.
It is deprecated since commit "vty: track parent nodes also for telnet sessions"
I2b32b4fe20732728db6e9cdac7e484d96ab86dc5
Change-Id: I800507b27cb0d536c1a4c203d7f7b90eec05a69c
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Keep track of parent nodes and go back hierarchically, not only for .cfg file
reading, but also for telnet VTY sessions.
A long time ago cfg file parsing was made strictly hierarchical: node exits go
back to parent nodes exactly as they were entered. However, live telnet VTY
sessions still lacked this and depended on the go_parent_cb().
From this commit on, implementing a go_parent_cb() is completely optional. The
go_parent_cb() no longer has the task to determine the correct parent node,
neither for cfg files (as already the case before this patch) nor for telnet
VTY sessions (added by this patch). Instead, a go_parent_cb() implementation
can merely take actions it requires on node exits, for example applying some
config when leaving a specific node.
The node value that is returned by the go_parent_cb() and the vty->node and
vty->index values that might be set are completely ignored; instead the
implicit parent node tracking determines the parent and node object.
As a side effect, the is_config_node() callback is no longer needed, since the
VTY now always implicitly knows when to exit back to the CONFIG_NODE.
For example, osmo_ss7_is_config_node() could now be dropped, and the
osmo_ss7_vty_go_parent() could be shortened by five switch cases, does no
longer need to set vty->node nor vty->index and could thus be shortened to:
int osmo_ss7_vty_go_parent(struct vty *vty)
{
struct osmo_ss7_asp *asp;
struct osmo_xua_server *oxs;
switch (vty->node) {
case L_CS7_ASP_NODE:
asp = vty->index;
/* If no local addr was set */
if (!asp->cfg.local.host_cnt) {
asp->cfg.local.host[0] = NULL;
asp->cfg.local.host_cnt = 1;
}
osmo_ss7_asp_restart(asp);
break;
case L_CS7_XUA_NODE:
oxs = vty->index;
/* If no local addr was set, or erased after _create(): */
if (!oxs->cfg.local.host_cnt)
osmo_ss7_xua_server_set_local_host(oxs, NULL);
if (osmo_ss7_xua_server_bind(oxs) < 0)
vty_out(vty, "%% Unable to bind xUA server to IP(s)%s", VTY_NEWLINE);
break;
}
return 0;
}
Before parent tracking, every program was required to write a go_parent_cb()
which has to return every node's parent node, basically a switch() statement
that manually traces the way back out of child nodes. If the go_parent_cb() has
errors, we may wildly jump around the node tree: a common error is to jump
right out to the top config node with one exit, even though we were N levels
deep. This kind of error has been eliminated for cfg files long ago, but still
exists for telnet VTY sessions, which this patch fixes.
This came up when I was adding multi-level config nodes to osmo-hlr to support
Distributed GSM / remote MS lookup: the config file worked fine, while vty node
tests failed to exit to the correct nodes.
Change-Id: I2b32b4fe20732728db6e9cdac7e484d96ab86dc5
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Follow up for patch I3cf150cc0cc06dd36039fbde091bc71b01697322
osmo_sockaddr_str_{from,to}_32n actually use host byte order. Deprecate these
and introduce a more accurately named version ending in h.
Change-Id: Ic7fc279bf3c741811cfc002538e28e8f8560e338
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When finding a char in a string, I want to be able to limit the search area by
size, not only by nul terminator.
Change-Id: I48f8ace9f51f8a06796648883afcabe3b4e8b537
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Change-Id: I55b68098e1037c74ebe5faa86e34bd4494f5b726
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Change-Id: I783bf0eb40b674fb6a77f7673563fdf156975f5a
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GSUP routing was introduced when adding the E interface. Hence that was the
first realm where routing errors could occur. I did notice back then that this
message type was special: it does not convey a response to a particular message
kind -- it does not make sense, for example, to return an Updating Location
Error cause, and do that for all conceivable message types. Instead, this tells
the sender that a deeper error exists, i.e. that the desired peer is completely
gone and unreachable.
I did not foresee though that for D-GSM, there would also be arbitrary GSUP
proxy routing, and that this error is not limited to E interface semantics.
From today's point of view, adding the "_E_" in the name was a mistake.
Remove that "_E_" to yield OSMO_GSUP_MSGT_ROUTING_ERROR (with unchanged message
type discriminator), but provide a #define linking the old name
OSMO_GSUP_MSGT_E_ROUTING_ERROR to the new one.
The only visible change should be that osmo_gsup_message_type_names[] now
returns the new name without "_E_". I am not aware of any regression test
fallout from that.
Change-Id: Ic8e8bd11522d6c51ac7aaf946516cbce26bc6e1e
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Provide a common implementation for foo_name_c() functions that base on
foo_name_buf() functions.
char *foo_name_c(void *ctx, example_t arg)
{
OSMO_NAME_C_IMPL(ctx, 64, "ERROR", foo_name_buf, arg)
}
Rationale: the most efficient way of composing strings that have optional parts
or require loops for composition is by writing to a ready char[], and this in
turn is easiest done by using OSMO_STRBUF_* API. Using such a basic name string
implementation which typically returns a length, I often want a more convenient
version that returns a char*, which can just be inlined in a "%s" string format
-- crucially: skipping string composition when inlined in a LOGP(). This common
implementation allows saving code dup, only the function signature is needed.
Why not include the function signature in the macro? The two sets of varargs
(1: signature args, 2: function call args) are hard to do. Also, having an
explicit signature is good for readability and code grepping / ctags.
Upcoming uses: in libosmocore in the mslookup (D-GSM) implementation
(osmo_mslookup_result_name_c()), and in osmo_msc's codec negotiation
implementation (sdp_audio_codecs_name_c(), sdp_msg_name_c(), ...).
I54b6c0810f181259da307078977d9ef3d90458c9 (libosmocore)
If3ce23cd5bab15e2ab4c52ef3e4c75979dffe931 (osmo-msc)
Change-Id: Ida5ba8d9640ea641aafef0236800f6d489d3d322
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Change-Id: I242a4a44649bc4dac055985ba8fd63b2f784ee6d
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It's hard to figure out what color logging categories have with those ANSI
color code strings. Instead, define these OSMO_LOGCOLOR_* constants.
Naming: commonly, the logging.h header has the "LOG" prefix in the name, but it
seems saner to include the OSMO_ prefix: it seems too likely that some
libosmocore user somewhere already has defined "LOGCOLOR_RED" somewhere.
Change-Id: I03b6b1f73ae7ee61d37ff921e071a3d0881d3e9a
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Currently planned user: for Distributed GSM in osmo-hlr: setting per-MSC
service addresses in VTY: replace/remove existing entries.
osmo_sockaddr_str_cmp() is useful to catch identical resulting IP addresses,
regardless of differing strings (e.g. '0::' and '::' are equal but differ in
strings).
Change-Id: I0dbc1cf707098dcda75f8e07c1b936951f9f9501
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The format prints IP:port separated by a colon, which of course is confusing
when the IPv6 address itself contains mostly colons. The new format adds square
braces.
cafe:face::1:42 -> [cafe:face::1]:42
The IPv4 format remains unchanged:
1.2.3.4:42
Change-Id: I161f8427729ae31be0eac719b7a4a9290715e37f
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So far we had a function to allocate a new bssgp_bvc_ctx, but not
the opposite one. Let's finally introduce it, so it will be used
at least in OsmoPCU.
Please note that the new symbol has 'bssgp_' prefix, not 'btsctx_'.
Change-Id: Ia78979379dbdccd6e4628c16f00d0c06d9212172
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In a multi-threaded environemnt, it's likely that each thread will have
its own, distinct set of file descriptors that it wants to watch.
Hence, let's make the osmo_fd_* functions configure not one global
list of file descriptors, but a thread-local list of file descriptors.
Change-Id: I5082ed3e500ad1a7516e1785bc57e008da2fac9a
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New fields are put inside a union to keep backward compatibility with
potential older users of the struct.
Change-Id: I235635800c0de47b1e2b9ec9c7191418f6003554
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Only known user of API is in osmocom-bb and it compiles fine after the
change.
Related: OS#4244
Change-Id: Ia10345008b3aca50b30482ef3b852b03eca71995
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Some compilers don't like declaration of enums in header files like we
do sometimes for structs:
enum gsm_band;
void foobar(enum gsm_band band);
triggers:
error: use of enum 'gsm_band' without previous declaration
Fixes: b99f4ca2d8517d99cdf8aa183dbfda7b233bb781
Related: OS#4244
Change-Id: I6c2102c763f565bbe3c8dd7e5b4e04c4a45fff67
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Related: OS#4244
Change-Id: I32e9cc1c2397b44f0d48db2acdf782a821365b63
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Often, an IP address of 0.0.0.0 is considered an unset value (for clients
requiring a server address; not for listening on "any").
osmo_sockaddr_str_is_set() does return false when the port is 0, but there is
no simple way to tell whether the IP address is actually set to a server
address.
Add osmo_sockaddr_str_is_nonzero() to return false if:
- the port is zero, or
- the IP address is zero (0.0.0.0 or ::0), or
- the IP address cannot be parsed.
A practical use example: osmo-msc so far accepts an RTP IP address of 0.0.0.0
as valid. I noticed when trying to trigger error handling from a ttcn3 test.
osmo-msc can use this function to reject invalid addresses from MGCP messages.
Related: I53ddb19a70fda3deb906464e1b89c12d9b4c7cbd (osmo-msc)
Change-Id: I73cbcab90cffcdc9a5f8d5281c57c1f87b2c3550
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