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* usb: Import a variety of libusb utility functions from simtraceHarald Welte2019-12-162-1/+452
| | | | | | | | 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
* libosmocore libusb integrationHarald Welte2019-12-1610-2/+218
| | | | | | | | | | | | | | 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
* gprs_bssgp: Work around gcc-9 claiming "error=stringop-overflow"Harald Welte2019-12-152-0/+3
| | | | | | | | | | | | | | | | | | gcc-9.2.1 issues the following errror when compiling with -Werror: In function ‘tl16v_put’, inlined from ‘tvlv_put’ at ../../include/osmocom/gsm/tlv.h:156:9, inlined from ‘tvlv_put’ at ../../include/osmocom/gsm/tlv.h:147:24, inlined from ‘msgb_tvlv_put’ at ../../include/osmocom/gsm/tlv.h:223:9, inlined from ‘bssgp_tx_paging’ at gprs_bssgp.c:1250:2: ../../include/osmocom/gsm/tlv.h:131:2: error: ‘memcpy’ reading between 128 and 65535 bytes from a region of size 9 [-Werror=stringop-overflow=] 131 | memcpy(buf, val, len); | ^~~~~~~~~~~~~~~~~~~~~ Unfortunately I've not been able to work around it with some nice GCC #pragma GCC diagnostic ignored "-Wstringop-overflow" Change-Id: I22a0c399c6c00eaf87277002096a82844c9e198e
* debian, utils: switch to python 3Oliver Smith2019-12-126-6/+6
| | | | | | | | | | | | | 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
* core/defs.h: introduce and use OSMO_DEPRECATED_OUTSIDEVadim Yanitskiy2019-12-113-3/+7
| | | | | | | | | | | | | | | | 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
* sim: allow opening reader# > 0Eric Wild2019-12-092-4/+53
| | | | Change-Id: I4b1abc8d8aae4bd9a32f927269d7ebfef902d7c5
* gsup: Introduce OSMO_GSUP_NUM_VECTORS_REQ_IEHarald Welte2019-12-095-4/+33
| | | | | | | | | | | | | | 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
* utils: exit(2) on unsupported positional arguments on command lineHarald Welte2019-12-032-0/+10
| | | | Change-Id: Icc76cae2225ec4e664b950176dd861fa15712f59
* osmo-arfcn: Fix '-h' optionHarald Welte2019-12-031-1/+1
| | | | Change-Id: I13decca25dcdb75191c1e78058704ae8efa69b33
* osmo-release.sh: Use set -e before applying changes to prepare releasePau Espin Pedrol2019-12-031-0/+1
| | | | Change-Id: I783c3645537258a75ae6f5a684489d629b852188
* gprs_ns_instantiate(): propagate errors from gprs_sns_init() to callerHarald Welte2019-12-011-2/+7
| | | | Change-Id: I71f347a2f0376716e5f83d33a7931eb8a99aad77
* Check for osmo_fsm_register() error return valueHarald Welte2019-12-014-4/+4
| | | | Change-Id: Idbc1557739b2a253b73914e6f1f18a6d169d882e
* libosmovty: simplify condition checking vty->fd in vty_close()Vadim Yanitskiy2019-11-301-2/+2
| | | | | | | On POSIX systems, standard I/O streams - stdin, stdout, and stderr, always have default file descriptors 0, 1, and 2 respectively. Change-Id: Ied35d142af0ba0f5ad78975b8f22c35b32d6ff71
* libosmovty: properly initialize vty->fd in vty_new()Vadim Yanitskiy2019-11-301-0/+1
| | | | | | | | | | Since we're using talloc_zero(), vty->fd is initialized with 0, which corresponds to stdin. Let's set an invalid value to prevent potential bugs like the one fixed by the recent change [1]. [1] Icdeaea67a06da3a2f07b252e455629559ecc1829 Change-Id: Iec15649781317a23e13d2c2840a8f672050f76c1
* 04.80: Deprecate gsm0480_create_ussd_resp()Harald Welte2019-11-301-0/+1
| | | | | | | | | In July 2018 in commit Ide240279240322f643e142229eb7829f538c6314 we introduced the successor gsm0480_gen_ussd_resp_7bit(), which is also what both libosmogsm-internal code as well as osmo-hlr have been ported to. For some reason it wasn't marked deprecated back then. Change-Id: Iff4c91b5b98a73d9a30aa42f6b2a1ebcc8a45343
* Add code coverage supportVasil Velichkov2019-11-306-0/+330
| | | | | | | | | | | | | | | | | | | | | The coverage report shows what code is covered by tests and what is not and the ratio could be tracked over time. These reports will allow us to identify code that is not being tested and improve the test suites. To enable the reports configure with --enable-code-coverage and execute "make check-code-coverage". The HTML report will be generated in a subdirectory with name libosmocore-$(PACKAGE_VERSION)-coverage/index.html The report is generated using gcov, lcov and lcov_cobertura tools and the OSMO_AC_CODE_COVERAGE macro. The osmo_ax_code_coverage.m4 is a copy of ax_code_coverage.m4 taken from autoconf-archive v2018.03.13. It was copied to avoid the additional external dependency and renamed to avoid overwriting it in case autoconf-archive is already installed as we are going to install it in $(datadir)/aclocal in order to be reused in other osmocom's projects. Closes: OS#1987 Change-Id: I6f4ffb91bd7f3dd070aa09dd16d5ad1faf130a4c
* add all missing OSMO_GSUP_TO_MSGT_*() macrosNeels Hofmeyr2019-11-281-0/+3
| | | | | | | | 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
* Introduce fields related to DTAP DLCIPau Espin Pedrol2019-11-273-1/+36
| | | | Change-Id: Iec448af02d28e6c5c573e68a0b4a86067ec7e561
* add osmo_escape_cstr and osmo_quote_cstrNeels Hofmeyr2019-11-244-21/+301
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* vty_app_info.is_config_node: add OSMO_DEPRECATEDNeels Hofmeyr2019-11-241-1/+4
| | | | | | | | | | | 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
* vty: track parent nodes also for telnet sessionsNeels Hofmeyr2019-11-243-48/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* osmo_sockaddr_str: deprecate osmo_sockaddr_str_*_32n()Neels Hofmeyr2019-11-245-36/+60
| | | | | | | | | 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
* utils: add osmo_strnchr()Neels Hofmeyr2019-11-244-0/+65
| | | | | | | 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
* utils_test: add osmo_print_n_test()Neels Hofmeyr2019-11-243-0/+82
| | | | | | | | | | | | A couple of times recently I've needed to copy out a substring to a buffer with limited size. Use of strncpy() or osmo_strlcpy() are nontrivial here. I wanted to have a dedicated function. After I wrote that function with a test, I noticed that I had already implemented the same thing a while ago, as osmo_print_n() :P So here is just the test. Change-Id: Ia716abdc1f58af6065b84f4f567388a32a7b39fc
* msgb_put: more elaborate logging of head/tailroom failureNeels Hofmeyr2019-11-241-3/+12
| | | | Change-Id: I55b68098e1037c74ebe5faa86e34bd4494f5b726
* fsm.h: add missing include of logging.hNeels Hofmeyr2019-11-241-0/+1
| | | | Change-Id: I783bf0eb40b674fb6a77f7673563fdf156975f5a
* GSUP: rename E_ROUTING_ERROR to ROUTING_ERRORNeels Hofmeyr2019-11-242-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | 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
* fix osmo_escape_str_c() and osmo_quote_str_c()Neels Hofmeyr2019-11-231-30/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | The osmo_escape_str_c() and osmo_quote_str_c() functions return truncated results when characters need escaping. For example: osmo_quote_str_c(NULL, "foo"); --> "foo" osmo_quote_str_c(NULL, "foo\n"); --> "foo\n osmo_quote_str_c(NULL, "foo\tbar\t\n"); --> "foo\tbar\t Implement these _c variants using OSMO_NAME_C_IMPL() to always allocate sufficient memory. However, current osmo_escape_str_buf2() and osmo_quote_str_buf2() fail to return the required buffer size (even though that information is readily avaiable), so these don't qualify for accurate use of OSMO_NAME_C_IMPL(). Hence, move the implementations of osmo_escape_str and osmo_quote_str to an internal static function that returns the characters needed, so that all dynamically allocating implementations can return un-truncated results. Of course, external callers would also benefit from escape/quote API that accurately returns the amount of characters needed, but I am not changing public API in this patch, on purpose, ... yet. Change-Id: I16c08eced41bf1b7acf6e95f658068ace99ca4c8
* utils.h: add OSMO_NAME_C_IMPL() macroNeels Hofmeyr2019-11-233-0/+154
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* osmo_sockaddr_str: API doc: fix 32bit addr mixup of host/network byte orderNeels Hofmeyr2019-11-233-54/+58
| | | | | | | | | | | | | | | | | | Of course both v4 and v6 addresses are kept in network byte order when represented in bytes, but when writing, I somehow must have assumed that inet_pton() returns host byte order. Fix that mixup in the API docs: osmo_sockaddr_str_from_32() and osmo_sockaddr_str_to_32() actually use network byte order. osmo_sockaddr_str_from_32n() and osmo_sockaddr_str_to_32n() actually use host byte order, though reflecting 'n' in their name. sockaddr_str_test: use hexdump instead of %x to show the osmo_sockaddr_str_to_32*() conversions so that the error becomes obvious. (Printing %x reverses the bytes again and made it look correct.) Change-Id: I3cf150cc0cc06dd36039fbde091bc71b01697322
* cosmetic: logging.h: fix comment s/levels/subsystemsNeels Hofmeyr2019-11-231-1/+1
| | | | Change-Id: I242a4a44649bc4dac055985ba8fd63b2f784ee6d
* fix DLSMS logging category color: '[1:38m' isn't actually definedNeels Hofmeyr2019-11-231-1/+1
| | | | | | | Instead it apparently renders as bright white, so just use that constant instead. Change-Id: Ic775b6e37ccf61dc71a540b41d6a16a8a9291dc2
* logging.h: define ansi color constantsNeels Hofmeyr2019-11-234-14/+33
| | | | | | | | | | | 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
* libosmogsm: add support for XOR authenticationDaniel Willmann2019-11-222-1/+188
| | | | | Change-Id: I1afaf0a9e2dce43aec87964bacefb21ed4d3d565 Related: OS#2475
* utils.c: fix various inaccurate API doc about return valuesNeels Hofmeyr2019-11-211-4/+3
| | | | Change-Id: I9ee6416decd23f8d5d634197620a63ae408cead3
* add osmo_sockaddr_str_cmp()Neels Hofmeyr2019-11-215-0/+678
| | | | | | | | | | | 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
* logging/vty: fix: do not close stderr in vty_close()Vadim Yanitskiy2019-11-211-1/+1
| | | | | | | | | Since Icdeaea67a06da3a2f07b252e455629559ecc1829, we use stderr for printing warnings while parsing the VTY configuration files. Make sure we do not close() stderr. Otherwise stderr logging gets broken. Change-Id: I6ecc85555d102f5911d50ed5ac54933c766fa84d Fixes: Icdeaea67a06da3a2f07b252e455629559ecc1829
* logging/vty: fix vty_read_file(): do not write warnings to stdinVadim Yanitskiy2019-11-212-5/+6
| | | | | | | | | Setting vty->fd to 0 is a bad idea, which may cause the process to write() warnings to its own _stdin_ (yes, it's possible). For example, when a configuration file contains deprecated logging commands. Let's use stderr by default. Change-Id: Icdeaea67a06da3a2f07b252e455629559ecc1829
* logging/vty: fix: actually ignore deprecated logging commandsVadim Yanitskiy2019-11-216-2/+15
| | | | | | | | | | | | | | | | | | | | | | | We shall not prevent programs from starting if their configuration files contain deprecated 'logging level ...' commands. Just print a warning and return CMD_SUCCESS instead of CMD_WARNING. While writing a unit test, another funny bug has been uncovered. Parsing of a deprecated command indeed triggers a deprecation warning, originated from libosmovty's log_deprecated_func(). This function simply calls vty_out(), but... Since the invocation of the vty_out() happens _before_ the VTY is initialized, the process is actually writing that warning to its own stdin! Most likely, because we use talloc_zero() to allocate a new instance of struct 'vty'. As a side effect, the evil warning magically appears in the output of 'make check', breaking the test statistics. Let's work around this bug for now by redirecting stdin to /dev/null. Change-Id: Ia934581410cd41594791d4e14ee74c16abe1009a Fixes: Ic9c1b566ec4a459f03e6319cf369691903cf9d00
* logging/vty: use LOG_LEVEL_ARGS in logging_vty_add_deprecated_subsys()Vadim Yanitskiy2019-11-211-2/+1
| | | | Change-Id: I862c3cce0147ee8cf4013501132584ea09c58b53
* logging/vty: do not print deprecated logging commands to stdoutVadim Yanitskiy2019-11-201-1/+0
| | | | | | | | Yes, we don't really need to poison stdout, as some osmo-* binaries (like osmo-gapk) may want to use it for non-logging purposes. This printf() call looks like a debugging leftover. Change-Id: Ida35865b1c0bb3d3567918f8e89c6551c6b34103
* fix OSMO_SOCKADDR_STR_FMT for IPv6Neels Hofmeyr2019-11-112-13/+17
| | | | | | | | | | | | | 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
* test: add OSMO_SOCKADDR_STR_FMT to sockaddr_str_test.cNeels Hofmeyr2019-11-112-0/+24
| | | | | | | This shows the weird format choice for showing IPv6 addresses' port, fixed in subsequent patch. Change-Id: I8e5ebfbbc3a2b88aed820e8f845d9f6ededb29de
* GPRS/BSSGP: introduce bssgp_bvc_ctx_free()Vadim Yanitskiy2019-11-094-0/+13
| | | | | | | | | | 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
* select: Make file descriptor lists per-threadHarald Welte2019-11-072-3/+18
| | | | | | | | | | 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
* gsm: gsm_04_08.h: Allow accessing classmark2 as struct instead of uint32_tPau Espin Pedrol2019-11-041-5/+28
| | | | | | | New fields are put inside a union to keep backward compatibility with potential older users of the struct. Change-Id: I235635800c0de47b1e2b9ec9c7191418f6003554
* gsm: gsm_utils: Fix return type of API ms_class_gmsk_dbm() and add unit testsPau Espin Pedrol2019-11-043-4/+23
| | | | | | | | Only known user of API is in osmocom-bb and it compiles fine after the change. Related: OS#4244 Change-Id: Ia10345008b3aca50b30482ef3b852b03eca71995
* gsm: Fix compilation error under some compilersPau Espin Pedrol2019-11-042-2/+2
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