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* Bump version: 1.0.1.143-cc72c → 1.1.0Pau Espin Pedrol2019-05-071-1/+1
| | | | Change-Id: I351411ca5913c8b40f23287ec7c9ebfe11bd2bb0
* add osmo_use_count APINeels Hofmeyr2019-04-081-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | Provide a common implementation of use counting that supports naming each user as well as counting more than just one use per user, depending on the rules the caller implies. In osmo-msc, we were originally using a simple int counter to see whether a connection is still in use or should be discarded. For clarity, we later added names to each user in the form of a bitmask of flags, to figure out exactly which users are still active: for logging and to debug double get / double put bugs. This however is still not adequate, since there may be more than one CM Service Request pending. Also, it is a specialized implementation that is not re-usable. With this generalized implementation, we can: - fix the problem of inadequate counting of multiple concurrent CM Service Requests (more than one use count per user category), - directly use arbitrary names for uses like __func__ or "foo" (no need to define enums and value_string[]s), - re-use the same code for e.g. vlr_subscr and get fairly detailed VLR susbscriber usage logging for free. Change-Id: Ife31e6798b4e728a23913179e346552a7dd338c0
* add osmo_sockaddr_str APINeels Hofmeyr2019-04-081-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | For handling RTP IP addresses and ports, osmo-mgw, osmo-bsc and osmo-msc so far have their own separate shims and code duplication around inet_ntoa(), htons(), sockaddr conversions etc. Unify and standardize with this common API. In the MGW endpoint FSM that was introduced in osmo-bsc and which I would like to re-use for osmo-msc (upcoming patch moving that to osmo-mgw), it has turned out that using char* IP address and uint16_t port number types are a convenient common denominator for logging, MGCP message composition and GSM48. Ongoing osmo-msc work also uses this for MNCC. This is of course potentially useful for any other IP+port combinations besides RTP stream handling. Needless to say that most current implementations will probably stay with their current own conversion code for a long time; for current osmo-{bsc,msc,mgw} work (MGW endpoint FSM) though, I would like to move to this API here. Change-Id: Id617265337f09dfb6ddfe111ef5e578cd3dc9f63
* add osmo_tdef API, originally adopted from osmo-bsc T_defNeels Hofmeyr2019-02-041-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move T_def from osmo-bsc to libosmocore as osmo_tdef. Adjust naming to be more consistent. Upgrade to first class API: - add timer grouping - add generic vty support - add mising API doc - add C test - add VTY transcript tests, also as examples for using the API From osmo_fsm_inst_state_chg() API doc, cross reference to osmo_tdef API. The root reason for moving to libosmocore is that I want to use the mgw_endpoint_fsm in osmo-msc for inter-MSC handover, and hence want to move the FSM to libosmo-mgcp-client. This FSM uses the T_def from osmo-bsc. Though the mgw_endpoint_fsm's use of T_def is minimal, I intend to use the osmo_tdef API in osmo-msc (and probably elsewhere) as well. libosmocore is the most sensible place for this. osmo_tdef provides: - a list of Tnnnn (GSM) timers with description, unit and default value. - vty UI to allow users to configure non-default timeouts. - API to tie T timers to osmo_fsm states and set them on state transitions. - a few standard units (minute, second, millisecond) as well as a custom unit (which relies on the timer's human readable description to indicate the meaning of the value). - conversion for standard units: for example, some GSM timers are defined in minutes, while our FSM definitions need timeouts in seconds. Conversion is for convenience only and can be easily avoided via the custom unit. By keeping separate osmo_tdef arrays, several groups of timers can be kept separately. The VTY tests in tests/tdef/ showcase different schemes: - tests/vty/tdef_vty_test_config_root.c: Keep several timer definitions in separately named groups: showcase the osmo_tdef_vty_groups*() API. Each timer group exists exactly once. - tests/vty/tdef_vty_test_config_subnode.c: Keep a single list of timers without separate grouping. Put this list on a specific subnode below the CONFIG_NODE. There could be several separate subnodes with timers like this, i.e. continuing from this example, sets timers could be separated by placing timers in specific config subnodes instead of using the global group name. - tests/vty/tdef_vty_test_dynamic.c: Dynamically allocate timer definitions per each new created object. Thus there can be an arbitrary number of independent timer definitions, one per allocated object. T_def was introduced during the recent osmo-bsc refactoring for inter-BSC handover, and has proven useful: - without osmo_tdef, each invocation of osmo_fsm_inst_state_chg() needs to be programmed with the right timeout value, for all code paths that invoke this state change. It is a likely source of errors to get one of them wrong. By defining a T timer exactly for an FSM state, the caller can merely invoke the state change and trust on the original state definition to apply the correct timeout. - it is helpful to have a standardized config file UI to provide user configurable timeouts, instead of inventing new VTY commands for each separate application of T timer numbers. Change-Id: Ibd6b1ed7f1bd6e1f2e0fde53352055a4468f23e5
* Bump version: 1.0.0 → 1.0.1Harald Welte2019-01-211-1/+1
| | | | Change-Id: I51696a3ace219ab69c294b0e3637371c5460291f
* Bump version: 0.12.0.128-8dfde → 1.0.0Harald Welte2019-01-191-1/+1
| | | | Change-Id: I1bd973754b1ebc42283f6a07defa60f58523f5a3
* configure.ac: check clock_gettime for glib < 2.17Alexander Couzens2018-12-031-1/+1
| | | | | | | glib < 2.17 doesn't support clock_gettime directly, it is available via librt. Change-Id: Ice853d85ffe859b1d4df48b91b050c24d85c861b
* Bump version: 0.11.0.91-9d4a3-dirty → 0.12.0Pau Espin Pedrol2018-07-271-1/+1
| | | | Change-Id: I7e66432f37e13fd4c31389e3d89593fa0981e58f
* isdnhdlc: Port from kernel to userspaceHarald Welte2018-05-111-1/+2
| | | | | | | | | | | * prefix all symbols/constants with osmo_ * use stdint.h types instead of kernel types * use Doxygen API documentation * use Osmocom CRC16-CCITT functions * use Osmocom bit-reversal functions * integrate with Automake Change-Id: I109085ab3e412c20b19cd42fb7137aa0e4167542
* configure: Check separately for lib implementing dlopen and dlsymPau Espin Pedrol2018-05-041-1/+1
| | | | | | | | | | Sometimes the library probiding dlopen is not the same one providing dlsym. This is the case when compiling with AddressSanitizer enabled. In this case, AC_SEARCH_LIBS([dlopen]...) reports no lib is required, but tests using dlsym still require to link against -ldl. Change-Id: Ic619b0885688066b60c97caf1e2c7e5402c1d9f7
* Bump version: 0.10.2.284-bc47-dirty → 0.11.0Pau Espin Pedrol2018-05-031-1/+1
| | | | | | | Remark: For libosmogb and libosmogsm, LIBVERSION was already bumped in c4fce1425e19d604c199c895e227dc2519110456. Change-Id: Ib4fa53a9bb9954ae48d0a610ba9a81dd8e8b4ef6
* timer: Introduce osmo_clock_gettime to override clock_gettimePau Espin Pedrol2018-03-011-1/+2
| | | | Change-Id: I5bebc6e01fc9d238065bc2517058f0ba85620349
* conv_acc: Our code requires SSSE3, not just SSE3Harald Welte2017-11-171-5/+5
| | | | | | | | | | | | | | | The accelerated convolutional decoder uses SSSE3 instructions such as PSIGNW (via _mm_sign_epi16) which go beyond what SSE3 offers. So let's make sure we use the right compiler flag (-mssse3) and also the right runtime check. Without this patch, we would use illegal instructions e.g. on Opteron Gen3 such as Opteron 2427, which are also used as build.opensuse.org build hosts (build31 through build36) where we wouldn't pass "make check" as a result. Change-Id: I2754164384109f2821fd98ffb48f625893f2923d Fixes: OS#2386
* Move additional libraries to appropriate placeMax2017-10-301-3/+3
| | | | | | | | | | | | | According to https://www.gnu.org/software/automake/manual/automake.html#Libtool-Flags the libraries supposed to be added to *_LDADD or *_LIBADD while *_LDFLAGS should contain additional libtool linking flags. Previously we used both. Let's unify this and move all the libraries into proper automake variable. While at it - also add libosmocore.la for tests to LDADD since all the tests link against it anyway. Change-Id: Ia657a66db75df831421af5df1175a992da5ba80f
* Tag/Release version 0.10.0Harald Welte2017-10-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It's been way too long since the last release. Almost one year and 468 commits. A brief summary of the changes below: * Doxygen for libosmo{coding,gb} * pseudotalloc for embedded builds, jenkins for arm-none-gnueabi * --disable-doxygen, --disable-ctrl, --disable-simd * update debian packaging * gsm0503 coding routines * osmo_hton[sl] * statistics.h -> counter.h * QCDIAG in gsmtap * llist_{first,last}_entry() * llist_count() * LOGPSRC() macro * msgb_pull_to_l2() * msgb_printf() * prbs * osmo_sock_init2() * osmo_sock_mcast_{name,loop_set,ttl_set,all_set,subscribe,ip}() * OSMO_STRINGIFY() * OSMO_VALUE_STRING() * OSMO_BYTES_FOR_BITS() * osmo_talloc_asprintf() * osmo_sub_auth_type_name() * osmo_sub_auth_data support for IND/SQN_MS * osmo_fsm ctrl interface * ctrl_handle_alloc2() * ctrl_interface_setup_dynip2() * OSMO_CTRL_PORT_HLR * bssgp_tx_bvc_ptp_reset() * gprs_ns_inst connect/remote_{ip,port} * osmo_gprs_{ul,dl}_block_size_{bits,bytes}() * osmo_gprs_{dl,ul}_cs_by_block_bytes() * gprs_ns_pdu_strings[] * more BSSGP cause values * abis_nm_admin_name() * AoIP support in gsm0808 * gsm_fn_as_gsmtime_str() * osmo_dump_gsmtime() * gsup charging support * ipa_ccm_make_id_resp() * ipa_ccm_make_id_resp_from_req() * struct gsm48_gprs_susp_req * gsm_04_14.h * rsl measurement preprocessing related IEs * abis_nm_event_cause_names[] * abis_nm_sw_desc and friends * more SYSINFO_TYPE_ values * osmo_earfcn_bit_size_ext() * t16lv_put() * msgb_t16lv_put() * tlvp_val16be() * tlvp_val32be() * osmo_tlvp_copy() * osmo_tlvp_merge() * many additional VTY nodes * cmd_node.name member * bitvec_set_u64() * bitvec_rl_curbit * ctrl_lookup_register() * osmo_fsm_find_by_name() * osmo_fsm_inst_find_by_name() * osmo_fsm_inst_find_by_id() Change-Id: Ieb5db2e910a90db780ea058b3280f2facbd68d76
* Rename 'statistics.c' to 'counter.c'Harald Welte2017-10-151-1/+1
| | | | | | | | | With stat_item, stats.c and stats_statsd.c, it is becoming a bit difficult to understand file naming. Also, the 'statistics.c' file actually only contained osmo_counter handling, so let's rename it to counter.c altogether. Change-Id: I2cfb2310543902b7da46cb15a76e2da317eaed7d
* Add pseudo-random bit sequence generator to libosmcooreHarald Welte2017-07-101-1/+1
| | | | | | | These PRBS sequences are specified in ITU-T O.150. They are typically used as test data to be transmitted for BER (bit error rate) testing. Change-Id: I227b6a6e86a251460ecb816afa9a7439d5fb94d1
* src/Makefile.am: fix build: use AM_CFLAGS, not CFLAGSNeels Hofmeyr2017-06-191-4/+4
| | | | | | | | | This allows passing 'make CFLAGS+="..."' without breaking the build. Suggested-by: zecke Change-Id: I0628a9c739cded771605f5c55df7f21cb07beb3b
* core/conv: use proper filenamesVadim Yanitskiy2017-06-191-8/+8
| | | | | | | | | | We already have generic convolutional transcoding implementation written by Sylvain Munaut and named 'conv.c', so 'viterbi_*' names looked a bit confusing. Let's use a single naming scheme for Viterbi related code. Change-Id: I61062a8d1fbf5f5fc85b4fac58dc4e9fa8b5ef90
* core/conv: do not mix up AVX and SSE codeVadim Yanitskiy2017-05-291-2/+15
| | | | | | | | | | | | | | | | | | | | | | | According to GCC's wiki: If you specify command-line switches such as -msse, the compiler could use the extended instruction sets even if the built-ins are not used explicitly in the program. For this reason, applications that perform run-time CPU detection must compile separate files for each supported architecture, using the appropriate flags. In particular, the file containing the CPU detection code should be compiled without these options. So, this change introduces a separate Viterbi implementation, which is almost the same as previous one, but is being compiled with -mavx2. This implementation will be only used by CPUs with both SSE and AVX support: SSE3 and AVX2: viterbi_sse_avx.c SSE3 only: viterbi_sse.c Generic: viterbi_generic.c Change-Id: I042cc76258df7e4c6c90a73af3d0a6e75999b2b0
* core/conv: rename viterbi_gen.c to viterbi_generic.cVadim Yanitskiy2017-05-291-1/+1
| | | | | | | Let's avoid confusion with generated files which have ending with _gen.* as well. Change-Id: I3ecd8f9e73c05236f2cdc186f58b3d0ba552283f
* core/conv: add x86 SSE support for Viterbi decoderTom Tsou2017-05-241-0/+6
| | | | | | | | | | | | | | Fast convolutional decoding is provided through x86 intrinsic based SSE operations. SSE3, found on virtually all modern x86 processors, is the minimal requirement. SSE4.1 and AVX2 are used if available. Also, the original code was extended with runtime SIMD detection, so only supported extensions will be used by target CPU. It makes the library more partable, what is very important for binary packages distribution. Runtime SIMD detection is currently implemented through the __builtin_cpu_supports call. Change-Id: I1da6d71ed0564f1d684f3a836e998d09de5f0351
* add libpseudotalloc as super-simplistic talloc replacementHarald Welte2017-05-171-0/+4
| | | | | | | | | | | In tightly embedded builds (--enable-embedded), we want the ability to replace talloc with a very simple heap allocator to avoid the complexity of talloc without modifying all our code that assumes talloc. This will break the hierarchical notion of the allocator, but libosmo{core,gsm,coding,codec} don't rely on that anyway. Change-Id: Ie341034076f242a813f081919dd09d845775ad35
* sercomm: Include in libosmocore MakefileHarald Welte2017-05-171-1/+1
| | | | Change-Id: If9d50d634381f43b2c67b97fea36a462a66e4559
* core/conv: implement optimized Viterbi decoderTom Tsou2017-04-111-1/+2
| | | | | | | | | | | | | | | | | | | | Add a separate, faster convolution decoding implementation for rates up to N=4 and constraint lengths of K=5 and K=7, which covers the most GSM code uses. The decoding algorithm exploits the symmetric structure of the Viterbi add-compare-select (ACS) operation - commonly known as the ACS butterfly. This shift-register optimization can be found in the well-known text by Dave Forney. Forney, G.D., "The Viterbi Algorithm," Proc. of the IEEE, March 1973. Implementation is non-architecture specific and improves performance on x86 as well as ARM processors. Existing API is unchanged with optimized code being called internally for supported codes. The original code was relicensed under GPLv2-or-later with permission of copyright holder - Tom Tsou. Change-Id: I74d355274b4176a7d924f91ef3c96912ce338fb2
* Catch-up with git version tagsMax2016-12-211-2/+3
| | | | | | | | | | | | * update debian/changelog * update TODO-RELEASE * add comments to Makefile.am and TODO-RELEASE to simplify the process in future * add link to libtool docs to Makefile.am to simplify LIBVERSION maintenance Related: OS#1861 Change-Id: I22c257e357f597519120232d742d6a61289db021
* Implement GSMTAP log targetHarald Welte2016-12-091-1/+1
| | | | | | | This target wraps the to-be-logged string (With metadata) into a GSMTAP packet and sends it to the configured destination address. Change-Id: I9a7e72b8c9c6f6f2d76d1ea2332dcdee12394625
* add osmo_gettimeofday as a shim around gettimeofdayNeels Hofmeyr2016-09-221-1/+1
| | | | | | | This allows feeding a custom time for unit tests by overriding osmo_gettimeofday. Change-Id: Ic7a81a6eb51f27fe452962b91f2eae2070d87089
* Add Finite State Machine abstraction codeHarald Welte2016-06-161-1/+1
| | | | | | | | | | This code is supposed to formalize some of the state machine handling in Osmocom code. Change-Id: I0b0965a912598c1f6b84042a99fea9d522642466 Reviewed-on: https://gerrit.osmocom.org/163 Tested-by: Jenkins Builder Reviewed-by: Harald Welte <laforge@gnumonks.org>
* Add T4 bit map compression routinesMax2016-02-181-1/+1
| | | | | | | | | | | | | | | Add bit map encoder and decoder functions: decoder is fully functional while encoder is good enough for testing - no backtracking to find the best possible compression is implemented. If somebody is willing to implement MS side of EDGE than this has to be expanded. Add corresponding tests. N. B: the encoding is implemented according to ETSI TS 44.060 which is slightly different from T4 used for fax according to CCITT G31D (RFC 804). Ticket: OW#2407 Sponsored-by: On-Waves ehf Signed-off-by: Max <msuraev@sysmocom.de>
* Add osmo_prim_op_names[] symbol and _SAP_SS7_BASE defineHarald Welte2015-12-231-1/+1
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* remove our internal copy of talloc, use system libtallocHarald Welte2015-12-051-11/+5
| | | | | | | Shipping our own private copy of talloc was a good idea in 2008, when it was not readily available on most target platforms. Today, the situation is quite different, as it is a standard library on major Linux distributions.
* stats: Move statsd related code into a separate fileJacob Erlbeck2015-11-261-1/+1
| | | | | | | | | | | This commit moves the stats specific code parts into stats_statsd.c while keeping the generic parts in stats.c. The code in stats.c no longer contains references to statsd symbols. Note that the VTY code still needs to know about every stats reporter backend. Sponsored-by: On-Waves ehf
* stats: Add the reporting frameworkJacob Erlbeck2015-10-291-1/+1
| | | | | | | | This commit provides the stats reporting framework that can manage several types of measurement reporters. Initially support for rate_ctr and the statsd protocol is included. Sponsored-by: On-Waves ehf
* stats: Add stat_item for value monitoringJacob Erlbeck2015-10-281-1/+1
| | | | | | | | | | | | | | This commit adds instrumentation function to gather measurement and statistical values similar to counter groups. Multiple values can be stored per item, which can be retrieved in FIFO order. Getting values from the item does not modify its state to allow for multiple independant backends (e.g. VTY and statd). When a new value is set, the oldest value gets silently overwritten. Lost values are skipped when getting values from the item. Sponsored-by: On-Waves ehf
* Prepare a new libosmocore releaseHolger Hans Peter Freyther2015-01-181-1/+1
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* build: remove unused all_includes and use AM_CPPFLAGSJan Engelhardt2014-10-031-1/+2
| | | | | Preprocessor flags are best placed in AM_CPPFLAGS. Remove use of the unused all_includes variable, which is never set.
* logging: Add ability to save/print current log filtersHarald Welte2014-08-251-1/+1
| | | | | | This enables the persistent configuration of let's say 'log filter imsi 012345678' for a given log file in the config file.
* osmocore: Add function osmo_macaddr_parse() to parse ETH MAC addressHarald Welte2014-08-181-1/+2
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* backtrace: Speculative fix for FreeBSD10.0 and execinfo.hHolger Hans Peter Freyther2014-04-171-1/+2
| | | | | | | FreeBSD 10.0 ships an execinfo.h but one needs to link to an additional library for the backtrace functions. Check if there is a backtrace symbol in libexecinfo and if so link to that library.
* cygwin: Link many libraries with -no-undefined to create a dllHolger Hans Peter Freyther2013-03-031-2/+2
| | | | | | Only the Gb library relies on having undefined references to a symbol that needs to be provided by the host application. For all other libraries we can link with -no-undefined.
* Added a ring buffer log target to store the last N log messages.Katerina Barone-Adesi2013-02-271-2/+2
| | | | | | | The log target can be used via log alarms and show alarms. Why? This feature was proposed/requested at http://openbsc.osmocom.org/trac/wiki/Tasks/ErrorLogTarget All messages use the same amount of space, prioritizing simplicity.
* Revert "Added a ring buffer log target to store the last N log messages."Holger Hans Peter Freyther2013-02-271-2/+2
| | | | | | | I noticed some more issues and it is the easiest to revert and include the fixed version. This reverts commit 73377229bb33ab79682ce4b126a63602d13304ad.
* Added a ring buffer log target to store the last N log messages.Katerina Barone-Adesi2013-02-271-2/+2
| | | | | | | The log target can be used via log alarms and show alarms. Why? This feature was proposed/requested at http://openbsc.osmocom.org/trac/wiki/Tasks/ErrorLogTarget All messages use the same amount of space, prioritizing simplicity.
* build: Don't use the deprecated INCLUDES in the various Makefile.amSylvain Munaut2012-12-111-2/+1
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* build: use LT_INIT(pic-only) instead of forcing -fPIC.Diego Elio Pettenò2012-06-301-1/+1
| | | | | | | | This actually allows for the user to override the decision and at the same time supports compilers that might not be able to use -fPIC at all. Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
* build: avoid multi-level recursion for src/ directory.Diego Elio Pettenò2012-06-301-2/+0
| | | | Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
* build: use BUILT_SOURCES for the generated source files.Diego Elio Pettenò2012-06-301-0/+2
| | | | | | This avoids possible race conditions on heavily multi-core systems. Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
* build: use the standard AM_V_GEN definition for output.Diego Elio Pettenò2012-06-301-2/+1
| | | | | | This actually allows for the command to be printed if using `make V=1` Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
* libosmogb: move files to proper location and fix buildHarald Welte2012-06-171-1/+1
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