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2016-02-05Add T4 bit map compression routineszecke/pre-release/0.9.3-t4Max2-0/+43
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>
2016-02-05Expand bitvec interfaceMax1-0/+9
Add bit filling, shifting and other functions necessary for bit compression implementation. Add corresponding tests.
2016-01-30bitvec: Test and fix regression for C++->C conversionHolger Hans Peter Freyther1-2/+2
bitvec_read_field/bitvec_write_field in the PCU used a C++ reference and when porting to C it was decided to pass the parameter by value and this lost the "back propagation" of the new index. Change the parameter to be an in/out parameter and this way do not have a silent semantic break in the osmo-pcu (where we copy the reference in csn.1 by value) and have a true compile failure. Add Max's simple test for bitvec_unhex function leaving the checking of bitvec_read_field and the side effect in the datastructure about the number of bits still open.
2016-01-26Add bitvec-related functions from Osmo-PCUMax1-0/+9
Allocation, pack/unpack, field access and helper routines used extensively by Osmo-PCU. Whenever memory allocation happens, alocator context is passed explicitly by caller.
2016-01-22bitvec: Fix interface to consistently use unsigned intMax1-5/+5
Use unsigned int for the length throughout the interface. We will never have a a negative length. Sponsored-by: On-Waves ehf
2016-01-18comment typoNeels Hofmeyr1-1/+1
2016-01-15msgb: Assert len >= 0 in msgb_trimJacob Erlbeck1-0/+2
Currently msgb_trim only checks for len > data_len and returns -1 in that case, allowing the caller to fix it somehow. Using a negative length will always lead to a corrupt msgb, but this is not being checked. This commit adds a check for len < 0 and a conditional call to MSGB_ABORT. Sponsored-by: On-Waves ehf
2016-01-15bitvec: Add get/set byte sequencesJacob Erlbeck1-0/+10
The new functions bitvec_get_bytes and bitvec_set_bytes copy byte sequences from bitvecs to uint8_t arrays and vice versa. While the bytes in the bitvecs do not need to be aligned, the uint8_t arrays always are. In case the bytes in the bitvec are aligned, the implementation uses memcpy. Note that the implementation like the other existing functions assume MSB first encoding. [hfreyther: Squash the comment fix into this commit as well] Sponsored-by: On-Waves ehf
2016-01-15gsm: Add APN conversion functionsJacob Erlbeck1-0/+3
These functions are currently part of openbsc but also needed by other projects. The function have been renamed as follows: gprs_apn_to_str -> osmo_apn_to_str gprs_str_to_apn -> osmo_apn_from_str Sponsored-by: On-Waves ehf
2015-12-25osmo_prim_op_names should be externHarald Welte1-1/+1
2015-12-23Add osmo_prim_op_names[] symbol and _SAP_SS7_BASE defineHarald Welte1-0/+3
2015-12-21msgb: Add msgb_test_invariant functionJacob Erlbeck1-0/+40
This adds a function that verifies whether a mgsb is consistent. Sponsored-by: On-Waves ehf
2015-12-21msgb: Add msgb_resize_area and msgb_copyJacob Erlbeck1-0/+3
These functions originate from openbsc/src/gprs but are generic msgb helper functions. msgb_copy: This function allocates a new msgb, copies the data buffer of msg, and adjusts the pointers (incl. l1h-l4h) accordingly. msgb_resize_area: This resizes a sub area of the msgb data and adjusts the pointers (incl. l1h-l4h) accordingly. Sponsored-by: On-Waves ehf
2015-12-21some comments / fixed typosNeels Hofmeyr4-2/+6
2015-12-13RSL: Add enum + TLV definitions for ip.access style embedded IEsHarald Welte2-0/+31
2015-12-09gsm_03_41: Fix structure definitions for big-endian machinesRuben Undheim1-0/+31
this was detected by debian packaging, as the associated gsm_03_41 test case fails on big endian machines like ppc.
2015-12-08stats: Add OSMO prefix to STAT_ITEM_NOVALUE_IDJacob Erlbeck1-1/+1
This symbol is globally visible and therefore should have an OSMO prefix like the other identifiers exported by stat_item.h. Sponsored-by: On-Waves ehf
2015-12-08stat: Explicitly support stat_items without unitJacob Erlbeck1-0/+1
Add OSMO_STAT_ITEM_NO_UNIT for stat items without an unit. The statsd reporter uses gauges ("g") to report them. Sponsored-by: On-Waves ehf
2015-12-05remove our internal copy of talloc, use system libtallocHarald Welte3-205/+4
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.
2015-11-26stats: Move statsd related code into a separate fileJacob Erlbeck1-4/+12
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
2015-11-21use system-wide libtalloc with --enable-system-tallocHarald Welte2-1/+14
This introduces a new configure flag by which the libosmocore-internal talloc code is not compiled, but rather a system-wide libtalloc is used. When we started openbsc/libosmocore in 2008, libtalloc was not widely present on systems yet. This has changed meanwhile, and we should simply use the system-wide library
2015-11-12fix FSF address in sources/headersJaroslav Škarvada4-7/+8
Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
2015-11-09stats: Send all values on reporter updateJacob Erlbeck1-0/+1
Currently only counter changes and new item values are being reported. This makes it cumbersome to configure reporting clients, since there is nothing like a list of all parameters. This commit changes this behaviour such that all currently existing counters and items that would be reported eventually, are passed to the reporter when it has been reconfigured or enabled. If a counter has not been incremented, 0 is sent. If a stat item value has not been added, the last item value (or the default value if there is none) is resent again. Note that this will not catch transient counters/items that will be created later on, e.g. triggered by new peers or subscribers. To just force this kind of dump on a running reporter, it is sufficient to invoke the 'enable' command in its configuration node. Sponsored-by: On-Waves ehf
2015-11-04gprs-ns/stats: When the NSVCI is updated, update the stats counterHolger Hans Peter Freyther2-0/+11
The NS object is created with an unknown identity and only after the reset procedure has progressed (completed?) we know the real ID for this peer. Before nobody has looked at the idx values (this could have been seen with the CTRL interface) but with statsd the wrong NSVCI becomes obvious. Add routines to update the idx and I don't know if the change of idx is causing any issues but we will find that out soon.
2015-08-22stats/vty: Add selective show stats commandJacob Erlbeck1-0/+2
Currently there is only the 'show stats' command which shows all counter and stat_item values. This can lead to many lines of output if there are per-subscriber rate counters. The new command added by this commit allows it to only show groups of a certain level (class_id), similar to the 'level' configuration command for stats reporter. The new command is show stats level (global|peer|subscriber) Sponsored-by: On-Waves ehf
2015-08-21stats: Fix build on FreeBSDHolger Hans Peter Freyther1-0/+2
include stdint.h for int64_t and use netinet/in.h and not netinet/ip.h for getting sockaddr_in and such.
2015-11-02gtphub: add OSMO_VTY_PORT_GTPHUB.Neels Hofmeyr1-0/+1
This is for gtphub, being developed in openbsc.git. Sponsored-by: On-Waves ehi
2015-11-02fix some typosNeels Hofmeyr2-5/+5
Sponsored-by: On-Waves ehi
2015-11-02log: Add new DLSTATS log levelJacob Erlbeck1-1/+2
This log level is used by the stats subsystem log reporter to report statistics to level INFO. Note that the default level of DLSTATS is NOTICE. Sponsored-by: On-Waves ehf
2015-11-02stats: Limit reporting by class idJacob Erlbeck3-0/+14
This commit adds class_id fields to the rate_ctr and stat_item group descriptions. The stats reporter code is extended to only process groups whose class_id does not exceed a per reporter max_class level. If the class_id is not set, the code assumes 'global' for groups with idx == 0 and 'subscriber' otherwise. The following vty command is added to config-stats: level (global|peer|subscriber) Set the maximum group level Sponsored-by: On-Waves ehf
2015-11-02vty: Add reserved nodes to enum node_typeJacob Erlbeck1-0/+9
Currently every time a node is added to enum node_type, this constitutes an ABI change, since _LAST_OSMOVTY_NODE will get incremented accordingly. In this case, every project that adds new node type based on that value will have to be recompiled. This commit adds 4 spare node type values, which can be replaced one-by-one by new real types until they are exhausted to avoid this kind of ABI change. Sponsored-by: On-Waves ehf
2015-11-02stats: Add osmo_ name prefix to identifiersJacob Erlbeck5-67/+67
Since the the stat_item and stats functions and data types are meant to be exported, they get an osmo_ prefix. Sponsored-by: On-Waves ehf [hfreyther: Prepended the enum values too. This was requested by Jacob]
2015-10-29stats: Add log reporterJacob Erlbeck1-0/+3
This reporter passes the measurement values to the logging subsystem as DSTATS (which is currently DLGLOBAL) level INFO messages. Sponsored-by: On-Waves ehf
2015-10-29stats: Use function pointers in reporter objectsJacob Erlbeck1-0/+14
Currently case statements are used to select the right reporter functions. This makes it difficult to add new reporter types, especially if they are not going to reside in the same file. This commit introduces per reporter function pointer for open, close, send_count, and send_item. They are checked for non-NULL before being called or skipped. Sponsored-by: On-Waves ehf
2015-10-29stats: Make net config optionalJacob Erlbeck1-0/+2
To support reporters without network configuration, this commit introduces the have_net_config flag to provide corresponding error messages. Sponsored-by: On-Waves ehf
2015-10-29stats: Support statsd Multi-Metric PacketsJacob Erlbeck1-0/+5
If the MTU is given, combine several messages into a single UDP packet until the limit is reached. Flush all reporters after the values have been scanned. New vty commands (node config-stats): mtu <100-65535> Enable multi-metric packets and set the maximum packet size (in byte) no mtu Disable multi-metric packets Note that single messages that are longer than the given MTU (minus 28 octets protocol overhead) will be dropped. Sponsored-by: On-Waves ehf
2015-10-29core: Add difference function to osmo_counterJacob Erlbeck1-0/+4
The osmo_counter_difference returns the counter value difference since the last call of this function with the given counter object. Sponsored-by: On-Waves ehf
2015-10-29stats: Implement timer based reportingJacob Erlbeck1-2/+8
This calls stats_flush in regular intervals which polls the statistical values and calls the active reporters when values have changed. Sponsored-by: On-Waves ehf
2015-10-29stats/vty: Add stats configurationJacob Erlbeck1-0/+1
This commit provides stats configuration similar to the log configuration. The following vty commands are added to the config node: stats reporter statsd Create/Modify a statsd reporter no stats reporter statsd Remove a statsd reporter To actually configure a reporter, the config-stats node is entered when the "stats reporter" command has succeeded. The following new vty commands are available there: local-ip ADDR Set the IP address to which we bind locally no local-ip Do not bind to a certain IP address remote-ip ADDR Set the remote IP address to which we connect remote-port <1-65535> Set the remote port to which we connect prefix PREFIX Set the item/counter name prefix no prefix Do not use a prefix enable Enable the reporter disable Disable the reporter Sponsored-by: On-Waves ehf
2015-10-29stats: Add the reporting frameworkJacob Erlbeck2-0/+71
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
2015-10-29stats/vty: Add stats_vty.cJacob Erlbeck2-0/+4
This file will contain the VTY code related to statistics. This commit adds a minimal file with just as single VTY command: - show stats This command shows all statistical values To enable this and future commands, the main program needs to call stats_vty_add_cmds(). Sponsored-by: On-Waves ehf
2015-10-28stat/vty: Add vty_out_statistics_full to show all statisticsJacob Erlbeck1-0/+2
This functions shows the state of all osmo_counters, stat_item groups, and counter groups. Sponsored-by: On-Waves ehf
2015-10-28core: Update osmo_counters_for_each docJacob Erlbeck1-2/+2
Fix type and add a note about the semantics of the handler's return code. Sponsored-by: On-Waves ehf
2015-10-28stats: Add stat_item_for_each functionsJacob Erlbeck1-0/+14
This commit adds the following functions: stat_item_for_each_group Call a handler for each group stat_item_for_each_item Call a handler for each item of a group Sponsored-by: On-Waves ehf
2015-10-28core: Extend rate_ctr by helper functionsJacob Erlbeck1-0/+19
For global value reporting, some additional helper functions are needed. The statsd protocol expects differential counter values, which are currently not provided by rate_ctr (except for s/m/h/d intervals). This commit adds several helper functions to rate_ctr: - rate_ctr_difference returns the counter delta since the last call to this function for a given counter - rate_ctr_for_each_counter iterates through each counter of a group - rate_ctr_for_each_group iterates through all globally registered counter groups Note that the rate_ctr_difference function can only be used by a single backend, since it modifies the 'previous' field in the rate_ctr obj. Sponsored-by: On-Waves ehf
2015-10-28stats: Use a global index for stat item valuesJacob Erlbeck1-9/+19
Currently each stat item has a separate index value which basically counts each single value added to the item and which can be used by a reporter to get all new values that have not been reported yet. The drawback is, that such an index must be stored for each stat item. This commit introduces a global index which is incremented for each new stat item value. This index is then stored together with the item value. So a single stored index per reporter is sufficient to make sure that only new values are reported. Sponsored-by: On-Waves ehf
2015-10-28ns: Add statistics for some eventsJacob Erlbeck1-0/+2
The following counters are added to the ns.nsvc counter group: lost.alive The number of missing ALIVE ACK messages lost.reset The number of missing RESET ACK messages The following items are added to the ns.nsvc stat item group: alive.delay The time in ms between sending ALIVE and receiving the next ALIVE ACK Sponsored-by: On-Waves ehf
2015-10-28stats: Add vty_out_stat_item_groupJacob Erlbeck1-1/+5
This functions dumps a whole stat item group to the VTY. Sponsored-by: On-Waves ehf
2015-10-28stats: Add stat_item for value monitoringJacob Erlbeck2-0/+105
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
2015-10-09commentsNeels Hofmeyr2-3/+4
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