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2017-08-30split off osmo-sgsn: remove files, apply build1.1.0Neels Hofmeyr1-68/+0
Change-Id: I5d27ff93e56cd13e0e70edd15e2080201e35e91f
2017-08-27Implement IuCS (large refactoring and addition)Neels Hofmeyr1-5/+7
osmo-nitb becomes osmo-msc add DIUCS debug log constant add iucs.[hc] add msc vty, remove nitb vty add libiudummy, to avoid linking Iu deps in tests Use new msc_tx_dtap() instead of gsm0808_submit_dtap() libmgcp: add mgcpgw client API bridge calls via mgcpgw Enable MSC specific CTRL commands, bsc_base_ctrl_cmds_install() still needs to be split up. Change-Id: I5b5b6a9678b458affa86800afb1ec726e66eed88
2017-08-27mscsplit: various preparations to separate MSC from BSCNeels Hofmeyr1-6/+22
Disable large parts of the code that depend on BSC presence. The code sections disabled by #if BEFORE_MSCSPLIT shall be modified or dropped in the course of adding the A-interface. Don't set msg->lchan nor msg->dst. Don't use lchan in libmsc. Decouple lac from bts. Prepare entry/exit point for MSC -> BSC and MSC -> RNC communication: Add msc_ifaces.[hc], a_iface.c, with a general msc_tx_dtap() to redirect to different interfaces depending on the actual subscriber connection. While iu_tx() is going to be functional fairly soon, the a_tx() is going to be just a dummy for some time (see comment). Add Iu specific fields in gsm_subscriber_connection: the UE connection pointer and an indicator for the Integrity Protection status on Iu (to be fully implemented in later commits). Add lac member to gsm_subscriber_connection, to allow decoupling from bts->location_area_code. The conn->lac will actually be set in iu.c in an upcoming commit ("add iucs.[hc]"). move to libcommon-cs: gsm48_extract_mi(), gsm48_paging_extract_mi(). libmsc: duplicate gsm0808 / gsm48 functions (towards BSC). In osmo-nitb, libmsc would directly call the functions on the BSC level, not always via the bsc_api. When separating libmsc from libbsc, some functions are missing from the linkage. Hence duplicate these functions to libmsc, add an msc_ prefix for clarity, also add a _tx to gsm0808_cipher_mode(): * add msc_gsm0808_tx_cipher_mode() (dummy/stub) * add msc_gsm48_tx_mm_serv_ack() * add msc_gsm48_tx_mm_serv_rej() Call these from libmsc instead of * gsm0808_cipher_mode() * gsm48_tx_mm_serv_ack() * gsm48_tx_mm_serv_rej() Also add a comment related to msc_gsm0808_tx_cipher_mode() in two places. Remove internal RTP streaming code; OsmoNITB supported that, but for OsmoMSC, this will be done with an external MGCP gateway. Remove LCHAN_MODIFY from internal MNCC state machine. Temporarily disable all paging to be able to link libmsc without libbsc. Skip the paging part of channel_test because the paging is now disabled. Employ fake paging shims in order for msc_vlr_tests to still work. msc_compl_l3(): publish in .h, tweak return value. Use new libmsc enum values for return val, to avoid dependency on libbsc headers. Make callable from other scopes: publish in osmo_msc.h and remove 'static' in osmo_msc.c add gsm_encr to subscr_conn move subscr_request to gsm_subscriber.h subscr_request_channel() -> subscr_request_conn() move to libmsc: osmo_stats_vty_add_cmds() gsm_04_08: remove apply_codec_restrictions() gsm0408_test: use NULL for root ctx move to libbsc: gsm_bts_neighbor() move to libbsc: lchan_next_meas_rep() move vty config for t3212 to network level (periodic lu) remove unneccessary linking from some tests remove handle_abisip_signal() abis_rsl.c: don't use libvlr from libbsc gsm_subscriber_connection: put the LAC here, so that it is available without accessing conn->bts. In bsc_api.c, place this lac in conn for the sake of transition: Iu and A will use this new field to pass the LAC around, but in a completely separate OsmoBSC this is not actually needed. It can be removed again from osmo-bsc.git when the time has come. Siemens MRPCI: completely drop sending the MRPCI messages for now, they shall be added in osmo-bsc once the A-Interface code has settled. See OS#2389. Related: OS#1845 OS#2257 OS#2389 Change-Id: Id3705236350d5f69e447046b0a764bbabc3d493c
2017-08-27Use libvlr in libmsc (large refactoring)Harald Welte1-86/+6
Original libvlr code is by Harald Welte <laforge@gnumonks.org>, polished and tweaked by Neels Hofmeyr <nhofmeyr@sysmocom.de>. This is a long series of trial-and-error development collapsed in one patch. This may be split in smaller commits if reviewers prefer that. If we can keep it as one, we have saved ourselves the additional separation work. SMS: The SQL based lookup of SMS for attached subscribers no longer works since the SQL database no longer has the subscriber data. Replace with a round-robin on the SMS recipient MSISDNs paired with a VLR subscriber RAM lookup whether the subscriber is currently attached. If there are many SMS for not-attached subscribers in the SMS database, this will become inefficient: a DB hit returns a pending SMS, the RAM lookup will reveal that the subscriber is not attached, after which the DB is hit for the next SMS. It would become more efficient e.g. by having an MSISDN based hash list for the VLR subscribers and by marking non-attached SMS recipients in the SMS database so that they can be excluded with the SQL query already. There is a sanity limit to do at most 100 db hits per attempt to find a pending SMS. So if there are more than 100 stored SMS waiting for their recipients to actually attach to the MSC, it may take more than one SMS queue trigger to deliver SMS for subscribers that are actually attached. This is not very beautiful, but is merely intended to carry us over to a time when we have a proper separate SMSC entity. Introduce gsm_subscriber_connection ref-counting in libmsc. Remove/Disable VTY and CTRL commands to create subscribers, which is now a task of the OsmoHLR. Adjust the python tests accordingly. Remove VTY cmd subscriber-keep-in-ram. Use OSMO_GSUP_PORT = 4222 instead of 2222. See I4222e21686c823985be8ff1f16b1182be8ad6175. So far use the LAC from conn->bts, will be replaced by conn->lac in Id3705236350d5f69e447046b0a764bbabc3d493c. Related: OS#1592 OS#1974 Change-Id: I639544a6cdda77a3aafc4e3446a55393f60e4050
2017-08-27move openbsc/* to repos rootNeels Hofmeyr1-0/+130
This is the first step in creating this repository from the legacy openbsc.git. Like all other Osmocom repositories, keep the autoconf and automake files in the repository root. openbsc.git has been the sole exception, which ends now. Change-Id: I9c6f2a448d9cb1cc088cf1cf6918b69d7e69b4e7
2009-06-10move openbsc into its own subdirectoryHarald Welte1-58/+0
2009-06-09* add support for storing classmark1/2/3 per subscriberHarald Welte1-0/+8
* add support for parsing measurement results (both BTS and MS side)
2009-06-04[subscr] Remove the struct gsm_bts pointer from subscriberHolger Freyther1-1/+0
The pointer was initially added to support to open a lchan by using the gsm_subscriber structure. We would have restored the struct gsm_bts from the db when loading the subscriber. Instead we will dynamically resolve the gsm_bts and might end up paging multiple bts in the same (stored/old) location area until it answers.
2009-06-04gsm_subscriber.h: Remove trailing whitespace...Holger Freyther1-1/+1
Cosmetic changed
2009-06-02[subscriber] Change id to long long unsigned int (Andreas Eversberg)Holger Freyther1-1/+1
Changes the subscriber id type defintion from "long unsigned int" to "long long unsigned int". Without, printf with '%llu' caused a crash.
2009-05-23show and edit subscribers from the vty interfaceHarald Welte1-1/+1
2009-04-12[subscriber] Introduce subscr_put_channelHolger Freyther1-0/+1
Introduce subscr_put_channel to release a channel and to allow gsm_subscriber.c to hand this channel to any suitable pending requests.
2009-04-12[subscriber] Update the current_bts field on imsi detach and LOC acceptHolger Freyther1-1/+7
When sending LOCATION UPDATING REQUEST Accept or when getting a IMSI Detach update the gsm_bts of the gsm_subscriber.
2009-02-09introduce lookup of subscribers based on their extension numberHolger Freyther1-0/+2
2009-01-04Make gcc happy and remove a couple of warningsHolger Freyther1-0/+1
Remove the callbacks from gsm_network for now. A set of different callbacks will be back. E.g. when the paging is completed, when the Q.931 like call handling is there... Remove var's or move them into #if 0, remove unused stuff that looks like we do not need it anytime soon or #if 0 them, move stuff around.
2009-01-04Define the gsm_subscriber getter functions in the headerHolger Freyther1-1/+5
2009-01-01Change the subscriber and database backendHolger Freyther1-0/+9
gsm_subscriber is now refcounted, the db backend is leaking a lot less, db_get_subscriber will allocate the subscr record now, subscr_* will look up a subscriber in the list of currently active subscribers and add an ref to this one. The db test cases pass, more testing will be when next to the bts
2008-12-27add extension field to subscriber struct and name column to dbJan Luebbe1-0/+2
2008-12-27add a equipment tableJan Luebbe1-0/+2
2008-12-27add authorized state to subscribers in dbJan Luebbe1-0/+1
2008-12-27rewrite db backendJan Luebbe1-5/+12
2008-12-25no reasonable commit message possible. tons of changes of the last 2 daysHarald Welte1-1/+1
2008-12-23initial commit of current OpenBSC stateHarald Welte1-0/+16