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authorHarald Welte <laforge@gnumonks.org>2016-06-19 18:06:02 +0200
committerNeels Hofmeyr <neels@hofmeyr.de>2017-08-27 17:40:52 +0200
commit9066b74c1fe5439c79e82cff9ab0fdb503a33332 (patch)
tree68489deee447c38f0d3efcfdfa715ec041b0be3f /doc/examples
parent9ccd6621fb236377c0b71d334f64bede02ec32e7 (diff)
Use libvlr in libmsc (large refactoring)
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
Diffstat (limited to 'doc/examples')
-rw-r--r--doc/examples/osmo-bsc/osmo-bsc.cfg1
-rw-r--r--doc/examples/osmo-nitb/rbs2308/openbsc.cfg1
2 files changed, 0 insertions, 2 deletions
diff --git a/doc/examples/osmo-bsc/osmo-bsc.cfg b/doc/examples/osmo-bsc/osmo-bsc.cfg
index 56e4724..b974b76 100644
--- a/doc/examples/osmo-bsc/osmo-bsc.cfg
+++ b/doc/examples/osmo-bsc/osmo-bsc.cfg
@@ -40,7 +40,6 @@ network
timer t3119 0
timer t3122 0
timer t3141 0
- subscriber-keep-in-ram 0
bts 0
type nanobts
band DCS1800
diff --git a/doc/examples/osmo-nitb/rbs2308/openbsc.cfg b/doc/examples/osmo-nitb/rbs2308/openbsc.cfg
index 0226920..3a7bd21 100644
--- a/doc/examples/osmo-nitb/rbs2308/openbsc.cfg
+++ b/doc/examples/osmo-nitb/rbs2308/openbsc.cfg
@@ -37,7 +37,6 @@ network
timer t3119 0
timer t3122 0
timer t3141 0
- subscriber-keep-in-ram 0
bts 0
type rbs2000
band GSM900