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Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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This is used by the paging code of the osmo_bsc. When we get
a paging response there should be an active subscriber with
the TMSI or IMSI and we can stop paging. There is no need to
allocate a new subscriber.
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Create a subscriber based on a known IMSI, search the list of
active subscribers if there is already someone like this.
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Try to get the company name of our sponsor right...
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We are implementing the intra BSC handover so we should have the
code in the BSC as well.
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On expired paging we might access a GSM Subscriber that has already
been deleted. To avoid this we will add a subscr_get/subscr_put for
the subscriber to the allocation and release path of the request.
Reported-by: Richard Zahoransky
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A channel will be released in case of
* Errors via the clear_request callback...
* no more transactions and operations are going on.
This means that if we do something without a transaction
the channel might be closed down right away. The bug fix
will be to create a transaction/operation.
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The function we call will take the item from the list and do
the right thing.
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Prepare to split the BSC and the MSC part by putting the
MSC data for a connection into a "gsm_subscriber_connection"
struct and renaming the macros.
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This library is intended to collect all generic/common funcitionality
of all Osmocom.org projects, including OpenBSC but also OsmocomBB
The library currently includes the following modules:
bitvec, comp128, gsm_utils, msgb, select, signal, statistics, talloc, timer,
tlv_parse, linuxlist
msgb allocation error debugging had to be temporarily disabled as it depends on
'debug.c' functionality which at the moment remains in OpenBSC
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Gracefully handle a case where success and expire could fire... I'm
only hitting this when doing something evil to simulate network code
but it seems appropriate to handle this gracefully.
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tmsi is four octets long, there is no need to make it a string
and then jump through hoops to convert it to a number. Keep the database
using it as a string to benefit from the NULL handling of the db.
Introduce the reserved tmsi which has all bits set to 1 according
to GSM 03.03 ยง2.4 and start checking for it and make sure the db
code will never allocate such a tmsi.
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Remove the extra parameter from the method, the network can be
taken from the subscriber.
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For the BSC part we still assign a gsm_subscriber to lchan but it
might only contain the TMSI of this subscriber.
For the MSC part we will need the HLR/VLR feature of the gsm_subscriber,
specially the lookup's by number...
So if libbsc.a/libmsc.a are compiled in one app and used the
subscribers will be shared, and if only libbsc.a gets used we will
have more empty gsm_subscriber.c..
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