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While doing so, we also restructure/reorganize the vailidity period
parsing in general.
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- Added function "gsm340_scts" to decode the service center time stamp
into a UTC/GMT timestamp
- in function gsm340_validity_period: can now decode validity period
format absolute.
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When only one SMS is sent, the freeing of the lchan will
automatically free all transactions on the lchan.
However, if there are several SMS sent at once, the call
to gsm411_send_sms_lchan will create a new transaction
with the same caracteristics as the previous one. If
the old one is not free'd, the next call to trans_find_by_id
(triggered by the next incoming RP-ACK) will not return the good
transaction and things go haywire.
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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this helps the caller to determine if he will ever get called back
or not (and if he should free his data structures now or not)
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this enables the caller to detect if the paging request was rejected
by the paging layer, especially in case it is already paging this very
subscriber.
In the case of SMS / 04.11, we used to have a memory leak of struct gsm_sms's,
since we would only free them from the paging succeeded/expired callbacks.
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the various constructors get called in a non-obvious, linker determined
order, which makes certain objects disappear from the talloc report.
This change moves the talloc context creation into a new talloc_ctx.c file
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we only stopped the cp1* timer on reception of cp-ack, but not
in error cases like rx of cp-error.
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SMS related messages are all sent over SAPI=3. But in addition
to that, we also need to send it over the correct link identifier,
i.e. SACCH or main signalling channel
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With the 7bit alphabet the user_data_len field needs to be in
septets (characters) and not in octets occupied.
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return rc in these cases.
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Fix various warnings about implicit declarations of functions.
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* send more pending messages after RP-ACK of DELIVER has been received
* send pending messages after RP-SMMA has been received
* clear the transaction when sending CP-ACK in MT/DELIVER case
* always use the same transaction ID (since my assumptions about
SMS transactions were wrong)
* try to deliver messages through existing lchan rather than starting
paging
* send pending SM's after LOCATION UPDATE ACCEPT has been sent
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SM's need to be transferred over their own RLL connection on SAPI3, rather than
the default SAPI0 connection that we're using for signalling like 04.08
RR/MM/CC.
This is not that much of a problem in the case of SMS SUBMIT from the MS to
the netwrok. In that case, the MS will start its primary RLL connection
with SAPI3, and we can just respond with SAPI3.
However, in the case of SMS DELIVER to a MS, we first page the MS, it then
establishes SAPI0. We then need to explicitly request the establishment of
a SAPI3 RLL connection, before we can send CP-DATA with our RP-DATA and DELIVER
RPDU
Now that we have the bsc_rll.c code, we can actually wait for a paging
response, and from the paging response request the establishment of the SAPI3
connection. We will be called back once that connection is open and can
successively start transmission of the SM.
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we now have the full path from the MS into the database (SUBMIT), as well as
back from the database to the MS (DELIVER). The database gets correctly
updated once a SMS has been successfully delivered.
What's still missing is the periodic scan over all undelivered messages,
trying to deliver them to the respective MS. So far, you have to manually
trigger this on the telnet interface with 'sms send pending 1'
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Conflicts:
openbsc/include/openbsc/transaction.h
openbsc/src/gsm_04_11.c
openbsc/src/transaction.c
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This is much more optimal than checking if the context exists every
time we allocate the respective object.
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since a subscriber is an element of the gsm_network, we have to ensure
subscr->net is always set correctly. We do this by using gsm_network
as an argument to all functions that resolve or create a subscriber.
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since a subscriber is an element of the gsm_network, we have to ensure
subscr->net is always set correctly. We do this by using gsm_network
as an argument to all functions that resolve or create a subscriber.
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* describe data structures in gsm_04_11.h
* increae LCHAN RELEASE TIMEOUT for case of long SMS
* convert header field in sql table from NUMERIC to BLOB
* initial handling for validity period
* send RP ERROR messages with meaningful RP CAUSE in case of error
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when we generate a talloc report (SIGUSR1), we can now see which system
allocated a given msgb, this helps memory leak debugging
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this bug was introduced in Andreas' MNCC patches while altering
decode_bcd_number().
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this patch implements the encoding/decoding of 04.08 call control information
elements. It adds new functions to be used for the application interface
patch, and is basis for the application patch (currently patch 36).
Please ignore warnings about unused static functions for now.
(Andreas Eversberg)
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