Changes

Implement ITU Q.704 T10 timer

Implement timer T10 used for periodic ASP Audit procedure as described
in:
* ITU Q.704 13.5.2
* rfc4666 4.5.3
* ETSI TS 102 142 V1.1.1

This procedure is used in order to recover the signalling route
availability information that may not have been received because of
some signalling network failure.

Related: OS#6883
Change-Id: Ic12b1aa8f2a02f32615dade34f0e1f01b2535f7b

cosmetic: xua_snm: Add spec reference regarding no SSNM tx

Change-Id: I69912d5b7032c12e06648e5f5a700384182bb1f9

Use new libosmo-asn1-tcap API osmo_asn1_tcap_TCMessage_decode()

This allows passing a talloc context used to allocate memory when
decoding the message.

Related: SYS#5423
Related: OS#6965
Change-Id: Iebeb2808c54c5b82026a1b31d985aa73f602b42a

tcap: Fix return code in tcap_as_rx_sccp_asp()

That code path is not an error, simply the message is not TCAP.

Take the chance to clarify the behavior of the function.

Change-Id: I54c4a1bbaa8e107cf433cc898658a672c2b53c3c

tcap: Lower log level failing to parse msg

invalid rx packets should be logged as NOTICED, not as ERROR.

Change-Id: Idef5736ee2481260f958eece2f5a3bfc009b3d69

tcap: Support TID with length 1..4

As described in ITU Q.773 4.2.1.3:
"The length of a Transaction ID is 1 to 4 octets."

asn.1 files also describe TIDs the following way:
OrigTransactionID ::= [APPLICATION 8] IMPLICIT OCTET STRING (SIZE (1..4) )
DestTransactionID ::=[APPLICATION 9] IMPLICIT OCTET STRING (SIZE (1..4) )

Take the chance to avoid asserting based on received external input msg.

Related: SYS#5423
Change-Id: I2748d85624e4be708f7554ee3e60a5bda9162845

stp: Enable tracking of NULL memory context

Similar to what's done in most of the OsmoCNI programs.
This allows dumpinng the NULL context using VTY command
'show talloc-context all'.

Change-Id: I4a925967e5bb61c346cf6c4dd2c89b6aaea44b94

tcap: Fix wrong address type printed in log line

Change-Id: I28b0d488159d9fa88e69e8c8b2e53a97b461763a

tcap: Avoid updating trans_track if AS doesn't have tcap-routing enabled

Change-Id: I0106df80f6c186b184bada8f06d38d0d54cce735