diff options
| author | Keith Whyte <keith@rhizomatica.org> | 2022-10-15 01:08:53 +0100 |
|---|---|---|
| committer | Keith Whyte <keith@rhizomatica.org> | 2023-11-23 22:05:41 +0000 |
| commit | 19c3532f21e0dc05215601edb7d852824c56992c (patch) | |
| tree | b2b9e4c022f7d84d2e3baa414216347ab1697183 | |
| parent | 12c63f584e7919803f492e4d72c8f858e1305c9f (diff) | |
LCLS: Add function trans_find_by_same_gcr()
Change-Id: I6a4df44099a23530839180047f2436b3d74887b5
| -rw-r--r-- | include/osmocom/msc/transaction.h | 2 | ||||
| -rw-r--r-- | src/libmsc/transaction.c | 23 |
2 files changed, 25 insertions, 0 deletions
diff --git a/include/osmocom/msc/transaction.h b/include/osmocom/msc/transaction.h index aa529e494..9ac7d7c41 100644 --- a/include/osmocom/msc/transaction.h +++ b/include/osmocom/msc/transaction.h @@ -185,6 +185,8 @@ struct gsm_trans *trans_find_by_callref(const struct gsm_network *net, enum tran struct gsm_trans *trans_find_by_sm_rp_mr(const struct gsm_network *net, const struct vlr_subscr *vsub, uint8_t sm_rp_mr); +struct gsm_trans *trans_find_by_same_gcr(const struct gsm_network *net, + const struct gsm_trans *trans); struct osmo_lcls *trans_lcls_compose(const struct gsm_trans *trans, bool use_lac); diff --git a/src/libmsc/transaction.c b/src/libmsc/transaction.c index 5ccb847fc..5fee4b4c8 100644 --- a/src/libmsc/transaction.c +++ b/src/libmsc/transaction.c @@ -112,6 +112,29 @@ struct gsm_trans *trans_find_by_sm_rp_mr(const struct gsm_network *net, return NULL; } +/*! Find a transaction by global call reference + * \param[in] net Network in which we should search + * \param[in] trans Transaction containing GCR to search for + * \returns Matching transaction, if any + */ +struct gsm_trans *trans_find_by_same_gcr(const struct gsm_network *net, + const struct gsm_trans *trans) +{ + struct gsm_trans *trans_other; + + llist_for_each_entry(trans_other, &net->trans_list, entry) { + /* don't report back the same transaction */ + if (trans_other == trans) + continue; + /* don't consider any trans where GCR is not available */ + if (trans_other->cc.lcls == NULL || trans_other->cc.lcls->gcr_available == false) + continue; + if (!memcmp(&trans_other->cc.lcls->gcr, &trans->cc.lcls->gcr, sizeof(trans->cc.lcls->gcr))) + return trans_other; + } + return NULL; +} + struct osmo_lcls *trans_lcls_compose(const struct gsm_trans *trans, bool use_lac) { if (!trans) { |