Max has uploaded this change for review. ( https://gerrit.osmocom.org/12578
Change subject: SMS: remove code duplication in transaction init ...................................................................... SMS: remove code duplication in transaction init Move code which allocates transaction for SMS and initializes corresponding FSM into separate function (shared by MT and MO code paths) to avoid code duplication and simplify further modifications. Change-Id: I3563e11bebb58e656592df2ff7db96f41deaf735 --- M src/libmsc/gsm_04_11.c 1 file changed, 28 insertions(+), 25 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-msc refs/changes/78/12578/1 diff --git a/src/libmsc/gsm_04_11.c b/src/libmsc/gsm_04_11.c index 8ef26a7..4dc07bd 100644 --- a/src/libmsc/gsm_04_11.c +++ b/src/libmsc/gsm_04_11.c @@ -1007,6 +1007,27 @@ return rc; } +static struct gsm_trans *gsm411_trans_init(struct gsm_network *net, struct vlr_subscr *vsub, struct ran_conn *conn, + uint8_t tid) +{ + /* Allocate a new transaction */ + struct gsm_trans *trans = trans_alloc(net, vsub, GSM48_PDISC_SMS, tid, new_callref++); + if (!trans) { + LOGP(DLSMS, LOGL_ERROR, "No memory for transaction\n"); + return NULL; + } + + /* Init both SMC and SMR state machines */ + gsm411_smc_init(&trans->sms.smc_inst, 0, 1, gsm411_mn_recv, gsm411_mm_send); + gsm411_smr_init(&trans->sms.smr_inst, 0, 1, gsm411_rl_recv, gsm411_mn_send); + + /* Associate transaction with connection */ + if (conn) + trans->conn = ran_conn_get(conn, RAN_CONN_USE_TRANS_SMS); + + return trans; +} + static struct gsm_trans *gsm411_alloc_mt_trans(struct gsm_network *net, struct vlr_subscr *vsub) { @@ -1023,24 +1044,15 @@ return NULL; } - /* Allocate a new transaction */ - trans = trans_alloc(net, vsub, GSM48_PDISC_SMS, tid, new_callref++); - if (!trans) { - LOGP(DLSMS, LOGL_ERROR, "No memory for trans\n"); - return NULL; - } - - /* Init both SMC and SMR state machines */ - gsm411_smc_init(&trans->sms.smc_inst, 0, 1, - gsm411_mn_recv, gsm411_mm_send); - gsm411_smr_init(&trans->sms.smr_inst, 0, 1, - gsm411_rl_recv, gsm411_mn_send); - /* Attempt to find an existing connection */ conn = connection_for_subscr(vsub); + + /* Allocate a new transaction */ + trans = gsm411_trans_init(net, vsub, conn, tid); + if (!trans) + return NULL; + if (conn) { - /* Associate transaction with connection */ - trans->conn = ran_conn_get(conn, RAN_CONN_USE_TRANS_SMS); /* Generate unique RP Message Reference */ trans->sms.sm_rp_mr = conn->next_rp_ref++; } @@ -1192,21 +1204,12 @@ } if (!trans) { - DEBUGP(DLSMS, " -> (new transaction)\n"); - trans = trans_alloc(conn->network, conn->vsub, - GSM48_PDISC_SMS, - transaction_id, new_callref++); + trans = gsm411_trans_init(conn->network, conn->vsub, conn, transaction_id); if (!trans) { - DEBUGP(DLSMS, " -> No memory for trans\n"); /* FIXME: send some error message */ return -ENOMEM; } - gsm411_smc_init(&trans->sms.smc_inst, 0, 1, - gsm411_mn_recv, gsm411_mm_send); - gsm411_smr_init(&trans->sms.smr_inst, 0, 1, - gsm411_rl_recv, gsm411_mn_send); - trans->conn = ran_conn_get(conn, RAN_CONN_USE_TRANS_SMS); trans->dlci = OMSC_LINKID_CB(msg); /* DLCI as received from BSC */ new_trans = 1; -- To view, visit https://gerrit.osmocom.org/12578 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-msc Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I3563e11bebb58e656592df2ff7db96f41deaf735 Gerrit-Change-Number: 12578 Gerrit-PatchSet: 1 Gerrit-Owner: Max <msur...@sysmocom.de>