Harald Welte has submitted this change and it was merged.

Change subject: bsc: Improve handling of paging_request return value
......................................................................


bsc: Improve handling of paging_request return value

Detail better in the API documentation what's the expected return value
for paging_request.

Change-Id: I17fa3b549bff297531b2777d658b0e0112a3031f
---
M openbsc/src/libbsc/paging.c
M openbsc/src/osmo-bsc/osmo_bsc_bssap.c
M openbsc/src/osmo-bsc/osmo_bsc_grace.c
3 files changed, 23 insertions(+), 6 deletions(-)

Approvals:
  Harald Welte: Looks good to me, approved
  Jenkins Builder: Verified



diff --git a/openbsc/src/libbsc/paging.c b/openbsc/src/libbsc/paging.c
index 78e39c5..22c676f 100644
--- a/openbsc/src/libbsc/paging.c
+++ b/openbsc/src/libbsc/paging.c
@@ -326,6 +326,9 @@
        return 1;
 }
 
+/*! Page a request on all BTS within Location Area
+ *  \returns Amount of BTS to which the paging request was sent, negative on 
error.
+ */
 int paging_request(struct gsm_network *network, struct bsc_subscr *bsub,
                   int type, gsm_cbfn *cbfn, void *data)
 {
diff --git a/openbsc/src/osmo-bsc/osmo_bsc_bssap.c 
b/openbsc/src/osmo-bsc/osmo_bsc_bssap.c
index 349c98f..26278d9 100644
--- a/openbsc/src/osmo-bsc/osmo_bsc_bssap.c
+++ b/openbsc/src/osmo-bsc/osmo_bsc_bssap.c
@@ -138,6 +138,7 @@
        uint8_t data_length;
        const uint8_t *data;
        uint8_t chan_needed = RSL_CHANNEED_ANY;
+       int rc;
 
        tlv_parse(&tp, gsm0808_att_tlvdef(), msg->l4h + 1, payload_length - 1, 
0, 0);
 
@@ -199,8 +200,14 @@
        subscr->tmsi = tmsi;
 
        LOGP(DMSC, LOGL_INFO, "Paging request from MSC IMSI: '%s' TMSI: 
'0x%x/%u' LAC: 0x%x\n", mi_string, tmsi, tmsi, lac);
-       bsc_grace_paging_request(msc->network->bsc_data->rf_ctrl->policy,
+       rc = bsc_grace_paging_request(msc->network->bsc_data->rf_ctrl->policy,
                                 subscr, chan_needed, msc);
+       if (rc <= 0) {
+               LOGP(DMSC, LOGL_ERROR, "Paging request failed (%d): IMSI: '%s' 
TMSI: '0x%x/%u' LAC: 0x%x\n",
+                       rc, mi_string, tmsi, tmsi, lac);
+               return -1;
+       }
+
        return 0;
 }
 
diff --git a/openbsc/src/osmo-bsc/osmo_bsc_grace.c 
b/openbsc/src/osmo-bsc/osmo_bsc_grace.c
index 63afa20..bb2634f 100644
--- a/openbsc/src/osmo-bsc/osmo_bsc_grace.c
+++ b/openbsc/src/osmo-bsc/osmo_bsc_grace.c
@@ -37,14 +37,18 @@
 static int normal_paging(struct bsc_subscr *subscr, int chan_needed,
                         struct bsc_msc_data *msc)
 {
+       int rc, num_pages = 0;
        /* we can't page by lac.. we need to page everything */
        if (msc->core_lac != -1) {
                struct gsm_bts *bts;
 
-               llist_for_each_entry(bts, &msc->network->bts_list, list)
-                       paging_request_bts(bts, subscr, chan_needed, NULL, msc);
+               llist_for_each_entry(bts, &msc->network->bts_list, list) {
+                       rc = paging_request_bts(bts, subscr, chan_needed, NULL, 
msc);
+                       if (rc > 0)
+                               num_pages += rc;
+               }
 
-               return 0;
+               return num_pages;
        }
 
        return paging_request(msc->network, subscr, chan_needed, NULL, msc);
@@ -54,6 +58,7 @@
                         struct bsc_msc_data *msc)
 {
        struct gsm_bts *bts = NULL;
+       int rc, num_pages = 0;
 
        /*
         * Check if there is any BTS that is on for the given lac. Start
@@ -73,11 +78,13 @@
                /*
                 * now page on this bts
                 */
-               paging_request_bts(bts, subscr, chan_needed, NULL, msc);
+               rc = paging_request_bts(bts, subscr, chan_needed, NULL, msc);
+               if (rc > 0)
+                       num_pages += rc;
        };
 
        /* All bts are either off or in the grace period */
-       return 0;
+       return num_pages;
 }
 
 /**

-- 
To view, visit https://gerrit.osmocom.org/7528
To unsubscribe, visit https://gerrit.osmocom.org/settings

Gerrit-MessageType: merged
Gerrit-Change-Id: I17fa3b549bff297531b2777d658b0e0112a3031f
Gerrit-PatchSet: 2
Gerrit-Project: openbsc
Gerrit-Branch: master
Gerrit-Owner: Pau Espin Pedrol <pes...@sysmocom.de>
Gerrit-Reviewer: Harald Welte <lafo...@gnumonks.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Stefan Sperling <ssperl...@sysmocom.de>

Reply via email to