gprs_ns2_vty: dump_nsvc: change output depending on NSVCI

If the NSVCI is valid, there is no signalling or data weight defined (internally this is 1).
For NSVC with NSVCI don't print the signalling or data weight.
For NSVC without NSVCI, don't print NSVCI at all.

Related: OS#5180
Change-Id: Iaadc806a9136436468e2b02eb0bc1f4570a10ecc
diff --git a/src/gb/gprs_ns2_vty.c b/src/gb/gprs_ns2_vty.c
index 2f540c2..0aa7902 100644
--- a/src/gb/gprs_ns2_vty.c
+++ b/src/gb/gprs_ns2_vty.c
@@ -1873,18 +1873,17 @@
 /* non-config commands */
 void ns2_vty_dump_nsvc(struct vty *vty, struct gprs_ns2_vc *nsvc, bool stats)
 {
-	char nsvci_str[32];
-
 	if (nsvc->nsvci_is_valid)
-		snprintf(nsvci_str, sizeof(nsvci_str), "%05u", nsvc->nsvci);
+		vty_out(vty, "   NSVCI %05u: %s %s %s%s", nsvc->nsvci,
+			osmo_fsm_inst_state_name(nsvc->fi),
+			nsvc->persistent ? "PERSIST" : "DYNAMIC",
+			gprs_ns2_ll_str(nsvc), VTY_NEWLINE);
 	else
-		snprintf(nsvci_str, sizeof(nsvci_str), "none");
-
-	vty_out(vty, "   NSVCI %s: %s %s data_weight=%u sig_weight=%u %s%s", nsvci_str,
-		osmo_fsm_inst_state_name(nsvc->fi),
-		nsvc->persistent ? "PERSIST" : "DYNAMIC",
-		nsvc->data_weight, nsvc->sig_weight,
-		gprs_ns2_ll_str(nsvc), VTY_NEWLINE);
+		vty_out(vty, "   %s %s sig_weight=%u data_weight=%u %s%s",
+			osmo_fsm_inst_state_name(nsvc->fi),
+			nsvc->persistent ? "PERSIST" : "DYNAMIC",
+			nsvc->sig_weight, nsvc->data_weight,
+			gprs_ns2_ll_str(nsvc), VTY_NEWLINE);
 
 	if (stats) {
 		vty_out_rate_ctr_group(vty, "    ", nsvc->ctrg);
diff --git a/tests/gb/gprs_ns2_vty.vty b/tests/gb/gprs_ns2_vty.vty
index 458e2c8..45c8a16 100644
--- a/tests/gb/gprs_ns2_vty.vty
+++ b/tests/gb/gprs_ns2_vty.vty
@@ -40,11 +40,11 @@
 OsmoNSdummy# show ns
 NSEI 01234: UDP, DEAD
   1 NS-VC:
-   NSVCI none: RECOVERING PERSIST data_weight=1 sig_weight=1 udp)[127.0.0.14]:42999<>[127.0.0.15]:9496
+   RECOVERING PERSIST sig_weight=1 data_weight=1 udp)[127.0.0.14]:42999<>[127.0.0.15]:9496
 UDP bind: 127.0.0.14:42999 DSCP: 0 Priority: 0
   IP-SNS signalling weight: 1 data weight: 1
   1 NS-VC:
-   NSVCI none: RECOVERING PERSIST data_weight=1 sig_weight=1 udp)[127.0.0.14]:42999<>[127.0.0.15]:9496
+   RECOVERING PERSIST sig_weight=1 data_weight=1 udp)[127.0.0.14]:42999<>[127.0.0.15]:9496
 OsmoNSdummy# configure terminal
 OsmoNSdummy(config)# ns
 OsmoNSdummy(config-ns)# nse 1234
@@ -54,15 +54,15 @@
 OsmoNSdummy# show ns
 NSEI 01234: UDP, DEAD
   3 NS-VC:
-   NSVCI none: RECOVERING PERSIST data_weight=1 sig_weight=1 udp)[127.0.0.14]:42999<>[127.0.0.15]:9496
-   NSVCI none: RECOVERING PERSIST data_weight=9 sig_weight=0 udp)[127.0.0.14]:42999<>[127.0.0.16]:9496
-   NSVCI none: RECOVERING PERSIST data_weight=0 sig_weight=0 udp)[127.0.0.14]:42999<>[127.0.0.17]:9496
+   RECOVERING PERSIST sig_weight=1 data_weight=1 udp)[127.0.0.14]:42999<>[127.0.0.15]:9496
+   RECOVERING PERSIST sig_weight=0 data_weight=9 udp)[127.0.0.14]:42999<>[127.0.0.16]:9496
+   RECOVERING PERSIST sig_weight=0 data_weight=0 udp)[127.0.0.14]:42999<>[127.0.0.17]:9496
 UDP bind: 127.0.0.14:42999 DSCP: 0 Priority: 0
   IP-SNS signalling weight: 1 data weight: 1
   3 NS-VC:
-   NSVCI none: RECOVERING PERSIST data_weight=1 sig_weight=1 udp)[127.0.0.14]:42999<>[127.0.0.15]:9496
-   NSVCI none: RECOVERING PERSIST data_weight=9 sig_weight=0 udp)[127.0.0.14]:42999<>[127.0.0.16]:9496
-   NSVCI none: RECOVERING PERSIST data_weight=0 sig_weight=0 udp)[127.0.0.14]:42999<>[127.0.0.17]:9496
+   RECOVERING PERSIST sig_weight=1 data_weight=1 udp)[127.0.0.14]:42999<>[127.0.0.15]:9496
+   RECOVERING PERSIST sig_weight=0 data_weight=9 udp)[127.0.0.14]:42999<>[127.0.0.16]:9496
+   RECOVERING PERSIST sig_weight=0 data_weight=0 udp)[127.0.0.14]:42999<>[127.0.0.17]:9496
 OsmoNSdummy# configure terminal
 OsmoNSdummy(config)# ns
 OsmoNSdummy(config-ns)# nse 1234