rua_to_scu(): add debug log for calling/called addr

This might help in resolving whether we are conforming to SCCP specs regarding
our calling/called address choices.

Change-Id: Ie91953f7e9033419257d556d3a9f14e125f5c60d
diff --git a/src/hnbgw_rua.c b/src/hnbgw_rua.c
index 54c455b..b610437 100644
--- a/src/hnbgw_rua.c
+++ b/src/hnbgw_rua.c
@@ -226,6 +226,11 @@
 		prim->u.connect.calling_addr = cn->gw->sccp.local_addr;
 		prim->u.connect.sccp_class = 2;
 		prim->u.connect.conn_id = map->scu_conn_id;
+		/* Two separate logs because of osmo_sccp_addr_dump(). */
+		DEBUGP(DRUA, "RUA to SCCP N_CONNECT: called_addr:%s\n",
+		       osmo_sccp_addr_dump(&prim->u.connect.called_addr));
+		DEBUGP(DRUA, "RUA to SCCP N_CONNECT: calling_addr:%s\n",
+		       osmo_sccp_addr_dump(&prim->u.connect.calling_addr));
 		break;
 	case OSMO_SCU_PRIM_N_DATA:
 		prim->u.data.conn_id = map->scu_conn_id;
@@ -237,6 +242,11 @@
 	case OSMO_SCU_PRIM_N_UNITDATA:
 		prim->u.unitdata.called_addr = *remote_addr;
 		prim->u.unitdata.calling_addr = cn->gw->sccp.local_addr;
+		/* Two separate logs because of osmo_sccp_addr_dump(). */
+		DEBUGP(DRUA, "RUA to SCCP N_UNITDATA: called_addr:%s\n",
+		       osmo_sccp_addr_dump(&prim->u.unitdata.called_addr));
+		DEBUGP(DRUA, "RUA to SCCP N_UNITDATA: calling_addr:%s\n",
+		       osmo_sccp_addr_dump(&prim->u.unitdata.calling_addr));
 		break;
 	default:
 		return -EINVAL;