From a382990d9f23096d04812cea6d66f6c3f3994e89 Mon Sep 17 00:00:00 2001
From: Konrad Hammel <konrad@sangoma.com>
Date: Fri, 21 Jan 2011 12:04:33 -0500
Subject: [PATCH] chlog: freetdm: ss7 - bug fix: a route now supports multiple
 linksets

---
 libs/freetdm/mod_freetdm/mod_freetdm.c        |  2 +-
 .../ftmod_sangoma_ss7/ftmod_sangoma_ss7_xml.c | 51 +++++++++++++++----
 2 files changed, 42 insertions(+), 11 deletions(-)

diff --git a/libs/freetdm/mod_freetdm/mod_freetdm.c b/libs/freetdm/mod_freetdm/mod_freetdm.c
index d972cd7406..92cf9e54b9 100755
--- a/libs/freetdm/mod_freetdm/mod_freetdm.c
+++ b/libs/freetdm/mod_freetdm/mod_freetdm.c
@@ -2462,7 +2462,7 @@ static ftdm_conf_node_t *get_ss7_config_node(switch_xml_t cfg, const char *confn
 	}
 
 	/* add mtp routes */
-	if (add_config_list_nodes(isup, rootnode, "mtp_routes", "mtp_route", NULL, NULL)) {
+	if (add_config_list_nodes(isup, rootnode, "mtp_routes", "mtp_route", "linksets", "linkset")) {
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "failed to process mtp_routes for sng_isup config %s\n", confname);
 		ftdm_conf_node_destroy(rootnode);
 		return NULL;
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_xml.c b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_xml.c
index 277951c5d1..93f2678d08 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_xml.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_xml.c
@@ -1269,6 +1269,10 @@ static int ftmod_ss7_parse_mtp_route(ftdm_conf_node_t *mtp_route)
 	int					 	num_parms = mtp_route->n_parameters;
 	int					 	i;
 
+	ftdm_conf_node_t		*linkset;
+	int						ls_id;
+	int						numLinks;
+
 	/* initalize the mtpRoute structure */
 	memset(&mtpRoute, 0x0, sizeof(mtpRoute));
 
@@ -1299,11 +1303,6 @@ static int ftmod_ss7_parse_mtp_route(ftdm_conf_node_t *mtp_route)
 			mtpRoute.dpc = atoi(parm->val);
 			SS7_DEBUG("Found an mtpRoute dpc = %d\n", mtpRoute.dpc);
 		/**********************************************************************/
-		} else if (!strcasecmp(parm->var, "linksetId")) {
-		/**********************************************************************/
-			mtpRoute.linkSetId = atoi(parm->val);
-			SS7_DEBUG("Found an mtpRoute linkset = %s\n", parm->val);
-		/**********************************************************************/
 		} else if (!strcasecmp(parm->var, "isSTP")) {
 		/**********************************************************************/
 			if (!strcasecmp(parm->val, "no")) {
@@ -1383,15 +1382,47 @@ static int ftmod_ss7_parse_mtp_route(ftdm_conf_node_t *mtp_route)
 		parm = parm + 1;
 	}
 
-	/* pull up the linktype, switchtype, and SSF from the linkset */
-	mtpRoute.linkType = g_ftdm_sngss7_data.cfg.mtpLinkSet[mtpRoute.linkSetId].linkType;
-	mtpRoute.switchType = g_ftdm_sngss7_data.cfg.mtpLinkSet[mtpRoute.linkSetId].switchType;
-	mtpRoute.ssf = g_ftdm_sngss7_data.cfg.mtpLinkSet[mtpRoute.linkSetId].ssf;
-
 	/* fill in the rest of the values in the mtpRoute struct  */
 	mtpRoute.nwId = mtpRoute.id;
 	mtpRoute.cmbLinkSetId = mtpRoute.id;
 
+	/* parse in the list of linksets this route is reachable by */
+	linkset = mtp_route->child->child;
+
+	while (linkset != NULL) {
+	/**************************************************************************/
+		/* extract the linkset Id */
+		ls_id = atoi(linkset->parameters->val);
+
+		if (g_ftdm_sngss7_data.cfg.mtpLinkSet[ls_id].id != 0) {
+			SS7_DEBUG("Found mtpRoute linkset id = %d that is valid\n",ls_id);
+		} else {
+			SS7_ERROR("Found mtpRoute linkset id = %d that is invalid\n",ls_id);
+			goto move_along;
+		}
+
+		/* pull up the linktype, switchtype, and SSF from the linkset */
+		mtpRoute.linkType = g_ftdm_sngss7_data.cfg.mtpLinkSet[ls_id].linkType;
+		mtpRoute.switchType = g_ftdm_sngss7_data.cfg.mtpLinkSet[ls_id].switchType;
+		mtpRoute.ssf = g_ftdm_sngss7_data.cfg.mtpLinkSet[ls_id].ssf;
+		
+		/* extract the number of cmbLinkSetId aleady on this linkset */
+		numLinks = g_ftdm_sngss7_data.cfg.mtpLinkSet[ls_id].numLinks;
+		
+		/* add this routes cmbLinkSetId to the list */
+		g_ftdm_sngss7_data.cfg.mtpLinkSet[ls_id].links[numLinks] = mtpRoute.cmbLinkSetId;
+
+		/* increment the number of cmbLinkSets on this linkset */
+		g_ftdm_sngss7_data.cfg.mtpLinkSet[ls_id].numLinks++;
+
+move_along:
+		/* move to the next linkset element */
+		linkset = linkset->next;
+
+	/**************************************************************************/
+	} /* while (linkset != null) */
+
+
 	ftmod_ss7_fill_in_mtp3_route(&mtpRoute);
 
 	ftmod_ss7_fill_in_nsap(&mtpRoute);