Project "FreeSWITCH Source" received a push.

committer: Konrad Hammel
comments: 
freetdm: ss7 - only unload layers when they are loaded freetdm: ss7 - configuration updated to allow a route to use multiple linksets...new configuration file

diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_cfg.c b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_cfg.c
index 15fc1ef..01d1013 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_cfg.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_cfg.c
@@ -74,6 +74,7 @@ int ftmod_ss7_relay_chan_config(int id);
 int  ft_to_sngss7_cfg_all(void)
 {
 	int x = 0;
+	int ret = 0;
 
 	/* check if we have done gen_config already */
 	if (!(g_ftdm_sngss7_data.gen_config)) {
@@ -289,15 +290,17 @@ int  ft_to_sngss7_cfg_all(void)
 		/* check if this link has been configured already */
 		if (!(g_ftdm_sngss7_data.cfg.nsap[x].flags & SNGSS7_CONFIGURED)) {
 
-			if (ftmod_ss7_mtp3_nsap_config(x)) {
-				SS7_CRITICAL("MTP3 NSAP %d configuration FAILED!\n", x);
+			ret = ftmod_ss7_mtp3_nsap_config(x);
+			if (ret) {
+				SS7_CRITICAL("MTP3 NSAP %d configuration FAILED!(%s)\n", x, DECODE_LCM_REASON(ret));
 				return 1;
 			} else {
 				SS7_INFO("MTP3 NSAP %d configuration DONE!\n", x);
 			}
 
-			if (ftmod_ss7_isup_nsap_config(x)) {
-				SS7_CRITICAL("ISUP NSAP %d configuration FAILED!\n", x);
+			ret = ftmod_ss7_isup_nsap_config(x);
+			if (ret) {
+				SS7_CRITICAL("ISUP NSAP %d configuration FAILED!(%s)\n", x, DECODE_LCM_REASON(ret));
 				return 1;
 			} else {
 				SS7_INFO("ISUP NSAP %d configuration DONE!\n", x);
@@ -580,7 +583,7 @@ int ftmod_ss7_mtp3_gen_config(void)
 
 	cfg.t.cfg.s.snGen.ssfValid		= TRUE;				/* ssf validation required */
 	cfg.t.cfg.s.snGen.nmbDLSap		= MAX_SN_LINKS;		/* number of MTP Data Link SAPs */
-	cfg.t.cfg.s.snGen.nmbNSap		= MAX_SN_VARIANTS;	/* number of Upper Layer Saps */
+	cfg.t.cfg.s.snGen.nmbNSap		= MAX_SN_ROUTES;	/* number of Upper Layer Saps */
 	cfg.t.cfg.s.snGen.nmbRouts		= MAX_SN_ROUTES;	/* maximum number of routing entries */
 	cfg.t.cfg.s.snGen.nmbLnkSets	= MAX_SN_LINKSETS;	/* number of link sets */
 	cfg.t.cfg.s.snGen.nmbRteInst	= MAX_SN_ROUTES*16;	/* number of simultaneous Rte instances */
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_cli.c b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_cli.c
index 4ab4359..0298429 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_cli.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_cli.c
@@ -1131,45 +1131,56 @@ static ftdm_status_t handle_show_status(ftdm_stream_handle_t *stream, int span,
 					ss7_info = (sngss7_chan_data_t *)g_ftdm_sngss7_data.cfg.isupCkt[x].obj;
 					ftdmchan = ss7_info->ftdmchan;
 
-					/* grab the signaling_status */
-					ftdm_channel_get_sig_status(ftdmchan, &sigstatus);
-	
-					stream->write_function(stream, "span=%2d|chan=%2d|cic=%4d|sig_status=%4s|state=%s|",
-													ckt->span,
-													ckt->chan,
-													ckt->cic,
-													ftdm_signaling_status2str(sigstatus),
-													ftdm_channel_state2str(ftdmchan->state));
-	
-					if((sngss7_test_ckt_flag(ss7_info, FLAG_CKT_MN_BLOCK_TX)) || (sngss7_test_ckt_flag(ss7_info, FLAG_GRP_MN_BLOCK_TX))) {
-						stream->write_function(stream, "l_mn=Y|");
-					}else {
-						stream->write_function(stream, "l_mn=N|");
-					}
-	
-					if((sngss7_test_ckt_flag(ss7_info, FLAG_CKT_MN_BLOCK_RX)) || (sngss7_test_ckt_flag(ss7_info, FLAG_GRP_MN_BLOCK_RX))) {
-						stream->write_function(stream, "r_mn=Y|");
-					}else {
-						stream->write_function(stream, "r_mn=N|");
-					}
-	
-					if(sngss7_test_ckt_flag(ss7_info, FLAG_GRP_HW_BLOCK_TX)) {
-						stream->write_function(stream, "l_hw=Y|");
-					}else {
-						stream->write_function(stream, "l_hw=N|");
-					}
+					if (ftdmchan == NULL) {
+						/* this should never happen!!! */
+						stream->write_function(stream, "span=%2d|chan=%2d|cic=%4d|FTDMCHAN DOES NOT EXISTS",
+														ckt->span,
+														ckt->chan,
+														ckt->cic);
+						
+					} else {
+						/* grab the signaling_status */
+						ftdm_channel_get_sig_status(ftdmchan, &sigstatus);
+		
+						stream->write_function(stream, "span=%2d|chan=%2d|cic=%4d|sig_status=%4s|state=%s|",
+														ckt->span,
+														ckt->chan,
+														ckt->cic,
+														ftdm_signaling_status2str(sigstatus),
+														ftdm_channel_state2str(ftdmchan->state));
+		
+						if ((sngss7_test_ckt_flag(ss7_info, FLAG_CKT_MN_BLOCK_TX)) || 
+							(sngss7_test_ckt_flag(ss7_info, FLAG_GRP_MN_BLOCK_TX))) {
+							stream->write_function(stream, "l_mn=Y|");
+						}else {
+							stream->write_function(stream, "l_mn=N|");
+						}
+		
+						if ((sngss7_test_ckt_flag(ss7_info, FLAG_CKT_MN_BLOCK_RX)) || 
+							(sngss7_test_ckt_flag(ss7_info, FLAG_GRP_MN_BLOCK_RX))) {
+							stream->write_function(stream, "r_mn=Y|");
+						}else {
+							stream->write_function(stream, "r_mn=N|");
+						}
+		
+						if (sngss7_test_ckt_flag(ss7_info, FLAG_GRP_HW_BLOCK_TX)) {
+							stream->write_function(stream, "l_hw=Y|");
+						}else {
+							stream->write_function(stream, "l_hw=N|");
+						}
+		
+						if (sngss7_test_ckt_flag(ss7_info, FLAG_GRP_HW_BLOCK_RX)) {
+							stream->write_function(stream, "r_hw=Y|");
+						}else {
+							stream->write_function(stream, "r_hw=N|");
+						}
 	
-					if(sngss7_test_ckt_flag(ss7_info, FLAG_GRP_HW_BLOCK_RX)) {
-						stream->write_function(stream, "r_hw=Y|");
-					}else {
-						stream->write_function(stream, "r_hw=N|");
+						if (sngss7_test_ckt_flag(ss7_info, FLAG_RELAY_DOWN)) {
+							stream->write_function(stream, "relay=Y|");
+						}else {
+							stream->write_function(stream, "relay=N|");
+						}
 					}
-
-					if(sngss7_test_ckt_flag(ss7_info, FLAG_RELAY_DOWN)) {
-						stream->write_function(stream, "relay=Y|");
-					}else {
-						stream->write_function(stream, "relay=N|");
-					}		
 	
 					stream->write_function(stream, "flags=0x%X",ss7_info->ckt_flags);
 	
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c
index adee000..ad52827 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c
@@ -1570,26 +1570,33 @@ static FIO_SIG_UNLOAD_FUNCTION(ftdm_sangoma_ss7_unload)
 
 	if (sngss7_test_flag(&g_ftdm_sngss7_data.cfg, SNGSS7_CC)) {
 		sng_isup_free_cc();
+		sngss7_clear_flag(&g_ftdm_sngss7_data.cfg, SNGSS7_CC);
 	}
 
 	if (sngss7_test_flag(&g_ftdm_sngss7_data.cfg, SNGSS7_ISUP)) {
 		ftmod_ss7_shutdown_isup();
 		sng_isup_free_isup();
+		sngss7_clear_flag(&g_ftdm_sngss7_data.cfg, SNGSS7_ISUP);
 	}
 
 	if (sngss7_test_flag(&g_ftdm_sngss7_data.cfg, SNGSS7_MTP3)) {
 		ftmod_ss7_shutdown_mtp3();
 		sng_isup_free_mtp3();
+		sngss7_clear_flag(&g_ftdm_sngss7_data.cfg, SNGSS7_MTP3);
 	}
 
 	if (sngss7_test_flag(&g_ftdm_sngss7_data.cfg, SNGSS7_MTP2)) {
 		ftmod_ss7_shutdown_mtp2();
 		sng_isup_free_mtp2();
 		sng_isup_free_mtp1();
+		sngss7_clear_flag(&g_ftdm_sngss7_data.cfg, SNGSS7_MTP2);
 	}
 
-	ftmod_ss7_shutdown_relay();
-	sng_isup_free_relay();
+	if (sngss7_test_flag(&g_ftdm_sngss7_data.cfg, SNGSS7_RY)) {
+		ftmod_ss7_shutdown_relay();
+		sng_isup_free_relay();
+		sngss7_clear_flag(&g_ftdm_sngss7_data.cfg, SNGSS7_RY);
+	}
 
 	sng_isup_free_sm();
 
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.h b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.h
index 5272aa8..fe291fb 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.h
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.h
@@ -219,13 +219,18 @@ typedef struct sng_link_set {
 	uint32_t		links[16];
 } sng_link_set_t;
 
+typedef struct sng_link_set_list {
+	uint32_t					lsId;
+	struct sng_link_set_list	*next;
+} sng_link_set_list_t;
+
 typedef struct sng_route {
 	char			name[MAX_NAME_LEN];
 	uint32_t		flags;
 	uint32_t		id;
 	uint32_t		dpc;
 	uint32_t		cmbLinkSetId;
-	uint32_t		linkSetId;
+	struct sng_link_set_list	lnkSets;
 	uint32_t		linkType;
 	uint32_t		switchType;
 	uint32_t		ssf;
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 d2fa973..dc6428d 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
@@ -1268,9 +1268,9 @@ static int ftmod_ss7_parse_mtp_route(ftdm_conf_node_t *mtp_route)
 	ftdm_conf_parameter_t	*parm = mtp_route->parameters;
 	int					 	num_parms = mtp_route->n_parameters;
 	int					 	i;
+	sng_link_set_list_t		*lnkSet;
 
 	ftdm_conf_node_t		*linkset;
-	int						ls_id;
 	int						numLinks;
 
 	/* initalize the mtpRoute structure */
@@ -1383,42 +1383,50 @@ static int ftmod_ss7_parse_mtp_route(ftdm_conf_node_t *mtp_route)
 	}
 
 	/* fill in the rest of the values in the mtpRoute struct  */
-	mtpRoute.nwId = mtpRoute.id;
+	mtpRoute.nwId = 0;
 	mtpRoute.cmbLinkSetId = mtpRoute.id;
 
 	/* parse in the list of linksets this route is reachable by */
 	linkset = mtp_route->child->child;
 
+	/* initalize the link-list of linkSet Ids */
+	lnkSet = &mtpRoute.lnkSets;
+
 	while (linkset != NULL) {
 	/**************************************************************************/
 		/* extract the linkset Id */
-		ls_id = atoi(linkset->parameters->val);
+		lnkSet->lsId = 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);
+		if (g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].id != 0) {
+			SS7_DEBUG("Found mtpRoute linkset id = %d that is valid\n",lnkSet->lsId);
 		} else {
-			SS7_ERROR("Found mtpRoute linkset id = %d that is invalid\n",ls_id);
+			SS7_ERROR("Found mtpRoute linkset id = %d that is invalid\n",lnkSet->lsId);
 			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;
+		mtpRoute.linkType = g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].linkType;
+		mtpRoute.switchType = g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].switchType;
+		mtpRoute.ssf = g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].ssf;
 		
 		/* extract the number of cmbLinkSetId aleady on this linkset */
-		numLinks = g_ftdm_sngss7_data.cfg.mtpLinkSet[ls_id].numLinks;
+		numLinks = g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].numLinks;
 		
 		/* add this routes cmbLinkSetId to the list */
-		g_ftdm_sngss7_data.cfg.mtpLinkSet[ls_id].links[numLinks] = mtpRoute.cmbLinkSetId;
+		g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].links[numLinks] = mtpRoute.cmbLinkSetId;
 
 		/* increment the number of cmbLinkSets on this linkset */
-		g_ftdm_sngss7_data.cfg.mtpLinkSet[ls_id].numLinks++;
+		g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].numLinks++;
+
+		/* update the linked list */
+		lnkSet->next = ftdm_malloc(sizeof(sng_link_set_list_t));
+		lnkSet = lnkSet->next;
+		lnkSet->lsId = 0;
+		lnkSet->next = NULL;
 
 move_along:
 		/* move to the next linkset element */
 		linkset = linkset->next;
-
 	/**************************************************************************/
 	} /* while (linkset != null) */
 
@@ -1465,6 +1473,7 @@ static int ftmod_ss7_parse_isup_interface(ftdm_conf_node_t *isup_interface)
 {
 	sng_isup_inf_t			sng_isup;
 	sng_isap_t				sng_isap;
+	sng_link_set_list_t		*lnkSet;
 	ftdm_conf_parameter_t	*parm = isup_interface->parameters;
 	int						num_parms = isup_interface->n_parameters;
 	int						i;
@@ -1500,7 +1509,6 @@ static int ftmod_ss7_parse_isup_interface(ftdm_conf_node_t *isup_interface)
 		} else if (!strcasecmp(parm->var, "spc")) {
 		/**********************************************************************/
 			sng_isup.spc = atoi(parm->val);
-			g_ftdm_sngss7_data.cfg.spc = sng_isup.spc;
 			SS7_DEBUG("Found an isup SPC = %d\n", sng_isup.spc);
 		/**********************************************************************/
 		} else if (!strcasecmp(parm->var, "mtprouteId")) {
@@ -1747,17 +1755,14 @@ static int ftmod_ss7_parse_isup_interface(ftdm_conf_node_t *isup_interface)
 	sngss7_set_flag(&sng_isup, SNGSS7_PAUSED);
 
 	/* trickle down the SPC to all sub entities */
-	int	linkSetId;
+	lnkSet = &g_ftdm_sngss7_data.cfg.mtpRoute[sng_isup.mtpRouteId].lnkSets;
 
-	linkSetId = g_ftdm_sngss7_data.cfg.mtpRoute[sng_isup.mtpRouteId].linkSetId;
+	g_ftdm_sngss7_data.cfg.mtp3Link[lnkSet->lsId].spc = sng_isup.spc;
+	lnkSet = lnkSet->next;
 
-	i = 1;
-	while (g_ftdm_sngss7_data.cfg.mtp3Link[i].id != 0) {
-		if (g_ftdm_sngss7_data.cfg.mtp3Link[i].linkSetId == linkSetId) {
-			g_ftdm_sngss7_data.cfg.mtp3Link[i].spc = g_ftdm_sngss7_data.cfg.spc;
-		}
-
-		i++;
+	while (lnkSet->next != NULL) {
+		g_ftdm_sngss7_data.cfg.mtp3Link[lnkSet->lsId].spc = sng_isup.spc;
+		lnkSet = lnkSet->next;
 	}
 
 	/* pull values from the lower levels */
@@ -2342,7 +2347,10 @@ static int ftmod_ss7_fill_in_mtpLinkSet(sng_link_set_t *mtpLinkSet)
 /******************************************************************************/
 static int ftmod_ss7_fill_in_mtp3_route(sng_route_t *mtp3_route)
 {
-	int i = mtp3_route->id;
+	sng_link_set_list_t	*lnkSet = NULL;
+	int 				i = mtp3_route->id;
+	int					tmp = 0;
+
 
 	/* check if this id value has been used already */
 	if (g_ftdm_sngss7_data.cfg.mtpRoute[i].id == 0) {
@@ -2355,10 +2363,19 @@ static int ftmod_ss7_fill_in_mtp3_route(sng_route_t *mtp3_route)
 	}
 
 	/* fill in the cmbLinkSet in the linkset structure */
-	int tmp = g_ftdm_sngss7_data.cfg.mtpLinkSet[mtp3_route->linkSetId].numLinks;
+	lnkSet = &mtp3_route->lnkSets;
+
+	tmp = g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].numLinks;
+	g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].links[tmp] = mtp3_route->cmbLinkSetId;
+	g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].numLinks++;
+
+	while (lnkSet->next != NULL) {
+		tmp = g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].numLinks;
+		g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].links[tmp] = mtp3_route->cmbLinkSetId;
+		g_ftdm_sngss7_data.cfg.mtpLinkSet[lnkSet->lsId].numLinks++;
 
-	g_ftdm_sngss7_data.cfg.mtpLinkSet[mtp3_route->linkSetId].links[tmp] = mtp3_route->cmbLinkSetId;
-	g_ftdm_sngss7_data.cfg.mtpLinkSet[mtp3_route->linkSetId].numLinks++;
+		lnkSet = lnkSet->next;
+	}
 
 	strcpy((char *)g_ftdm_sngss7_data.cfg.mtpRoute[i].name, (char *)mtp3_route->name);
 
@@ -2369,7 +2386,7 @@ static int ftmod_ss7_fill_in_mtp3_route(sng_route_t *mtp3_route)
 	g_ftdm_sngss7_data.cfg.mtpRoute[i].cmbLinkSetId	= mtp3_route->cmbLinkSetId;
 	g_ftdm_sngss7_data.cfg.mtpRoute[i].isSTP		= mtp3_route->isSTP;
 	g_ftdm_sngss7_data.cfg.mtpRoute[i].nwId			= mtp3_route->nwId;
-	g_ftdm_sngss7_data.cfg.mtpRoute[i].linkSetId	= mtp3_route->linkSetId;
+	g_ftdm_sngss7_data.cfg.mtpRoute[i].lnkSets		= mtp3_route->lnkSets;
 	g_ftdm_sngss7_data.cfg.mtpRoute[i].ssf			= mtp3_route->ssf;
 	if (mtp3_route->t6 != 0) {
 		g_ftdm_sngss7_data.cfg.mtpRoute[i].t6		= mtp3_route->t6;
@@ -2439,8 +2456,7 @@ static int ftmod_ss7_fill_in_nsap(sng_route_t *mtp3_route)
 	i = 1;
 	while (g_ftdm_sngss7_data.cfg.nsap[i].id != 0) {
 		if ((g_ftdm_sngss7_data.cfg.nsap[i].linkType == mtp3_route->linkType) &&
-			(g_ftdm_sngss7_data.cfg.nsap[i].switchType == mtp3_route->switchType) &&
-			(g_ftdm_sngss7_data.cfg.nsap[i].ssf == mtp3_route->ssf)) {
+			(g_ftdm_sngss7_data.cfg.nsap[i].switchType == mtp3_route->switchType)) {
 
 			/* we have a match so break out of this loop */
 			break;
@@ -2789,6 +2805,7 @@ static int ftmod_ss7_fill_in_ccSpan(sng_ccSpan_t *ccSpan)
 	sngss7_chan_data_t	*ss7_info = NULL;
 	int					x;
 	int					count = 1;
+	int					flag;
 
 	while (ccSpan->ch_map[0] != '\0') {
 	/**************************************************************************/
@@ -2799,13 +2816,45 @@ static int ftmod_ss7_fill_in_ccSpan(sng_ccSpan_t *ccSpan)
 			return FTDM_FAIL;
 		}
 
-		/* find the spot in master array for this circuit */
-		x = (ccSpan->procId * 1000) + count;
+		/* find a spot for this circuit in the global structure */
+		x = (ccSpan->procId * 1000);
+		flag = 0;
+		while (flag == 0) {
+		/**********************************************************************/
+			/* check the id value ( 0 = new, 0 > circuit can be existing) */
+			if (g_ftdm_sngss7_data.cfg.isupCkt[x].id == 0) {
+				/* we're at the end of the list of circuitsl aka this is new */
+				SS7_DEBUG("Found a new circuit %d, ccSpanId=%d, chan=%d\n",
+							x, 
+							ccSpan->id, 
+							count);
 
-		/* check if this circuit has already been filled in */
-		if (g_ftdm_sngss7_data.cfg.isupCkt[x].id != 0) {
-			SS7_DEVEL_DEBUG("Filling in circuit that already exists...%d\n", x);
-		}
+				/* throw the flag to end the loop */
+				flag = 1;
+			} else {
+				/* check the ccspan.id and chan to see if the circuit already exists */
+				if ((g_ftdm_sngss7_data.cfg.isupCkt[x].ccSpanId == ccSpan->id) &&
+					(g_ftdm_sngss7_data.cfg.isupCkt[x].chan == count)) {
+
+					/* we are processing a circuit that already exists */
+					SS7_DEBUG("Found an existing circuit %d, ccSpanId=%d, chan%d\n",
+								x, 
+								ccSpan->id, 
+								count);
+	
+					/* throw the flag to end the loop */
+					flag = 1;
+
+					/* not supporting reconfig at this time */
+					SS7_DEBUG("Not supporting ckt reconfig at this time!\n");
+					goto move_along;
+				} else {
+					/* this is not the droid you are looking for */
+					x++;
+				}
+			}
+		/**********************************************************************/
+		} /* while (flag == 0) */
 
 		/* prepare the global info sturcture */
 		ss7_info = ftdm_calloc(1, sizeof(sngss7_chan_data_t));
@@ -2901,6 +2950,7 @@ static int ftmod_ss7_fill_in_ccSpan(sng_ccSpan_t *ccSpan)
 					g_ftdm_sngss7_data.cfg.isupCkt[x].cic,
 					g_ftdm_sngss7_data.cfg.isupCkt[x].id);
 
+move_along:
 		/* increment the span channel count */
 		count++;