X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/6bb41d92e3329c3be26c100026424ed3885d8554..17ac6c61bd407825851b824adbfa28d64fb69587:/src/kernel/routing/StarZone.cpp

diff --git a/src/kernel/routing/StarZone.cpp b/src/kernel/routing/StarZone.cpp
index 16b72625a8..d698a2f991 100644
--- a/src/kernel/routing/StarZone.cpp
+++ b/src/kernel/routing/StarZone.cpp
@@ -62,8 +62,9 @@ void StarZone::get_graph(const s_xbt_graph_t* graph, std::map<std::string, xbt_n
   xbt_node_t star_node = new_xbt_graph_node(graph, get_cname(), nodes);
 
   for (auto const& src : get_vertices()) {
+    const char* src_name = routes_[src->id()].gateway ? routes_[src->id()].gateway->get_cname() : src->get_cname();
+    xbt_node_t src_node  = new_xbt_graph_node(graph, src_name, nodes);
     /* going up */
-    xbt_node_t src_node = new_xbt_graph_node(graph, src->get_cname(), nodes);
     xbt_node_t previous = src_node;
     for (auto const* link : routes_[src->id()].links_up) {
       xbt_node_t current = new_xbt_graph_node(graph, link->get_cname(), nodes);
@@ -75,10 +76,10 @@ void StarZone::get_graph(const s_xbt_graph_t* graph, std::map<std::string, xbt_n
     previous = star_node;
     for (auto const* link : routes_[src->id()].links_down) {
       xbt_node_t current = new_xbt_graph_node(graph, link->get_cname(), nodes);
-      new_xbt_graph_edge(graph, current, previous, edges);
+      new_xbt_graph_edge(graph, previous, current, edges);
       previous = current;
     }
-    new_xbt_graph_edge(graph, src_node, previous, edges);
+    new_xbt_graph_edge(graph, previous, src_node, edges);
   }
 }
 
@@ -109,7 +110,7 @@ void StarZone::check_add_route_param(const NetPoint* src, const NetPoint* dst, c
                              src->get_cname(), gw_src->get_cname()));
 
     const auto* netzone_src = get_netzone_recursive(src);
-    if (not netzone_src->is_component_recursive(gw_src))
+    if (not netzone_src || not netzone_src->is_component_recursive(gw_src))
       throw std::invalid_argument(xbt::string_printf(
           "Invalid NetzoneRoute from %s@%s to %s: gw_src %s belongs to %s, not to %s.", src_name, gw_src->get_cname(),
           dst_name, gw_src->get_cname(), gw_src->get_englobing_zone()->get_cname(), src_name));
@@ -125,7 +126,7 @@ void StarZone::check_add_route_param(const NetPoint* src, const NetPoint* dst, c
                              dst->get_cname(), gw_dst->get_cname()));
 
     const auto* netzone_dst = get_netzone_recursive(dst);
-    if (not netzone_dst->is_component_recursive(gw_dst))
+    if (not netzone_dst || not netzone_dst->is_component_recursive(gw_dst))
       throw std::invalid_argument(xbt::string_printf(
           "Invalid NetzoneRoute from %s@%s to %s: gw_dst %s belongs to %s, not to %s.", dst_name, gw_dst->get_cname(),
           src_name, gw_dst->get_cname(), gw_dst->get_englobing_zone()->get_cname(), dst_name));