Avoid costly exceptions when looking into a map.

[simgrid.git] / src / kernel / routing / VivaldiZone.cpp

diff --git a/src/kernel/routing/VivaldiZone.cpp b/src/kernel/routing/VivaldiZone.cpp
index 8ebb7fa..80c785f 100644 (file)
--- a/src/kernel/routing/VivaldiZone.cpp
+++ b/src/kernel/routing/VivaldiZone.cpp
@@ -86,25 +86,27 @@ void VivaldiZone::getLocalRoute(NetPoint* src, NetPoint* dst, sg_platf_route_cba
   }
 
   /* Retrieve the private links */
-  try {
-    std::pair<surf::LinkImpl*, surf::LinkImpl*> info = privateLinks_.at(src->id());
+  auto src_link = privateLinks_.find(src->id());
+  if (src_link != privateLinks_.end()) {
+    std::pair<surf::LinkImpl*, surf::LinkImpl*> info = src_link->second;
     if (info.first) {
       route->link_list->push_back(info.first);
       if (lat)
         *lat += info.first->latency();
     }
-  } catch (std::out_of_range& unfound) {
+  } else {
     XBT_DEBUG("Source of private link (%u) doesn't exist", src->id());
   }
 
-  try {
-    std::pair<surf::LinkImpl*, surf::LinkImpl*> info = privateLinks_.at(dst->id());
+  auto dst_link = privateLinks_.find(dst->id());
+  if (dst_link != privateLinks_.end()) {
+    std::pair<surf::LinkImpl*, surf::LinkImpl*> info = dst_link->second;
     if (info.second) {
       route->link_list->push_back(info.second);
       if (lat)
         *lat += info.second->latency();
     }
-  } catch (std::out_of_range& unfound) {
+  } else {
     XBT_DEBUG("Destination of private link (%u) doesn't exist", dst->id());
   }