+s4u::NetZone* Engine::netRoot()
+{
+ return pimpl->netRoot_;
+}
+
+static s4u::NetZone* netzoneByNameRecursive(s4u::NetZone* current, const char* name)
+{
+ if(!strcmp(current->name(), name))
+ return current;
+
+ xbt_dict_cursor_t cursor = nullptr;
+ char *key;
+ NetZone_t elem;
+ xbt_dict_foreach(current->children(), cursor, key, elem) {
+ simgrid::s4u::NetZone* tmp = netzoneByNameRecursive(elem, name);
+ if (tmp != nullptr )
+ return tmp;
+ }
+ return nullptr;
+}
+
+/** @brief Retrieve the NetZone of the given name (or nullptr if not found) */
+NetZone* Engine::netzoneByNameOrNull(const char* name)
+{
+ return netzoneByNameRecursive(netRoot(), name);
+}
+
+/** @brief Retrieve the netpoint of the given name (or nullptr if not found) */
+simgrid::kernel::routing::NetPoint* Engine::netpointByNameOrNull(const char* name)
+{
+ if (pimpl->netpoints_.find(name) == pimpl->netpoints_.end())
+ return nullptr;
+ return pimpl->netpoints_.at(name);
+}
+/** @brief Fill the provided vector with all existing netpoints */
+void Engine::netpointList(std::vector<simgrid::kernel::routing::NetPoint*>* list)
+{
+ for (auto kv : pimpl->netpoints_)
+ list->push_back(kv.second);
+}
+/** @brief Register a new netpoint to the system */
+void Engine::netpointRegister(simgrid::kernel::routing::NetPoint* point)
+{
+// simgrid::simix::kernelImmediate([&]{ FIXME: this segfaults in set_thread
+ pimpl->netpoints_[point->name()] = point;
+// });
+}
+/** @brief Unregister a given netpoint */
+void Engine::netpointUnregister(simgrid::kernel::routing::NetPoint* point)
+{
+ simgrid::simix::kernelImmediate([&] {
+ pimpl->netpoints_.erase(point->name());
+ delete point;
+ });
+}
+}