+void NetZoneImpl::set_gateway(const std::string& name, NetPoint* router)
+{
+ xbt_enforce(not sealed_, "Impossible to create gateway: %s. NetZone %s already sealed", name.c_str(), get_cname());
+ if (auto gateway_it = gateways_.find(name); gateway_it != gateways_.end())
+ xbt_die("Impossible to create a gateway named %s. It already exists", name.c_str());
+ else
+ gateways_[name] = router;
+}
+
+NetPoint* NetZoneImpl::get_gateway() const
+{
+ xbt_enforce(not gateways_.empty(), "No default gateway has been defined for NetZone '%s'. Try to seal it first", get_cname());
+ xbt_enforce(gateways_.size() < 2, "NetZone '%s' has more than one gateway, please provide a gateway name", get_cname());
+ auto gateway_it = gateways_.find("default");
+ xbt_enforce(gateway_it != gateways_.end(), "NetZone '%s' hasno default gateway, please define one", get_cname());
+ return gateway_it->second;
+}
+