1 /* Copyright (c) 2009-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/kernel/routing/WifiZone.hpp"
7 #include "simgrid/kernel/routing/NetPoint.hpp"
8 #include "src/surf/network_interface.hpp"
9 #include "surf/surf.hpp"
11 #include <unordered_set>
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_wifi, surf, "Routing part of surf");
19 void WifiZone::do_seal()
21 const char* AP_name = get_property("access_point");
22 if (AP_name != nullptr) {
23 access_point_ = sg_netpoint_by_name_or_null(AP_name);
24 xbt_assert(access_point_ != nullptr, "Access point '%s' of WIFI zone '%s' does not exist: no such host or router.",
25 AP_name, get_cname());
26 xbt_assert(access_point_->is_host() || access_point_->is_router(),
27 "Access point '%s' of WIFI zone '%s' must be either a host or a router.", AP_name, get_cname());
31 void WifiZone::get_local_route(const NetPoint* src, const NetPoint* dst, Route* res, double* lat)
33 XBT_DEBUG("full getLocalRoute from %s[%lu] to %s[%lu]", src->get_cname(), src->id(), dst->get_cname(), dst->id());
35 if (wifi_link_ != nullptr) {
36 // If src and dst are nodes, not access_point, we need to traverse the link twice
37 // Otherwise (if src or dst is access_point), we need to traverse the link only once
39 if (src != access_point_) {
40 XBT_DEBUG("src %s is not our gateway", src->get_cname());
41 add_link_latency(res->link_list_, wifi_link_, lat);
43 if (dst != access_point_) {
44 XBT_DEBUG("dst %s is not our gateway", dst->get_cname());
45 add_link_latency(res->link_list_, wifi_link_, lat);
50 s4u::Link* WifiZone::create_link(const std::string& name, const std::vector<double>& bandwidths)
52 xbt_assert(wifi_link_ == nullptr,
53 "WIFI netzone %s contains more than one link. Please only declare one, the wifi link.", get_cname());
55 wifi_link_ = get_network_model()->create_wifi_link(name, bandwidths);
56 wifi_link_->set_sharing_policy(s4u::Link::SharingPolicy::WIFI, {});
57 return wifi_link_->get_iface();
59 } // namespace routing
63 NetZone* create_wifi_zone(const std::string& name)
65 return (new kernel::routing::WifiZone(name))->get_iface();
69 } // namespace simgrid