1 /* Copyright (c) 2006-2023. 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/Exception.hpp"
7 #include "simgrid/s4u/Host.hpp"
8 #include <simgrid/kernel/routing/NetZoneImpl.hpp>
9 #include <simgrid/s4u/Engine.hpp>
10 #include <simgrid/s4u/NetZone.hpp>
11 #include <simgrid/simix.hpp>
12 #include <simgrid/zone.h>
13 #include <xbt/parse_units.hpp>
15 #include "src/kernel/resource/NetworkModel.hpp"
17 namespace simgrid::s4u {
19 xbt::signal<void(NetZone const&)> NetZone::on_creation;
20 xbt::signal<void(NetZone const&)> NetZone::on_seal;
22 const std::unordered_map<std::string, std::string>* NetZone::get_properties() const
24 return pimpl_->get_properties();
27 /** Retrieve the property value (or nullptr if not set) */
28 const char* NetZone::get_property(const std::string& key) const
30 return pimpl_->get_property(key);
33 void NetZone::set_property(const std::string& key, const std::string& value)
35 kernel::actor::simcall_answered([this, &key, &value] { pimpl_->set_property(key, value); });
38 /** @brief Returns the list of direct children (no grand-children) */
39 std::vector<NetZone*> NetZone::get_children() const
41 std::vector<NetZone*> res;
42 for (auto* child : pimpl_->get_children())
43 res.push_back(child->get_iface());
47 const std::string& NetZone::get_name() const
49 return pimpl_->get_name();
52 const char* NetZone::get_cname() const
54 return pimpl_->get_cname();
57 NetZone* NetZone::get_parent() const
59 return pimpl_->get_parent()->get_iface();
62 NetZone* NetZone::set_parent(const NetZone* parent)
64 kernel::actor::simcall_answered([this, parent] { pimpl_->set_parent(parent->get_impl()); });
68 /** @brief Returns the list of the hosts found in this NetZone (not recursively)
70 * Only the hosts that are directly contained in this NetZone are retrieved,
71 * not the ones contained in sub-netzones.
73 std::vector<Host*> NetZone::get_all_hosts() const
75 return pimpl_->get_all_hosts();
78 size_t NetZone::get_host_count() const
80 return pimpl_->get_host_count();
83 unsigned long NetZone::add_component(kernel::routing::NetPoint* elm)
85 return pimpl_->add_component(elm);
88 void NetZone::add_route(NetZone* src, NetZone* dst, const std::vector<const Link*>& links)
90 std::vector<LinkInRoute> links_direct;
91 std::vector<LinkInRoute> links_reverse;
92 for (auto* l : links) {
93 links_direct.emplace_back(LinkInRoute(l, LinkInRoute::Direction::UP));
94 links_reverse.emplace_back(LinkInRoute(l, LinkInRoute::Direction::DOWN));
96 pimpl_->add_route(src->get_netpoint(), dst->get_netpoint(), src->get_gateway(), dst->get_gateway(), links_direct,
98 pimpl_->add_route(dst->get_netpoint(), src->get_netpoint(), dst->get_gateway(), src->get_gateway(), links_reverse,
102 void NetZone::add_route(NetZone* src, NetZone* dst, const std::vector<LinkInRoute>& link_list, bool symmetrical)
104 pimpl_->add_route(src->get_netpoint(), dst->get_netpoint(), src->get_gateway(), dst->get_gateway(), link_list,
108 void NetZone::add_route(kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst,
109 kernel::routing::NetPoint* gw_src, kernel::routing::NetPoint* gw_dst,
110 const std::vector<LinkInRoute>& link_list, bool symmetrical)
112 pimpl_->add_route(src, dst, gw_src, gw_dst, link_list, symmetrical);
115 void NetZone::add_route(kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst,
116 kernel::routing::NetPoint* gw_src, kernel::routing::NetPoint* gw_dst,
117 const std::vector<const Link*>& links)
119 std::vector<LinkInRoute> links_direct;
120 std::vector<LinkInRoute> links_reverse;
121 for (auto* l : links) {
122 links_direct.emplace_back(LinkInRoute(l, LinkInRoute::Direction::UP));
123 links_reverse.emplace_back(LinkInRoute(l, LinkInRoute::Direction::DOWN));
125 pimpl_->add_route(src, dst, gw_src, gw_dst, links_direct, false);
126 pimpl_->add_route(dst, src, gw_dst, gw_src, links_reverse, false);
129 void NetZone::add_route(const Host* src, const Host* dst, const std::vector<LinkInRoute>& link_list, bool symmetrical)
131 pimpl_->add_route(src ? src->get_netpoint(): nullptr, dst ? dst->get_netpoint(): nullptr, nullptr, nullptr,
132 link_list, symmetrical);
136 void NetZone::add_route(const Host* src, const Host* dst, const std::vector<const Link*>& links)
138 std::vector<LinkInRoute> links_direct;
139 std::vector<LinkInRoute> links_reverse;
140 for (auto* l : links) {
141 links_direct.emplace_back(LinkInRoute(l, LinkInRoute::Direction::UP));
142 links_reverse.emplace_back(LinkInRoute(l, LinkInRoute::Direction::DOWN));
144 pimpl_->add_route(src ? src->get_netpoint(): nullptr, dst ? dst->get_netpoint(): nullptr, nullptr, nullptr,
145 links_direct, false);
146 pimpl_->add_route(dst ? dst->get_netpoint(): nullptr, src ? src->get_netpoint(): nullptr, nullptr, nullptr,
147 links_reverse, false);
150 void NetZone::add_bypass_route(kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst,
151 kernel::routing::NetPoint* gw_src, kernel::routing::NetPoint* gw_dst,
152 const std::vector<LinkInRoute>& link_list)
154 pimpl_->add_bypass_route(src, dst, gw_src, gw_dst, link_list);
157 void NetZone::extract_xbt_graph(const s_xbt_graph_t* graph, std::map<std::string, xbt_node_t, std::less<>>* nodes,
158 std::map<std::string, xbt_edge_t, std::less<>>* edges)
160 for (auto const& child : get_children())
161 child->extract_xbt_graph(graph, nodes, edges);
163 pimpl_->get_graph(graph, nodes, edges);
166 NetZone* NetZone::seal()
168 kernel::actor::simcall_answered([this] { pimpl_->seal(); });
171 void NetZone::set_latency_factor_cb(
172 std::function<double(double size, const s4u::Host* src, const s4u::Host* dst,
173 const std::vector<s4u::Link*>& /*links*/,
174 const std::unordered_set<s4u::NetZone*>& /*netzones*/)> const& cb) const
176 kernel::actor::simcall_answered([this, &cb]() { pimpl_->get_network_model()->set_lat_factor_cb(cb); });
178 void NetZone::set_bandwidth_factor_cb(
179 std::function<double(double size, const s4u::Host* src, const s4u::Host* dst,
180 const std::vector<s4u::Link*>& /*links*/,
181 const std::unordered_set<s4u::NetZone*>& /*netzones*/)> const& cb) const
183 kernel::actor::simcall_answered([this, &cb]() { pimpl_->get_network_model()->set_bw_factor_cb(cb); });
186 s4u::Host* NetZone::create_host(const std::string& name, double speed)
188 return create_host(name, std::vector<double>{speed});
191 s4u::Host* NetZone::create_host(const std::string& name, const std::vector<double>& speed_per_pstate)
193 return kernel::actor::simcall_answered(
194 [this, &name, &speed_per_pstate] { return pimpl_->create_host(name, speed_per_pstate); });
197 s4u::Host* NetZone::create_host(const std::string& name, const std::string& speed)
199 return create_host(name, std::vector<std::string>{speed});
202 s4u::Host* NetZone::create_host(const std::string& name, const std::vector<std::string>& speed_per_pstate)
204 return create_host(name, Host::convert_pstate_speed_vector(speed_per_pstate));
207 s4u::Link* NetZone::create_link(const std::string& name, double bandwidth)
209 return create_link(name, std::vector<double>{bandwidth});
212 s4u::Link* NetZone::create_link(const std::string& name, const std::vector<double>& bandwidths)
214 return kernel::actor::simcall_answered([this, &name, &bandwidths] { return pimpl_->create_link(name, bandwidths); });
217 s4u::Link* NetZone::create_link(const std::string& name, const std::string& bandwidth)
219 return create_link(name, std::vector<std::string>{bandwidth});
222 s4u::SplitDuplexLink* NetZone::create_split_duplex_link(const std::string& name, const std::string& bandwidth)
226 speed = xbt_parse_get_bandwidth("", 0, bandwidth, "");
227 } catch (const simgrid::ParseError&) {
228 throw std::invalid_argument("Impossible to create split-duplex link: " + name +
229 ". Invalid bandwidth: " + bandwidth);
231 return create_split_duplex_link(name, speed);
234 s4u::SplitDuplexLink* NetZone::create_split_duplex_link(const std::string& name, double bandwidth)
236 return kernel::actor::simcall_answered(
237 [this, &name, &bandwidth] { return pimpl_->create_split_duplex_link(name, std::vector<double>{bandwidth}); });
240 s4u::Link* NetZone::create_link(const std::string& name, const std::vector<std::string>& bandwidths)
242 std::vector<double> bw;
243 bw.reserve(bandwidths.size());
244 for (const auto& speed_str : bandwidths) {
246 double speed = xbt_parse_get_bandwidth("", 0, speed_str, "");
248 } catch (const simgrid::ParseError&) {
249 throw std::invalid_argument("Impossible to create link: " + name + ". Invalid bandwidth: " + speed_str);
252 return create_link(name, bw);
255 kernel::routing::NetPoint* NetZone::create_router(const std::string& name)
257 return kernel::actor::simcall_answered([this, &name] { return pimpl_->create_router(name); });
260 kernel::routing::NetPoint* NetZone::get_netpoint() const
262 return pimpl_->get_netpoint();
265 kernel::routing::NetPoint* NetZone::get_gateway() const
267 return pimpl_->get_gateway();
270 kernel::routing::NetPoint* NetZone::get_gateway(const std::string& name) const
272 return pimpl_->get_gateway(name);
275 void NetZone::set_gateway(kernel::routing::NetPoint* router)
277 set_gateway("default", router);
280 void NetZone::set_gateway(const std::string& name, kernel::routing::NetPoint* router)
282 kernel::actor::simcall_answered([this, name, router] { pimpl_->set_gateway(name, router); });
285 kernel::resource::NetworkModel* NetZone::get_network_model() const
287 return pimpl_->get_network_model().get();
289 } // namespace simgrid::s4u
291 /* **************************** Public C interface *************************** */
293 sg_netzone_t sg_zone_get_root()
295 return simgrid::s4u::Engine::get_instance()->get_netzone_root();
298 const char* sg_zone_get_name(const_sg_netzone_t netzone)
300 return netzone->get_cname();
303 sg_netzone_t sg_zone_get_by_name(const char* name)
305 return simgrid::s4u::Engine::get_instance()->netzone_by_name_or_null(name);
308 void sg_zone_get_sons(const_sg_netzone_t netzone, xbt_dict_t whereto)
310 for (auto const& elem : netzone->get_children()) {
311 xbt_dict_set(whereto, elem->get_cname(), elem);
315 const char* sg_zone_get_property_value(const_sg_netzone_t netzone, const char* name)
317 return netzone->get_property(name);
320 void sg_zone_set_property_value(sg_netzone_t netzone, const char* name, const char* value)
322 netzone->set_property(name, value);
325 void sg_zone_get_hosts(const_sg_netzone_t netzone, xbt_dynar_t whereto)
327 /* converts vector to dynar */
328 std::vector<simgrid::s4u::Host*> hosts = netzone->get_all_hosts();
329 for (auto const& host : hosts)
330 xbt_dynar_push(whereto, &host);