1 /* Copyright (c) 2013-2019. 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. */
8 #include "simgrid/s4u/Engine.hpp"
9 #include "simgrid/s4u/Link.hpp"
10 #include "simgrid/sg_config.hpp"
11 #include "simgrid/simix.hpp"
12 #include "src/kernel/lmm/maxmin.hpp"
13 #include "src/surf/network_interface.hpp"
16 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_link, s4u, "Logging specific to the S4U links");
21 xbt::signal<void(Link&)> Link::on_creation;
22 xbt::signal<void(Link const&)> Link::on_destruction;
23 xbt::signal<void(Link const&)> Link::on_state_change;
24 xbt::signal<void(Link const&)> Link::on_bandwidth_change;
25 xbt::signal<void(kernel::resource::NetworkAction&, Host* src, Host* dst)> Link::on_communicate;
26 xbt::signal<void(kernel::resource::NetworkAction&, kernel::resource::Action::State)>
27 Link::on_communication_state_change;
29 Link* Link::by_name(const std::string& name)
31 return Engine::get_instance()->link_by_name(name);
34 Link* Link::by_name_or_null(const std::string& name)
36 return Engine::get_instance()->link_by_name_or_null(name);
39 const std::string& Link::get_name() const
41 return this->pimpl_->get_name();
43 const char* Link::get_cname() const
45 return this->pimpl_->get_cname();
49 return this->pimpl_->is_used();
52 double Link::get_latency() const
54 return this->pimpl_->get_latency();
57 double Link::get_bandwidth() const
59 return this->pimpl_->get_bandwidth();
62 Link::SharingPolicy Link::get_sharing_policy()
64 return this->pimpl_->get_sharing_policy();
67 double Link::get_usage()
69 return this->pimpl_->get_constraint()->get_usage();
74 simgrid::simix::simcall([this]() { this->pimpl_->turn_on(); });
78 simgrid::simix::simcall([this]() { this->pimpl_->turn_off(); });
81 bool Link::is_on() const
83 return this->pimpl_->is_on();
86 void* Link::get_data()
88 return this->pimpl_->get_data();
90 void Link::set_data(void* d)
92 simgrid::simix::simcall([this, d]() { this->pimpl_->set_data(d); });
95 void Link::set_state_profile(kernel::profile::Profile* profile)
97 simgrid::simix::simcall([this, profile]() { this->pimpl_->set_state_profile(profile); });
99 void Link::set_bandwidth_profile(kernel::profile::Profile* profile)
101 simgrid::simix::simcall([this, profile]() { this->pimpl_->set_bandwidth_profile(profile); });
103 void Link::set_latency_profile(kernel::profile::Profile* trace)
105 simgrid::simix::simcall([this, trace]() { this->pimpl_->set_latency_profile(trace); });
108 const char* Link::get_property(const std::string& key) const
110 return this->pimpl_->get_property(key);
112 void Link::set_property(const std::string& key, const std::string& value)
114 simgrid::simix::simcall([this, &key, &value] { this->pimpl_->set_property(key, value); });
117 } // namespace simgrid
119 /* **************************** Public C interface *************************** */
121 const char* sg_link_name(sg_link_t link)
123 return link->get_cname();
125 sg_link_t sg_link_by_name(const char* name)
127 return simgrid::s4u::Link::by_name(name);
130 int sg_link_is_shared(sg_link_t link)
132 return (int)link->get_sharing_policy();
134 double sg_link_bandwidth(sg_link_t link)
136 return link->get_bandwidth();
138 double sg_link_latency(sg_link_t link)
140 return link->get_latency();
142 void* sg_link_data(sg_link_t link)
144 return link->get_data();
146 void sg_link_data_set(sg_link_t link, void* data)
148 link->set_data(data);
152 return simgrid::s4u::Engine::get_instance()->get_link_count();
155 sg_link_t* sg_link_list()
157 std::vector<simgrid::s4u::Link*> links = simgrid::s4u::Engine::get_instance()->get_all_links();
159 sg_link_t* res = xbt_new(sg_link_t, links.size());
160 memcpy(res, links.data(), sizeof(sg_link_t) * links.size());