1 /* Copyright (c) 2013-2020. 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"
18 template class xbt::Extendable<s4u::Link>;
22 xbt::signal<void(Link&)> Link::on_creation;
23 xbt::signal<void(Link const&)> Link::on_destruction;
24 xbt::signal<void(Link const&)> Link::on_state_change;
25 xbt::signal<void(Link const&)> Link::on_bandwidth_change;
26 xbt::signal<void(kernel::resource::NetworkAction&, Host* src, Host* dst)> Link::on_communicate;
27 xbt::signal<void(kernel::resource::NetworkAction&, kernel::resource::Action::State)>
28 Link::on_communication_state_change;
30 Link* Link::by_name(const std::string& name)
32 return Engine::get_instance()->link_by_name(name);
35 Link* Link::by_name_or_null(const std::string& name)
37 return Engine::get_instance()->link_by_name_or_null(name);
40 const std::string& Link::get_name() const
42 return this->pimpl_->get_name();
44 const char* Link::get_cname() const
46 return this->pimpl_->get_cname();
48 bool Link::is_used() const
50 return this->pimpl_->is_used();
53 double Link::get_latency() const
55 return this->pimpl_->get_latency();
58 void Link::set_latency(double value)
60 kernel::actor::simcall([this, value] { pimpl_->set_latency(value); });
63 double Link::get_bandwidth() const
65 return this->pimpl_->get_bandwidth();
68 void Link::set_bandwidth(double value)
70 kernel::actor::simcall([this, value] { pimpl_->set_bandwidth(value); });
73 Link::SharingPolicy Link::get_sharing_policy() const
75 return this->pimpl_->get_sharing_policy();
78 double Link::get_usage() const
80 return this->pimpl_->get_constraint()->get_usage();
85 simgrid::kernel::actor::simcall([this]() { this->pimpl_->turn_on(); });
89 simgrid::kernel::actor::simcall([this]() { this->pimpl_->turn_off(); });
92 bool Link::is_on() const
94 return this->pimpl_->is_on();
97 void Link::set_state_profile(kernel::profile::Profile* profile)
99 simgrid::kernel::actor::simcall([this, profile]() { this->pimpl_->set_state_profile(profile); });
101 void Link::set_bandwidth_profile(kernel::profile::Profile* profile)
103 simgrid::kernel::actor::simcall([this, profile]() { this->pimpl_->set_bandwidth_profile(profile); });
105 void Link::set_latency_profile(kernel::profile::Profile* trace)
107 simgrid::kernel::actor::simcall([this, trace]() { this->pimpl_->set_latency_profile(trace); });
110 const char* Link::get_property(const std::string& key) const
112 return this->pimpl_->get_property(key);
114 void Link::set_property(const std::string& key, const std::string& value)
116 simgrid::kernel::actor::simcall([this, &key, &value] { this->pimpl_->set_property(key, value); });
119 } // namespace simgrid
121 /* **************************** Public C interface *************************** */
123 const char* sg_link_name(const_sg_link_t link)
125 return link->get_cname();
127 sg_link_t sg_link_by_name(const char* name)
129 return simgrid::s4u::Link::by_name(name);
132 int sg_link_is_shared(const_sg_link_t link)
134 return (int)link->get_sharing_policy();
136 double sg_link_bandwidth(const_sg_link_t link)
138 return link->get_bandwidth();
141 void sg_link_bandwidth_set(sg_link_t link, double value)
143 return link->set_bandwidth(value);
146 double sg_link_latency(const_sg_link_t link)
148 return link->get_latency();
150 void sg_link_latency_set(sg_link_t link, double value)
152 return link->set_latency(value);
154 void* sg_link_data(const_sg_link_t link)
156 return link->get_data();
158 void sg_link_data_set(sg_link_t link, void* data)
160 link->set_data(data);
164 return simgrid::s4u::Engine::get_instance()->get_link_count();
167 sg_link_t* sg_link_list()
169 std::vector<simgrid::s4u::Link*> links = simgrid::s4u::Engine::get_instance()->get_all_links();
171 sg_link_t* res = xbt_new(sg_link_t, links.size());
172 memcpy(res, links.data(), sizeof(sg_link_t) * links.size());