1 /* Copyright (c) 2013-2018. 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 simgrid::xbt::signal<void(Link&)> Link::on_creation;
22 simgrid::xbt::signal<void(Link&)> Link::on_destruction;
23 simgrid::xbt::signal<void(Link&)> Link::on_state_change;
24 simgrid::xbt::signal<void(Link&)> Link::on_bandwidth_change;
25 simgrid::xbt::signal<void(kernel::resource::NetworkAction*, Host* src, Host* dst)> Link::on_communicate;
26 simgrid::xbt::signal<void(kernel::resource::NetworkAction*)> Link::on_communication_state_change;
28 Link* Link::by_name(std::string name)
30 return Engine::get_instance()->link_by_name(name);
33 Link* Link::by_name_or_null(std::string name)
35 return Engine::get_instance()->link_by_name_or_null(name);
38 const std::string& Link::get_name() const
40 return this->pimpl_->get_name();
42 const char* Link::get_cname() const
44 return this->pimpl_->get_cname();
46 const char* Link::name()
52 return this->pimpl_->is_used();
55 double Link::get_latency()
57 return this->pimpl_->get_latency();
60 double Link::get_bandwidth()
62 return this->pimpl_->get_bandwidth();
65 Link::SharingPolicy Link::get_sharing_policy()
67 return this->pimpl_->get_sharing_policy();
70 double Link::get_usage()
72 return this->pimpl_->get_constraint()->get_usage();
77 simgrid::simix::simcall([this]() { this->pimpl_->turn_on(); });
81 simgrid::simix::simcall([this]() { this->pimpl_->turn_off(); });
84 void* Link::get_data()
86 return this->pimpl_->get_data();
88 void Link::set_data(void* d)
90 simgrid::simix::simcall([this, d]() { this->pimpl_->set_data(d); });
93 void Link::set_state_trace(tmgr_trace_t trace)
95 simgrid::simix::simcall([this, trace]() { this->pimpl_->set_state_trace(trace); });
97 void Link::set_bandwidth_trace(tmgr_trace_t trace)
99 simgrid::simix::simcall([this, trace]() { this->pimpl_->set_bandwidth_trace(trace); });
101 void Link::set_latency_trace(tmgr_trace_t trace)
103 simgrid::simix::simcall([this, trace]() { this->pimpl_->set_latency_trace(trace); });
106 const char* Link::get_property(const char* key)
108 return this->pimpl_->get_property(key);
110 void Link::set_property(std::string key, std::string value)
112 simgrid::simix::simcall([this, key, value] { this->pimpl_->set_property(key, value); });
115 } // namespace simgrid
117 /* **************************** Public C interface *************************** */
119 const char* sg_link_name(sg_link_t link)
121 return link->get_cname();
123 sg_link_t sg_link_by_name(const char* name)
125 return simgrid::s4u::Link::by_name(name);
128 int sg_link_is_shared(sg_link_t link)
130 return (int)link->get_sharing_policy();
132 double sg_link_bandwidth(sg_link_t link)
134 return link->get_bandwidth();
136 double sg_link_latency(sg_link_t link)
138 return link->get_latency();
140 void* sg_link_data(sg_link_t link)
142 return link->get_data();
144 void sg_link_data_set(sg_link_t link, void* data)
146 link->set_data(data);
150 return simgrid::s4u::Engine::get_instance()->get_link_count();
153 sg_link_t* sg_link_list()
155 std::vector<simgrid::s4u::Link*> links = simgrid::s4u::Engine::get_instance()->get_all_links();
157 sg_link_t* res = (sg_link_t*)malloc(sizeof(sg_link_t) * links.size());
158 memcpy(res, links.data(), sizeof(sg_link_t) * links.size());