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/Link.hpp"
9 #include "simgrid/sg_config.hpp"
10 #include "simgrid/simix.hpp"
11 #include "src/kernel/lmm/maxmin.hpp"
12 #include "src/surf/network_interface.hpp"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_link, s4u, "Logging specific to the S4U links");
21 const char* sg_link_name(sg_link_t link)
23 return link->get_cname();
25 sg_link_t sg_link_by_name(const char* name)
27 return simgrid::s4u::Link::by_name(name);
30 int sg_link_is_shared(sg_link_t link)
32 return (int)link->sharingPolicy();
34 double sg_link_bandwidth(sg_link_t link)
36 return link->bandwidth();
38 double sg_link_latency(sg_link_t link)
40 return link->latency();
42 void* sg_link_data(sg_link_t link)
44 return link->getData();
46 void sg_link_data_set(sg_link_t link, void* data)
52 return simgrid::kernel::resource::LinkImpl::linksCount();
54 sg_link_t* sg_link_list()
56 simgrid::kernel::resource::LinkImpl** list = simgrid::kernel::resource::LinkImpl::linksList();
57 sg_link_t* res = (sg_link_t*)list; // Use the same memory area
59 int size = sg_link_count();
60 for (int i = 0; i < size; i++)
61 res[i] = &(list[i]->piface_); // Convert each entry into its interface
67 simgrid::kernel::resource::LinkImpl::linksExit();
76 Link* Link::by_name(const char* name)
78 kernel::resource::LinkImpl* res = kernel::resource::LinkImpl::byName(name);
83 const std::string& Link::get_name() const
85 return this->pimpl_->get_name();
87 const char* Link::get_cname() const
89 return this->pimpl_->get_cname();
91 const char* Link::name()
97 return this->pimpl_->is_used();
100 double Link::latency()
102 return this->pimpl_->latency();
105 double Link::bandwidth()
107 return this->pimpl_->bandwidth();
110 Link::SharingPolicy Link::sharingPolicy()
112 return this->pimpl_->sharingPolicy();
115 double Link::getUsage()
117 return this->pimpl_->get_constraint()->get_usage();
122 simgrid::simix::kernelImmediate([this]() { this->pimpl_->turn_on(); });
126 simgrid::simix::kernelImmediate([this]() { this->pimpl_->turn_off(); });
129 void* Link::getData()
131 return this->pimpl_->getData();
133 void Link::setData(void* d)
135 simgrid::simix::kernelImmediate([this, d]() {
136 this->pimpl_->setData(d);
140 void Link::setStateTrace(tmgr_trace_t trace)
142 simgrid::simix::kernelImmediate([this, trace]() {
143 this->pimpl_->setStateTrace(trace);
146 void Link::setBandwidthTrace(tmgr_trace_t trace)
148 simgrid::simix::kernelImmediate([this, trace]() {
149 this->pimpl_->setBandwidthTrace(trace);
152 void Link::setLatencyTrace(tmgr_trace_t trace)
154 simgrid::simix::kernelImmediate([this, trace]() {
155 this->pimpl_->setLatencyTrace(trace);
159 const char* Link::getProperty(const char* key)
161 return this->pimpl_->getProperty(key);
163 void Link::setProperty(std::string key, std::string value)
165 simgrid::simix::kernelImmediate([this, key, value] { this->pimpl_->setProperty(key, value); });
171 simgrid::xbt::signal<void(s4u::Link&)> Link::onCreation;
172 simgrid::xbt::signal<void(s4u::Link&)> Link::onDestruction;
173 simgrid::xbt::signal<void(s4u::Link&)> Link::onStateChange;
174 simgrid::xbt::signal<void(kernel::resource::NetworkAction*, s4u::Host* src, s4u::Host* dst)> Link::onCommunicate;
175 simgrid::xbt::signal<void(kernel::resource::NetworkAction*)> Link::onCommunicationStateChange;