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");
20 simgrid::xbt::signal<void(Link&)> Link::on_creation;
21 simgrid::xbt::signal<void(Link&)> Link::on_destruction;
22 simgrid::xbt::signal<void(Link&)> Link::on_state_change;
23 simgrid::xbt::signal<void(Link&)> Link::on_bandwidth_change;
24 simgrid::xbt::signal<void(kernel::resource::NetworkAction*, Host* src, Host* dst)> Link::on_communicate;
25 simgrid::xbt::signal<void(kernel::resource::NetworkAction*)> Link::on_communication_state_change;
27 Link* Link::by_name(const char* name)
29 kernel::resource::LinkImpl* res = kernel::resource::LinkImpl::byName(name);
34 const std::string& Link::get_name() const
36 return this->pimpl_->get_name();
38 const char* Link::get_cname() const
40 return this->pimpl_->get_cname();
42 const char* Link::name()
48 return this->pimpl_->is_used();
51 double Link::latency()
53 return this->pimpl_->latency();
56 double Link::bandwidth()
58 return this->pimpl_->bandwidth();
61 Link::SharingPolicy Link::sharingPolicy()
63 return this->pimpl_->sharingPolicy();
66 double Link::getUsage()
68 return this->pimpl_->get_constraint()->get_usage();
73 simgrid::simix::simcall([this]() { this->pimpl_->turn_on(); });
77 simgrid::simix::simcall([this]() { this->pimpl_->turn_off(); });
82 return this->pimpl_->getData();
84 void Link::setData(void* d)
86 simgrid::simix::simcall([this, d]() { this->pimpl_->setData(d); });
89 void Link::setStateTrace(tmgr_trace_t trace)
91 simgrid::simix::simcall([this, trace]() { this->pimpl_->setStateTrace(trace); });
93 void Link::setBandwidthTrace(tmgr_trace_t trace)
95 simgrid::simix::simcall([this, trace]() { this->pimpl_->setBandwidthTrace(trace); });
97 void Link::setLatencyTrace(tmgr_trace_t trace)
99 simgrid::simix::simcall([this, trace]() { this->pimpl_->setLatencyTrace(trace); });
102 const char* Link::getProperty(const char* key)
104 return this->pimpl_->getProperty(key);
106 void Link::setProperty(std::string key, std::string value)
108 simgrid::simix::simcall([this, key, value] { this->pimpl_->setProperty(key, value); });
111 } // namespace simgrid
113 /* **************************** Public C interface *************************** */
115 const char* sg_link_name(sg_link_t link)
117 return link->get_cname();
119 sg_link_t sg_link_by_name(const char* name)
121 return simgrid::s4u::Link::by_name(name);
124 int sg_link_is_shared(sg_link_t link)
126 return (int)link->sharingPolicy();
128 double sg_link_bandwidth(sg_link_t link)
130 return link->bandwidth();
132 double sg_link_latency(sg_link_t link)
134 return link->latency();
136 void* sg_link_data(sg_link_t link)
138 return link->getData();
140 void sg_link_data_set(sg_link_t link, void* data)
146 return simgrid::kernel::resource::LinkImpl::linksCount();
148 sg_link_t* sg_link_list()
150 simgrid::kernel::resource::LinkImpl** list = simgrid::kernel::resource::LinkImpl::linksList();
151 sg_link_t* res = (sg_link_t*)list; // Use the same memory area
153 int size = sg_link_count();
154 for (int i = 0; i < size; i++)
155 res[i] = &(list[i]->piface_); // Convert each entry into its interface
161 simgrid::kernel::resource::LinkImpl::linksExit();