src/s4u/s4u_Link.cpp

   1 /* Copyright (c) 2013-2020. The SimGrid Team. All rights reserved.          */
   2
   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. */
   5
   6 #include <algorithm>
   7
   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"
  14 #include "xbt/log.h"
  15
  16 namespace simgrid {
  17 namespace s4u {
  18
  19 xbt::signal<void(Link&)> Link::on_creation;
  20 xbt::signal<void(Link const&)> Link::on_destruction;
  21 xbt::signal<void(Link const&)> Link::on_state_change;
  22 xbt::signal<void(Link const&)> Link::on_bandwidth_change;
  23 xbt::signal<void(kernel::resource::NetworkAction&, Host* src, Host* dst)> Link::on_communicate;
  24 xbt::signal<void(kernel::resource::NetworkAction&, kernel::resource::Action::State)>
  25     Link::on_communication_state_change;
  26
  27 Link* Link::by_name(const std::string& name)
  28 {
  29   return Engine::get_instance()->link_by_name(name);
  30 }
  31
  32 Link* Link::by_name_or_null(const std::string& name)
  33 {
  34   return Engine::get_instance()->link_by_name_or_null(name);
  35 }
  36
  37 const std::string& Link::get_name() const
  38 {
  39   return this->pimpl_->get_name();
  40 }
  41 const char* Link::get_cname() const
  42 {
  43   return this->pimpl_->get_cname();
  44 }
  45 bool Link::is_used() const
  46 {
  47   return this->pimpl_->is_used();
  48 }
  49
  50 double Link::get_latency() const
  51 {
  52   return this->pimpl_->get_latency();
  53 }
  54
  55 double Link::get_bandwidth() const
  56 {
  57   return this->pimpl_->get_bandwidth();
  58 }
  59
  60 Link::SharingPolicy Link::get_sharing_policy() const
  61 {
  62   return this->pimpl_->get_sharing_policy();
  63 }
  64
  65 double Link::get_usage() const
  66 {
  67   return this->pimpl_->get_constraint()->get_usage();
  68 }
  69
  70 void Link::turn_on()
  71 {
  72   simgrid::kernel::actor::simcall([this]() { this->pimpl_->turn_on(); });
  73 }
  74 void Link::turn_off()
  75 {
  76   simgrid::kernel::actor::simcall([this]() { this->pimpl_->turn_off(); });
  77 }
  78
  79 bool Link::is_on() const
  80 {
  81   return this->pimpl_->is_on();
  82 }
  83
  84 void Link::set_state_profile(kernel::profile::Profile* profile)
  85 {
  86   simgrid::kernel::actor::simcall([this, profile]() { this->pimpl_->set_state_profile(profile); });
  87 }
  88 void Link::set_bandwidth_profile(kernel::profile::Profile* profile)
  89 {
  90   simgrid::kernel::actor::simcall([this, profile]() { this->pimpl_->set_bandwidth_profile(profile); });
  91 }
  92 void Link::set_latency_profile(kernel::profile::Profile* trace)
  93 {
  94   simgrid::kernel::actor::simcall([this, trace]() { this->pimpl_->set_latency_profile(trace); });
  95 }
  96
  97 const char* Link::get_property(const std::string& key) const
  98 {
  99   return this->pimpl_->get_property(key);
 100 }
 101 void Link::set_property(const std::string& key, const std::string& value)
 102 {
 103   simgrid::kernel::actor::simcall([this, &key, &value] { this->pimpl_->set_property(key, value); });
 104 }
 105 } // namespace s4u
 106 } // namespace simgrid
 107
 108 /* **************************** Public C interface *************************** */
 109
 110 const char* sg_link_name(const_sg_link_t link)
 111 {
 112   return link->get_cname();
 113 }
 114 sg_link_t sg_link_by_name(const char* name)
 115 {
 116   return simgrid::s4u::Link::by_name(name);
 117 }
 118
 119 int sg_link_is_shared(const_sg_link_t link)
 120 {
 121   return (int)link->get_sharing_policy();
 122 }
 123 double sg_link_bandwidth(const_sg_link_t link)
 124 {
 125   return link->get_bandwidth();
 126 }
 127 double sg_link_latency(const_sg_link_t link)
 128 {
 129   return link->get_latency();
 130 }
 131 void* sg_link_data(const_sg_link_t link)
 132 {
 133   return link->get_data();
 134 }
 135 void sg_link_data_set(sg_link_t link, void* data)
 136 {
 137   link->set_data(data);
 138 }
 139 int sg_link_count()
 140 {
 141   return simgrid::s4u::Engine::get_instance()->get_link_count();
 142 }
 143
 144 sg_link_t* sg_link_list()
 145 {
 146   std::vector<simgrid::s4u::Link*> links = simgrid::s4u::Engine::get_instance()->get_all_links();
 147
 148   sg_link_t* res = xbt_new(sg_link_t, links.size());
 149   memcpy(res, links.data(), sizeof(sg_link_t) * links.size());
 150
 151   return res;
 152 }