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
  18 template class xbt::Extendable<s4u::Link>;
  19
  20 namespace s4u {
  21
  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;
  29
  30 Link* Link::by_name(const std::string& name)
  31 {
  32   return Engine::get_instance()->link_by_name(name);
  33 }
  34
  35 Link* Link::by_name_or_null(const std::string& name)
  36 {
  37   return Engine::get_instance()->link_by_name_or_null(name);
  38 }
  39
  40 const std::string& Link::get_name() const
  41 {
  42   return this->pimpl_->get_name();
  43 }
  44 const char* Link::get_cname() const
  45 {
  46   return this->pimpl_->get_cname();
  47 }
  48 bool Link::is_used() const
  49 {
  50   return this->pimpl_->is_used();
  51 }
  52
  53 double Link::get_latency() const
  54 {
  55   return this->pimpl_->get_latency();
  56 }
  57
  58 double Link::get_bandwidth() const
  59 {
  60   return this->pimpl_->get_bandwidth();
  61 }
  62
  63 Link::SharingPolicy Link::get_sharing_policy() const
  64 {
  65   return this->pimpl_->get_sharing_policy();
  66 }
  67
  68 double Link::get_usage() const
  69 {
  70   return this->pimpl_->get_constraint()->get_usage();
  71 }
  72
  73 void Link::turn_on()
  74 {
  75   simgrid::kernel::actor::simcall([this]() { this->pimpl_->turn_on(); });
  76 }
  77 void Link::turn_off()
  78 {
  79   simgrid::kernel::actor::simcall([this]() { this->pimpl_->turn_off(); });
  80 }
  81
  82 bool Link::is_on() const
  83 {
  84   return this->pimpl_->is_on();
  85 }
  86
  87 void Link::set_state_profile(kernel::profile::Profile* profile)
  88 {
  89   simgrid::kernel::actor::simcall([this, profile]() { this->pimpl_->set_state_profile(profile); });
  90 }
  91 void Link::set_bandwidth_profile(kernel::profile::Profile* profile)
  92 {
  93   simgrid::kernel::actor::simcall([this, profile]() { this->pimpl_->set_bandwidth_profile(profile); });
  94 }
  95 void Link::set_latency_profile(kernel::profile::Profile* trace)
  96 {
  97   simgrid::kernel::actor::simcall([this, trace]() { this->pimpl_->set_latency_profile(trace); });
  98 }
  99
 100 const char* Link::get_property(const std::string& key) const
 101 {
 102   return this->pimpl_->get_property(key);
 103 }
 104 void Link::set_property(const std::string& key, const std::string& value)
 105 {
 106   simgrid::kernel::actor::simcall([this, &key, &value] { this->pimpl_->set_property(key, value); });
 107 }
 108 } // namespace s4u
 109 } // namespace simgrid
 110
 111 /* **************************** Public C interface *************************** */
 112
 113 const char* sg_link_name(const_sg_link_t link)
 114 {
 115   return link->get_cname();
 116 }
 117 sg_link_t sg_link_by_name(const char* name)
 118 {
 119   return simgrid::s4u::Link::by_name(name);
 120 }
 121
 122 int sg_link_is_shared(const_sg_link_t link)
 123 {
 124   return (int)link->get_sharing_policy();
 125 }
 126 double sg_link_bandwidth(const_sg_link_t link)
 127 {
 128   return link->get_bandwidth();
 129 }
 130 double sg_link_latency(const_sg_link_t link)
 131 {
 132   return link->get_latency();
 133 }
 134 void* sg_link_data(const_sg_link_t link)
 135 {
 136   return link->get_data();
 137 }
 138 void sg_link_data_set(sg_link_t link, void* data)
 139 {
 140   link->set_data(data);
 141 }
 142 int sg_link_count()
 143 {
 144   return simgrid::s4u::Engine::get_instance()->get_link_count();
 145 }
 146
 147 sg_link_t* sg_link_list()
 148 {
 149   std::vector<simgrid::s4u::Link*> links = simgrid::s4u::Engine::get_instance()->get_all_links();
 150
 151   sg_link_t* res = xbt_new(sg_link_t, links.size());
 152   memcpy(res, links.data(), sizeof(sg_link_t) * links.size());
 153
 154   return res;
 155 }