src/s4u/s4u_Link.cpp

   1 /* Copyright (c) 2013-2019. 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 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_link, s4u, "Logging specific to the S4U links");
  17
  18 namespace simgrid {
  19 namespace s4u {
  20
  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*, kernel::resource::Action::State)>
  27     Link::on_communication_state_change;
  28
  29 Link* Link::by_name(std::string name)
  30 {
  31   return Engine::get_instance()->link_by_name(name);
  32 }
  33
  34 Link* Link::by_name_or_null(std::string name)
  35 {
  36   return Engine::get_instance()->link_by_name_or_null(name);
  37 }
  38
  39 const std::string& Link::get_name() const
  40 {
  41   return this->pimpl_->get_name();
  42 }
  43 const char* Link::get_cname() const
  44 {
  45   return this->pimpl_->get_cname();
  46 }
  47 bool Link::is_used()
  48 {
  49   return this->pimpl_->is_used();
  50 }
  51
  52 double Link::get_latency()
  53 {
  54   return this->pimpl_->get_latency();
  55 }
  56
  57 double Link::get_bandwidth()
  58 {
  59   return this->pimpl_->get_bandwidth();
  60 }
  61
  62 Link::SharingPolicy Link::get_sharing_policy()
  63 {
  64   return this->pimpl_->get_sharing_policy();
  65 }
  66
  67 double Link::get_usage()
  68 {
  69   return this->pimpl_->get_constraint()->get_usage();
  70 }
  71
  72 void Link::turn_on()
  73 {
  74   simgrid::simix::simcall([this]() { this->pimpl_->turn_on(); });
  75 }
  76 void Link::turn_off()
  77 {
  78   simgrid::simix::simcall([this]() { this->pimpl_->turn_off(); });
  79 }
  80
  81 void* Link::get_data()
  82 {
  83   return this->pimpl_->get_data();
  84 }
  85 void Link::set_data(void* d)
  86 {
  87   simgrid::simix::simcall([this, d]() { this->pimpl_->set_data(d); });
  88 }
  89
  90 void Link::set_state_profile(kernel::profile::Profile* profile)
  91 {
  92   simgrid::simix::simcall([this, profile]() { this->pimpl_->set_state_profile(profile); });
  93 }
  94 void Link::set_bandwidth_profile(kernel::profile::Profile* profile)
  95 {
  96   simgrid::simix::simcall([this, profile]() { this->pimpl_->set_bandwidth_profile(profile); });
  97 }
  98 void Link::set_latency_profile(kernel::profile::Profile* trace)
  99 {
 100   simgrid::simix::simcall([this, trace]() { this->pimpl_->set_latency_profile(trace); });
 101 }
 102
 103 const char* Link::get_property(std::string key)
 104 {
 105   return this->pimpl_->get_property(key);
 106 }
 107 void Link::set_property(std::string key, std::string value)
 108 {
 109   simgrid::simix::simcall([this, key, value] { this->pimpl_->set_property(key, value); });
 110 }
 111 } // namespace s4u
 112 } // namespace simgrid
 113
 114 /* **************************** Public C interface *************************** */
 115
 116 const char* sg_link_name(sg_link_t link)
 117 {
 118   return link->get_cname();
 119 }
 120 sg_link_t sg_link_by_name(const char* name)
 121 {
 122   return simgrid::s4u::Link::by_name(name);
 123 }
 124
 125 int sg_link_is_shared(sg_link_t link)
 126 {
 127   return (int)link->get_sharing_policy();
 128 }
 129 double sg_link_bandwidth(sg_link_t link)
 130 {
 131   return link->get_bandwidth();
 132 }
 133 double sg_link_latency(sg_link_t link)
 134 {
 135   return link->get_latency();
 136 }
 137 void* sg_link_data(sg_link_t link)
 138 {
 139   return link->get_data();
 140 }
 141 void sg_link_data_set(sg_link_t link, void* data)
 142 {
 143   link->set_data(data);
 144 }
 145 int sg_link_count()
 146 {
 147   return simgrid::s4u::Engine::get_instance()->get_link_count();
 148 }
 149
 150 sg_link_t* sg_link_list()
 151 {
 152   std::vector<simgrid::s4u::Link*> links = simgrid::s4u::Engine::get_instance()->get_all_links();
 153
 154   sg_link_t* res = (sg_link_t*)malloc(sizeof(sg_link_t) * links.size());
 155   memcpy(res, links.data(), sizeof(sg_link_t) * links.size());
 156
 157   return res;
 158 }