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 xbt::signal<void(Link&)> Link::on_creation;
  22 xbt::signal<void(Link const&)> Link::on_destruction;
  23 xbt::signal<void(Link const&)> Link::on_state_change;
  24 xbt::signal<void(Link const&)> Link::on_bandwidth_change;
  25 xbt::signal<void(kernel::resource::NetworkAction&, Host* src, Host* dst)> Link::on_communicate;
  26 xbt::signal<void(kernel::resource::NetworkAction&, kernel::resource::Action::State)>
  27     Link::on_communication_state_change;
  28
  29 Link* Link::by_name(const std::string& name)
  30 {
  31   return Engine::get_instance()->link_by_name(name);
  32 }
  33
  34 Link* Link::by_name_or_null(const 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() const
  53 {
  54   return this->pimpl_->get_latency();
  55 }
  56
  57 double Link::get_bandwidth() const
  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::kernel::actor::simcall([this]() { this->pimpl_->turn_on(); });
  75 }
  76 void Link::turn_off()
  77 {
  78   simgrid::kernel::actor::simcall([this]() { this->pimpl_->turn_off(); });
  79 }
  80
  81 bool Link::is_on() const
  82 {
  83   return this->pimpl_->is_on();
  84 }
  85
  86 void Link::set_state_profile(kernel::profile::Profile* profile)
  87 {
  88   simgrid::kernel::actor::simcall([this, profile]() { this->pimpl_->set_state_profile(profile); });
  89 }
  90 void Link::set_bandwidth_profile(kernel::profile::Profile* profile)
  91 {
  92   simgrid::kernel::actor::simcall([this, profile]() { this->pimpl_->set_bandwidth_profile(profile); });
  93 }
  94 void Link::set_latency_profile(kernel::profile::Profile* trace)
  95 {
  96   simgrid::kernel::actor::simcall([this, trace]() { this->pimpl_->set_latency_profile(trace); });
  97 }
  98
  99 const char* Link::get_property(const std::string& key) const
 100 {
 101   return this->pimpl_->get_property(key);
 102 }
 103 void Link::set_property(const std::string& key, const std::string& value)
 104 {
 105   simgrid::kernel::actor::simcall([this, &key, &value] { this->pimpl_->set_property(key, value); });
 106 }
 107 } // namespace s4u
 108 } // namespace simgrid
 109
 110 /* **************************** Public C interface *************************** */
 111
 112 const char* sg_link_name(sg_link_t link)
 113 {
 114   return link->get_cname();
 115 }
 116 sg_link_t sg_link_by_name(const char* name)
 117 {
 118   return simgrid::s4u::Link::by_name(name);
 119 }
 120
 121 int sg_link_is_shared(sg_link_t link)
 122 {
 123   return (int)link->get_sharing_policy();
 124 }
 125 double sg_link_bandwidth(sg_link_t link)
 126 {
 127   return link->get_bandwidth();
 128 }
 129 double sg_link_latency(sg_link_t link)
 130 {
 131   return link->get_latency();
 132 }
 133 void* sg_link_data(sg_link_t link)
 134 {
 135   return link->get_data();
 136 }
 137 void sg_link_data_set(sg_link_t link, void* data)
 138 {
 139   link->set_data(data);
 140 }
 141 int sg_link_count()
 142 {
 143   return simgrid::s4u::Engine::get_instance()->get_link_count();
 144 }
 145
 146 sg_link_t* sg_link_list()
 147 {
 148   std::vector<simgrid::s4u::Link*> links = simgrid::s4u::Engine::get_instance()->get_all_links();
 149
 150   sg_link_t* res = xbt_new(sg_link_t, links.size());
 151   memcpy(res, links.data(), sizeof(sg_link_t) * links.size());
 152
 153   return res;
 154 }