src/s4u/s4u_Link.cpp

   1 /* Copyright (c) 2013-2018. 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*)> Link::on_communication_state_change;
  27
  28 void Link::destroy()
  29 {
  30   if (not currentlyDestroying_) {
  31     currentlyDestroying_ = true;
  32     on_destruction(*this);
  33     Engine::get_instance()->link_unregister(std::string(pimpl_->get_cname()));
  34   }
  35 }
  36
  37 Link* Link::by_name(std::string name)
  38 {
  39   return Engine::get_instance()->link_by_name(name);
  40 }
  41
  42 Link* Link::by_name_or_null(std::string name)
  43 {
  44   return Engine::get_instance()->link_by_name_or_null(name);
  45 }
  46
  47 const std::string& Link::get_name() const
  48 {
  49   return this->pimpl_->get_name();
  50 }
  51 const char* Link::get_cname() const
  52 {
  53   return this->pimpl_->get_cname();
  54 }
  55 const char* Link::name()
  56 {
  57   return get_cname();
  58 }
  59 bool Link::is_used()
  60 {
  61   return this->pimpl_->is_used();
  62 }
  63
  64 double Link::get_latency()
  65 {
  66   return this->pimpl_->get_latency();
  67 }
  68
  69 double Link::get_bandwidth()
  70 {
  71   return this->pimpl_->get_bandwidth();
  72 }
  73
  74 Link::SharingPolicy Link::get_sharing_policy()
  75 {
  76   return this->pimpl_->get_sharing_policy();
  77 }
  78
  79 double Link::get_usage()
  80 {
  81   return this->pimpl_->get_constraint()->get_usage();
  82 }
  83
  84 void Link::turn_on()
  85 {
  86   simgrid::simix::simcall([this]() { this->pimpl_->turn_on(); });
  87 }
  88 void Link::turn_off()
  89 {
  90   simgrid::simix::simcall([this]() { this->pimpl_->turn_off(); });
  91 }
  92
  93 void* Link::get_data()
  94 {
  95   return this->pimpl_->get_data();
  96 }
  97 void Link::set_data(void* d)
  98 {
  99   simgrid::simix::simcall([this, d]() { this->pimpl_->set_data(d); });
 100 }
 101
 102 void Link::set_state_trace(tmgr_trace_t trace)
 103 {
 104   simgrid::simix::simcall([this, trace]() { this->pimpl_->set_state_trace(trace); });
 105 }
 106 void Link::set_bandwidth_trace(tmgr_trace_t trace)
 107 {
 108   simgrid::simix::simcall([this, trace]() { this->pimpl_->set_bandwidth_trace(trace); });
 109 }
 110 void Link::set_latency_trace(tmgr_trace_t trace)
 111 {
 112   simgrid::simix::simcall([this, trace]() { this->pimpl_->set_latency_trace(trace); });
 113 }
 114
 115 const char* Link::get_property(const char* key)
 116 {
 117   return this->pimpl_->get_property(key);
 118 }
 119 void Link::set_property(std::string key, std::string value)
 120 {
 121   simgrid::simix::simcall([this, key, value] { this->pimpl_->set_property(key, value); });
 122 }
 123 } // namespace s4u
 124 } // namespace simgrid
 125
 126 /* **************************** Public C interface *************************** */
 127
 128 const char* sg_link_name(sg_link_t link)
 129 {
 130   return link->get_cname();
 131 }
 132 sg_link_t sg_link_by_name(const char* name)
 133 {
 134   return simgrid::s4u::Link::by_name(name);
 135 }
 136
 137 int sg_link_is_shared(sg_link_t link)
 138 {
 139   return (int)link->get_sharing_policy();
 140 }
 141 double sg_link_bandwidth(sg_link_t link)
 142 {
 143   return link->get_bandwidth();
 144 }
 145 double sg_link_latency(sg_link_t link)
 146 {
 147   return link->get_latency();
 148 }
 149 void* sg_link_data(sg_link_t link)
 150 {
 151   return link->get_data();
 152 }
 153 void sg_link_data_set(sg_link_t link, void* data)
 154 {
 155   link->set_data(data);
 156 }
 157 int sg_link_count()
 158 {
 159   return simgrid::s4u::Engine::get_instance()->get_link_count();
 160 }
 161
 162 sg_link_t* sg_link_list()
 163 {
 164   std::vector<simgrid::s4u::Link*> links = simgrid::s4u::Engine::get_instance()->get_all_links();
 165
 166   sg_link_t* res = (sg_link_t*)malloc(sizeof(sg_link_t) * links.size());
 167   memcpy(res, links.data(), sizeof(sg_link_t) * links.size());
 168
 169   return res;
 170 }