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