src/simgrid/host.cpp

   1 /* Copyright (c) 2013-2015. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include "xbt/dict.h"
   8 #include "simgrid/host.h"
   9 #include "simgrid/Host.hpp"
  10 #include "surf/surf.h" // routing_get_network_element_type FIXME:killme
  11
  12 size_t sg_host_count()
  13 {
  14   return xbt_dict_length(host_list);
  15 }
  16
  17 void* sg_host_get_facet(sg_host_t host, size_t facet)
  18 {
  19   return host->facet(facet);
  20 }
  21
  22 const char *sg_host_get_name(sg_host_t host)
  23 {
  24         return host->id().c_str();
  25 }
  26
  27 size_t sg_host_add_level(void(*deleter)(void*))
  28 {
  29   return simgrid::Host::add_level(deleter);
  30 }
  31
  32 sg_host_t sg_host_by_name(const char *name)
  33 {
  34   return simgrid::Host::by_name_or_null(name);
  35 }
  36
  37 sg_host_t sg_host_by_name_or_create(const char *name)
  38 {
  39   return simgrid::Host::by_name_or_create(name);
  40 }
  41
  42 xbt_dynar_t sg_hosts_as_dynar(void)
  43 {
  44         xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t),NULL);
  45
  46   xbt_dict_cursor_t cursor = nullptr;
  47   const char* name = nullptr;
  48   simgrid::Host* host = nullptr;
  49         xbt_dict_foreach(host_list, cursor, name, host)
  50                 if(routing_get_network_element_type(name) == SURF_NETWORK_ELEMENT_HOST)
  51                         xbt_dynar_push(res, &host);
  52         return res;
  53 }
  54
  55 // ========= Layering madness ==============
  56
  57 int MSG_HOST_LEVEL;
  58 int SD_HOST_LEVEL;
  59 int SIMIX_HOST_LEVEL;
  60 int ROUTING_HOST_LEVEL;
  61 int USER_HOST_LEVEL;
  62
  63 #include "src/msg/msg_private.h" // MSG_host_priv_free. FIXME: killme
  64 #include "src/simdag/private.h" // __SD_workstation_destroy. FIXME: killme
  65 #include "src/simix/smx_host_private.h" // SIMIX_host_destroy. FIXME: killme
  66 #include "src/surf/cpu_interface.hpp"
  67 #include "src/surf/surf_routing.hpp"
  68
  69 static XBT_INLINE void surf_cpu_free(void *r) {
  70   delete static_cast<simgrid::surf::Cpu*>(r);
  71 }
  72 static XBT_INLINE void routing_asr_host_free(void *p) {
  73   delete static_cast<simgrid::surf::RoutingEdge*>(p);
  74 }
  75
  76 void sg_host_init()
  77 {
  78   MSG_HOST_LEVEL = simgrid::Host::add_level([](void *p) {
  79     __MSG_host_priv_free((msg_host_priv_t) p);
  80   });
  81   SD_HOST_LEVEL = simgrid::Host::add_level(__SD_workstation_destroy);
  82   SIMIX_HOST_LEVEL = simgrid::Host::add_level(SIMIX_host_destroy);
  83   simgrid::surf::Cpu::init();
  84   ROUTING_HOST_LEVEL = simgrid::Host::add_level(routing_asr_host_free);
  85   USER_HOST_LEVEL = simgrid::Host::add_level(NULL);
  86 }
  87
  88 // ========== User data Layer ==========
  89 void *sg_host_user(sg_host_t host) {
  90   return host->facet(USER_HOST_LEVEL);
  91 }
  92 void sg_host_user_set(sg_host_t host, void* userdata) {
  93   host->set_facet(USER_HOST_LEVEL,userdata);
  94 }
  95 void sg_host_user_destroy(sg_host_t host) {
  96   host->set_facet(USER_HOST_LEVEL, nullptr);
  97 }
  98
  99 // ========== MSG Layer ==============
 100 msg_host_priv_t sg_host_msg(sg_host_t host) {
 101         return (msg_host_priv_t) host->facet(MSG_HOST_LEVEL);
 102 }
 103 void sg_host_msg_set(sg_host_t host, msg_host_priv_t smx_host) {
 104   host->set_facet(MSG_HOST_LEVEL, smx_host);
 105 }
 106 void sg_host_msg_destroy(sg_host_t host) {
 107   host->set_facet(MSG_HOST_LEVEL, nullptr);
 108 }
 109 // ========== SimDag Layer ==============
 110 SD_workstation_priv_t sg_host_sd(sg_host_t host) {
 111   return (SD_workstation_priv_t) host->facet(SD_HOST_LEVEL);
 112 }
 113 void sg_host_sd_set(sg_host_t host, SD_workstation_priv_t smx_host) {
 114   host->set_facet(SD_HOST_LEVEL, smx_host);
 115 }
 116 void sg_host_sd_destroy(sg_host_t host) {
 117   host->set_facet(SD_HOST_LEVEL, nullptr);
 118 }
 119
 120 // ========== Simix layer =============
 121 smx_host_priv_t sg_host_simix(sg_host_t host){
 122   return (smx_host_priv_t) host->facet(SIMIX_HOST_LEVEL);
 123 }
 124 void sg_host_simix_set(sg_host_t host, smx_host_priv_t smx_host) {
 125   host->set_facet(SIMIX_HOST_LEVEL, smx_host);
 126 }
 127 void sg_host_simix_destroy(sg_host_t host) {
 128   host->set_facet(SIMIX_HOST_LEVEL, nullptr);
 129 }
 130
 131 // ========== SURF CPU ============
 132 surf_cpu_t sg_host_surfcpu(sg_host_t host) {
 133         return host->facet<simgrid::surf::Cpu>();
 134 }
 135 void sg_host_surfcpu_set(sg_host_t host, surf_cpu_t cpu) {
 136   host->set_facet(simgrid::surf::Cpu::LEVEL, cpu);
 137 }
 138 void sg_host_surfcpu_register(sg_host_t host, surf_cpu_t cpu)
 139 {
 140   surf_callback_emit(simgrid::surf::cpuCreatedCallbacks, cpu);
 141   surf_callback_emit(simgrid::surf::cpuStateChangedCallbacks, cpu, SURF_RESOURCE_ON, cpu->getState());
 142   sg_host_surfcpu_set(host, cpu);
 143 }
 144 void sg_host_surfcpu_destroy(sg_host_t host) {
 145   host->set_facet<simgrid::surf::Cpu>(nullptr);
 146 }
 147 // ========== RoutingEdge ============
 148 surf_RoutingEdge *sg_host_edge(sg_host_t host) {
 149         return (surf_RoutingEdge*) host->facet(ROUTING_HOST_LEVEL);
 150 }
 151 void sg_host_edge_set(sg_host_t host, surf_RoutingEdge *edge) {
 152   host->set_facet(ROUTING_HOST_LEVEL, edge);
 153 }
 154 void sg_host_edge_destroy(sg_host_t host, int do_callback) {
 155   host->set_facet(ROUTING_HOST_LEVEL, nullptr, do_callback);
 156 }
 157
 158 // =========== user-level functions ===============
 159 // ================================================
 160 double sg_host_get_speed(sg_host_t host){
 161   return surf_host_get_speed(host, 1.0);
 162 }
 163
 164 double sg_host_get_available_speed(sg_host_t host){
 165   return surf_host_get_available_speed(host);
 166 }
 167 /** @brief Returns the number of core of the processor. */
 168 int sg_host_get_core(sg_host_t host) {
 169         return surf_host_get_core(host);
 170 }
 171 /** @brief Returns the state of a host.
 172  *  @return 1 if the host is active or 0 if it has crashed.
 173  */
 174 int sg_host_get_state(sg_host_t host) {
 175         return surf_host_get_state(surf_host_resource_priv(host));
 176 }
 177
 178 /** @brief Returns the total energy consumed by the host (in Joules).
 179  *
 180  *  See also @ref SURF_plugin_energy.
 181  */
 182 double sg_host_get_consumed_energy(sg_host_t host) {
 183         return surf_host_get_consumed_energy(host);
 184 }
 185
 186 /** @brief Returns the number of power states for a host.
 187  *
 188  *  See also @ref SURF_plugin_energy.
 189  */
 190 int sg_host_get_nb_pstates(sg_host_t host) {
 191         return surf_host_get_nb_pstates(host);
 192 }
 193
 194 /** @brief Gets the pstate at which that host currently runs.
 195  *
 196  *  See also @ref SURF_plugin_energy.
 197  */
 198 int sg_host_get_pstate(sg_host_t host) {
 199         return surf_host_get_pstate(host);
 200 }
 201
 202 namespace simgrid {
 203
 204 Host::Host(std::string const& id)
 205   : id_(id)
 206 {
 207 }
 208
 209 Host::~Host()
 210 {
 211 }
 212
 213 Host* Host::by_name_or_null(const char* name)
 214 {
 215   return (Host*) xbt_dict_get_or_null(host_list, name);
 216 }
 217
 218 Host* Host::by_name_or_create(const char* name)
 219 {
 220   Host* host = by_name_or_null(name);
 221   if (host == nullptr) {
 222     host = new Host(name);
 223     xbt_dict_set(host_list, name, host, NULL);
 224   }
 225   return host;
 226 }
 227
 228 }