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 const char *sg_host_get_name(sg_host_t host)
  18 {
  19         return host->id().c_str();
  20 }
  21
  22 void* sg_host_extension_get(sg_host_t host, size_t ext)
  23 {
  24   return host->extension(ext);
  25 }
  26
  27 size_t sg_host_extension_create(void(*deleter)(void*))
  28 {
  29   return simgrid::Host::extension_create(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 void sg_host_init()
  70 {
  71   MSG_HOST_LEVEL = simgrid::Host::extension_create([](void *p) {
  72     __MSG_host_priv_free((msg_host_priv_t) p);
  73   });
  74
  75   ROUTING_HOST_LEVEL = simgrid::Host::extension_create([](void *p) {
  76           delete static_cast<simgrid::surf::RoutingEdge*>(p);
  77   });
  78
  79   SD_HOST_LEVEL = simgrid::Host::extension_create(__SD_workstation_destroy);
  80   SIMIX_HOST_LEVEL = simgrid::Host::extension_create(SIMIX_host_destroy);
  81   USER_HOST_LEVEL = simgrid::Host::extension_create(NULL);
  82   simgrid::surf::Cpu::classInit();
  83 }
  84
  85 // ========== User data Layer ==========
  86 void *sg_host_user(sg_host_t host) {
  87   return host->extension(USER_HOST_LEVEL);
  88 }
  89 void sg_host_user_set(sg_host_t host, void* userdata) {
  90   host->extension_set(USER_HOST_LEVEL,userdata);
  91 }
  92 void sg_host_user_destroy(sg_host_t host) {
  93   host->extension_set(USER_HOST_LEVEL, nullptr);
  94 }
  95
  96 // ========== MSG Layer ==============
  97 msg_host_priv_t sg_host_msg(sg_host_t host) {
  98         return (msg_host_priv_t) host->extension(MSG_HOST_LEVEL);
  99 }
 100 void sg_host_msg_set(sg_host_t host, msg_host_priv_t smx_host) {
 101   host->extension_set(MSG_HOST_LEVEL, smx_host);
 102 }
 103 void sg_host_msg_destroy(sg_host_t host) {
 104   host->extension_set(MSG_HOST_LEVEL, nullptr);
 105 }
 106 // ========== SimDag Layer ==============
 107 SD_workstation_priv_t sg_host_sd(sg_host_t host) {
 108   return (SD_workstation_priv_t) host->extension(SD_HOST_LEVEL);
 109 }
 110 void sg_host_sd_set(sg_host_t host, SD_workstation_priv_t smx_host) {
 111   host->extension_set(SD_HOST_LEVEL, smx_host);
 112 }
 113 void sg_host_sd_destroy(sg_host_t host) {
 114   host->extension_set(SD_HOST_LEVEL, nullptr);
 115 }
 116
 117 // ========== Simix layer =============
 118 smx_host_priv_t sg_host_simix(sg_host_t host){
 119   return (smx_host_priv_t) host->extension(SIMIX_HOST_LEVEL);
 120 }
 121 void sg_host_simix_set(sg_host_t host, smx_host_priv_t smx_host) {
 122   host->extension_set(SIMIX_HOST_LEVEL, smx_host);
 123 }
 124 void sg_host_simix_destroy(sg_host_t host) {
 125   host->extension_set(SIMIX_HOST_LEVEL, nullptr);
 126 }
 127
 128 // ========== SURF CPU ============
 129 surf_cpu_t sg_host_surfcpu(sg_host_t host) {
 130         return host->extension<simgrid::surf::Cpu>();
 131 }
 132 void sg_host_surfcpu_set(sg_host_t host, surf_cpu_t cpu) {
 133   host->extension_set(simgrid::surf::Cpu::EXTENSION_ID, cpu); // FIXME: use the typesafe version
 134 }
 135 void sg_host_surfcpu_destroy(sg_host_t host) {
 136   host->extension_set<simgrid::surf::Cpu>(nullptr);
 137 }
 138 // ========== RoutingEdge ============
 139 surf_RoutingEdge *sg_host_edge(sg_host_t host) {
 140         return (surf_RoutingEdge*) host->extension(ROUTING_HOST_LEVEL);
 141 }
 142 void sg_host_edge_set(sg_host_t host, surf_RoutingEdge *edge) {
 143   host->extension_set(ROUTING_HOST_LEVEL, edge);
 144 }
 145 void sg_host_edge_destroy(sg_host_t host, int do_callback) {
 146   host->extension_set(ROUTING_HOST_LEVEL, nullptr, do_callback);
 147 }
 148
 149 // =========== user-level functions ===============
 150 // ================================================
 151 double sg_host_get_speed(sg_host_t host){
 152   return surf_host_get_speed(host, 1.0);
 153 }
 154
 155 double sg_host_get_available_speed(sg_host_t host){
 156   return surf_host_get_available_speed(host);
 157 }
 158 /** @brief Returns the number of core of the processor. */
 159 int sg_host_get_core(sg_host_t host) {
 160         return surf_host_get_core(host);
 161 }
 162 /** @brief Returns the state of a host.
 163  *  @return 1 if the host is active or 0 if it has crashed.
 164  */
 165 int sg_host_get_state(sg_host_t host) {
 166         return surf_host_get_state(surf_host_resource_priv(host));
 167 }
 168
 169 /** @brief Returns the total energy consumed by the host (in Joules).
 170  *
 171  *  See also @ref SURF_plugin_energy.
 172  */
 173 double sg_host_get_consumed_energy(sg_host_t host) {
 174         return surf_host_get_consumed_energy(host);
 175 }
 176
 177 /** @brief Returns the number of power states for a host.
 178  *
 179  *  See also @ref SURF_plugin_energy.
 180  */
 181 int sg_host_get_nb_pstates(sg_host_t host) {
 182         return surf_host_get_nb_pstates(host);
 183 }
 184
 185 /** @brief Gets the pstate at which that host currently runs.
 186  *
 187  *  See also @ref SURF_plugin_energy.
 188  */
 189 int sg_host_get_pstate(sg_host_t host) {
 190         return surf_host_get_pstate(host);
 191 }
 192
 193 namespace simgrid {
 194
 195 Host::Host(std::string const& id)
 196   : id_(id)
 197 {
 198 }
 199
 200 Host::~Host()
 201 {
 202 }
 203
 204 Host* Host::by_name_or_null(const char* name)
 205 {
 206   return (Host*) xbt_dict_get_or_null(host_list, name);
 207 }
 208
 209 Host* Host::by_name_or_create(const char* name)
 210 {
 211   Host* host = by_name_or_null(name);
 212   if (host == nullptr) {
 213     host = new Host(name);
 214     xbt_dict_set(host_list, name, host, NULL);
 215   }
 216   return host;
 217 }
 218
 219 }