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::find_host(name);
  35 }
  36
  37 sg_host_t sg_host_by_name_or_create(const char *name)
  38 {
  39   return simgrid::Host::get_host(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 SURF_CPU_LEVEL;
  62 int USER_HOST_LEVEL;
  63
  64 #include "src/msg/msg_private.h" // MSG_host_priv_free. FIXME: killme
  65 #include "src/simdag/private.h" // __SD_workstation_destroy. FIXME: killme
  66 #include "src/simix/smx_host_private.h" // SIMIX_host_destroy. FIXME: killme
  67 #include "src/surf/cpu_interface.hpp"
  68 #include "src/surf/surf_routing.hpp"
  69
  70 static XBT_INLINE void surf_cpu_free(void *r) {
  71   delete static_cast<simgrid::surf::Cpu*>(r);
  72 }
  73 static XBT_INLINE void routing_asr_host_free(void *p) {
  74   delete static_cast<simgrid::surf::RoutingEdge*>(p);
  75 }
  76
  77 void sg_host_init()
  78 {
  79   MSG_HOST_LEVEL = simgrid::Host::add_level([](void *p) {
  80     __MSG_host_priv_free((msg_host_priv_t) p);
  81   });
  82   SD_HOST_LEVEL = simgrid::Host::add_level(__SD_workstation_destroy);
  83   SIMIX_HOST_LEVEL = simgrid::Host::add_level(SIMIX_host_destroy);
  84   SURF_CPU_LEVEL = simgrid::Host::add_level(surf_cpu_free);
  85   ROUTING_HOST_LEVEL = simgrid::Host::add_level(routing_asr_host_free);
  86   USER_HOST_LEVEL = simgrid::Host::add_level(NULL);
  87 }
  88
  89 // ========== User data Layer ==========
  90 void *sg_host_user(sg_host_t host) {
  91   return host->facet(USER_HOST_LEVEL);
  92 }
  93 void sg_host_user_set(sg_host_t host, void* userdata) {
  94   host->set_facet(USER_HOST_LEVEL,userdata);
  95 }
  96 void sg_host_user_destroy(sg_host_t host) {
  97   host->set_facet(USER_HOST_LEVEL, nullptr);
  98 }
  99
 100 // ========== MSG Layer ==============
 101 msg_host_priv_t sg_host_msg(sg_host_t host) {
 102         return (msg_host_priv_t) host->facet(MSG_HOST_LEVEL);
 103 }
 104 void sg_host_msg_set(sg_host_t host, msg_host_priv_t smx_host) {
 105   host->set_facet(MSG_HOST_LEVEL, smx_host);
 106 }
 107 void sg_host_msg_destroy(sg_host_t host) {
 108   host->set_facet(MSG_HOST_LEVEL, nullptr);
 109 }
 110 // ========== SimDag Layer ==============
 111 SD_workstation_priv_t sg_host_sd(sg_host_t host) {
 112   return (SD_workstation_priv_t) host->facet(SD_HOST_LEVEL);
 113 }
 114 void sg_host_sd_set(sg_host_t host, SD_workstation_priv_t smx_host) {
 115   host->set_facet(SD_HOST_LEVEL, smx_host);
 116 }
 117 void sg_host_sd_destroy(sg_host_t host) {
 118   host->set_facet(SD_HOST_LEVEL, nullptr);
 119 }
 120
 121 // ========== Simix layer =============
 122 smx_host_priv_t sg_host_simix(sg_host_t host){
 123   return (smx_host_priv_t) host->facet(SIMIX_HOST_LEVEL);
 124 }
 125 void sg_host_simix_set(sg_host_t host, smx_host_priv_t smx_host) {
 126   host->set_facet(SIMIX_HOST_LEVEL, smx_host);
 127 }
 128 void sg_host_simix_destroy(sg_host_t host) {
 129   host->set_facet(SIMIX_HOST_LEVEL, nullptr);
 130 }
 131
 132 // ========== SURF CPU ============
 133 surf_cpu_t sg_host_surfcpu(sg_host_t host) {
 134         return (surf_cpu_t) host->facet(SURF_CPU_LEVEL);
 135 }
 136 void sg_host_surfcpu_set(sg_host_t host, surf_cpu_t cpu) {
 137   host->set_facet(SURF_CPU_LEVEL, cpu);
 138 }
 139 void sg_host_surfcpu_register(sg_host_t host, surf_cpu_t cpu)
 140 {
 141   surf_callback_emit(simgrid::surf::cpuCreatedCallbacks, cpu);
 142   surf_callback_emit(simgrid::surf::cpuStateChangedCallbacks, cpu, SURF_RESOURCE_ON, cpu->getState());
 143   sg_host_surfcpu_set(host, cpu);
 144 }
 145 void sg_host_surfcpu_destroy(sg_host_t host) {
 146   host->set_facet(SURF_CPU_LEVEL, nullptr);
 147 }
 148 // ========== RoutingEdge ============
 149 surf_RoutingEdge *sg_host_edge(sg_host_t host) {
 150         return (surf_RoutingEdge*) host->facet(ROUTING_HOST_LEVEL);
 151 }
 152 void sg_host_edge_set(sg_host_t host, surf_RoutingEdge *edge) {
 153   host->set_facet(ROUTING_HOST_LEVEL, edge);
 154 }
 155 void sg_host_edge_destroy(sg_host_t host, int do_callback) {
 156   host->set_facet(ROUTING_HOST_LEVEL, nullptr, do_callback);
 157 }
 158
 159 // =========== user-level functions ===============
 160 // ================================================
 161 double sg_host_get_speed(sg_host_t host){
 162   return surf_host_get_speed(host, 1.0);
 163 }
 164
 165 double sg_host_get_available_speed(sg_host_t host){
 166   return surf_host_get_available_speed(host);
 167 }
 168 /** @brief Returns the number of core of the processor. */
 169 int sg_host_get_core(sg_host_t host) {
 170         return surf_host_get_core(host);
 171 }
 172 /** @brief Returns the state of a host.
 173  *  @return 1 if the host is active or 0 if it has crashed.
 174  */
 175 int sg_host_get_state(sg_host_t host) {
 176         return surf_host_get_state(surf_host_resource_priv(host));
 177 }
 178
 179 /** @brief Returns the total energy consumed by the host (in Joules).
 180  *
 181  *  See also @ref SURF_plugin_energy.
 182  */
 183 double sg_host_get_consumed_energy(sg_host_t host) {
 184         return surf_host_get_consumed_energy(host);
 185 }
 186
 187 /** @brief Returns the number of power states for a host.
 188  *
 189  *  See also @ref SURF_plugin_energy.
 190  */
 191 int sg_host_get_nb_pstates(sg_host_t host) {
 192         return surf_host_get_nb_pstates(host);
 193 }
 194
 195 /** @brief Gets the pstate at which that host currently runs.
 196  *
 197  *  See also @ref SURF_plugin_energy.
 198  */
 199 int sg_host_get_pstate(sg_host_t host) {
 200         return surf_host_get_pstate(host);
 201 }
 202
 203 namespace simgrid {
 204
 205 Host::Host(std::string id)
 206   : id_(std::move(id))
 207 {
 208 }
 209
 210 Host::~Host()
 211 {
 212 }
 213
 214 Host* Host::find_host(const char* name)
 215 {
 216   return (Host*) xbt_dict_get_or_null(host_list, name);
 217 }
 218
 219 Host* Host::get_host(const char* name)
 220 {
 221   Host* host = find_host(name);
 222   if (host == nullptr) {
 223     host = new Host(name);
 224     xbt_dict_set(host_list, name, host, NULL);
 225   }
 226   return host;
 227 }
 228
 229 }