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->getName().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 }
  83
  84 // ========== User data Layer ==========
  85 void *sg_host_user(sg_host_t host) {
  86   return host->extension(USER_HOST_LEVEL);
  87 }
  88 void sg_host_user_set(sg_host_t host, void* userdata) {
  89   host->extension_set(USER_HOST_LEVEL,userdata);
  90 }
  91 void sg_host_user_destroy(sg_host_t host) {
  92   host->extension_set(USER_HOST_LEVEL, nullptr);
  93 }
  94
  95 // ========== MSG Layer ==============
  96 msg_host_priv_t sg_host_msg(sg_host_t host) {
  97         return (msg_host_priv_t) host->extension(MSG_HOST_LEVEL);
  98 }
  99 void sg_host_msg_set(sg_host_t host, msg_host_priv_t smx_host) {
 100   host->extension_set(MSG_HOST_LEVEL, smx_host);
 101 }
 102 void sg_host_msg_destroy(sg_host_t host) {
 103   host->extension_set(MSG_HOST_LEVEL, nullptr);
 104 }
 105 // ========== SimDag Layer ==============
 106 SD_workstation_priv_t sg_host_sd(sg_host_t host) {
 107   return (SD_workstation_priv_t) host->extension(SD_HOST_LEVEL);
 108 }
 109 void sg_host_sd_set(sg_host_t host, SD_workstation_priv_t smx_host) {
 110   host->extension_set(SD_HOST_LEVEL, smx_host);
 111 }
 112 void sg_host_sd_destroy(sg_host_t host) {
 113   host->extension_set(SD_HOST_LEVEL, nullptr);
 114 }
 115
 116 // ========== Simix layer =============
 117 smx_host_priv_t sg_host_simix(sg_host_t host){
 118   return (smx_host_priv_t) host->extension(SIMIX_HOST_LEVEL);
 119 }
 120 void sg_host_simix_set(sg_host_t host, smx_host_priv_t smx_host) {
 121   host->extension_set(SIMIX_HOST_LEVEL, smx_host);
 122 }
 123 void sg_host_simix_destroy(sg_host_t host) {
 124   host->extension_set(SIMIX_HOST_LEVEL, nullptr);
 125 }
 126
 127 // ========== RoutingEdge ============
 128 surf_RoutingEdge *sg_host_edge(sg_host_t host) {
 129         return (surf_RoutingEdge*) host->extension(ROUTING_HOST_LEVEL);
 130 }
 131 void sg_host_edge_set(sg_host_t host, surf_RoutingEdge *edge) {
 132   host->extension_set(ROUTING_HOST_LEVEL, edge);
 133 }
 134 void sg_host_edge_destroy(sg_host_t host, int do_callback) {
 135   host->extension_set(ROUTING_HOST_LEVEL, nullptr, do_callback);
 136 }
 137
 138 // =========== user-level functions ===============
 139 // ================================================
 140 double sg_host_get_speed(sg_host_t host){
 141   return surf_host_get_speed(host, 1.0);
 142 }
 143
 144 double sg_host_get_available_speed(sg_host_t host){
 145   return surf_host_get_available_speed(host);
 146 }
 147 /** @brief Returns the number of core of the processor. */
 148 int sg_host_get_core(sg_host_t host) {
 149         return surf_host_get_core(host);
 150 }
 151 /** @brief Returns the state of a host.
 152  *  @return 1 if the host is active or 0 if it has crashed.
 153  */
 154 int sg_host_get_state(sg_host_t host) {
 155         return surf_host_get_state(surf_host_resource_priv(host));
 156 }
 157
 158 /** @brief Returns the total energy consumed by the host (in Joules).
 159  *
 160  *  See also @ref SURF_plugin_energy.
 161  */
 162 double sg_host_get_consumed_energy(sg_host_t host) {
 163         return surf_host_get_consumed_energy(host);
 164 }
 165
 166 /** @brief Returns the number of power states for a host.
 167  *
 168  *  See also @ref SURF_plugin_energy.
 169  */
 170 int sg_host_get_nb_pstates(sg_host_t host) {
 171         return surf_host_get_nb_pstates(host);
 172 }
 173
 174 /** @brief Gets the pstate at which that host currently runs.
 175  *
 176  *  See also @ref SURF_plugin_energy.
 177  */
 178 int sg_host_get_pstate(sg_host_t host) {
 179         return surf_host_get_pstate(host);
 180 }
 181
 182 namespace simgrid {
 183
 184 Host::Host(std::string const& id)
 185   : name_(id)
 186 {
 187 }
 188
 189 Host::~Host()
 190 {
 191 }
 192
 193 Host* Host::by_name_or_null(const char* name)
 194 {
 195   return (Host*) xbt_dict_get_or_null(host_list, name);
 196 }
 197
 198 Host* Host::by_name_or_create(const char* name)
 199 {
 200   Host* host = by_name_or_null(name);
 201   if (host == nullptr) {
 202     host = new Host(name);
 203     xbt_dict_set(host_list, name, host, NULL);
 204   }
 205   return host;
 206 }
 207
 208 }