src/simgrid/host.cpp

   1 /* Copyright (c) 2013-201. 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 <xbt/Extendable.hpp>
  10 #include <simgrid/s4u/host.hpp>
  11 #include "surf/surf.h" // routing_get_network_element_type FIXME:killme
  12
  13 #include "src/simix/smx_private.hpp"
  14 #include "src/surf/host_interface.hpp"
  15
  16 size_t sg_host_count()
  17 {
  18   return xbt_dict_length(host_list);
  19 }
  20
  21 const char *sg_host_get_name(sg_host_t host)
  22 {
  23         return host->name().c_str();
  24 }
  25
  26 void* sg_host_extension_get(sg_host_t host, size_t ext)
  27 {
  28   return host->extension(ext);
  29 }
  30
  31 size_t sg_host_extension_create(void(*deleter)(void*))
  32 {
  33   return simgrid::s4u::Host::extension_create(deleter);
  34 }
  35
  36 sg_host_t sg_host_by_name(const char *name)
  37 {
  38   return simgrid::s4u::Host::by_name_or_null(name);
  39 }
  40
  41 sg_host_t sg_host_by_name_or_create(const char *name)
  42 {
  43   return simgrid::s4u::Host::by_name_or_create(name);
  44 }
  45
  46 xbt_dynar_t sg_hosts_as_dynar(void)
  47 {
  48         xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t),NULL);
  49
  50   xbt_dict_cursor_t cursor = nullptr;
  51   const char* name = nullptr;
  52   simgrid::s4u::Host* host = nullptr;
  53         xbt_dict_foreach(host_list, cursor, name, host)
  54                 if(routing_get_network_element_type(name) == SURF_NETWORK_ELEMENT_HOST)
  55                         xbt_dynar_push(res, &host);
  56         return res;
  57 }
  58
  59 // ========= Layering madness ==============*
  60
  61 #include "src/msg/msg_private.h" // MSG_host_priv_free. FIXME: killme by initializing that level in msg when used
  62 #include "src/simix/smx_host_private.h" // SIMIX_host_destroy. FIXME: killme by initializing that level in simix when used
  63 #include "src/surf/cpu_interface.hpp"
  64 #include "src/surf/surf_routing.hpp"
  65
  66 void sg_host_init()
  67 {
  68   MSG_HOST_LEVEL = simgrid::s4u::Host::extension_create([](void *p) {
  69     __MSG_host_priv_free((msg_host_priv_t) p);
  70   });
  71
  72   ROUTING_HOST_LEVEL = simgrid::s4u::Host::extension_create([](void *p) {
  73           delete static_cast<simgrid::surf::NetCard*>(p);
  74   });
  75
  76   SD_HOST_LEVEL = simgrid::s4u::Host::extension_create(NULL);
  77   SIMIX_HOST_LEVEL = simgrid::s4u::Host::extension_create(SIMIX_host_destroy);
  78   USER_HOST_LEVEL = simgrid::s4u::Host::extension_create(NULL);
  79 }
  80
  81 // ========== User data Layer ==========
  82 void *sg_host_user(sg_host_t host) {
  83   return host->extension(USER_HOST_LEVEL);
  84 }
  85 void sg_host_user_set(sg_host_t host, void* userdata) {
  86   host->extension_set(USER_HOST_LEVEL,userdata);
  87 }
  88 void sg_host_user_destroy(sg_host_t host) {
  89   host->extension_set(USER_HOST_LEVEL, nullptr);
  90 }
  91
  92 // ========== MSG Layer ==============
  93 msg_host_priv_t sg_host_msg(sg_host_t host) {
  94         return (msg_host_priv_t) host->extension(MSG_HOST_LEVEL);
  95 }
  96 void sg_host_msg_set(sg_host_t host, msg_host_priv_t smx_host) {
  97   host->extension_set(MSG_HOST_LEVEL, smx_host);
  98 }
  99 // ========== SimDag Layer ==============
 100 SD_workstation_priv_t sg_host_sd(sg_host_t host) {
 101   return (SD_workstation_priv_t) host->extension(SD_HOST_LEVEL);
 102 }
 103 void sg_host_sd_set(sg_host_t host, SD_workstation_priv_t smx_host) {
 104   host->extension_set(SD_HOST_LEVEL, smx_host);
 105 }
 106 void sg_host_sd_destroy(sg_host_t host) {
 107   host->extension_set(SD_HOST_LEVEL, nullptr);
 108 }
 109
 110 // ========== Simix layer =============
 111 smx_host_priv_t sg_host_simix(sg_host_t host){
 112   return (smx_host_priv_t) host->extension(SIMIX_HOST_LEVEL);
 113 }
 114 void sg_host_simix_set(sg_host_t host, smx_host_priv_t smx_host) {
 115   host->extension_set(SIMIX_HOST_LEVEL, smx_host);
 116 }
 117 void sg_host_simix_destroy(sg_host_t host) {
 118   host->extension_set(SIMIX_HOST_LEVEL, nullptr);
 119 }
 120
 121 // =========== user-level functions ===============
 122 // ================================================
 123
 124 double sg_host_get_available_speed(sg_host_t host){
 125   return surf_host_get_available_speed(host);
 126 }
 127 /** @brief Returns the state of a host.
 128  *  @return 1 if the host is active or 0 if it has crashed.
 129  */
 130 int sg_host_is_on(sg_host_t host) {
 131         return host->is_on();
 132 }
 133
 134 /** @brief Returns the number of power states for a host.
 135  *
 136  *  See also @ref SURF_plugin_energy.
 137  */
 138 int sg_host_get_nb_pstates(sg_host_t host) {
 139   return host->pstates_count();
 140 }
 141
 142 /** @brief Gets the pstate at which that host currently runs.
 143  *
 144  *  See also @ref SURF_plugin_energy.
 145  */
 146 int sg_host_get_pstate(sg_host_t host) {
 147   return host->pstate();
 148 }
 149 /** @brief Sets the pstate at which that host should run.
 150  *
 151  *  See also @ref SURF_plugin_energy.
 152  */
 153 void sg_host_set_pstate(sg_host_t host,int pstate) {
 154   host->set_pstate(pstate);
 155 }
 156
 157 /** @brief Get the properties of an host */
 158 xbt_dict_t sg_host_get_properties(sg_host_t host) {
 159   return host->properties();
 160 }
 161