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 "surf/surf.h" // routing_get_network_element_type FIXME:killme
  10
  11 sg_host_t sg_host_by_name(const char *name){
  12   return xbt_lib_get_elm_or_null(host_lib, name);
  13 }
  14
  15 sg_host_t sg_host_by_name_or_create(const char *name) {
  16         sg_host_t res = xbt_lib_get_elm_or_null(host_lib, name);
  17         if (!res) {
  18                 xbt_lib_set(host_lib,name,0,NULL); // Should only create the bucklet with no data added
  19                 res = xbt_lib_get_elm_or_null(host_lib, name);
  20         }
  21         return res;
  22 }
  23 xbt_dynar_t sg_hosts_as_dynar(void) {
  24         xbt_lib_cursor_t cursor;
  25         char *key;
  26         void **data;
  27         xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t),NULL);
  28
  29         xbt_lib_foreach(host_lib, cursor, key, data) {
  30                 if(routing_get_network_element_type(key) == SURF_NETWORK_ELEMENT_HOST) {
  31                         xbt_dictelm_t elm = xbt_dict_cursor_get_elm(cursor);
  32                         xbt_dynar_push(res, &elm);
  33                 }
  34         }
  35         return res;
  36 }
  37
  38 // ========= Layering madness ==============
  39
  40 int MSG_HOST_LEVEL;
  41 int SD_HOST_LEVEL;
  42 int SIMIX_HOST_LEVEL;
  43 int ROUTING_HOST_LEVEL;
  44 int SURF_CPU_LEVEL;
  45
  46
  47 #include "src/msg/msg_private.h" // MSG_host_priv_free. FIXME: killme
  48 #include "src/simdag/private.h" // __SD_workstation_destroy. FIXME: killme
  49 #include "src/simix/smx_host_private.h" // SIMIX_host_destroy. FIXME: killme
  50 #include "src/surf/cpu_interface.hpp"
  51 #include "src/surf/surf_routing.hpp"
  52
  53 static XBT_INLINE void surf_cpu_free(void *r) {
  54   delete static_cast<Cpu*>(r);
  55 }
  56 static XBT_INLINE void routing_asr_host_free(void *p) {
  57   delete static_cast<RoutingEdge*>(p);
  58 }
  59
  60
  61 void sg_host_init() { // FIXME: only add the needed levels
  62   MSG_HOST_LEVEL = xbt_lib_add_level(host_lib, (void_f_pvoid_t) __MSG_host_priv_free);
  63   SD_HOST_LEVEL = xbt_lib_add_level(host_lib,__SD_workstation_destroy);
  64
  65   SIMIX_HOST_LEVEL = xbt_lib_add_level(host_lib,SIMIX_host_destroy);
  66   SURF_CPU_LEVEL = xbt_lib_add_level(host_lib,surf_cpu_free);
  67   ROUTING_HOST_LEVEL = xbt_lib_add_level(host_lib,routing_asr_host_free);
  68 }
  69
  70 // ========== MSG Layer ==============
  71 msg_host_priv_t sg_host_msg(sg_host_t host) {
  72         return (msg_host_priv_t) xbt_lib_get_level(host, MSG_HOST_LEVEL);
  73 }
  74 void sg_host_msg_set(sg_host_t host, msg_host_priv_t smx_host) {
  75           xbt_lib_set(host_lib,host->key,MSG_HOST_LEVEL,smx_host);
  76 }
  77 void sg_host_msg_destroy(sg_host_t host) {
  78           xbt_lib_unset(host_lib,host->key,MSG_HOST_LEVEL,1);
  79 }
  80 // ========== SimDag Layer ==============
  81 SD_workstation_priv_t sg_host_sd(sg_host_t host) {
  82        return (SD_workstation_priv_t) xbt_lib_get_level(host, SD_HOST_LEVEL);
  83 }
  84 void sg_host_sd_set(sg_host_t host, SD_workstation_priv_t smx_host) {
  85          xbt_lib_set(host_lib,host->key,SD_HOST_LEVEL,smx_host);
  86 }
  87 void sg_host_sd_destroy(sg_host_t host) {
  88          xbt_lib_unset(host_lib,host->key,SD_HOST_LEVEL,1);
  89 }
  90
  91 // ========== Simix layer =============
  92 smx_host_priv_t sg_host_simix(sg_host_t host){
  93   return (smx_host_priv_t) xbt_lib_get_level(host, SIMIX_HOST_LEVEL);
  94 }
  95 void sg_host_simix_set(sg_host_t host, smx_host_priv_t smx_host) {
  96         xbt_lib_set(host_lib,host->key,SIMIX_HOST_LEVEL,smx_host);
  97 }
  98 void sg_host_simix_destroy(sg_host_t host) {
  99         xbt_lib_unset(host_lib,host->key,SIMIX_HOST_LEVEL,1);
 100 }
 101
 102 // ========== SURF CPU ============
 103 surf_cpu_t sg_host_surfcpu(sg_host_t host) {
 104         return (surf_cpu_t) xbt_lib_get_level(host, SURF_CPU_LEVEL);
 105 }
 106 void sg_host_surfcpu_set(sg_host_t host, surf_cpu_t cpu) {
 107         xbt_lib_set(host_lib, host->key, SURF_CPU_LEVEL, cpu);
 108 }
 109 void sg_host_surfcpu_destroy(sg_host_t host) {
 110         xbt_lib_unset(host_lib,host->key,SURF_CPU_LEVEL,1);
 111 }
 112 // ========== RoutingEdge ============
 113 RoutingEdge *sg_host_edge(sg_host_t host) {
 114         return (RoutingEdge*) xbt_lib_get_level(host, ROUTING_HOST_LEVEL);
 115 }
 116 void sg_host_edge_set(sg_host_t host, RoutingEdge *edge) {
 117         xbt_lib_set(host_lib, host->key, ROUTING_HOST_LEVEL, edge);
 118 }
 119 void sg_host_edge_destroy(sg_host_t host, int do_callback) {
 120         xbt_lib_unset(host_lib,host->key,ROUTING_HOST_LEVEL,do_callback);
 121 }
 122
 123
 124 // =========== user-level functions ===============
 125 // ================================================
 126 double sg_host_get_speed(sg_host_t host){
 127   return surf_host_get_speed(host, 1.0);
 128 }
 129
 130 double sg_host_get_available_speed(sg_host_t host){
 131   return surf_host_get_available_speed(host);
 132 }
 133 /** @brief Returns the number of core of the processor. */
 134 int sg_host_get_core(sg_host_t host) {
 135         return surf_host_get_core(host);
 136 }
 137 /** @brief Returns the state of a host.
 138  *  @return 1 if the host is active or 0 if it has crashed.
 139  */
 140 int sg_host_get_state(sg_host_t host) {
 141         return surf_host_get_state(surf_host_resource_priv(host));
 142 }
 143
 144 /** @brief Returns the total energy consumed by the host (in Joules).
 145  *
 146  *  See also @ref SURF_plugin_energy.
 147  */
 148 double sg_host_get_consumed_energy(sg_host_t host) {
 149         return surf_host_get_consumed_energy(host);
 150 }
 151
 152 /** @brief Returns the number of power states for a host.
 153  *
 154  *  See also @ref SURF_plugin_energy.
 155  */
 156 int sg_host_get_nb_pstates(sg_host_t host) {
 157         return surf_host_get_nb_pstates(host);
 158 }
 159
 160 /** @brief Gets the pstate at which that host currently runs.
 161  *
 162  *  See also @ref SURF_plugin_energy.
 163  */
 164 int sg_host_get_pstate(sg_host_t host) {
 165         return surf_host_get_pstate(host);
 166 }