src/instr/jedule/jedule_platform.cpp

   1 /* Copyright (c) 2010-2015. 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 <stdlib.h>
   8 #include <string.h>
   9 #include "xbt/asserts.h"
  10 #include "xbt/dynar.h"
  11
  12 #include "simgrid/jedule/jedule_platform.h"
  13
  14 #ifdef HAVE_JEDULE
  15
  16 /********************************************************************/
  17
  18 static xbt_dict_t host2_simgrid_parent_container;
  19 static xbt_dict_t container_name2container;
  20
  21 /********************************************************************/
  22
  23 static void add_subset_to(xbt_dynar_t subset_list, int start, int end,
  24     jed_simgrid_container_t parent);
  25
  26 static void add_subsets_to(xbt_dynar_t subset_list, xbt_dynar_t hostgroup,
  27     jed_simgrid_container_t parent);
  28
  29 static void jed_free_container(jed_simgrid_container_t container);
  30
  31 /********************************************************************/
  32
  33 static int compare_ids(const void *num1, const void *num2) {
  34   int *i1 = (int*) num1;
  35   int *i2 = (int*) num2;
  36   return *i1 - *i2;
  37 }
  38
  39 static void jed_free_container(jed_simgrid_container_t container) {
  40
  41   xbt_dict_free(&container->name2id);
  42   xbt_dynar_free(&container->resource_list);
  43
  44   if( container->container_children != NULL ) {
  45     unsigned int iter;
  46     jed_simgrid_container_t child_container;
  47     xbt_dynar_foreach(container->container_children, iter, child_container) {
  48       jed_free_container(child_container);
  49     }
  50     xbt_dynar_free(&container->container_children);
  51   }
  52
  53   xbt_free(container->name);
  54   xbt_free(container);
  55 }
  56
  57 void jed_simgrid_create_container(jed_simgrid_container_t *container,
  58                                   const char *name)
  59 {
  60   xbt_assert( name != NULL );
  61
  62   *container = xbt_new0(s_jed_simgrid_container_t,1);
  63   (*container)->name = xbt_strdup(name);
  64   (*container)->is_lowest = 0;
  65   (*container)->container_children = xbt_dynar_new(sizeof(jed_simgrid_container_t), NULL);
  66   (*container)->parent = NULL;
  67
  68   xbt_dict_set(container_name2container, (*container)->name, *container, NULL);
  69 }
  70
  71
  72 void jed_simgrid_add_container(jed_simgrid_container_t parent,
  73     jed_simgrid_container_t child) {
  74   xbt_assert(parent != NULL);
  75   xbt_assert(child != NULL);
  76   xbt_dynar_push(parent->container_children, &child);
  77   child->parent = parent;
  78 }
  79
  80 void jed_simgrid_add_resources(jed_simgrid_container_t parent,
  81     xbt_dynar_t host_names) {
  82
  83   unsigned int iter;
  84   char *host_name;
  85   char *buf;
  86
  87   parent->is_lowest = 1;
  88   xbt_dynar_free(&parent->container_children);
  89   parent->container_children = NULL;
  90   parent->name2id = xbt_dict_new_homogeneous(xbt_free_f);
  91   parent->last_id = 0;
  92   parent->resource_list = xbt_dynar_new(sizeof(char *), NULL);
  93
  94   xbt_dynar_sort_strings(host_names);
  95
  96   xbt_dynar_foreach(host_names, iter, host_name) {
  97     buf = bprintf("%d", parent->last_id);
  98     (parent->last_id)++;
  99     xbt_dict_set(parent->name2id, host_name, buf, NULL);
 100     xbt_dict_set(host2_simgrid_parent_container, host_name, parent, NULL);
 101     xbt_dynar_push(parent->resource_list, &host_name);
 102   }
 103
 104 }
 105
 106 static void add_subset_to(xbt_dynar_t subset_list, int start, int end,
 107     jed_simgrid_container_t parent) {
 108
 109   jed_res_subset_t subset;
 110
 111   xbt_assert( subset_list != NULL );
 112   xbt_assert( parent != NULL );
 113
 114   // printf(">>> start=%d end=%d\n", start, end);
 115
 116   subset = xbt_new0(s_jed_res_subset_t,1);
 117   subset->start_idx = start;
 118   subset->nres      = end-start+1;
 119   subset->parent    = parent;
 120
 121   xbt_dynar_push(subset_list, &subset);
 122
 123 }
 124
 125 static void add_subsets_to(xbt_dynar_t subset_list, xbt_dynar_t hostgroup,
 126     jed_simgrid_container_t parent) {
 127
 128   unsigned int iter;
 129   char *host_name;
 130   xbt_dynar_t id_list;
 131   int *id_ar;
 132   int nb_ids;
 133   char *id_str;
 134
 135   // get ids for each host
 136   // sort ids
 137   // compact ids
 138   // create subset for each id group
 139
 140   xbt_assert( host2_simgrid_parent_container != NULL );
 141   xbt_assert( subset_list != NULL );
 142   xbt_assert( hostgroup != NULL );
 143   xbt_assert( parent != NULL );
 144
 145   id_list = xbt_dynar_new(sizeof(char *), NULL);
 146
 147   xbt_dynar_foreach(hostgroup, iter, host_name) {
 148     jed_simgrid_container_t parent;
 149     xbt_assert( host_name != NULL );
 150     parent = (jed_simgrid_container_t)xbt_dict_get(host2_simgrid_parent_container, host_name);
 151     id_str = (char*)xbt_dict_get(parent->name2id, host_name);
 152     xbt_dynar_push(id_list, &id_str);
 153   }
 154
 155   nb_ids = xbt_dynar_length(id_list);
 156   id_ar = xbt_new0(int,nb_ids);
 157   xbt_dynar_foreach(id_list, iter, id_str) {
 158     id_ar[iter] = xbt_str_parse_int(id_str, "Parse error: not a number: %s");
 159   }
 160
 161   qsort (id_ar, nb_ids, sizeof(int), &compare_ids);
 162
 163   if( nb_ids > 0 ) {
 164     int start = 0;
 165     int pos;
 166     int i;
 167
 168     pos = start;
 169     for(i=0; i<nb_ids; i++) {
 170
 171       if( id_ar[i] - id_ar[pos] > 1 ) {
 172
 173         add_subset_to( subset_list, id_ar[start], id_ar[pos], parent );
 174         start = i;
 175
 176         if( i == nb_ids-1 ) {
 177           add_subset_to( subset_list, id_ar[i], id_ar[i], parent );
 178         }
 179
 180       } else {
 181         if( i == nb_ids-1 ) {
 182           add_subset_to( subset_list, id_ar[start], id_ar[i], parent );
 183         }
 184       }
 185
 186       pos = i;
 187     }
 188   }
 189
 190   free(id_ar);
 191   xbt_dynar_free(&id_list);
 192
 193
 194 }
 195
 196 void jed_simgrid_get_resource_selection_by_hosts(xbt_dynar_t subset_list,
 197     xbt_dynar_t host_names) {
 198
 199   char *host_name;
 200   unsigned int iter;
 201   xbt_dict_t parent2hostgroup;  // group hosts by parent
 202
 203   parent2hostgroup = xbt_dict_new_homogeneous(NULL);
 204
 205   xbt_assert( host_names != NULL );
 206
 207   // for each host name
 208   //  find parent container
 209   //  group by parent container
 210
 211   xbt_dynar_foreach(host_names, iter, host_name) {
 212     //printf("checking %s \n", host_name);
 213
 214     jed_simgrid_container_t parent = (jed_simgrid_container_t)xbt_dict_get(host2_simgrid_parent_container, host_name);
 215     xbt_assert( parent != NULL );
 216
 217     xbt_dynar_t hostgroup = (xbt_dynar_t)xbt_dict_get_or_null (parent2hostgroup, parent->name);
 218     if( hostgroup == NULL ) {
 219       hostgroup = xbt_dynar_new(sizeof(char*), NULL);
 220       xbt_dict_set(parent2hostgroup, parent->name, hostgroup, NULL);
 221     }
 222
 223     xbt_dynar_push(hostgroup, &host_name);
 224   }
 225
 226   {
 227     xbt_dict_cursor_t cursor=NULL;
 228     char *parent_name;
 229     xbt_dynar_t hostgroup;
 230     jed_simgrid_container_t parent;
 231
 232     xbt_dict_foreach(parent2hostgroup,cursor,parent_name,hostgroup) {
 233       parent = (jed_simgrid_container_t)xbt_dict_get(container_name2container, parent_name);
 234       // printf("subset parent >>> %s\n", parent->name);
 235       add_subsets_to(subset_list, hostgroup, parent);
 236     }
 237     xbt_dynar_free(&hostgroup);
 238   }
 239
 240   xbt_dict_free(&parent2hostgroup);
 241
 242 }
 243
 244
 245 void jedule_add_meta_info(jedule_t jedule, char *key, char *value) {
 246
 247   char *val_cp;
 248
 249   xbt_assert(key != NULL);
 250   xbt_assert(value != NULL);
 251
 252   val_cp = xbt_strdup(value);
 253   xbt_dict_set(jedule->jedule_meta_info, key, val_cp, NULL);
 254 }
 255
 256 void jed_create_jedule(jedule_t *jedule) {
 257   *jedule = xbt_new0(s_jedule_t,1);
 258   host2_simgrid_parent_container = xbt_dict_new_homogeneous(NULL);
 259   container_name2container       = xbt_dict_new_homogeneous(NULL);
 260   (*jedule)->jedule_meta_info    = xbt_dict_new_homogeneous(NULL);
 261 }
 262
 263 void jed_free_jedule(jedule_t jedule) {
 264
 265   jed_free_container(jedule->root_container);
 266
 267   xbt_dict_free(&jedule->jedule_meta_info);
 268   xbt_free(jedule);
 269
 270   xbt_dict_free(&host2_simgrid_parent_container);
 271   xbt_dict_free(&container_name2container);
 272 }
 273
 274 #endif