src/instr/jedule/jedule_platform.c

   1 /*
   2  * jed_simgrid_platform.c
   3  *
   4  *  Created on: Nov 30, 2010
   5  *      Author: sascha
   6  */
   7
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include "xbt/asserts.h"
  11 #include "xbt/dynar.h"
  12
  13 #include "instr/jedule/jedule_platform.h"
  14
  15 #ifdef HAVE_JEDULE
  16
  17 /********************************************************************/
  18
  19 static xbt_dict_t host2_simgrid_parent_container;
  20 static xbt_dict_t container_name2container;
  21
  22 /********************************************************************/
  23
  24 static void add_subset_to(xbt_dynar_t subset_list, int start, int end,
  25     jed_simgrid_container_t parent);
  26
  27 static void add_subsets_to(xbt_dynar_t subset_list, xbt_dynar_t hostgroup,
  28     jed_simgrid_container_t parent);
  29
  30 static void jed_free_container(jed_simgrid_container_t container);
  31
  32 /********************************************************************/
  33
  34 static int compare_hostnames(const void *host1, const void *host2) {
  35   const char *hp1 = *((const char**) host1);
  36   const char *hp2 = *((const char**) host2);
  37   return strcmp (hp1, hp2);
  38 }
  39
  40 static int compare_ids(const void *num1, const void *num2) {
  41   int *i1 = (int*) num1;
  42   int *i2 = (int*) num2;
  43   return *i1 - *i2;
  44 }
  45
  46 static void jed_free_container(jed_simgrid_container_t container) {
  47
  48   xbt_dict_free(&container->name2id);
  49   xbt_dynar_free(&container->resource_list);
  50
  51   if( container->container_children != NULL ) {
  52     unsigned int iter;
  53     jed_simgrid_container_t child_container;
  54     xbt_dynar_foreach(container->container_children, iter, child_container) {
  55       jed_free_container(child_container);
  56     }
  57   }
  58
  59   free(container->name);
  60   free(container);
  61 }
  62
  63 void jed_simgrid_create_container(jed_simgrid_container_t *container, char *name) {
  64   xbt_assert( name != NULL );
  65
  66   *container = xbt_new0(s_jed_simgrid_container_t,1);
  67   (*container)->name = xbt_strdup(name);
  68   (*container)->is_lowest = 0;
  69   (*container)->container_children = xbt_dynar_new(sizeof(jed_simgrid_container_t), NULL);
  70   (*container)->parent = NULL;
  71
  72   xbt_dict_set(container_name2container, (*container)->name, *container, NULL);
  73 }
  74
  75
  76 void jed_simgrid_add_container(jed_simgrid_container_t parent,
  77     jed_simgrid_container_t child) {
  78   xbt_assert(parent != NULL);
  79   xbt_assert(child != NULL);
  80   xbt_dynar_push(parent->container_children, &child);
  81   child->parent = parent;
  82 }
  83
  84 void jed_simgrid_add_resources(jed_simgrid_container_t parent,
  85     xbt_dynar_t host_names) {
  86
  87   unsigned int iter;
  88   char *host_name;
  89   char *buf;
  90
  91   parent->is_lowest = 1;
  92   xbt_dynar_free(&parent->container_children);
  93   parent->container_children = NULL;
  94   parent->name2id = xbt_dict_new_homogeneous(xbt_free);
  95   parent->last_id = 0;
  96   parent->resource_list = xbt_dynar_new(sizeof(char *), NULL);
  97
  98   xbt_dynar_sort (host_names,  &compare_hostnames);
  99
 100   xbt_dynar_foreach(host_names, iter, host_name) {
 101     buf = bprintf("%d", parent->last_id);
 102     (parent->last_id)++;
 103     xbt_dict_set(parent->name2id, host_name, buf, NULL);
 104     xbt_dict_set(host2_simgrid_parent_container, host_name, parent, NULL);
 105     xbt_dynar_push(parent->resource_list, &host_name);
 106   }
 107
 108 }
 109
 110 static void add_subset_to(xbt_dynar_t subset_list, int start, int end,
 111     jed_simgrid_container_t parent) {
 112
 113   jed_res_subset_t subset;
 114
 115   xbt_assert( subset_list != NULL );
 116   xbt_assert( parent != NULL );
 117
 118   // printf(">>> start=%d end=%d\n", start, end);
 119
 120   subset = xbt_new0(s_jed_res_subset_t,1);
 121   subset->start_idx = start;
 122   subset->nres      = end-start+1;
 123   subset->parent    = parent;
 124
 125   xbt_dynar_push(subset_list, &subset);
 126
 127 }
 128
 129 static void add_subsets_to(xbt_dynar_t subset_list, xbt_dynar_t hostgroup,
 130     jed_simgrid_container_t parent) {
 131
 132   unsigned int iter;
 133   char *host_name;
 134   xbt_dynar_t id_list;
 135   int *id_ar;
 136   int nb_ids;
 137   char *id_str;
 138
 139   // get ids for each host
 140   // sort ids
 141   // compact ids
 142   // create subset for each id group
 143
 144   xbt_assert( host2_simgrid_parent_container != NULL );
 145   xbt_assert( subset_list != NULL );
 146   xbt_assert( hostgroup != NULL );
 147   xbt_assert( parent != NULL );
 148
 149   id_list = xbt_dynar_new(sizeof(char *), NULL);
 150
 151   xbt_dynar_foreach(hostgroup, iter, host_name) {
 152     jed_simgrid_container_t parent;
 153     xbt_assert( host_name != NULL );
 154     parent = xbt_dict_get(host2_simgrid_parent_container, host_name);
 155     id_str = xbt_dict_get(parent->name2id, host_name);
 156     xbt_dynar_push(id_list, &id_str);
 157   }
 158
 159   nb_ids = xbt_dynar_length(id_list);
 160   id_ar = xbt_new0(int,nb_ids);
 161   xbt_dynar_foreach(id_list, iter, id_str) {
 162     id_ar[iter] = atoi(id_str);
 163   }
 164
 165   qsort (id_ar, nb_ids, sizeof(int), &compare_ids);
 166
 167   if( nb_ids > 0 ) {
 168     int start = 0;
 169     int pos;
 170     int i;
 171
 172     pos = start;
 173     for(i=0; i<nb_ids; i++) {
 174
 175       if( id_ar[i] - id_ar[pos] > 1 ) {
 176
 177         add_subset_to( subset_list, id_ar[start], id_ar[pos], parent );
 178         start = i;
 179
 180         if( i == nb_ids-1 ) {
 181           add_subset_to( subset_list, id_ar[i], id_ar[i], parent );
 182         }
 183
 184       } else {
 185         if( i == nb_ids-1 ) {
 186           add_subset_to( subset_list, id_ar[start], id_ar[i], parent );
 187         }
 188       }
 189
 190       pos = i;
 191     }
 192   }
 193
 194   free(id_ar);
 195   xbt_dynar_free(&id_list);
 196
 197
 198 }
 199
 200 void jed_simgrid_get_resource_selection_by_hosts(xbt_dynar_t subset_list,
 201     xbt_dynar_t host_names) {
 202
 203   char *host_name;
 204   unsigned int iter;
 205   xbt_dict_t parent2hostgroup;  // group hosts by parent
 206
 207   parent2hostgroup = xbt_dict_new_homogeneous(NULL);
 208
 209   xbt_assert( host_names != NULL );
 210
 211   // for each host name
 212   //  find parent container
 213   //  group by parent container
 214
 215   xbt_dynar_foreach(host_names, iter, host_name) {
 216     jed_simgrid_container_t parent;
 217     xbt_dynar_t hostgroup;
 218
 219     //printf("checking %s \n", host_name);
 220
 221     parent = xbt_dict_get(host2_simgrid_parent_container, host_name);
 222     xbt_assert( parent != NULL );
 223
 224     hostgroup = xbt_dict_get_or_null (parent2hostgroup, parent->name);
 225     if( hostgroup == NULL ) {
 226       hostgroup = xbt_dynar_new(sizeof(char*), NULL);
 227       xbt_dict_set(parent2hostgroup, parent->name, hostgroup, NULL);
 228     }
 229
 230     xbt_dynar_push(hostgroup, &host_name);
 231   }
 232
 233   {
 234     xbt_dict_cursor_t cursor=NULL;
 235     char *parent_name;
 236     xbt_dynar_t hostgroup;
 237     jed_simgrid_container_t parent;
 238
 239     xbt_dict_foreach(parent2hostgroup,cursor,parent_name,hostgroup) {
 240       parent = xbt_dict_get(container_name2container, parent_name);
 241       // printf("subset parent >>> %s\n", parent->name);
 242       add_subsets_to(subset_list, hostgroup, parent);
 243     }
 244
 245   }
 246
 247   xbt_dict_free(&parent2hostgroup);
 248
 249 }
 250
 251
 252 void jedule_add_meta_info(jedule_t jedule, char *key, char *value) {
 253
 254   char *val_cp;
 255
 256   xbt_assert(key != NULL);
 257   xbt_assert(value != NULL);
 258
 259   val_cp = strdup(value);
 260   xbt_dict_set(jedule->jedule_meta_info, key, val_cp, NULL);
 261 }
 262
 263 void jed_create_jedule(jedule_t *jedule) {
 264   *jedule = xbt_new0(s_jedule_t,1);
 265   host2_simgrid_parent_container = xbt_dict_new_homogeneous(NULL);
 266   container_name2container       = xbt_dict_new_homogeneous(NULL);
 267   (*jedule)->jedule_meta_info    = xbt_dict_new_homogeneous(NULL);
 268 }
 269
 270 void jed_free_jedule(jedule_t jedule) {
 271
 272   jed_free_container(jedule->root_container);
 273
 274   xbt_dict_free(&jedule->jedule_meta_info);
 275   free(jedule);
 276
 277   xbt_dict_free(&host2_simgrid_parent_container);
 278   xbt_dict_free(&container_name2container);
 279 }
 280
 281 #endif