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 = (jed_simgrid_container_t)calloc(1,sizeof(s_jed_simgrid_container_t));
  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();
  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, xbt_free);
 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 = (jed_res_subset_t)calloc(1,sizeof(s_jed_res_subset_t));
 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 = (int*)calloc(nb_ids, sizeof(int));
 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();
 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 = (jedule_t)calloc(1,sizeof(s_jedule_t));
 265         host2_simgrid_parent_container = xbt_dict_new();
 266         container_name2container       = xbt_dict_new();
 267         (*jedule)->jedule_meta_info    = xbt_dict_new();
 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