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         if( container->resource_list != NULL ) {
  50                 xbt_dynar_free(&container->resource_list);
  51         }
  52
  53         if( container->container_children != NULL ) {
  54                 unsigned int iter;
  55                 jed_simgrid_container_t child_container;
  56                 xbt_dynar_foreach(container->container_children, iter, child_container) {
  57                         jed_free_container(child_container);
  58                 }
  59         }
  60
  61         free(container->name);
  62         free(container);
  63 }
  64
  65 void jed_simgrid_create_container(jed_simgrid_container_t *container, char *name) {
  66         xbt_assert( name != NULL );
  67
  68         *container = (jed_simgrid_container_t)calloc(1,sizeof(s_jed_simgrid_container_t));
  69         (*container)->name = xbt_strdup(name);
  70         (*container)->is_lowest = 0;
  71         (*container)->container_children = xbt_dynar_new(sizeof(jed_simgrid_container_t), NULL);
  72         (*container)->parent = NULL;
  73
  74         xbt_dict_set(container_name2container, (*container)->name, *container, NULL);
  75 }
  76
  77
  78 void jed_simgrid_add_container(jed_simgrid_container_t parent,
  79                 jed_simgrid_container_t child) {
  80         xbt_assert(parent != NULL);
  81         xbt_assert(child != NULL);
  82         xbt_dynar_push(parent->container_children, &child);
  83         child->parent = parent;
  84 }
  85
  86 void jed_simgrid_add_resources(jed_simgrid_container_t parent,
  87                 xbt_dynar_t host_names) {
  88
  89         unsigned int iter;
  90         char *host_name;
  91         char buf[16];
  92         char *buf_copy;
  93
  94         parent->is_lowest = 1;
  95         xbt_dynar_free(&parent->container_children);
  96         parent->container_children = NULL;
  97         parent->name2id = xbt_dict_new();
  98         parent->last_id = 0;
  99         parent->resource_list = xbt_dynar_new(sizeof(char *), NULL);
 100
 101         xbt_dynar_sort (host_names,     &compare_hostnames);
 102
 103         xbt_dynar_foreach(host_names, iter, host_name) {
 104                 buf_copy = strdup(buf);
 105                 sprintf(buf_copy, "%d", parent->last_id);
 106                 (parent->last_id)++;
 107                 xbt_dict_set(parent->name2id, host_name, buf_copy, NULL);
 108                 xbt_dict_set(host2_simgrid_parent_container, host_name, parent, NULL);
 109                 xbt_dynar_push(parent->resource_list, &host_name);
 110         }
 111
 112 }
 113
 114 static void add_subset_to(xbt_dynar_t subset_list, int start, int end,
 115                 jed_simgrid_container_t parent) {
 116
 117         jed_res_subset_t subset;
 118
 119         xbt_assert( subset_list != NULL );
 120         xbt_assert( parent != NULL );
 121
 122         // printf(">>> start=%d end=%d\n", start, end);
 123
 124         subset = (jed_res_subset_t)calloc(1,sizeof(s_jed_res_subset_t));
 125         subset->start_idx = start;
 126         subset->nres      = end-start+1;
 127         subset->parent    = parent;
 128
 129         xbt_dynar_push(subset_list, &subset);
 130
 131 }
 132
 133 static void add_subsets_to(xbt_dynar_t subset_list, xbt_dynar_t hostgroup,
 134                 jed_simgrid_container_t parent) {
 135
 136         unsigned int iter;
 137         char *host_name;
 138         xbt_dynar_t id_list;
 139         int *id_ar;
 140         int nb_ids;
 141         char *id_str;
 142
 143         // get ids for each host
 144         // sort ids
 145         // compact ids
 146         // create subset for each id group
 147
 148         xbt_assert( host2_simgrid_parent_container != NULL );
 149         xbt_assert( subset_list != NULL );
 150         xbt_assert( hostgroup != NULL );
 151         xbt_assert( parent != NULL );
 152
 153         id_list = xbt_dynar_new(sizeof(char *), NULL);
 154
 155         xbt_dynar_foreach(hostgroup, iter, host_name) {
 156                 jed_simgrid_container_t parent;
 157                 xbt_assert( host_name != NULL );
 158                 parent = xbt_dict_get(host2_simgrid_parent_container, host_name);
 159                 id_str = xbt_dict_get(parent->name2id, host_name);
 160                 xbt_dynar_push(id_list, &id_str);
 161         }
 162
 163         nb_ids = xbt_dynar_length(id_list);
 164         id_ar = (int*)calloc(nb_ids, sizeof(int));
 165         xbt_dynar_foreach(id_list, iter, id_str) {
 166                 id_ar[iter] = atoi(id_str);
 167         }
 168
 169         qsort (id_ar, nb_ids, sizeof(int), &compare_ids);
 170
 171         if( nb_ids > 0 ) {
 172                 int start = 0;
 173                 int pos;
 174                 int i;
 175
 176                 pos = start;
 177                 for(i=0; i<nb_ids; i++) {
 178
 179                         if( id_ar[i] - id_ar[pos] > 1 ) {
 180
 181                                 add_subset_to( subset_list, id_ar[start], id_ar[pos], parent );
 182                                 start = i;
 183
 184                                 if( i == nb_ids-1 ) {
 185                                         add_subset_to( subset_list, id_ar[i], id_ar[i], parent );
 186                                 }
 187
 188                         } else {
 189                                 if( i == nb_ids-1 ) {
 190                                         add_subset_to( subset_list, id_ar[start], id_ar[i], parent );
 191                                 }
 192                         }
 193
 194                         pos = i;
 195                 }
 196         }
 197
 198         free(id_ar);
 199         xbt_dynar_free(&id_list);
 200
 201
 202 }
 203
 204 void jed_simgrid_get_resource_selection_by_hosts(xbt_dynar_t subset_list,
 205                 xbt_dynar_t host_names) {
 206
 207         char *host_name;
 208         unsigned int iter;
 209         xbt_dict_t parent2hostgroup;  // group hosts by parent
 210
 211         parent2hostgroup = xbt_dict_new();
 212
 213         xbt_assert( host_names != NULL );
 214
 215         // for each host name
 216         //  find parent container
 217         //  group by parent container
 218
 219         xbt_dynar_foreach(host_names, iter, host_name) {
 220                 jed_simgrid_container_t parent;
 221                 xbt_dynar_t hostgroup;
 222
 223                 //printf("checking %s \n", host_name);
 224
 225                 parent = xbt_dict_get(host2_simgrid_parent_container, host_name);
 226                 xbt_assert( parent != NULL );
 227
 228                 hostgroup = xbt_dict_get_or_null (parent2hostgroup, parent->name);
 229                 if( hostgroup == NULL ) {
 230                         hostgroup = xbt_dynar_new(sizeof(char*), NULL);
 231                         xbt_dict_set(parent2hostgroup, parent->name, hostgroup, NULL);
 232                 }
 233
 234                 xbt_dynar_push(hostgroup, &host_name);
 235         }
 236
 237         {
 238                 xbt_dict_cursor_t cursor=NULL;
 239                 char *parent_name;
 240                 xbt_dynar_t hostgroup;
 241                 jed_simgrid_container_t parent;
 242
 243                 xbt_dict_foreach(parent2hostgroup,cursor,parent_name,hostgroup) {
 244                         parent = xbt_dict_get(container_name2container, parent_name);
 245                         // printf("subset parent >>> %s\n", parent->name);
 246                         add_subsets_to(subset_list, hostgroup, parent);
 247                 }
 248
 249         }
 250
 251         xbt_dict_free(&parent2hostgroup);
 252
 253 }
 254
 255
 256 void jedule_add_meta_info(jedule_t jedule, char *key, char *value) {
 257
 258         char *val_cp;
 259
 260         xbt_assert(key != NULL);
 261         xbt_assert(value != NULL);
 262
 263         val_cp = strdup(value);
 264         xbt_dict_set(jedule->jedule_meta_info, key, val_cp, NULL);
 265 }
 266
 267 void jed_create_jedule(jedule_t *jedule) {
 268         *jedule = (jedule_t)calloc(1,sizeof(s_jedule_t));
 269         host2_simgrid_parent_container = xbt_dict_new();
 270         container_name2container       = xbt_dict_new();
 271         (*jedule)->jedule_meta_info    = xbt_dict_new();
 272 }
 273
 274 void jed_free_jedule(jedule_t jedule) {
 275
 276         jed_free_container(jedule->root_container);
 277
 278         xbt_dict_free(&jedule->jedule_meta_info);
 279         free(jedule);
 280
 281         xbt_dict_free(&host2_simgrid_parent_container);
 282         xbt_dict_free(&container_name2container);
 283 }
 284
 285 #endif