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