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[simgrid.git] / 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_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 = (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_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 = (jedule_t)calloc(1,sizeof(s_jedule_t));
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