+ xbt_dict_t host_dict = xbt_dict_new();
+ xbt_lib_cursor_t cursor = NULL;
+ char *name = NULL;
+ void **host = NULL;
+
+ xbt_lib_foreach(host_lib, cursor, name, host){
+ if(host[SIMIX_HOST_LEVEL])
+ xbt_dict_set(host_dict,name,host[SIMIX_HOST_LEVEL],NULL);
+ }
+ return host_dict;