src/surf/surf_routing.c

   1 /* Copyright (c) 2009, 2010, 2011. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include <pcre.h>               /* regular expression library */
   8
   9 #include "simgrid/platf_interface.h" // platform creation API internal interface
  10
  11 #include "surf_routing_private.h"
  12 #include "surf/surf_routing.h"
  13 #include "surf/surfxml_parse_values.h"
  14
  15 xbt_lib_t host_lib;
  16 int ROUTING_HOST_LEVEL; //Routing level
  17 int     SURF_CPU_LEVEL;         //Surf cpu level
  18 int SURF_WKS_LEVEL;             //Surf workstation level
  19 int SIMIX_HOST_LEVEL;   //Simix level
  20 int     MSG_HOST_LEVEL;         //Msg level
  21 int     SD_HOST_LEVEL;          //Simdag level
  22 int     COORD_HOST_LEVEL;       //Coordinates level
  23 int NS3_HOST_LEVEL;             //host node for ns3
  24
  25 xbt_lib_t link_lib;
  26 int SD_LINK_LEVEL;              //Simdag level
  27 int SURF_LINK_LEVEL;    //Surf level
  28 int NS3_LINK_LEVEL;             //link for ns3
  29
  30 xbt_lib_t as_router_lib;
  31 int ROUTING_ASR_LEVEL;  //Routing level
  32 int COORD_ASR_LEVEL;    //Coordinates level
  33 int NS3_ASR_LEVEL;              //host node for ns3
  34
  35 static xbt_dict_t patterns = NULL;
  36 static xbt_dict_t random_value = NULL;
  37
  38 /* Global vars */
  39 routing_global_t global_routing = NULL;
  40 routing_component_t current_routing = NULL;
  41 model_type_t current_routing_model = NULL;
  42
  43 /* global parse functions */
  44 xbt_dynar_t link_list = NULL;    /* temporary store of current list link of a route */
  45 static const char *src = NULL;        /* temporary store the source name of a route */
  46 static const char *dst = NULL;        /* temporary store the destination name of a route */
  47 static char *gw_src = NULL;     /* temporary store the gateway source name of a route */
  48 static char *gw_dst = NULL;     /* temporary store the gateway destination name of a route */
  49 static double_f_cpvoid_t get_link_latency = NULL;
  50 xbt_dict_t cluster_host_link = NULL; /* for tag cluster */
  51
  52 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
  53
  54 static void routing_parse_Speer(void);          /* peer bypass */
  55 static void routing_parse_Srandom(void);        /* random bypass */
  56 static void routing_parse_Erandom(void);        /* random bypass */
  57
  58 static char* replace_random_parameter(char * chaine);
  59 static void clean_routing_after_parse(void);
  60
  61 /* this lines are only for replace use like index in the model table */
  62 typedef enum {
  63   SURF_MODEL_FULL = 0,
  64   SURF_MODEL_FLOYD,
  65   SURF_MODEL_DIJKSTRA,
  66   SURF_MODEL_DIJKSTRACACHE,
  67   SURF_MODEL_NONE,
  68   SURF_MODEL_RULEBASED,
  69   SURF_MODEL_VIVALDI,
  70   SURF_MODEL_CLUSTER
  71 } e_routing_types;
  72
  73 struct s_model_type routing_models[] = { {"Full",
  74                                           "Full routing data (fast, large memory requirements, fully expressive)",
  75                                           model_full_create,
  76                                           model_full_load,
  77                                           model_full_unload,
  78                                           model_full_end},
  79 {"Floyd",
  80  "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
  81  model_floyd_create, model_floyd_load, model_floyd_unload,
  82  model_floyd_end},
  83 {"Dijkstra",
  84  "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
  85  model_dijkstra_create, model_dijkstra_both_load,
  86  model_dijkstra_both_unload, model_dijkstra_both_end},
  87 {"DijkstraCache",
  88  "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
  89  model_dijkstracache_create, model_dijkstra_both_load,
  90  model_dijkstra_both_unload, model_dijkstra_both_end},
  91 {"none", "No routing (usable with Constant network only)",
  92  model_none_create, model_none_load, model_none_unload, model_none_end},
  93 {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create,
  94  model_rulebased_load, model_rulebased_unload, model_rulebased_end},
  95 {"Vivaldi", "Vivaldi routing", model_rulebased_create,
  96   model_rulebased_load, model_rulebased_unload, model_rulebased_end},
  97 {"Cluster", "Cluster routing", model_cluster_create,
  98   model_rulebased_load, model_rulebased_unload, model_rulebased_end},
  99 {NULL, NULL, NULL, NULL, NULL, NULL}
 100 };
 101
 102 static double euclidean_dist_comp(int index, xbt_dynar_t src, xbt_dynar_t dst)
 103 {
 104         double src_coord, dst_coord;
 105
 106         src_coord = atof(xbt_dynar_get_as(src, index, char *));
 107         dst_coord = atof(xbt_dynar_get_as(dst, index, char *));
 108
 109         return (src_coord-dst_coord)*(src_coord-dst_coord);
 110
 111 }
 112
 113 static double base_vivaldi_get_latency (const char *src, const char *dst)
 114 {
 115   double euclidean_dist;
 116   xbt_dynar_t src_ctn, dst_ctn;
 117   src_ctn = xbt_lib_get_or_null(host_lib, src, COORD_HOST_LEVEL);
 118   if(!src_ctn) src_ctn = xbt_lib_get_or_null(as_router_lib, src, COORD_ASR_LEVEL);
 119   dst_ctn = xbt_lib_get_or_null(host_lib, dst, COORD_HOST_LEVEL);
 120   if(!dst_ctn) dst_ctn = xbt_lib_get_or_null(as_router_lib, dst, COORD_ASR_LEVEL);
 121
 122   if(dst_ctn == NULL || src_ctn == NULL)
 123   xbt_die("Coord src '%s' :%p   dst '%s' :%p",src,src_ctn,dst,dst_ctn);
 124
 125   euclidean_dist = sqrt (euclidean_dist_comp(0,src_ctn,dst_ctn)+euclidean_dist_comp(1,src_ctn,dst_ctn))
 126                                  + fabs(atof(xbt_dynar_get_as(src_ctn, 2, char *)))+fabs(atof(xbt_dynar_get_as(dst_ctn, 2, char *)));
 127
 128   xbt_assert(euclidean_dist>=0, "Euclidean Dist is less than 0\"%s\" and \"%.2f\"", src, euclidean_dist);
 129
 130   //From .ms to .s
 131   return euclidean_dist / 1000;
 132 }
 133
 134 static double vivaldi_get_link_latency (routing_component_t rc,const char *src, const char *dst, route_extended_t e_route)
 135 {
 136   if(get_network_element_type(src) == SURF_NETWORK_ELEMENT_AS) {
 137           int need_to_clean = e_route?0:1;
 138           double latency;
 139           e_route = e_route?e_route:(*(rc->get_route)) (rc, src, dst);
 140           latency = base_vivaldi_get_latency(e_route->src_gateway,e_route->dst_gateway);
 141           if(need_to_clean) generic_free_extended_route(e_route);
 142           return latency;
 143   } else {
 144           return base_vivaldi_get_latency(src,dst);
 145   }
 146 }
 147
 148 /**
 149  * \brief Add a "host" to the network element list
 150  */
 151 static void parse_S_host(const char *host_id, const char* coord)
 152 {
 153   network_element_info_t info = NULL;
 154   if (current_routing->hierarchy == SURF_ROUTING_NULL)
 155     current_routing->hierarchy = SURF_ROUTING_BASE;
 156   xbt_assert(!xbt_lib_get_or_null(host_lib, host_id,ROUTING_HOST_LEVEL),
 157               "Reading a host, processing unit \"%s\" already exists",
 158               host_id);
 159   xbt_assert(current_routing->set_processing_unit,
 160               "no defined method \"set_processing_unit\" in \"%s\"",
 161               current_routing->name);
 162   (*(current_routing->set_processing_unit)) (current_routing, host_id);
 163   info = xbt_new0(s_network_element_info_t, 1);
 164   info->rc_component = current_routing;
 165   info->rc_type = SURF_NETWORK_ELEMENT_HOST;
 166   xbt_lib_set(host_lib,host_id,ROUTING_HOST_LEVEL,(void *) info);
 167   if (strcmp(coord,"")) {
 168         if(!COORD_HOST_LEVEL) xbt_die("To use coordinates, you must set configuration 'coordinates' to 'yes'");
 169     xbt_dynar_t ctn = xbt_str_split_str(coord, " ");
 170     xbt_dynar_shrink(ctn, 0);
 171     xbt_lib_set(host_lib,host_id,COORD_HOST_LEVEL,(void *) ctn);
 172   }
 173 }
 174
 175 static void parse_E_host(void)
 176 {
 177          xbt_dict_cursor_t cursor = NULL;
 178           char *key;
 179           char *elem;
 180
 181           xbt_dict_foreach(current_property_set, cursor, key, elem) {
 182                   XBT_DEBUG("property : %s = %s",key,elem);
 183                 }
 184 }
 185
 186 /*
 187  * \brief Add a host to the network element list from XML
 188  */
 189 static void parse_S_host_XML(sg_platf_host_cbarg_t h)
 190 {
 191         parse_S_host(h->V_host_id, h->V_host_coord);
 192 }
 193 static void parse_E_host_XML(void)
 194 {
 195         parse_E_host();
 196 }
 197
 198 /*
 199  * \brief Add a host to the network element list from lua script
 200  */
 201 static void parse_S_host_lua(const char *host_id, const char *coord)
 202 {
 203   parse_S_host(host_id, coord);
 204 }
 205
 206
 207 /**
 208  * \brief Add a "router" to the network element list
 209  */
 210 static void parse_S_router(sg_platf_router_cbarg_t router)
 211 {
 212   network_element_info_t info = NULL;
 213   if (current_routing->hierarchy == SURF_ROUTING_NULL)
 214     current_routing->hierarchy = SURF_ROUTING_BASE;
 215   xbt_assert(!xbt_lib_get_or_null(as_router_lib,router->V_router_id, ROUTING_ASR_LEVEL),
 216               "Reading a router, processing unit \"%s\" already exists",
 217               router->V_router_id);
 218   xbt_assert(current_routing->set_processing_unit,
 219               "no defined method \"set_processing_unit\" in \"%s\"",
 220               current_routing->name);
 221   (*(current_routing->set_processing_unit)) (current_routing,
 222                   router->V_router_id);
 223   info = xbt_new0(s_network_element_info_t, 1);
 224   info->rc_component = current_routing;
 225   info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
 226
 227   xbt_lib_set(as_router_lib,router->V_router_id,ROUTING_ASR_LEVEL,(void *) info);
 228   if (strcmp(A_surfxml_router_coordinates,"")) {
 229         if(!COORD_ASR_LEVEL) xbt_die("To use coordinates, you must set configuration 'coordinates' to 'yes'");
 230     xbt_dynar_t ctn = xbt_str_split_str(A_surfxml_router_coordinates, " ");
 231     xbt_dynar_shrink(ctn, 0);
 232     xbt_lib_set(as_router_lib,router->V_router_id,COORD_ASR_LEVEL,(void *) ctn);
 233   }
 234 }
 235
 236 /**
 237  * brief Add a "router" to the network element list from XML description
 238  */
 239 static void parse_S_router_lua(const char* router_id) {
 240   s_sg_platf_router_cbarg_t router;
 241   memset(&router,0,sizeof(router));
 242         router.V_router_id = router_id;
 243         router.V_router_coord = "";
 244         return parse_S_router(&router);
 245 }
 246
 247 /**
 248  * \brief Set the endponints for a route
 249  */
 250 static void parse_S_route_new_and_endpoints(const char *src_id, const char *dst_id)
 251 {
 252   if (src != NULL && dst != NULL && link_list != NULL)
 253     THROWF(arg_error, 0, "Route between %s to %s can not be defined",
 254            src_id, dst_id);
 255   src = src_id;
 256   dst = dst_id;
 257   xbt_assert(strlen(src) > 0 || strlen(dst) > 0,
 258               "Some limits are null in the route between \"%s\" and \"%s\"",
 259               src, dst);
 260   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 261 }
 262
 263 /**
 264  * \brief Set the endpoints for a route from XML
 265  */
 266 static void parse_S_route_new_and_endpoints_XML(void)
 267 {
 268   parse_S_route_new_and_endpoints(A_surfxml_route_src,
 269                                   A_surfxml_route_dst);
 270 }
 271
 272 /**
 273  * \brief Set the endpoints for a route from lua
 274  */
 275 static void parse_S_route_new_and_endpoints_lua(const char *id_src, const char *id_dst)
 276 {
 277   parse_S_route_new_and_endpoints(id_src, id_dst);
 278 }
 279
 280 /**
 281  * \brief Set the endponints and gateways for a ASroute
 282  */
 283 static void parse_S_ASroute_new_and_endpoints(void)
 284 {
 285   if (src != NULL && dst != NULL && link_list != NULL)
 286     THROWF(arg_error, 0, "Route between %s to %s can not be defined",
 287            A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
 288   src = A_surfxml_ASroute_src;
 289   dst = A_surfxml_ASroute_dst;
 290   gw_src = A_surfxml_ASroute_gw_src;
 291   gw_dst = A_surfxml_ASroute_gw_dst;
 292   xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
 293               || strlen(gw_dst) > 0,
 294               "Some limits are null in the route between \"%s\" and \"%s\"",
 295               src, dst);
 296   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 297 }
 298
 299 /**
 300  * \brief Set the endponints for a bypassRoute
 301  */
 302 static void parse_S_bypassRoute_new_and_endpoints(void)
 303 {
 304   if (src != NULL && dst != NULL && link_list != NULL)
 305     THROWF(arg_error, 0,
 306            "Bypass Route between %s to %s can not be defined",
 307            A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
 308   src = A_surfxml_bypassRoute_src;
 309   dst = A_surfxml_bypassRoute_dst;
 310   gw_src = A_surfxml_bypassRoute_gw_src;
 311   gw_dst = A_surfxml_bypassRoute_gw_dst;
 312   xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
 313               || strlen(gw_dst) > 0,
 314               "Some limits are null in the route between \"%s\" and \"%s\"",
 315               src, dst);
 316   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 317 }
 318
 319 /**
 320  * \brief Set a new link on the actual list of link for a route or ASroute
 321  */
 322 static void parse_E_link_ctn_new_elem(const char *link_id)
 323 {
 324   char *val;
 325   val = xbt_strdup(link_id);
 326   xbt_dynar_push(link_list, &val);
 327 }
 328
 329 /**
 330  * \brief Set a new link on the actual list of link for a route or ASroute from XML
 331  */
 332
 333 static void parse_E_link_ctn_new_elem_XML(void)
 334 {
 335   if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_NONE)
 336     parse_E_link_ctn_new_elem(A_surfxml_link_ctn_id);
 337   if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_UP) {
 338     char *link_id = bprintf("%s_UP", A_surfxml_link_ctn_id);
 339     parse_E_link_ctn_new_elem(link_id);
 340     free(link_id);
 341   }
 342   if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_DOWN) {
 343     char *link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
 344     parse_E_link_ctn_new_elem(link_id);
 345     free(link_id);
 346   }
 347 }
 348
 349 /**
 350  * \brief Set a new link on the actual list of link for a route or ASroute from lua
 351  */
 352 static void parse_E_link_c_ctn_new_elem_lua(const char *link_id)
 353 {
 354   parse_E_link_ctn_new_elem(link_id);
 355 }
 356
 357 /**
 358  * \brief Store the route by calling the set_route function of the current routing component
 359  */
 360 static void parse_E_route_store_route(void)
 361 {
 362   name_route_extended_t route = xbt_new0(s_name_route_extended_t, 1);
 363   route->generic_route.link_list = link_list;
 364   xbt_assert(current_routing->set_route,
 365               "no defined method \"set_route\" in \"%s\"",
 366               current_routing->name);
 367   (*(current_routing->set_route)) (current_routing, src, dst, route);
 368   link_list = NULL;
 369   src = NULL;
 370   dst = NULL;
 371 }
 372
 373 /**
 374  * \brief Store the ASroute by calling the set_ASroute function of the current routing component
 375  */
 376 static void parse_E_ASroute_store_route(void)
 377 {
 378   name_route_extended_t e_route = xbt_new0(s_name_route_extended_t, 1);
 379   e_route->generic_route.link_list = link_list;
 380   e_route->src_gateway = xbt_strdup(gw_src);
 381   e_route->dst_gateway = xbt_strdup(gw_dst);
 382   xbt_assert(current_routing->set_ASroute,
 383               "no defined method \"set_ASroute\" in \"%s\"",
 384               current_routing->name);
 385   (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
 386   link_list = NULL;
 387   src = NULL;
 388   dst = NULL;
 389   gw_src = NULL;
 390   gw_dst = NULL;
 391 }
 392
 393 /**
 394  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
 395  */
 396 static void parse_E_bypassRoute_store_route(void)
 397 {
 398   route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
 399   e_route->generic_route.link_list = link_list;
 400   e_route->src_gateway = xbt_strdup(gw_src);
 401   e_route->dst_gateway = xbt_strdup(gw_dst);
 402   xbt_assert(current_routing->set_bypassroute,
 403               "no defined method \"set_bypassroute\" in \"%s\"",
 404               current_routing->name);
 405   (*(current_routing->set_bypassroute)) (current_routing, src, dst,
 406                                          e_route);
 407   link_list = NULL;
 408   src = NULL;
 409   dst = NULL;
 410   gw_src = NULL;
 411   gw_dst = NULL;
 412 }
 413
 414 /**
 415  * \brief Make a new routing component to the platform
 416  *
 417  * Add a new autonomous system to the platform. Any elements (such as host,
 418  * router or sub-AS) added after this call and before the corresponding call
 419  * to sg_platf_new_AS_close() will be added to this AS.
 420  *
 421  * Once this function was called, the configuration concerning the used
 422  * models cannot be changed anymore.
 423  *
 424  * @param AS_id name of this autonomous system. Must be uniq in the platform
 425  * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
 426  */
 427 void sg_platf_new_AS_open(const char *AS_id, const char *wanted_routing_type)
 428 {
 429   routing_component_t new_routing;
 430   model_type_t model = NULL;
 431   int cpt;
 432
 433   surf_parse_models_setup(); /* ensure that the models are created after the last <config> tag and before the first <AS>-like */
 434
 435   /* search the routing model */
 436   for (cpt = 0; routing_models[cpt].name; cpt++)
 437     if (!strcmp(wanted_routing_type, routing_models[cpt].name))
 438       model = &routing_models[cpt];
 439   /* if its not exist, error */
 440   if (model == NULL) {
 441     fprintf(stderr, "Routing model %s not found. Existing models:\n",
 442             wanted_routing_type);
 443     for (cpt = 0; routing_models[cpt].name; cpt++)
 444         fprintf(stderr, "   %s: %s\n", routing_models[cpt].name,
 445                 routing_models[cpt].desc);
 446     xbt_die(NULL);
 447   }
 448
 449   /* make a new routing component */
 450   new_routing = (routing_component_t) (*(model->create)) ();
 451   new_routing->routing = model;
 452   new_routing->hierarchy = SURF_ROUTING_NULL;
 453   new_routing->name = xbt_strdup(AS_id);
 454   new_routing->routing_sons = xbt_dict_new();
 455
 456   /* Hack for Vivaldi */
 457   if(!strcmp(model->name,"Vivaldi"))
 458         new_routing->get_latency = vivaldi_get_link_latency;
 459
 460   if (current_routing == NULL && global_routing->root == NULL) {
 461
 462     /* it is the first one */
 463     new_routing->routing_father = NULL;
 464     global_routing->root = new_routing;
 465
 466   } else if (current_routing != NULL && global_routing->root != NULL) {
 467
 468     xbt_assert(!xbt_dict_get_or_null
 469                 (current_routing->routing_sons, AS_id),
 470                 "The AS \"%s\" already exists", AS_id);
 471     /* it is a part of the tree */
 472     new_routing->routing_father = current_routing;
 473     /* set the father behavior */
 474     if (current_routing->hierarchy == SURF_ROUTING_NULL)
 475       current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
 476     /* add to the sons dictionary */
 477     xbt_dict_set(current_routing->routing_sons, AS_id,
 478                  (void *) new_routing, NULL);
 479     /* add to the father element list */
 480     (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
 481     /* unload the prev parse rules */
 482     (*(current_routing->routing->unload)) ();
 483
 484   } else {
 485     THROWF(arg_error, 0, "All defined components must be belong to a AS");
 486   }
 487   /* set the new parse rules */
 488   (*(new_routing->routing->load)) ();
 489   /* set the new current component of the tree */
 490   current_routing = new_routing;
 491 }
 492
 493 /**
 494  * \brief Specify that the current description of AS is finished
 495  *
 496  * Once you've declared all the content of your AS, you have to close
 497  * it with this call. Your AS is not usable until you call this function.
 498  *
 499  * @fixme: this call is not as robust as wanted: bad things WILL happen
 500  * if you call it twice for the same AS, or if you forget calling it, or
 501  * even if you add stuff to a closed AS
 502  *
 503  */
 504 void sg_platf_new_AS_close() {
 505
 506   if (current_routing == NULL) {
 507     THROWF(arg_error, 0, "Close an AS, but none was under construction");
 508   } else {
 509     network_element_info_t info = NULL;
 510     xbt_assert(!xbt_lib_get_or_null(as_router_lib,current_routing->name, ROUTING_ASR_LEVEL),
 511                 "The AS \"%s\" already exists",current_routing->name);
 512     info = xbt_new0(s_network_element_info_t, 1);
 513     info->rc_component = current_routing->routing_father;
 514     info->rc_type = SURF_NETWORK_ELEMENT_AS;
 515     xbt_lib_set(as_router_lib,current_routing->name,ROUTING_ASR_LEVEL,(void *) info);
 516
 517     (*(current_routing->routing->unload)) ();
 518     (*(current_routing->routing->end)) ();
 519     current_routing = current_routing->routing_father;
 520     if (current_routing != NULL)
 521       (*(current_routing->routing->load)) ();
 522   }
 523 }
 524
 525 /* Aux Business methods */
 526
 527 /**
 528  * \brief Get the AS name of the element
 529  *
 530  * \param name the host name
 531  *
 532  */
 533 static char* elements_As_name(const char *name)
 534 {
 535   routing_component_t as_comp;
 536
 537   /* (1) find the as where the host is located */
 538   as_comp = ((network_element_info_t)
 539             xbt_lib_get_or_null(host_lib,name, ROUTING_HOST_LEVEL))->rc_component;
 540   return as_comp->name;
 541 }
 542
 543
 544 /**
 545  * \brief Get the AS father and the first elements of the chain
 546  *
 547  * \param src the source host name
 548  * \param dst the destination host name
 549  *
 550  * Get the common father of the to processing units, and the first different
 551  * father in the chain
 552  */
 553 static void elements_father(const char *src, const char *dst,
 554                             routing_component_t *res_father,
 555                             routing_component_t *res_src,
 556                             routing_component_t *res_dst)
 557 {
 558   xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
 559 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
 560   routing_component_t src_as, dst_as;
 561   routing_component_t path_src[ELEMENTS_FATHER_MAXDEPTH];
 562   routing_component_t path_dst[ELEMENTS_FATHER_MAXDEPTH];
 563   int index_src = 0;
 564   int index_dst = 0;
 565   routing_component_t current;
 566   routing_component_t current_src;
 567   routing_component_t current_dst;
 568   routing_component_t father;
 569
 570   /* (1) find the as where the src and dst are located */
 571   network_element_info_t src_data = xbt_lib_get_or_null(host_lib, src,
 572                                                         ROUTING_HOST_LEVEL);
 573   network_element_info_t dst_data = xbt_lib_get_or_null(host_lib, dst,
 574                                                         ROUTING_HOST_LEVEL);
 575   if (!src_data)
 576     src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
 577   if (!dst_data)
 578     dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
 579   src_as = src_data->rc_component;
 580   dst_as = dst_data->rc_component;
 581
 582   xbt_assert(src_as && dst_as,
 583              "Ask for route \"from\"(%s) or \"to\"(%s) no found", src, dst);
 584
 585   /* (2) find the path to the root routing component */
 586   for (current = src_as ; current != NULL ; current = current->routing_father) {
 587     if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
 588       xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
 589     path_src[index_src++] = current;
 590   }
 591   for (current = dst_as ; current != NULL ; current = current->routing_father) {
 592     if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
 593       xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
 594     path_dst[index_dst++] = current;
 595   }
 596
 597   /* (3) find the common father */
 598   do {
 599     current_src = path_src[--index_src];
 600     current_dst = path_dst[--index_dst];
 601   } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
 602
 603   /* (4) they are not in the same routing component, make the path */
 604   if (current_src == current_dst)
 605     father = current_src;
 606   else
 607     father = path_src[index_src + 1];
 608
 609   /* (5) result generation */
 610   *res_father = father;         /* first the common father of src and dst */
 611   *res_src = current_src;       /* second the first different father of src */
 612   *res_dst = current_dst;       /* three  the first different father of dst */
 613
 614 #undef ELEMENTS_FATHER_MAXDEPTH
 615 }
 616
 617 /* Global Business methods */
 618
 619 /**
 620  * \brief Recursive function for get_route_latency
 621  *
 622  * \param src the source host name
 623  * \param dst the destination host name
 624  * \param *e_route the route where the links are stored
 625  * \param *latency the latency, if needed
 626  *
 627  * This function is called by "get_route" and "get_latency". It allows to walk
 628  * recursively through the routing components tree.
 629  */
 630 static void _get_route_latency(const char *src, const char *dst,
 631                                xbt_dynar_t *route, double *latency)
 632 {
 633   XBT_DEBUG("Solve route/latency  \"%s\" to \"%s\"", src, dst);
 634   xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
 635
 636   routing_component_t common_father;
 637   routing_component_t src_father;
 638   routing_component_t dst_father;
 639   elements_father(src, dst, &common_father, &src_father, &dst_father);
 640
 641   if (src_father == dst_father) { /* SURF_ROUTING_BASE */
 642
 643     route_extended_t e_route = NULL;
 644     if (route) {
 645       e_route = common_father->get_route(common_father, src, dst);
 646       xbt_assert(e_route, "no route between \"%s\" and \"%s\"", src, dst);
 647       *route = e_route->generic_route.link_list;
 648     }
 649     if (latency) {
 650       *latency = common_father->get_latency(common_father, src, dst, e_route);
 651       xbt_assert(*latency >= 0.0,
 652                  "latency error on route between \"%s\" and \"%s\"", src, dst);
 653     }
 654     if (e_route) {
 655       xbt_free(e_route->src_gateway);
 656       xbt_free(e_route->dst_gateway);
 657       xbt_free(e_route);
 658     }
 659
 660   } else {                      /* SURF_ROUTING_RECURSIVE */
 661
 662     route_extended_t e_route_bypass = NULL;
 663     if (common_father->get_bypass_route)
 664       e_route_bypass = common_father->get_bypass_route(common_father, src, dst);
 665
 666     xbt_assert(!latency || !e_route_bypass,
 667                "Bypass cannot work yet with get_latency");
 668
 669     route_extended_t e_route_cnt = e_route_bypass
 670       ? e_route_bypass
 671       : common_father->get_route(common_father,
 672                                src_father->name, dst_father->name);
 673
 674     xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
 675                src_father->name, dst_father->name);
 676
 677     xbt_assert((e_route_cnt->src_gateway == NULL) ==
 678                (e_route_cnt->dst_gateway == NULL),
 679                "bad gateway for route between \"%s\" and \"%s\"", src, dst);
 680
 681     if (route) {
 682       *route = xbt_dynar_new(global_routing->size_of_link, NULL);
 683     }
 684     if (latency) {
 685       *latency = common_father->get_latency(common_father,
 686                                             src_father->name, dst_father->name,
 687                                             e_route_cnt);
 688       xbt_assert(*latency >= 0.0,
 689                  "latency error on route between \"%s\" and \"%s\"",
 690                  src_father->name, dst_father->name);
 691     }
 692
 693     void *link;
 694     unsigned int cpt;
 695
 696     if (strcmp(src, e_route_cnt->src_gateway)) {
 697       double latency_src;
 698       xbt_dynar_t route_src;
 699
 700       _get_route_latency(src, e_route_cnt->src_gateway,
 701                          (route ? &route_src : NULL),
 702                          (latency ? &latency_src : NULL));
 703       if (route) {
 704         xbt_assert(route_src, "no route between \"%s\" and \"%s\"",
 705                    src, e_route_cnt->src_gateway);
 706         xbt_dynar_foreach(route_src, cpt, link) {
 707           xbt_dynar_push(*route, &link);
 708         }
 709         xbt_dynar_free(&route_src);
 710       }
 711       if (latency) {
 712         xbt_assert(latency_src >= 0.0,
 713                    "latency error on route between \"%s\" and \"%s\"",
 714                    src, e_route_cnt->src_gateway);
 715         *latency += latency_src;
 716       }
 717     }
 718
 719     if (route) {
 720       xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
 721         xbt_dynar_push(*route, &link);
 722       }
 723     }
 724
 725     if (strcmp(e_route_cnt->dst_gateway, dst)) {
 726       double latency_dst;
 727       xbt_dynar_t route_dst;
 728
 729       _get_route_latency(e_route_cnt->dst_gateway, dst,
 730                          (route ? &route_dst : NULL),
 731                          (latency ? &latency_dst : NULL));
 732       if (route) {
 733         xbt_assert(route_dst, "no route between \"%s\" and \"%s\"",
 734                    e_route_cnt->dst_gateway, dst);
 735         xbt_dynar_foreach(route_dst, cpt, link) {
 736           xbt_dynar_push(*route, &link);
 737         }
 738         xbt_dynar_free(&route_dst);
 739       }
 740       if (latency) {
 741         xbt_assert(latency_dst >= 0.0,
 742                    "latency error on route between \"%s\" and \"%s\"",
 743                    e_route_cnt->dst_gateway, dst);
 744         *latency += latency_dst;
 745       }
 746     }
 747
 748     generic_free_extended_route(e_route_cnt);
 749   }
 750 }
 751
 752 /**
 753  * \brief Generic function for get_route, get_route_no_cleanup, and get_latency
 754  */
 755 static void get_route_latency(const char *src, const char *dst,
 756                               xbt_dynar_t *route, double *latency, int cleanup)
 757 {
 758   _get_route_latency(src, dst, route, latency);
 759   xbt_assert(!route || *route, "no route between \"%s\" and \"%s\"", src, dst);
 760   xbt_assert(!latency || *latency >= 0.0,
 761              "latency error on route between \"%s\" and \"%s\"", src, dst);
 762   if (route) {
 763     xbt_dynar_free(&global_routing->last_route);
 764     global_routing->last_route = cleanup ? *route : NULL;
 765   }
 766 }
 767
 768 /**
 769  * \brief Generic method: find a route between hosts
 770  *
 771  * \param src the source host name
 772  * \param dst the destination host name
 773  *
 774  * walk through the routing components tree and find a route between hosts
 775  * by calling the differents "get_route" functions in each routing component.
 776  * No need to free the returned dynar. It will be freed at the next call.
 777  */
 778 static xbt_dynar_t get_route(const char *src, const char *dst)
 779 {
 780   xbt_dynar_t route = NULL;
 781   get_route_latency(src, dst, &route, NULL, 1);
 782   return route;
 783 }
 784
 785 /**
 786  * \brief Generic method: find a route between hosts
 787  *
 788  * \param src the source host name
 789  * \param dst the destination host name
 790  *
 791  * same as get_route, but return NULL if any exception is raised.
 792  */
 793 static xbt_dynar_t get_route_or_null(const char *src, const char *dst)
 794 {
 795   xbt_dynar_t route = NULL;
 796   xbt_ex_t exception;
 797   TRY {
 798     get_route_latency(src, dst, &route, NULL, 1);
 799   }CATCH(exception) {
 800     xbt_ex_free(exception);
 801     return NULL;
 802   }
 803   return route;
 804 }
 805
 806 /**
 807  * \brief Generic method: find a route between hosts
 808  *
 809  * \param src the source host name
 810  * \param dst the destination host name
 811  *
 812  * walk through the routing components tree and find a route between hosts
 813  * by calling the differents "get_route" functions in each routing component.
 814  * Leaves the caller the responsability to clean the returned dynar.
 815  */
 816 static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
 817 {
 818   xbt_dynar_t route = NULL;
 819   get_route_latency(src, dst, &route, NULL, 0);
 820   return route;
 821 }
 822
 823 /*Get Latency*/
 824 static double get_latency(const char *src, const char *dst)
 825 {
 826   double latency = -1.0;
 827   get_route_latency(src, dst, NULL, &latency, 0);
 828   return latency;
 829 }
 830
 831 static int surf_parse_models_setup_already_called=0;
 832 /* Call the last initialization functions, that must be called after the
 833  * <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
 834  */
 835 void surf_parse_models_setup()
 836 {
 837   if (surf_parse_models_setup_already_called)
 838     return;
 839   surf_parse_models_setup_already_called=1;
 840   routing_parse_Erandom();
 841   surf_config_models_setup();
 842 }
 843
 844
 845 /**
 846  * \brief Recursive function for finalize
 847  *
 848  * \param rc the source host name
 849  *
 850  * This fuction is call by "finalize". It allow to finalize the
 851  * AS or routing components. It delete all the structures.
 852  */
 853 static void _finalize(routing_component_t rc)
 854 {
 855   if (rc) {
 856     xbt_dict_cursor_t cursor = NULL;
 857     char *key;
 858     routing_component_t elem;
 859     xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
 860       _finalize(elem);
 861     }
 862     xbt_dict_t tmp_sons = rc->routing_sons;
 863     char *tmp_name = rc->name;
 864     xbt_dict_free(&tmp_sons);
 865     xbt_free(tmp_name);
 866     xbt_assert(rc->finalize, "no defined method \"finalize\" in \"%s\"",
 867                 current_routing->name);
 868     (*(rc->finalize)) (rc);
 869   }
 870 }
 871
 872 /**
 873  * \brief Generic method: delete all the routing structures
 874  *
 875  * walk through the routing components tree and delete the structures
 876  * by calling the differents "finalize" functions in each routing component
 877  */
 878 static void finalize(void)
 879 {
 880   /* delete recursibly all the tree */
 881   _finalize(global_routing->root);
 882   /* delete last_route */
 883   xbt_dynar_free(&(global_routing->last_route));
 884   /* delete global routing structure */
 885   xbt_free(global_routing);
 886   /* make sure that we will reinit the models while loading the platf once reinited -- HACK but there is no proper surf_routing_init() */
 887   surf_parse_models_setup_already_called = 0;
 888 }
 889
 890 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
 891 {
 892   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
 893
 894   //adding my one link routes
 895   unsigned int cpt;
 896   void *link;
 897   xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
 898   if (onelink_mine) {
 899     xbt_dynar_foreach(onelink_mine, cpt, link) {
 900       xbt_dynar_push(ret, &link);
 901     }
 902   }
 903   //recursing
 904   char *key;
 905   xbt_dict_cursor_t cursor = NULL;
 906   routing_component_t rc_child;
 907   xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
 908     xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
 909     if (onelink_child) {
 910       xbt_dynar_foreach(onelink_child, cpt, link) {
 911         xbt_dynar_push(ret, &link);
 912       }
 913     }
 914   }
 915   return ret;
 916 }
 917
 918 static xbt_dynar_t get_onelink_routes(void)
 919 {
 920   return recursive_get_onelink_routes(global_routing->root);
 921 }
 922
 923 e_surf_network_element_type_t get_network_element_type(const char
 924                                                               *name)
 925 {
 926   network_element_info_t rc = NULL;
 927
 928   rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
 929   if(rc) return rc->rc_type;
 930
 931   rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
 932   if(rc) return rc->rc_type;
 933
 934   return SURF_NETWORK_ELEMENT_NULL;
 935 }
 936
 937 /**
 938  * \brief Generic method: create the global routing schema
 939  *
 940  * Make a global routing structure and set all the parsing functions.
 941  */
 942 void routing_model_create(size_t size_of_links, void *loopback, double_f_cpvoid_t get_link_latency_fun)
 943 {
 944   /* config the uniq global routing */
 945   global_routing = xbt_new0(s_routing_global_t, 1);
 946   global_routing->root = NULL;
 947   global_routing->get_route = get_route;
 948   global_routing->get_route_or_null = get_route_or_null;
 949   global_routing->get_latency = get_latency;
 950   global_routing->get_route_no_cleanup = get_route_no_cleanup;
 951   global_routing->get_onelink_routes = get_onelink_routes;
 952   global_routing->get_route_latency = get_route_latency;
 953   global_routing->get_network_element_type = get_network_element_type;
 954   global_routing->finalize = finalize;
 955   global_routing->loopback = loopback;
 956   global_routing->size_of_link = size_of_links;
 957   global_routing->last_route = NULL;
 958   get_link_latency = get_link_latency_fun;
 959   /* no current routing at moment */
 960   current_routing = NULL;
 961
 962   /* parse generic elements */
 963   sg_platf_host_add_cb(parse_S_host_XML);
 964   surfxml_add_callback(ETag_surfxml_host_cb_list, &parse_E_host_XML);
 965   sg_platf_router_add_cb(parse_S_router);
 966
 967   surfxml_add_callback(STag_surfxml_route_cb_list,
 968                        &parse_S_route_new_and_endpoints_XML);
 969   surfxml_add_callback(STag_surfxml_ASroute_cb_list,
 970                        &parse_S_ASroute_new_and_endpoints);
 971   surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
 972                        &parse_S_bypassRoute_new_and_endpoints);
 973
 974   surfxml_add_callback(ETag_surfxml_link_ctn_cb_list,
 975                        &parse_E_link_ctn_new_elem_XML);
 976
 977   surfxml_add_callback(ETag_surfxml_route_cb_list,
 978                        &parse_E_route_store_route);
 979   surfxml_add_callback(ETag_surfxml_ASroute_cb_list,
 980                        &parse_E_ASroute_store_route);
 981   surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
 982                        &parse_E_bypassRoute_store_route);
 983
 984   surfxml_add_callback(STag_surfxml_cluster_cb_list,
 985                        &routing_parse_Scluster);
 986
 987   surfxml_add_callback(STag_surfxml_peer_cb_list,
 988                          &routing_parse_Speer);
 989
 990   surfxml_add_callback(ETag_surfxml_platform_cb_list,
 991                                                   &clean_routing_after_parse);
 992
 993 #ifdef HAVE_TRACING
 994   instr_routing_define_callbacks();
 995 #endif
 996 }
 997
 998 void surf_parse_add_callback_config(void)
 999 {
1000         surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties_XML);
1001         surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
1002 }
1003
1004 /* ************************************************** */
1005 /* ********** PATERN FOR NEW ROUTING **************** */
1006
1007 /* The minimal configuration of a new routing model need the next functions,
1008  * also you need to set at the start of the file, the new model in the model
1009  * list. Remember keep the null ending of the list.
1010  */
1011 /*** Routing model structure ***/
1012 // typedef struct {
1013 //   s_routing_component_t generic_routing;
1014 //   /* things that your routing model need */
1015 // } s_routing_component_NEW_t,*routing_component_NEW_t;
1016
1017 /*** Parse routing model functions ***/
1018 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
1019 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
1020 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
1021 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
1022 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
1023
1024 /*** Business methods ***/
1025 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
1026 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
1027 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
1028
1029 /*** Creation routing model functions ***/
1030 // static void* model_NEW_create(void) {
1031 //   routing_component_NEW_t new_component =  xbt_new0(s_routing_component_NEW_t,1);
1032 //   new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
1033 //   new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
1034 //   new_component->generic_routing.set_route = model_NEW_set_route;
1035 //   new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
1036 //   new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
1037 //   new_component->generic_routing.get_route = NEW_get_route;
1038 //   new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
1039 //   new_component->generic_routing.finalize = NEW_finalize;
1040 //   /* initialization of internal structures */
1041 //   return new_component;
1042 // } /* mandatory */
1043 // static void  model_NEW_load(void) {}   /* mandatory */
1044 // static void  model_NEW_unload(void) {} /* mandatory */
1045 // static void  model_NEW_end(void) {}    /* mandatory */
1046
1047 /* ************************************************************************** */
1048 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
1049
1050 void generic_set_processing_unit(routing_component_t rc,
1051                                         const char *name)
1052 {
1053   XBT_DEBUG("Load process unit \"%s\"", name);
1054   int *id = xbt_new0(int, 1);
1055   xbt_dict_t _to_index;
1056   _to_index = current_routing->to_index;
1057   *id = xbt_dict_length(_to_index);
1058   xbt_dict_set(_to_index, name, id, xbt_free);
1059 }
1060
1061 void generic_set_autonomous_system(routing_component_t rc,
1062                                           const char *name)
1063 {
1064   XBT_DEBUG("Load Autonomous system \"%s\"", name);
1065   int *id = xbt_new0(int, 1);
1066   xbt_dict_t _to_index;
1067   _to_index = current_routing->to_index;
1068   *id = xbt_dict_length(_to_index);
1069   xbt_dict_set(_to_index, name, id, xbt_free);
1070 }
1071
1072 int surf_pointer_resource_cmp(const void *a, const void *b)
1073 {
1074   return a != b;
1075 }
1076
1077 int surf_link_resource_cmp(const void *a, const void *b)
1078 {
1079   return !!memcmp(a,b,global_routing->size_of_link);
1080 }
1081
1082 void generic_set_bypassroute(routing_component_t rc,
1083                                     const char *src, const char *dst,
1084                                     route_extended_t e_route)
1085 {
1086   XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
1087   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
1088   char *route_name;
1089
1090   route_name = bprintf("%s#%s", src, dst);
1091   xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
1092               "Invalid count of links, must be greater than zero (%s,%s)",
1093               src, dst);
1094   xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
1095               "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
1096               src, e_route->src_gateway, dst, e_route->dst_gateway);
1097
1098   route_extended_t new_e_route =
1099       generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
1100   xbt_dynar_free(&(e_route->generic_route.link_list));
1101   xbt_free(e_route);
1102
1103   xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
1104                (void (*)(void *)) generic_free_extended_route);
1105   xbt_free(route_name);
1106 }
1107
1108 /* ************************************************************************** */
1109 /* *********************** GENERIC BUSINESS METHODS ************************* */
1110
1111 double generic_get_link_latency(routing_component_t rc,
1112                                        const char *src, const char *dst,
1113                                        route_extended_t route)
1114 {
1115         int need_to_clean = route?0:1;
1116         void * link;
1117         unsigned int i;
1118         double latency = 0.0;
1119
1120         route = route?route:rc->get_route(rc,src,dst);
1121
1122         xbt_dynar_foreach(route->generic_route.link_list,i,link) {
1123                 latency += get_link_latency(link);
1124         }
1125         if(need_to_clean) generic_free_extended_route(route);
1126   return latency;
1127 }
1128
1129 xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
1130 {
1131   xbt_die("\"generic_get_onelink_routes\" not implemented yet");
1132 }
1133
1134 route_extended_t generic_get_bypassroute(routing_component_t rc,
1135                                                 const char *src,
1136                                                 const char *dst)
1137 {
1138   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
1139   routing_component_t src_as, dst_as;
1140   int index_src, index_dst;
1141   xbt_dynar_t path_src = NULL;
1142   xbt_dynar_t path_dst = NULL;
1143   routing_component_t current = NULL;
1144   routing_component_t *current_src = NULL;
1145   routing_component_t *current_dst = NULL;
1146
1147   /* (1) find the as where the src and dst are located */
1148   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
1149   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
1150   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
1151   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
1152
1153   if(src_data == NULL || dst_data == NULL)
1154           xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1155                      src, dst, rc->name);
1156
1157   src_as = ((network_element_info_t)src_data)->rc_component;
1158   dst_as = ((network_element_info_t)dst_data)->rc_component;
1159
1160   /* (2) find the path to the root routing component */
1161   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
1162   current = src_as;
1163   while (current != NULL) {
1164     xbt_dynar_push(path_src, &current);
1165     current = current->routing_father;
1166   }
1167   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
1168   current = dst_as;
1169   while (current != NULL) {
1170     xbt_dynar_push(path_dst, &current);
1171     current = current->routing_father;
1172   }
1173
1174   /* (3) find the common father */
1175   index_src = path_src->used - 1;
1176   index_dst = path_dst->used - 1;
1177   current_src = xbt_dynar_get_ptr(path_src, index_src);
1178   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1179   while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
1180     xbt_dynar_pop_ptr(path_src);
1181     xbt_dynar_pop_ptr(path_dst);
1182     index_src--;
1183     index_dst--;
1184     current_src = xbt_dynar_get_ptr(path_src, index_src);
1185     current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1186   }
1187
1188   int max_index_src = path_src->used - 1;
1189   int max_index_dst = path_dst->used - 1;
1190
1191   int max_index = max(max_index_src, max_index_dst);
1192   int i, max;
1193
1194   route_extended_t e_route_bypass = NULL;
1195
1196   for (max = 0; max <= max_index; max++) {
1197     for (i = 0; i < max; i++) {
1198       if (i <= max_index_src && max <= max_index_dst) {
1199         char *route_name = bprintf("%s#%s",
1200                                    (*(routing_component_t *)
1201                                     (xbt_dynar_get_ptr
1202                                      (path_src, i)))->name,
1203                                    (*(routing_component_t *)
1204                                     (xbt_dynar_get_ptr
1205                                      (path_dst, max)))->name);
1206         e_route_bypass =
1207             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1208         xbt_free(route_name);
1209       }
1210       if (e_route_bypass)
1211         break;
1212       if (max <= max_index_src && i <= max_index_dst) {
1213         char *route_name = bprintf("%s#%s",
1214                                    (*(routing_component_t *)
1215                                     (xbt_dynar_get_ptr
1216                                      (path_src, max)))->name,
1217                                    (*(routing_component_t *)
1218                                     (xbt_dynar_get_ptr
1219                                      (path_dst, i)))->name);
1220         e_route_bypass =
1221             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1222         xbt_free(route_name);
1223       }
1224       if (e_route_bypass)
1225         break;
1226     }
1227
1228     if (e_route_bypass)
1229       break;
1230
1231     if (max <= max_index_src && max <= max_index_dst) {
1232       char *route_name = bprintf("%s#%s",
1233                                  (*(routing_component_t *)
1234                                   (xbt_dynar_get_ptr
1235                                    (path_src, max)))->name,
1236                                  (*(routing_component_t *)
1237                                   (xbt_dynar_get_ptr
1238                                    (path_dst, max)))->name);
1239       e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1240       xbt_free(route_name);
1241     }
1242     if (e_route_bypass)
1243       break;
1244   }
1245
1246   xbt_dynar_free(&path_src);
1247   xbt_dynar_free(&path_dst);
1248
1249   route_extended_t new_e_route = NULL;
1250
1251   if (e_route_bypass) {
1252     void *link;
1253     unsigned int cpt = 0;
1254     new_e_route = xbt_new0(s_route_extended_t, 1);
1255     new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
1256     new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
1257     new_e_route->generic_route.link_list =
1258         xbt_dynar_new(global_routing->size_of_link, NULL);
1259     xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
1260       xbt_dynar_push(new_e_route->generic_route.link_list, &link);
1261     }
1262   }
1263
1264   return new_e_route;
1265 }
1266
1267 /* ************************************************************************** */
1268 /* ************************* GENERIC AUX FUNCTIONS ************************** */
1269
1270 route_t
1271 generic_new_route(e_surf_routing_hierarchy_t hierarchy,
1272                            void *data, int order)
1273 {
1274
1275   char *link_name;
1276   route_t new_route;
1277   unsigned int cpt;
1278   xbt_dynar_t links = NULL, links_id = NULL;
1279
1280   new_route = xbt_new0(s_route_t, 1);
1281   new_route->link_list =
1282       xbt_dynar_new(global_routing->size_of_link, NULL);
1283
1284   xbt_assert(hierarchy == SURF_ROUTING_BASE,
1285               "the hierarchy type is not SURF_ROUTING_BASE");
1286
1287   links = ((route_t) data)->link_list;
1288
1289
1290   links_id = new_route->link_list;
1291
1292   xbt_dynar_foreach(links, cpt, link_name) {
1293
1294     void *link =
1295                 xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1296     if (link) {
1297       if (order)
1298         xbt_dynar_push(links_id, &link);
1299       else
1300         xbt_dynar_unshift(links_id, &link);
1301     } else
1302       THROWF(mismatch_error, 0, "Link %s not found", link_name);
1303   }
1304
1305   return new_route;
1306 }
1307
1308 route_extended_t
1309 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
1310                            void *data, int order)
1311 {
1312
1313   char *link_name;
1314   route_extended_t e_route, new_e_route;
1315   route_t route;
1316   unsigned int cpt;
1317   xbt_dynar_t links = NULL, links_id = NULL;
1318
1319   new_e_route = xbt_new0(s_route_extended_t, 1);
1320   new_e_route->generic_route.link_list =
1321       xbt_dynar_new(global_routing->size_of_link, NULL);
1322   new_e_route->src_gateway = NULL;
1323   new_e_route->dst_gateway = NULL;
1324
1325   xbt_assert(hierarchy == SURF_ROUTING_BASE
1326               || hierarchy == SURF_ROUTING_RECURSIVE,
1327               "the hierarchy type is not defined");
1328
1329   if (hierarchy == SURF_ROUTING_BASE) {
1330
1331     route = (route_t) data;
1332     links = route->link_list;
1333
1334   } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
1335
1336     e_route = (route_extended_t) data;
1337     xbt_assert(e_route->src_gateway
1338                 && e_route->dst_gateway, "bad gateway, is null");
1339     links = e_route->generic_route.link_list;
1340
1341     /* remeber not erase the gateway names */
1342     new_e_route->src_gateway = strdup(e_route->src_gateway);
1343     new_e_route->dst_gateway = strdup(e_route->dst_gateway);
1344   }
1345
1346   links_id = new_e_route->generic_route.link_list;
1347
1348   xbt_dynar_foreach(links, cpt, link_name) {
1349
1350     void *link =
1351                 xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1352     if (link) {
1353       if (order)
1354         xbt_dynar_push(links_id, &link);
1355       else
1356         xbt_dynar_unshift(links_id, &link);
1357     } else
1358       THROWF(mismatch_error, 0, "Link %s not found", link_name);
1359   }
1360
1361   return new_e_route;
1362 }
1363
1364 void generic_free_route(route_t route)
1365 {
1366   if (route) {
1367     xbt_dynar_free(&(route->link_list));
1368     xbt_free(route);
1369   }
1370 }
1371
1372 void generic_free_extended_route(route_extended_t e_route)
1373 {
1374   if (e_route) {
1375     xbt_dynar_free(&(e_route->generic_route.link_list));
1376     if (e_route->src_gateway)
1377       xbt_free(e_route->src_gateway);
1378     if (e_route->dst_gateway)
1379       xbt_free(e_route->dst_gateway);
1380     xbt_free(e_route);
1381   }
1382 }
1383
1384 static routing_component_t generic_as_exist(routing_component_t find_from,
1385                                             routing_component_t to_find)
1386 {
1387   //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1388   xbt_dict_cursor_t cursor = NULL;
1389   char *key;
1390   int found = 0;
1391   routing_component_t elem;
1392   xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
1393     if (to_find == elem || generic_as_exist(elem, to_find)) {
1394       found = 1;
1395       break;
1396     }
1397   }
1398   if (found)
1399     return to_find;
1400   return NULL;
1401 }
1402
1403 routing_component_t
1404 generic_autonomous_system_exist(routing_component_t rc, char *element)
1405 {
1406   //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1407   routing_component_t element_as, result, elem;
1408   xbt_dict_cursor_t cursor = NULL;
1409   char *key;
1410   element_as = ((network_element_info_t)
1411                 xbt_lib_get_or_null(as_router_lib, element, ROUTING_ASR_LEVEL))->rc_component;
1412   result = ((routing_component_t) - 1);
1413   if (element_as != rc)
1414     result = generic_as_exist(rc, element_as);
1415
1416   int found = 0;
1417   if (result) {
1418     xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
1419       found = !strcmp(elem->name, element);
1420       if (found)
1421         break;
1422     }
1423     if (found)
1424       return element_as;
1425   }
1426   return NULL;
1427 }
1428
1429 routing_component_t
1430 generic_processing_units_exist(routing_component_t rc, char *element)
1431 {
1432   routing_component_t element_as;
1433   element_as = ((network_element_info_t)
1434                 xbt_lib_get_or_null(host_lib,
1435                  element, ROUTING_HOST_LEVEL))->rc_component;
1436   if (element_as == rc)
1437     return element_as;
1438   return generic_as_exist(rc, element_as);
1439 }
1440
1441 void generic_src_dst_check(routing_component_t rc, const char *src,
1442                                   const char *dst)
1443 {
1444
1445   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
1446   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
1447   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
1448   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
1449
1450   if(src_data == NULL || dst_data == NULL)
1451           xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1452                      src, dst, rc->name);
1453
1454   routing_component_t src_as = ((network_element_info_t)src_data)->rc_component;
1455   routing_component_t dst_as = ((network_element_info_t)dst_data)->rc_component;
1456
1457   if(src_as != dst_as)
1458           xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
1459               src, src_as->name, dst, dst_as->name);
1460   if(rc != dst_as)
1461          xbt_die("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
1462      src,dst,src_as->name, dst_as->name,rc->name);
1463 }
1464
1465 void routing_parse_Scluster(void)
1466 {
1467   if(!cluster_host_link)
1468           cluster_host_link = xbt_dict_new();
1469
1470   static int AX_ptr = 0;
1471   char *host_id, *groups, *link_id = NULL;
1472
1473   s_sg_platf_host_cbarg_t host;
1474
1475   if( strcmp(struct_cluster->V_cluster_availability_file,"")
1476           || strcmp(struct_cluster->V_cluster_state_file,"") )
1477   {
1478           if(xbt_dict_size(patterns)==0)
1479                   patterns = xbt_dict_new();
1480           xbt_dict_set(patterns,"id",struct_cluster->V_cluster_id,NULL);
1481           xbt_dict_set(patterns,"prefix",struct_cluster->V_cluster_prefix,NULL);
1482           xbt_dict_set(patterns,"suffix",struct_cluster->V_cluster_suffix,NULL);
1483   }
1484
1485   unsigned int iter;
1486   int start, end, i;
1487   xbt_dynar_t radical_elements;
1488   xbt_dynar_t radical_ends;
1489
1490   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1491   static unsigned int surfxml_buffer_stack_stack[1024];
1492
1493   surfxml_buffer_stack_stack[0] = 0;
1494   surfxml_bufferstack_push(1);
1495
1496   SURFXML_BUFFER_SET(AS_id, struct_cluster->V_cluster_id);
1497   SURFXML_BUFFER_SET(AS_routing, "Cluster");
1498   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", struct_cluster->V_cluster_id);
1499   SURFXML_START_TAG(AS);
1500
1501   //Make all hosts
1502   radical_elements = xbt_str_split(struct_cluster->V_cluster_radical, ",");
1503   xbt_dynar_foreach(radical_elements, iter, groups) {
1504     memset(&host,0,sizeof(host));
1505
1506     radical_ends = xbt_str_split(groups, "-");
1507     switch (xbt_dynar_length(radical_ends)) {
1508     case 1:
1509                 start=surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1510                 host_id = bprintf("%s%d%s", struct_cluster->V_cluster_prefix, start, struct_cluster->V_cluster_suffix);
1511                 link_id = bprintf("%s_link_%d", struct_cluster->V_cluster_id, start);
1512
1513                 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, struct_cluster->S_cluster_power);
1514                 host.V_host_id = host_id;
1515                 if(strcmp(struct_cluster->V_cluster_availability_file,"")){
1516                   xbt_dict_set(patterns, "radical", bprintf("%d", start), xbt_free);
1517                   char* tmp_availability_file = xbt_strdup(struct_cluster->V_cluster_availability_file);
1518                   xbt_str_varsubst(tmp_availability_file,patterns);
1519                   XBT_DEBUG("\tavailability_file=\"%s\"",tmp_availability_file);
1520                   host.V_host_power_trace = tmgr_trace_new(tmp_availability_file);
1521                   xbt_free(tmp_availability_file);
1522                 }
1523                 else
1524                 {
1525                   XBT_DEBUG("\tavailability_file=\"\"");
1526                 }
1527                 if(strcmp(struct_cluster->V_cluster_state_file,"")){
1528                   char *tmp_state_file = xbt_strdup(struct_cluster->V_cluster_state_file);
1529                   xbt_str_varsubst(tmp_state_file,patterns);
1530                   XBT_DEBUG("\tstate_file=\"%s\"",tmp_state_file);
1531                   host.V_host_state_trace = tmgr_trace_new(tmp_state_file);
1532                   xbt_free(tmp_state_file);
1533                 }
1534                 else
1535                 {
1536                   XBT_DEBUG("\tstate_file=\"\"");
1537                 }
1538
1539                 host.V_host_power_peak = struct_cluster->S_cluster_power;
1540                 host.V_host_power_scale = 1.0;
1541                 host.V_host_core = struct_cluster->S_cluster_core;
1542                 host.V_host_state_initial = SURF_RESOURCE_ON;
1543                 host.V_host_coord = "";
1544                 sg_platf_new_host(&host);
1545                 XBT_DEBUG("</host>");
1546
1547                 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1548                 if(struct_cluster->V_cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1549                 {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1550                 if(struct_cluster->V_cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1551                 {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1552
1553                 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,struct_cluster->S_cluster_bw, struct_cluster->S_cluster_lat);
1554
1555                 struct_lnk = xbt_new0(s_surf_parsing_link_arg_t, 1);
1556                 struct_lnk->V_link_id = xbt_strdup(link_id);
1557                 struct_lnk->V_link_bandwidth = struct_cluster->S_cluster_bw;
1558                 struct_lnk->V_link_latency = struct_cluster->S_cluster_lat;
1559                 struct_lnk->V_link_bandwidth_file = NULL;
1560                 struct_lnk->V_link_latency_file = NULL;
1561                 struct_lnk->V_link_state_file = NULL;
1562                 struct_lnk->V_link_state = SURF_RESOURCE_ON;
1563                 struct_lnk->V_link_sharing_policy = A_surfxml_link_sharing_policy;
1564
1565                 if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
1566                         struct_lnk->V_policy_initial_link = SURF_LINK_SHARED;
1567                 else
1568                 {
1569                  if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FATPIPE)
1570                          struct_lnk->V_policy_initial_link = SURF_LINK_FATPIPE;
1571                  else if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FULLDUPLEX)
1572                          struct_lnk->V_policy_initial_link = SURF_LINK_FULLDUPLEX;
1573                 }
1574                 surf_parse_link();
1575
1576                 ETag_surfxml_host();
1577                 ETag_surfxml_link();
1578
1579                 surf_parsing_link_up_down_t info = xbt_new0(s_surf_parsing_link_up_down_t, 1);
1580                 if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FULLDUPLEX){
1581                         char* tmp_link =  bprintf("%s_UP",link_id);
1582                         info->link_up   = xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1583                         free(tmp_link);
1584                         tmp_link =  bprintf("%s_DOWN",link_id);
1585                         info->link_down = xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1586                         free(tmp_link);
1587                 }
1588                 else{
1589                         info->link_up   = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL);
1590                         info->link_down = info->link_up;
1591                 }
1592                 xbt_dict_set(cluster_host_link,host_id,info,xbt_free);
1593                 xbt_free(link_id);
1594                 xbt_free(host_id);
1595
1596                 break;
1597
1598     case 2:
1599
1600       start=surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1601       end=  surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1602       for (i = start; i <= end; i++) {
1603                 host_id = bprintf("%s%d%s", struct_cluster->V_cluster_prefix, i, struct_cluster->V_cluster_suffix);
1604                 link_id = bprintf("%s_link_%d", struct_cluster->V_cluster_id, i);
1605
1606                 A_surfxml_host_state = A_surfxml_host_state_ON;
1607
1608                 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, struct_cluster->S_cluster_power);
1609                 host.V_host_id = host_id;
1610                 if(strcmp(struct_cluster->V_cluster_availability_file,"")){
1611                   xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
1612                   char* tmp_availability_file = xbt_strdup(struct_cluster->V_cluster_availability_file);
1613                   xbt_str_varsubst(tmp_availability_file,patterns);
1614                   XBT_DEBUG("\tavailability_file=\"%s\"",tmp_availability_file);
1615                   host.V_host_power_trace = tmgr_trace_new(tmp_availability_file);
1616                   xbt_free(tmp_availability_file);
1617                 }
1618                 else
1619                 {
1620                   XBT_DEBUG("\tavailability_file=\"\"");
1621                 }
1622                 if(strcmp(struct_cluster->V_cluster_state_file,"")){
1623                   char *tmp_state_file = xbt_strdup(struct_cluster->V_cluster_state_file);
1624                   xbt_str_varsubst(tmp_state_file,patterns);
1625                   XBT_DEBUG("\tstate_file=\"%s\"",tmp_state_file);
1626                   host.V_host_state_trace = tmgr_trace_new(tmp_state_file);
1627                   xbt_free(tmp_state_file);
1628                 }
1629                 else
1630                 {
1631                   XBT_DEBUG("\tstate_file=\"\"");
1632                 }
1633
1634                 host.V_host_power_peak = struct_cluster->S_cluster_power;
1635                 host.V_host_power_scale = 1.0;
1636                 host.V_host_core = struct_cluster->S_cluster_core;
1637                 host.V_host_state_initial = SURF_RESOURCE_ON;
1638                 host.V_host_coord = "";
1639                 sg_platf_new_host(&host);
1640                 XBT_DEBUG("</host>");
1641
1642                 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1643                 if(struct_cluster->V_cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1644                 {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1645                 if(struct_cluster->V_cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1646                 {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1647
1648                 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,struct_cluster->S_cluster_bw, struct_cluster->S_cluster_lat);
1649
1650                 struct_lnk = xbt_new0(s_surf_parsing_link_arg_t, 1);
1651                 struct_lnk->V_link_id = xbt_strdup(link_id);
1652                 struct_lnk->V_link_bandwidth = struct_cluster->S_cluster_bw;
1653                 struct_lnk->V_link_latency = struct_cluster->S_cluster_lat;
1654                 struct_lnk->V_link_bandwidth_file = NULL;
1655                 struct_lnk->V_link_latency_file = NULL;
1656                 struct_lnk->V_link_state_file = NULL;
1657                 struct_lnk->V_link_state = SURF_RESOURCE_ON;
1658                 struct_lnk->V_link_sharing_policy = A_surfxml_link_sharing_policy;
1659
1660                 if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
1661                         struct_lnk->V_policy_initial_link = SURF_LINK_SHARED;
1662                 else
1663                 {
1664                  if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FATPIPE)
1665                          struct_lnk->V_policy_initial_link = SURF_LINK_FATPIPE;
1666                  else if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FULLDUPLEX)
1667                          struct_lnk->V_policy_initial_link = SURF_LINK_FULLDUPLEX;
1668                 }
1669                 surf_parse_link();
1670
1671                 ETag_surfxml_host();
1672                 ETag_surfxml_link();
1673
1674                 surf_parsing_link_up_down_t info = xbt_new0(s_surf_parsing_link_up_down_t, 1);
1675                 if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FULLDUPLEX){
1676                         char* tmp_link =  bprintf("%s_UP",link_id);
1677                         info->link_up   = xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1678                         free(tmp_link);
1679                         tmp_link =  bprintf("%s_DOWN",link_id);
1680                         info->link_down = xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1681                         free(tmp_link);
1682                 }
1683                 else{
1684                         info->link_up   = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL);
1685                         info->link_down = info->link_up;
1686                 }
1687                 xbt_dict_set(cluster_host_link,host_id,info,xbt_free);
1688                 xbt_free(link_id);
1689                 xbt_free(host_id);
1690
1691       }
1692       break;
1693
1694     default:
1695       XBT_DEBUG("Malformed radical");
1696       break;
1697     }
1698
1699     xbt_dynar_free(&radical_ends);
1700   }
1701   xbt_dynar_free(&radical_elements);
1702
1703   //Make the router
1704   XBT_DEBUG(" ");
1705   XBT_DEBUG("<router id=\"%s\"/>", struct_cluster->S_cluster_router_id);
1706   SURFXML_BUFFER_SET(router_id, struct_cluster->S_cluster_router_id);
1707   SURFXML_BUFFER_SET(router_coordinates, "");
1708   SURFXML_START_TAG(router);
1709   SURFXML_END_TAG(router);
1710
1711   //Make the backbone
1712   if( (struct_cluster->S_cluster_bb_bw!= 0)  && (struct_cluster->S_cluster_bb_lat!=0)  ){
1713           char *link_backbone = bprintf("%s_backbone", struct_cluster->V_cluster_id);
1714           XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,struct_cluster->S_cluster_bb_bw, struct_cluster->S_cluster_bb_lat);
1715
1716           A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1717           if(AX_surfxml_cluster_bb_sharing_policy == A_surfxml_cluster_bb_sharing_policy_FATPIPE)
1718           {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1719
1720           struct_lnk = xbt_new0(s_surf_parsing_link_arg_t, 1);
1721           struct_lnk->V_link_id = xbt_strdup(link_backbone);
1722           struct_lnk->V_link_bandwidth = struct_cluster->S_cluster_bb_bw;
1723           struct_lnk->V_link_latency = struct_cluster->S_cluster_bb_lat;
1724           struct_lnk->V_link_bandwidth_file = NULL;
1725           struct_lnk->V_link_latency_file = NULL;
1726           struct_lnk->V_link_state_file = NULL;
1727           struct_lnk->V_link_state = SURF_RESOURCE_ON;
1728           struct_lnk->V_link_sharing_policy = A_surfxml_link_sharing_policy;
1729
1730           if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
1731                   struct_lnk->V_policy_initial_link = SURF_LINK_SHARED;
1732           else
1733                   struct_lnk->V_policy_initial_link = SURF_LINK_FATPIPE;
1734
1735           surf_parse_link();
1736           ETag_surfxml_link();
1737
1738           surf_parsing_link_up_down_t info = xbt_new0(s_surf_parsing_link_up_down_t, 1);
1739           info->link_up   = xbt_lib_get_or_null(link_lib, link_backbone, SURF_LINK_LEVEL);
1740           info->link_down = info->link_up;
1741           xbt_dict_set(cluster_host_link,struct_cluster->V_cluster_id,info,xbt_free);
1742           free(link_backbone);
1743   }
1744
1745   XBT_DEBUG(" ");
1746
1747   char *new_suffix = xbt_strdup("");
1748
1749   radical_elements = xbt_str_split(struct_cluster->V_cluster_suffix, ".");
1750   xbt_dynar_foreach(radical_elements, iter, groups) {
1751     if (strcmp(groups, "")) {
1752       char *old_suffix = new_suffix;
1753       new_suffix = bprintf("%s\\.%s", old_suffix, groups);
1754       free(old_suffix);
1755     }
1756   }
1757
1758   xbt_dynar_free(&radical_elements);
1759   xbt_free(new_suffix);
1760
1761   if( strcmp(struct_cluster->V_cluster_availability_file,"")
1762                   || strcmp(struct_cluster->V_cluster_state_file,"") )
1763           xbt_dict_free(&patterns);
1764
1765   XBT_DEBUG("</AS>");
1766   SURFXML_END_TAG(AS);
1767   XBT_DEBUG(" ");
1768
1769   surfxml_bufferstack_pop(1);
1770 }
1771 /*
1772  * This function take a string and replace parameters from patterns dict.
1773  * It returns the new value.
1774  */
1775 static char* replace_random_parameter(char * string)
1776 {
1777   char *test_string = NULL;
1778
1779   if(xbt_dict_size(random_value)==0)
1780     return string;
1781
1782   string = xbt_str_varsubst(string, patterns); // for patterns of cluster
1783   test_string = bprintf("${%s}", string);
1784   test_string = xbt_str_varsubst(test_string,random_value); //Add ${xxxxx} for random Generator
1785
1786   if (strcmp(test_string,"")) { //if not empty, keep this value.
1787     xbt_free(string);
1788     string = test_string;
1789   } //In other case take old value (without ${})
1790   else
1791         free(test_string);
1792   return string;
1793 }
1794
1795 static void clean_routing_after_parse(void)
1796 {
1797         xbt_dict_free(&random_value);
1798         xbt_dict_free(&patterns);
1799 }
1800
1801 static void routing_parse_Speer(void)
1802 {
1803   static int AX_ptr = 0;
1804   char *host_id = NULL;
1805   char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
1806
1807   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1808   static unsigned int surfxml_buffer_stack_stack[1024];
1809
1810   surfxml_buffer_stack_stack[0] = 0;
1811
1812   surfxml_bufferstack_push(1);
1813
1814   SURFXML_BUFFER_SET(AS_id, struct_peer->V_peer_id);
1815
1816   SURFXML_BUFFER_SET(AS_routing, "Full");
1817   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", struct_peer->V_peer_id);
1818
1819   SURFXML_START_TAG(AS);
1820
1821   XBT_DEBUG(" ");
1822   host_id = bprintf("peer_%s", struct_peer->V_peer_id);
1823   router_id = bprintf("router_%s", struct_peer->V_peer_id);
1824   link_id_up = bprintf("link_%s_up", struct_peer->V_peer_id);
1825   link_id_down = bprintf("link_%s_down", struct_peer->V_peer_id);
1826
1827   link_router = bprintf("%s_link_router", struct_peer->V_peer_id);
1828   link_backbone = bprintf("%s_backbone", struct_peer->V_peer_id);
1829
1830   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, struct_peer->V_peer_power);
1831   A_surfxml_host_state = A_surfxml_host_state_ON;
1832   SURFXML_BUFFER_SET(host_id, host_id);
1833   SURFXML_BUFFER_SET(host_power, struct_peer->V_peer_power);
1834   SURFXML_BUFFER_SET(host_availability, "1.0");
1835   SURFXML_BUFFER_SET(host_availability_file, struct_peer->V_peer_availability_trace);
1836   SURFXML_BUFFER_SET(host_state_file, struct_peer->V_peer_state_trace);
1837   SURFXML_BUFFER_SET(host_coordinates, "");
1838   SURFXML_BUFFER_SET(host_core, "1.0");
1839   SURFXML_START_TAG(host);
1840   SURFXML_END_TAG(host);
1841
1842   XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, struct_peer->V_peer_coord);
1843   SURFXML_BUFFER_SET(router_id, router_id);
1844   SURFXML_BUFFER_SET(router_coordinates, struct_peer->V_peer_coord);
1845   SURFXML_START_TAG(router);
1846   SURFXML_END_TAG(router);
1847
1848   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_up, struct_peer->V_peer_bw_in, struct_peer->V_peer_lat);
1849   A_surfxml_link_state = A_surfxml_link_state_ON;
1850   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1851   SURFXML_BUFFER_SET(link_id, link_id_up);
1852   SURFXML_BUFFER_SET(link_bandwidth, struct_peer->V_peer_bw_in);
1853   SURFXML_BUFFER_SET(link_latency, struct_peer->V_peer_lat);
1854   SURFXML_BUFFER_SET(link_bandwidth_file, "");
1855   SURFXML_BUFFER_SET(link_latency_file, "");
1856   SURFXML_BUFFER_SET(link_state_file, "");
1857   SURFXML_START_TAG(link);
1858   SURFXML_END_TAG(link);
1859
1860   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_down, struct_peer->V_peer_bw_out, struct_peer->V_peer_lat);
1861   A_surfxml_link_state = A_surfxml_link_state_ON;
1862   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1863   SURFXML_BUFFER_SET(link_id, link_id_down);
1864   SURFXML_BUFFER_SET(link_bandwidth, struct_peer->V_peer_bw_out);
1865   SURFXML_BUFFER_SET(link_latency, struct_peer->V_peer_lat);
1866   SURFXML_BUFFER_SET(link_bandwidth_file, "");
1867   SURFXML_BUFFER_SET(link_latency_file, "");
1868   SURFXML_BUFFER_SET(link_state_file, "");
1869   SURFXML_START_TAG(link);
1870   SURFXML_END_TAG(link);
1871
1872   XBT_DEBUG(" ");
1873
1874   // begin here
1875   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", host_id, router_id);
1876   XBT_DEBUG("symmetrical=\"NO\">");
1877   SURFXML_BUFFER_SET(route_src, host_id);
1878   SURFXML_BUFFER_SET(route_dst, router_id);
1879   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1880   SURFXML_START_TAG(route);
1881
1882   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
1883   SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
1884   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1885   SURFXML_START_TAG(link_ctn);
1886   SURFXML_END_TAG(link_ctn);
1887
1888   XBT_DEBUG("</route>");
1889   SURFXML_END_TAG(route);
1890
1891   //Opposite Route
1892   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, host_id);
1893   XBT_DEBUG("symmetrical=\"NO\">");
1894   SURFXML_BUFFER_SET(route_src, router_id);
1895   SURFXML_BUFFER_SET(route_dst, host_id);
1896   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1897   SURFXML_START_TAG(route);
1898
1899   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
1900   SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
1901   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1902   SURFXML_START_TAG(link_ctn);
1903   SURFXML_END_TAG(link_ctn);
1904
1905   XBT_DEBUG("</route>");
1906   SURFXML_END_TAG(route);
1907
1908   XBT_DEBUG("</AS>");
1909   SURFXML_END_TAG(AS);
1910   XBT_DEBUG(" ");
1911
1912   //xbt_dynar_free(&tab_elements_num);
1913         free(host_id);
1914         free(router_id);
1915         free(link_router);
1916         free(link_backbone);
1917         free(link_id_up);
1918         free(link_id_down);
1919   surfxml_bufferstack_pop(1);
1920 }
1921
1922 static void routing_parse_Srandom(void)
1923 {
1924           double mean, std, min, max, seed;
1925           char *random_id = A_surfxml_random_id;
1926           char *random_radical = A_surfxml_random_radical;
1927           char *rd_name = NULL;
1928           char *rd_value;
1929           mean = surf_parse_get_double(A_surfxml_random_mean);
1930           std  = surf_parse_get_double(A_surfxml_random_std_deviation);
1931           min  = surf_parse_get_double(A_surfxml_random_min);
1932           max  = surf_parse_get_double(A_surfxml_random_max);
1933           seed = surf_parse_get_double(A_surfxml_random_seed);
1934
1935           double res = 0;
1936           int i = 0;
1937           random_data_t random = xbt_new0(s_random_data_t, 1);
1938           char *tmpbuf;
1939
1940           xbt_dynar_t radical_elements;
1941           unsigned int iter;
1942           char *groups;
1943           int start, end;
1944           xbt_dynar_t radical_ends;
1945
1946           random->generator = A_surfxml_random_generator;
1947           random->seed = seed;
1948           random->min = min;
1949           random->max = max;
1950
1951           /* Check user stupidities */
1952           if (max < min)
1953             THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
1954           if (mean < min)
1955             THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean,
1956                    min);
1957           if (mean > max)
1958             THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean,
1959                    max);
1960
1961           /* normalize the mean and standard deviation before storing */
1962           random->mean = (mean - min) / (max - min);
1963           random->std = std / (max - min);
1964
1965           if (random->mean * (1 - random->mean) < random->std * random->std)
1966             THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
1967                    random->mean, random->std);
1968
1969           XBT_DEBUG("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
1970           random_id,
1971           random->min,
1972           random->max,
1973           random->mean,
1974           random->std,
1975           random->generator,
1976           random->seed,
1977           random_radical);
1978
1979           if(xbt_dict_size(random_value)==0)
1980                   random_value = xbt_dict_new();
1981
1982           if(!strcmp(random_radical,""))
1983           {
1984                   res = random_generate(random);
1985                   rd_value = bprintf("%f",res);
1986                   xbt_dict_set(random_value, random_id, rd_value, free);
1987           }
1988           else
1989           {
1990                   radical_elements = xbt_str_split(random_radical, ",");
1991                   xbt_dynar_foreach(radical_elements, iter, groups) {
1992                         radical_ends = xbt_str_split(groups, "-");
1993                         switch (xbt_dynar_length(radical_ends)) {
1994                         case 1:
1995                                           xbt_assert(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",random_id);
1996                                           res = random_generate(random);
1997                                           tmpbuf = bprintf("%s%d",random_id,atoi(xbt_dynar_getfirst_as(radical_ends,char *)));
1998                                           xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
1999                                           xbt_free(tmpbuf);
2000                                           break;
2001
2002                         case 2:
2003                               start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
2004                               end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
2005                                           for (i = start; i <= end; i++) {
2006                                                   xbt_assert(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",bprintf("%s%d",random_id,i));
2007                                                   res = random_generate(random);
2008                           tmpbuf = bprintf("%s%d",random_id,i);
2009                                                   xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
2010                           xbt_free(tmpbuf);
2011                                           }
2012                                           break;
2013                         default:
2014                                 XBT_INFO("Malformed radical");
2015                                 break;
2016                         }
2017                         res = random_generate(random);
2018                         rd_name  = bprintf("%s_router",random_id);
2019                         rd_value = bprintf("%f",res);
2020                         xbt_dict_set(random_value, rd_name, rd_value, free);
2021
2022                         xbt_dynar_free(&radical_ends);
2023                   }
2024                   free(rd_name);
2025                   xbt_dynar_free(&radical_elements);
2026           }
2027 }
2028
2029 static void routing_parse_Erandom(void)
2030 {
2031         /*xbt_dict_cursor_t cursor = NULL;
2032         char *key;
2033         char *elem;
2034
2035         xbt_dict_foreach(random_value, cursor, key, elem) {
2036           XBT_DEBUG("%s = %s",key,elem);
2037         }
2038 */
2039 }
2040
2041 /*
2042  * New methods to init the routing model component from the lua script
2043  */
2044
2045
2046 /*
2047  * add a host to the network element list
2048  */
2049
2050 void routing_add_host(const char *host_id)
2051 {
2052   parse_S_host_lua((char *) host_id, (char*)""); // FIXME propagate coordinate system to lua
2053 }
2054
2055 /*
2056  * Set a new link on the actual list of link for a route or ASroute
2057  */
2058 void routing_add_link(const char *link_id)
2059 {
2060   parse_E_link_c_ctn_new_elem_lua((char *) link_id);
2061 }
2062
2063 /*
2064  *Set the endpoints for a route
2065  */
2066 void routing_set_route(const char *src_id, const char *dst_id)
2067 {
2068   parse_S_route_new_and_endpoints_lua(src_id, dst_id);
2069 }
2070
2071 /*
2072  * Store the route by calling parse_E_route_store_route
2073  */
2074 void routing_store_route(void)
2075 {
2076   parse_E_route_store_route();
2077 }