src/surf/surf_routing.cpp

   1 /* Copyright (c) 2009, 2010, 2011, 2013. 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 "surf_routing.hpp"
   8 #include "surf_routing_private.hpp"
   9
  10 #include "simgrid/platf_interface.h"    // platform creation API internal interface
  11 #include "simgrid/sg_config.h"
  12
  13 #include "surf/surfxml_parse_values.h"
  14
  15 /**
  16  * @ingroup SURF_build_api
  17  * @brief A library containing all known workstations
  18  */
  19 xbt_lib_t host_lib;
  20
  21 int ROUTING_HOST_LEVEL;         //Routing level
  22 int SURF_CPU_LEVEL;             //Surf cpu level
  23 int SURF_WKS_LEVEL;             //Surf workstation level
  24 int SIMIX_HOST_LEVEL;           //Simix host level
  25 int SIMIX_STORAGE_LEVEL;        //Simix storage level
  26 int MSG_HOST_LEVEL;             //Msg host level
  27 int MSG_STORAGE_LEVEL;          //Msg storage level
  28 int SD_HOST_LEVEL;              //Simdag host level
  29 int SD_STORAGE_LEVEL;           //Simdag storage level
  30 int COORD_HOST_LEVEL=0;         //Coordinates level
  31 int NS3_HOST_LEVEL;             //host node for ns3
  32
  33 /**
  34  * @ingroup SURF_build_api
  35  * @brief A library containing all known links
  36  */
  37 xbt_lib_t link_lib;
  38 int SD_LINK_LEVEL;              //Simdag level
  39 int SURF_LINK_LEVEL;            //Surf level
  40 int NS3_LINK_LEVEL;             //link for ns3
  41
  42 xbt_lib_t as_router_lib;
  43 int ROUTING_ASR_LEVEL;          //Routing level
  44 int COORD_ASR_LEVEL;            //Coordinates level
  45 int NS3_ASR_LEVEL;              //host node for ns3
  46 int ROUTING_PROP_ASR_LEVEL;     //Where the properties are stored
  47
  48 static xbt_dict_t random_value = NULL;
  49
  50
  51 /** @brief Retrieve a routing edge from its name
  52  *
  53  * Routing edges are either CPU/workstation and routers, whatever
  54  */
  55 RoutingEdgePtr sg_routing_edge_by_name_or_null(const char *name) {
  56   RoutingEdgePtr net_elm = (RoutingEdgePtr) xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
  57   if (!net_elm)
  58         net_elm = (RoutingEdgePtr) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
  59   return net_elm;
  60 }
  61
  62 /* Global vars */
  63 RoutingPlatfPtr routing_platf = NULL;
  64 AsPtr current_routing = NULL;
  65
  66 /* global parse functions */
  67 extern xbt_dynar_t mount_list;
  68
  69 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
  70
  71 static void routing_parse_peer(sg_platf_peer_cbarg_t peer);     /* peer bypass */
  72 // static void routing_parse_Srandom(void);        /* random bypass */
  73
  74 static void routing_parse_postparse(void);
  75
  76 /* this lines are only for replace use like index in the model table */
  77 typedef enum {
  78   SURF_MODEL_FULL = 0,
  79   SURF_MODEL_FLOYD,
  80   SURF_MODEL_DIJKSTRA,
  81   SURF_MODEL_DIJKSTRACACHE,
  82   SURF_MODEL_NONE,
  83   SURF_MODEL_VIVALDI,
  84   SURF_MODEL_CLUSTER
  85 } e_routing_types;
  86
  87 struct s_model_type routing_models[] = {
  88   {"Full",
  89    "Full routing data (fast, large memory requirements, fully expressive)",
  90    model_full_create, model_full_end},
  91   {"Floyd",
  92    "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
  93    model_floyd_create, model_floyd_end},
  94   {"Dijkstra",
  95    "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
  96    model_dijkstra_create, model_dijkstra_both_end},
  97   {"DijkstraCache",
  98    "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
  99    model_dijkstracache_create, model_dijkstra_both_end},
 100   {"none", "No routing (Unless you know what you are doing, avoid using this mode in combination with a non Constant network model).",
 101    model_none_create,  NULL},
 102   {"Vivaldi", "Vivaldi routing",
 103    model_vivaldi_create, NULL},
 104   {"Cluster", "Cluster routing",
 105    model_cluster_create, NULL},
 106   {NULL, NULL, NULL, NULL}
 107 };
 108
 109 /**
 110  * \brief Add a "host_link" to the network element list
 111  */
 112 static void parse_S_host_link(sg_platf_host_link_cbarg_t host)
 113 {
 114   RoutingEdgePtr info = static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL));
 115   xbt_assert(info, "Host '%s' not found!", host->id);
 116   xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER] ||
 117       current_routing->p_modelDesc == &routing_models[SURF_MODEL_VIVALDI],
 118       "You have to be in model Cluster to use tag host_link!");
 119
 120   s_surf_parsing_link_up_down_t link_up_down;
 121   link_up_down.link_up = xbt_lib_get_or_null(link_lib, host->link_up, SURF_LINK_LEVEL);
 122   link_up_down.link_down = xbt_lib_get_or_null(link_lib, host->link_down, SURF_LINK_LEVEL);
 123   link_up_down.limiter_link = NULL;
 124   link_up_down.loopback_link = NULL;
 125
 126   xbt_assert(link_up_down.link_up, "Link '%s' not found!",host->link_up);
 127   xbt_assert(link_up_down.link_down, "Link '%s' not found!",host->link_down);
 128
 129   if(!current_routing->p_linkUpDownList)
 130     current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
 131
 132   // If dynar is is greater than edge id and if the host_link is already defined
 133   if((int)xbt_dynar_length(current_routing->p_linkUpDownList) > info->m_id &&
 134       xbt_dynar_get_as(current_routing->p_linkUpDownList, info->m_id, void*))
 135     xbt_die("Host_link for '%s' is already defined!",host->id);
 136
 137   XBT_DEBUG("Push Host_link for host '%s' to position %d", info->p_name, info->m_id);
 138   xbt_dynar_set_as(current_routing->p_linkUpDownList, info->m_id, s_surf_parsing_link_up_down_t, link_up_down);
 139 }
 140
 141 /**
 142  * \brief Add a "host" to the network element list
 143  */
 144 static void parse_S_host(sg_platf_host_cbarg_t host)
 145 {
 146   if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
 147     current_routing->p_hierarchy = SURF_ROUTING_BASE;
 148   xbt_assert(!xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL),
 149              "Reading a host, processing unit \"%s\" already exists", host->id);
 150
 151   RoutingEdgePtr info = new RoutingEdge();
 152   info->p_rcComponent = current_routing;
 153   info->p_rcType = SURF_NETWORK_ELEMENT_HOST;
 154   info->p_name = xbt_strdup(host->id);
 155   info->m_id = current_routing->parsePU(info);
 156   xbt_lib_set(host_lib, host->id, ROUTING_HOST_LEVEL, (void *) info);
 157   XBT_DEBUG("Having set name '%s' id '%d'", host->id, info->m_id);
 158
 159   if(mount_list){
 160     xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
 161     mount_list = NULL;
 162   }
 163
 164   if (host->coord && strcmp(host->coord, "")) {
 165     unsigned int cursor;
 166     char*str;
 167
 168     if (!COORD_HOST_LEVEL)
 169       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 170     /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
 171     xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
 172     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 173     xbt_dynar_foreach(ctn_str,cursor, str) {
 174       double val = atof(str);
 175       xbt_dynar_push(ctn,&val);
 176     }
 177     xbt_dynar_shrink(ctn, 0);
 178     xbt_dynar_free(&ctn_str);
 179     xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn);
 180     XBT_DEBUG("Having set host coordinates for '%s'",host->id);
 181   }
 182 }
 183
 184 /**
 185  * \brief Add a "router" to the network element list
 186  */
 187 static void parse_S_router(sg_platf_router_cbarg_t router)
 188 {
 189   if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
 190     current_routing->p_hierarchy = SURF_ROUTING_BASE;
 191   xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
 192              "Reading a router, processing unit \"%s\" already exists",
 193              router->id);
 194
 195   RoutingEdgePtr info = new RoutingEdge();
 196   info->p_rcComponent = current_routing;
 197   info->p_rcType = SURF_NETWORK_ELEMENT_ROUTER;
 198   info->p_name = xbt_strdup(router->id);
 199   info->m_id = current_routing->parsePU(info);
 200   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
 201   XBT_DEBUG("Having set name '%s' id '%d'", router->id, info->m_id);
 202
 203   if (router->coord && strcmp(router->coord, "")) {
 204     unsigned int cursor;
 205     char*str;
 206
 207     if (!COORD_ASR_LEVEL)
 208       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 209     /* Pre-parse the host coordinates */
 210     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
 211     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 212     xbt_dynar_foreach(ctn_str,cursor, str) {
 213       double val = atof(str);
 214       xbt_dynar_push(ctn,&val);
 215     }
 216     xbt_dynar_shrink(ctn, 0);
 217     xbt_dynar_free(&ctn_str);
 218     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
 219     XBT_DEBUG("Having set router coordinates for '%s'",router->id);
 220   }
 221 }
 222
 223 /**
 224  * \brief Store the route by calling the set_route function of the current routing component
 225  */
 226 static void parse_E_route(sg_platf_route_cbarg_t route)
 227 {
 228   /*FIXME:REMOVE:xbt_assert(current_routing->parse_route,
 229              "no defined method \"set_route\" in \"%s\"",
 230              current_routing->name);*/
 231
 232   current_routing->parseRoute(route);
 233 }
 234
 235 /**
 236  * \brief Store the ASroute by calling the set_ASroute function of the current routing component
 237  */
 238 static void parse_E_ASroute(sg_platf_route_cbarg_t ASroute)
 239 {
 240   /*FIXME:REMOVE:xbt_assert(current_routing->parse_ASroute,
 241              "no defined method \"set_ASroute\" in \"%s\"",
 242              current_routing->name);*/
 243   current_routing->parseASroute(ASroute);
 244 }
 245
 246 /**
 247  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
 248  */
 249 static void parse_E_bypassRoute(sg_platf_route_cbarg_t route)
 250 {
 251   /*FIXME:REMOVE:xbt_assert(current_routing->parse_bypassroute,
 252              "Bypassing mechanism not implemented by routing '%s'",
 253              current_routing->name);*/
 254
 255   current_routing->parseBypassroute(route);
 256 }
 257
 258 /**
 259  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
 260  */
 261 static void parse_E_bypassASroute(sg_platf_route_cbarg_t ASroute)
 262 {
 263   /*FIXME:REMOVE:xbt_assert(current_routing->parse_bypassroute,
 264              "Bypassing mechanism not implemented by routing '%s'",
 265              current_routing->name);*/
 266   current_routing->parseBypassroute(ASroute);
 267 }
 268
 269 static void routing_parse_trace(sg_platf_trace_cbarg_t trace)
 270 {
 271   tmgr_trace_t tmgr_trace;
 272   if (!trace->file || strcmp(trace->file, "") != 0) {
 273     tmgr_trace = tmgr_trace_new_from_file(trace->file);
 274   } else if (strcmp(trace->pc_data, "") == 0) {
 275     tmgr_trace = NULL;
 276   } else {
 277     tmgr_trace =
 278           tmgr_trace_new_from_string(trace->id, trace->pc_data,
 279                                      trace->periodicity);
 280   }
 281   xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
 282 }
 283
 284 static void routing_parse_trace_connect(sg_platf_trace_connect_cbarg_t trace_connect)
 285 {
 286   xbt_assert(xbt_dict_get_or_null
 287               (traces_set_list, trace_connect->trace),
 288               "Cannot connect trace %s to %s: trace unknown",
 289               trace_connect->trace,
 290               trace_connect->element);
 291
 292   switch (trace_connect->kind) {
 293   case SURF_TRACE_CONNECT_KIND_HOST_AVAIL:
 294     xbt_dict_set(trace_connect_list_host_avail,
 295         trace_connect->trace,
 296         xbt_strdup(trace_connect->element), NULL);
 297     break;
 298   case SURF_TRACE_CONNECT_KIND_POWER:
 299     xbt_dict_set(trace_connect_list_power, trace_connect->trace,
 300         xbt_strdup(trace_connect->element), NULL);
 301     break;
 302   case SURF_TRACE_CONNECT_KIND_LINK_AVAIL:
 303     xbt_dict_set(trace_connect_list_link_avail,
 304         trace_connect->trace,
 305         xbt_strdup(trace_connect->element), NULL);
 306     break;
 307   case SURF_TRACE_CONNECT_KIND_BANDWIDTH:
 308     xbt_dict_set(trace_connect_list_bandwidth,
 309         trace_connect->trace,
 310         xbt_strdup(trace_connect->element), NULL);
 311     break;
 312   case SURF_TRACE_CONNECT_KIND_LATENCY:
 313     xbt_dict_set(trace_connect_list_latency, trace_connect->trace,
 314         xbt_strdup(trace_connect->element), NULL);
 315     break;
 316   default:
 317     xbt_die("Cannot connect trace %s to %s: kind of trace unknown",
 318         trace_connect->trace, trace_connect->element);
 319     break;
 320   }
 321 }
 322
 323 /**
 324  * \brief Make a new routing component to the platform
 325  *
 326  * Add a new autonomous system to the platform. Any elements (such as host,
 327  * router or sub-AS) added after this call and before the corresponding call
 328  * to sg_platf_new_AS_close() will be added to this AS.
 329  *
 330  * Once this function was called, the configuration concerning the used
 331  * models cannot be changed anymore.
 332  *
 333  * @param AS_id name of this autonomous system. Must be unique in the platform
 334  * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
 335  */
 336 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
 337 {
 338   XBT_DEBUG("routing_AS_begin");
 339   routing_model_description_t model = NULL;
 340
 341   xbt_assert(!xbt_lib_get_or_null
 342              (as_router_lib, AS->id, ROUTING_ASR_LEVEL),
 343              "The AS \"%s\" already exists", AS->id);
 344
 345   _sg_cfg_init_status = 2; /* horrible hack: direct access to the global
 346                             * controlling the level of configuration to prevent
 347                             * any further config */
 348
 349   /* search the routing model */
 350   switch(AS->routing){
 351     case A_surfxml_AS_routing_Cluster:       model = &routing_models[SURF_MODEL_CLUSTER];break;
 352     case A_surfxml_AS_routing_Dijkstra:      model = &routing_models[SURF_MODEL_DIJKSTRA];break;
 353     case A_surfxml_AS_routing_DijkstraCache: model = &routing_models[SURF_MODEL_DIJKSTRACACHE];break;
 354     case A_surfxml_AS_routing_Floyd:         model = &routing_models[SURF_MODEL_FLOYD];break;
 355     case A_surfxml_AS_routing_Full:          model = &routing_models[SURF_MODEL_FULL];break;
 356     case A_surfxml_AS_routing_None:          model = &routing_models[SURF_MODEL_NONE];break;
 357     case A_surfxml_AS_routing_Vivaldi:       model = &routing_models[SURF_MODEL_VIVALDI];break;
 358     default: xbt_die("Not a valid model!!!");
 359     break;
 360   }
 361
 362   /* make a new routing component */
 363   AsPtr new_as = model->create();
 364
 365   new_as->p_modelDesc = model;
 366   new_as->p_hierarchy = SURF_ROUTING_NULL;
 367   new_as->p_name = xbt_strdup(AS->id);
 368
 369   RoutingEdgePtr info = new RoutingEdge();
 370
 371   if (current_routing == NULL && routing_platf->p_root == NULL) {
 372
 373     /* it is the first one */
 374     new_as->p_routingFather = NULL;
 375     routing_platf->p_root = new_as;
 376     info->m_id = -1;
 377   } else if (current_routing != NULL && routing_platf->p_root != NULL) {
 378
 379     xbt_assert(!xbt_dict_get_or_null
 380                (current_routing->p_routingSons, AS->id),
 381                "The AS \"%s\" already exists", AS->id);
 382     /* it is a part of the tree */
 383     new_as->p_routingFather = current_routing;
 384     /* set the father behavior */
 385     if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
 386       current_routing->p_hierarchy = SURF_ROUTING_RECURSIVE;
 387     /* add to the sons dictionary */
 388     xbt_dict_set(current_routing->p_routingSons, AS->id,
 389                  (void *) new_as, NULL);
 390     /* add to the father element list */
 391     info->m_id = current_routing->parseAS(info);
 392   } else {
 393     THROWF(arg_error, 0, "All defined components must be belong to a AS");
 394   }
 395
 396   info->p_rcComponent = new_as->p_routingFather;
 397   info->p_rcType = SURF_NETWORK_ELEMENT_AS;
 398   info->p_name = xbt_strdup(new_as->p_name);
 399
 400   xbt_lib_set(as_router_lib, info->p_name, ROUTING_ASR_LEVEL,
 401               (void *) info);
 402   XBT_DEBUG("Having set name '%s' id '%d'", new_as->p_name, info->m_id);
 403
 404   /* set the new current component of the tree */
 405   current_routing = new_as;
 406   current_routing->p_netElem = info;
 407
 408 }
 409
 410 /**
 411  * \brief Specify that the current description of AS is finished
 412  *
 413  * Once you've declared all the content of your AS, you have to close
 414  * it with this call. Your AS is not usable until you call this function.
 415  *
 416  * @fixme: this call is not as robust as wanted: bad things WILL happen
 417  * if you call it twice for the same AS, or if you forget calling it, or
 418  * even if you add stuff to a closed AS
 419  *
 420  */
 421 void routing_AS_end(sg_platf_AS_cbarg_t /*AS*/)
 422 {
 423
 424   if (current_routing == NULL) {
 425     THROWF(arg_error, 0, "Close an AS, but none was under construction");
 426   } else {
 427     if (current_routing->p_modelDesc->end)
 428       current_routing->p_modelDesc->end(current_routing);
 429     current_routing = current_routing->p_routingFather;
 430   }
 431 }
 432
 433 /* Aux Business methods */
 434
 435 /**
 436  * \brief Get the AS father and the first elements of the chain
 437  *
 438  * \param src the source host name
 439  * \param dst the destination host name
 440  *
 441  * Get the common father of the to processing units, and the first different
 442  * father in the chain
 443  */
 444 static void elements_father(sg_routing_edge_t src, sg_routing_edge_t dst,
 445                             AS_t * res_father,
 446                             AS_t * res_src,
 447                             AS_t * res_dst)
 448 {
 449   xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
 450 #define ELEMENTS_FATHER_MAXDEPTH 16     /* increase if it is not enough */
 451   AsPtr src_as, dst_as;
 452   AsPtr path_src[ELEMENTS_FATHER_MAXDEPTH];
 453   AsPtr path_dst[ELEMENTS_FATHER_MAXDEPTH];
 454   int index_src = 0;
 455   int index_dst = 0;
 456   AsPtr current;
 457   AsPtr current_src;
 458   AsPtr current_dst;
 459   AsPtr father;
 460
 461   /* (1) find the as where the src and dst are located */
 462   sg_routing_edge_t src_data = src;
 463   sg_routing_edge_t dst_data = dst;
 464   src_as = src_data->p_rcComponent;
 465   dst_as = dst_data->p_rcComponent;
 466 #ifndef NDEBUG
 467   char* src_name = src_data->p_name;
 468   char* dst_name = dst_data->p_name;
 469 #endif
 470
 471   xbt_assert(src_as && dst_as,
 472              "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
 473
 474   /* (2) find the path to the root routing component */
 475   for (current = src_as; current != NULL; current = current->p_routingFather) {
 476     if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
 477       xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
 478     path_src[index_src++] = current;
 479   }
 480   for (current = dst_as; current != NULL; current = current->p_routingFather) {
 481     if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
 482       xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
 483     path_dst[index_dst++] = current;
 484   }
 485
 486   /* (3) find the common father */
 487   do {
 488     current_src = path_src[--index_src];
 489     current_dst = path_dst[--index_dst];
 490   } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
 491
 492   /* (4) they are not in the same routing component, make the path */
 493   if (current_src == current_dst)
 494     father = current_src;
 495   else
 496     father = path_src[index_src + 1];
 497
 498   /* (5) result generation */
 499   *res_father = father;         /* first the common father of src and dst */
 500   *res_src = current_src;       /* second the first different father of src */
 501   *res_dst = current_dst;       /* three  the first different father of dst */
 502
 503 #undef ELEMENTS_FATHER_MAXDEPTH
 504 }
 505
 506 /* Global Business methods */
 507
 508 /**
 509  * \brief Recursive function for get_route_latency
 510  *
 511  * \param src the source host name
 512  * \param dst the destination host name
 513  * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
 514  * \param *latency the latency, if needed
 515  *
 516  * This function is called by "get_route" and "get_latency". It allows to walk
 517  * recursively through the ASes tree.
 518  */
 519 static void _get_route_and_latency(RoutingEdgePtr src, RoutingEdgePtr dst,
 520                                    xbt_dynar_t * links, double *latency)
 521 {
 522   s_sg_platf_route_cbarg_t route;
 523   memset(&route,0,sizeof(route));
 524
 525   xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
 526   XBT_DEBUG("Solve route/latency  \"%s\" to \"%s\"", src->p_name, dst->p_name);
 527
 528   /* Find how src and dst are interconnected */
 529   AsPtr common_father, src_father, dst_father;
 530   elements_father(src, dst, &common_father, &src_father, &dst_father);
 531   XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
 532       common_father->p_name, src_father->p_name, dst_father->p_name);
 533
 534   /* Check whether a direct bypass is defined */
 535   sg_platf_route_cbarg_t e_route_bypass = NULL;
 536   //FIXME:REMOVE:if (common_father->get_bypass_route)
 537
 538   e_route_bypass = common_father->getBypassRoute(src, dst, latency);
 539
 540   /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
 541   if (e_route_bypass) {
 542     xbt_dynar_merge(links, &e_route_bypass->link_list);
 543     generic_free_route(e_route_bypass);
 544     return;
 545   }
 546
 547   /* If src and dst are in the same AS, life is good */
 548   if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
 549     route.link_list = *links;
 550     common_father->getRouteAndLatency(src, dst, &route, latency);
 551     // if vivaldi latency+=vivaldi(src,dst)
 552     return;
 553   }
 554
 555   /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
 556
 557   route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
 558   // Find the net_card corresponding to father
 559   RoutingEdgePtr src_father_net_elm = src_father->p_netElem;
 560   RoutingEdgePtr dst_father_net_elm = dst_father->p_netElem;
 561
 562   common_father->getRouteAndLatency(src_father_net_elm, dst_father_net_elm,
 563                                     &route, latency);
 564
 565   xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
 566       "bad gateways for route from \"%s\" to \"%s\"", src->p_name, dst->p_name);
 567
 568   sg_routing_edge_t src_gateway_net_elm = route.gw_src;
 569   sg_routing_edge_t dst_gateway_net_elm = route.gw_dst;
 570
 571   /* If source gateway is not our source, we have to recursively find our way up to this point */
 572   if (src != src_gateway_net_elm)
 573     _get_route_and_latency(src, src_gateway_net_elm, links, latency);
 574   xbt_dynar_merge(links, &route.link_list);
 575
 576   /* If dest gateway is not our destination, we have to recursively find our way from this point */
 577   if (dst_gateway_net_elm != dst)
 578     _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
 579
 580   // if vivaldi latency+=vivaldi(src_gateway,dst_gateway)
 581 }
 582
 583 AS_t surf_platf_get_root(routing_platf_t platf){
 584   return platf->p_root;
 585 }
 586
 587 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_routing_edge_t edge){
 588   return edge->p_rcType;
 589 }
 590
 591
 592 /**
 593  * \brief Find a route between hosts
 594  *
 595  * \param src the network_element_t for src host
 596  * \param dst the network_element_t for dst host
 597  * \param route where to store the list of links.
 598  *              If *route=NULL, create a short lived dynar. Else, fill the provided dynar
 599  * \param latency where to store the latency experienced on the path (or NULL if not interested)
 600  *                It is the caller responsability to initialize latency to 0 (we add to provided route)
 601  * \pre route!=NULL
 602  *
 603  * walk through the routing components tree and find a route between hosts
 604  * by calling the differents "get_route" functions in each routing component.
 605  */
 606 void RoutingPlatf::getRouteAndLatency(RoutingEdgePtr src, RoutingEdgePtr dst,
 607                                    xbt_dynar_t* route, double *latency)
 608 {
 609   XBT_DEBUG("routing_get_route_and_latency from %s to %s", src->p_name, dst->p_name);
 610   if (!*route) {
 611     xbt_dynar_reset(routing_platf->p_lastRoute);
 612     *route = routing_platf->p_lastRoute;
 613   }
 614
 615   _get_route_and_latency(src, dst, route, latency);
 616
 617   xbt_assert(!latency || *latency >= 0.0,
 618              "negative latency on route between \"%s\" and \"%s\"", src->p_name, dst->p_name);
 619 }
 620
 621 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
 622   return recursiveGetOneLinkRoutes(p_root);
 623 }
 624
 625 xbt_dynar_t RoutingPlatf::recursiveGetOneLinkRoutes(AsPtr rc)
 626 {
 627   xbt_dynar_t ret = xbt_dynar_new(sizeof(OnelinkPtr), xbt_free);
 628
 629   //adding my one link routes
 630   xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
 631   if (onelink_mine)
 632     xbt_dynar_merge(&ret,&onelink_mine);
 633
 634   //recursing
 635   char *key;
 636   xbt_dict_cursor_t cursor = NULL;
 637   AS_t rc_child;
 638   xbt_dict_foreach(rc->p_routingSons, cursor, key, rc_child) {
 639     xbt_dynar_t onelink_child = recursiveGetOneLinkRoutes(rc_child);
 640     if (onelink_child)
 641       xbt_dynar_merge(&ret,&onelink_child);
 642   }
 643   return ret;
 644 }
 645
 646 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
 647 {
 648   RoutingEdgePtr rc = sg_routing_edge_by_name_or_null(name);
 649   if (rc)
 650     return rc->p_rcType;
 651
 652   return SURF_NETWORK_ELEMENT_NULL;
 653 }
 654
 655 /**
 656  * \brief Generic method: create the global routing schema
 657  *
 658  * Make a global routing structure and set all the parsing functions.
 659  */
 660 void routing_model_create( void *loopback)
 661 {
 662   /* config the uniq global routing */
 663   routing_platf = new RoutingPlatf();
 664   routing_platf->p_root = NULL;
 665   routing_platf->p_loopback = loopback;
 666   routing_platf->p_lastRoute = xbt_dynar_new(sizeof(sg_routing_link_t),NULL);
 667   /* no current routing at moment */
 668   current_routing = NULL;
 669 }
 670
 671
 672 /* ************************************************** */
 673 /* ********** PATERN FOR NEW ROUTING **************** */
 674
 675 /* The minimal configuration of a new routing model need the next functions,
 676  * also you need to set at the start of the file, the new model in the model
 677  * list. Remember keep the null ending of the list.
 678  */
 679 /*** Routing model structure ***/
 680 // typedef struct {
 681 //   s_routing_component_t generic_routing;
 682 //   /* things that your routing model need */
 683 // } s_routing_component_NEW_t,*routing_component_NEW_t;
 684
 685 /*** Parse routing model functions ***/
 686 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
 687 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
 688 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
 689 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
 690 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
 691
 692 /*** Business methods ***/
 693 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
 694 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
 695 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
 696
 697 /*** Creation routing model functions ***/
 698 // static void* model_NEW_create(void) {
 699 //   routing_component_NEW_t new_component =  xbt_new0(s_routing_component_NEW_t,1);
 700 //   new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
 701 //   new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
 702 //   new_component->generic_routing.set_route = model_NEW_set_route;
 703 //   new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
 704 //   new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
 705 //   new_component->generic_routing.get_route = NEW_get_route;
 706 //   new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
 707 //   new_component->generic_routing.finalize = NEW_finalize;
 708 //   /* initialization of internal structures */
 709 //   return new_component;
 710 // } /* mandatory */
 711 // static void  model_NEW_load(void) {}   /* mandatory */
 712 // static void  model_NEW_unload(void) {} /* mandatory */
 713 // static void  model_NEW_end(void) {}    /* mandatory */
 714
 715 /* ************************************************************************** */
 716 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
 717
 718 void routing_cluster_add_backbone(void* bb) {
 719   xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER],
 720         "You have to be in model Cluster to use tag backbone!");
 721   xbt_assert(!surf_as_cluster_get_backbone(current_routing), "The backbone link is already defined!");
 722   surf_as_cluster_set_backbone(current_routing, bb);
 723   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->p_name);
 724 }
 725
 726 static void routing_parse_cabinet(sg_platf_cabinet_cbarg_t cabinet)
 727 {
 728   int start, end, i;
 729   char *groups , *host_id , *link_id = NULL;
 730   unsigned int iter;
 731   xbt_dynar_t radical_elements;
 732   xbt_dynar_t radical_ends;
 733
 734   //Make all hosts
 735   radical_elements = xbt_str_split(cabinet->radical, ",");
 736   xbt_dynar_foreach(radical_elements, iter, groups) {
 737
 738     radical_ends = xbt_str_split(groups, "-");
 739     start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 740
 741     switch (xbt_dynar_length(radical_ends)) {
 742     case 1:
 743       end = start;
 744       break;
 745     case 2:
 746       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 747       break;
 748     default:
 749       surf_parse_error("Malformed radical");
 750       break;
 751     }
 752     s_sg_platf_host_cbarg_t host;
 753     memset(&host, 0, sizeof(host));
 754     host.initial_state = SURF_RESOURCE_ON;
 755     host.pstate = 0;
 756     host.power_scale = 1.0;
 757     host.core_amount = 1;
 758
 759     s_sg_platf_link_cbarg_t link;
 760     memset(&link, 0, sizeof(link));
 761     link.state = SURF_RESOURCE_ON;
 762     link.policy = SURF_LINK_FULLDUPLEX;
 763     link.latency = cabinet->lat;
 764     link.bandwidth = cabinet->bw;
 765
 766     s_sg_platf_host_link_cbarg_t host_link;
 767     memset(&host_link, 0, sizeof(host_link));
 768
 769     for (i = start; i <= end; i++) {
 770       host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
 771       link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
 772       host.id = host_id;
 773       link.id = link_id;
 774       xbt_dynar_t power_state_list = xbt_dynar_new(sizeof(double), NULL);
 775       xbt_dynar_push(power_state_list,&cabinet->power);
 776       host.power_peak = power_state_list;
 777       sg_platf_new_host(&host);
 778       sg_platf_new_link(&link);
 779
 780       char* link_up = bprintf("%s_UP",link_id);
 781       char* link_down = bprintf("%s_DOWN",link_id);
 782       host_link.id = host_id;
 783       host_link.link_up = link_up;
 784       host_link.link_down= link_down;
 785       sg_platf_new_host_link(&host_link);
 786
 787       free(host_id);
 788       free(link_id);
 789       free(link_up);
 790       free(link_down);
 791     }
 792
 793     xbt_dynar_free(&radical_ends);
 794   }
 795   xbt_dynar_free(&radical_elements);
 796 }
 797
 798 static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
 799 {
 800   char *host_id, *groups, *link_id = NULL;
 801   xbt_dict_t patterns = NULL;
 802
 803   s_sg_platf_host_cbarg_t host;
 804   s_sg_platf_link_cbarg_t link;
 805
 806   unsigned int iter;
 807   int start, end, i;
 808   xbt_dynar_t radical_elements;
 809   xbt_dynar_t radical_ends;
 810
 811   if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
 812       || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
 813     patterns = xbt_dict_new_homogeneous(xbt_free_f);
 814     xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
 815     xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
 816     xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
 817   }
 818
 819   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", cluster->id);
 820   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
 821   AS.id = cluster->id;
 822   AS.routing = A_surfxml_AS_routing_Cluster;
 823   sg_platf_new_AS_begin(&AS);
 824
 825   current_routing->p_linkUpDownList
 826             = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
 827
 828   //Make all hosts
 829   radical_elements = xbt_str_split(cluster->radical, ",");
 830   xbt_dynar_foreach(radical_elements, iter, groups) {
 831
 832     radical_ends = xbt_str_split(groups, "-");
 833     start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 834
 835     switch (xbt_dynar_length(radical_ends)) {
 836     case 1:
 837       end = start;
 838       break;
 839     case 2:
 840       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 841       break;
 842     default:
 843       surf_parse_error("Malformed radical");
 844       break;
 845     }
 846     for (i = start; i <= end; i++) {
 847       host_id =
 848           bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
 849       link_id = bprintf("%s_link_%d", cluster->id, i);
 850
 851       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->power);
 852
 853       memset(&host, 0, sizeof(host));
 854       host.id = host_id;
 855       if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
 856         xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
 857         char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
 858         XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
 859         host.power_trace = tmgr_trace_new_from_file(avail_file);
 860         xbt_free(avail_file);
 861       } else {
 862         XBT_DEBUG("\tavailability_file=\"\"");
 863       }
 864
 865       if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
 866         char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
 867         XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
 868         host.state_trace = tmgr_trace_new_from_file(avail_file);
 869         xbt_free(avail_file);
 870       } else {
 871         XBT_DEBUG("\tstate_file=\"\"");
 872       }
 873
 874       xbt_dynar_t power_state_list = xbt_dynar_new(sizeof(double), NULL);
 875       xbt_dynar_push(power_state_list,&cluster->power);
 876       host.power_peak = power_state_list;
 877       host.pstate = 0;
 878
 879       //host.power_peak = cluster->power;
 880       host.power_scale = 1.0;
 881       host.core_amount = cluster->core_amount;
 882       host.initial_state = SURF_RESOURCE_ON;
 883       host.coord = "";
 884       sg_platf_new_host(&host);
 885       XBT_DEBUG("</host>");
 886
 887       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
 888                 cluster->bw, cluster->lat);
 889
 890       memset(&link, 0, sizeof(link));
 891       link.id = link_id;
 892       link.bandwidth = cluster->bw;
 893       link.latency = cluster->lat;
 894       link.state = SURF_RESOURCE_ON;
 895       link.policy = cluster->sharing_policy;
 896       sg_platf_new_link(&link);
 897
 898       s_surf_parsing_link_up_down_t info;
 899
 900       if (link.policy == SURF_LINK_FULLDUPLEX) {
 901         char *tmp_link = bprintf("%s_UP", link_id);
 902         info.link_up =
 903             xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
 904         free(tmp_link);
 905         tmp_link = bprintf("%s_DOWN", link_id);
 906         info.link_down =
 907             xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
 908         free(tmp_link);
 909       } else {
 910         info.link_up = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL);
 911         info.link_down = info.link_up;
 912       }
 913
 914       if(cluster->limiter_link!=0){
 915         char *tmp_link = bprintf("%s_limiter", link_id);
 916         XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 917                 cluster->limiter_link);
 918
 919
 920         memset(&link, 0, sizeof(link));
 921         link.id = tmp_link;
 922         link.bandwidth = cluster->limiter_link;
 923         link.latency = 0;
 924         link.state = SURF_RESOURCE_ON;
 925         link.policy = SURF_LINK_SHARED;
 926         sg_platf_new_link(&link);
 927          info.limiter_link =
 928             xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
 929         free(tmp_link);
 930       }else{
 931         info.limiter_link =NULL;
 932       }
 933
 934       if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 935         char *tmp_link = bprintf("%s_loopback", link_id);
 936         XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 937                 cluster->limiter_link);
 938
 939
 940         memset(&link, 0, sizeof(link));
 941         link.id = tmp_link;
 942         link.bandwidth = cluster->loopback_bw;
 943         link.latency = cluster->loopback_lat;
 944         link.state = SURF_RESOURCE_ON;
 945         link.policy = SURF_LINK_FATPIPE;
 946         sg_platf_new_link(&link);
 947          info.loopback_link =
 948             xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
 949         free(tmp_link);
 950       }else{
 951         info.loopback_link =NULL;
 952       }
 953
 954       xbt_dynar_push(current_routing->p_linkUpDownList, &info);
 955       xbt_free(link_id);
 956       xbt_free(host_id);
 957     }
 958
 959     xbt_dynar_free(&radical_ends);
 960   }
 961   xbt_dynar_free(&radical_elements);
 962
 963   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
 964   // and it's very useful to connect clusters together
 965   XBT_DEBUG(" ");
 966   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
 967   char *newid = NULL;
 968   s_sg_platf_router_cbarg_t router;
 969   memset(&router, 0, sizeof(router));
 970   router.id = cluster->router_id;
 971   router.coord = "";
 972   if (!router.id || !strcmp(router.id, ""))
 973     router.id = newid =
 974         bprintf("%s%s_router%s", cluster->prefix, cluster->id,
 975                 cluster->suffix);
 976   sg_platf_new_router(&router);
 977   ((AsClusterPtr)current_routing)->p_router = (RoutingEdgePtr) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
 978   free(newid);
 979
 980   //Make the backbone
 981   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
 982     char *link_backbone = bprintf("%s_backbone", cluster->id);
 983     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
 984               cluster->bb_bw, cluster->bb_lat);
 985
 986     memset(&link, 0, sizeof(link));
 987     link.id = link_backbone;
 988     link.bandwidth = cluster->bb_bw;
 989     link.latency = cluster->bb_lat;
 990     link.state = SURF_RESOURCE_ON;
 991     link.policy = cluster->bb_sharing_policy;
 992
 993     sg_platf_new_link(&link);
 994
 995     routing_cluster_add_backbone(xbt_lib_get_or_null(link_lib, link_backbone, SURF_LINK_LEVEL));
 996
 997     free(link_backbone);
 998   }
 999
1000   XBT_DEBUG("</AS>");
1001   sg_platf_new_AS_end();
1002   XBT_DEBUG(" ");
1003   xbt_dict_free(&patterns); // no op if it were never set
1004 }
1005
1006 static void routing_parse_postparse(void) {
1007   xbt_dict_free(&random_value);
1008 }
1009
1010 static void routing_parse_peer(sg_platf_peer_cbarg_t peer)
1011 {
1012   char *host_id = NULL;
1013   char *link_id = NULL;
1014   char *router_id = NULL;
1015
1016   XBT_DEBUG(" ");
1017   host_id = HOST_PEER(peer->id);
1018   link_id = LINK_PEER(peer->id);
1019   router_id = ROUTER_PEER(peer->id);
1020
1021   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
1022   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
1023   AS.id = peer->id;
1024   AS.routing = A_surfxml_AS_routing_Cluster;
1025   sg_platf_new_AS_begin(&AS);
1026
1027   current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
1028
1029   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->power);
1030   s_sg_platf_host_cbarg_t host;
1031   memset(&host, 0, sizeof(host));
1032   host.initial_state = SURF_RESOURCE_ON;
1033   host.id = host_id;
1034
1035   xbt_dynar_t power_state_list = xbt_dynar_new(sizeof(double), NULL);
1036   xbt_dynar_push(power_state_list,&peer->power);
1037   host.power_peak = power_state_list;
1038   host.pstate = 0;
1039   //host.power_peak = peer->power;
1040   host.power_scale = 1.0;
1041   host.power_trace = peer->availability_trace;
1042   host.state_trace = peer->state_trace;
1043   host.core_amount = 1;
1044   sg_platf_new_host(&host);
1045
1046   s_sg_platf_link_cbarg_t link;
1047   memset(&link, 0, sizeof(link));
1048   link.state = SURF_RESOURCE_ON;
1049   link.policy = SURF_LINK_SHARED;
1050   link.latency = peer->lat;
1051
1052   char* link_up = bprintf("%s_UP",link_id);
1053   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
1054             peer->bw_out, peer->lat);
1055   link.id = link_up;
1056   link.bandwidth = peer->bw_out;
1057   sg_platf_new_link(&link);
1058
1059   char* link_down = bprintf("%s_DOWN",link_id);
1060   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
1061             peer->bw_in, peer->lat);
1062   link.id = link_down;
1063   link.bandwidth = peer->bw_in;
1064   sg_platf_new_link(&link);
1065
1066   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
1067   s_sg_platf_host_link_cbarg_t host_link;
1068   memset(&host_link, 0, sizeof(host_link));
1069   host_link.id = host_id;
1070   host_link.link_up = link_up;
1071   host_link.link_down= link_down;
1072   sg_platf_new_host_link(&host_link);
1073
1074   XBT_DEBUG("<router id=\"%s\"/>", router_id);
1075   s_sg_platf_router_cbarg_t router;
1076   memset(&router, 0, sizeof(router));
1077   router.id = router_id;
1078   router.coord = peer->coord;
1079   sg_platf_new_router(&router);
1080   static_cast<AsClusterPtr>(current_routing)->p_router = static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
1081
1082   XBT_DEBUG("</AS>");
1083   sg_platf_new_AS_end();
1084   XBT_DEBUG(" ");
1085
1086   //xbt_dynar_free(&tab_elements_num);
1087   free(router_id);
1088   free(host_id);
1089   free(link_id);
1090   free(link_up);
1091   free(link_down);
1092 }
1093
1094 // static void routing_parse_Srandom(void)
1095 // {
1096 //   double mean, std, min, max, seed;
1097 //   char *random_id = A_surfxml_random_id;
1098 //   char *random_radical = A_surfxml_random_radical;
1099 //   char *rd_name = NULL;
1100 //   char *rd_value;
1101 //   mean = surf_parse_get_double(A_surfxml_random_mean);
1102 //   std = surf_parse_get_double(A_surfxml_random_std___deviation);
1103 //   min = surf_parse_get_double(A_surfxml_random_min);
1104 //   max = surf_parse_get_double(A_surfxml_random_max);
1105 //   seed = surf_parse_get_double(A_surfxml_random_seed);
1106
1107 //   double res = 0;
1108 //   int i = 0;
1109 //   random_data_t random = xbt_new0(s_random_data_t, 1);
1110 //   char *tmpbuf;
1111
1112 //   xbt_dynar_t radical_elements;
1113 //   unsigned int iter;
1114 //   char *groups;
1115 //   int start, end;
1116 //   xbt_dynar_t radical_ends;
1117
1118 //   switch (A_surfxml_random_generator) {
1119 //   case AU_surfxml_random_generator:
1120 //   case A_surfxml_random_generator_NONE:
1121 //     random->generator = NONE;
1122 //     break;
1123 //   case A_surfxml_random_generator_DRAND48:
1124 //     random->generator = DRAND48;
1125 //     break;
1126 //   case A_surfxml_random_generator_RAND:
1127 //     random->generator = RAND;
1128 //     break;
1129 //   case A_surfxml_random_generator_RNGSTREAM:
1130 //     random->generator = RNGSTREAM;
1131 //     break;
1132 //   default:
1133 //     surf_parse_error("Invalid random generator");
1134 //     break;
1135 //   }
1136 //   random->seed = seed;
1137 //   random->min = min;
1138 //   random->max = max;
1139
1140 //   /* Check user stupidities */
1141 //   if (max < min)
1142 //     THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
1143 //   if (mean < min)
1144 //     THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
1145 //   if (mean > max)
1146 //     THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
1147
1148 //   /* normalize the mean and standard deviation before storing */
1149 //   random->mean = (mean - min) / (max - min);
1150 //   random->std = std / (max - min);
1151
1152 //   if (random->mean * (1 - random->mean) < random->std * random->std)
1153 //     THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
1154 //            random->mean, random->std);
1155
1156 //   XBT_DEBUG
1157 //       ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
1158 //        random_id, random->min, random->max, random->mean, random->std,
1159 //        (int)random->generator, random->seed, random_radical);
1160
1161 //   if (!random_value)
1162 //     random_value = xbt_dict_new_homogeneous(free);
1163
1164 //   if (!strcmp(random_radical, "")) {
1165 //     res = random_generate(random);
1166 //     rd_value = bprintf("%f", res);
1167 //     xbt_dict_set(random_value, random_id, rd_value, NULL);
1168 //   } else {
1169 //     radical_elements = xbt_str_split(random_radical, ",");
1170 //     xbt_dynar_foreach(radical_elements, iter, groups) {
1171 //       radical_ends = xbt_str_split(groups, "-");
1172 //       switch (xbt_dynar_length(radical_ends)) {
1173 //       case 1:
1174 //         xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1175 //                    "Custom Random '%s' already exists !", random_id);
1176 //         res = random_generate(random);
1177 //         tmpbuf =
1178 //             bprintf("%s%d", random_id,
1179 //                     atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
1180 //         xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
1181 //         xbt_free(tmpbuf);
1182 //         break;
1183
1184 //       case 2:
1185 //         start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1186 //         end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1187 //         for (i = start; i <= end; i++) {
1188 //           xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1189 //                      "Custom Random '%s' already exists !", bprintf("%s%d",
1190 //                                                                     random_id,
1191 //                                                                     i));
1192 //           res = random_generate(random);
1193 //           tmpbuf = bprintf("%s%d", random_id, i);
1194 //           xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
1195 //           xbt_free(tmpbuf);
1196 //         }
1197 //         break;
1198 //       default:
1199 //         XBT_CRITICAL("Malformed radical");
1200 //         break;
1201 //       }
1202 //       res = random_generate(random);
1203 //       rd_name = bprintf("%s_router", random_id);
1204 //       rd_value = bprintf("%f", res);
1205 //       xbt_dict_set(random_value, rd_name, rd_value, NULL);
1206
1207 //       xbt_dynar_free(&radical_ends);
1208 //     }
1209 //     free(rd_name);
1210 //     xbt_dynar_free(&radical_elements);
1211 //   }
1212 // }
1213
1214 void routing_register_callbacks()
1215 {
1216   sg_platf_host_add_cb(parse_S_host);
1217   sg_platf_router_add_cb(parse_S_router);
1218   sg_platf_host_link_add_cb(parse_S_host_link);
1219   sg_platf_route_add_cb(parse_E_route);
1220   sg_platf_ASroute_add_cb(parse_E_ASroute);
1221   sg_platf_bypassRoute_add_cb(parse_E_bypassRoute);
1222   sg_platf_bypassASroute_add_cb(parse_E_bypassASroute);
1223
1224   sg_platf_cluster_add_cb(routing_parse_cluster);
1225   sg_platf_cabinet_add_cb(routing_parse_cabinet);
1226
1227   sg_platf_peer_add_cb(routing_parse_peer);
1228   sg_platf_postparse_add_cb(routing_parse_postparse);
1229
1230   /* we care about the ASes while parsing the platf. Incredible, isnt it? */
1231   sg_platf_AS_end_add_cb(routing_AS_end);
1232   sg_platf_AS_begin_add_cb(routing_AS_begin);
1233
1234   sg_platf_trace_add_cb(routing_parse_trace);
1235   sg_platf_trace_connect_add_cb(routing_parse_trace_connect);
1236
1237 #ifdef HAVE_TRACING
1238   instr_routing_define_callbacks();
1239 #endif
1240 }
1241
1242 /**
1243  * \brief Recursive function for finalize
1244  *
1245  * \param rc the source host name
1246  *
1247  * This fuction is call by "finalize". It allow to finalize the
1248  * AS or routing components. It delete all the structures.
1249  */
1250 static void finalize_rec(AsPtr as) {
1251   xbt_dict_cursor_t cursor = NULL;
1252   char *key;
1253   AS_t elem;
1254
1255   xbt_dict_foreach(as->p_routingSons, cursor, key, elem) {
1256     finalize_rec(elem);
1257   }
1258
1259   delete as;;
1260 }
1261
1262 /** \brief Frees all memory allocated by the routing module */
1263 void routing_exit(void) {
1264   delete routing_platf;
1265 }
1266
1267 RoutingPlatf::~RoutingPlatf()
1268 {
1269         xbt_dynar_free(&p_lastRoute);
1270         finalize_rec(p_root);
1271 }
1272
1273 AS_t surf_AS_get_routing_root() {
1274   return routing_platf->p_root;
1275 }
1276
1277 const char *surf_AS_get_name(AsPtr as) {
1278   return as->p_name;
1279 }
1280
1281 xbt_dict_t surf_AS_get_routing_sons(AsPtr as) {
1282   return as->p_routingSons;
1283 }
1284
1285 const char *surf_AS_get_model(AsPtr as) {
1286   return as->p_modelDesc->name;
1287 }
1288
1289 xbt_dynar_t surf_AS_get_hosts(AsPtr as) {
1290   xbt_dynar_t elms = as->p_indexNetworkElm;
1291   sg_routing_edge_t relm;
1292   xbt_dictelm_t delm;
1293   int index;
1294   int count = xbt_dynar_length(elms);
1295   xbt_dynar_t res =  xbt_dynar_new(sizeof(xbt_dictelm_t), NULL);
1296   for (index = 0; index < count; index++) {
1297      relm = xbt_dynar_get_as(elms, index, RoutingEdgePtr);
1298      delm = xbt_lib_get_elm_or_null(host_lib, relm->p_name);
1299      if (delm!=NULL) {
1300        xbt_dynar_push(res, &delm);
1301      }
1302   }
1303   return res;
1304 }
1305
1306 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
1307   as->getGraph(graph, nodes, edges);
1308 }
1309