src/surf/surf_routing.cpp

   1 /* Copyright (c) 2009-2011, 2013-2014. 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 #include "surf_routing_cluster.hpp"
  10 #include "surf_routing_cluster_torus.hpp"
  11
  12
  13 #include "simgrid/platf_interface.h"    // platform creation API internal interface
  14 #include "simgrid/sg_config.h"
  15 #include "storage_interface.hpp"
  16
  17 #include "surf/surfxml_parse_values.h"
  18
  19
  20 /**
  21  * @ingroup SURF_build_api
  22  * @brief A library containing all known workstations
  23  */
  24 xbt_lib_t host_lib;
  25
  26 int ROUTING_HOST_LEVEL;         //Routing level
  27 int SURF_CPU_LEVEL;             //Surf cpu level
  28 int SURF_WKS_LEVEL;             //Surf workstation level
  29 int SIMIX_HOST_LEVEL;           //Simix host level
  30 int SIMIX_STORAGE_LEVEL;        //Simix storage level
  31 int MSG_HOST_LEVEL;             //Msg host level
  32 int MSG_STORAGE_LEVEL;          //Msg storage level
  33 int MSG_FILE_LEVEL;             //Msg file level
  34 int SD_HOST_LEVEL;              //Simdag host level
  35 int SD_STORAGE_LEVEL;           //Simdag storage level
  36 int COORD_HOST_LEVEL=0;         //Coordinates level
  37 int NS3_HOST_LEVEL;             //host node for ns3
  38
  39 /**
  40  * @ingroup SURF_build_api
  41  * @brief A library containing all known links
  42  */
  43 xbt_lib_t link_lib;
  44 int SD_LINK_LEVEL;              //Simdag level
  45 int SURF_LINK_LEVEL;            //Surf level
  46 int NS3_LINK_LEVEL;             //link for ns3
  47
  48 xbt_lib_t as_router_lib;
  49 int ROUTING_ASR_LEVEL;          //Routing level
  50 int COORD_ASR_LEVEL;            //Coordinates level
  51 int NS3_ASR_LEVEL;              //host node for ns3
  52 int ROUTING_PROP_ASR_LEVEL;     //Where the properties are stored
  53
  54 static xbt_dict_t random_value = NULL;
  55
  56
  57 /** @brief Retrieve a routing edge from its name
  58  *
  59  * Routing edges are either CPU/workstation and routers, whatever
  60  */
  61 RoutingEdgePtr sg_routing_edge_by_name_or_null(const char *name) {
  62   RoutingEdgePtr net_elm = (RoutingEdgePtr) xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
  63   if (!net_elm)
  64         net_elm = (RoutingEdgePtr) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
  65   return net_elm;
  66 }
  67
  68 /* Global vars */
  69 RoutingPlatfPtr routing_platf = NULL;
  70 AsPtr current_routing = NULL;
  71
  72 /* global parse functions */
  73 extern xbt_dynar_t mount_list;
  74
  75 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
  76
  77 static void routing_parse_peer(sg_platf_peer_cbarg_t peer);     /* peer bypass */
  78 // static void routing_parse_Srandom(void);        /* random bypass */
  79
  80 static void routing_parse_postparse(void);
  81
  82 /* this lines are only for replace use like index in the model table */
  83 typedef enum {
  84   SURF_MODEL_FULL = 0,
  85   SURF_MODEL_FLOYD,
  86   SURF_MODEL_DIJKSTRA,
  87   SURF_MODEL_DIJKSTRACACHE,
  88   SURF_MODEL_NONE,
  89   SURF_MODEL_VIVALDI,
  90   SURF_MODEL_CLUSTER,
  91   SURF_MODEL_TORUS_CLUSTER,
  92
  93 } e_routing_types;
  94
  95 struct s_model_type routing_models[] = {
  96   {"Full",
  97    "Full routing data (fast, large memory requirements, fully expressive)",
  98    model_full_create, model_full_end},
  99   {"Floyd",
 100    "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
 101    model_floyd_create, model_floyd_end},
 102   {"Dijkstra",
 103    "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
 104    model_dijkstra_create, model_dijkstra_both_end},
 105   {"DijkstraCache",
 106    "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
 107    model_dijkstracache_create, model_dijkstra_both_end},
 108   {"none", "No routing (Unless you know what you are doing, avoid using this mode in combination with a non Constant network model).",
 109    model_none_create,  NULL},
 110   {"Vivaldi", "Vivaldi routing",
 111    model_vivaldi_create, NULL},
 112   {"Cluster", "Cluster routing",
 113    model_cluster_create, NULL},
 114    {"Torus_Cluster", "Torus Cluster routing",
 115     model_torus_cluster_create, NULL},
 116   {NULL, NULL, NULL, NULL}
 117 };
 118
 119 /**
 120  * \brief Add a "host_link" to the network element list
 121  */
 122 static void parse_S_host_link(sg_platf_host_link_cbarg_t host)
 123 {
 124   RoutingEdgePtr info = static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL));
 125   xbt_assert(info, "Host '%s' not found!", host->id);
 126   xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER] ||
 127       current_routing->p_modelDesc == &routing_models[SURF_MODEL_VIVALDI],
 128       "You have to be in model Cluster to use tag host_link!");
 129
 130   s_surf_parsing_link_up_down_t link_up_down;
 131   link_up_down.link_up = xbt_lib_get_or_null(link_lib, host->link_up, SURF_LINK_LEVEL);
 132   link_up_down.link_down = xbt_lib_get_or_null(link_lib, host->link_down, SURF_LINK_LEVEL);
 133
 134   xbt_assert(link_up_down.link_up, "Link '%s' not found!",host->link_up);
 135   xbt_assert(link_up_down.link_down, "Link '%s' not found!",host->link_down);
 136
 137   if(!current_routing->p_linkUpDownList)
 138     current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
 139
 140   // If dynar is is greater than edge id and if the host_link is already defined
 141   if((int)xbt_dynar_length(current_routing->p_linkUpDownList) > info->getId() &&
 142       xbt_dynar_get_as(current_routing->p_linkUpDownList, info->getId(), void*))
 143         surf_parse_error("Host_link for '%s' is already defined!",host->id);
 144
 145   XBT_DEBUG("Push Host_link for host '%s' to position %d", info->getName(), info->getId());
 146   xbt_dynar_set_as(current_routing->p_linkUpDownList, info->getId(), s_surf_parsing_link_up_down_t, link_up_down);
 147 }
 148
 149 /**
 150  * \brief Add a "host" to the network element list
 151  */
 152 static void parse_S_host(sg_platf_host_cbarg_t host)
 153 {
 154   if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
 155     current_routing->p_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", host->id);
 158
 159   RoutingEdgePtr info = new RoutingEdgeImpl(xbt_strdup(host->id),
 160                                                     -1,
 161                                                     SURF_NETWORK_ELEMENT_HOST,
 162                                                     current_routing);
 163   info->setId(current_routing->parsePU(info));
 164   xbt_lib_set(host_lib, host->id, ROUTING_HOST_LEVEL, (void *) info);
 165   XBT_DEBUG("Having set name '%s' id '%d'", host->id, info->getId());
 166
 167   if(mount_list){
 168     xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
 169     mount_list = NULL;
 170   }
 171
 172   if (host->coord && strcmp(host->coord, "")) {
 173     unsigned int cursor;
 174     char*str;
 175
 176     if (!COORD_HOST_LEVEL)
 177       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 178     /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
 179     xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
 180     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 181     xbt_dynar_foreach(ctn_str,cursor, str) {
 182       double val = atof(str);
 183       xbt_dynar_push(ctn,&val);
 184     }
 185     xbt_dynar_shrink(ctn, 0);
 186     xbt_dynar_free(&ctn_str);
 187     xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn);
 188     XBT_DEBUG("Having set host coordinates for '%s'",host->id);
 189   }
 190 }
 191
 192 /**
 193  * \brief Add a "router" to the network element list
 194  */
 195 static void parse_S_router(sg_platf_router_cbarg_t router)
 196 {
 197   if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
 198     current_routing->p_hierarchy = SURF_ROUTING_BASE;
 199   xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
 200              "Reading a router, processing unit \"%s\" already exists",
 201              router->id);
 202
 203   RoutingEdgePtr info = new RoutingEdgeImpl(xbt_strdup(router->id),
 204                                             -1,
 205                                             SURF_NETWORK_ELEMENT_ROUTER,
 206                                             current_routing);
 207   info->setId(current_routing->parsePU(info));
 208   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
 209   XBT_DEBUG("Having set name '%s' id '%d'", router->id, info->getId());
 210
 211   if (router->coord && strcmp(router->coord, "")) {
 212     unsigned int cursor;
 213     char*str;
 214
 215     if (!COORD_ASR_LEVEL)
 216       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 217     /* Pre-parse the host coordinates */
 218     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
 219     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 220     xbt_dynar_foreach(ctn_str,cursor, str) {
 221       double val = atof(str);
 222       xbt_dynar_push(ctn,&val);
 223     }
 224     xbt_dynar_shrink(ctn, 0);
 225     xbt_dynar_free(&ctn_str);
 226     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
 227     XBT_DEBUG("Having set router coordinates for '%s'",router->id);
 228   }
 229 }
 230
 231 /**
 232  * \brief Store the route by calling the set_route function of the current routing component
 233  */
 234 static void parse_E_route(sg_platf_route_cbarg_t route)
 235 {
 236   /*FIXME:REMOVE:xbt_assert(current_routing->parse_route,
 237              "no defined method \"set_route\" in \"%s\"",
 238              current_routing->name);*/
 239
 240   current_routing->parseRoute(route);
 241 }
 242
 243 /**
 244  * \brief Store the ASroute by calling the set_ASroute function of the current routing component
 245  */
 246 static void parse_E_ASroute(sg_platf_route_cbarg_t ASroute)
 247 {
 248   /*FIXME:REMOVE:xbt_assert(current_routing->parse_ASroute,
 249              "no defined method \"set_ASroute\" in \"%s\"",
 250              current_routing->name);*/
 251   current_routing->parseASroute(ASroute);
 252 }
 253
 254 /**
 255  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
 256  */
 257 static void parse_E_bypassRoute(sg_platf_route_cbarg_t route)
 258 {
 259   /*FIXME:REMOVE:xbt_assert(current_routing->parse_bypassroute,
 260              "Bypassing mechanism not implemented by routing '%s'",
 261              current_routing->name);*/
 262
 263   current_routing->parseBypassroute(route);
 264 }
 265
 266 /**
 267  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
 268  */
 269 static void parse_E_bypassASroute(sg_platf_route_cbarg_t ASroute)
 270 {
 271   /*FIXME:REMOVE:xbt_assert(current_routing->parse_bypassroute,
 272              "Bypassing mechanism not implemented by routing '%s'",
 273              current_routing->name);*/
 274   current_routing->parseBypassroute(ASroute);
 275 }
 276
 277 static void routing_parse_trace(sg_platf_trace_cbarg_t trace)
 278 {
 279   tmgr_trace_t tmgr_trace;
 280   if (!trace->file || strcmp(trace->file, "") != 0) {
 281     tmgr_trace = tmgr_trace_new_from_file(trace->file);
 282   } else if (strcmp(trace->pc_data, "") == 0) {
 283     tmgr_trace = NULL;
 284   } else {
 285     tmgr_trace =
 286           tmgr_trace_new_from_string(trace->id, trace->pc_data,
 287                                      trace->periodicity);
 288   }
 289   xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
 290 }
 291
 292 static void routing_parse_trace_connect(sg_platf_trace_connect_cbarg_t trace_connect)
 293 {
 294   xbt_assert(xbt_dict_get_or_null
 295               (traces_set_list, trace_connect->trace),
 296               "Cannot connect trace %s to %s: trace unknown",
 297               trace_connect->trace,
 298               trace_connect->element);
 299
 300   switch (trace_connect->kind) {
 301   case SURF_TRACE_CONNECT_KIND_HOST_AVAIL:
 302     xbt_dict_set(trace_connect_list_host_avail,
 303         trace_connect->trace,
 304         xbt_strdup(trace_connect->element), NULL);
 305     break;
 306   case SURF_TRACE_CONNECT_KIND_POWER:
 307     xbt_dict_set(trace_connect_list_power, trace_connect->trace,
 308         xbt_strdup(trace_connect->element), NULL);
 309     break;
 310   case SURF_TRACE_CONNECT_KIND_LINK_AVAIL:
 311     xbt_dict_set(trace_connect_list_link_avail,
 312         trace_connect->trace,
 313         xbt_strdup(trace_connect->element), NULL);
 314     break;
 315   case SURF_TRACE_CONNECT_KIND_BANDWIDTH:
 316     xbt_dict_set(trace_connect_list_bandwidth,
 317         trace_connect->trace,
 318         xbt_strdup(trace_connect->element), NULL);
 319     break;
 320   case SURF_TRACE_CONNECT_KIND_LATENCY:
 321     xbt_dict_set(trace_connect_list_latency, trace_connect->trace,
 322         xbt_strdup(trace_connect->element), NULL);
 323     break;
 324   default:
 325         surf_parse_error("Cannot connect trace %s to %s: kind of trace unknown",
 326         trace_connect->trace, trace_connect->element);
 327     break;
 328   }
 329 }
 330
 331 /**
 332  * \brief Make a new routing component to the platform
 333  *
 334  * Add a new autonomous system to the platform. Any elements (such as host,
 335  * router or sub-AS) added after this call and before the corresponding call
 336  * to sg_platf_new_AS_close() will be added to this AS.
 337  *
 338  * Once this function was called, the configuration concerning the used
 339  * models cannot be changed anymore.
 340  *
 341  * @param AS_id name of this autonomous system. Must be unique in the platform
 342  * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
 343  */
 344 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
 345 {
 346   XBT_DEBUG("routing_AS_begin");
 347   routing_model_description_t model = NULL;
 348
 349   xbt_assert(!xbt_lib_get_or_null
 350              (as_router_lib, AS->id, ROUTING_ASR_LEVEL),
 351              "The AS \"%s\" already exists", AS->id);
 352
 353   _sg_cfg_init_status = 2; /* horrible hack: direct access to the global
 354                             * controlling the level of configuration to prevent
 355                             * any further config */
 356
 357   /* search the routing model */
 358   switch(AS->routing){
 359     case A_surfxml_AS_routing_Cluster:         model = &routing_models[SURF_MODEL_CLUSTER];break;
 360     case A_surfxml_AS_routing_Cluster___torus: model = &routing_models[SURF_MODEL_TORUS_CLUSTER];break;
 361     case A_surfxml_AS_routing_Dijkstra:        model = &routing_models[SURF_MODEL_DIJKSTRA];break;
 362     case A_surfxml_AS_routing_DijkstraCache:   model = &routing_models[SURF_MODEL_DIJKSTRACACHE];break;
 363     case A_surfxml_AS_routing_Floyd:           model = &routing_models[SURF_MODEL_FLOYD];break;
 364     case A_surfxml_AS_routing_Full:            model = &routing_models[SURF_MODEL_FULL];break;
 365     case A_surfxml_AS_routing_None:            model = &routing_models[SURF_MODEL_NONE];break;
 366     case A_surfxml_AS_routing_Vivaldi:         model = &routing_models[SURF_MODEL_VIVALDI];break;
 367     default: xbt_die("Not a valid model!!!");
 368     break;
 369   }
 370
 371   /* make a new routing component */
 372   AsPtr new_as = model->create();
 373
 374   new_as->p_modelDesc = model;
 375   new_as->p_hierarchy = SURF_ROUTING_NULL;
 376   new_as->p_name = xbt_strdup(AS->id);
 377
 378   RoutingEdgePtr info = new RoutingEdgeImpl(xbt_strdup(new_as->p_name),
 379                                             -1,
 380                                             SURF_NETWORK_ELEMENT_AS,
 381                                             current_routing);
 382   if (current_routing == NULL && routing_platf->p_root == NULL) {
 383
 384     /* it is the first one */
 385     new_as->p_routingFather = NULL;
 386     routing_platf->p_root = new_as;
 387     info->setId(-1);
 388   } else if (current_routing != NULL && routing_platf->p_root != NULL) {
 389
 390     xbt_assert(!xbt_dict_get_or_null
 391                (current_routing->p_routingSons, AS->id),
 392                "The AS \"%s\" already exists", AS->id);
 393     /* it is a part of the tree */
 394     new_as->p_routingFather = current_routing;
 395     /* set the father behavior */
 396     if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
 397       current_routing->p_hierarchy = SURF_ROUTING_RECURSIVE;
 398     /* add to the sons dictionary */
 399     xbt_dict_set(current_routing->p_routingSons, AS->id,
 400                  (void *) new_as, NULL);
 401     /* add to the father element list */
 402     info->setId(current_routing->parseAS(info));
 403   } else {
 404     THROWF(arg_error, 0, "All defined components must be belong to a AS");
 405   }
 406
 407   xbt_lib_set(as_router_lib, info->getName(), ROUTING_ASR_LEVEL,
 408               (void *) info);
 409   XBT_DEBUG("Having set name '%s' id '%d'", new_as->p_name, info->getId());
 410
 411   /* set the new current component of the tree */
 412   current_routing = new_as;
 413   current_routing->p_netElem = info;
 414
 415 }
 416
 417 /**
 418  * \brief Specify that the current description of AS is finished
 419  *
 420  * Once you've declared all the content of your AS, you have to close
 421  * it with this call. Your AS is not usable until you call this function.
 422  *
 423  * @fixme: this call is not as robust as wanted: bad things WILL happen
 424  * if you call it twice for the same AS, or if you forget calling it, or
 425  * even if you add stuff to a closed AS
 426  *
 427  */
 428 void routing_AS_end(sg_platf_AS_cbarg_t /*AS*/)
 429 {
 430
 431   if (current_routing == NULL) {
 432     THROWF(arg_error, 0, "Close an AS, but none was under construction");
 433   } else {
 434     if (current_routing->p_modelDesc->end)
 435       current_routing->p_modelDesc->end(current_routing);
 436     current_routing = current_routing->p_routingFather;
 437   }
 438 }
 439
 440 /* Aux Business methods */
 441
 442 /**
 443  * \brief Get the AS father and the first elements of the chain
 444  *
 445  * \param src the source host name
 446  * \param dst the destination host name
 447  *
 448  * Get the common father of the to processing units, and the first different
 449  * father in the chain
 450  */
 451 static void elements_father(sg_routing_edge_t src, sg_routing_edge_t dst,
 452                             AS_t * res_father,
 453                             AS_t * res_src,
 454                             AS_t * res_dst)
 455 {
 456   xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
 457 #define ELEMENTS_FATHER_MAXDEPTH 16     /* increase if it is not enough */
 458   AsPtr src_as, dst_as;
 459   AsPtr path_src[ELEMENTS_FATHER_MAXDEPTH];
 460   AsPtr path_dst[ELEMENTS_FATHER_MAXDEPTH];
 461   int index_src = 0;
 462   int index_dst = 0;
 463   AsPtr current;
 464   AsPtr current_src;
 465   AsPtr current_dst;
 466   AsPtr father;
 467
 468   /* (1) find the as where the src and dst are located */
 469   sg_routing_edge_t src_data = src;
 470   sg_routing_edge_t dst_data = dst;
 471   src_as = src_data->getRcComponent();
 472   dst_as = dst_data->getRcComponent();
 473 #ifndef NDEBUG
 474   char* src_name = src_data->getName();
 475   char* dst_name = dst_data->getName();
 476 #endif
 477
 478   xbt_assert(src_as && dst_as,
 479              "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
 480
 481   /* (2) find the path to the root routing component */
 482   for (current = src_as; current != NULL; current = current->p_routingFather) {
 483     if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
 484       xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
 485     path_src[index_src++] = current;
 486   }
 487   for (current = dst_as; current != NULL; current = current->p_routingFather) {
 488     if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
 489       xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
 490     path_dst[index_dst++] = current;
 491   }
 492
 493   /* (3) find the common father */
 494   do {
 495     current_src = path_src[--index_src];
 496     current_dst = path_dst[--index_dst];
 497   } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
 498
 499   /* (4) they are not in the same routing component, make the path */
 500   if (current_src == current_dst)
 501     father = current_src;
 502   else
 503     father = path_src[index_src + 1];
 504
 505   /* (5) result generation */
 506   *res_father = father;         /* first the common father of src and dst */
 507   *res_src = current_src;       /* second the first different father of src */
 508   *res_dst = current_dst;       /* three  the first different father of dst */
 509
 510 #undef ELEMENTS_FATHER_MAXDEPTH
 511 }
 512
 513 /* Global Business methods */
 514
 515 /**
 516  * \brief Recursive function for get_route_latency
 517  *
 518  * \param src the source host name
 519  * \param dst the destination host name
 520  * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
 521  * \param *latency the latency, if needed
 522  *
 523  * This function is called by "get_route" and "get_latency". It allows to walk
 524  * recursively through the ASes tree.
 525  */
 526 static void _get_route_and_latency(RoutingEdgePtr src, RoutingEdgePtr dst,
 527                                    xbt_dynar_t * links, double *latency)
 528 {
 529   s_sg_platf_route_cbarg_t route;
 530   memset(&route,0,sizeof(route));
 531
 532   xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
 533   XBT_DEBUG("Solve route/latency  \"%s\" to \"%s\"", src->getName(), dst->getName());
 534
 535   /* Find how src and dst are interconnected */
 536   AsPtr common_father, src_father, dst_father;
 537   elements_father(src, dst, &common_father, &src_father, &dst_father);
 538   XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
 539       common_father->p_name, src_father->p_name, dst_father->p_name);
 540
 541   /* Check whether a direct bypass is defined */
 542   sg_platf_route_cbarg_t e_route_bypass = NULL;
 543   //FIXME:REMOVE:if (common_father->get_bypass_route)
 544
 545   e_route_bypass = common_father->getBypassRoute(src, dst, latency);
 546
 547   /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
 548   if (e_route_bypass) {
 549     xbt_dynar_merge(links, &e_route_bypass->link_list);
 550     generic_free_route(e_route_bypass);
 551     return;
 552   }
 553
 554   /* If src and dst are in the same AS, life is good */
 555   if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
 556     route.link_list = *links;
 557     common_father->getRouteAndLatency(src, dst, &route, latency);
 558     // if vivaldi latency+=vivaldi(src,dst)
 559     return;
 560   }
 561
 562   /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
 563
 564   route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
 565   // Find the net_card corresponding to father
 566   RoutingEdgePtr src_father_net_elm = src_father->p_netElem;
 567   RoutingEdgePtr dst_father_net_elm = dst_father->p_netElem;
 568
 569   common_father->getRouteAndLatency(src_father_net_elm, dst_father_net_elm,
 570                                     &route, latency);
 571
 572   xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
 573       "bad gateways for route from \"%s\" to \"%s\"", src->getName(), dst->getName());
 574
 575   sg_routing_edge_t src_gateway_net_elm = route.gw_src;
 576   sg_routing_edge_t dst_gateway_net_elm = route.gw_dst;
 577
 578   /* If source gateway is not our source, we have to recursively find our way up to this point */
 579   if (src != src_gateway_net_elm)
 580     _get_route_and_latency(src, src_gateway_net_elm, links, latency);
 581   xbt_dynar_merge(links, &route.link_list);
 582
 583   /* If dest gateway is not our destination, we have to recursively find our way from this point */
 584   if (dst_gateway_net_elm != dst)
 585     _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
 586
 587   // if vivaldi latency+=vivaldi(src_gateway,dst_gateway)
 588 }
 589
 590 AS_t surf_platf_get_root(routing_platf_t platf){
 591   return platf->p_root;
 592 }
 593
 594 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_routing_edge_t edge){
 595   return edge->getRcType();
 596 }
 597
 598
 599 /**
 600  * \brief Find a route between hosts
 601  *
 602  * \param src the network_element_t for src host
 603  * \param dst the network_element_t for dst host
 604  * \param route where to store the list of links.
 605  *              If *route=NULL, create a short lived dynar. Else, fill the provided dynar
 606  * \param latency where to store the latency experienced on the path (or NULL if not interested)
 607  *                It is the caller responsability to initialize latency to 0 (we add to provided route)
 608  * \pre route!=NULL
 609  *
 610  * walk through the routing components tree and find a route between hosts
 611  * by calling the differents "get_route" functions in each routing component.
 612  */
 613 void RoutingPlatf::getRouteAndLatency(RoutingEdgePtr src, RoutingEdgePtr dst,
 614                                    xbt_dynar_t* route, double *latency)
 615 {
 616   XBT_DEBUG("routing_get_route_and_latency from %s to %s", src->getName(), dst->getName());
 617   if (!*route) {
 618     xbt_dynar_reset(routing_platf->p_lastRoute);
 619     *route = routing_platf->p_lastRoute;
 620   }
 621
 622   _get_route_and_latency(src, dst, route, latency);
 623
 624   xbt_assert(!latency || *latency >= 0.0,
 625              "negative latency on route between \"%s\" and \"%s\"", src->getName(), dst->getName());
 626 }
 627
 628 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
 629   return recursiveGetOneLinkRoutes(p_root);
 630 }
 631
 632 xbt_dynar_t RoutingPlatf::recursiveGetOneLinkRoutes(AsPtr rc)
 633 {
 634   xbt_dynar_t ret = xbt_dynar_new(sizeof(OnelinkPtr), xbt_free);
 635
 636   //adding my one link routes
 637   xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
 638   if (onelink_mine)
 639     xbt_dynar_merge(&ret,&onelink_mine);
 640
 641   //recursing
 642   char *key;
 643   xbt_dict_cursor_t cursor = NULL;
 644   AS_t rc_child;
 645   xbt_dict_foreach(rc->p_routingSons, cursor, key, rc_child) {
 646     xbt_dynar_t onelink_child = recursiveGetOneLinkRoutes(rc_child);
 647     if (onelink_child)
 648       xbt_dynar_merge(&ret,&onelink_child);
 649   }
 650   return ret;
 651 }
 652
 653 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
 654 {
 655   RoutingEdgePtr rc = sg_routing_edge_by_name_or_null(name);
 656   if (rc)
 657     return rc->getRcType();
 658
 659   return SURF_NETWORK_ELEMENT_NULL;
 660 }
 661
 662 /**
 663  * \brief Generic method: create the global routing schema
 664  *
 665  * Make a global routing structure and set all the parsing functions.
 666  */
 667 void routing_model_create( void *loopback)
 668 {
 669   /* config the uniq global routing */
 670   routing_platf = new RoutingPlatf();
 671   routing_platf->p_root = NULL;
 672   routing_platf->p_loopback = loopback;
 673   routing_platf->p_lastRoute = xbt_dynar_new(sizeof(sg_routing_link_t),NULL);
 674   /* no current routing at moment */
 675   current_routing = NULL;
 676 }
 677
 678
 679 /* ************************************************** */
 680 /* ********** PATERN FOR NEW ROUTING **************** */
 681
 682 /* The minimal configuration of a new routing model need the next functions,
 683  * also you need to set at the start of the file, the new model in the model
 684  * list. Remember keep the null ending of the list.
 685  */
 686 /*** Routing model structure ***/
 687 // typedef struct {
 688 //   s_routing_component_t generic_routing;
 689 //   /* things that your routing model need */
 690 // } s_routing_component_NEW_t,*routing_component_NEW_t;
 691
 692 /*** Parse routing model functions ***/
 693 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
 694 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
 695 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
 696 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
 697 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
 698
 699 /*** Business methods ***/
 700 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
 701 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
 702 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
 703
 704 /*** Creation routing model functions ***/
 705 // static void* model_NEW_create(void) {
 706 //   routing_component_NEW_t new_component =  xbt_new0(s_routing_component_NEW_t,1);
 707 //   new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
 708 //   new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
 709 //   new_component->generic_routing.set_route = model_NEW_set_route;
 710 //   new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
 711 //   new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
 712 //   new_component->generic_routing.get_route = NEW_get_route;
 713 //   new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
 714 //   new_component->generic_routing.finalize = NEW_finalize;
 715 //   /* initialization of internal structures */
 716 //   return new_component;
 717 // } /* mandatory */
 718 // static void  model_NEW_load(void) {}   /* mandatory */
 719 // static void  model_NEW_unload(void) {} /* mandatory */
 720 // static void  model_NEW_end(void) {}    /* mandatory */
 721
 722 /* ************************************************************************** */
 723 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
 724
 725 void routing_cluster_add_backbone(void* bb) {
 726   xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER],
 727         "You have to be in model Cluster to use tag backbone!");
 728   xbt_assert(!surf_as_cluster_get_backbone(current_routing), "The backbone link is already defined!");
 729   surf_as_cluster_set_backbone(current_routing, bb);
 730   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->p_name);
 731 }
 732
 733 static void routing_parse_cabinet(sg_platf_cabinet_cbarg_t cabinet)
 734 {
 735   int start, end, i;
 736   char *groups , *host_id , *link_id = NULL;
 737   unsigned int iter;
 738   xbt_dynar_t radical_elements;
 739   xbt_dynar_t radical_ends;
 740
 741   //Make all hosts
 742   radical_elements = xbt_str_split(cabinet->radical, ",");
 743   xbt_dynar_foreach(radical_elements, iter, groups) {
 744
 745     radical_ends = xbt_str_split(groups, "-");
 746     start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 747
 748     switch (xbt_dynar_length(radical_ends)) {
 749     case 1:
 750       end = start;
 751       break;
 752     case 2:
 753       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 754       break;
 755     default:
 756       surf_parse_error("Malformed radical");
 757       break;
 758     }
 759     s_sg_platf_host_cbarg_t host;
 760     memset(&host, 0, sizeof(host));
 761     host.initial_state = SURF_RESOURCE_ON;
 762     host.pstate = 0;
 763     host.power_scale = 1.0;
 764     host.core_amount = 1;
 765
 766     s_sg_platf_link_cbarg_t link;
 767     memset(&link, 0, sizeof(link));
 768     link.state = SURF_RESOURCE_ON;
 769     link.policy = SURF_LINK_FULLDUPLEX;
 770     link.latency = cabinet->lat;
 771     link.bandwidth = cabinet->bw;
 772
 773     s_sg_platf_host_link_cbarg_t host_link;
 774     memset(&host_link, 0, sizeof(host_link));
 775
 776     for (i = start; i <= end; i++) {
 777       host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
 778       link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
 779       host.id = host_id;
 780       link.id = link_id;
 781       xbt_dynar_t power_state_list = xbt_dynar_new(sizeof(double), NULL);
 782       xbt_dynar_push(power_state_list,&cabinet->power);
 783       host.power_peak = power_state_list;
 784       sg_platf_new_host(&host);
 785       sg_platf_new_link(&link);
 786
 787       char* link_up = bprintf("%s_UP",link_id);
 788       char* link_down = bprintf("%s_DOWN",link_id);
 789       host_link.id = host_id;
 790       host_link.link_up = link_up;
 791       host_link.link_down= link_down;
 792       sg_platf_new_host_link(&host_link);
 793
 794       free(host_id);
 795       free(link_id);
 796       free(link_up);
 797       free(link_down);
 798     }
 799
 800     xbt_dynar_free(&radical_ends);
 801   }
 802   xbt_dynar_free(&radical_elements);
 803 }
 804
 805 static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
 806 {
 807   char *host_id, *groups, *link_id = NULL;
 808   xbt_dict_t patterns = NULL;
 809   int rankId=0;
 810
 811   s_sg_platf_host_cbarg_t host;
 812   s_sg_platf_link_cbarg_t link;
 813
 814   unsigned int iter;
 815   int start, end, i;
 816   xbt_dynar_t radical_elements;
 817   xbt_dynar_t radical_ends;
 818
 819   if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
 820       || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
 821     patterns = xbt_dict_new_homogeneous(xbt_free_f);
 822     xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
 823     xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
 824     xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
 825   }
 826
 827   /* parse the topology attribute. If we are not in a flat cluster,
 828    * switch to the right mode and initialize the routing with
 829    * the parameters in topo_parameters attribute
 830    */
 831   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
 832   AS.id = cluster->id;
 833
 834   if(cluster->topology == SURF_CLUSTER_TORUS){
 835     XBT_DEBUG("<AS id=\"%s\"\trouting=\"Torus_Cluster\">", cluster->id);
 836     AS.routing = A_surfxml_AS_routing_Cluster___torus;
 837     sg_platf_new_AS_begin(&AS);
 838     ((AsClusterTorusPtr)current_routing)->parse_specific_arguments(cluster);
 839   }else{
 840     XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", cluster->id);
 841     AS.routing = A_surfxml_AS_routing_Cluster;
 842     sg_platf_new_AS_begin(&AS);
 843   }
 844
 845   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 846       ((AsClusterPtr)current_routing)->p_nb_links_per_node++;
 847       ((AsClusterPtr)current_routing)->p_has_loopback=1;
 848   }
 849
 850   if(cluster->limiter_link!=0){
 851       ((AsClusterPtr)current_routing)->p_nb_links_per_node++;
 852       ((AsClusterPtr)current_routing)->p_has_limiter=1;
 853   }
 854
 855
 856
 857   current_routing->p_linkUpDownList
 858             = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
 859
 860   //Make all hosts
 861   radical_elements = xbt_str_split(cluster->radical, ",");
 862   xbt_dynar_foreach(radical_elements, iter, groups) {
 863
 864     radical_ends = xbt_str_split(groups, "-");
 865     start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
 866
 867     switch (xbt_dynar_length(radical_ends)) {
 868     case 1:
 869       end = start;
 870       break;
 871     case 2:
 872       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
 873       break;
 874     default:
 875       surf_parse_error("Malformed radical");
 876       break;
 877     }
 878     for (i = start; i <= end; i++) {
 879       host_id =
 880           bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
 881       link_id = bprintf("%s_link_%d", cluster->id, i);
 882
 883       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->power);
 884
 885       memset(&host, 0, sizeof(host));
 886       host.id = host_id;
 887       if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
 888         xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
 889         char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
 890         XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
 891         host.power_trace = tmgr_trace_new_from_file(avail_file);
 892         xbt_free(avail_file);
 893       } else {
 894         XBT_DEBUG("\tavailability_file=\"\"");
 895       }
 896
 897       if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
 898         char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
 899         XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
 900         host.state_trace = tmgr_trace_new_from_file(avail_file);
 901         xbt_free(avail_file);
 902       } else {
 903         XBT_DEBUG("\tstate_file=\"\"");
 904       }
 905
 906       xbt_dynar_t power_state_list = xbt_dynar_new(sizeof(double), NULL);
 907       xbt_dynar_push(power_state_list,&cluster->power);
 908       host.power_peak = power_state_list;
 909       host.pstate = 0;
 910
 911       //host.power_peak = cluster->power;
 912       host.power_scale = 1.0;
 913       host.core_amount = cluster->core_amount;
 914       host.initial_state = SURF_RESOURCE_ON;
 915       host.coord = "";
 916       sg_platf_new_host(&host);
 917       XBT_DEBUG("</host>");
 918
 919       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
 920                 cluster->bw, cluster->lat);
 921
 922
 923       s_surf_parsing_link_up_down_t info_lim, info_loop;
 924       // All links are saved in a matrix;
 925       // every row describes a single node; every node
 926       // may have multiple links.
 927       // the first column may store a link from x to x if p_has_loopback is set
 928       // the second column may store a limiter link if p_has_limiter is set
 929       // other columns are to store one or more link for the node
 930
 931       //add a loopback link
 932       if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
 933         char *tmp_link = bprintf("%s_loopback", link_id);
 934         XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 935                 cluster->limiter_link);
 936
 937
 938         memset(&link, 0, sizeof(link));
 939         link.id = tmp_link;
 940         link.bandwidth = cluster->loopback_bw;
 941         link.latency = cluster->loopback_lat;
 942         link.state = SURF_RESOURCE_ON;
 943         link.policy = SURF_LINK_FATPIPE;
 944         sg_platf_new_link(&link);
 945         info_loop.link_up =
 946             xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
 947         info_loop.link_down = info_loop.link_up;
 948         free(tmp_link);
 949         xbt_dynar_set(current_routing->p_linkUpDownList, rankId*((AsClusterPtr)current_routing)->p_nb_links_per_node, &info_loop);
 950       }
 951
 952       //add a limiter link (shared link to account for maximal bandwidth of the node)
 953       if(cluster->limiter_link!=0){
 954         char *tmp_link = bprintf("%s_limiter", link_id);
 955         XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
 956                 cluster->limiter_link);
 957
 958
 959         memset(&link, 0, sizeof(link));
 960         link.id = tmp_link;
 961         link.bandwidth = cluster->limiter_link;
 962         link.latency = 0;
 963         link.state = SURF_RESOURCE_ON;
 964         link.policy = SURF_LINK_SHARED;
 965         sg_platf_new_link(&link);
 966         info_lim.link_up =
 967             xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
 968         info_lim.link_down = info_lim.link_up;
 969         free(tmp_link);
 970         xbt_dynar_set(current_routing->p_linkUpDownList,
 971             rankId*((AsClusterPtr)current_routing)->p_nb_links_per_node + ((AsClusterPtr)current_routing)->p_has_loopback ,
 972             &info_lim);
 973
 974       }
 975
 976
 977       //call the cluster function that adds the others links
 978
 979       ((AsClusterPtr)current_routing)->create_links_for_node(cluster, i, rankId, rankId*
 980           ((AsClusterPtr)current_routing)->p_nb_links_per_node
 981           + ((AsClusterPtr)current_routing)->p_has_loopback
 982           + ((AsClusterPtr)current_routing)->p_has_limiter );
 983
 984       xbt_free(link_id);
 985       xbt_free(host_id);
 986       rankId++;
 987     }
 988
 989     xbt_dynar_free(&radical_ends);
 990   }
 991   xbt_dynar_free(&radical_elements);
 992
 993   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
 994   // and it's very useful to connect clusters together
 995   XBT_DEBUG(" ");
 996   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
 997   char *newid = NULL;
 998   s_sg_platf_router_cbarg_t router;
 999   memset(&router, 0, sizeof(router));
1000   router.id = cluster->router_id;
1001   router.coord = "";
1002   if (!router.id || !strcmp(router.id, ""))
1003     router.id = newid =
1004         bprintf("%s%s_router%s", cluster->prefix, cluster->id,
1005                 cluster->suffix);
1006   sg_platf_new_router(&router);
1007   ((AsClusterPtr)current_routing)->p_router = (RoutingEdgePtr) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
1008   free(newid);
1009
1010   //Make the backbone
1011   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
1012     char *link_backbone = bprintf("%s_backbone", cluster->id);
1013     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
1014               cluster->bb_bw, cluster->bb_lat);
1015
1016     memset(&link, 0, sizeof(link));
1017     link.id = link_backbone;
1018     link.bandwidth = cluster->bb_bw;
1019     link.latency = cluster->bb_lat;
1020     link.state = SURF_RESOURCE_ON;
1021     link.policy = cluster->bb_sharing_policy;
1022
1023     sg_platf_new_link(&link);
1024
1025     routing_cluster_add_backbone(xbt_lib_get_or_null(link_lib, link_backbone, SURF_LINK_LEVEL));
1026
1027     free(link_backbone);
1028   }
1029
1030   XBT_DEBUG("</AS>");
1031   sg_platf_new_AS_end();
1032   XBT_DEBUG(" ");
1033   xbt_dict_free(&patterns); // no op if it were never set
1034 }
1035
1036 static void routing_parse_postparse(void) {
1037   xbt_dict_free(&random_value);
1038 }
1039
1040 static void routing_parse_peer(sg_platf_peer_cbarg_t peer)
1041 {
1042   char *host_id = NULL;
1043   char *link_id = NULL;
1044   char *router_id = NULL;
1045
1046   XBT_DEBUG(" ");
1047   host_id = HOST_PEER(peer->id);
1048   link_id = LINK_PEER(peer->id);
1049   router_id = ROUTER_PEER(peer->id);
1050
1051   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
1052   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
1053   AS.id = peer->id;
1054   AS.routing = A_surfxml_AS_routing_Cluster;
1055   sg_platf_new_AS_begin(&AS);
1056
1057   current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
1058
1059   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->power);
1060   s_sg_platf_host_cbarg_t host;
1061   memset(&host, 0, sizeof(host));
1062   host.initial_state = SURF_RESOURCE_ON;
1063   host.id = host_id;
1064
1065   xbt_dynar_t power_state_list = xbt_dynar_new(sizeof(double), NULL);
1066   xbt_dynar_push(power_state_list,&peer->power);
1067   host.power_peak = power_state_list;
1068   host.pstate = 0;
1069   //host.power_peak = peer->power;
1070   host.power_scale = 1.0;
1071   host.power_trace = peer->availability_trace;
1072   host.state_trace = peer->state_trace;
1073   host.core_amount = 1;
1074   sg_platf_new_host(&host);
1075
1076   s_sg_platf_link_cbarg_t link;
1077   memset(&link, 0, sizeof(link));
1078   link.state = SURF_RESOURCE_ON;
1079   link.policy = SURF_LINK_SHARED;
1080   link.latency = peer->lat;
1081
1082   char* link_up = bprintf("%s_UP",link_id);
1083   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
1084             peer->bw_out, peer->lat);
1085   link.id = link_up;
1086   link.bandwidth = peer->bw_out;
1087   sg_platf_new_link(&link);
1088
1089   char* link_down = bprintf("%s_DOWN",link_id);
1090   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
1091             peer->bw_in, peer->lat);
1092   link.id = link_down;
1093   link.bandwidth = peer->bw_in;
1094   sg_platf_new_link(&link);
1095
1096   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
1097   s_sg_platf_host_link_cbarg_t host_link;
1098   memset(&host_link, 0, sizeof(host_link));
1099   host_link.id = host_id;
1100   host_link.link_up = link_up;
1101   host_link.link_down= link_down;
1102   sg_platf_new_host_link(&host_link);
1103
1104   XBT_DEBUG("<router id=\"%s\"/>", router_id);
1105   s_sg_platf_router_cbarg_t router;
1106   memset(&router, 0, sizeof(router));
1107   router.id = router_id;
1108   router.coord = peer->coord;
1109   sg_platf_new_router(&router);
1110   static_cast<AsClusterPtr>(current_routing)->p_router = static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
1111
1112   XBT_DEBUG("</AS>");
1113   sg_platf_new_AS_end();
1114   XBT_DEBUG(" ");
1115
1116   //xbt_dynar_free(&tab_elements_num);
1117   free(router_id);
1118   free(host_id);
1119   free(link_id);
1120   free(link_up);
1121   free(link_down);
1122 }
1123
1124 // static void routing_parse_Srandom(void)
1125 // {
1126 //   double mean, std, min, max, seed;
1127 //   char *random_id = A_surfxml_random_id;
1128 //   char *random_radical = A_surfxml_random_radical;
1129 //   char *rd_name = NULL;
1130 //   char *rd_value;
1131 //   mean = surf_parse_get_double(A_surfxml_random_mean);
1132 //   std = surf_parse_get_double(A_surfxml_random_std___deviation);
1133 //   min = surf_parse_get_double(A_surfxml_random_min);
1134 //   max = surf_parse_get_double(A_surfxml_random_max);
1135 //   seed = surf_parse_get_double(A_surfxml_random_seed);
1136
1137 //   double res = 0;
1138 //   int i = 0;
1139 //   random_data_t random = xbt_new0(s_random_data_t, 1);
1140 //   char *tmpbuf;
1141
1142 //   xbt_dynar_t radical_elements;
1143 //   unsigned int iter;
1144 //   char *groups;
1145 //   int start, end;
1146 //   xbt_dynar_t radical_ends;
1147
1148 //   switch (A_surfxml_random_generator) {
1149 //   case AU_surfxml_random_generator:
1150 //   case A_surfxml_random_generator_NONE:
1151 //     random->generator = NONE;
1152 //     break;
1153 //   case A_surfxml_random_generator_DRAND48:
1154 //     random->generator = DRAND48;
1155 //     break;
1156 //   case A_surfxml_random_generator_RAND:
1157 //     random->generator = RAND;
1158 //     break;
1159 //   case A_surfxml_random_generator_RNGSTREAM:
1160 //     random->generator = RNGSTREAM;
1161 //     break;
1162 //   default:
1163 //     surf_parse_error("Invalid random generator");
1164 //     break;
1165 //   }
1166 //   random->seed = seed;
1167 //   random->min = min;
1168 //   random->max = max;
1169
1170 //   /* Check user stupidities */
1171 //   if (max < min)
1172 //     THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
1173 //   if (mean < min)
1174 //     THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
1175 //   if (mean > max)
1176 //     THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
1177
1178 //   /* normalize the mean and standard deviation before storing */
1179 //   random->mean = (mean - min) / (max - min);
1180 //   random->std = std / (max - min);
1181
1182 //   if (random->mean * (1 - random->mean) < random->std * random->std)
1183 //     THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
1184 //            random->mean, random->std);
1185
1186 //   XBT_DEBUG
1187 //       ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
1188 //        random_id, random->min, random->max, random->mean, random->std,
1189 //        (int)random->generator, random->seed, random_radical);
1190
1191 //   if (!random_value)
1192 //     random_value = xbt_dict_new_homogeneous(free);
1193
1194 //   if (!strcmp(random_radical, "")) {
1195 //     res = random_generate(random);
1196 //     rd_value = bprintf("%f", res);
1197 //     xbt_dict_set(random_value, random_id, rd_value, NULL);
1198 //   } else {
1199 //     radical_elements = xbt_str_split(random_radical, ",");
1200 //     xbt_dynar_foreach(radical_elements, iter, groups) {
1201 //       radical_ends = xbt_str_split(groups, "-");
1202 //       switch (xbt_dynar_length(radical_ends)) {
1203 //       case 1:
1204 //         xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1205 //                    "Custom Random '%s' already exists !", random_id);
1206 //         res = random_generate(random);
1207 //         tmpbuf =
1208 //             bprintf("%s%d", random_id,
1209 //                     atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
1210 //         xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
1211 //         xbt_free(tmpbuf);
1212 //         break;
1213
1214 //       case 2:
1215 //         start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1216 //         end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1217 //         for (i = start; i <= end; i++) {
1218 //           xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1219 //                      "Custom Random '%s' already exists !", bprintf("%s%d",
1220 //                                                                     random_id,
1221 //                                                                     i));
1222 //           res = random_generate(random);
1223 //           tmpbuf = bprintf("%s%d", random_id, i);
1224 //           xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
1225 //           xbt_free(tmpbuf);
1226 //         }
1227 //         break;
1228 //       default:
1229 //         XBT_CRITICAL("Malformed radical");
1230 //         break;
1231 //       }
1232 //       res = random_generate(random);
1233 //       rd_name = bprintf("%s_router", random_id);
1234 //       rd_value = bprintf("%f", res);
1235 //       xbt_dict_set(random_value, rd_name, rd_value, NULL);
1236
1237 //       xbt_dynar_free(&radical_ends);
1238 //     }
1239 //     free(rd_name);
1240 //     xbt_dynar_free(&radical_elements);
1241 //   }
1242 // }
1243
1244 static void check_disk_attachment()
1245 {
1246   xbt_lib_cursor_t cursor;
1247   char *key;
1248   void **data;
1249   RoutingEdgePtr host_elm;
1250   xbt_lib_foreach(storage_lib, cursor, key, data) {
1251     if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
1252           StoragePtr storage = static_cast<StoragePtr>(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
1253           host_elm = sg_routing_edge_by_name_or_null(storage->p_attach);
1254           if(!host_elm)
1255                   surf_parse_error("Enable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
1256     }
1257   }
1258 }
1259
1260 void routing_register_callbacks()
1261 {
1262   sg_platf_host_add_cb(parse_S_host);
1263   sg_platf_router_add_cb(parse_S_router);
1264   sg_platf_host_link_add_cb(parse_S_host_link);
1265   sg_platf_route_add_cb(parse_E_route);
1266   sg_platf_ASroute_add_cb(parse_E_ASroute);
1267   sg_platf_bypassRoute_add_cb(parse_E_bypassRoute);
1268   sg_platf_bypassASroute_add_cb(parse_E_bypassASroute);
1269
1270   sg_platf_cluster_add_cb(routing_parse_cluster);
1271   sg_platf_cabinet_add_cb(routing_parse_cabinet);
1272
1273   sg_platf_peer_add_cb(routing_parse_peer);
1274   sg_platf_postparse_add_cb(routing_parse_postparse);
1275   sg_platf_postparse_add_cb(check_disk_attachment);
1276
1277   /* we care about the ASes while parsing the platf. Incredible, isnt it? */
1278   sg_platf_AS_end_add_cb(routing_AS_end);
1279   sg_platf_AS_begin_add_cb(routing_AS_begin);
1280
1281   sg_platf_trace_add_cb(routing_parse_trace);
1282   sg_platf_trace_connect_add_cb(routing_parse_trace_connect);
1283
1284 #ifdef HAVE_TRACING
1285   instr_routing_define_callbacks();
1286 #endif
1287 }
1288
1289 /**
1290  * \brief Recursive function for finalize
1291  *
1292  * \param rc the source host name
1293  *
1294  * This fuction is call by "finalize". It allow to finalize the
1295  * AS or routing components. It delete all the structures.
1296  */
1297 static void finalize_rec(AsPtr as) {
1298   xbt_dict_cursor_t cursor = NULL;
1299   char *key;
1300   AS_t elem;
1301
1302   xbt_dict_foreach(as->p_routingSons, cursor, key, elem) {
1303     finalize_rec(elem);
1304   }
1305
1306   delete as;;
1307 }
1308
1309 /** \brief Frees all memory allocated by the routing module */
1310 void routing_exit(void) {
1311   delete routing_platf;
1312 }
1313
1314 RoutingPlatf::~RoutingPlatf()
1315 {
1316         xbt_dynar_free(&p_lastRoute);
1317         finalize_rec(p_root);
1318 }
1319
1320 AS_t surf_AS_get_routing_root() {
1321   return routing_platf->p_root;
1322 }
1323
1324 const char *surf_AS_get_name(AsPtr as) {
1325   return as->p_name;
1326 }
1327
1328 xbt_dict_t surf_AS_get_routing_sons(AsPtr as) {
1329   return as->p_routingSons;
1330 }
1331
1332 const char *surf_AS_get_model(AsPtr as) {
1333   return as->p_modelDesc->name;
1334 }
1335
1336 xbt_dynar_t surf_AS_get_hosts(AsPtr as) {
1337   xbt_dynar_t elms = as->p_indexNetworkElm;
1338   sg_routing_edge_t relm;
1339   xbt_dictelm_t delm;
1340   int index;
1341   int count = xbt_dynar_length(elms);
1342   xbt_dynar_t res =  xbt_dynar_new(sizeof(xbt_dictelm_t), NULL);
1343   for (index = 0; index < count; index++) {
1344      relm = xbt_dynar_get_as(elms, index, RoutingEdgePtr);
1345      delm = xbt_lib_get_elm_or_null(host_lib, relm->getName());
1346      if (delm!=NULL) {
1347        xbt_dynar_push(res, &delm);
1348      }
1349   }
1350   return res;
1351 }
1352
1353 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
1354   as->getGraph(graph, nodes, edges);
1355 }
1356