1 /* Copyright (c) 2009, 2010, 2011. The SimGrid Team.
2 * All rights reserved. */
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. */
7 #include <pcre.h> /* regular expression library */
9 #include "simgrid/platf_interface.h" // platform creation API internal interface
11 #include "surf_routing_private.h"
12 #include "surf/surf_routing.h"
13 #include "surf/surfxml_parse_values.h"
16 * @ingroup SURF_build_api
17 * @brief A library containing all known workstations
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 level
25 int MSG_HOST_LEVEL; //Msg level
26 int SD_HOST_LEVEL; //Simdag level
27 int COORD_HOST_LEVEL=0; //Coordinates level
28 int NS3_HOST_LEVEL; //host node for ns3
31 * @ingroup SURF_build_api
32 * @brief A library containing all known links
35 int SD_LINK_LEVEL; //Simdag level
36 int SURF_LINK_LEVEL; //Surf level
37 int NS3_LINK_LEVEL; //link for ns3
39 xbt_lib_t as_router_lib;
40 int ROUTING_ASR_LEVEL; //Routing level
41 int COORD_ASR_LEVEL; //Coordinates level
42 int NS3_ASR_LEVEL; //host node for ns3
44 static xbt_dict_t random_value = NULL;
46 xbt_lib_t storage_lib;
47 int ROUTING_STORAGE_LEVEL; //Routing for storagelevel
48 int ROUTING_STORAGE_HOST_LEVEL;
49 int SURF_STORAGE_LEVEL;
51 xbt_lib_t storage_type_lib;
52 int ROUTING_STORAGE_TYPE_LEVEL; //Routing for storage_type level
55 routing_global_t global_routing = NULL;
56 AS_t current_routing = NULL;
58 /* global parse functions */
59 xbt_dynar_t parsed_link_list = NULL; /* temporary store of current list link of a route */
60 xbt_dynar_t mount_list = NULL; /* temporary store of current mount storage */
61 static const char *src = NULL; /* temporary store the source name of a route */
62 static const char *dst = NULL; /* temporary store the destination name of a route */
63 static char *gw_src = NULL; /* temporary store the gateway source name of a route */
64 static char *gw_dst = NULL; /* temporary store the gateway destination name of a route */
66 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
68 static void routing_parse_peer(sg_platf_peer_cbarg_t peer); /* peer bypass */
69 static void routing_parse_Srandom(void); /* random bypass */
71 static void routing_parse_postparse(void);
73 /* this lines are only for replace use like index in the model table */
78 SURF_MODEL_DIJKSTRACACHE,
85 struct s_model_type routing_models[] = {
87 "Full routing data (fast, large memory requirements, fully expressive)",
88 model_full_create, model_full_end},
90 "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
91 model_floyd_create, model_floyd_end},
93 "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
94 model_dijkstra_create, model_dijkstra_both_end},
96 "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
97 model_dijkstracache_create, model_dijkstra_both_end},
98 {"none", "No routing (usable with Constant network only)",
99 model_none_create, NULL},
100 {"RuleBased", "Rule-Based routing data (...)",
101 model_rulebased_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}
110 * \brief Add a "host" to the network element list
112 static void parse_S_host(sg_platf_host_cbarg_t host)
114 network_element_t info = NULL;
115 if (current_routing->hierarchy == SURF_ROUTING_NULL)
116 current_routing->hierarchy = SURF_ROUTING_BASE;
117 xbt_assert(!xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL),
118 "Reading a host, processing unit \"%s\" already exists", host->id);
120 info = xbt_new0(s_network_element_t, 1);
121 info->rc_component = current_routing;
122 info->rc_type = SURF_NETWORK_ELEMENT_HOST;
123 info->name = xbt_strdup(host->id);
124 info->id = current_routing->parse_PU(current_routing, (void *) info);
125 xbt_lib_set(host_lib, host->id, ROUTING_HOST_LEVEL, (void *) info);
126 XBT_DEBUG("Having set name '%s' id '%d'",host->id,info->id);
129 xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
133 if (host->coord && strcmp(host->coord, "")) {
137 if (!COORD_HOST_LEVEL)
138 xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
139 /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
140 xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
141 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
142 xbt_dynar_foreach(ctn_str,cursor, str) {
143 double val = atof(str);
144 xbt_dynar_push(ctn,&val);
146 xbt_dynar_shrink(ctn, 0);
147 xbt_dynar_free(&ctn_str);
148 xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn);
149 XBT_DEBUG("Having set host coordinates for '%s'",host->id);
154 * \brief Add a "router" to the network element list
156 static void parse_S_router(sg_platf_router_cbarg_t router)
158 network_element_t info = NULL;
159 if (current_routing->hierarchy == SURF_ROUTING_NULL)
160 current_routing->hierarchy = SURF_ROUTING_BASE;
161 xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
162 "Reading a router, processing unit \"%s\" already exists",
165 info = xbt_new0(s_network_element_t, 1);
166 info->rc_component = current_routing;
167 info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
168 info->name = xbt_strdup(router->id);
169 info->id = current_routing->parse_PU(current_routing, (void *) info);
170 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
171 XBT_DEBUG("Having set name '%s' id '%d'",router->id,info->id);
173 if (strcmp(router->coord, "")) {
177 if (!COORD_ASR_LEVEL)
178 xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
179 /* Pre-parse the host coordinates */
180 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
181 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
182 xbt_dynar_foreach(ctn_str,cursor, str) {
183 double val = atof(str);
184 xbt_dynar_push(ctn,&val);
186 xbt_dynar_shrink(ctn, 0);
187 xbt_dynar_free(&ctn_str);
188 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
189 XBT_DEBUG("Having set router coordinates for '%s'",router->id);
195 * \brief Set the end points for a route
197 static void routing_parse_S_route(void)
199 if (src != NULL && dst != NULL && parsed_link_list != NULL)
200 THROWF(arg_error, 0, "Route between %s to %s can not be defined",
201 A_surfxml_route_src, A_surfxml_route_dst);
202 src = A_surfxml_route_src;
203 dst = A_surfxml_route_dst;
204 xbt_assert(strlen(src) > 0 || strlen(dst) > 0,
205 "Some limits are null in the route between \"%s\" and \"%s\"",
207 parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
211 * \brief Set the end points and gateways for a ASroute
213 static void routing_parse_S_ASroute(void)
215 if (src != NULL && dst != NULL && parsed_link_list != NULL)
216 THROWF(arg_error, 0, "Route between %s to %s can not be defined",
217 A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
218 src = A_surfxml_ASroute_src;
219 dst = A_surfxml_ASroute_dst;
220 gw_src = A_surfxml_ASroute_gw_src;
221 gw_dst = A_surfxml_ASroute_gw_dst;
222 xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
223 || strlen(gw_dst) > 0,
224 "Some limits are null in the route between \"%s\" and \"%s\"",
226 parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
230 * \brief Set the end points for a bypassRoute
232 static void routing_parse_S_bypassRoute(void)
234 if (src != NULL && dst != NULL && parsed_link_list != NULL)
236 "Bypass Route between %s to %s can not be defined",
237 A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
238 src = A_surfxml_bypassRoute_src;
239 dst = A_surfxml_bypassRoute_dst;
240 gw_src = A_surfxml_bypassRoute_gw_src;
241 gw_dst = A_surfxml_bypassRoute_gw_dst;
242 xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
243 || strlen(gw_dst) > 0,
244 "Some limits are null in the route between \"%s\" and \"%s\"",
246 parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
250 * \brief Set a new link on the actual list of link for a route or ASroute from XML
253 static void routing_parse_link_ctn(void)
256 switch (A_surfxml_link_ctn_direction) {
257 case AU_surfxml_link_ctn_direction:
258 case A_surfxml_link_ctn_direction_NONE:
259 link_id = xbt_strdup(A_surfxml_link_ctn_id);
261 case A_surfxml_link_ctn_direction_UP:
262 link_id = bprintf("%s_UP", A_surfxml_link_ctn_id);
264 case A_surfxml_link_ctn_direction_DOWN:
265 link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
268 xbt_dynar_push(parsed_link_list, &link_id);
272 * \brief Store the route by calling the set_route function of the current routing component
274 static void routing_parse_E_route(void)
276 route_t route = xbt_new0(s_route_t, 1);
277 route->link_list = parsed_link_list;
278 xbt_assert(current_routing->parse_route,
279 "no defined method \"set_route\" in \"%s\"",
280 current_routing->name);
281 current_routing->parse_route(current_routing, src, dst, route);
282 generic_free_route(route);
283 parsed_link_list = NULL;
289 * \brief Store the ASroute by calling the set_ASroute function of the current routing component
291 static void routing_parse_E_ASroute(void)
293 route_t e_route = xbt_new0(s_route_t, 1);
294 e_route->link_list = parsed_link_list;
296 if(!strcmp(current_routing->model_desc->name,"RuleBased")) {
297 e_route->src_gateway = (network_element_t) gw_src; // DIRTY HACK possible only
298 e_route->dst_gateway = (network_element_t) gw_dst; // because of what is in routing_parse_E_ASroute
301 e_route->src_gateway = ((network_element_t)xbt_lib_get_or_null(as_router_lib,gw_src,ROUTING_ASR_LEVEL));
302 if(!e_route->src_gateway)
303 e_route->src_gateway = ((network_element_t)xbt_lib_get_or_null(host_lib,gw_src,ROUTING_HOST_LEVEL));
304 e_route->dst_gateway = ((network_element_t)xbt_lib_get_or_null(as_router_lib,gw_dst,ROUTING_ASR_LEVEL));
305 if(!e_route->dst_gateway)
306 e_route->dst_gateway = ((network_element_t)xbt_lib_get_or_null(host_lib,gw_dst,ROUTING_HOST_LEVEL));
308 xbt_assert(current_routing->parse_ASroute,
309 "no defined method \"set_ASroute\" in \"%s\"",
310 current_routing->name);
311 current_routing->parse_ASroute(current_routing, src, dst, e_route);
312 generic_free_route(e_route);
313 parsed_link_list = NULL;
321 * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
323 static void routing_parse_E_bypassRoute(void)
325 route_t e_route = xbt_new0(s_route_t, 1);
326 e_route->link_list = parsed_link_list;
327 e_route->src_gateway = ((network_element_t)xbt_lib_get_or_null(as_router_lib,gw_src,ROUTING_ASR_LEVEL));
328 if(!e_route->src_gateway)
329 e_route->src_gateway = ((network_element_t)xbt_lib_get_or_null(host_lib,gw_src,ROUTING_HOST_LEVEL));
330 e_route->dst_gateway = ((network_element_t)xbt_lib_get_or_null(as_router_lib,gw_dst,ROUTING_ASR_LEVEL));
331 if(!e_route->dst_gateway)
332 e_route->dst_gateway = ((network_element_t)xbt_lib_get_or_null(host_lib,gw_dst,ROUTING_HOST_LEVEL));
333 xbt_assert(current_routing->parse_bypassroute,
334 "Bypassing mechanism not implemented by routing '%s'",
335 current_routing->name);
336 current_routing->parse_bypassroute(current_routing, src, dst, e_route);
337 parsed_link_list = NULL;
345 * \brief Make a new routing component to the platform
347 * Add a new autonomous system to the platform. Any elements (such as host,
348 * router or sub-AS) added after this call and before the corresponding call
349 * to sg_platf_new_AS_close() will be added to this AS.
351 * Once this function was called, the configuration concerning the used
352 * models cannot be changed anymore.
354 * @param AS_id name of this autonomous system. Must be unique in the platform
355 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
357 void routing_AS_begin(const char *AS_id, const char *wanted_routing_type)
360 routing_model_description_t model = NULL;
363 xbt_assert(!xbt_lib_get_or_null
364 (as_router_lib, AS_id, ROUTING_ASR_LEVEL),
365 "The AS \"%s\" already exists", AS_id);
367 /* search the routing model */
368 for (cpt = 0; routing_models[cpt].name; cpt++)
369 if (!strcmp(wanted_routing_type, routing_models[cpt].name))
370 model = &routing_models[cpt];
371 /* if its not exist, error */
373 fprintf(stderr, "Routing model %s not found. Existing models:\n",
374 wanted_routing_type);
375 for (cpt = 0; routing_models[cpt].name; cpt++)
376 fprintf(stderr, " %s: %s\n", routing_models[cpt].name,
377 routing_models[cpt].desc);
381 /* make a new routing component */
382 new_as = (AS_t) model->create();
383 new_as->model_desc = model;
384 new_as->hierarchy = SURF_ROUTING_NULL;
385 new_as->name = xbt_strdup(AS_id);
387 network_element_t info = NULL;
388 info = xbt_new0(s_network_element_t, 1);
390 if (current_routing == NULL && global_routing->root == NULL) {
392 /* it is the first one */
393 new_as->routing_father = NULL;
394 global_routing->root = new_as;
396 } else if (current_routing != NULL && global_routing->root != NULL) {
398 xbt_assert(!xbt_dict_get_or_null
399 (current_routing->routing_sons, AS_id),
400 "The AS \"%s\" already exists", AS_id);
401 /* it is a part of the tree */
402 new_as->routing_father = current_routing;
403 /* set the father behavior */
404 if (current_routing->hierarchy == SURF_ROUTING_NULL)
405 current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
406 /* add to the sons dictionary */
407 xbt_dict_set(current_routing->routing_sons, AS_id,
408 (void *) new_as, NULL);
409 /* add to the father element list */
410 info->id = current_routing->parse_AS(current_routing, (void *) info);
412 THROWF(arg_error, 0, "All defined components must be belong to a AS");
415 info->rc_component = new_as->routing_father;
416 info->rc_type = SURF_NETWORK_ELEMENT_AS;
417 info->name = new_as->name;
419 xbt_lib_set(as_router_lib, new_as->name, ROUTING_ASR_LEVEL,
421 XBT_DEBUG("Having set name '%s' id '%d'",new_as->name,info->id);
423 /* set the new current component of the tree */
424 current_routing = new_as;
425 current_routing->net_elem = info;
430 * \brief Specify that the current description of AS is finished
432 * Once you've declared all the content of your AS, you have to close
433 * it with this call. Your AS is not usable until you call this function.
435 * @fixme: this call is not as robust as wanted: bad things WILL happen
436 * if you call it twice for the same AS, or if you forget calling it, or
437 * even if you add stuff to a closed AS
440 void routing_AS_end()
443 if (current_routing == NULL) {
444 THROWF(arg_error, 0, "Close an AS, but none was under construction");
446 if (current_routing->model_desc->end)
447 current_routing->model_desc->end(current_routing);
448 current_routing = current_routing->routing_father;
452 /* Aux Business methods */
455 * \brief Get the AS father and the first elements of the chain
457 * \param src the source host name
458 * \param dst the destination host name
460 * Get the common father of the to processing units, and the first different
461 * father in the chain
463 static void elements_father(network_element_t src, network_element_t dst,
468 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
469 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
471 AS_t path_src[ELEMENTS_FATHER_MAXDEPTH];
472 AS_t path_dst[ELEMENTS_FATHER_MAXDEPTH];
480 /* (1) find the as where the src and dst are located */
481 network_element_t src_data = src;
482 network_element_t dst_data = dst;
483 src_as = src_data->rc_component;
484 dst_as = dst_data->rc_component;
486 char* src_name = src_data->name;
487 char* dst_name = dst_data->name;
490 xbt_assert(src_as && dst_as,
491 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
493 /* (2) find the path to the root routing component */
494 for (current = src_as; current != NULL; current = current->routing_father) {
495 if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
496 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
497 path_src[index_src++] = current;
499 for (current = dst_as; current != NULL; current = current->routing_father) {
500 if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
501 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
502 path_dst[index_dst++] = current;
505 /* (3) find the common father */
507 current_src = path_src[--index_src];
508 current_dst = path_dst[--index_dst];
509 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
511 /* (4) they are not in the same routing component, make the path */
512 if (current_src == current_dst)
513 father = current_src;
515 father = path_src[index_src + 1];
517 /* (5) result generation */
518 *res_father = father; /* first the common father of src and dst */
519 *res_src = current_src; /* second the first different father of src */
520 *res_dst = current_dst; /* three the first different father of dst */
522 #undef ELEMENTS_FATHER_MAXDEPTH
525 /* Global Business methods */
528 * \brief Recursive function for get_route_latency
530 * \param src the source host name
531 * \param dst the destination host name
532 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
533 * \param *latency the latency, if needed
535 * This function is called by "get_route" and "get_latency". It allows to walk
536 * recursively through the ASes tree.
538 static void _get_route_and_latency(network_element_t src, network_element_t dst,
539 xbt_dynar_t * links, double *latency)
542 memset(&route,0,sizeof(route));
544 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name, dst->name);
545 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
547 /* Find how src and dst are interconnected */
548 AS_t common_father, src_father, dst_father;
549 elements_father(src, dst, &common_father, &src_father, &dst_father);
550 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
551 common_father->name,src_father->name,dst_father->name);
553 /* If src and dst are in the same AS, life is good */
554 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
556 route.link_list = *links;
558 common_father->get_route_and_latency(common_father, src, dst, &route,latency);
562 /* If we are here, src and dst are not in the same AS; check whether a direct bypass is defined */
564 route_t e_route_bypass = NULL;
565 if (common_father->get_bypass_route)
566 e_route_bypass = common_father->get_bypass_route(common_father, src, dst);
568 if (e_route_bypass) { /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
570 xbt_die("Bypass cannot work yet with get_latency"); // FIXME: get_bypass_route should update the latency itself, just like get_route
572 // // FIXME this path is never tested. I need examples to check the bypass mechanism...
573 // THROW_UNIMPLEMENTED; // let's warn the users of the problem
574 xbt_dynar_merge(links,&(e_route_bypass->link_list));
575 generic_free_route(e_route_bypass);
579 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
581 route.link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
582 // Find the net_card corresponding to father
583 network_element_t src_father_net_elm = src_father->net_elem;
584 network_element_t dst_father_net_elm = dst_father->net_elem;
586 common_father->get_route_and_latency(common_father, src_father_net_elm, dst_father_net_elm, &route,latency);
588 xbt_assert((route.src_gateway != NULL) && (route.dst_gateway != NULL),
589 "bad gateways for route from \"%s\" to \"%s\"", src->name, dst->name);
591 network_element_t src_gateway_net_elm = route.src_gateway;
592 network_element_t dst_gateway_net_elm = route.dst_gateway;
594 /* If source gateway is not our source, we have to recursively find our way up to this point */
595 if (src != src_gateway_net_elm)
596 _get_route_and_latency(src, src_gateway_net_elm, links, latency);
598 xbt_dynar_merge(links,&(route.link_list));
600 /* If dest gateway is not our destination, we have to recursively find our way from this point */
601 // FIXME why can't I factorize it the same way than [src;src_gw] without breaking the examples??
602 if (dst_gateway_net_elm != dst) {
603 _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
605 xbt_dynar_free(&route.link_list);
609 * \brief Find a route between hosts
611 * \param src the network_element_t for src host
612 * \param dst the network_element_t for dst host
613 * \param route where to store the list of links.
614 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
615 * \param latency where to store the latency experienced on the path (or NULL if not interested)
616 * It is the caller responsability to initialize latency to 0 (we add to provided route)
619 * walk through the routing components tree and find a route between hosts
620 * by calling the differents "get_route" functions in each routing component.
622 void routing_get_route_and_latency(network_element_t src, network_element_t dst,
623 xbt_dynar_t * route, double *latency)
626 xbt_dynar_reset(global_routing->last_route);
627 *route = global_routing->last_route;
630 _get_route_and_latency(src, dst, route, latency);
632 xbt_assert(!latency || *latency >= 0.0,
633 "negative latency on route between \"%s\" and \"%s\"", src->name, dst->name);
636 static xbt_dynar_t recursive_get_onelink_routes(AS_t rc)
638 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
640 //adding my one link routes
641 xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
643 xbt_dynar_merge(&ret,&onelink_mine);
647 xbt_dict_cursor_t cursor = NULL;
649 xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
650 xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
652 xbt_dynar_merge(&ret,&onelink_child);
657 static xbt_dynar_t get_onelink_routes(void)
659 return recursive_get_onelink_routes(global_routing->root);
662 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
664 network_element_t rc = NULL;
666 rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
670 rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
674 return SURF_NETWORK_ELEMENT_NULL;
678 * \brief Generic method: create the global routing schema
680 * Make a global routing structure and set all the parsing functions.
682 void routing_model_create(size_t size_of_links, void *loopback)
684 /* config the uniq global routing */
685 global_routing = xbt_new0(s_routing_global_t, 1);
686 global_routing->root = NULL;
687 global_routing->get_onelink_routes = get_onelink_routes;
688 global_routing->loopback = loopback;
689 global_routing->size_of_link = size_of_links;
690 global_routing->last_route = xbt_dynar_new(global_routing->size_of_link,NULL);
691 /* no current routing at moment */
692 current_routing = NULL;
696 /* ************************************************** */
697 /* ********** PATERN FOR NEW ROUTING **************** */
699 /* The minimal configuration of a new routing model need the next functions,
700 * also you need to set at the start of the file, the new model in the model
701 * list. Remember keep the null ending of the list.
703 /*** Routing model structure ***/
705 // s_routing_component_t generic_routing;
706 // /* things that your routing model need */
707 // } s_routing_component_NEW_t,*routing_component_NEW_t;
709 /*** Parse routing model functions ***/
710 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
711 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
712 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
713 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
714 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
716 /*** Business methods ***/
717 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
718 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
719 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
721 /*** Creation routing model functions ***/
722 // static void* model_NEW_create(void) {
723 // routing_component_NEW_t new_component = xbt_new0(s_routing_component_NEW_t,1);
724 // new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
725 // new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
726 // new_component->generic_routing.set_route = model_NEW_set_route;
727 // new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
728 // new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
729 // new_component->generic_routing.get_route = NEW_get_route;
730 // new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
731 // new_component->generic_routing.finalize = NEW_finalize;
732 // /* initialization of internal structures */
733 // return new_component;
735 // static void model_NEW_load(void) {} /* mandatory */
736 // static void model_NEW_unload(void) {} /* mandatory */
737 // static void model_NEW_end(void) {} /* mandatory */
739 /* ************************************************************************** */
740 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
742 static void routing_parse_storage(sg_platf_storage_cbarg_t storage)
744 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
745 "Reading a storage, processing unit \"%s\" already exists", storage->id);
747 // Verification of an existing type_id
749 void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
751 xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
753 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s'",
757 xbt_lib_set(storage_lib,
759 ROUTING_STORAGE_LEVEL,
760 (void *) xbt_strdup(storage->type_id));
763 static void free_storage_content(void *p)
765 content_t content = p;
767 free(content->group);
770 free(content->user_rights);
774 static xbt_dict_t parse_storage_content(const char *filename)
776 if ((!filename) || (strcmp(filename, "") == 0))
779 xbt_dict_t parse_content = xbt_dict_new_homogeneous(free_storage_content);
782 file = surf_fopen(filename, "r");
783 xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
784 xbt_str_join(surf_path, ":"));
789 char user_rights[12];
799 while ((read = getline(&line, &len, file)) != -1) {
800 content = xbt_new0(s_content_t,1);
801 if(sscanf(line,"%s %d %s %s %d %s %s %s",user_rights,&nb,user,group,&size,date,time,path)==8) {
802 content->date = xbt_strdup(date);
803 content->group = xbt_strdup(group);
804 content->size = size;
805 content->time = xbt_strdup(time);
806 content->user = xbt_strdup(user);
807 content->user_rights = xbt_strdup(user_rights);
808 xbt_dict_set(parse_content,path,content,NULL);
810 xbt_die("Be sure of passing a good format for content file.\n");
811 // You can generate this kind of file with command line:
812 // find /path/you/want -type f -exec ls -l {} \; 2>/dev/null > ./content.txt
819 return parse_content;
822 static void routing_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
824 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
825 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
827 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
828 stype->model = xbt_strdup(storage_type->model);
829 stype->properties = storage_type->properties;
830 stype->content = parse_storage_content(storage_type->content);
831 stype->type_id = xbt_strdup(storage_type->id);
833 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s' and properties '%p'",
836 storage_type->content,
839 xbt_lib_set(storage_type_lib,
841 ROUTING_STORAGE_TYPE_LEVEL,
844 static void routing_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
847 // mount_t mnt = xbt_new0(s_mount_t, 1);
848 // mnt->id = xbt_strdup(mstorage->type_id);
849 // mnt->name = xbt_strdup(mstorage->name);
852 // XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
853 // mount_list = xbt_dynar_new(sizeof(char *), NULL);
855 // xbt_dynar_push(mount_list,(void *) mnt);
859 // XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
862 static void mount_free(void *p)
868 static void routing_parse_mount(sg_platf_mount_cbarg_t mount)
870 // Verification of an existing storage
872 void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
874 xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
876 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
879 mnt.id = surf_storage_resource_by_name(mount->id);
880 mnt.name = xbt_strdup(mount->name);
883 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
884 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
886 xbt_dynar_push(mount_list,&mnt);
889 static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
891 char *host_id, *groups, *link_id = NULL;
892 xbt_dict_t patterns = NULL;
894 s_sg_platf_host_cbarg_t host;
895 s_sg_platf_link_cbarg_t link;
899 xbt_dynar_t radical_elements;
900 xbt_dynar_t radical_ends;
902 if (strcmp(cluster->availability_trace, "")
903 || strcmp(cluster->state_trace, "")) {
904 patterns = xbt_dict_new_homogeneous(xbt_free_f);
905 xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
906 xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
907 xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
910 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", cluster->id);
911 sg_platf_new_AS_begin(cluster->id, "Cluster");
913 current_routing->link_up_down_list
914 = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
917 radical_elements = xbt_str_split(cluster->radical, ",");
918 xbt_dynar_foreach(radical_elements, iter, groups) {
920 radical_ends = xbt_str_split(groups, "-");
921 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
923 switch (xbt_dynar_length(radical_ends)) {
928 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
931 surf_parse_error("Malformed radical");
934 for (i = start; i <= end; i++) {
936 bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
937 link_id = bprintf("%s_link_%d", cluster->id, i);
939 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->power);
941 memset(&host, 0, sizeof(host));
943 if (strcmp(cluster->availability_trace, "")) {
944 xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
945 char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
946 XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
947 host.power_trace = tmgr_trace_new(avail_file);
948 xbt_free(avail_file);
950 XBT_DEBUG("\tavailability_file=\"\"");
953 if (strcmp(cluster->state_trace, "")) {
954 char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
955 XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
956 host.state_trace = tmgr_trace_new(avail_file);
957 xbt_free(avail_file);
959 XBT_DEBUG("\tstate_file=\"\"");
962 host.power_peak = cluster->power;
963 host.power_scale = 1.0;
964 host.core_amount = cluster->core_amount;
965 host.initial_state = SURF_RESOURCE_ON;
967 sg_platf_new_host(&host);
968 XBT_DEBUG("</host>");
970 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
971 cluster->bw, cluster->lat);
973 memset(&link, 0, sizeof(link));
975 link.bandwidth = cluster->bw;
976 link.latency = cluster->lat;
977 link.state = SURF_RESOURCE_ON;
978 link.policy = cluster->sharing_policy;
979 sg_platf_new_link(&link);
981 s_surf_parsing_link_up_down_t info;
983 if (link.policy == SURF_LINK_FULLDUPLEX) {
984 char *tmp_link = bprintf("%s_UP", link_id);
986 xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
988 tmp_link = bprintf("%s_DOWN", link_id);
990 xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
993 info.link_up = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL);
994 info.link_down = info.link_up;
996 xbt_dynar_push(current_routing->link_up_down_list,&info);
1001 xbt_dynar_free(&radical_ends);
1003 xbt_dynar_free(&radical_elements);
1005 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
1006 // and it's very useful to connect clusters together
1008 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
1010 s_sg_platf_router_cbarg_t router;
1011 memset(&router, 0, sizeof(router));
1012 router.id = cluster->router_id;
1014 if (!router.id || !strcmp(router.id, ""))
1016 bprintf("%s%s_router%s", cluster->prefix, cluster->id,
1018 sg_platf_new_router(&router);
1022 if ((cluster->bb_bw != 0) && (cluster->bb_lat != 0)) {
1023 char *link_backbone = bprintf("%s_backbone", cluster->id);
1024 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
1025 cluster->bb_bw, cluster->bb_lat);
1027 memset(&link, 0, sizeof(link));
1028 link.id = link_backbone;
1029 link.bandwidth = cluster->bb_bw;
1030 link.latency = cluster->bb_lat;
1031 link.state = SURF_RESOURCE_ON;
1032 link.policy = cluster->bb_sharing_policy;
1034 sg_platf_new_link(&link);
1036 surf_routing_cluster_add_backbone(current_routing, xbt_lib_get_or_null(link_lib, link_backbone, SURF_LINK_LEVEL));
1038 free(link_backbone);
1042 sg_platf_new_AS_end();
1044 xbt_dict_free(&patterns); // no op if it were never set
1047 static void routing_parse_postparse(void) {
1048 xbt_dict_free(&random_value);
1051 static void routing_parse_peer(sg_platf_peer_cbarg_t peer)
1053 static int AX_ptr = 0;
1054 char *host_id = NULL;
1055 char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
1057 static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1058 static unsigned int surfxml_buffer_stack_stack[1024];
1060 surfxml_buffer_stack_stack[0] = 0;
1062 surfxml_bufferstack_push(1);
1064 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", peer->id);
1065 sg_platf_new_AS_begin(peer->id, "Full");
1068 host_id = HOST_PEER(peer->id);
1069 router_id = ROUTER_PEER(peer->id);
1070 link_id_up = LINK_UP_PEER(peer->id);
1071 link_id_down = LINK_DOWN_PEER(peer->id);
1073 link_router = bprintf("%s_link_router", peer->id);
1074 link_backbone = bprintf("%s_backbone", peer->id);
1076 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->power);
1077 s_sg_platf_host_cbarg_t host;
1078 memset(&host, 0, sizeof(host));
1079 host.initial_state = SURF_RESOURCE_ON;
1081 host.power_peak = peer->power;
1082 host.power_scale = 1.0;
1083 host.power_trace = peer->availability_trace;
1084 host.state_trace = peer->state_trace;
1085 host.core_amount = 1;
1086 host.coord = peer->coord;
1087 sg_platf_new_host(&host);
1090 XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer->coord);
1091 s_sg_platf_router_cbarg_t router;
1092 memset(&router, 0, sizeof(router));
1093 router.id = router_id;
1094 router.coord = peer->coord;
1095 sg_platf_new_router(&router);
1097 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_up,
1098 peer->bw_in, peer->lat);
1099 s_sg_platf_link_cbarg_t link;
1100 memset(&link, 0, sizeof(link));
1101 link.state = SURF_RESOURCE_ON;
1102 link.policy = SURF_LINK_SHARED;
1103 link.id = link_id_up;
1104 link.bandwidth = peer->bw_in;
1105 link.latency = peer->lat;
1106 sg_platf_new_link(&link);
1108 // FIXME: dealing with full duplex is not the role of this piece of code, I'd say [Mt]
1109 // Instead, it should be created fullduplex, and the models will do what's needed in this case
1110 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_down,
1111 peer->bw_out, peer->lat);
1112 link.id = link_id_down;
1113 sg_platf_new_link(&link);
1118 XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", host_id, router_id);
1119 XBT_DEBUG("symmetrical=\"NO\">");
1120 SURFXML_BUFFER_SET(route_src, host_id);
1121 SURFXML_BUFFER_SET(route_dst, router_id);
1122 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1123 SURFXML_START_TAG(route);
1125 XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
1126 SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
1127 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1128 SURFXML_START_TAG(link_ctn);
1129 SURFXML_END_TAG(link_ctn);
1131 XBT_DEBUG("</route>");
1132 SURFXML_END_TAG(route);
1135 XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, host_id);
1136 XBT_DEBUG("symmetrical=\"NO\">");
1137 SURFXML_BUFFER_SET(route_src, router_id);
1138 SURFXML_BUFFER_SET(route_dst, host_id);
1139 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1140 SURFXML_START_TAG(route);
1142 XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
1143 SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
1144 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1145 SURFXML_START_TAG(link_ctn);
1146 SURFXML_END_TAG(link_ctn);
1148 XBT_DEBUG("</route>");
1149 SURFXML_END_TAG(route);
1152 sg_platf_new_AS_end();
1155 //xbt_dynar_free(&tab_elements_num);
1159 free(link_backbone);
1162 surfxml_bufferstack_pop(1);
1165 static void routing_parse_Srandom(void)
1167 double mean, std, min, max, seed;
1168 char *random_id = A_surfxml_random_id;
1169 char *random_radical = A_surfxml_random_radical;
1170 char *rd_name = NULL;
1172 mean = surf_parse_get_double(A_surfxml_random_mean);
1173 std = surf_parse_get_double(A_surfxml_random_std_deviation);
1174 min = surf_parse_get_double(A_surfxml_random_min);
1175 max = surf_parse_get_double(A_surfxml_random_max);
1176 seed = surf_parse_get_double(A_surfxml_random_seed);
1180 random_data_t random = xbt_new0(s_random_data_t, 1);
1183 xbt_dynar_t radical_elements;
1187 xbt_dynar_t radical_ends;
1189 switch (A_surfxml_random_generator) {
1190 case AU_surfxml_random_generator:
1191 case A_surfxml_random_generator_NONE:
1192 random->generator = NONE;
1194 case A_surfxml_random_generator_DRAND48:
1195 random->generator = DRAND48;
1197 case A_surfxml_random_generator_RAND:
1198 random->generator = RAND;
1200 case A_surfxml_random_generator_RNGSTREAM:
1201 random->generator = RNGSTREAM;
1204 surf_parse_error("Invalid random generator");
1207 random->seed = seed;
1211 /* Check user stupidities */
1213 THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
1215 THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
1217 THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
1219 /* normalize the mean and standard deviation before storing */
1220 random->mean = (mean - min) / (max - min);
1221 random->std = std / (max - min);
1223 if (random->mean * (1 - random->mean) < random->std * random->std)
1224 THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
1225 random->mean, random->std);
1228 ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
1229 random_id, random->min, random->max, random->mean, random->std,
1230 (int)random->generator, random->seed, random_radical);
1233 random_value = xbt_dict_new_homogeneous(free);
1235 if (!strcmp(random_radical, "")) {
1236 res = random_generate(random);
1237 rd_value = bprintf("%f", res);
1238 xbt_dict_set(random_value, random_id, rd_value, NULL);
1240 radical_elements = xbt_str_split(random_radical, ",");
1241 xbt_dynar_foreach(radical_elements, iter, groups) {
1242 radical_ends = xbt_str_split(groups, "-");
1243 switch (xbt_dynar_length(radical_ends)) {
1245 xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1246 "Custom Random '%s' already exists !", random_id);
1247 res = random_generate(random);
1249 bprintf("%s%d", random_id,
1250 atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
1251 xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
1256 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1257 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1258 for (i = start; i <= end; i++) {
1259 xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1260 "Custom Random '%s' already exists !", bprintf("%s%d",
1263 res = random_generate(random);
1264 tmpbuf = bprintf("%s%d", random_id, i);
1265 xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
1270 XBT_CRITICAL("Malformed radical");
1273 res = random_generate(random);
1274 rd_name = bprintf("%s_router", random_id);
1275 rd_value = bprintf("%f", res);
1276 xbt_dict_set(random_value, rd_name, rd_value, NULL);
1278 xbt_dynar_free(&radical_ends);
1281 xbt_dynar_free(&radical_elements);
1285 void routing_register_callbacks()
1287 sg_platf_host_add_cb(parse_S_host);
1288 sg_platf_router_add_cb(parse_S_router);
1290 surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
1292 surfxml_add_callback(STag_surfxml_route_cb_list, &routing_parse_S_route);
1293 surfxml_add_callback(STag_surfxml_ASroute_cb_list, &routing_parse_S_ASroute);
1294 surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
1295 &routing_parse_S_bypassRoute);
1297 surfxml_add_callback(ETag_surfxml_link_ctn_cb_list, &routing_parse_link_ctn);
1299 surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_parse_E_route);
1300 surfxml_add_callback(ETag_surfxml_ASroute_cb_list, &routing_parse_E_ASroute);
1301 surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
1302 &routing_parse_E_bypassRoute);
1304 sg_platf_cluster_add_cb(routing_parse_cluster);
1306 sg_platf_peer_add_cb(routing_parse_peer);
1307 sg_platf_postparse_add_cb(routing_parse_postparse);
1309 sg_platf_storage_add_cb(routing_parse_storage);
1310 sg_platf_mstorage_add_cb(routing_parse_mstorage);
1311 sg_platf_storage_type_add_cb(routing_parse_storage_type);
1312 sg_platf_mount_add_cb(routing_parse_mount);
1314 /* we care about the ASes while parsing the platf. Incredible, isnt it? */
1315 sg_platf_AS_end_add_cb(routing_AS_end);
1316 sg_platf_AS_begin_add_cb(routing_AS_begin);
1319 instr_routing_define_callbacks();
1324 * \brief Recursive function for finalize
1326 * \param rc the source host name
1328 * This fuction is call by "finalize". It allow to finalize the
1329 * AS or routing components. It delete all the structures.
1331 static void finalize_rec(AS_t as) {
1332 xbt_dict_cursor_t cursor = NULL;
1336 xbt_dict_foreach(as->routing_sons, cursor, key, elem) {
1343 /** \brief Frees all memory allocated by the routing module */
1344 void routing_exit(void) {
1345 if (!global_routing)
1347 xbt_dynar_free(&global_routing->last_route);
1348 finalize_rec(global_routing->root);
1349 xbt_free(global_routing);