1 /* Copyright (c) 2009, 2010. 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. */
10 #include "gras_config.h"
13 #include <pcre.h> /* regular expresion library */
15 #include "surf_private.h"
16 #include "xbt/dynar.h"
18 #include "xbt/config.h"
19 #include "xbt/graph.h"
22 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
25 routing_global_t global_routing = NULL;
26 routing_component_t current_routing = NULL;
27 model_type_t current_routing_model = NULL;
29 /* Prototypes of each model */
30 static void *model_full_create(void); /* create structures for full routing model */
31 static void model_full_load(void); /* load parse functions for full routing model */
32 static void model_full_unload(void); /* unload parse functions for full routing model */
33 static void model_full_end(void); /* finalize the creation of full routing model */
35 static void *model_floyd_create(void); /* create structures for floyd routing model */
36 static void model_floyd_load(void); /* load parse functions for floyd routing model */
37 static void model_floyd_unload(void); /* unload parse functions for floyd routing model */
38 static void model_floyd_end(void); /* finalize the creation of floyd routing model */
40 static void *model_dijkstra_both_create(int cached); /* create by calling dijkstra or dijkstracache */
41 static void *model_dijkstra_create(void); /* create structures for dijkstra routing model */
42 static void *model_dijkstracache_create(void); /* create structures for dijkstracache routing model */
43 static void model_dijkstra_both_load(void); /* load parse functions for dijkstra routing model */
44 static void model_dijkstra_both_unload(void); /* unload parse functions for dijkstra routing model */
45 static void model_dijkstra_both_end(void); /* finalize the creation of dijkstra routing model */
47 static void *model_rulebased_create(void); /* create structures for rulebased routing model */
48 static void model_rulebased_load(void); /* load parse functions for rulebased routing model */
49 static void model_rulebased_unload(void); /* unload parse functions for rulebased routing model */
50 static void model_rulebased_end(void); /* finalize the creation of rulebased routing model */
52 static void *model_none_create(void); /* none routing model */
53 static void model_none_load(void); /* none routing model */
54 static void model_none_unload(void); /* none routing model */
55 static void model_none_end(void); /* none routing model */
57 static void routing_full_parse_Scluster(void); /*cluster bypass */
59 static void parse_Sconfig(void); /*config Tag */
61 /* this lines are only for replace use like index in the model table */
66 SURF_MODEL_DIJKSTRACACHE,
74 /* must be finish with null and carefull if change de order */
75 struct s_model_type routing_models[] = { {"Full",
76 "Full routing data (fast, large memory requirements, fully expressive)",
82 "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
83 model_floyd_create, model_floyd_load, model_floyd_unload,
86 "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
87 model_dijkstra_create, model_dijkstra_both_load,
88 model_dijkstra_both_unload, model_dijkstra_both_end},
90 "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
91 model_dijkstracache_create, model_dijkstra_both_load,
92 model_dijkstra_both_unload, model_dijkstra_both_end},
93 {"none", "No routing (usable with Constant network only)",
94 model_none_create, model_none_load, model_none_unload, model_none_end},
96 {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create,
97 model_rulebased_load, model_rulebased_unload, model_rulebased_end},
99 {NULL, NULL, NULL, NULL, NULL, NULL}
102 /* ************************************************************************** */
103 /* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
105 static void generic_set_processing_unit(routing_component_t rc,
107 static void generic_set_autonomous_system(routing_component_t rc,
109 static void generic_set_route(routing_component_t rc, const char *src,
110 const char *dst, route_t route);
111 static void generic_set_ASroute(routing_component_t rc, const char *src,
112 const char *dst, route_extended_t e_route);
113 static void generic_set_bypassroute(routing_component_t rc,
114 const char *src, const char *dst,
115 route_extended_t e_route);
117 /* ************************************************************************** */
118 /* *************** GENERIC BUSINESS METHODS (declarations) ****************** */
120 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc);
121 static route_extended_t generic_get_bypassroute(routing_component_t rc,
125 /* ************************************************************************** */
126 /* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
128 static route_extended_t
129 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
130 void *data, int order);
131 static void generic_free_route(route_t route);
132 static void generic_free_extended_route(route_extended_t e_route);
133 static routing_component_t
134 generic_autonomous_system_exist(routing_component_t rc, char *element);
135 static routing_component_t
136 generic_processing_units_exist(routing_component_t rc, char *element);
137 static void generic_src_dst_check(routing_component_t rc, const char *src,
140 /* ************************************************************************** */
141 /* **************************** GLOBAL FUNCTIONS **************************** */
143 /* global parse functions */
144 static char *src = NULL; /* temporary store the source name of a route */
145 static char *dst = NULL; /* temporary store the destination name of a route */
146 static char *gw_src = NULL; /* temporary store the gateway source name of a route */
147 static char *gw_dst = NULL; /* temporary store the gateway destination name of a route */
148 static xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */
151 * \brief Add a "host" to the network element list
153 static void parse_S_host(char *host_id)
155 network_element_info_t info = NULL;
156 if (current_routing->hierarchy == SURF_ROUTING_NULL)
157 current_routing->hierarchy = SURF_ROUTING_BASE;
158 xbt_assert1(!xbt_dict_get_or_null
159 (global_routing->where_network_elements, host_id),
160 "Reading a host, processing unit \"%s\" already exist",
162 xbt_assert1(current_routing->set_processing_unit,
163 "no defined method \"set_processing_unit\" in \"%s\"",
164 current_routing->name);
165 (*(current_routing->set_processing_unit)) (current_routing, host_id);
166 info = xbt_new0(s_network_element_info_t, 1);
167 info->rc_component = current_routing;
168 info->rc_type = SURF_NETWORK_ELEMENT_HOST;
169 xbt_dict_set(global_routing->where_network_elements, host_id,
170 (void *) info, NULL);
174 * \brief Add a host to the network element list from XML
176 static void parse_S_host_XML(void)
178 parse_S_host(A_surfxml_host_id);
182 * \brief Add a host to the network element list from lua script
184 static void parse_S_host_lua(char *host_id)
186 parse_S_host(host_id);
194 * \brief Add a "router" to the network element list
196 static void parse_S_router(void)
198 network_element_info_t info = NULL;
200 if (current_routing->hierarchy == SURF_ROUTING_NULL)
201 current_routing->hierarchy = SURF_ROUTING_BASE;
202 xbt_assert1(!xbt_dict_get_or_null
203 (global_routing->where_network_elements,
204 A_surfxml_router_id),
205 "Reading a router, processing unit \"%s\" already exist",
206 A_surfxml_router_id);
207 xbt_assert1(current_routing->set_processing_unit,
208 "no defined method \"set_processing_unit\" in \"%s\"",
209 current_routing->name);
210 (*(current_routing->set_processing_unit)) (current_routing,
211 A_surfxml_router_id);
212 info = xbt_new0(s_network_element_info_t, 1);
213 info->rc_component = current_routing;
214 info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
215 xbt_dict_set(global_routing->where_network_elements, A_surfxml_router_id,
216 (void *) info, NULL);
218 TRACE_surf_host_declaration(A_surfxml_router_id, 0);
223 * \brief Set the endponints for a route
225 static void parse_S_route_new_and_endpoints(char *src_id, char *dst_id)
227 if (src != NULL && dst != NULL && link_list != NULL)
228 THROW2(arg_error, 0, "Route between %s to %s can not be defined",
232 xbt_assert2(strlen(src) > 0 || strlen(dst) > 0,
233 "Some limits are null in the route between \"%s\" and \"%s\"",
235 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
239 * \breif Set the endpoints for a route from XML
241 static void parse_S_route_new_and_endpoints_XML(void)
243 parse_S_route_new_and_endpoints(A_surfxml_route_src,
244 A_surfxml_route_dst);
248 * \breif Set the endpoints for a route from lua
250 static void parse_S_route_new_and_endpoints_lua(char *id_src, char *id_dst)
252 parse_S_route_new_and_endpoints(id_src, id_dst);
256 * \brief Set the endponints and gateways for a ASroute
258 static void parse_S_ASroute_new_and_endpoints(void)
260 if (src != NULL && dst != NULL && link_list != NULL)
261 THROW2(arg_error, 0, "Route between %s to %s can not be defined",
262 A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
263 src = A_surfxml_ASroute_src;
264 dst = A_surfxml_ASroute_dst;
265 gw_src = A_surfxml_ASroute_gw_src;
266 gw_dst = A_surfxml_ASroute_gw_dst;
267 xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
268 || strlen(gw_dst) > 0,
269 "Some limits are null in the route between \"%s\" and \"%s\"",
271 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
275 * \brief Set the endponints for a bypassRoute
277 static void parse_S_bypassRoute_new_and_endpoints(void)
279 if (src != NULL && dst != NULL && link_list != NULL)
281 "Bypass Route between %s to %s can not be defined",
282 A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
283 src = A_surfxml_bypassRoute_src;
284 dst = A_surfxml_bypassRoute_dst;
285 gw_src = A_surfxml_bypassRoute_gw_src;
286 gw_dst = A_surfxml_bypassRoute_gw_dst;
287 xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
288 || strlen(gw_dst) > 0,
289 "Some limits are null in the route between \"%s\" and \"%s\"",
291 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
295 * \brief Set a new link on the actual list of link for a route or ASroute
297 static void parse_E_link_ctn_new_elem(char *link_id)
300 val = xbt_strdup(link_id);
301 xbt_dynar_push(link_list, &val);
305 * \brief Set a new link on the actual list of link for a route or ASroute from XML
308 static void parse_E_link_ctn_new_elem_XML(void)
310 parse_E_link_ctn_new_elem(A_surfxml_link_ctn_id);
314 * \brief Set a new link on the actual list of link for a route or ASroute from lua
316 static void parse_E_link_c_ctn_new_elem_lua(char *link_id)
319 parse_E_link_ctn_new_elem(link_id);
323 * \brief Store the route by calling the set_route function of the current routing component
325 static void parse_E_route_store_route(void)
327 route_t route = xbt_new0(s_route_t, 1);
328 route->link_list = link_list;
329 // xbt_assert1(generic_processing_units_exist(current_routing,src),"the \"%s\" processing units gateway does not exist",src);
330 // xbt_assert1(generic_processing_units_exist(current_routing,dst),"the \"%s\" processing units gateway does not exist",dst);
331 xbt_assert1(current_routing->set_route,
332 "no defined method \"set_route\" in \"%s\"",
333 current_routing->name);
334 (*(current_routing->set_route)) (current_routing, src, dst, route);
341 * \brief Store the ASroute by calling the set_ASroute function of the current routing component
343 static void parse_E_ASroute_store_route(void)
345 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
346 e_route->generic_route.link_list = link_list;
347 e_route->src_gateway = xbt_strdup(gw_src);
348 e_route->dst_gateway = xbt_strdup(gw_dst);
349 // xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
350 // xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
351 // xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
352 // xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
353 xbt_assert1(current_routing->set_ASroute,
354 "no defined method \"set_ASroute\" in \"%s\"",
355 current_routing->name);
356 (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
365 * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
367 static void parse_E_bypassRoute_store_route(void)
369 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
370 e_route->generic_route.link_list = link_list;
371 e_route->src_gateway = xbt_strdup(gw_src);
372 e_route->dst_gateway = xbt_strdup(gw_dst);
373 // xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
374 // xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
375 // xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
376 // xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
377 xbt_assert1(current_routing->set_bypassroute,
378 "no defined method \"set_bypassroute\" in \"%s\"",
379 current_routing->name);
380 (*(current_routing->set_bypassroute)) (current_routing, src, dst,
390 * \brief Make a new routing component
392 * make the new structure and
393 * set the parsing functions to allows parsing the part of the routing tree
395 static void parse_S_AS(char *AS_id, char *AS_routing)
397 routing_component_t new_routing;
398 model_type_t model = NULL;
399 char *wanted = AS_routing;
401 /* seach the routing model */
402 for (cpt = 0; routing_models[cpt].name; cpt++)
403 if (!strcmp(wanted, routing_models[cpt].name))
404 model = &routing_models[cpt];
405 /* if its not exist, error */
407 fprintf(stderr, "Routing model %s not found. Existing models:\n",
409 for (cpt = 0; routing_models[cpt].name; cpt++)
410 if (!strcmp(wanted, routing_models[cpt].name))
411 fprintf(stderr, " %s: %s\n", routing_models[cpt].name,
412 routing_models[cpt].desc);
416 /* make a new routing component */
417 new_routing = (routing_component_t) (*(model->create)) ();
418 new_routing->routing = model;
419 new_routing->hierarchy = SURF_ROUTING_NULL;
420 new_routing->name = xbt_strdup(AS_id);
421 new_routing->routing_sons = xbt_dict_new();
422 //INFO2("Routing %s for AS %s",A_surfxml_AS_routing,A_surfxml_AS_id);
424 if (current_routing == NULL && global_routing->root == NULL) {
426 /* it is the first one */
427 new_routing->routing_father = NULL;
428 global_routing->root = new_routing;
430 } else if (current_routing != NULL && global_routing->root != NULL) {
432 xbt_assert1(!xbt_dict_get_or_null
433 (current_routing->routing_sons, AS_id),
434 "The AS \"%s\" already exist", AS_id);
435 /* it is a part of the tree */
436 new_routing->routing_father = current_routing;
437 /* set the father behavior */
438 if (current_routing->hierarchy == SURF_ROUTING_NULL)
439 current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
440 /* add to the sons dictionary */
441 xbt_dict_set(current_routing->routing_sons, AS_id,
442 (void *) new_routing, NULL);
443 /* add to the father element list */
444 (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
445 /* unload the prev parse rules */
446 (*(current_routing->routing->unload)) ();
449 THROW0(arg_error, 0, "All defined components must be belong to a AS");
451 /* set the new parse rules */
452 (*(new_routing->routing->load)) ();
453 /* set the new current component of the tree */
454 current_routing = new_routing;
458 * Detect the routing model type of the routing component from XML platforms
460 static void parse_S_AS_XML(void)
462 parse_S_AS(A_surfxml_AS_id, A_surfxml_AS_routing);
466 * define the routing model type of routing component from lua script
468 static void parse_S_AS_lua(char *id, char *mode)
470 parse_S_AS(id, mode);
475 * \brief Finish the creation of a new routing component
477 * When you finish to read the routing component, other structures must be created.
478 * the "end" method allow to do that for any routing model type
480 static void parse_E_AS(char *AS_id)
483 if (current_routing == NULL) {
484 THROW1(arg_error, 0, "Close AS(%s), that never open", AS_id);
486 network_element_info_t info = NULL;
487 xbt_assert1(!xbt_dict_get_or_null
488 (global_routing->where_network_elements,
489 current_routing->name), "The AS \"%s\" already exist",
490 current_routing->name);
491 info = xbt_new0(s_network_element_info_t, 1);
492 info->rc_component = current_routing->routing_father;
493 info->rc_type = SURF_NETWORK_ELEMENT_AS;
494 xbt_dict_set(global_routing->where_network_elements,
495 current_routing->name, info, NULL);
496 (*(current_routing->routing->unload)) ();
497 (*(current_routing->routing->end)) ();
498 current_routing = current_routing->routing_father;
499 if (current_routing != NULL)
500 (*(current_routing->routing->load)) ();
505 * \brief Finish the creation of a new routing component from XML
507 static void parse_E_AS_XML(void)
509 parse_E_AS(A_surfxml_AS_id);
513 * \brief Finish the creation of a new routing component from lua
515 static void parse_E_AS_lua(char *id)
520 /* Aux Business methods */
523 * \brief Get the AS father and the first elements of the chain
525 * \param src the source host name
526 * \param dst the destination host name
528 * Get the common father of the to processing units, and the first different
529 * father in the chain
531 static xbt_dynar_t elements_father(const char *src, const char *dst)
534 xbt_assert0(src && dst, "bad parameters for \"elements_father\" method");
536 xbt_dynar_t result = xbt_dynar_new(sizeof(char *), NULL);
538 routing_component_t src_as, dst_as;
539 int index_src, index_dst, index_father_src, index_father_dst;
540 xbt_dynar_t path_src = NULL;
541 xbt_dynar_t path_dst = NULL;
542 routing_component_t current = NULL;
543 routing_component_t *current_src = NULL;
544 routing_component_t *current_dst = NULL;
545 routing_component_t *father = NULL;
547 /* (1) find the as where the src and dst are located */
548 src_as = ((network_element_info_t)
549 xbt_dict_get_or_null(global_routing->where_network_elements,
551 dst_as = ((network_element_info_t)
552 xbt_dict_get_or_null(global_routing->where_network_elements,
556 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
559 /* (2) find the path to the root routing component */
560 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
562 while (current != NULL) {
563 xbt_dynar_push(path_src, ¤t);
564 current = current->routing_father;
566 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
568 while (current != NULL) {
569 xbt_dynar_push(path_dst, ¤t);
570 current = current->routing_father;
573 /* (3) find the common father */
574 index_src = (path_src->used) - 1;
575 index_dst = (path_dst->used) - 1;
576 current_src = xbt_dynar_get_ptr(path_src, index_src);
577 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
578 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
579 current_src = xbt_dynar_get_ptr(path_src, index_src);
580 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
586 current_src = xbt_dynar_get_ptr(path_src, index_src);
587 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
589 /* (4) they are not in the same routing component, make the path */
590 index_father_src = index_src + 1;
591 index_father_dst = index_dst + 1;
593 if (*current_src == *current_dst)
594 father = current_src;
596 father = xbt_dynar_get_ptr(path_src, index_father_src);
598 /* (5) result generation */
599 xbt_dynar_push(result, father); /* first same the father of src and dst */
600 xbt_dynar_push(result, current_src); /* second the first different father of src */
601 xbt_dynar_push(result, current_dst); /* three the first different father of dst */
603 xbt_dynar_free(&path_src);
604 xbt_dynar_free(&path_dst);
609 /* Global Business methods */
612 * \brief Recursive function for get_route
614 * \param src the source host name
615 * \param dst the destination host name
617 * This fuction is call by "get_route". It allow to walk through the
618 * routing components tree.
620 static route_extended_t _get_route(const char *src, const char *dst)
624 unsigned int cpt = 0;
626 DEBUG2("Solve route \"%s\" to \"%s\"", src, dst);
628 xbt_assert0(src && dst, "bad parameters for \"_get_route\" method");
630 route_extended_t e_route, e_route_cnt, e_route_src = NULL, e_route_dst =
633 xbt_dynar_t elem_father_list = elements_father(src, dst);
635 routing_component_t common_father =
636 xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
637 routing_component_t src_father =
638 xbt_dynar_get_as(elem_father_list, 1, routing_component_t);
639 routing_component_t dst_father =
640 xbt_dynar_get_as(elem_father_list, 2, routing_component_t);
642 e_route = xbt_new0(s_route_extended_t, 1);
643 e_route->src_gateway = NULL;
644 e_route->dst_gateway = NULL;
645 e_route->generic_route.link_list =
646 xbt_dynar_new(global_routing->size_of_link, NULL);
648 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
650 if (strcmp(src, dst)) {
652 (*(common_father->get_route)) (common_father, src, dst);
653 xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"", src,
655 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
656 xbt_dynar_push(e_route->generic_route.link_list, &link);
658 generic_free_extended_route(e_route_cnt);
661 } else { /* SURF_ROUTING_RECURSIVE */
663 route_extended_t e_route_bypass = NULL;
665 if (common_father->get_bypass_route)
667 (*(common_father->get_bypass_route)) (common_father, src, dst);
670 e_route_cnt = e_route_bypass;
673 (*(common_father->get_route)) (common_father, src_father->name,
676 xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"",
677 src_father->name, dst_father->name);
679 xbt_assert2((e_route_cnt->src_gateway == NULL) ==
680 (e_route_cnt->dst_gateway == NULL),
681 "bad gateway for route between \"%s\" and \"%s\"", src,
684 if (src != e_route_cnt->src_gateway) {
685 e_route_src = _get_route(src, e_route_cnt->src_gateway);
686 xbt_assert2(e_route_src, "no route between \"%s\" and \"%s\"", src,
687 e_route_cnt->src_gateway);
688 xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
689 xbt_dynar_push(e_route->generic_route.link_list, &link);
693 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
694 xbt_dynar_push(e_route->generic_route.link_list, &link);
697 if (e_route_cnt->dst_gateway != dst) {
698 e_route_dst = _get_route(e_route_cnt->dst_gateway, dst);
699 xbt_assert2(e_route_dst, "no route between \"%s\" and \"%s\"",
700 e_route_cnt->dst_gateway, dst);
701 xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
702 xbt_dynar_push(e_route->generic_route.link_list, &link);
706 e_route->src_gateway = xbt_strdup(e_route_cnt->src_gateway);
707 e_route->dst_gateway = xbt_strdup(e_route_cnt->dst_gateway);
709 generic_free_extended_route(e_route_src);
710 generic_free_extended_route(e_route_cnt);
711 generic_free_extended_route(e_route_dst);
714 xbt_dynar_free(&elem_father_list);
720 * \brief Generic method: find a route between hosts
722 * \param src the source host name
723 * \param dst the destination host name
725 * walk through the routing components tree and find a route between hosts
726 * by calling the differents "get_route" functions in each routing component
728 static xbt_dynar_t get_route(const char *src, const char *dst)
731 route_extended_t e_route;
732 xbt_dynar_t elem_father_list = elements_father(src, dst);
733 routing_component_t common_father =
734 xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
736 if (strcmp(src, dst))
737 e_route = _get_route(src, dst);
739 e_route = (*(common_father->get_route)) (common_father, src, dst);
741 xbt_assert2(e_route, "no route between \"%s\" and \"%s\"", src, dst);
743 if (global_routing->last_route)
744 xbt_dynar_free(&(global_routing->last_route));
745 global_routing->last_route = e_route->generic_route.link_list;
747 if (e_route->src_gateway)
748 xbt_free(e_route->src_gateway);
749 if (e_route->dst_gateway)
750 xbt_free(e_route->dst_gateway);
753 xbt_dynar_free(&elem_father_list);
755 if (xbt_dynar_length(global_routing->last_route) == 0)
758 return global_routing->last_route;
762 * \brief Recursive function for finalize
764 * \param rc the source host name
766 * This fuction is call by "finalize". It allow to finalize the
767 * AS or routing components. It delete all the structures.
769 static void _finalize(routing_component_t rc)
772 xbt_dict_cursor_t cursor = NULL;
774 routing_component_t elem;
775 xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
778 xbt_dict_t tmp_sons = rc->routing_sons;
779 char *tmp_name = rc->name;
780 xbt_dict_free(&tmp_sons);
782 xbt_assert1(rc->finalize, "no defined method \"finalize\" in \"%s\"",
783 current_routing->name);
784 (*(rc->finalize)) (rc);
789 * \brief Generic method: delete all the routing structures
791 * walk through the routing components tree and delete the structures
792 * by calling the differents "finalize" functions in each routing component
794 static void finalize(void)
796 /* delete recursibly all the tree */
797 _finalize(global_routing->root);
798 /* delete "where" dict */
799 xbt_dict_free(&(global_routing->where_network_elements));
800 /* delete last_route */
801 xbt_dynar_free(&(global_routing->last_route));
802 /* delete global routing structure */
803 xbt_free(global_routing);
806 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
808 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
810 //adding my one link routes
813 xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
815 xbt_dynar_foreach(onelink_mine, cpt, link) {
816 xbt_dynar_push(ret, &link);
821 xbt_dict_cursor_t cursor = NULL;
822 routing_component_t rc_child;
823 xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
824 xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
826 xbt_dynar_foreach(onelink_child, cpt, link) {
827 xbt_dynar_push(ret, &link);
834 static xbt_dynar_t get_onelink_routes(void)
836 return recursive_get_onelink_routes(global_routing->root);
839 static e_surf_network_element_type_t get_network_element_type(const char
842 network_element_info_t rc = NULL;
843 rc = xbt_dict_get(global_routing->where_network_elements, name);
848 * \brief Generic method: create the global routing schema
850 * Make a global routing structure and set all the parsing functions.
852 void routing_model_create(size_t size_of_links, void *loopback)
855 /* config the uniq global routing */
856 global_routing = xbt_new0(s_routing_global_t, 1);
857 global_routing->where_network_elements = xbt_dict_new();
858 global_routing->root = NULL;
859 global_routing->get_route = get_route;
860 global_routing->get_onelink_routes = get_onelink_routes;
861 global_routing->get_network_element_type = get_network_element_type;
862 global_routing->finalize = finalize;
863 global_routing->loopback = loopback;
864 global_routing->size_of_link = size_of_links;
865 global_routing->last_route = xbt_dynar_new(size_of_links, NULL);
867 /* no current routing at moment */
868 current_routing = NULL;
870 /* parse generic elements */
871 surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
872 surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router);
874 surfxml_add_callback(STag_surfxml_route_cb_list,
875 &parse_S_route_new_and_endpoints_XML);
876 surfxml_add_callback(STag_surfxml_ASroute_cb_list,
877 &parse_S_ASroute_new_and_endpoints);
878 surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
879 &parse_S_bypassRoute_new_and_endpoints);
881 surfxml_add_callback(ETag_surfxml_link_ctn_cb_list,
882 &parse_E_link_ctn_new_elem_XML);
884 surfxml_add_callback(ETag_surfxml_route_cb_list,
885 &parse_E_route_store_route);
886 surfxml_add_callback(ETag_surfxml_ASroute_cb_list,
887 &parse_E_ASroute_store_route);
888 surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
889 &parse_E_bypassRoute_store_route);
891 surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS_XML);
892 surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS_XML);
894 surfxml_add_callback(STag_surfxml_cluster_cb_list,
895 &routing_full_parse_Scluster);
897 surfxml_add_callback(STag_surfxml_config_cb_list, &parse_Sconfig);
900 /* ************************************************************************** */
901 /* *************************** FULL ROUTING ********************************* */
903 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
905 /* Routing model structure */
908 s_routing_component_t generic_routing;
909 xbt_dict_t parse_routes; /* store data during the parse process */
910 route_extended_t *routing_table;
911 } s_routing_component_full_t, *routing_component_full_t;
913 /* Business methods */
914 static xbt_dynar_t full_get_onelink_routes(routing_component_t rc)
916 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
918 routing_component_full_t routing = (routing_component_full_t) rc;
919 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
920 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
921 char *k1, *d1, *k2, *d2;
922 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
923 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
924 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k1);
925 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k2);
928 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
930 route_extended_t route = TO_ROUTE_FULL(*src_id, *dst_id);
932 if (xbt_dynar_length(route->generic_route.link_list) == 1) {
934 *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
936 onelink_t onelink = xbt_new0(s_onelink_t, 1);
937 onelink->link_ptr = link;
938 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
939 onelink->src = xbt_strdup(k1);
940 onelink->dst = xbt_strdup(k2);
941 } else if (routing->generic_routing.hierarchy ==
942 SURF_ROUTING_RECURSIVE) {
943 onelink->src = xbt_strdup(route->src_gateway);
944 onelink->dst = xbt_strdup(route->dst_gateway);
946 xbt_dynar_push(ret, &onelink);
954 static route_extended_t full_get_route(routing_component_t rc,
955 const char *src, const char *dst)
957 xbt_assert1(rc && src
959 "Invalid params for \"get_route\" function at AS \"%s\"",
963 routing_component_full_t routing = (routing_component_full_t) rc;
964 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
966 generic_src_dst_check(rc, src, dst);
967 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
968 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
971 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
974 route_extended_t e_route = NULL;
975 route_extended_t new_e_route = NULL;
977 unsigned int cpt = 0;
979 e_route = TO_ROUTE_FULL(*src_id, *dst_id);
982 new_e_route = xbt_new0(s_route_extended_t, 1);
983 new_e_route->src_gateway = xbt_strdup(e_route->src_gateway);
984 new_e_route->dst_gateway = xbt_strdup(e_route->dst_gateway);
985 new_e_route->generic_route.link_list =
986 xbt_dynar_new(global_routing->size_of_link, NULL);
987 xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
988 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
994 static void full_finalize(routing_component_t rc)
996 routing_component_full_t routing = (routing_component_full_t) rc;
997 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1000 /* Delete routing table */
1001 for (i = 0; i < table_size; i++)
1002 for (j = 0; j < table_size; j++)
1003 generic_free_extended_route(TO_ROUTE_FULL(i, j));
1004 xbt_free(routing->routing_table);
1005 /* Delete bypass dict */
1006 xbt_dict_free(&routing->generic_routing.bypassRoutes);
1007 /* Delete index dict */
1008 xbt_dict_free(&(routing->generic_routing.to_index));
1009 /* Delete structure */
1014 /* Creation routing model functions */
1016 static void *model_full_create(void)
1018 routing_component_full_t new_component =
1019 xbt_new0(s_routing_component_full_t, 1);
1020 new_component->generic_routing.set_processing_unit =
1021 generic_set_processing_unit;
1022 new_component->generic_routing.set_autonomous_system =
1023 generic_set_autonomous_system;
1024 new_component->generic_routing.set_route = generic_set_route;
1025 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1026 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1027 new_component->generic_routing.get_route = full_get_route;
1028 new_component->generic_routing.get_onelink_routes =
1029 full_get_onelink_routes;
1030 new_component->generic_routing.get_bypass_route =
1031 generic_get_bypassroute;
1032 new_component->generic_routing.finalize = full_finalize;
1033 new_component->generic_routing.to_index = xbt_dict_new();
1034 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1035 new_component->generic_routing.parse_routes = xbt_dict_new();
1036 return new_component;
1039 static void model_full_load(void)
1041 /* use "surfxml_add_callback" to add a parse function call */
1044 static void model_full_unload(void)
1046 /* use "surfxml_del_callback" to remove a parse function call */
1049 static void model_full_end(void)
1053 const char *sep = "#";
1057 route_extended_t e_route;
1060 xbt_dict_cursor_t cursor = NULL;
1061 xbt_dynar_t keys = NULL;
1063 /* set utils vars */
1064 routing_component_full_t routing =
1065 ((routing_component_full_t) current_routing);
1066 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1068 /* Create the routing table */
1069 routing->routing_table =
1070 xbt_new0(route_extended_t, table_size * table_size);
1072 /* Put the routes in position */
1073 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1074 keys = xbt_str_split_str(key, sep);
1075 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1076 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1077 TO_ROUTE_FULL(src_id, dst_id) =
1078 generic_new_extended_route(current_routing->hierarchy, data, 1);
1079 xbt_dynar_free(&keys);
1082 /* delete the parse table */
1083 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1084 route = (route_t) data;
1085 xbt_dynar_free(&(route->link_list));
1089 /* delete parse dict */
1090 xbt_dict_free(&(routing->generic_routing.parse_routes));
1092 /* Add the loopback if needed */
1093 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1094 for (i = 0; i < table_size; i++) {
1095 e_route = TO_ROUTE_FULL(i, i);
1097 e_route = xbt_new0(s_route_extended_t, 1);
1098 e_route->src_gateway = NULL;
1099 e_route->dst_gateway = NULL;
1100 e_route->generic_route.link_list =
1101 xbt_dynar_new(global_routing->size_of_link, NULL);
1102 xbt_dynar_push(e_route->generic_route.link_list,
1103 &global_routing->loopback);
1104 TO_ROUTE_FULL(i, i) = e_route;
1109 /* Shrink the dynar routes (save unused slots) */
1110 for (i = 0; i < table_size; i++)
1111 for (j = 0; j < table_size; j++)
1112 if (TO_ROUTE_FULL(i, j))
1113 xbt_dynar_shrink(TO_ROUTE_FULL(i, j)->generic_route.link_list, 0);
1116 /* ************************************************************************** */
1117 /* *************************** FLOYD ROUTING ******************************** */
1119 #define TO_FLOYD_COST(i,j) cost_table[(i)+(j)*table_size]
1120 #define TO_FLOYD_PRED(i,j) (routing->predecessor_table)[(i)+(j)*table_size]
1121 #define TO_FLOYD_LINK(i,j) (routing->link_table)[(i)+(j)*table_size]
1123 /* Routing model structure */
1126 s_routing_component_t generic_routing;
1127 /* vars for calculate the floyd algorith. */
1128 int *predecessor_table;
1129 route_extended_t *link_table; /* char* -> int* */
1130 } s_routing_component_floyd_t, *routing_component_floyd_t;
1132 static route_extended_t floyd_get_route(routing_component_t rc,
1133 const char *src, const char *dst);
1135 /* Business methods */
1136 static xbt_dynar_t floyd_get_onelink_routes(routing_component_t rc)
1138 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
1140 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1141 //size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1142 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
1143 char *k1, *d1, *k2, *d2;
1144 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
1145 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
1146 route_extended_t route = floyd_get_route(rc, k1, k2);
1148 if (xbt_dynar_length(route->generic_route.link_list) == 1) {
1150 *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
1152 onelink_t onelink = xbt_new0(s_onelink_t, 1);
1153 onelink->link_ptr = link;
1154 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
1155 onelink->src = xbt_strdup(k1);
1156 onelink->dst = xbt_strdup(k2);
1157 } else if (routing->generic_routing.hierarchy ==
1158 SURF_ROUTING_RECURSIVE) {
1159 onelink->src = xbt_strdup(route->src_gateway);
1160 onelink->dst = xbt_strdup(route->dst_gateway);
1162 xbt_dynar_push(ret, &onelink);
1170 static route_extended_t floyd_get_route(routing_component_t rc,
1171 const char *src, const char *dst)
1173 xbt_assert1(rc && src
1175 "Invalid params for \"get_route\" function at AS \"%s\"",
1178 /* set utils vars */
1179 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1180 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1182 generic_src_dst_check(rc, src, dst);
1183 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1184 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1187 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
1190 /* create a result route */
1191 route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1192 new_e_route->generic_route.link_list =
1193 xbt_dynar_new(global_routing->size_of_link, NULL);
1194 new_e_route->src_gateway = NULL;
1195 new_e_route->dst_gateway = NULL;
1200 char *gw_src = NULL, *gw_dst =
1201 NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
1208 pred = TO_FLOYD_PRED(*src_id, pred);
1209 if (pred == -1) /* if no pred in route -> no route to host */
1211 xbt_assert2(TO_FLOYD_LINK(pred, prev_pred),
1212 "Invalid link for the route between \"%s\" or \"%s\"", src,
1215 prev_gw_src = gw_src;
1216 prev_gw_dst = gw_dst;
1218 route_extended_t e_route = TO_FLOYD_LINK(pred, prev_pred);
1219 gw_src = e_route->src_gateway;
1220 gw_dst = e_route->dst_gateway;
1225 if (rc->hierarchy == SURF_ROUTING_RECURSIVE && !first
1226 && strcmp(gw_dst, prev_gw_src)) {
1227 xbt_dynar_t e_route_as_to_as =
1228 (*(global_routing->get_route)) (gw_dst, prev_gw_src);
1229 xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
1230 gw_dst, prev_gw_src);
1231 links = e_route_as_to_as;
1233 xbt_dynar_foreach(links, cpt, link) {
1234 xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
1240 links = e_route->generic_route.link_list;
1241 xbt_dynar_foreach(links, cpt, link) {
1242 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1246 } while (pred != *src_id);
1247 xbt_assert4(pred != -1, "no route from host %d to %d (\"%s\" to \"%s\")",
1248 *src_id, *dst_id, src, dst);
1250 if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1251 new_e_route->src_gateway = xbt_strdup(gw_src);
1252 new_e_route->dst_gateway = xbt_strdup(first_gw);
1258 static void floyd_finalize(routing_component_t rc)
1260 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1264 table_size = xbt_dict_length(routing->generic_routing.to_index);
1265 /* Delete link_table */
1266 for (i = 0; i < table_size; i++)
1267 for (j = 0; j < table_size; j++)
1268 generic_free_extended_route(TO_FLOYD_LINK(i, j));
1269 xbt_free(routing->link_table);
1270 /* Delete bypass dict */
1271 xbt_dict_free(&routing->generic_routing.bypassRoutes);
1272 /* Delete index dict */
1273 xbt_dict_free(&(routing->generic_routing.to_index));
1274 /* Delete dictionary index dict, predecessor and links table */
1275 xbt_free(routing->predecessor_table);
1276 /* Delete structure */
1281 static void *model_floyd_create(void)
1283 routing_component_floyd_t new_component =
1284 xbt_new0(s_routing_component_floyd_t, 1);
1285 new_component->generic_routing.set_processing_unit =
1286 generic_set_processing_unit;
1287 new_component->generic_routing.set_autonomous_system =
1288 generic_set_autonomous_system;
1289 new_component->generic_routing.set_route = generic_set_route;
1290 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1291 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1292 new_component->generic_routing.get_route = floyd_get_route;
1293 new_component->generic_routing.get_onelink_routes =
1294 floyd_get_onelink_routes;
1295 new_component->generic_routing.get_bypass_route =
1296 generic_get_bypassroute;
1297 new_component->generic_routing.finalize = floyd_finalize;
1298 new_component->generic_routing.to_index = xbt_dict_new();
1299 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1300 new_component->generic_routing.parse_routes = xbt_dict_new();
1301 return new_component;
1304 static void model_floyd_load(void)
1306 /* use "surfxml_add_callback" to add a parse function call */
1309 static void model_floyd_unload(void)
1311 /* use "surfxml_del_callback" to remove a parse function call */
1314 static void model_floyd_end(void)
1317 routing_component_floyd_t routing =
1318 ((routing_component_floyd_t) current_routing);
1319 xbt_dict_cursor_t cursor = NULL;
1321 char *key, *data, *end;
1322 const char *sep = "#";
1325 unsigned int i, j, a, b, c;
1327 /* set the size of inicial table */
1328 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1330 /* Create Cost, Predecessor and Link tables */
1331 cost_table = xbt_new0(double, table_size * table_size); /* link cost from host to host */
1332 routing->predecessor_table = xbt_new0(int, table_size * table_size); /* predecessor host numbers */
1333 routing->link_table = xbt_new0(route_extended_t, table_size * table_size); /* actual link between src and dst */
1335 /* Initialize costs and predecessors */
1336 for (i = 0; i < table_size; i++)
1337 for (j = 0; j < table_size; j++) {
1338 TO_FLOYD_COST(i, j) = DBL_MAX;
1339 TO_FLOYD_PRED(i, j) = -1;
1340 TO_FLOYD_LINK(i, j) = NULL; /* fixed, missing in the previous version */
1343 /* Put the routes in position */
1344 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1345 keys = xbt_str_split_str(key, sep);
1346 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1347 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1348 TO_FLOYD_LINK(src_id, dst_id) =
1349 generic_new_extended_route(current_routing->hierarchy, data, 0);
1350 TO_FLOYD_PRED(src_id, dst_id) = src_id;
1352 TO_FLOYD_COST(src_id, dst_id) = ((TO_FLOYD_LINK(src_id, dst_id))->generic_route.link_list)->used; /* count of links, old model assume 1 */
1353 xbt_dynar_free(&keys);
1356 /* Add the loopback if needed */
1357 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1358 for (i = 0; i < table_size; i++) {
1359 route_extended_t e_route = TO_FLOYD_LINK(i, i);
1361 e_route = xbt_new0(s_route_extended_t, 1);
1362 e_route->src_gateway = NULL;
1363 e_route->dst_gateway = NULL;
1364 e_route->generic_route.link_list =
1365 xbt_dynar_new(global_routing->size_of_link, NULL);
1366 xbt_dynar_push(e_route->generic_route.link_list,
1367 &global_routing->loopback);
1368 TO_FLOYD_LINK(i, i) = e_route;
1369 TO_FLOYD_PRED(i, i) = i;
1370 TO_FLOYD_COST(i, i) = 1;
1374 /* Calculate path costs */
1375 for (c = 0; c < table_size; c++) {
1376 for (a = 0; a < table_size; a++) {
1377 for (b = 0; b < table_size; b++) {
1378 if (TO_FLOYD_COST(a, c) < DBL_MAX && TO_FLOYD_COST(c, b) < DBL_MAX) {
1379 if (TO_FLOYD_COST(a, b) == DBL_MAX ||
1380 (TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b) <
1381 TO_FLOYD_COST(a, b))) {
1382 TO_FLOYD_COST(a, b) =
1383 TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b);
1384 TO_FLOYD_PRED(a, b) = TO_FLOYD_PRED(c, b);
1391 /* delete the parse table */
1392 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1393 route_t route = (route_t) data;
1394 xbt_dynar_free(&(route->link_list));
1398 /* delete parse dict */
1399 xbt_dict_free(&(routing->generic_routing.parse_routes));
1402 xbt_free(cost_table);
1405 /* ************************************************************************** */
1406 /* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
1409 s_routing_component_t generic_routing;
1410 xbt_graph_t route_graph; /* xbt_graph */
1411 xbt_dict_t graph_node_map; /* map */
1412 xbt_dict_t route_cache; /* use in cache mode */
1414 } s_routing_component_dijkstra_t, *routing_component_dijkstra_t;
1417 typedef struct graph_node_data {
1419 int graph_id; /* used for caching internal graph id's */
1420 } s_graph_node_data_t, *graph_node_data_t;
1422 typedef struct graph_node_map_element {
1424 } s_graph_node_map_element_t, *graph_node_map_element_t;
1426 typedef struct route_cache_element {
1429 } s_route_cache_element_t, *route_cache_element_t;
1431 /* Free functions */
1433 static void route_cache_elem_free(void *e)
1435 route_cache_element_t elm = (route_cache_element_t) e;
1437 xbt_free(elm->pred_arr);
1442 static void graph_node_map_elem_free(void *e)
1444 graph_node_map_element_t elm = (graph_node_map_element_t) e;
1450 static void graph_edge_data_free(void *e)
1452 route_extended_t e_route = (route_extended_t) e;
1454 xbt_dynar_free(&(e_route->generic_route.link_list));
1455 if (e_route->src_gateway)
1456 xbt_free(e_route->src_gateway);
1457 if (e_route->dst_gateway)
1458 xbt_free(e_route->dst_gateway);
1463 /* Utility functions */
1465 static xbt_node_t route_graph_new_node(routing_component_dijkstra_t rc,
1466 int id, int graph_id)
1468 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1469 xbt_node_t node = NULL;
1470 graph_node_data_t data = NULL;
1471 graph_node_map_element_t elm = NULL;
1473 data = xbt_new0(struct graph_node_data, 1);
1475 data->graph_id = graph_id;
1476 node = xbt_graph_new_node(routing->route_graph, data);
1478 elm = xbt_new0(struct graph_node_map_element, 1);
1480 xbt_dict_set_ext(routing->graph_node_map, (char *) (&id), sizeof(int),
1481 (xbt_set_elm_t) elm, &graph_node_map_elem_free);
1486 static graph_node_map_element_t
1487 graph_node_map_search(routing_component_dijkstra_t rc, int id)
1489 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1490 graph_node_map_element_t elm = (graph_node_map_element_t)
1491 xbt_dict_get_or_null_ext(routing->graph_node_map,
1499 static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id,
1500 int dst_id, route_extended_t e_route)
1502 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1504 xbt_node_t src = NULL;
1505 xbt_node_t dst = NULL;
1506 graph_node_map_element_t src_elm = (graph_node_map_element_t)
1507 xbt_dict_get_or_null_ext(routing->graph_node_map,
1510 graph_node_map_element_t dst_elm = (graph_node_map_element_t)
1511 xbt_dict_get_or_null_ext(routing->graph_node_map,
1516 src = src_elm->node;
1519 dst = dst_elm->node;
1521 /* add nodes if they don't exist in the graph */
1522 if (src_id == dst_id && src == NULL && dst == NULL) {
1523 src = route_graph_new_node(rc, src_id, -1);
1527 src = route_graph_new_node(rc, src_id, -1);
1530 dst = route_graph_new_node(rc, dst_id, -1);
1534 /* add link as edge to graph */
1535 xbt_graph_new_edge(routing->route_graph, src, dst, e_route);
1538 static void add_loopback_dijkstra(routing_component_dijkstra_t rc)
1540 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1542 xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1544 xbt_node_t node = NULL;
1545 unsigned int cursor2;
1546 xbt_dynar_foreach(nodes, cursor2, node) {
1547 xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node);
1548 xbt_edge_t edge = NULL;
1549 unsigned int cursor;
1552 xbt_dynar_foreach(out_edges, cursor, edge) {
1553 xbt_node_t other_node = xbt_graph_edge_get_target(edge);
1554 if (other_node == node) {
1561 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
1562 e_route->src_gateway = NULL;
1563 e_route->dst_gateway = NULL;
1564 e_route->generic_route.link_list =
1565 xbt_dynar_new(global_routing->size_of_link, NULL);
1566 xbt_dynar_push(e_route->generic_route.link_list,
1567 &global_routing->loopback);
1568 xbt_graph_new_edge(routing->route_graph, node, node, e_route);
1573 /* Business methods */
1574 static xbt_dynar_t dijkstra_get_onelink_routes(routing_component_t rc)
1576 xbt_die("\"dijkstra_get_onelink_routes\" function not implemented yet");
1579 static route_extended_t dijkstra_get_route(routing_component_t rc,
1583 xbt_assert1(rc && src
1585 "Invalid params for \"get_route\" function at AS \"%s\"",
1588 /* set utils vars */
1589 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1591 generic_src_dst_check(rc, src, dst);
1592 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1593 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1596 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
1599 /* create a result route */
1600 route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1601 new_e_route->generic_route.link_list =
1602 xbt_dynar_new(global_routing->size_of_link, NULL);
1603 new_e_route->src_gateway = NULL;
1604 new_e_route->dst_gateway = NULL;
1606 int *pred_arr = NULL;
1607 int src_node_id = 0;
1608 int dst_node_id = 0;
1611 route_extended_t e_route;
1615 xbt_dynar_t links = NULL;
1616 route_cache_element_t elm = NULL;
1617 xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1619 /* Use the graph_node id mapping set to quickly find the nodes */
1620 graph_node_map_element_t src_elm =
1621 graph_node_map_search(routing, *src_id);
1622 graph_node_map_element_t dst_elm =
1623 graph_node_map_search(routing, *dst_id);
1624 xbt_assert2(src_elm != NULL
1625 && dst_elm != NULL, "src %d or dst %d does not exist",
1627 src_node_id = ((graph_node_data_t)
1628 xbt_graph_node_get_data(src_elm->node))->graph_id;
1629 dst_node_id = ((graph_node_data_t)
1630 xbt_graph_node_get_data(dst_elm->node))->graph_id;
1632 /* if the src and dst are the same *//* fixed, missing in the previous version */
1633 if (src_node_id == dst_node_id) {
1635 xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_node_id, xbt_node_t);
1636 xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_node_id, xbt_node_t);
1638 xbt_graph_get_edge(routing->route_graph, node_s_v, node_e_v);
1640 xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
1643 e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
1645 links = e_route->generic_route.link_list;
1646 xbt_dynar_foreach(links, cpt, link) {
1647 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1653 if (routing->cached) {
1654 /*check if there is a cached predecessor list avail */
1655 elm = (route_cache_element_t)
1656 xbt_dict_get_or_null_ext(routing->route_cache, (char *) (&src_id),
1660 if (elm) { /* cached mode and cache hit */
1661 pred_arr = elm->pred_arr;
1662 } else { /* not cached mode or cache miss */
1663 double *cost_arr = NULL;
1664 xbt_heap_t pqueue = NULL;
1667 int nr_nodes = xbt_dynar_length(nodes);
1668 cost_arr = xbt_new0(double, nr_nodes); /* link cost from src to other hosts */
1669 pred_arr = xbt_new0(int, nr_nodes); /* predecessors in path from src */
1670 pqueue = xbt_heap_new(nr_nodes, xbt_free);
1673 cost_arr[src_node_id] = 0.0;
1675 for (i = 0; i < nr_nodes; i++) {
1676 if (i != src_node_id) {
1677 cost_arr[i] = DBL_MAX;
1682 /* initialize priority queue */
1683 nodeid = xbt_new0(int, 1);
1685 xbt_heap_push(pqueue, nodeid, cost_arr[i]);
1689 /* apply dijkstra using the indexes from the graph's node array */
1690 while (xbt_heap_size(pqueue) > 0) {
1691 int *v_id = xbt_heap_pop(pqueue);
1692 xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t);
1693 xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node);
1694 xbt_edge_t edge = NULL;
1695 unsigned int cursor;
1697 xbt_dynar_foreach(out_edges, cursor, edge) {
1698 xbt_node_t u_node = xbt_graph_edge_get_target(edge);
1699 graph_node_data_t data = xbt_graph_node_get_data(u_node);
1700 int u_id = data->graph_id;
1701 route_extended_t tmp_e_route =
1702 (route_extended_t) xbt_graph_edge_get_data(edge);
1703 int cost_v_u = (tmp_e_route->generic_route.link_list)->used; /* count of links, old model assume 1 */
1705 if (cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
1706 pred_arr[u_id] = *v_id;
1707 cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
1708 nodeid = xbt_new0(int, 1);
1710 xbt_heap_push(pqueue, nodeid, cost_arr[u_id]);
1714 /* free item popped from pqueue */
1719 xbt_heap_free(pqueue);
1722 /* compose route path with links */
1723 char *gw_src = NULL, *gw_dst =
1724 NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
1726 for (v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
1727 xbt_node_t node_pred_v =
1728 xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
1729 xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t);
1731 xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
1733 xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
1736 prev_gw_src = gw_src;
1737 prev_gw_dst = gw_dst;
1739 e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
1740 gw_src = e_route->src_gateway;
1741 gw_dst = e_route->dst_gateway;
1743 if (v == dst_node_id)
1746 if (rc->hierarchy == SURF_ROUTING_RECURSIVE && v != dst_node_id
1747 && strcmp(gw_dst, prev_gw_src)) {
1748 xbt_dynar_t e_route_as_to_as =
1749 (*(global_routing->get_route)) (gw_dst, prev_gw_src);
1750 xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
1751 gw_dst, prev_gw_src);
1752 links = e_route_as_to_as;
1754 xbt_dynar_foreach(links, cpt, link) {
1755 xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
1761 links = e_route->generic_route.link_list;
1762 xbt_dynar_foreach(links, cpt, link) {
1763 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1768 if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1769 new_e_route->src_gateway = xbt_strdup(gw_src);
1770 new_e_route->dst_gateway = xbt_strdup(first_gw);
1773 if (routing->cached && elm == NULL) {
1774 /* add to predecessor list of the current src-host to cache */
1775 elm = xbt_new0(struct route_cache_element, 1);
1776 elm->pred_arr = pred_arr;
1778 xbt_dict_set_ext(routing->route_cache, (char *) (&src_id), sizeof(int),
1779 (xbt_set_elm_t) elm, &route_cache_elem_free);
1782 if (!routing->cached)
1788 static void dijkstra_finalize(routing_component_t rc)
1790 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1793 xbt_graph_free_graph(routing->route_graph, &xbt_free,
1794 &graph_edge_data_free, &xbt_free);
1795 xbt_dict_free(&routing->graph_node_map);
1796 if (routing->cached)
1797 xbt_dict_free(&routing->route_cache);
1798 /* Delete bypass dict */
1799 xbt_dict_free(&routing->generic_routing.bypassRoutes);
1800 /* Delete index dict */
1801 xbt_dict_free(&(routing->generic_routing.to_index));
1802 /* Delete structure */
1807 /* Creation routing model functions */
1809 static void *model_dijkstra_both_create(int cached)
1811 routing_component_dijkstra_t new_component =
1812 xbt_new0(s_routing_component_dijkstra_t, 1);
1813 new_component->generic_routing.set_processing_unit =
1814 generic_set_processing_unit;
1815 new_component->generic_routing.set_autonomous_system =
1816 generic_set_autonomous_system;
1817 new_component->generic_routing.set_route = generic_set_route;
1818 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1819 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1820 new_component->generic_routing.get_route = dijkstra_get_route;
1821 new_component->generic_routing.get_onelink_routes =
1822 dijkstra_get_onelink_routes;
1823 new_component->generic_routing.get_bypass_route =
1824 generic_get_bypassroute;
1825 new_component->generic_routing.finalize = dijkstra_finalize;
1826 new_component->cached = cached;
1827 new_component->generic_routing.to_index = xbt_dict_new();
1828 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1829 new_component->generic_routing.parse_routes = xbt_dict_new();
1830 return new_component;
1833 static void *model_dijkstra_create(void)
1835 return model_dijkstra_both_create(0);
1838 static void *model_dijkstracache_create(void)
1840 return model_dijkstra_both_create(1);
1843 static void model_dijkstra_both_load(void)
1845 /* use "surfxml_add_callback" to add a parse function call */
1848 static void model_dijkstra_both_unload(void)
1850 /* use "surfxml_del_callback" to remove a parse function call */
1853 static void model_dijkstra_both_end(void)
1855 routing_component_dijkstra_t routing =
1856 (routing_component_dijkstra_t) current_routing;
1857 xbt_dict_cursor_t cursor = NULL;
1858 char *key, *data, *end;
1859 const char *sep = "#";
1861 xbt_node_t node = NULL;
1862 unsigned int cursor2;
1863 xbt_dynar_t nodes = NULL;
1867 /* Create the topology graph */
1868 routing->route_graph = xbt_graph_new_graph(1, NULL);
1869 routing->graph_node_map = xbt_dict_new();
1871 if (routing->cached)
1872 routing->route_cache = xbt_dict_new();
1874 /* Put the routes in position */
1875 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1876 keys = xbt_str_split_str(key, sep);
1877 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1878 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1879 route_extended_t e_route =
1880 generic_new_extended_route(current_routing->hierarchy, data, 0);
1881 route_new_dijkstra(routing, src_id, dst_id, e_route);
1882 xbt_dynar_free(&keys);
1885 /* delete the parse table */
1886 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1887 route = (route_t) data;
1888 xbt_dynar_free(&(route->link_list));
1892 /* delete parse dict */
1893 xbt_dict_free(&(routing->generic_routing.parse_routes));
1895 /* Add the loopback if needed */
1896 if (current_routing->hierarchy == SURF_ROUTING_BASE)
1897 add_loopback_dijkstra(routing);
1899 /* initialize graph indexes in nodes after graph has been built */
1900 nodes = xbt_graph_get_nodes(routing->route_graph);
1902 xbt_dynar_foreach(nodes, cursor2, node) {
1903 graph_node_data_t data = xbt_graph_node_get_data(node);
1904 data->graph_id = cursor2;
1909 #ifdef HAVE_PCRE_LIB
1910 /* ************************************************** */
1911 /* ************** RULE-BASED ROUTING **************** */
1913 /* Routing model structure */
1916 s_routing_component_t generic_routing;
1917 xbt_dict_t dict_processing_units;
1918 xbt_dict_t dict_autonomous_systems;
1919 xbt_dynar_t list_route;
1920 xbt_dynar_t list_ASroute;
1921 } s_routing_component_rulebased_t, *routing_component_rulebased_t;
1923 typedef struct s_rule_route s_rule_route_t, *rule_route_t;
1924 typedef struct s_rule_route_extended s_rule_route_extended_t,
1925 *rule_route_extended_t;
1927 struct s_rule_route {
1928 xbt_dynar_t re_str_link; // dynar of char*
1933 struct s_rule_route_extended {
1934 s_rule_route_t generic_rule_route;
1935 char *re_src_gateway;
1936 char *re_dst_gateway;
1939 static void rule_route_free(void *e)
1941 rule_route_t *elem = (rule_route_t *) (e);
1943 xbt_dynar_free(&(*elem)->re_str_link);
1944 pcre_free((*elem)->re_src);
1945 pcre_free((*elem)->re_dst);
1951 static void rule_route_extended_free(void *e)
1953 rule_route_extended_t *elem = (rule_route_extended_t *) e;
1955 xbt_dynar_free(&(*elem)->generic_rule_route.re_str_link);
1956 pcre_free((*elem)->generic_rule_route.re_src);
1957 pcre_free((*elem)->generic_rule_route.re_dst);
1958 xbt_free((*elem)->re_src_gateway);
1959 xbt_free((*elem)->re_dst_gateway);
1964 /* Parse routing model functions */
1966 static void model_rulebased_set_processing_unit(routing_component_t rc,
1969 routing_component_rulebased_t routing =
1970 (routing_component_rulebased_t) rc;
1971 xbt_dict_set(routing->dict_processing_units, name, (void *) (-1), NULL);
1974 static void model_rulebased_set_autonomous_system(routing_component_t rc,
1977 routing_component_rulebased_t routing =
1978 (routing_component_rulebased_t) rc;
1979 xbt_dict_set(routing->dict_autonomous_systems, name, (void *) (-1),
1983 static void model_rulebased_set_route(routing_component_t rc,
1984 const char *src, const char *dst,
1987 routing_component_rulebased_t routing =
1988 (routing_component_rulebased_t) rc;
1989 rule_route_t ruleroute = xbt_new0(s_rule_route_t, 1);
1992 ruleroute->re_src = pcre_compile(src, 0, &error, &erroffset, NULL);
1993 xbt_assert3(ruleroute->re_src,
1994 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
1995 erroffset, src, error);
1996 ruleroute->re_dst = pcre_compile(dst, 0, &error, &erroffset, NULL);
1997 xbt_assert3(ruleroute->re_src,
1998 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
1999 erroffset, dst, error);
2000 ruleroute->re_str_link = route->link_list;
2001 xbt_dynar_push(routing->list_route, &ruleroute);
2005 static void model_rulebased_set_ASroute(routing_component_t rc,
2006 const char *src, const char *dst,
2007 route_extended_t route)
2009 routing_component_rulebased_t routing =
2010 (routing_component_rulebased_t) rc;
2011 rule_route_extended_t ruleroute_e = xbt_new0(s_rule_route_extended_t, 1);
2014 ruleroute_e->generic_rule_route.re_src =
2015 pcre_compile(src, 0, &error, &erroffset, NULL);
2016 xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2017 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2018 erroffset, src, error);
2019 ruleroute_e->generic_rule_route.re_dst =
2020 pcre_compile(dst, 0, &error, &erroffset, NULL);
2021 xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2022 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2023 erroffset, dst, error);
2024 ruleroute_e->generic_rule_route.re_str_link =
2025 route->generic_route.link_list;
2026 ruleroute_e->re_src_gateway = route->src_gateway;
2027 ruleroute_e->re_dst_gateway = route->dst_gateway;
2028 xbt_dynar_push(routing->list_ASroute, &ruleroute_e);
2029 xbt_free(route->src_gateway);
2030 xbt_free(route->dst_gateway);
2034 static void model_rulebased_set_bypassroute(routing_component_t rc,
2037 route_extended_t e_route)
2039 xbt_die("bypass routing not supported for Route-Based model");
2042 #define BUFFER_SIZE 4096 /* result buffer size */
2043 #define OVECCOUNT 30 /* should be a multiple of 3 */
2045 static char *remplace(char *value, const char **src_list, int src_size,
2046 const char **dst_list, int dst_size)
2049 char result_result[BUFFER_SIZE];
2050 int i_result_buffer;
2051 int value_length = (int) strlen(value);
2055 i_result_buffer = 0;
2057 if (value[i] == '$') {
2061 int number_length = 0;
2062 while ('0' <= value[i + number_length]
2063 && value[i + number_length] <= '9') {
2066 xbt_assert2(number_length != 0,
2067 "bad string parameter, no number indication, at offset: %d (\"%s\")",
2071 number = atoi(value + i);
2072 i = i + number_length;
2073 xbt_assert2(i + 2 < value_length,
2074 "bad string parameter, too few chars, at offset: %d (\"%s\")",
2077 // solve the indication
2078 const char **param_list;
2080 if (value[i] == 's' && value[i + 1] == 'r' && value[i + 2] == 'c') {
2081 param_list = src_list;
2082 param_size = src_size;
2083 } else if (value[i] == 'd' && value[i + 1] == 's'
2084 && value[i + 2] == 't') {
2085 param_list = dst_list;
2086 param_size = dst_size;
2089 "bad string parameter, support only \"src\" and \"dst\", at offset: %d (\"%s\")",
2094 xbt_assert4(param_size >= number,
2095 "bad string parameter, not enough length param_size, at offset: %d (\"%s\") %d %d",
2096 i, value, param_size, number);
2098 const char *param = param_list[number];
2099 int size = strlen(param);
2101 for (cp = 0; cp < size; cp++) {
2102 result_result[i_result_buffer] = param[cp];
2104 if (i_result_buffer >= BUFFER_SIZE)
2108 result_result[i_result_buffer] = value[i];
2113 } while (i < value_length && i_result_buffer < BUFFER_SIZE);
2115 xbt_assert2(i_result_buffer < BUFFER_SIZE,
2116 "solving string \"%s\", small buffer size (%d)", value,
2118 result_result[i_result_buffer] = 0;
2119 return xbt_strdup(result_result);
2122 static route_extended_t rulebased_get_route(routing_component_t rc,
2125 static xbt_dynar_t rulebased_get_onelink_routes(routing_component_t rc)
2127 xbt_dynar_t ret = xbt_dynar_new (sizeof(onelink_t), xbt_free);
2128 routing_component_rulebased_t routing = (routing_component_rulebased_t)rc;
2130 xbt_dict_cursor_t c1 = NULL;
2134 char *router = NULL;
2135 xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2136 if (strstr (k1, "router")){
2141 xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2144 xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2145 route_extended_t route = rulebased_get_route (rc, router, k1);
2147 int number_of_links = xbt_dynar_length(route->generic_route.link_list);
2148 if (number_of_links != 3) {
2149 xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2153 xbt_dynar_get_cpy (route->generic_route.link_list, 2, &link_ptr);
2154 onelink_t onelink = xbt_new0 (s_onelink_t, 1);
2155 onelink->src = xbt_strdup (k1);
2156 onelink->dst = xbt_strdup (router);
2157 onelink->link_ptr = link_ptr;
2158 xbt_dynar_push (ret, &onelink);
2163 /* Business methods */
2164 static route_extended_t rulebased_get_route(routing_component_t rc,
2168 xbt_assert1(rc && src
2170 "Invalid params for \"get_route\" function at AS \"%s\"",
2173 /* set utils vars */
2174 routing_component_rulebased_t routing =
2175 (routing_component_rulebased_t) rc;
2177 int are_processing_units;
2178 xbt_dynar_t rule_list;
2179 if (xbt_dict_get_or_null(routing->dict_processing_units, src)
2180 && xbt_dict_get_or_null(routing->dict_processing_units, dst)) {
2181 are_processing_units = 1;
2182 rule_list = routing->list_route;
2183 } else if (xbt_dict_get_or_null(routing->dict_autonomous_systems, src)
2184 && xbt_dict_get_or_null(routing->dict_autonomous_systems,
2186 are_processing_units = 0;
2187 rule_list = routing->list_ASroute;
2190 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
2195 int src_length = (int) strlen(src);
2196 int dst_length = (int) strlen(dst);
2198 xbt_dynar_t links_list =
2199 xbt_dynar_new(global_routing->size_of_link, NULL);
2201 rule_route_t ruleroute;
2203 int ovector_src[OVECCOUNT];
2204 int ovector_dst[OVECCOUNT];
2205 const char **list_src = NULL;
2206 const char **list_dst = NULL;
2207 xbt_dynar_foreach(rule_list, cpt, ruleroute) {
2209 pcre_exec(ruleroute->re_src, NULL, src, src_length, 0, 0,
2210 ovector_src, OVECCOUNT);
2213 pcre_exec(ruleroute->re_dst, NULL, dst, dst_length, 0, 0,
2214 ovector_dst, OVECCOUNT);
2216 xbt_assert1(!pcre_get_substring_list
2217 (src, ovector_src, rc_src, &list_src),
2218 "error solving substring list for src \"%s\"", src);
2219 xbt_assert1(!pcre_get_substring_list
2220 (dst, ovector_dst, rc_dst, &list_dst),
2221 "error solving substring list for src \"%s\"", dst);
2223 xbt_dynar_foreach(ruleroute->re_str_link, cpt, link_name) {
2224 char *new_link_name =
2225 remplace(link_name, list_src, rc_src, list_dst, rc_dst);
2227 xbt_dict_get_or_null(surf_network_model->resource_set,
2230 xbt_dynar_push(links_list, &link);
2232 THROW1(mismatch_error, 0, "Link %s not found", new_link_name);
2233 xbt_free(new_link_name);
2237 if (rc_src >= 0 && rc_dst >= 0)
2241 route_extended_t new_e_route = NULL;
2242 if (rc_src >= 0 && rc_dst >= 0) {
2243 new_e_route = xbt_new0(s_route_extended_t, 1);
2244 new_e_route->generic_route.link_list = links_list;
2245 } else if (!strcmp(src, dst) && are_processing_units) {
2246 new_e_route = xbt_new0(s_route_extended_t, 1);
2247 xbt_dynar_push(links_list, &(global_routing->loopback));
2248 new_e_route->generic_route.link_list = links_list;
2250 xbt_dynar_free(&link_list);
2253 if (!are_processing_units && new_e_route) {
2254 rule_route_extended_t ruleroute_extended =
2255 (rule_route_extended_t) ruleroute;
2256 new_e_route->src_gateway =
2257 remplace(ruleroute_extended->re_src_gateway, list_src, rc_src,
2259 new_e_route->dst_gateway =
2260 remplace(ruleroute_extended->re_dst_gateway, list_src, rc_src,
2265 pcre_free_substring_list(list_src);
2267 pcre_free_substring_list(list_dst);
2272 static route_extended_t rulebased_get_bypass_route(routing_component_t rc,
2279 static void rulebased_finalize(routing_component_t rc)
2281 routing_component_rulebased_t routing =
2282 (routing_component_rulebased_t) rc;
2284 xbt_dict_free(&routing->dict_processing_units);
2285 xbt_dict_free(&routing->dict_autonomous_systems);
2286 xbt_dynar_free(&routing->list_route);
2287 xbt_dynar_free(&routing->list_ASroute);
2288 /* Delete structure */
2293 /* Creation routing model functions */
2294 static void *model_rulebased_create(void)
2296 routing_component_rulebased_t new_component =
2297 xbt_new0(s_routing_component_rulebased_t, 1);
2298 new_component->generic_routing.set_processing_unit =
2299 model_rulebased_set_processing_unit;
2300 new_component->generic_routing.set_autonomous_system =
2301 model_rulebased_set_autonomous_system;
2302 new_component->generic_routing.set_route = model_rulebased_set_route;
2303 new_component->generic_routing.set_ASroute = model_rulebased_set_ASroute;
2304 new_component->generic_routing.set_bypassroute = model_rulebased_set_bypassroute;
2305 new_component->generic_routing.get_onelink_routes = rulebased_get_onelink_routes;
2306 new_component->generic_routing.get_route = rulebased_get_route;
2307 new_component->generic_routing.get_bypass_route = generic_get_bypassroute; //rulebased_get_bypass_route;
2308 new_component->generic_routing.finalize = rulebased_finalize;
2309 /* initialization of internal structures */
2310 new_component->dict_processing_units = xbt_dict_new();
2311 new_component->dict_autonomous_systems = xbt_dict_new();
2312 new_component->list_route = xbt_dynar_new(sizeof(rule_route_t), &rule_route_free);
2313 new_component->list_ASroute =
2314 xbt_dynar_new(sizeof(rule_route_extended_t),
2315 &rule_route_extended_free);
2316 return new_component;
2319 static void model_rulebased_load(void)
2321 /* use "surfxml_add_callback" to add a parse function call */
2324 static void model_rulebased_unload(void)
2326 /* use "surfxml_del_callback" to remove a parse function call */
2329 static void model_rulebased_end(void)
2333 #endif /* HAVE_PCRE_LIB */
2335 /* ************************************************************************** */
2336 /* ******************************* NO ROUTING ******************************* */
2338 /* Routing model structure */
2340 s_routing_component_t generic_routing;
2341 } s_routing_component_none_t, *routing_component_none_t;
2343 /* Business methods */
2344 static xbt_dynar_t none_get_onelink_routes(routing_component_t rc)
2349 static route_extended_t none_get_route(routing_component_t rc,
2350 const char *src, const char *dst)
2355 static route_extended_t none_get_bypass_route(routing_component_t rc,
2362 static void none_finalize(routing_component_t rc)
2367 static void none_set_processing_unit(routing_component_t rc,
2372 static void none_set_autonomous_system(routing_component_t rc,
2377 /* Creation routing model functions */
2378 static void *model_none_create(void)
2380 routing_component_none_t new_component =
2381 xbt_new0(s_routing_component_none_t, 1);
2382 new_component->generic_routing.set_processing_unit =
2383 none_set_processing_unit;
2384 new_component->generic_routing.set_autonomous_system =
2385 none_set_autonomous_system;
2386 new_component->generic_routing.set_route = NULL;
2387 new_component->generic_routing.set_ASroute = NULL;
2388 new_component->generic_routing.set_bypassroute = NULL;
2389 new_component->generic_routing.get_route = none_get_route;
2390 new_component->generic_routing.get_onelink_routes =
2391 none_get_onelink_routes;
2392 new_component->generic_routing.get_bypass_route = none_get_bypass_route;
2393 new_component->generic_routing.finalize = none_finalize;
2394 return new_component;
2397 static void model_none_load(void)
2401 static void model_none_unload(void)
2405 static void model_none_end(void)
2409 /* ************************************************** */
2410 /* ********** PATERN FOR NEW ROUTING **************** */
2412 /* The minimal configuration of a new routing model need the next functions,
2413 * also you need to set at the start of the file, the new model in the model
2414 * list. Remember keep the null ending of the list.
2416 /*** Routing model structure ***/
2418 // s_routing_component_t generic_routing;
2419 // /* things that your routing model need */
2420 // } s_routing_component_NEW_t,*routing_component_NEW_t;
2422 /*** Parse routing model functions ***/
2423 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
2424 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
2425 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
2426 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
2427 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
2429 /*** Business methods ***/
2430 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2431 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2432 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
2434 /*** Creation routing model functions ***/
2435 // static void* model_NEW_create(void) {
2436 // routing_component_NEW_t new_component = xbt_new0(s_routing_component_NEW_t,1);
2437 // new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
2438 // new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
2439 // new_component->generic_routing.set_route = model_NEW_set_route;
2440 // new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
2441 // new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
2442 // new_component->generic_routing.get_route = NEW_get_route;
2443 // new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
2444 // new_component->generic_routing.finalize = NEW_finalize;
2445 // /* initialization of internal structures */
2446 // return new_component;
2447 // } /* mandatory */
2448 // static void model_NEW_load(void) {} /* mandatory */
2449 // static void model_NEW_unload(void) {} /* mandatory */
2450 // static void model_NEW_end(void) {} /* mandatory */
2452 /* ************************************************************************** */
2453 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
2455 static void generic_set_processing_unit(routing_component_t rc,
2458 DEBUG1("Load process unit \"%s\"", name);
2459 int *id = xbt_new0(int, 1);
2460 xbt_dict_t _to_index;
2461 _to_index = current_routing->to_index;
2462 *id = xbt_dict_length(_to_index);
2463 xbt_dict_set(_to_index, name, id, xbt_free);
2466 static void generic_set_autonomous_system(routing_component_t rc,
2469 DEBUG1("Load Autonomous system \"%s\"", name);
2470 int *id = xbt_new0(int, 1);
2471 xbt_dict_t _to_index;
2472 _to_index = current_routing->to_index;
2473 *id = xbt_dict_length(_to_index);
2474 xbt_dict_set(_to_index, name, id, xbt_free);
2477 static void generic_set_route(routing_component_t rc, const char *src,
2478 const char *dst, route_t route)
2480 DEBUG2("Load Route from \"%s\" to \"%s\"", src, dst);
2481 xbt_dict_t _parse_routes;
2482 xbt_dict_t _to_index;
2484 int *src_id, *dst_id;
2485 _to_index = current_routing->to_index;
2487 _parse_routes = current_routing->parse_routes;
2489 src_id = xbt_dict_get_or_null(_to_index, src);
2490 dst_id = xbt_dict_get_or_null(_to_index, dst);
2493 && dst_id, "Network elements %s or %s not found", src, dst);
2494 route_name = bprintf("%d#%d", *src_id, *dst_id);
2496 xbt_assert2(xbt_dynar_length(route->link_list) > 0,
2497 "Invalid count of links, must be greater than zero (%s,%s)",
2499 xbt_assert2(!xbt_dict_get_or_null(_parse_routes, route_name),
2500 "The route between \"%s\" and \"%s\" already exist", src,
2503 xbt_dict_set(_parse_routes, route_name, route, NULL);
2504 xbt_free(route_name);
2507 static void generic_set_ASroute(routing_component_t rc, const char *src,
2508 const char *dst, route_extended_t e_route)
2510 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
2511 e_route->src_gateway, dst, e_route->dst_gateway);
2513 xbt_dict_t _parse_routes;
2514 xbt_dict_t _to_index;
2516 int *src_id, *dst_id;
2517 _to_index = current_routing->to_index;
2519 _parse_routes = current_routing->parse_routes;
2521 src_id = xbt_dict_get_or_null(_to_index, src);
2522 dst_id = xbt_dict_get_or_null(_to_index, dst);
2525 && dst_id, "Network elements %s or %s not found", src, dst);
2526 route_name = bprintf("%d#%d", *src_id, *dst_id);
2528 xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
2529 "Invalid count of links, must be greater than zero (%s,%s)",
2531 xbt_assert4(!xbt_dict_get_or_null(_parse_routes, route_name),
2532 "The route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",
2533 src, e_route->src_gateway, dst, e_route->dst_gateway);
2535 xbt_dict_set(_parse_routes, route_name, e_route, NULL);
2536 xbt_free(route_name);
2539 static void generic_set_bypassroute(routing_component_t rc,
2540 const char *src, const char *dst,
2541 route_extended_t e_route)
2543 DEBUG2("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
2544 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
2547 route_name = bprintf("%s#%s", src, dst);
2548 xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
2549 "Invalid count of links, must be greater than zero (%s,%s)",
2551 xbt_assert4(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
2552 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",
2553 src, e_route->src_gateway, dst, e_route->dst_gateway);
2555 route_extended_t new_e_route =
2556 generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
2557 xbt_dynar_free(&(e_route->generic_route.link_list));
2560 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
2561 (void (*)(void *)) generic_free_extended_route);
2562 xbt_free(route_name);
2565 /* ************************************************************************** */
2566 /* *********************** GENERIC BUSINESS METHODS ************************* */
2568 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
2570 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
2573 static route_extended_t generic_get_bypassroute(routing_component_t rc,
2577 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
2578 routing_component_t src_as, dst_as;
2579 int index_src, index_dst;
2580 xbt_dynar_t path_src = NULL;
2581 xbt_dynar_t path_dst = NULL;
2582 routing_component_t current = NULL;
2583 routing_component_t *current_src = NULL;
2584 routing_component_t *current_dst = NULL;
2586 /* (1) find the as where the src and dst are located */
2587 src_as = ((network_element_info_t)
2588 xbt_dict_get_or_null(global_routing->where_network_elements,
2589 src))->rc_component;
2590 dst_as = ((network_element_info_t)
2591 xbt_dict_get_or_null(global_routing->where_network_elements,
2592 dst))->rc_component;
2595 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
2598 /* (2) find the path to the root routing component */
2599 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
2601 while (current != NULL) {
2602 xbt_dynar_push(path_src, ¤t);
2603 current = current->routing_father;
2605 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
2607 while (current != NULL) {
2608 xbt_dynar_push(path_dst, ¤t);
2609 current = current->routing_father;
2612 /* (3) find the common father */
2613 index_src = (path_src->used) - 1;
2614 index_dst = (path_dst->used) - 1;
2615 current_src = xbt_dynar_get_ptr(path_src, index_src);
2616 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
2617 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
2618 routing_component_t *tmp_src, *tmp_dst;
2619 tmp_src = xbt_dynar_pop_ptr(path_src);
2620 tmp_dst = xbt_dynar_pop_ptr(path_dst);
2623 current_src = xbt_dynar_get_ptr(path_src, index_src);
2624 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
2627 int max_index_src = (path_src->used) - 1;
2628 int max_index_dst = (path_dst->used) - 1;
2630 int max_index = max(max_index_src, max_index_dst);
2633 route_extended_t e_route_bypass = NULL;
2635 for (max = 0; max <= max_index; max++) {
2636 for (i = 0; i < max; i++) {
2637 if (i <= max_index_src && max <= max_index_dst) {
2638 char *route_name = bprintf("%s#%s",
2639 (*(routing_component_t *)
2641 (path_src, i)))->name,
2642 (*(routing_component_t *)
2644 (path_dst, max)))->name);
2646 xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2647 xbt_free(route_name);
2651 if (max <= max_index_src && i <= max_index_dst) {
2652 char *route_name = bprintf("%s#%s",
2653 (*(routing_component_t *)
2655 (path_src, max)))->name,
2656 (*(routing_component_t *)
2658 (path_dst, i)))->name);
2660 xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2661 xbt_free(route_name);
2670 if (max <= max_index_src && max <= max_index_dst) {
2671 char *route_name = bprintf("%s#%s",
2672 (*(routing_component_t *)
2674 (path_src, max)))->name,
2675 (*(routing_component_t *)
2677 (path_dst, max)))->name);
2678 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2679 xbt_free(route_name);
2685 xbt_dynar_free(&path_src);
2686 xbt_dynar_free(&path_dst);
2688 route_extended_t new_e_route = NULL;
2690 if (e_route_bypass) {
2692 unsigned int cpt = 0;
2693 new_e_route = xbt_new0(s_route_extended_t, 1);
2694 new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
2695 new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
2696 new_e_route->generic_route.link_list =
2697 xbt_dynar_new(global_routing->size_of_link, NULL);
2698 xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
2699 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
2706 /* ************************************************************************** */
2707 /* ************************* GENERIC AUX FUNCTIONS ************************** */
2709 static route_extended_t
2710 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
2711 void *data, int order)
2715 route_extended_t e_route, new_e_route;
2718 xbt_dynar_t links = NULL, links_id = NULL;
2720 new_e_route = xbt_new0(s_route_extended_t, 1);
2721 new_e_route->generic_route.link_list =
2722 xbt_dynar_new(global_routing->size_of_link, NULL);
2723 new_e_route->src_gateway = NULL;
2724 new_e_route->dst_gateway = NULL;
2726 xbt_assert0(hierarchy == SURF_ROUTING_BASE
2727 || hierarchy == SURF_ROUTING_RECURSIVE,
2728 "the hierarchy type is not defined");
2730 if (hierarchy == SURF_ROUTING_BASE) {
2732 route = (route_t) data;
2733 links = route->link_list;
2735 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
2737 e_route = (route_extended_t) data;
2738 xbt_assert0(e_route->src_gateway
2739 && e_route->dst_gateway, "bad gateway, is null");
2740 links = e_route->generic_route.link_list;
2742 /* remeber not erase the gateway names */
2743 new_e_route->src_gateway = e_route->src_gateway;
2744 new_e_route->dst_gateway = e_route->dst_gateway;
2747 links_id = new_e_route->generic_route.link_list;
2749 xbt_dynar_foreach(links, cpt, link_name) {
2752 xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
2755 xbt_dynar_push(links_id, &link);
2757 xbt_dynar_unshift(links_id, &link);
2759 THROW1(mismatch_error, 0, "Link %s not found", link_name);
2765 static void generic_free_route(route_t route)
2768 xbt_dynar_free(&(route->link_list));
2773 static void generic_free_extended_route(route_extended_t e_route)
2776 xbt_dynar_free(&(e_route->generic_route.link_list));
2777 if (e_route->src_gateway)
2778 xbt_free(e_route->src_gateway);
2779 if (e_route->dst_gateway)
2780 xbt_free(e_route->dst_gateway);
2785 static routing_component_t generic_as_exist(routing_component_t find_from,
2786 routing_component_t to_find)
2788 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
2789 xbt_dict_cursor_t cursor = NULL;
2792 routing_component_t elem;
2793 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
2794 if (to_find == elem || generic_as_exist(elem, to_find)) {
2804 static routing_component_t
2805 generic_autonomous_system_exist(routing_component_t rc, char *element)
2807 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
2808 routing_component_t element_as, result, elem;
2809 xbt_dict_cursor_t cursor = NULL;
2811 element_as = ((network_element_info_t)
2812 xbt_dict_get_or_null
2813 (global_routing->where_network_elements,
2814 element))->rc_component;
2815 result = ((routing_component_t) - 1);
2816 if (element_as != rc)
2817 result = generic_as_exist(rc, element_as);
2821 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
2822 found = !strcmp(elem->name, element);
2832 static routing_component_t
2833 generic_processing_units_exist(routing_component_t rc, char *element)
2835 routing_component_t element_as;
2836 element_as = ((network_element_info_t)
2837 xbt_dict_get_or_null
2838 (global_routing->where_network_elements,
2839 element))->rc_component;
2840 if (element_as == rc)
2842 return generic_as_exist(rc, element_as);
2845 static void generic_src_dst_check(routing_component_t rc, const char *src,
2849 routing_component_t src_as = ((network_element_info_t)
2850 xbt_dict_get_or_null
2851 (global_routing->where_network_elements,
2852 src))->rc_component;
2853 routing_component_t dst_as = ((network_element_info_t)
2854 xbt_dict_get_or_null
2855 (global_routing->where_network_elements,
2856 dst))->rc_component;
2858 xbt_assert3(src_as != NULL && dst_as != NULL,
2859 "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
2860 src, dst, rc->name);
2861 xbt_assert4(src_as == dst_as,
2862 "The src(%s in %s) and dst(%s in %s) are in differents AS",
2863 src, src_as->name, dst, dst_as->name);
2864 xbt_assert2(rc == dst_as,
2865 "The routing component of src and dst is not the same as the network elements belong (%s==%s)",
2866 rc->name, dst_as->name);
2869 static void parse_Sconfig(void)
2872 DEBUG0("WARNING tag config not yet implemented.");
2875 static void routing_full_parse_Scluster(void)
2877 static int AX_ptr = 0;
2879 char *cluster_id = A_surfxml_cluster_id;
2880 char *cluster_prefix = A_surfxml_cluster_prefix;
2881 char *cluster_suffix = A_surfxml_cluster_suffix;
2882 char *cluster_radical = A_surfxml_cluster_radical;
2883 char *cluster_power = A_surfxml_cluster_power;
2884 char *cluster_bw = A_surfxml_cluster_bw;
2885 char *cluster_lat = A_surfxml_cluster_lat;
2886 char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
2887 char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
2888 char *host_id, *groups, *link_id;
2889 char *router_id, *link_router, *link_backbone, *route_src_dst;
2892 xbt_dynar_t radical_elements;
2893 xbt_dynar_t radical_ends;
2894 #ifndef HAVE_PCRE_LIB
2895 xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
2896 char *route_src, *route_dst;
2900 static unsigned int surfxml_buffer_stack_stack_ptr = 1;
2901 static unsigned int surfxml_buffer_stack_stack[1024];
2903 surfxml_buffer_stack_stack[0] = 0;
2905 surfxml_bufferstack_push(1);
2907 SURFXML_BUFFER_SET(AS_id, cluster_id);
2908 #ifdef HAVE_PCRE_LIB
2909 SURFXML_BUFFER_SET(AS_routing, "RuleBased");
2910 DEBUG1("<AS id=\"%s\"\trouting=\"RuleBased\">", cluster_id);
2912 SURFXML_BUFFER_SET(AS_routing, "Full");
2913 DEBUG1("<AS id=\"%s\"\trouting=\"Full\">", cluster_id);
2915 SURFXML_START_TAG(AS);
2917 radical_elements = xbt_str_split(cluster_radical, ",");
2918 xbt_dynar_foreach(radical_elements, iter, groups) {
2919 radical_ends = xbt_str_split(groups, "-");
2920 switch (xbt_dynar_length(radical_ends)) {
2922 surf_parse_get_int(&start,
2923 xbt_dynar_get_as(radical_ends, 0, char *));
2924 host_id = bprintf("%s%d%s", cluster_prefix, start, cluster_suffix);
2925 #ifndef HAVE_PCRE_LIB
2926 xbt_dynar_push_as(tab_elements_num, int, start);
2928 link_id = bprintf("%s_link_%d", cluster_id, start);
2930 DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
2931 SURFXML_BUFFER_SET(host_id, host_id);
2932 SURFXML_BUFFER_SET(host_power, cluster_power);
2933 SURFXML_BUFFER_SET(host_availability, "1.0");
2934 SURFXML_BUFFER_SET(host_availability_file, "");
2935 A_surfxml_host_state = A_surfxml_host_state_ON;
2936 SURFXML_BUFFER_SET(host_state_file, "");
2937 SURFXML_START_TAG(host);
2938 SURFXML_END_TAG(host);
2940 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,
2941 cluster_bw, cluster_lat);
2942 SURFXML_BUFFER_SET(link_id, link_id);
2943 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
2944 SURFXML_BUFFER_SET(link_latency, cluster_lat);
2945 SURFXML_BUFFER_SET(link_bandwidth_file, "");
2946 SURFXML_BUFFER_SET(link_latency_file, "");
2947 A_surfxml_link_state = A_surfxml_link_state_ON;
2948 SURFXML_BUFFER_SET(link_state_file, "");
2949 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2950 SURFXML_START_TAG(link);
2951 SURFXML_END_TAG(link);
2957 surf_parse_get_int(&start,
2958 xbt_dynar_get_as(radical_ends, 0, char *));
2959 surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
2960 DEBUG2("Create hosts and links from %d to %d", start, end);
2961 for (i = start; i <= end; i++) {
2962 host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
2963 #ifndef HAVE_PCRE_LIB
2964 xbt_dynar_push_as(tab_elements_num, int, i);
2966 link_id = bprintf("%s_link_%d", cluster_id, i);
2968 DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
2969 SURFXML_BUFFER_SET(host_id, host_id);
2970 SURFXML_BUFFER_SET(host_power, cluster_power);
2971 SURFXML_BUFFER_SET(host_availability, "1.0");
2972 SURFXML_BUFFER_SET(host_availability_file, "");
2973 A_surfxml_host_state = A_surfxml_host_state_ON;
2974 SURFXML_BUFFER_SET(host_state_file, "");
2975 SURFXML_START_TAG(host);
2976 SURFXML_END_TAG(host);
2978 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,
2979 cluster_bw, cluster_lat);
2980 SURFXML_BUFFER_SET(link_id, link_id);
2981 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
2982 SURFXML_BUFFER_SET(link_latency, cluster_lat);
2983 SURFXML_BUFFER_SET(link_bandwidth_file, "");
2984 SURFXML_BUFFER_SET(link_latency_file, "");
2985 A_surfxml_link_state = A_surfxml_link_state_ON;
2986 SURFXML_BUFFER_SET(link_state_file, "");
2987 A_surfxml_link_sharing_policy =
2988 A_surfxml_link_sharing_policy_SHARED;
2989 SURFXML_START_TAG(link);
2990 SURFXML_END_TAG(link);
2995 DEBUG0("Malformed radical");
2998 xbt_dynar_free(&radical_ends);
3003 bprintf("%s%s_router%s", cluster_prefix, cluster_id,
3005 link_router = bprintf("%s_link_%s_router", cluster_id, cluster_id);
3006 link_backbone = bprintf("%s_backbone", cluster_id);
3008 DEBUG1("<router id=\"%s\"/>", router_id);
3009 SURFXML_BUFFER_SET(router_id, router_id);;
3010 SURFXML_START_TAG(router);
3011 SURFXML_END_TAG(router);
3013 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_router,
3014 cluster_bw, cluster_lat);
3015 SURFXML_BUFFER_SET(link_id, link_router);
3016 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3017 SURFXML_BUFFER_SET(link_latency, cluster_lat);
3018 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3019 SURFXML_BUFFER_SET(link_latency_file, "");
3020 A_surfxml_link_state = A_surfxml_link_state_ON;
3021 SURFXML_BUFFER_SET(link_state_file, "");
3022 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3023 SURFXML_START_TAG(link);
3024 SURFXML_END_TAG(link);
3026 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_backbone,
3027 cluster_bb_bw, cluster_bb_lat);
3028 SURFXML_BUFFER_SET(link_id, link_backbone);
3029 SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
3030 SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
3031 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3032 SURFXML_BUFFER_SET(link_latency_file, "");
3033 A_surfxml_link_state = A_surfxml_link_state_ON;
3034 SURFXML_BUFFER_SET(link_state_file, "");
3035 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3036 SURFXML_START_TAG(link);
3037 SURFXML_END_TAG(link);
3039 char *new_suffix = bprintf("%s", "");
3041 radical_elements = xbt_str_split(cluster_suffix, ".");
3042 xbt_dynar_foreach(radical_elements, iter, groups) {
3043 if (strcmp(groups, "")) {
3044 new_suffix = bprintf("%s\\.%s", new_suffix, groups);
3047 route_src_dst = bprintf("%s(.*)%s", cluster_prefix, new_suffix);
3051 #ifdef HAVE_PCRE_LIB
3053 DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\">", route_src_dst, route_src_dst);
3054 SURFXML_BUFFER_SET(route_src, route_src_dst);
3055 SURFXML_BUFFER_SET(route_dst, route_src_dst);
3056 SURFXML_START_TAG(route);
3058 DEBUG1("<link_ctn\tid=\"%s_link_$1src\"/>", cluster_id);
3059 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1src", cluster_id));
3060 SURFXML_START_TAG(link_ctn);
3061 SURFXML_END_TAG(link_ctn);
3063 DEBUG1("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
3064 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
3065 SURFXML_START_TAG(link_ctn);
3066 SURFXML_END_TAG(link_ctn);
3068 DEBUG1("<link_ctn\tid=\"%s_link_$1dst\"/>", cluster_id);
3069 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1dst", cluster_id));
3070 SURFXML_START_TAG(link_ctn);
3071 SURFXML_END_TAG(link_ctn);
3074 SURFXML_END_TAG(route);
3076 for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
3077 for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
3078 if (i == xbt_dynar_length(tab_elements_num)) {
3079 route_src = router_id;
3082 bprintf("%s%d%s", cluster_prefix,
3083 xbt_dynar_get_as(tab_elements_num, i, int),
3087 if (j == xbt_dynar_length(tab_elements_num)) {
3088 route_dst = router_id;
3091 bprintf("%s%d%s", cluster_prefix,
3092 xbt_dynar_get_as(tab_elements_num, j, int),
3096 DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\">", route_src, route_dst);
3097 SURFXML_BUFFER_SET(route_src, route_src);
3098 SURFXML_BUFFER_SET(route_dst, route_dst);
3099 SURFXML_START_TAG(route);
3101 if (i == xbt_dynar_length(tab_elements_num)) {
3102 route_src = link_router;
3105 bprintf("%s_link_%d", cluster_id,
3106 xbt_dynar_get_as(tab_elements_num, i, int));
3109 if (j == xbt_dynar_length(tab_elements_num)) {
3110 route_dst = link_router;
3113 bprintf("%s_link_%d", cluster_id,
3114 xbt_dynar_get_as(tab_elements_num, j, int));
3117 DEBUG1("<link_ctn\tid=\"%s\"/>", route_src);
3118 SURFXML_BUFFER_SET(link_ctn_id, route_src);
3119 SURFXML_START_TAG(link_ctn);
3120 SURFXML_END_TAG(link_ctn);
3122 DEBUG1("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
3123 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
3124 SURFXML_START_TAG(link_ctn);
3125 SURFXML_END_TAG(link_ctn);
3127 DEBUG1("<link_ctn\tid=\"%s\"/>", route_dst);
3128 SURFXML_BUFFER_SET(link_ctn_id, route_dst);
3129 SURFXML_START_TAG(link_ctn);
3130 SURFXML_END_TAG(link_ctn);
3133 SURFXML_END_TAG(route);
3136 xbt_dynar_free(&tab_elements_num);
3140 SURFXML_END_TAG(AS);
3143 surfxml_bufferstack_pop(1);
3147 * New methods to init the routing model component from the lua script
3151 * calling parse_S_AS_lua with lua values
3153 void routing_AS_init(const char *AS_id, const char *AS_routing)
3155 parse_S_AS_lua((char *) AS_id, (char *) AS_routing);
3159 * calling parse_E_AS_lua to fisnish the creation of routing component
3161 void routing_AS_end(const char *AS_id)
3163 parse_E_AS_lua((char *) AS_id);
3167 * add a host to the network element list
3170 void routing_add_host(const char *host_id)
3172 parse_S_host_lua((char *) host_id);
3176 * Set a new link on the actual list of link for a route or ASroute
3178 void routing_add_link(const char *link_id)
3180 parse_E_link_c_ctn_new_elem_lua((char *) link_id);
3184 *Set the endpoints for a route
3186 void routing_set_route(const char *src_id, const char *dst_id)
3188 parse_S_route_new_and_endpoints_lua((char *) src_id, (char *) dst_id);
3192 * Store the route by calling parse_E_route_store_route
3194 void routing_store_route(void)
3196 parse_E_route_store_route();