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_parse_Scluster(void); /*cluster bypass */
59 static void routing_parse_Sconfig(void); /*config Tag */
60 static void routing_parse_Econfig(void); /*config Tag */
62 /* this lines are only for replace use like index in the model table */
67 SURF_MODEL_DIJKSTRACACHE,
75 /* must be finish with null and carefull if change de order */
76 struct s_model_type routing_models[] = { {"Full",
77 "Full routing data (fast, large memory requirements, fully expressive)",
83 "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
84 model_floyd_create, model_floyd_load, model_floyd_unload,
87 "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
88 model_dijkstra_create, model_dijkstra_both_load,
89 model_dijkstra_both_unload, model_dijkstra_both_end},
91 "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
92 model_dijkstracache_create, model_dijkstra_both_load,
93 model_dijkstra_both_unload, model_dijkstra_both_end},
94 {"none", "No routing (usable with Constant network only)",
95 model_none_create, model_none_load, model_none_unload, model_none_end},
97 {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create,
98 model_rulebased_load, model_rulebased_unload, model_rulebased_end},
100 {NULL, NULL, NULL, NULL, NULL, NULL}
103 /* ************************************************************************** */
104 /* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
106 static void generic_set_processing_unit(routing_component_t rc,
108 static void generic_set_autonomous_system(routing_component_t rc,
110 static void generic_set_route(routing_component_t rc, const char *src,
111 const char *dst, route_t route);
112 static void generic_set_ASroute(routing_component_t rc, const char *src,
113 const char *dst, route_extended_t e_route);
114 static void generic_set_bypassroute(routing_component_t rc,
115 const char *src, const char *dst,
116 route_extended_t e_route);
118 /* ************************************************************************** */
119 /* *************** GENERIC BUSINESS METHODS (declarations) ****************** */
121 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc);
122 static route_extended_t generic_get_bypassroute(routing_component_t rc,
126 /* ************************************************************************** */
127 /* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
129 static route_extended_t
130 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
131 void *data, int order);
132 static void generic_free_route(route_t route);
133 static void generic_free_extended_route(route_extended_t e_route);
134 static routing_component_t
135 generic_autonomous_system_exist(routing_component_t rc, char *element);
136 static routing_component_t
137 generic_processing_units_exist(routing_component_t rc, char *element);
138 static void generic_src_dst_check(routing_component_t rc, const char *src,
141 /* ************************************************************************** */
142 /* **************************** GLOBAL FUNCTIONS **************************** */
144 /* global parse functions */
145 static char *src = NULL; /* temporary store the source name of a route */
146 static char *dst = NULL; /* temporary store the destination name of a route */
147 static char *gw_src = NULL; /* temporary store the gateway source name of a route */
148 static char *gw_dst = NULL; /* temporary store the gateway destination name of a route */
149 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 if( A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_NONE)
311 parse_E_link_ctn_new_elem(A_surfxml_link_ctn_id);
312 if( A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_UP)
313 parse_E_link_ctn_new_elem(bprintf("%s_UP",A_surfxml_link_ctn_id));
314 if( A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_DOWN)
315 parse_E_link_ctn_new_elem(bprintf("%s_DOWN",A_surfxml_link_ctn_id));
319 * \brief Set a new link on the actual list of link for a route or ASroute from lua
321 static void parse_E_link_c_ctn_new_elem_lua(char *link_id)
323 parse_E_link_ctn_new_elem(link_id);
327 * \brief Store the route by calling the set_route function of the current routing component
329 static void parse_E_route_store_route(void)
331 route_t route = xbt_new0(s_route_t, 1);
332 route->link_list = link_list;
333 //xbt_assert1(generic_processing_units_exist(current_routing,src),"the \"%s\" processing units gateway does not exist",src);
334 //xbt_assert1(generic_processing_units_exist(current_routing,dst),"the \"%s\" processing units gateway does not exist",dst);
335 xbt_assert1(current_routing->set_route,
336 "no defined method \"set_route\" in \"%s\"",
337 current_routing->name);
338 (*(current_routing->set_route)) (current_routing, src, dst, route);
345 * \brief Store the ASroute by calling the set_ASroute function of the current routing component
347 static void parse_E_ASroute_store_route(void)
349 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
350 e_route->generic_route.link_list = link_list;
351 e_route->src_gateway = xbt_strdup(gw_src);
352 e_route->dst_gateway = xbt_strdup(gw_dst);
353 // xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
354 // xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
355 // xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
356 // xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
357 xbt_assert1(current_routing->set_ASroute,
358 "no defined method \"set_ASroute\" in \"%s\"",
359 current_routing->name);
360 (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
369 * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
371 static void parse_E_bypassRoute_store_route(void)
373 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
374 e_route->generic_route.link_list = link_list;
375 e_route->src_gateway = xbt_strdup(gw_src);
376 e_route->dst_gateway = xbt_strdup(gw_dst);
377 // xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
378 // xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
379 // xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
380 // xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
381 xbt_assert1(current_routing->set_bypassroute,
382 "no defined method \"set_bypassroute\" in \"%s\"",
383 current_routing->name);
384 (*(current_routing->set_bypassroute)) (current_routing, src, dst,
394 * \brief Make a new routing component
396 * make the new structure and
397 * set the parsing functions to allows parsing the part of the routing tree
399 static void parse_S_AS(char *AS_id, char *AS_routing)
401 routing_component_t new_routing;
402 model_type_t model = NULL;
403 char *wanted = AS_routing;
405 /* seach the routing model */
406 for (cpt = 0; routing_models[cpt].name; cpt++)
407 if (!strcmp(wanted, routing_models[cpt].name))
408 model = &routing_models[cpt];
409 /* if its not exist, error */
411 fprintf(stderr, "Routing model %s not found. Existing models:\n",
413 for (cpt = 0; routing_models[cpt].name; cpt++)
414 if (!strcmp(wanted, routing_models[cpt].name))
415 fprintf(stderr, " %s: %s\n", routing_models[cpt].name,
416 routing_models[cpt].desc);
420 /* make a new routing component */
421 new_routing = (routing_component_t) (*(model->create)) ();
422 new_routing->routing = model;
423 new_routing->hierarchy = SURF_ROUTING_NULL;
424 new_routing->name = xbt_strdup(AS_id);
425 new_routing->routing_sons = xbt_dict_new();
426 //INFO2("Routing %s for AS %s",A_surfxml_AS_routing,A_surfxml_AS_id);
428 if (current_routing == NULL && global_routing->root == NULL) {
430 /* it is the first one */
431 new_routing->routing_father = NULL;
432 global_routing->root = new_routing;
434 } else if (current_routing != NULL && global_routing->root != NULL) {
436 xbt_assert1(!xbt_dict_get_or_null
437 (current_routing->routing_sons, AS_id),
438 "The AS \"%s\" already exist", AS_id);
439 /* it is a part of the tree */
440 new_routing->routing_father = current_routing;
441 /* set the father behavior */
442 if (current_routing->hierarchy == SURF_ROUTING_NULL)
443 current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
444 /* add to the sons dictionary */
445 xbt_dict_set(current_routing->routing_sons, AS_id,
446 (void *) new_routing, NULL);
447 /* add to the father element list */
448 (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
449 /* unload the prev parse rules */
450 (*(current_routing->routing->unload)) ();
453 THROW0(arg_error, 0, "All defined components must be belong to a AS");
455 /* set the new parse rules */
456 (*(new_routing->routing->load)) ();
457 /* set the new current component of the tree */
458 current_routing = new_routing;
462 * Detect the routing model type of the routing component from XML platforms
464 static void parse_S_AS_XML(void)
466 parse_S_AS(A_surfxml_AS_id, A_surfxml_AS_routing);
470 * define the routing model type of routing component from lua script
472 static void parse_S_AS_lua(char *id, char *mode)
474 parse_S_AS(id, mode);
479 * \brief Finish the creation of a new routing component
481 * When you finish to read the routing component, other structures must be created.
482 * the "end" method allow to do that for any routing model type
484 static void parse_E_AS(char *AS_id)
487 if (current_routing == NULL) {
488 THROW1(arg_error, 0, "Close AS(%s), that never open", AS_id);
490 network_element_info_t info = NULL;
491 xbt_assert1(!xbt_dict_get_or_null
492 (global_routing->where_network_elements,
493 current_routing->name), "The AS \"%s\" already exist",
494 current_routing->name);
495 info = xbt_new0(s_network_element_info_t, 1);
496 info->rc_component = current_routing->routing_father;
497 info->rc_type = SURF_NETWORK_ELEMENT_AS;
498 xbt_dict_set(global_routing->where_network_elements,
499 current_routing->name, info, NULL);
500 (*(current_routing->routing->unload)) ();
501 (*(current_routing->routing->end)) ();
502 current_routing = current_routing->routing_father;
503 if (current_routing != NULL)
504 (*(current_routing->routing->load)) ();
509 * \brief Finish the creation of a new routing component from XML
511 static void parse_E_AS_XML(void)
513 parse_E_AS(A_surfxml_AS_id);
517 * \brief Finish the creation of a new routing component from lua
519 static void parse_E_AS_lua(char *id)
524 /* Aux Business methods */
527 * \brief Get the AS father and the first elements of the chain
529 * \param src the source host name
530 * \param dst the destination host name
532 * Get the common father of the to processing units, and the first different
533 * father in the chain
535 static xbt_dynar_t elements_father(const char *src, const char *dst)
538 xbt_assert0(src && dst, "bad parameters for \"elements_father\" method");
540 xbt_dynar_t result = xbt_dynar_new(sizeof(char *), NULL);
542 routing_component_t src_as, dst_as;
543 int index_src, index_dst, index_father_src, index_father_dst;
544 xbt_dynar_t path_src = NULL;
545 xbt_dynar_t path_dst = NULL;
546 routing_component_t current = NULL;
547 routing_component_t *current_src = NULL;
548 routing_component_t *current_dst = NULL;
549 routing_component_t *father = NULL;
551 /* (1) find the as where the src and dst are located */
552 src_as = ((network_element_info_t)
553 xbt_dict_get_or_null(global_routing->where_network_elements,
555 dst_as = ((network_element_info_t)
556 xbt_dict_get_or_null(global_routing->where_network_elements,
560 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
563 /* (2) find the path to the root routing component */
564 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
566 while (current != NULL) {
567 xbt_dynar_push(path_src, ¤t);
568 current = current->routing_father;
570 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
572 while (current != NULL) {
573 xbt_dynar_push(path_dst, ¤t);
574 current = current->routing_father;
577 /* (3) find the common father */
578 index_src = (path_src->used) - 1;
579 index_dst = (path_dst->used) - 1;
580 current_src = xbt_dynar_get_ptr(path_src, index_src);
581 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
582 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
583 current_src = xbt_dynar_get_ptr(path_src, index_src);
584 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
590 current_src = xbt_dynar_get_ptr(path_src, index_src);
591 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
593 /* (4) they are not in the same routing component, make the path */
594 index_father_src = index_src + 1;
595 index_father_dst = index_dst + 1;
597 if (*current_src == *current_dst)
598 father = current_src;
600 father = xbt_dynar_get_ptr(path_src, index_father_src);
602 /* (5) result generation */
603 xbt_dynar_push(result, father); /* first same the father of src and dst */
604 xbt_dynar_push(result, current_src); /* second the first different father of src */
605 xbt_dynar_push(result, current_dst); /* three the first different father of dst */
607 xbt_dynar_free(&path_src);
608 xbt_dynar_free(&path_dst);
613 /* Global Business methods */
616 * \brief Recursive function for get_route
618 * \param src the source host name
619 * \param dst the destination host name
621 * This fuction is call by "get_route". It allow to walk through the
622 * routing components tree.
624 static route_extended_t _get_route(const char *src, const char *dst)
628 unsigned int cpt = 0;
630 DEBUG2("Solve route \"%s\" to \"%s\"", src, dst);
632 xbt_assert0(src && dst, "bad parameters for \"_get_route\" method");
634 route_extended_t e_route, e_route_cnt, e_route_src = NULL, e_route_dst =
637 xbt_dynar_t elem_father_list = elements_father(src, dst);
639 routing_component_t common_father =
640 xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
641 routing_component_t src_father =
642 xbt_dynar_get_as(elem_father_list, 1, routing_component_t);
643 routing_component_t dst_father =
644 xbt_dynar_get_as(elem_father_list, 2, routing_component_t);
646 e_route = xbt_new0(s_route_extended_t, 1);
647 e_route->src_gateway = NULL;
648 e_route->dst_gateway = NULL;
649 e_route->generic_route.link_list =
650 xbt_dynar_new(global_routing->size_of_link, NULL);
652 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
654 if (strcmp(src, dst)) {
656 (*(common_father->get_route)) (common_father, src, dst);
657 xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"", src,
659 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
660 xbt_dynar_push(e_route->generic_route.link_list, &link);
662 generic_free_extended_route(e_route_cnt);
665 } else { /* SURF_ROUTING_RECURSIVE */
667 route_extended_t e_route_bypass = NULL;
669 if (common_father->get_bypass_route)
671 (*(common_father->get_bypass_route)) (common_father, src, dst);
674 e_route_cnt = e_route_bypass;
677 (*(common_father->get_route)) (common_father, src_father->name,
680 xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"",
681 src_father->name, dst_father->name);
683 xbt_assert2((e_route_cnt->src_gateway == NULL) ==
684 (e_route_cnt->dst_gateway == NULL),
685 "bad gateway for route between \"%s\" and \"%s\"", src,
688 if (src != e_route_cnt->src_gateway) {
689 e_route_src = _get_route(src, e_route_cnt->src_gateway);
690 xbt_assert2(e_route_src, "no route between \"%s\" and \"%s\"", src,
691 e_route_cnt->src_gateway);
692 xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
693 xbt_dynar_push(e_route->generic_route.link_list, &link);
697 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
698 xbt_dynar_push(e_route->generic_route.link_list, &link);
701 if (e_route_cnt->dst_gateway != dst) {
702 e_route_dst = _get_route(e_route_cnt->dst_gateway, dst);
703 xbt_assert2(e_route_dst, "no route between \"%s\" and \"%s\"",
704 e_route_cnt->dst_gateway, dst);
705 xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
706 xbt_dynar_push(e_route->generic_route.link_list, &link);
710 e_route->src_gateway = xbt_strdup(e_route_cnt->src_gateway);
711 e_route->dst_gateway = xbt_strdup(e_route_cnt->dst_gateway);
713 generic_free_extended_route(e_route_src);
714 generic_free_extended_route(e_route_cnt);
715 generic_free_extended_route(e_route_dst);
718 xbt_dynar_free(&elem_father_list);
724 * \brief Generic method: find a route between hosts
726 * \param src the source host name
727 * \param dst the destination host name
729 * walk through the routing components tree and find a route between hosts
730 * by calling the differents "get_route" functions in each routing component
732 static xbt_dynar_t get_route(const char *src, const char *dst)
735 route_extended_t e_route;
736 xbt_dynar_t elem_father_list = elements_father(src, dst);
737 routing_component_t common_father =
738 xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
740 if (strcmp(src, dst))
741 e_route = _get_route(src, dst);
743 e_route = (*(common_father->get_route)) (common_father, src, dst);
745 xbt_assert2(e_route, "no route between \"%s\" and \"%s\"", src, dst);
747 if (global_routing->last_route)
748 xbt_dynar_free(&(global_routing->last_route));
749 global_routing->last_route = e_route->generic_route.link_list;
751 if (e_route->src_gateway)
752 xbt_free(e_route->src_gateway);
753 if (e_route->dst_gateway)
754 xbt_free(e_route->dst_gateway);
757 xbt_dynar_free(&elem_father_list);
759 if (xbt_dynar_length(global_routing->last_route) == 0)
762 return global_routing->last_route;
766 * \brief Recursive function for finalize
768 * \param rc the source host name
770 * This fuction is call by "finalize". It allow to finalize the
771 * AS or routing components. It delete all the structures.
773 static void _finalize(routing_component_t rc)
776 xbt_dict_cursor_t cursor = NULL;
778 routing_component_t elem;
779 xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
782 xbt_dict_t tmp_sons = rc->routing_sons;
783 char *tmp_name = rc->name;
784 xbt_dict_free(&tmp_sons);
786 xbt_assert1(rc->finalize, "no defined method \"finalize\" in \"%s\"",
787 current_routing->name);
788 (*(rc->finalize)) (rc);
793 * \brief Generic method: delete all the routing structures
795 * walk through the routing components tree and delete the structures
796 * by calling the differents "finalize" functions in each routing component
798 static void finalize(void)
800 /* delete recursibly all the tree */
801 _finalize(global_routing->root);
802 /* delete "where" dict */
803 xbt_dict_free(&(global_routing->where_network_elements));
804 /* delete last_route */
805 xbt_dynar_free(&(global_routing->last_route));
806 /* delete global routing structure */
807 xbt_free(global_routing);
810 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
812 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
814 //adding my one link routes
817 xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
819 xbt_dynar_foreach(onelink_mine, cpt, link) {
820 xbt_dynar_push(ret, &link);
825 xbt_dict_cursor_t cursor = NULL;
826 routing_component_t rc_child;
827 xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
828 xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
830 xbt_dynar_foreach(onelink_child, cpt, link) {
831 xbt_dynar_push(ret, &link);
838 static xbt_dynar_t get_onelink_routes(void)
840 return recursive_get_onelink_routes(global_routing->root);
843 static e_surf_network_element_type_t get_network_element_type(const char
846 network_element_info_t rc = NULL;
847 rc = xbt_dict_get(global_routing->where_network_elements, name);
852 * \brief Generic method: create the global routing schema
854 * Make a global routing structure and set all the parsing functions.
856 void routing_model_create(size_t size_of_links, void *loopback)
859 /* config the uniq global routing */
860 global_routing = xbt_new0(s_routing_global_t, 1);
861 global_routing->where_network_elements = xbt_dict_new();
862 global_routing->root = NULL;
863 global_routing->get_route = get_route;
864 global_routing->get_onelink_routes = get_onelink_routes;
865 global_routing->get_network_element_type = get_network_element_type;
866 global_routing->finalize = finalize;
867 global_routing->loopback = loopback;
868 global_routing->size_of_link = size_of_links;
869 global_routing->last_route = xbt_dynar_new(size_of_links, NULL);
871 /* no current routing at moment */
872 current_routing = NULL;
874 /* parse generic elements */
875 surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
876 surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router);
878 surfxml_add_callback(STag_surfxml_route_cb_list,
879 &parse_S_route_new_and_endpoints_XML);
880 surfxml_add_callback(STag_surfxml_ASroute_cb_list,
881 &parse_S_ASroute_new_and_endpoints);
882 surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
883 &parse_S_bypassRoute_new_and_endpoints);
885 surfxml_add_callback(ETag_surfxml_link_ctn_cb_list,
886 &parse_E_link_ctn_new_elem_XML);
888 surfxml_add_callback(ETag_surfxml_route_cb_list,
889 &parse_E_route_store_route);
890 surfxml_add_callback(ETag_surfxml_ASroute_cb_list,
891 &parse_E_ASroute_store_route);
892 surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
893 &parse_E_bypassRoute_store_route);
895 surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS_XML);
896 surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS_XML);
898 surfxml_add_callback(STag_surfxml_cluster_cb_list,
899 &routing_parse_Scluster);
901 surfxml_add_callback(STag_surfxml_config_cb_list,
902 &routing_parse_Sconfig);
903 surfxml_add_callback(ETag_surfxml_config_cb_list,
904 &routing_parse_Econfig);
907 /* ************************************************************************** */
908 /* *************************** FULL ROUTING ********************************* */
910 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
912 /* Routing model structure */
915 s_routing_component_t generic_routing;
916 xbt_dict_t parse_routes; /* store data during the parse process */
917 route_extended_t *routing_table;
918 } s_routing_component_full_t, *routing_component_full_t;
920 /* Business methods */
921 static xbt_dynar_t full_get_onelink_routes(routing_component_t rc)
923 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
925 routing_component_full_t routing = (routing_component_full_t) rc;
926 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
927 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
928 char *k1, *d1, *k2, *d2;
929 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
930 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
931 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k1);
932 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k2);
935 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
937 route_extended_t route = TO_ROUTE_FULL(*src_id, *dst_id);
939 if (xbt_dynar_length(route->generic_route.link_list) == 1) {
941 *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
943 onelink_t onelink = xbt_new0(s_onelink_t, 1);
944 onelink->link_ptr = link;
945 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
946 onelink->src = xbt_strdup(k1);
947 onelink->dst = xbt_strdup(k2);
948 } else if (routing->generic_routing.hierarchy ==
949 SURF_ROUTING_RECURSIVE) {
950 onelink->src = xbt_strdup(route->src_gateway);
951 onelink->dst = xbt_strdup(route->dst_gateway);
953 xbt_dynar_push(ret, &onelink);
961 static route_extended_t full_get_route(routing_component_t rc,
962 const char *src, const char *dst)
964 xbt_assert1(rc && src
966 "Invalid params for \"get_route\" function at AS \"%s\"",
970 routing_component_full_t routing = (routing_component_full_t) rc;
971 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
973 generic_src_dst_check(rc, src, dst);
974 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
975 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
978 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
981 route_extended_t e_route = NULL;
982 route_extended_t new_e_route = NULL;
984 unsigned int cpt = 0;
986 e_route = TO_ROUTE_FULL(*src_id, *dst_id);
989 new_e_route = xbt_new0(s_route_extended_t, 1);
990 new_e_route->src_gateway = xbt_strdup(e_route->src_gateway);
991 new_e_route->dst_gateway = xbt_strdup(e_route->dst_gateway);
992 new_e_route->generic_route.link_list =
993 xbt_dynar_new(global_routing->size_of_link, NULL);
994 xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
995 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
1001 static void full_finalize(routing_component_t rc)
1003 routing_component_full_t routing = (routing_component_full_t) rc;
1004 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1007 /* Delete routing table */
1008 for (i = 0; i < table_size; i++)
1009 for (j = 0; j < table_size; j++)
1010 generic_free_extended_route(TO_ROUTE_FULL(i, j));
1011 xbt_free(routing->routing_table);
1012 /* Delete bypass dict */
1013 xbt_dict_free(&rc->bypassRoutes);
1014 /* Delete index dict */
1015 xbt_dict_free(&rc->to_index);
1016 /* Delete structure */
1021 /* Creation routing model functions */
1023 static void *model_full_create(void)
1025 routing_component_full_t new_component =
1026 xbt_new0(s_routing_component_full_t, 1);
1027 new_component->generic_routing.set_processing_unit =
1028 generic_set_processing_unit;
1029 new_component->generic_routing.set_autonomous_system =
1030 generic_set_autonomous_system;
1031 new_component->generic_routing.set_route = generic_set_route;
1032 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1033 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1034 new_component->generic_routing.get_route = full_get_route;
1035 new_component->generic_routing.get_onelink_routes =
1036 full_get_onelink_routes;
1037 new_component->generic_routing.get_bypass_route =
1038 generic_get_bypassroute;
1039 new_component->generic_routing.finalize = full_finalize;
1040 new_component->generic_routing.to_index = xbt_dict_new();
1041 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1042 new_component->generic_routing.parse_routes = xbt_dict_new();
1043 return new_component;
1046 static void model_full_load(void)
1048 /* use "surfxml_add_callback" to add a parse function call */
1051 static void model_full_unload(void)
1053 /* use "surfxml_del_callback" to remove a parse function call */
1056 static void model_full_end(void)
1060 const char *sep = "#";
1064 route_extended_t e_route;
1067 xbt_dict_cursor_t cursor = NULL;
1068 xbt_dynar_t keys = NULL;
1070 /* set utils vars */
1071 routing_component_full_t routing =
1072 ((routing_component_full_t) current_routing);
1073 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1075 /* Create the routing table */
1076 routing->routing_table =
1077 xbt_new0(route_extended_t, table_size * table_size);
1079 /* Put the routes in position */
1080 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1081 keys = xbt_str_split_str(key, sep);
1082 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1083 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1084 TO_ROUTE_FULL(src_id, dst_id) =
1085 generic_new_extended_route(current_routing->hierarchy, data, 1);
1086 xbt_dynar_free(&keys);
1089 /* delete the parse table */
1090 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1091 route = (route_t) data;
1092 xbt_dynar_free(&(route->link_list));
1096 /* delete parse dict */
1097 xbt_dict_free(&(routing->generic_routing.parse_routes));
1099 /* Add the loopback if needed */
1100 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1101 for (i = 0; i < table_size; i++) {
1102 e_route = TO_ROUTE_FULL(i, i);
1104 e_route = xbt_new0(s_route_extended_t, 1);
1105 e_route->src_gateway = NULL;
1106 e_route->dst_gateway = NULL;
1107 e_route->generic_route.link_list =
1108 xbt_dynar_new(global_routing->size_of_link, NULL);
1109 xbt_dynar_push(e_route->generic_route.link_list,
1110 &global_routing->loopback);
1111 TO_ROUTE_FULL(i, i) = e_route;
1116 /* Shrink the dynar routes (save unused slots) */
1117 for (i = 0; i < table_size; i++)
1118 for (j = 0; j < table_size; j++)
1119 if (TO_ROUTE_FULL(i, j))
1120 xbt_dynar_shrink(TO_ROUTE_FULL(i, j)->generic_route.link_list, 0);
1123 /* ************************************************************************** */
1124 /* *************************** FLOYD ROUTING ******************************** */
1126 #define TO_FLOYD_COST(i,j) cost_table[(i)+(j)*table_size]
1127 #define TO_FLOYD_PRED(i,j) (routing->predecessor_table)[(i)+(j)*table_size]
1128 #define TO_FLOYD_LINK(i,j) (routing->link_table)[(i)+(j)*table_size]
1130 /* Routing model structure */
1133 s_routing_component_t generic_routing;
1134 /* vars for calculate the floyd algorith. */
1135 int *predecessor_table;
1136 route_extended_t *link_table; /* char* -> int* */
1137 } s_routing_component_floyd_t, *routing_component_floyd_t;
1139 static route_extended_t floyd_get_route(routing_component_t rc,
1140 const char *src, const char *dst);
1142 /* Business methods */
1143 static xbt_dynar_t floyd_get_onelink_routes(routing_component_t rc)
1145 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
1147 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1148 //size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1149 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
1150 char *k1, *d1, *k2, *d2;
1151 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
1152 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
1153 route_extended_t route = floyd_get_route(rc, k1, k2);
1155 if (xbt_dynar_length(route->generic_route.link_list) == 1) {
1157 *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
1159 onelink_t onelink = xbt_new0(s_onelink_t, 1);
1160 onelink->link_ptr = link;
1161 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
1162 onelink->src = xbt_strdup(k1);
1163 onelink->dst = xbt_strdup(k2);
1164 } else if (routing->generic_routing.hierarchy ==
1165 SURF_ROUTING_RECURSIVE) {
1166 onelink->src = xbt_strdup(route->src_gateway);
1167 onelink->dst = xbt_strdup(route->dst_gateway);
1169 xbt_dynar_push(ret, &onelink);
1177 static route_extended_t floyd_get_route(routing_component_t rc,
1178 const char *src, const char *dst)
1180 xbt_assert1(rc && src
1182 "Invalid params for \"get_route\" function at AS \"%s\"",
1185 /* set utils vars */
1186 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1187 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1189 generic_src_dst_check(rc, src, dst);
1190 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1191 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1194 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
1197 /* create a result route */
1198 route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1199 new_e_route->generic_route.link_list =
1200 xbt_dynar_new(global_routing->size_of_link, NULL);
1201 new_e_route->src_gateway = NULL;
1202 new_e_route->dst_gateway = NULL;
1207 char *gw_src = NULL, *gw_dst =
1208 NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
1215 pred = TO_FLOYD_PRED(*src_id, pred);
1216 if (pred == -1) /* if no pred in route -> no route to host */
1218 xbt_assert2(TO_FLOYD_LINK(pred, prev_pred),
1219 "Invalid link for the route between \"%s\" or \"%s\"", src,
1222 prev_gw_src = gw_src;
1223 prev_gw_dst = gw_dst;
1225 route_extended_t e_route = TO_FLOYD_LINK(pred, prev_pred);
1226 gw_src = e_route->src_gateway;
1227 gw_dst = e_route->dst_gateway;
1232 if (rc->hierarchy == SURF_ROUTING_RECURSIVE && !first
1233 && strcmp(gw_dst, prev_gw_src)) {
1234 xbt_dynar_t e_route_as_to_as =
1235 (*(global_routing->get_route)) (gw_dst, prev_gw_src);
1236 xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
1237 gw_dst, prev_gw_src);
1238 links = e_route_as_to_as;
1240 xbt_dynar_foreach(links, cpt, link) {
1241 xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
1247 links = e_route->generic_route.link_list;
1248 xbt_dynar_foreach(links, cpt, link) {
1249 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1253 } while (pred != *src_id);
1254 xbt_assert4(pred != -1, "no route from host %d to %d (\"%s\" to \"%s\")",
1255 *src_id, *dst_id, src, dst);
1257 if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1258 new_e_route->src_gateway = xbt_strdup(gw_src);
1259 new_e_route->dst_gateway = xbt_strdup(first_gw);
1265 static void floyd_finalize(routing_component_t rc)
1267 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1271 table_size = xbt_dict_length(routing->generic_routing.to_index);
1272 /* Delete link_table */
1273 for (i = 0; i < table_size; i++)
1274 for (j = 0; j < table_size; j++)
1275 generic_free_extended_route(TO_FLOYD_LINK(i, j));
1276 xbt_free(routing->link_table);
1277 /* Delete bypass dict */
1278 xbt_dict_free(&routing->generic_routing.bypassRoutes);
1279 /* Delete index dict */
1280 xbt_dict_free(&(routing->generic_routing.to_index));
1281 /* Delete dictionary index dict, predecessor and links table */
1282 xbt_free(routing->predecessor_table);
1283 /* Delete structure */
1288 static void *model_floyd_create(void)
1290 routing_component_floyd_t new_component =
1291 xbt_new0(s_routing_component_floyd_t, 1);
1292 new_component->generic_routing.set_processing_unit =
1293 generic_set_processing_unit;
1294 new_component->generic_routing.set_autonomous_system =
1295 generic_set_autonomous_system;
1296 new_component->generic_routing.set_route = generic_set_route;
1297 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1298 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1299 new_component->generic_routing.get_route = floyd_get_route;
1300 new_component->generic_routing.get_onelink_routes =
1301 floyd_get_onelink_routes;
1302 new_component->generic_routing.get_bypass_route =
1303 generic_get_bypassroute;
1304 new_component->generic_routing.finalize = floyd_finalize;
1305 new_component->generic_routing.to_index = xbt_dict_new();
1306 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1307 new_component->generic_routing.parse_routes = xbt_dict_new();
1308 return new_component;
1311 static void model_floyd_load(void)
1313 /* use "surfxml_add_callback" to add a parse function call */
1316 static void model_floyd_unload(void)
1318 /* use "surfxml_del_callback" to remove a parse function call */
1321 static void model_floyd_end(void)
1324 routing_component_floyd_t routing =
1325 ((routing_component_floyd_t) current_routing);
1326 xbt_dict_cursor_t cursor = NULL;
1328 char *key, *data, *end;
1329 const char *sep = "#";
1332 unsigned int i, j, a, b, c;
1334 /* set the size of inicial table */
1335 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1337 /* Create Cost, Predecessor and Link tables */
1338 cost_table = xbt_new0(double, table_size * table_size); /* link cost from host to host */
1339 routing->predecessor_table = xbt_new0(int, table_size * table_size); /* predecessor host numbers */
1340 routing->link_table = xbt_new0(route_extended_t, table_size * table_size); /* actual link between src and dst */
1342 /* Initialize costs and predecessors */
1343 for (i = 0; i < table_size; i++)
1344 for (j = 0; j < table_size; j++) {
1345 TO_FLOYD_COST(i, j) = DBL_MAX;
1346 TO_FLOYD_PRED(i, j) = -1;
1347 TO_FLOYD_LINK(i, j) = NULL; /* fixed, missing in the previous version */
1350 /* Put the routes in position */
1351 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1352 keys = xbt_str_split_str(key, sep);
1353 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1354 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1355 TO_FLOYD_LINK(src_id, dst_id) =
1356 generic_new_extended_route(current_routing->hierarchy, data, 0);
1357 TO_FLOYD_PRED(src_id, dst_id) = src_id;
1359 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 */
1360 xbt_dynar_free(&keys);
1363 /* Add the loopback if needed */
1364 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1365 for (i = 0; i < table_size; i++) {
1366 route_extended_t e_route = TO_FLOYD_LINK(i, i);
1368 e_route = xbt_new0(s_route_extended_t, 1);
1369 e_route->src_gateway = NULL;
1370 e_route->dst_gateway = NULL;
1371 e_route->generic_route.link_list =
1372 xbt_dynar_new(global_routing->size_of_link, NULL);
1373 xbt_dynar_push(e_route->generic_route.link_list,
1374 &global_routing->loopback);
1375 TO_FLOYD_LINK(i, i) = e_route;
1376 TO_FLOYD_PRED(i, i) = i;
1377 TO_FLOYD_COST(i, i) = 1;
1381 /* Calculate path costs */
1382 for (c = 0; c < table_size; c++) {
1383 for (a = 0; a < table_size; a++) {
1384 for (b = 0; b < table_size; b++) {
1385 if (TO_FLOYD_COST(a, c) < DBL_MAX && TO_FLOYD_COST(c, b) < DBL_MAX) {
1386 if (TO_FLOYD_COST(a, b) == DBL_MAX ||
1387 (TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b) <
1388 TO_FLOYD_COST(a, b))) {
1389 TO_FLOYD_COST(a, b) =
1390 TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b);
1391 TO_FLOYD_PRED(a, b) = TO_FLOYD_PRED(c, b);
1398 /* delete the parse table */
1399 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1400 route_t route = (route_t) data;
1401 xbt_dynar_free(&(route->link_list));
1405 /* delete parse dict */
1406 xbt_dict_free(&(routing->generic_routing.parse_routes));
1409 xbt_free(cost_table);
1412 /* ************************************************************************** */
1413 /* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
1416 s_routing_component_t generic_routing;
1417 xbt_graph_t route_graph; /* xbt_graph */
1418 xbt_dict_t graph_node_map; /* map */
1419 xbt_dict_t route_cache; /* use in cache mode */
1421 } s_routing_component_dijkstra_t, *routing_component_dijkstra_t;
1424 typedef struct graph_node_data {
1426 int graph_id; /* used for caching internal graph id's */
1427 } s_graph_node_data_t, *graph_node_data_t;
1429 typedef struct graph_node_map_element {
1431 } s_graph_node_map_element_t, *graph_node_map_element_t;
1433 typedef struct route_cache_element {
1436 } s_route_cache_element_t, *route_cache_element_t;
1438 /* Free functions */
1440 static void route_cache_elem_free(void *e)
1442 route_cache_element_t elm = (route_cache_element_t) e;
1444 xbt_free(elm->pred_arr);
1449 static void graph_node_map_elem_free(void *e)
1451 graph_node_map_element_t elm = (graph_node_map_element_t) e;
1457 static void graph_edge_data_free(void *e)
1459 route_extended_t e_route = (route_extended_t) e;
1461 xbt_dynar_free(&(e_route->generic_route.link_list));
1462 if (e_route->src_gateway)
1463 xbt_free(e_route->src_gateway);
1464 if (e_route->dst_gateway)
1465 xbt_free(e_route->dst_gateway);
1470 /* Utility functions */
1472 static xbt_node_t route_graph_new_node(routing_component_dijkstra_t rc,
1473 int id, int graph_id)
1475 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1476 xbt_node_t node = NULL;
1477 graph_node_data_t data = NULL;
1478 graph_node_map_element_t elm = NULL;
1480 data = xbt_new0(struct graph_node_data, 1);
1482 data->graph_id = graph_id;
1483 node = xbt_graph_new_node(routing->route_graph, data);
1485 elm = xbt_new0(struct graph_node_map_element, 1);
1487 xbt_dict_set_ext(routing->graph_node_map, (char *) (&id), sizeof(int),
1488 (xbt_set_elm_t) elm, &graph_node_map_elem_free);
1493 static graph_node_map_element_t
1494 graph_node_map_search(routing_component_dijkstra_t rc, int id)
1496 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1497 graph_node_map_element_t elm = (graph_node_map_element_t)
1498 xbt_dict_get_or_null_ext(routing->graph_node_map,
1506 static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id,
1507 int dst_id, route_extended_t e_route)
1509 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1511 xbt_node_t src = NULL;
1512 xbt_node_t dst = NULL;
1513 graph_node_map_element_t src_elm = (graph_node_map_element_t)
1514 xbt_dict_get_or_null_ext(routing->graph_node_map,
1517 graph_node_map_element_t dst_elm = (graph_node_map_element_t)
1518 xbt_dict_get_or_null_ext(routing->graph_node_map,
1523 src = src_elm->node;
1526 dst = dst_elm->node;
1528 /* add nodes if they don't exist in the graph */
1529 if (src_id == dst_id && src == NULL && dst == NULL) {
1530 src = route_graph_new_node(rc, src_id, -1);
1534 src = route_graph_new_node(rc, src_id, -1);
1537 dst = route_graph_new_node(rc, dst_id, -1);
1541 /* add link as edge to graph */
1542 xbt_graph_new_edge(routing->route_graph, src, dst, e_route);
1545 static void add_loopback_dijkstra(routing_component_dijkstra_t rc)
1547 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1549 xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1551 xbt_node_t node = NULL;
1552 unsigned int cursor2;
1553 xbt_dynar_foreach(nodes, cursor2, node) {
1554 xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node);
1555 xbt_edge_t edge = NULL;
1556 unsigned int cursor;
1559 xbt_dynar_foreach(out_edges, cursor, edge) {
1560 xbt_node_t other_node = xbt_graph_edge_get_target(edge);
1561 if (other_node == node) {
1568 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
1569 e_route->src_gateway = NULL;
1570 e_route->dst_gateway = NULL;
1571 e_route->generic_route.link_list =
1572 xbt_dynar_new(global_routing->size_of_link, NULL);
1573 xbt_dynar_push(e_route->generic_route.link_list,
1574 &global_routing->loopback);
1575 xbt_graph_new_edge(routing->route_graph, node, node, e_route);
1580 /* Business methods */
1581 static xbt_dynar_t dijkstra_get_onelink_routes(routing_component_t rc)
1583 xbt_die("\"dijkstra_get_onelink_routes\" function not implemented yet");
1586 static route_extended_t dijkstra_get_route(routing_component_t rc,
1590 xbt_assert1(rc && src
1592 "Invalid params for \"get_route\" function at AS \"%s\"",
1595 /* set utils vars */
1596 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1598 generic_src_dst_check(rc, src, dst);
1599 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1600 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1603 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
1606 /* create a result route */
1607 route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1608 new_e_route->generic_route.link_list =
1609 xbt_dynar_new(global_routing->size_of_link, NULL);
1610 new_e_route->src_gateway = NULL;
1611 new_e_route->dst_gateway = NULL;
1613 int *pred_arr = NULL;
1614 int src_node_id = 0;
1615 int dst_node_id = 0;
1618 route_extended_t e_route;
1622 xbt_dynar_t links = NULL;
1623 route_cache_element_t elm = NULL;
1624 xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1626 /* Use the graph_node id mapping set to quickly find the nodes */
1627 graph_node_map_element_t src_elm =
1628 graph_node_map_search(routing, *src_id);
1629 graph_node_map_element_t dst_elm =
1630 graph_node_map_search(routing, *dst_id);
1631 xbt_assert2(src_elm != NULL
1632 && dst_elm != NULL, "src %d or dst %d does not exist",
1634 src_node_id = ((graph_node_data_t)
1635 xbt_graph_node_get_data(src_elm->node))->graph_id;
1636 dst_node_id = ((graph_node_data_t)
1637 xbt_graph_node_get_data(dst_elm->node))->graph_id;
1639 /* if the src and dst are the same *//* fixed, missing in the previous version */
1640 if (src_node_id == dst_node_id) {
1642 xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_node_id, xbt_node_t);
1643 xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_node_id, xbt_node_t);
1645 xbt_graph_get_edge(routing->route_graph, node_s_v, node_e_v);
1647 xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
1650 e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
1652 links = e_route->generic_route.link_list;
1653 xbt_dynar_foreach(links, cpt, link) {
1654 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1660 if (routing->cached) {
1661 /*check if there is a cached predecessor list avail */
1662 elm = (route_cache_element_t)
1663 xbt_dict_get_or_null_ext(routing->route_cache, (char *) (&src_id),
1667 if (elm) { /* cached mode and cache hit */
1668 pred_arr = elm->pred_arr;
1669 } else { /* not cached mode or cache miss */
1670 double *cost_arr = NULL;
1671 xbt_heap_t pqueue = NULL;
1674 int nr_nodes = xbt_dynar_length(nodes);
1675 cost_arr = xbt_new0(double, nr_nodes); /* link cost from src to other hosts */
1676 pred_arr = xbt_new0(int, nr_nodes); /* predecessors in path from src */
1677 pqueue = xbt_heap_new(nr_nodes, xbt_free);
1680 cost_arr[src_node_id] = 0.0;
1682 for (i = 0; i < nr_nodes; i++) {
1683 if (i != src_node_id) {
1684 cost_arr[i] = DBL_MAX;
1689 /* initialize priority queue */
1690 nodeid = xbt_new0(int, 1);
1692 xbt_heap_push(pqueue, nodeid, cost_arr[i]);
1696 /* apply dijkstra using the indexes from the graph's node array */
1697 while (xbt_heap_size(pqueue) > 0) {
1698 int *v_id = xbt_heap_pop(pqueue);
1699 xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t);
1700 xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node);
1701 xbt_edge_t edge = NULL;
1702 unsigned int cursor;
1704 xbt_dynar_foreach(out_edges, cursor, edge) {
1705 xbt_node_t u_node = xbt_graph_edge_get_target(edge);
1706 graph_node_data_t data = xbt_graph_node_get_data(u_node);
1707 int u_id = data->graph_id;
1708 route_extended_t tmp_e_route =
1709 (route_extended_t) xbt_graph_edge_get_data(edge);
1710 int cost_v_u = (tmp_e_route->generic_route.link_list)->used; /* count of links, old model assume 1 */
1712 if (cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
1713 pred_arr[u_id] = *v_id;
1714 cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
1715 nodeid = xbt_new0(int, 1);
1717 xbt_heap_push(pqueue, nodeid, cost_arr[u_id]);
1721 /* free item popped from pqueue */
1726 xbt_heap_free(pqueue);
1729 /* compose route path with links */
1730 char *gw_src = NULL, *gw_dst =
1731 NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
1733 for (v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
1734 xbt_node_t node_pred_v =
1735 xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
1736 xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t);
1738 xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
1740 xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
1743 prev_gw_src = gw_src;
1744 prev_gw_dst = gw_dst;
1746 e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
1747 gw_src = e_route->src_gateway;
1748 gw_dst = e_route->dst_gateway;
1750 if (v == dst_node_id)
1753 if (rc->hierarchy == SURF_ROUTING_RECURSIVE && v != dst_node_id
1754 && strcmp(gw_dst, prev_gw_src)) {
1755 xbt_dynar_t e_route_as_to_as =
1756 (*(global_routing->get_route)) (gw_dst, prev_gw_src);
1757 xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
1758 gw_dst, prev_gw_src);
1759 links = e_route_as_to_as;
1761 xbt_dynar_foreach(links, cpt, link) {
1762 xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
1768 links = e_route->generic_route.link_list;
1769 xbt_dynar_foreach(links, cpt, link) {
1770 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1775 if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1776 new_e_route->src_gateway = xbt_strdup(gw_src);
1777 new_e_route->dst_gateway = xbt_strdup(first_gw);
1780 if (routing->cached && elm == NULL) {
1781 /* add to predecessor list of the current src-host to cache */
1782 elm = xbt_new0(struct route_cache_element, 1);
1783 elm->pred_arr = pred_arr;
1785 xbt_dict_set_ext(routing->route_cache, (char *) (&src_id), sizeof(int),
1786 (xbt_set_elm_t) elm, &route_cache_elem_free);
1789 if (!routing->cached)
1795 static void dijkstra_finalize(routing_component_t rc)
1797 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1800 xbt_graph_free_graph(routing->route_graph, &xbt_free,
1801 &graph_edge_data_free, &xbt_free);
1802 xbt_dict_free(&routing->graph_node_map);
1803 if (routing->cached)
1804 xbt_dict_free(&routing->route_cache);
1805 /* Delete bypass dict */
1806 xbt_dict_free(&routing->generic_routing.bypassRoutes);
1807 /* Delete index dict */
1808 xbt_dict_free(&(routing->generic_routing.to_index));
1809 /* Delete structure */
1814 /* Creation routing model functions */
1816 static void *model_dijkstra_both_create(int cached)
1818 routing_component_dijkstra_t new_component =
1819 xbt_new0(s_routing_component_dijkstra_t, 1);
1820 new_component->generic_routing.set_processing_unit =
1821 generic_set_processing_unit;
1822 new_component->generic_routing.set_autonomous_system =
1823 generic_set_autonomous_system;
1824 new_component->generic_routing.set_route = generic_set_route;
1825 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1826 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1827 new_component->generic_routing.get_route = dijkstra_get_route;
1828 new_component->generic_routing.get_onelink_routes =
1829 dijkstra_get_onelink_routes;
1830 new_component->generic_routing.get_bypass_route =
1831 generic_get_bypassroute;
1832 new_component->generic_routing.finalize = dijkstra_finalize;
1833 new_component->cached = cached;
1834 new_component->generic_routing.to_index = xbt_dict_new();
1835 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1836 new_component->generic_routing.parse_routes = xbt_dict_new();
1837 return new_component;
1840 static void *model_dijkstra_create(void)
1842 return model_dijkstra_both_create(0);
1845 static void *model_dijkstracache_create(void)
1847 return model_dijkstra_both_create(1);
1850 static void model_dijkstra_both_load(void)
1852 /* use "surfxml_add_callback" to add a parse function call */
1855 static void model_dijkstra_both_unload(void)
1857 /* use "surfxml_del_callback" to remove a parse function call */
1860 static void model_dijkstra_both_end(void)
1862 routing_component_dijkstra_t routing =
1863 (routing_component_dijkstra_t) current_routing;
1864 xbt_dict_cursor_t cursor = NULL;
1865 char *key, *data, *end;
1866 const char *sep = "#";
1868 xbt_node_t node = NULL;
1869 unsigned int cursor2;
1870 xbt_dynar_t nodes = NULL;
1874 /* Create the topology graph */
1875 routing->route_graph = xbt_graph_new_graph(1, NULL);
1876 routing->graph_node_map = xbt_dict_new();
1878 if (routing->cached)
1879 routing->route_cache = xbt_dict_new();
1881 /* Put the routes in position */
1882 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1883 keys = xbt_str_split_str(key, sep);
1884 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1885 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1886 route_extended_t e_route =
1887 generic_new_extended_route(current_routing->hierarchy, data, 0);
1888 route_new_dijkstra(routing, src_id, dst_id, e_route);
1889 xbt_dynar_free(&keys);
1892 /* delete the parse table */
1893 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1894 route = (route_t) data;
1895 xbt_dynar_free(&(route->link_list));
1899 /* delete parse dict */
1900 xbt_dict_free(&(routing->generic_routing.parse_routes));
1902 /* Add the loopback if needed */
1903 if (current_routing->hierarchy == SURF_ROUTING_BASE)
1904 add_loopback_dijkstra(routing);
1906 /* initialize graph indexes in nodes after graph has been built */
1907 nodes = xbt_graph_get_nodes(routing->route_graph);
1909 xbt_dynar_foreach(nodes, cursor2, node) {
1910 graph_node_data_t data = xbt_graph_node_get_data(node);
1911 data->graph_id = cursor2;
1916 #ifdef HAVE_PCRE_LIB
1917 /* ************************************************** */
1918 /* ************** RULE-BASED ROUTING **************** */
1920 /* Routing model structure */
1923 s_routing_component_t generic_routing;
1924 xbt_dict_t dict_processing_units;
1925 xbt_dict_t dict_autonomous_systems;
1926 xbt_dynar_t list_route;
1927 xbt_dynar_t list_ASroute;
1928 } s_routing_component_rulebased_t, *routing_component_rulebased_t;
1930 typedef struct s_rule_route s_rule_route_t, *rule_route_t;
1931 typedef struct s_rule_route_extended s_rule_route_extended_t,
1932 *rule_route_extended_t;
1934 struct s_rule_route {
1935 xbt_dynar_t re_str_link; // dynar of char*
1940 struct s_rule_route_extended {
1941 s_rule_route_t generic_rule_route;
1942 char *re_src_gateway;
1943 char *re_dst_gateway;
1946 static void rule_route_free(void *e)
1948 rule_route_t *elem = (rule_route_t *) (e);
1950 xbt_dynar_free(&(*elem)->re_str_link);
1951 pcre_free((*elem)->re_src);
1952 pcre_free((*elem)->re_dst);
1958 static void rule_route_extended_free(void *e)
1960 rule_route_extended_t *elem = (rule_route_extended_t *) e;
1962 xbt_dynar_free(&(*elem)->generic_rule_route.re_str_link);
1963 pcre_free((*elem)->generic_rule_route.re_src);
1964 pcre_free((*elem)->generic_rule_route.re_dst);
1965 xbt_free((*elem)->re_src_gateway);
1966 xbt_free((*elem)->re_dst_gateway);
1971 /* Parse routing model functions */
1973 static void model_rulebased_set_processing_unit(routing_component_t rc,
1976 routing_component_rulebased_t routing =
1977 (routing_component_rulebased_t) rc;
1978 xbt_dict_set(routing->dict_processing_units, name, (void *) (-1), NULL);
1981 static void model_rulebased_set_autonomous_system(routing_component_t rc,
1984 routing_component_rulebased_t routing =
1985 (routing_component_rulebased_t) rc;
1986 xbt_dict_set(routing->dict_autonomous_systems, name, (void *) (-1),
1990 static void model_rulebased_set_route(routing_component_t rc,
1991 const char *src, const char *dst,
1994 routing_component_rulebased_t routing =
1995 (routing_component_rulebased_t) rc;
1996 rule_route_t ruleroute = xbt_new0(s_rule_route_t, 1);
1999 ruleroute->re_src = pcre_compile(src, 0, &error, &erroffset, NULL);
2000 xbt_assert3(ruleroute->re_src,
2001 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2002 erroffset, src, error);
2003 ruleroute->re_dst = pcre_compile(dst, 0, &error, &erroffset, NULL);
2004 xbt_assert3(ruleroute->re_src,
2005 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2006 erroffset, dst, error);
2007 ruleroute->re_str_link = route->link_list;
2008 xbt_dynar_push(routing->list_route, &ruleroute);
2012 static void model_rulebased_set_ASroute(routing_component_t rc,
2013 const char *src, const char *dst,
2014 route_extended_t route)
2016 routing_component_rulebased_t routing =
2017 (routing_component_rulebased_t) rc;
2018 rule_route_extended_t ruleroute_e = xbt_new0(s_rule_route_extended_t, 1);
2021 ruleroute_e->generic_rule_route.re_src =
2022 pcre_compile(src, 0, &error, &erroffset, NULL);
2023 xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2024 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2025 erroffset, src, error);
2026 ruleroute_e->generic_rule_route.re_dst =
2027 pcre_compile(dst, 0, &error, &erroffset, NULL);
2028 xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2029 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2030 erroffset, dst, error);
2031 ruleroute_e->generic_rule_route.re_str_link =
2032 route->generic_route.link_list;
2033 ruleroute_e->re_src_gateway = route->src_gateway;
2034 ruleroute_e->re_dst_gateway = route->dst_gateway;
2035 xbt_dynar_push(routing->list_ASroute, &ruleroute_e);
2036 xbt_free(route->src_gateway);
2037 xbt_free(route->dst_gateway);
2041 static void model_rulebased_set_bypassroute(routing_component_t rc,
2044 route_extended_t e_route)
2046 xbt_die("bypass routing not supported for Route-Based model");
2049 #define BUFFER_SIZE 4096 /* result buffer size */
2050 #define OVECCOUNT 30 /* should be a multiple of 3 */
2052 static char *remplace(char *value, const char **src_list, int src_size,
2053 const char **dst_list, int dst_size)
2056 char result_result[BUFFER_SIZE];
2057 int i_result_buffer;
2058 int value_length = (int) strlen(value);
2062 i_result_buffer = 0;
2064 if (value[i] == '$') {
2068 int number_length = 0;
2069 while ('0' <= value[i + number_length]
2070 && value[i + number_length] <= '9') {
2073 xbt_assert2(number_length != 0,
2074 "bad string parameter, no number indication, at offset: %d (\"%s\")",
2078 number = atoi(value + i);
2079 i = i + number_length;
2080 xbt_assert2(i + 2 < value_length,
2081 "bad string parameter, too few chars, at offset: %d (\"%s\")",
2084 // solve the indication
2085 const char **param_list;
2087 if (value[i] == 's' && value[i + 1] == 'r' && value[i + 2] == 'c') {
2088 param_list = src_list;
2089 param_size = src_size;
2090 } else if (value[i] == 'd' && value[i + 1] == 's'
2091 && value[i + 2] == 't') {
2092 param_list = dst_list;
2093 param_size = dst_size;
2096 "bad string parameter, support only \"src\" and \"dst\", at offset: %d (\"%s\")",
2101 xbt_assert4(param_size >= number,
2102 "bad string parameter, not enough length param_size, at offset: %d (\"%s\") %d %d",
2103 i, value, param_size, number);
2105 const char *param = param_list[number];
2106 int size = strlen(param);
2108 for (cp = 0; cp < size; cp++) {
2109 result_result[i_result_buffer] = param[cp];
2111 if (i_result_buffer >= BUFFER_SIZE)
2115 result_result[i_result_buffer] = value[i];
2120 } while (i < value_length && i_result_buffer < BUFFER_SIZE);
2122 xbt_assert2(i_result_buffer < BUFFER_SIZE,
2123 "solving string \"%s\", small buffer size (%d)", value,
2125 result_result[i_result_buffer] = 0;
2126 return xbt_strdup(result_result);
2129 static route_extended_t rulebased_get_route(routing_component_t rc,
2132 static xbt_dynar_t rulebased_get_onelink_routes(routing_component_t rc)
2134 xbt_dynar_t ret = xbt_dynar_new (sizeof(onelink_t), xbt_free);
2135 routing_component_rulebased_t routing = (routing_component_rulebased_t)rc;
2137 xbt_dict_cursor_t c1 = NULL;
2141 char *router = NULL;
2142 xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2143 if (strstr (k1, "router")){
2148 xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2151 xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2152 route_extended_t route = rulebased_get_route (rc, router, k1);
2154 int number_of_links = xbt_dynar_length(route->generic_route.link_list);
2155 if (number_of_links != 3) {
2156 xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2160 xbt_dynar_get_cpy (route->generic_route.link_list, 2, &link_ptr);
2161 onelink_t onelink = xbt_new0 (s_onelink_t, 1);
2162 onelink->src = xbt_strdup (k1);
2163 onelink->dst = xbt_strdup (router);
2164 onelink->link_ptr = link_ptr;
2165 xbt_dynar_push (ret, &onelink);
2170 /* Business methods */
2171 static route_extended_t rulebased_get_route(routing_component_t rc,
2175 xbt_assert1(rc && src
2177 "Invalid params for \"get_route\" function at AS \"%s\"",
2180 /* set utils vars */
2181 routing_component_rulebased_t routing =
2182 (routing_component_rulebased_t) rc;
2184 int are_processing_units;
2185 xbt_dynar_t rule_list;
2186 if (xbt_dict_get_or_null(routing->dict_processing_units, src)
2187 && xbt_dict_get_or_null(routing->dict_processing_units, dst)) {
2188 are_processing_units = 1;
2189 rule_list = routing->list_route;
2190 } else if (xbt_dict_get_or_null(routing->dict_autonomous_systems, src)
2191 && xbt_dict_get_or_null(routing->dict_autonomous_systems,
2193 are_processing_units = 0;
2194 rule_list = routing->list_ASroute;
2197 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
2202 int src_length = (int) strlen(src);
2203 int dst_length = (int) strlen(dst);
2205 xbt_dynar_t links_list =
2206 xbt_dynar_new(global_routing->size_of_link, NULL);
2208 rule_route_t ruleroute;
2210 int ovector_src[OVECCOUNT];
2211 int ovector_dst[OVECCOUNT];
2212 const char **list_src = NULL;
2213 const char **list_dst = NULL;
2214 xbt_dynar_foreach(rule_list, cpt, ruleroute) {
2216 pcre_exec(ruleroute->re_src, NULL, src, src_length, 0, 0,
2217 ovector_src, OVECCOUNT);
2220 pcre_exec(ruleroute->re_dst, NULL, dst, dst_length, 0, 0,
2221 ovector_dst, OVECCOUNT);
2223 xbt_assert1(!pcre_get_substring_list
2224 (src, ovector_src, rc_src, &list_src),
2225 "error solving substring list for src \"%s\"", src);
2226 xbt_assert1(!pcre_get_substring_list
2227 (dst, ovector_dst, rc_dst, &list_dst),
2228 "error solving substring list for src \"%s\"", dst);
2230 xbt_dynar_foreach(ruleroute->re_str_link, cpt, link_name) {
2231 char *new_link_name =
2232 remplace(link_name, list_src, rc_src, list_dst, rc_dst);
2234 xbt_dict_get_or_null(surf_network_model->resource_set,
2237 xbt_dynar_push(links_list, &link);
2239 THROW1(mismatch_error, 0, "Link %s not found", new_link_name);
2240 xbt_free(new_link_name);
2244 if (rc_src >= 0 && rc_dst >= 0)
2248 route_extended_t new_e_route = NULL;
2249 if (rc_src >= 0 && rc_dst >= 0) {
2250 new_e_route = xbt_new0(s_route_extended_t, 1);
2251 new_e_route->generic_route.link_list = links_list;
2252 } else if (!strcmp(src, dst) && are_processing_units) {
2253 new_e_route = xbt_new0(s_route_extended_t, 1);
2254 xbt_dynar_push(links_list, &(global_routing->loopback));
2255 new_e_route->generic_route.link_list = links_list;
2257 xbt_dynar_free(&link_list);
2260 if (!are_processing_units && new_e_route) {
2261 rule_route_extended_t ruleroute_extended =
2262 (rule_route_extended_t) ruleroute;
2263 new_e_route->src_gateway =
2264 remplace(ruleroute_extended->re_src_gateway, list_src, rc_src,
2266 new_e_route->dst_gateway =
2267 remplace(ruleroute_extended->re_dst_gateway, list_src, rc_src,
2272 pcre_free_substring_list(list_src);
2274 pcre_free_substring_list(list_dst);
2279 static route_extended_t rulebased_get_bypass_route(routing_component_t rc,
2286 static void rulebased_finalize(routing_component_t rc)
2288 routing_component_rulebased_t routing =
2289 (routing_component_rulebased_t) rc;
2291 xbt_dict_free(&routing->dict_processing_units);
2292 xbt_dict_free(&routing->dict_autonomous_systems);
2293 xbt_dynar_free(&routing->list_route);
2294 xbt_dynar_free(&routing->list_ASroute);
2295 /* Delete structure */
2300 /* Creation routing model functions */
2301 static void *model_rulebased_create(void)
2303 routing_component_rulebased_t new_component =
2304 xbt_new0(s_routing_component_rulebased_t, 1);
2305 new_component->generic_routing.set_processing_unit =
2306 model_rulebased_set_processing_unit;
2307 new_component->generic_routing.set_autonomous_system =
2308 model_rulebased_set_autonomous_system;
2309 new_component->generic_routing.set_route = model_rulebased_set_route;
2310 new_component->generic_routing.set_ASroute = model_rulebased_set_ASroute;
2311 new_component->generic_routing.set_bypassroute = model_rulebased_set_bypassroute;
2312 new_component->generic_routing.get_onelink_routes = rulebased_get_onelink_routes;
2313 new_component->generic_routing.get_route = rulebased_get_route;
2314 new_component->generic_routing.get_bypass_route = generic_get_bypassroute; //rulebased_get_bypass_route;
2315 new_component->generic_routing.finalize = rulebased_finalize;
2316 /* initialization of internal structures */
2317 new_component->dict_processing_units = xbt_dict_new();
2318 new_component->dict_autonomous_systems = xbt_dict_new();
2319 new_component->list_route = xbt_dynar_new(sizeof(rule_route_t), &rule_route_free);
2320 new_component->list_ASroute =
2321 xbt_dynar_new(sizeof(rule_route_extended_t),
2322 &rule_route_extended_free);
2323 return new_component;
2326 static void model_rulebased_load(void)
2328 /* use "surfxml_add_callback" to add a parse function call */
2331 static void model_rulebased_unload(void)
2333 /* use "surfxml_del_callback" to remove a parse function call */
2336 static void model_rulebased_end(void)
2340 #endif /* HAVE_PCRE_LIB */
2342 /* ************************************************************************** */
2343 /* ******************************* NO ROUTING ******************************* */
2345 /* Routing model structure */
2347 s_routing_component_t generic_routing;
2348 } s_routing_component_none_t, *routing_component_none_t;
2350 /* Business methods */
2351 static xbt_dynar_t none_get_onelink_routes(routing_component_t rc)
2356 static route_extended_t none_get_route(routing_component_t rc,
2357 const char *src, const char *dst)
2362 static route_extended_t none_get_bypass_route(routing_component_t rc,
2369 static void none_finalize(routing_component_t rc)
2374 static void none_set_processing_unit(routing_component_t rc,
2379 static void none_set_autonomous_system(routing_component_t rc,
2384 /* Creation routing model functions */
2385 static void *model_none_create(void)
2387 routing_component_none_t new_component =
2388 xbt_new0(s_routing_component_none_t, 1);
2389 new_component->generic_routing.set_processing_unit =
2390 none_set_processing_unit;
2391 new_component->generic_routing.set_autonomous_system =
2392 none_set_autonomous_system;
2393 new_component->generic_routing.set_route = NULL;
2394 new_component->generic_routing.set_ASroute = NULL;
2395 new_component->generic_routing.set_bypassroute = NULL;
2396 new_component->generic_routing.get_route = none_get_route;
2397 new_component->generic_routing.get_onelink_routes =
2398 none_get_onelink_routes;
2399 new_component->generic_routing.get_bypass_route = none_get_bypass_route;
2400 new_component->generic_routing.finalize = none_finalize;
2401 return new_component;
2404 static void model_none_load(void)
2408 static void model_none_unload(void)
2412 static void model_none_end(void)
2416 /* ************************************************** */
2417 /* ********** PATERN FOR NEW ROUTING **************** */
2419 /* The minimal configuration of a new routing model need the next functions,
2420 * also you need to set at the start of the file, the new model in the model
2421 * list. Remember keep the null ending of the list.
2423 /*** Routing model structure ***/
2425 // s_routing_component_t generic_routing;
2426 // /* things that your routing model need */
2427 // } s_routing_component_NEW_t,*routing_component_NEW_t;
2429 /*** Parse routing model functions ***/
2430 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
2431 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
2432 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
2433 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
2434 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
2436 /*** Business methods ***/
2437 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2438 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2439 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
2441 /*** Creation routing model functions ***/
2442 // static void* model_NEW_create(void) {
2443 // routing_component_NEW_t new_component = xbt_new0(s_routing_component_NEW_t,1);
2444 // new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
2445 // new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
2446 // new_component->generic_routing.set_route = model_NEW_set_route;
2447 // new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
2448 // new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
2449 // new_component->generic_routing.get_route = NEW_get_route;
2450 // new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
2451 // new_component->generic_routing.finalize = NEW_finalize;
2452 // /* initialization of internal structures */
2453 // return new_component;
2454 // } /* mandatory */
2455 // static void model_NEW_load(void) {} /* mandatory */
2456 // static void model_NEW_unload(void) {} /* mandatory */
2457 // static void model_NEW_end(void) {} /* mandatory */
2459 /* ************************************************************************** */
2460 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
2462 static void generic_set_processing_unit(routing_component_t rc,
2465 DEBUG1("Load process unit \"%s\"", name);
2466 int *id = xbt_new0(int, 1);
2467 xbt_dict_t _to_index;
2468 _to_index = current_routing->to_index;
2469 *id = xbt_dict_length(_to_index);
2470 xbt_dict_set(_to_index, name, id, xbt_free);
2473 static void generic_set_autonomous_system(routing_component_t rc,
2476 DEBUG1("Load Autonomous system \"%s\"", name);
2477 int *id = xbt_new0(int, 1);
2478 xbt_dict_t _to_index;
2479 _to_index = current_routing->to_index;
2480 *id = xbt_dict_length(_to_index);
2481 xbt_dict_set(_to_index, name, id, xbt_free);
2484 static void generic_set_route(routing_component_t rc, const char *src,
2485 const char *dst, route_t route)
2487 DEBUG2("Load Route from \"%s\" to \"%s\"", src, dst);
2488 xbt_dict_t _parse_routes;
2489 xbt_dict_t _to_index;
2491 int *src_id, *dst_id;
2492 unsigned long nb_links = xbt_dynar_length(route->link_list);
2494 _to_index = current_routing->to_index;
2496 _parse_routes = current_routing->parse_routes;
2498 src_id = xbt_dict_get_or_null(_to_index, src);
2499 dst_id = xbt_dict_get_or_null(_to_index, dst);
2502 && dst_id, "Network elements %s or %s not found", src, dst);
2503 route_name = bprintf("%d#%d", *src_id, *dst_id);
2505 xbt_assert2(xbt_dynar_length(route->link_list) > 0,
2506 "Invalid count of links, must be greater than zero (%s,%s)",
2508 xbt_assert2(!xbt_dict_get_or_null(_parse_routes, route_name),
2509 "The route between \"%s\" and \"%s\" already exist", src,
2512 xbt_dict_set(_parse_routes, route_name, route, NULL);
2513 xbt_free(route_name);
2515 if(A_surfxml_route_symetrical == A_surfxml_route_symetrical_YES)
2518 route_t route_sym = xbt_new0(s_route_t, 1);
2519 route_sym->link_list = xbt_dynar_new(sizeof(char *),NULL);
2520 for(i=nb_links ; i>0 ; i--)
2522 char *link_name = xbt_new0(char,strlen(xbt_dynar_get_as(route->link_list, i-1, char *)));
2523 link_name = bprintf("%s",xbt_dynar_get_as(route->link_list, i-1, char *));
2524 xbt_dynar_push_as(route_sym->link_list ,char *, link_name);
2526 DEBUG2("Load Route from \"%s\" to \"%s\"", dst, src);
2527 xbt_dict_set(_parse_routes, bprintf("%d#%d",*dst_id, *src_id), route_sym, NULL);
2531 static void generic_set_ASroute(routing_component_t rc, const char *src,
2532 const char *dst, route_extended_t e_route)
2534 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
2535 e_route->src_gateway, dst, e_route->dst_gateway);
2537 xbt_dict_t _parse_routes;
2538 xbt_dict_t _to_index;
2540 int *src_id, *dst_id;
2541 _to_index = current_routing->to_index;
2542 _parse_routes = current_routing->parse_routes;
2545 src_id = xbt_dict_get_or_null(_to_index, src);
2546 dst_id = xbt_dict_get_or_null(_to_index, dst);
2549 && dst_id, "Network elements %s or %s not found", src, dst);
2550 route_name = bprintf("%d#%d", *src_id, *dst_id);
2552 xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
2553 "Invalid count of links, must be greater than zero (%s,%s)",
2555 xbt_assert4(!xbt_dict_get_or_null(_parse_routes, route_name),
2556 "The route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",
2557 src, e_route->src_gateway, dst, e_route->dst_gateway);
2559 xbt_dict_set(_parse_routes, route_name, e_route, NULL);
2560 xbt_free(route_name);
2562 unsigned long nb_links = xbt_dynar_length(e_route->generic_route.link_list);
2563 if(A_surfxml_ASroute_symetrical == A_surfxml_ASroute_symetrical_YES)
2566 route_extended_t route_sym = xbt_new0(s_route_extended_t, 1);
2567 route_sym->generic_route.link_list = xbt_dynar_new(sizeof(char *),NULL);
2568 for(i=nb_links ; i>0 ; i--)
2570 char *link_name = xbt_new0(char,strlen(xbt_dynar_get_as(e_route->generic_route.link_list, i-1, char *)));
2571 link_name = bprintf("%s",xbt_dynar_get_as(e_route->generic_route.link_list, i-1, char *));
2572 xbt_dynar_push_as(route_sym->generic_route.link_list ,char *, link_name);
2574 route_sym->src_gateway = xbt_new0( char,strlen(e_route->dst_gateway) );
2575 route_sym->src_gateway = bprintf("%s",e_route->dst_gateway);
2576 route_sym->dst_gateway = xbt_new0( char,strlen(e_route->src_gateway) );
2577 route_sym->dst_gateway = bprintf("%s",e_route->src_gateway);
2578 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"",dst, route_sym->src_gateway,src,route_sym->dst_gateway);
2579 xbt_dict_set(_parse_routes, bprintf("%d#%d", *dst_id, *src_id), route_sym, NULL);
2583 static void generic_set_bypassroute(routing_component_t rc,
2584 const char *src, const char *dst,
2585 route_extended_t e_route)
2587 DEBUG2("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
2588 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
2591 route_name = bprintf("%s#%s", src, dst);
2592 xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
2593 "Invalid count of links, must be greater than zero (%s,%s)",
2595 xbt_assert4(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
2596 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",
2597 src, e_route->src_gateway, dst, e_route->dst_gateway);
2599 route_extended_t new_e_route =
2600 generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
2601 xbt_dynar_free(&(e_route->generic_route.link_list));
2604 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
2605 (void (*)(void *)) generic_free_extended_route);
2606 xbt_free(route_name);
2609 /* ************************************************************************** */
2610 /* *********************** GENERIC BUSINESS METHODS ************************* */
2612 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
2614 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
2617 static route_extended_t generic_get_bypassroute(routing_component_t rc,
2621 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
2622 routing_component_t src_as, dst_as;
2623 int index_src, index_dst;
2624 xbt_dynar_t path_src = NULL;
2625 xbt_dynar_t path_dst = NULL;
2626 routing_component_t current = NULL;
2627 routing_component_t *current_src = NULL;
2628 routing_component_t *current_dst = NULL;
2630 /* (1) find the as where the src and dst are located */
2631 src_as = ((network_element_info_t)
2632 xbt_dict_get_or_null(global_routing->where_network_elements,
2633 src))->rc_component;
2634 dst_as = ((network_element_info_t)
2635 xbt_dict_get_or_null(global_routing->where_network_elements,
2636 dst))->rc_component;
2639 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
2642 /* (2) find the path to the root routing component */
2643 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
2645 while (current != NULL) {
2646 xbt_dynar_push(path_src, ¤t);
2647 current = current->routing_father;
2649 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
2651 while (current != NULL) {
2652 xbt_dynar_push(path_dst, ¤t);
2653 current = current->routing_father;
2656 /* (3) find the common father */
2657 index_src = (path_src->used) - 1;
2658 index_dst = (path_dst->used) - 1;
2659 current_src = xbt_dynar_get_ptr(path_src, index_src);
2660 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
2661 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
2662 routing_component_t *tmp_src, *tmp_dst;
2663 tmp_src = xbt_dynar_pop_ptr(path_src);
2664 tmp_dst = xbt_dynar_pop_ptr(path_dst);
2667 current_src = xbt_dynar_get_ptr(path_src, index_src);
2668 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
2671 int max_index_src = (path_src->used) - 1;
2672 int max_index_dst = (path_dst->used) - 1;
2674 int max_index = max(max_index_src, max_index_dst);
2677 route_extended_t e_route_bypass = NULL;
2679 for (max = 0; max <= max_index; max++) {
2680 for (i = 0; i < max; i++) {
2681 if (i <= max_index_src && max <= max_index_dst) {
2682 char *route_name = bprintf("%s#%s",
2683 (*(routing_component_t *)
2685 (path_src, i)))->name,
2686 (*(routing_component_t *)
2688 (path_dst, max)))->name);
2690 xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2691 xbt_free(route_name);
2695 if (max <= max_index_src && i <= max_index_dst) {
2696 char *route_name = bprintf("%s#%s",
2697 (*(routing_component_t *)
2699 (path_src, max)))->name,
2700 (*(routing_component_t *)
2702 (path_dst, i)))->name);
2704 xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2705 xbt_free(route_name);
2714 if (max <= max_index_src && max <= max_index_dst) {
2715 char *route_name = bprintf("%s#%s",
2716 (*(routing_component_t *)
2718 (path_src, max)))->name,
2719 (*(routing_component_t *)
2721 (path_dst, max)))->name);
2722 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2723 xbt_free(route_name);
2729 xbt_dynar_free(&path_src);
2730 xbt_dynar_free(&path_dst);
2732 route_extended_t new_e_route = NULL;
2734 if (e_route_bypass) {
2736 unsigned int cpt = 0;
2737 new_e_route = xbt_new0(s_route_extended_t, 1);
2738 new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
2739 new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
2740 new_e_route->generic_route.link_list =
2741 xbt_dynar_new(global_routing->size_of_link, NULL);
2742 xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
2743 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
2750 /* ************************************************************************** */
2751 /* ************************* GENERIC AUX FUNCTIONS ************************** */
2753 static route_extended_t
2754 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
2755 void *data, int order)
2759 route_extended_t e_route, new_e_route;
2762 xbt_dynar_t links = NULL, links_id = NULL;
2764 new_e_route = xbt_new0(s_route_extended_t, 1);
2765 new_e_route->generic_route.link_list =
2766 xbt_dynar_new(global_routing->size_of_link, NULL);
2767 new_e_route->src_gateway = NULL;
2768 new_e_route->dst_gateway = NULL;
2770 xbt_assert0(hierarchy == SURF_ROUTING_BASE
2771 || hierarchy == SURF_ROUTING_RECURSIVE,
2772 "the hierarchy type is not defined");
2774 if (hierarchy == SURF_ROUTING_BASE) {
2776 route = (route_t) data;
2777 links = route->link_list;
2779 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
2781 e_route = (route_extended_t) data;
2782 xbt_assert0(e_route->src_gateway
2783 && e_route->dst_gateway, "bad gateway, is null");
2784 links = e_route->generic_route.link_list;
2786 /* remeber not erase the gateway names */
2787 new_e_route->src_gateway = e_route->src_gateway;
2788 new_e_route->dst_gateway = e_route->dst_gateway;
2791 links_id = new_e_route->generic_route.link_list;
2793 xbt_dynar_foreach(links, cpt, link_name) {
2796 xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
2799 xbt_dynar_push(links_id, &link);
2801 xbt_dynar_unshift(links_id, &link);
2803 THROW1(mismatch_error, 0, "Link %s not found", link_name);
2809 static void generic_free_route(route_t route)
2812 xbt_dynar_free(&(route->link_list));
2817 static void generic_free_extended_route(route_extended_t e_route)
2820 xbt_dynar_free(&(e_route->generic_route.link_list));
2821 if (e_route->src_gateway)
2822 xbt_free(e_route->src_gateway);
2823 if (e_route->dst_gateway)
2824 xbt_free(e_route->dst_gateway);
2829 static routing_component_t generic_as_exist(routing_component_t find_from,
2830 routing_component_t to_find)
2832 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
2833 xbt_dict_cursor_t cursor = NULL;
2836 routing_component_t elem;
2837 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
2838 if (to_find == elem || generic_as_exist(elem, to_find)) {
2848 static routing_component_t
2849 generic_autonomous_system_exist(routing_component_t rc, char *element)
2851 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
2852 routing_component_t element_as, result, elem;
2853 xbt_dict_cursor_t cursor = NULL;
2855 element_as = ((network_element_info_t)
2856 xbt_dict_get_or_null
2857 (global_routing->where_network_elements,
2858 element))->rc_component;
2859 result = ((routing_component_t) - 1);
2860 if (element_as != rc)
2861 result = generic_as_exist(rc, element_as);
2865 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
2866 found = !strcmp(elem->name, element);
2876 static routing_component_t
2877 generic_processing_units_exist(routing_component_t rc, char *element)
2879 routing_component_t element_as;
2880 element_as = ((network_element_info_t)
2881 xbt_dict_get_or_null
2882 (global_routing->where_network_elements,
2883 element))->rc_component;
2884 if (element_as == rc)
2886 return generic_as_exist(rc, element_as);
2889 static void generic_src_dst_check(routing_component_t rc, const char *src,
2893 routing_component_t src_as = ((network_element_info_t)
2894 xbt_dict_get_or_null
2895 (global_routing->where_network_elements,
2896 src))->rc_component;
2897 routing_component_t dst_as = ((network_element_info_t)
2898 xbt_dict_get_or_null
2899 (global_routing->where_network_elements,
2900 dst))->rc_component;
2902 xbt_assert3(src_as != NULL && dst_as != NULL,
2903 "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
2904 src, dst, rc->name);
2905 xbt_assert4(src_as == dst_as,
2906 "The src(%s in %s) and dst(%s in %s) are in differents AS",
2907 src, src_as->name, dst, dst_as->name);
2908 xbt_assert2(rc == dst_as,
2909 "The routing component of src and dst is not the same as the network elements belong (%s==%s)",
2910 rc->name, dst_as->name);
2913 static void routing_parse_Sconfig(void)
2916 DEBUG0("WARNING tag config not yet implemented.");
2917 DEBUG1("Configuration name = %s",A_surfxml_config_id);
2920 static void routing_parse_Econfig(void)
2923 xbt_dict_cursor_t cursor = NULL;
2926 xbt_dict_foreach(current_property_set, cursor, key, elem) {
2927 DEBUG2("property : %s = %s",key,elem);
2931 static void routing_parse_Scluster(void)
2933 static int AX_ptr = 0;
2935 char *cluster_id = A_surfxml_cluster_id;
2936 char *cluster_prefix = A_surfxml_cluster_prefix;
2937 char *cluster_suffix = A_surfxml_cluster_suffix;
2938 char *cluster_radical = A_surfxml_cluster_radical;
2939 char *cluster_power = A_surfxml_cluster_power;
2940 char *cluster_bw = A_surfxml_cluster_bw;
2941 char *cluster_lat = A_surfxml_cluster_lat;
2942 char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
2943 char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
2944 char *host_id, *groups, *link_id = NULL;
2945 char *router_id, *link_router, *link_backbone, *route_src_dst;
2948 xbt_dynar_t radical_elements;
2949 xbt_dynar_t radical_ends;
2950 int cluster_sharing_policy = AX_surfxml_cluster_sharing_policy;
2952 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
2953 {DEBUG0("cluster with sharing_policy FULLDUPLEX");}
2954 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_SHARED)
2955 {DEBUG0("cluster with sharing_policy SHARED");}
2957 #ifndef HAVE_PCRE_LIB
2958 xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
2959 char *route_src, *route_dst;
2963 static unsigned int surfxml_buffer_stack_stack_ptr = 1;
2964 static unsigned int surfxml_buffer_stack_stack[1024];
2966 surfxml_buffer_stack_stack[0] = 0;
2968 surfxml_bufferstack_push(1);
2970 SURFXML_BUFFER_SET(AS_id, cluster_id);
2971 #ifdef HAVE_PCRE_LIB
2972 SURFXML_BUFFER_SET(AS_routing, "RuleBased");
2973 DEBUG1("<AS id=\"%s\"\trouting=\"RuleBased\">", cluster_id);
2975 SURFXML_BUFFER_SET(AS_routing, "Full");
2976 DEBUG1("<AS id=\"%s\"\trouting=\"Full\">", cluster_id);
2978 SURFXML_START_TAG(AS);
2980 radical_elements = xbt_str_split(cluster_radical, ",");
2981 xbt_dynar_foreach(radical_elements, iter, groups) {
2982 radical_ends = xbt_str_split(groups, "-");
2983 switch (xbt_dynar_length(radical_ends)) {
2985 surf_parse_get_int(&start,
2986 xbt_dynar_get_as(radical_ends, 0, char *));
2987 host_id = bprintf("%s%d%s", cluster_prefix, start, cluster_suffix);
2988 #ifndef HAVE_PCRE_LIB
2989 xbt_dynar_push_as(tab_elements_num, int, start);
2991 link_id = bprintf("%s_link_%d", cluster_id, start);
2993 DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
2994 A_surfxml_host_state = A_surfxml_host_state_ON;
2995 SURFXML_BUFFER_SET(host_id, host_id);
2996 SURFXML_BUFFER_SET(host_power, cluster_power);
2997 SURFXML_BUFFER_SET(host_availability, "1.0");
2998 SURFXML_BUFFER_SET(host_availability_file, "");
2999 SURFXML_BUFFER_SET(host_state_file, "");
3000 SURFXML_START_TAG(host);
3001 SURFXML_END_TAG(host);
3003 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,cluster_bw, cluster_lat);
3004 A_surfxml_link_state = A_surfxml_link_state_ON;
3005 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3006 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3007 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3008 SURFXML_BUFFER_SET(link_id, link_id);
3009 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3010 SURFXML_BUFFER_SET(link_latency, cluster_lat);
3011 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3012 SURFXML_BUFFER_SET(link_latency_file, "");
3013 SURFXML_BUFFER_SET(link_state_file, "");
3014 SURFXML_START_TAG(link);
3015 SURFXML_END_TAG(link);
3021 surf_parse_get_int(&start,
3022 xbt_dynar_get_as(radical_ends, 0, char *));
3023 surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
3024 DEBUG2("Create hosts and links from %d to %d", start, end);
3025 for (i = start; i <= end; i++) {
3026 host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
3027 #ifndef HAVE_PCRE_LIB
3028 xbt_dynar_push_as(tab_elements_num, int, i);
3030 link_id = bprintf("%s_link_%d", cluster_id, i);
3032 DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
3033 A_surfxml_host_state = A_surfxml_host_state_ON;
3034 SURFXML_BUFFER_SET(host_id, host_id);
3035 SURFXML_BUFFER_SET(host_power, cluster_power);
3036 SURFXML_BUFFER_SET(host_availability, "1.0");
3037 SURFXML_BUFFER_SET(host_availability_file, "");
3038 SURFXML_BUFFER_SET(host_state_file, "");
3039 SURFXML_START_TAG(host);
3040 SURFXML_END_TAG(host);
3042 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,cluster_bw, cluster_lat);
3043 A_surfxml_link_state = A_surfxml_link_state_ON;
3044 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3045 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3046 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3047 SURFXML_BUFFER_SET(link_id, link_id);
3048 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3049 SURFXML_BUFFER_SET(link_latency, cluster_lat);
3050 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3051 SURFXML_BUFFER_SET(link_latency_file, "");
3052 SURFXML_BUFFER_SET(link_state_file, "");
3053 SURFXML_START_TAG(link);
3054 SURFXML_END_TAG(link);
3059 DEBUG0("Malformed radical");
3062 xbt_dynar_free(&radical_ends);
3067 bprintf("%s%s_router%s", cluster_prefix, cluster_id,
3069 link_router = bprintf("%s_link_%s_router", cluster_id, cluster_id);
3070 link_backbone = bprintf("%s_backbone", cluster_id);
3072 DEBUG1("<router id=\"%s\"/>", router_id);
3073 SURFXML_BUFFER_SET(router_id, router_id);;
3074 SURFXML_START_TAG(router);
3075 SURFXML_END_TAG(router);
3077 DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_router,cluster_bw, cluster_lat);
3078 A_surfxml_link_state = A_surfxml_link_state_ON;
3079 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3080 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3081 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3082 SURFXML_BUFFER_SET(link_id, link_router);
3083 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3084 SURFXML_BUFFER_SET(link_latency, cluster_lat);
3085 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3086 SURFXML_BUFFER_SET(link_latency_file, "");
3087 SURFXML_BUFFER_SET(link_state_file, "");
3088 SURFXML_START_TAG(link);
3089 SURFXML_END_TAG(link);
3091 DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_backbone,cluster_bw, cluster_lat);
3092 A_surfxml_link_state = A_surfxml_link_state_ON;
3093 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3094 SURFXML_BUFFER_SET(link_id, link_backbone);
3095 SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
3096 SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
3097 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3098 SURFXML_BUFFER_SET(link_latency_file, "");
3099 SURFXML_BUFFER_SET(link_state_file, "");
3100 SURFXML_START_TAG(link);
3101 SURFXML_END_TAG(link);
3103 char *new_suffix = bprintf("%s", "");
3105 radical_elements = xbt_str_split(cluster_suffix, ".");
3106 xbt_dynar_foreach(radical_elements, iter, groups) {
3107 if (strcmp(groups, "")) {
3108 new_suffix = bprintf("%s\\.%s", new_suffix, groups);
3111 route_src_dst = bprintf("%s(.*)%s", cluster_prefix, new_suffix);
3115 #ifdef HAVE_PCRE_LIB
3117 DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, route_src_dst);
3118 DEBUG0("symetrical=\"NO\">");
3119 SURFXML_BUFFER_SET(route_src, route_src_dst);
3120 SURFXML_BUFFER_SET(route_dst, route_src_dst);
3121 A_surfxml_route_symetrical = A_surfxml_route_symetrical_NO;
3122 SURFXML_START_TAG(route);
3124 DEBUG1("<link_ctn\tid=\"%s_link_$1src\"/>", cluster_id);
3125 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1src", cluster_id));
3126 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3127 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3128 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3129 SURFXML_START_TAG(link_ctn);
3130 SURFXML_END_TAG(link_ctn);
3132 DEBUG1("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
3133 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
3134 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3135 SURFXML_START_TAG(link_ctn);
3136 SURFXML_END_TAG(link_ctn);
3138 DEBUG1("<link_ctn\tid=\"%s_link_$1dst\"/>", cluster_id);
3139 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1dst", cluster_id));
3140 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3141 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3142 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3143 SURFXML_START_TAG(link_ctn);
3144 SURFXML_END_TAG(link_ctn);
3147 SURFXML_END_TAG(route);
3149 for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
3150 for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
3151 if (i == xbt_dynar_length(tab_elements_num)) {
3152 route_src = router_id;
3155 bprintf("%s%d%s", cluster_prefix,
3156 xbt_dynar_get_as(tab_elements_num, i, int),
3160 if (j == xbt_dynar_length(tab_elements_num)) {
3161 route_dst = router_id;
3164 bprintf("%s%d%s", cluster_prefix,
3165 xbt_dynar_get_as(tab_elements_num, j, int),
3169 DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src, route_dst);
3170 DEBUG0("symetrical=\"NO\">");
3171 SURFXML_BUFFER_SET(route_src, route_src);
3172 SURFXML_BUFFER_SET(route_dst, route_dst);
3173 A_surfxml_route_symetrical = A_surfxml_route_symetrical_NO;
3174 SURFXML_START_TAG(route);
3176 if (i == xbt_dynar_length(tab_elements_num)) {
3177 route_src = link_router;
3180 bprintf("%s_link_%d", cluster_id,
3181 xbt_dynar_get_as(tab_elements_num, i, int));
3184 if (j == xbt_dynar_length(tab_elements_num)) {
3185 route_dst = link_router;
3188 bprintf("%s_link_%d", cluster_id,
3189 xbt_dynar_get_as(tab_elements_num, j, int));
3192 DEBUG1("<link_ctn\tid=\"%s\"/>", route_src);
3193 SURFXML_BUFFER_SET(link_ctn_id, route_src);
3194 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3195 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3196 SURFXML_START_TAG(link_ctn);
3197 SURFXML_END_TAG(link_ctn);
3199 DEBUG1("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
3200 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
3201 SURFXML_START_TAG(link_ctn);
3202 SURFXML_END_TAG(link_ctn);
3204 DEBUG1("<link_ctn\tid=\"%s\"/>", route_dst);
3205 SURFXML_BUFFER_SET(link_ctn_id, route_dst);
3206 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3207 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3208 SURFXML_START_TAG(link_ctn);
3209 SURFXML_END_TAG(link_ctn);
3212 SURFXML_END_TAG(route);
3215 xbt_dynar_free(&tab_elements_num);
3219 SURFXML_END_TAG(AS);
3222 surfxml_bufferstack_pop(1);
3226 * New methods to init the routing model component from the lua script
3230 * calling parse_S_AS_lua with lua values
3232 void routing_AS_init(const char *AS_id, const char *AS_routing)
3234 parse_S_AS_lua((char *) AS_id, (char *) AS_routing);
3238 * calling parse_E_AS_lua to fisnish the creation of routing component
3240 void routing_AS_end(const char *AS_id)
3242 parse_E_AS_lua((char *) AS_id);
3246 * add a host to the network element list
3249 void routing_add_host(const char *host_id)
3251 parse_S_host_lua((char *) host_id);
3255 * Set a new link on the actual list of link for a route or ASroute
3257 void routing_add_link(const char *link_id)
3259 parse_E_link_c_ctn_new_elem_lua((char *) link_id);
3263 *Set the endpoints for a route
3265 void routing_set_route(const char *src_id, const char *dst_id)
3267 parse_S_route_new_and_endpoints_lua((char *) src_id, (char *) dst_id);
3271 * Store the route by calling parse_E_route_store_route
3273 void routing_store_route(void)
3275 parse_E_route_store_route();