1 /* Copyright (c) 2009, 2010. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
10 #include "gras_config.h"
13 #include <pcre.h> /* regular expresion library */
15 #include "surf_private.h"
16 #include "xbt/dynar.h"
18 #include "xbt/config.h"
19 #include "xbt/graph.h"
22 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
25 routing_global_t global_routing = NULL;
26 routing_component_t current_routing = NULL;
27 model_type_t current_routing_model = NULL;
29 /* Prototypes of each model */
30 static void *model_full_create(void); /* create structures for full routing model */
31 static void model_full_load(void); /* load parse functions for full routing model */
32 static void model_full_unload(void); /* unload parse functions for full routing model */
33 static void model_full_end(void); /* finalize the creation of full routing model */
35 static void *model_floyd_create(void); /* create structures for floyd routing model */
36 static void model_floyd_load(void); /* load parse functions for floyd routing model */
37 static void model_floyd_unload(void); /* unload parse functions for floyd routing model */
38 static void model_floyd_end(void); /* finalize the creation of floyd routing model */
40 static void *model_dijkstra_both_create(int cached); /* create by calling dijkstra or dijkstracache */
41 static void *model_dijkstra_create(void); /* create structures for dijkstra routing model */
42 static void *model_dijkstracache_create(void); /* create structures for dijkstracache routing model */
43 static void model_dijkstra_both_load(void); /* load parse functions for dijkstra routing model */
44 static void model_dijkstra_both_unload(void); /* unload parse functions for dijkstra routing model */
45 static void model_dijkstra_both_end(void); /* finalize the creation of dijkstra routing model */
47 static void *model_rulebased_create(void); /* create structures for rulebased routing model */
48 static void model_rulebased_load(void); /* load parse functions for rulebased routing model */
49 static void model_rulebased_unload(void); /* unload parse functions for rulebased routing model */
50 static void model_rulebased_end(void); /* finalize the creation of rulebased routing model */
52 static void *model_none_create(void); /* none routing model */
53 static void model_none_load(void); /* none routing model */
54 static void model_none_unload(void); /* none routing model */
55 static void model_none_end(void); /* none routing model */
57 static void routing_full_parse_Scluster(void); /*cluster bypass */
59 static void parse_Sconfig(void); /*config Tag */
61 /* this lines are only for replace use like index in the model table */
66 SURF_MODEL_DIJKSTRACACHE,
74 /* must be finish with null and carefull if change de order */
75 struct s_model_type routing_models[] = { {"Full",
76 "Full routing data (fast, large memory requirements, fully expressive)",
82 "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
83 model_floyd_create, model_floyd_load, model_floyd_unload,
86 "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
87 model_dijkstra_create, model_dijkstra_both_load,
88 model_dijkstra_both_unload, model_dijkstra_both_end},
90 "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
91 model_dijkstracache_create, model_dijkstra_both_load,
92 model_dijkstra_both_unload, model_dijkstra_both_end},
93 {"none", "No routing (usable with Constant network only)",
94 model_none_create, model_none_load, model_none_unload, model_none_end},
96 {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create,
97 model_rulebased_load, model_rulebased_unload, model_rulebased_end},
99 {NULL, NULL, NULL, NULL, NULL, NULL}
102 /* ************************************************************************** */
103 /* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
105 static void generic_set_processing_unit(routing_component_t rc,
107 static void generic_set_autonomous_system(routing_component_t rc,
109 static void generic_set_route(routing_component_t rc, const char *src,
110 const char *dst, route_t route);
111 static void generic_set_ASroute(routing_component_t rc, const char *src,
112 const char *dst, route_extended_t e_route);
113 static void generic_set_bypassroute(routing_component_t rc,
114 const char *src, const char *dst,
115 route_extended_t e_route);
117 /* ************************************************************************** */
118 /* *************** GENERIC BUSINESS METHODS (declarations) ****************** */
120 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc);
121 static route_extended_t generic_get_bypassroute(routing_component_t rc,
125 /* ************************************************************************** */
126 /* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
128 static route_extended_t
129 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
130 void *data, int order);
131 static void generic_free_route(route_t route);
132 static void generic_free_extended_route(route_extended_t e_route);
133 static routing_component_t
134 generic_autonomous_system_exist(routing_component_t rc, char *element);
135 static routing_component_t
136 generic_processing_units_exist(routing_component_t rc, char *element);
137 static void generic_src_dst_check(routing_component_t rc, const char *src,
140 /* ************************************************************************** */
141 /* **************************** GLOBAL FUNCTIONS **************************** */
143 /* global parse functions */
144 static char *src = NULL; /* temporary store the source name of a route */
145 static char *dst = NULL; /* temporary store the destination name of a route */
146 static char *gw_src = NULL; /* temporary store the gateway source name of a route */
147 static char *gw_dst = NULL; /* temporary store the gateway destination name of a route */
148 static xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */
151 * \brief Add a "host" to the network element list
153 static void parse_S_host(char *host_id)
155 network_element_info_t info = NULL;
156 if (current_routing->hierarchy == SURF_ROUTING_NULL)
157 current_routing->hierarchy = SURF_ROUTING_BASE;
158 xbt_assert1(!xbt_dict_get_or_null
159 (global_routing->where_network_elements, host_id),
160 "Reading a host, processing unit \"%s\" already exist",
162 xbt_assert1(current_routing->set_processing_unit,
163 "no defined method \"set_processing_unit\" in \"%s\"",
164 current_routing->name);
165 (*(current_routing->set_processing_unit)) (current_routing, host_id);
166 info = xbt_new0(s_network_element_info_t, 1);
167 info->rc_component = current_routing;
168 info->rc_type = SURF_NETWORK_ELEMENT_HOST;
169 xbt_dict_set(global_routing->where_network_elements, host_id,
170 (void *) info, NULL);
174 * \brief Add a host to the network element list from XML
176 static void parse_S_host_XML(void)
178 parse_S_host(A_surfxml_host_id);
182 * \brief Add a host to the network element list from lua script
184 static void parse_S_host_lua(char *host_id)
186 parse_S_host(host_id);
194 * \brief Add a "router" to the network element list
196 static void parse_S_router(void)
198 network_element_info_t info = NULL;
200 if (current_routing->hierarchy == SURF_ROUTING_NULL)
201 current_routing->hierarchy = SURF_ROUTING_BASE;
202 xbt_assert1(!xbt_dict_get_or_null
203 (global_routing->where_network_elements,
204 A_surfxml_router_id),
205 "Reading a router, processing unit \"%s\" already exist",
206 A_surfxml_router_id);
207 xbt_assert1(current_routing->set_processing_unit,
208 "no defined method \"set_processing_unit\" in \"%s\"",
209 current_routing->name);
210 (*(current_routing->set_processing_unit)) (current_routing,
211 A_surfxml_router_id);
212 info = xbt_new0(s_network_element_info_t, 1);
213 info->rc_component = current_routing;
214 info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
215 xbt_dict_set(global_routing->where_network_elements, A_surfxml_router_id,
216 (void *) info, NULL);
218 TRACE_surf_host_declaration(A_surfxml_router_id, 0);
223 * \brief Set the endponints for a route
225 static void parse_S_route_new_and_endpoints(char *src_id, char *dst_id)
227 if (src != NULL && dst != NULL && link_list != NULL)
228 THROW2(arg_error, 0, "Route between %s to %s can not be defined",
232 xbt_assert2(strlen(src) > 0 || strlen(dst) > 0,
233 "Some limits are null in the route between \"%s\" and \"%s\"",
235 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
239 * \breif Set the endpoints for a route from XML
241 static void parse_S_route_new_and_endpoints_XML(void)
243 parse_S_route_new_and_endpoints(A_surfxml_route_src,
244 A_surfxml_route_dst);
248 * \breif Set the endpoints for a route from lua
250 static void parse_S_route_new_and_endpoints_lua(char *id_src, char *id_dst)
252 parse_S_route_new_and_endpoints(id_src, id_dst);
256 * \brief Set the endponints and gateways for a ASroute
258 static void parse_S_ASroute_new_and_endpoints(void)
260 if (src != NULL && dst != NULL && link_list != NULL)
261 THROW2(arg_error, 0, "Route between %s to %s can not be defined",
262 A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
263 src = A_surfxml_ASroute_src;
264 dst = A_surfxml_ASroute_dst;
265 gw_src = A_surfxml_ASroute_gw_src;
266 gw_dst = A_surfxml_ASroute_gw_dst;
267 xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
268 || strlen(gw_dst) > 0,
269 "Some limits are null in the route between \"%s\" and \"%s\"",
271 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
275 * \brief Set the endponints for a bypassRoute
277 static void parse_S_bypassRoute_new_and_endpoints(void)
279 if (src != NULL && dst != NULL && link_list != NULL)
281 "Bypass Route between %s to %s can not be defined",
282 A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
283 src = A_surfxml_bypassRoute_src;
284 dst = A_surfxml_bypassRoute_dst;
285 gw_src = A_surfxml_bypassRoute_gw_src;
286 gw_dst = A_surfxml_bypassRoute_gw_dst;
287 xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
288 || strlen(gw_dst) > 0,
289 "Some limits are null in the route between \"%s\" and \"%s\"",
291 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
295 * \brief Set a new link on the actual list of link for a route or ASroute
297 static void parse_E_link_ctn_new_elem(char *link_id)
300 val = xbt_strdup(link_id);
301 xbt_dynar_push(link_list, &val);
305 * \brief Set a new link on the actual list of link for a route or ASroute from XML
308 static void parse_E_link_ctn_new_elem_XML(void)
310 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_full_parse_Scluster);
901 surfxml_add_callback(STag_surfxml_config_cb_list, &parse_Sconfig);
904 /* ************************************************************************** */
905 /* *************************** FULL ROUTING ********************************* */
907 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
909 /* Routing model structure */
912 s_routing_component_t generic_routing;
913 xbt_dict_t parse_routes; /* store data during the parse process */
914 route_extended_t *routing_table;
915 } s_routing_component_full_t, *routing_component_full_t;
917 /* Business methods */
918 static xbt_dynar_t full_get_onelink_routes(routing_component_t rc)
920 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
922 routing_component_full_t routing = (routing_component_full_t) rc;
923 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
924 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
925 char *k1, *d1, *k2, *d2;
926 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
927 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
928 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k1);
929 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k2);
932 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
934 route_extended_t route = TO_ROUTE_FULL(*src_id, *dst_id);
936 if (xbt_dynar_length(route->generic_route.link_list) == 1) {
938 *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
940 onelink_t onelink = xbt_new0(s_onelink_t, 1);
941 onelink->link_ptr = link;
942 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
943 onelink->src = xbt_strdup(k1);
944 onelink->dst = xbt_strdup(k2);
945 } else if (routing->generic_routing.hierarchy ==
946 SURF_ROUTING_RECURSIVE) {
947 onelink->src = xbt_strdup(route->src_gateway);
948 onelink->dst = xbt_strdup(route->dst_gateway);
950 xbt_dynar_push(ret, &onelink);
958 static route_extended_t full_get_route(routing_component_t rc,
959 const char *src, const char *dst)
961 xbt_assert1(rc && src
963 "Invalid params for \"get_route\" function at AS \"%s\"",
967 routing_component_full_t routing = (routing_component_full_t) rc;
968 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
970 generic_src_dst_check(rc, src, dst);
971 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
972 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
975 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
978 route_extended_t e_route = NULL;
979 route_extended_t new_e_route = NULL;
981 unsigned int cpt = 0;
983 e_route = TO_ROUTE_FULL(*src_id, *dst_id);
986 new_e_route = xbt_new0(s_route_extended_t, 1);
987 new_e_route->src_gateway = xbt_strdup(e_route->src_gateway);
988 new_e_route->dst_gateway = xbt_strdup(e_route->dst_gateway);
989 new_e_route->generic_route.link_list =
990 xbt_dynar_new(global_routing->size_of_link, NULL);
991 xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
992 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
998 static void full_finalize(routing_component_t rc)
1000 routing_component_full_t routing = (routing_component_full_t) rc;
1001 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1004 /* Delete routing table */
1005 for (i = 0; i < table_size; i++)
1006 for (j = 0; j < table_size; j++)
1007 generic_free_extended_route(TO_ROUTE_FULL(i, j));
1008 xbt_free(routing->routing_table);
1009 /* Delete bypass dict */
1010 xbt_dict_free(&rc->bypassRoutes);
1011 /* Delete index dict */
1012 xbt_dict_free(&rc->to_index);
1013 /* Delete structure */
1018 /* Creation routing model functions */
1020 static void *model_full_create(void)
1022 routing_component_full_t new_component =
1023 xbt_new0(s_routing_component_full_t, 1);
1024 new_component->generic_routing.set_processing_unit =
1025 generic_set_processing_unit;
1026 new_component->generic_routing.set_autonomous_system =
1027 generic_set_autonomous_system;
1028 new_component->generic_routing.set_route = generic_set_route;
1029 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1030 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1031 new_component->generic_routing.get_route = full_get_route;
1032 new_component->generic_routing.get_onelink_routes =
1033 full_get_onelink_routes;
1034 new_component->generic_routing.get_bypass_route =
1035 generic_get_bypassroute;
1036 new_component->generic_routing.finalize = full_finalize;
1037 new_component->generic_routing.to_index = xbt_dict_new();
1038 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1039 new_component->generic_routing.parse_routes = xbt_dict_new();
1040 return new_component;
1043 static void model_full_load(void)
1045 /* use "surfxml_add_callback" to add a parse function call */
1048 static void model_full_unload(void)
1050 /* use "surfxml_del_callback" to remove a parse function call */
1053 static void model_full_end(void)
1057 const char *sep = "#";
1061 route_extended_t e_route;
1064 xbt_dict_cursor_t cursor = NULL;
1065 xbt_dynar_t keys = NULL;
1067 /* set utils vars */
1068 routing_component_full_t routing =
1069 ((routing_component_full_t) current_routing);
1070 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1072 /* Create the routing table */
1073 routing->routing_table =
1074 xbt_new0(route_extended_t, table_size * table_size);
1076 /* Put the routes in position */
1077 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1078 keys = xbt_str_split_str(key, sep);
1079 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1080 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1081 TO_ROUTE_FULL(src_id, dst_id) =
1082 generic_new_extended_route(current_routing->hierarchy, data, 1);
1083 xbt_dynar_free(&keys);
1086 /* delete the parse table */
1087 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1088 route = (route_t) data;
1089 xbt_dynar_free(&(route->link_list));
1093 /* delete parse dict */
1094 xbt_dict_free(&(routing->generic_routing.parse_routes));
1096 /* Add the loopback if needed */
1097 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1098 for (i = 0; i < table_size; i++) {
1099 e_route = TO_ROUTE_FULL(i, i);
1101 e_route = xbt_new0(s_route_extended_t, 1);
1102 e_route->src_gateway = NULL;
1103 e_route->dst_gateway = NULL;
1104 e_route->generic_route.link_list =
1105 xbt_dynar_new(global_routing->size_of_link, NULL);
1106 xbt_dynar_push(e_route->generic_route.link_list,
1107 &global_routing->loopback);
1108 TO_ROUTE_FULL(i, i) = e_route;
1113 /* Shrink the dynar routes (save unused slots) */
1114 for (i = 0; i < table_size; i++)
1115 for (j = 0; j < table_size; j++)
1116 if (TO_ROUTE_FULL(i, j))
1117 xbt_dynar_shrink(TO_ROUTE_FULL(i, j)->generic_route.link_list, 0);
1120 /* ************************************************************************** */
1121 /* *************************** FLOYD ROUTING ******************************** */
1123 #define TO_FLOYD_COST(i,j) cost_table[(i)+(j)*table_size]
1124 #define TO_FLOYD_PRED(i,j) (routing->predecessor_table)[(i)+(j)*table_size]
1125 #define TO_FLOYD_LINK(i,j) (routing->link_table)[(i)+(j)*table_size]
1127 /* Routing model structure */
1130 s_routing_component_t generic_routing;
1131 /* vars for calculate the floyd algorith. */
1132 int *predecessor_table;
1133 route_extended_t *link_table; /* char* -> int* */
1134 } s_routing_component_floyd_t, *routing_component_floyd_t;
1136 static route_extended_t floyd_get_route(routing_component_t rc,
1137 const char *src, const char *dst);
1139 /* Business methods */
1140 static xbt_dynar_t floyd_get_onelink_routes(routing_component_t rc)
1142 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
1144 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1145 //size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1146 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
1147 char *k1, *d1, *k2, *d2;
1148 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
1149 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
1150 route_extended_t route = floyd_get_route(rc, k1, k2);
1152 if (xbt_dynar_length(route->generic_route.link_list) == 1) {
1154 *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
1156 onelink_t onelink = xbt_new0(s_onelink_t, 1);
1157 onelink->link_ptr = link;
1158 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
1159 onelink->src = xbt_strdup(k1);
1160 onelink->dst = xbt_strdup(k2);
1161 } else if (routing->generic_routing.hierarchy ==
1162 SURF_ROUTING_RECURSIVE) {
1163 onelink->src = xbt_strdup(route->src_gateway);
1164 onelink->dst = xbt_strdup(route->dst_gateway);
1166 xbt_dynar_push(ret, &onelink);
1174 static route_extended_t floyd_get_route(routing_component_t rc,
1175 const char *src, const char *dst)
1177 xbt_assert1(rc && src
1179 "Invalid params for \"get_route\" function at AS \"%s\"",
1182 /* set utils vars */
1183 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1184 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1186 generic_src_dst_check(rc, src, dst);
1187 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1188 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1191 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
1194 /* create a result route */
1195 route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1196 new_e_route->generic_route.link_list =
1197 xbt_dynar_new(global_routing->size_of_link, NULL);
1198 new_e_route->src_gateway = NULL;
1199 new_e_route->dst_gateway = NULL;
1204 char *gw_src = NULL, *gw_dst =
1205 NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
1212 pred = TO_FLOYD_PRED(*src_id, pred);
1213 if (pred == -1) /* if no pred in route -> no route to host */
1215 xbt_assert2(TO_FLOYD_LINK(pred, prev_pred),
1216 "Invalid link for the route between \"%s\" or \"%s\"", src,
1219 prev_gw_src = gw_src;
1220 prev_gw_dst = gw_dst;
1222 route_extended_t e_route = TO_FLOYD_LINK(pred, prev_pred);
1223 gw_src = e_route->src_gateway;
1224 gw_dst = e_route->dst_gateway;
1229 if (rc->hierarchy == SURF_ROUTING_RECURSIVE && !first
1230 && strcmp(gw_dst, prev_gw_src)) {
1231 xbt_dynar_t e_route_as_to_as =
1232 (*(global_routing->get_route)) (gw_dst, prev_gw_src);
1233 xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
1234 gw_dst, prev_gw_src);
1235 links = e_route_as_to_as;
1237 xbt_dynar_foreach(links, cpt, link) {
1238 xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
1244 links = e_route->generic_route.link_list;
1245 xbt_dynar_foreach(links, cpt, link) {
1246 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1250 } while (pred != *src_id);
1251 xbt_assert4(pred != -1, "no route from host %d to %d (\"%s\" to \"%s\")",
1252 *src_id, *dst_id, src, dst);
1254 if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1255 new_e_route->src_gateway = xbt_strdup(gw_src);
1256 new_e_route->dst_gateway = xbt_strdup(first_gw);
1262 static void floyd_finalize(routing_component_t rc)
1264 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1268 table_size = xbt_dict_length(routing->generic_routing.to_index);
1269 /* Delete link_table */
1270 for (i = 0; i < table_size; i++)
1271 for (j = 0; j < table_size; j++)
1272 generic_free_extended_route(TO_FLOYD_LINK(i, j));
1273 xbt_free(routing->link_table);
1274 /* Delete bypass dict */
1275 xbt_dict_free(&routing->generic_routing.bypassRoutes);
1276 /* Delete index dict */
1277 xbt_dict_free(&(routing->generic_routing.to_index));
1278 /* Delete dictionary index dict, predecessor and links table */
1279 xbt_free(routing->predecessor_table);
1280 /* Delete structure */
1285 static void *model_floyd_create(void)
1287 routing_component_floyd_t new_component =
1288 xbt_new0(s_routing_component_floyd_t, 1);
1289 new_component->generic_routing.set_processing_unit =
1290 generic_set_processing_unit;
1291 new_component->generic_routing.set_autonomous_system =
1292 generic_set_autonomous_system;
1293 new_component->generic_routing.set_route = generic_set_route;
1294 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1295 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1296 new_component->generic_routing.get_route = floyd_get_route;
1297 new_component->generic_routing.get_onelink_routes =
1298 floyd_get_onelink_routes;
1299 new_component->generic_routing.get_bypass_route =
1300 generic_get_bypassroute;
1301 new_component->generic_routing.finalize = floyd_finalize;
1302 new_component->generic_routing.to_index = xbt_dict_new();
1303 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1304 new_component->generic_routing.parse_routes = xbt_dict_new();
1305 return new_component;
1308 static void model_floyd_load(void)
1310 /* use "surfxml_add_callback" to add a parse function call */
1313 static void model_floyd_unload(void)
1315 /* use "surfxml_del_callback" to remove a parse function call */
1318 static void model_floyd_end(void)
1321 routing_component_floyd_t routing =
1322 ((routing_component_floyd_t) current_routing);
1323 xbt_dict_cursor_t cursor = NULL;
1325 char *key, *data, *end;
1326 const char *sep = "#";
1329 unsigned int i, j, a, b, c;
1331 /* set the size of inicial table */
1332 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1334 /* Create Cost, Predecessor and Link tables */
1335 cost_table = xbt_new0(double, table_size * table_size); /* link cost from host to host */
1336 routing->predecessor_table = xbt_new0(int, table_size * table_size); /* predecessor host numbers */
1337 routing->link_table = xbt_new0(route_extended_t, table_size * table_size); /* actual link between src and dst */
1339 /* Initialize costs and predecessors */
1340 for (i = 0; i < table_size; i++)
1341 for (j = 0; j < table_size; j++) {
1342 TO_FLOYD_COST(i, j) = DBL_MAX;
1343 TO_FLOYD_PRED(i, j) = -1;
1344 TO_FLOYD_LINK(i, j) = NULL; /* fixed, missing in the previous version */
1347 /* Put the routes in position */
1348 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1349 keys = xbt_str_split_str(key, sep);
1350 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1351 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1352 TO_FLOYD_LINK(src_id, dst_id) =
1353 generic_new_extended_route(current_routing->hierarchy, data, 0);
1354 TO_FLOYD_PRED(src_id, dst_id) = src_id;
1356 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 */
1357 xbt_dynar_free(&keys);
1360 /* Add the loopback if needed */
1361 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1362 for (i = 0; i < table_size; i++) {
1363 route_extended_t e_route = TO_FLOYD_LINK(i, i);
1365 e_route = xbt_new0(s_route_extended_t, 1);
1366 e_route->src_gateway = NULL;
1367 e_route->dst_gateway = NULL;
1368 e_route->generic_route.link_list =
1369 xbt_dynar_new(global_routing->size_of_link, NULL);
1370 xbt_dynar_push(e_route->generic_route.link_list,
1371 &global_routing->loopback);
1372 TO_FLOYD_LINK(i, i) = e_route;
1373 TO_FLOYD_PRED(i, i) = i;
1374 TO_FLOYD_COST(i, i) = 1;
1378 /* Calculate path costs */
1379 for (c = 0; c < table_size; c++) {
1380 for (a = 0; a < table_size; a++) {
1381 for (b = 0; b < table_size; b++) {
1382 if (TO_FLOYD_COST(a, c) < DBL_MAX && TO_FLOYD_COST(c, b) < DBL_MAX) {
1383 if (TO_FLOYD_COST(a, b) == DBL_MAX ||
1384 (TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b) <
1385 TO_FLOYD_COST(a, b))) {
1386 TO_FLOYD_COST(a, b) =
1387 TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b);
1388 TO_FLOYD_PRED(a, b) = TO_FLOYD_PRED(c, b);
1395 /* delete the parse table */
1396 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1397 route_t route = (route_t) data;
1398 xbt_dynar_free(&(route->link_list));
1402 /* delete parse dict */
1403 xbt_dict_free(&(routing->generic_routing.parse_routes));
1406 xbt_free(cost_table);
1409 /* ************************************************************************** */
1410 /* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
1413 s_routing_component_t generic_routing;
1414 xbt_graph_t route_graph; /* xbt_graph */
1415 xbt_dict_t graph_node_map; /* map */
1416 xbt_dict_t route_cache; /* use in cache mode */
1418 } s_routing_component_dijkstra_t, *routing_component_dijkstra_t;
1421 typedef struct graph_node_data {
1423 int graph_id; /* used for caching internal graph id's */
1424 } s_graph_node_data_t, *graph_node_data_t;
1426 typedef struct graph_node_map_element {
1428 } s_graph_node_map_element_t, *graph_node_map_element_t;
1430 typedef struct route_cache_element {
1433 } s_route_cache_element_t, *route_cache_element_t;
1435 /* Free functions */
1437 static void route_cache_elem_free(void *e)
1439 route_cache_element_t elm = (route_cache_element_t) e;
1441 xbt_free(elm->pred_arr);
1446 static void graph_node_map_elem_free(void *e)
1448 graph_node_map_element_t elm = (graph_node_map_element_t) e;
1454 static void graph_edge_data_free(void *e)
1456 route_extended_t e_route = (route_extended_t) e;
1458 xbt_dynar_free(&(e_route->generic_route.link_list));
1459 if (e_route->src_gateway)
1460 xbt_free(e_route->src_gateway);
1461 if (e_route->dst_gateway)
1462 xbt_free(e_route->dst_gateway);
1467 /* Utility functions */
1469 static xbt_node_t route_graph_new_node(routing_component_dijkstra_t rc,
1470 int id, int graph_id)
1472 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1473 xbt_node_t node = NULL;
1474 graph_node_data_t data = NULL;
1475 graph_node_map_element_t elm = NULL;
1477 data = xbt_new0(struct graph_node_data, 1);
1479 data->graph_id = graph_id;
1480 node = xbt_graph_new_node(routing->route_graph, data);
1482 elm = xbt_new0(struct graph_node_map_element, 1);
1484 xbt_dict_set_ext(routing->graph_node_map, (char *) (&id), sizeof(int),
1485 (xbt_set_elm_t) elm, &graph_node_map_elem_free);
1490 static graph_node_map_element_t
1491 graph_node_map_search(routing_component_dijkstra_t rc, int id)
1493 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1494 graph_node_map_element_t elm = (graph_node_map_element_t)
1495 xbt_dict_get_or_null_ext(routing->graph_node_map,
1503 static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id,
1504 int dst_id, route_extended_t e_route)
1506 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1508 xbt_node_t src = NULL;
1509 xbt_node_t dst = NULL;
1510 graph_node_map_element_t src_elm = (graph_node_map_element_t)
1511 xbt_dict_get_or_null_ext(routing->graph_node_map,
1514 graph_node_map_element_t dst_elm = (graph_node_map_element_t)
1515 xbt_dict_get_or_null_ext(routing->graph_node_map,
1520 src = src_elm->node;
1523 dst = dst_elm->node;
1525 /* add nodes if they don't exist in the graph */
1526 if (src_id == dst_id && src == NULL && dst == NULL) {
1527 src = route_graph_new_node(rc, src_id, -1);
1531 src = route_graph_new_node(rc, src_id, -1);
1534 dst = route_graph_new_node(rc, dst_id, -1);
1538 /* add link as edge to graph */
1539 xbt_graph_new_edge(routing->route_graph, src, dst, e_route);
1542 static void add_loopback_dijkstra(routing_component_dijkstra_t rc)
1544 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1546 xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1548 xbt_node_t node = NULL;
1549 unsigned int cursor2;
1550 xbt_dynar_foreach(nodes, cursor2, node) {
1551 xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node);
1552 xbt_edge_t edge = NULL;
1553 unsigned int cursor;
1556 xbt_dynar_foreach(out_edges, cursor, edge) {
1557 xbt_node_t other_node = xbt_graph_edge_get_target(edge);
1558 if (other_node == node) {
1565 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
1566 e_route->src_gateway = NULL;
1567 e_route->dst_gateway = NULL;
1568 e_route->generic_route.link_list =
1569 xbt_dynar_new(global_routing->size_of_link, NULL);
1570 xbt_dynar_push(e_route->generic_route.link_list,
1571 &global_routing->loopback);
1572 xbt_graph_new_edge(routing->route_graph, node, node, e_route);
1577 /* Business methods */
1578 static xbt_dynar_t dijkstra_get_onelink_routes(routing_component_t rc)
1580 xbt_die("\"dijkstra_get_onelink_routes\" function not implemented yet");
1583 static route_extended_t dijkstra_get_route(routing_component_t rc,
1587 xbt_assert1(rc && src
1589 "Invalid params for \"get_route\" function at AS \"%s\"",
1592 /* set utils vars */
1593 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1595 generic_src_dst_check(rc, src, dst);
1596 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1597 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1600 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
1603 /* create a result route */
1604 route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1605 new_e_route->generic_route.link_list =
1606 xbt_dynar_new(global_routing->size_of_link, NULL);
1607 new_e_route->src_gateway = NULL;
1608 new_e_route->dst_gateway = NULL;
1610 int *pred_arr = NULL;
1611 int src_node_id = 0;
1612 int dst_node_id = 0;
1615 route_extended_t e_route;
1619 xbt_dynar_t links = NULL;
1620 route_cache_element_t elm = NULL;
1621 xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1623 /* Use the graph_node id mapping set to quickly find the nodes */
1624 graph_node_map_element_t src_elm =
1625 graph_node_map_search(routing, *src_id);
1626 graph_node_map_element_t dst_elm =
1627 graph_node_map_search(routing, *dst_id);
1628 xbt_assert2(src_elm != NULL
1629 && dst_elm != NULL, "src %d or dst %d does not exist",
1631 src_node_id = ((graph_node_data_t)
1632 xbt_graph_node_get_data(src_elm->node))->graph_id;
1633 dst_node_id = ((graph_node_data_t)
1634 xbt_graph_node_get_data(dst_elm->node))->graph_id;
1636 /* if the src and dst are the same *//* fixed, missing in the previous version */
1637 if (src_node_id == dst_node_id) {
1639 xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_node_id, xbt_node_t);
1640 xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_node_id, xbt_node_t);
1642 xbt_graph_get_edge(routing->route_graph, node_s_v, node_e_v);
1644 xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
1647 e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
1649 links = e_route->generic_route.link_list;
1650 xbt_dynar_foreach(links, cpt, link) {
1651 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1657 if (routing->cached) {
1658 /*check if there is a cached predecessor list avail */
1659 elm = (route_cache_element_t)
1660 xbt_dict_get_or_null_ext(routing->route_cache, (char *) (&src_id),
1664 if (elm) { /* cached mode and cache hit */
1665 pred_arr = elm->pred_arr;
1666 } else { /* not cached mode or cache miss */
1667 double *cost_arr = NULL;
1668 xbt_heap_t pqueue = NULL;
1671 int nr_nodes = xbt_dynar_length(nodes);
1672 cost_arr = xbt_new0(double, nr_nodes); /* link cost from src to other hosts */
1673 pred_arr = xbt_new0(int, nr_nodes); /* predecessors in path from src */
1674 pqueue = xbt_heap_new(nr_nodes, xbt_free);
1677 cost_arr[src_node_id] = 0.0;
1679 for (i = 0; i < nr_nodes; i++) {
1680 if (i != src_node_id) {
1681 cost_arr[i] = DBL_MAX;
1686 /* initialize priority queue */
1687 nodeid = xbt_new0(int, 1);
1689 xbt_heap_push(pqueue, nodeid, cost_arr[i]);
1693 /* apply dijkstra using the indexes from the graph's node array */
1694 while (xbt_heap_size(pqueue) > 0) {
1695 int *v_id = xbt_heap_pop(pqueue);
1696 xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t);
1697 xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node);
1698 xbt_edge_t edge = NULL;
1699 unsigned int cursor;
1701 xbt_dynar_foreach(out_edges, cursor, edge) {
1702 xbt_node_t u_node = xbt_graph_edge_get_target(edge);
1703 graph_node_data_t data = xbt_graph_node_get_data(u_node);
1704 int u_id = data->graph_id;
1705 route_extended_t tmp_e_route =
1706 (route_extended_t) xbt_graph_edge_get_data(edge);
1707 int cost_v_u = (tmp_e_route->generic_route.link_list)->used; /* count of links, old model assume 1 */
1709 if (cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
1710 pred_arr[u_id] = *v_id;
1711 cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
1712 nodeid = xbt_new0(int, 1);
1714 xbt_heap_push(pqueue, nodeid, cost_arr[u_id]);
1718 /* free item popped from pqueue */
1723 xbt_heap_free(pqueue);
1726 /* compose route path with links */
1727 char *gw_src = NULL, *gw_dst =
1728 NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
1730 for (v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
1731 xbt_node_t node_pred_v =
1732 xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
1733 xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t);
1735 xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
1737 xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
1740 prev_gw_src = gw_src;
1741 prev_gw_dst = gw_dst;
1743 e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
1744 gw_src = e_route->src_gateway;
1745 gw_dst = e_route->dst_gateway;
1747 if (v == dst_node_id)
1750 if (rc->hierarchy == SURF_ROUTING_RECURSIVE && v != dst_node_id
1751 && strcmp(gw_dst, prev_gw_src)) {
1752 xbt_dynar_t e_route_as_to_as =
1753 (*(global_routing->get_route)) (gw_dst, prev_gw_src);
1754 xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
1755 gw_dst, prev_gw_src);
1756 links = e_route_as_to_as;
1758 xbt_dynar_foreach(links, cpt, link) {
1759 xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
1765 links = e_route->generic_route.link_list;
1766 xbt_dynar_foreach(links, cpt, link) {
1767 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1772 if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1773 new_e_route->src_gateway = xbt_strdup(gw_src);
1774 new_e_route->dst_gateway = xbt_strdup(first_gw);
1777 if (routing->cached && elm == NULL) {
1778 /* add to predecessor list of the current src-host to cache */
1779 elm = xbt_new0(struct route_cache_element, 1);
1780 elm->pred_arr = pred_arr;
1782 xbt_dict_set_ext(routing->route_cache, (char *) (&src_id), sizeof(int),
1783 (xbt_set_elm_t) elm, &route_cache_elem_free);
1786 if (!routing->cached)
1792 static void dijkstra_finalize(routing_component_t rc)
1794 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1797 xbt_graph_free_graph(routing->route_graph, &xbt_free,
1798 &graph_edge_data_free, &xbt_free);
1799 xbt_dict_free(&routing->graph_node_map);
1800 if (routing->cached)
1801 xbt_dict_free(&routing->route_cache);
1802 /* Delete bypass dict */
1803 xbt_dict_free(&routing->generic_routing.bypassRoutes);
1804 /* Delete index dict */
1805 xbt_dict_free(&(routing->generic_routing.to_index));
1806 /* Delete structure */
1811 /* Creation routing model functions */
1813 static void *model_dijkstra_both_create(int cached)
1815 routing_component_dijkstra_t new_component =
1816 xbt_new0(s_routing_component_dijkstra_t, 1);
1817 new_component->generic_routing.set_processing_unit =
1818 generic_set_processing_unit;
1819 new_component->generic_routing.set_autonomous_system =
1820 generic_set_autonomous_system;
1821 new_component->generic_routing.set_route = generic_set_route;
1822 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1823 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1824 new_component->generic_routing.get_route = dijkstra_get_route;
1825 new_component->generic_routing.get_onelink_routes =
1826 dijkstra_get_onelink_routes;
1827 new_component->generic_routing.get_bypass_route =
1828 generic_get_bypassroute;
1829 new_component->generic_routing.finalize = dijkstra_finalize;
1830 new_component->cached = cached;
1831 new_component->generic_routing.to_index = xbt_dict_new();
1832 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1833 new_component->generic_routing.parse_routes = xbt_dict_new();
1834 return new_component;
1837 static void *model_dijkstra_create(void)
1839 return model_dijkstra_both_create(0);
1842 static void *model_dijkstracache_create(void)
1844 return model_dijkstra_both_create(1);
1847 static void model_dijkstra_both_load(void)
1849 /* use "surfxml_add_callback" to add a parse function call */
1852 static void model_dijkstra_both_unload(void)
1854 /* use "surfxml_del_callback" to remove a parse function call */
1857 static void model_dijkstra_both_end(void)
1859 routing_component_dijkstra_t routing =
1860 (routing_component_dijkstra_t) current_routing;
1861 xbt_dict_cursor_t cursor = NULL;
1862 char *key, *data, *end;
1863 const char *sep = "#";
1865 xbt_node_t node = NULL;
1866 unsigned int cursor2;
1867 xbt_dynar_t nodes = NULL;
1871 /* Create the topology graph */
1872 routing->route_graph = xbt_graph_new_graph(1, NULL);
1873 routing->graph_node_map = xbt_dict_new();
1875 if (routing->cached)
1876 routing->route_cache = xbt_dict_new();
1878 /* Put the routes in position */
1879 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1880 keys = xbt_str_split_str(key, sep);
1881 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1882 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1883 route_extended_t e_route =
1884 generic_new_extended_route(current_routing->hierarchy, data, 0);
1885 route_new_dijkstra(routing, src_id, dst_id, e_route);
1886 xbt_dynar_free(&keys);
1889 /* delete the parse table */
1890 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1891 route = (route_t) data;
1892 xbt_dynar_free(&(route->link_list));
1896 /* delete parse dict */
1897 xbt_dict_free(&(routing->generic_routing.parse_routes));
1899 /* Add the loopback if needed */
1900 if (current_routing->hierarchy == SURF_ROUTING_BASE)
1901 add_loopback_dijkstra(routing);
1903 /* initialize graph indexes in nodes after graph has been built */
1904 nodes = xbt_graph_get_nodes(routing->route_graph);
1906 xbt_dynar_foreach(nodes, cursor2, node) {
1907 graph_node_data_t data = xbt_graph_node_get_data(node);
1908 data->graph_id = cursor2;
1913 #ifdef HAVE_PCRE_LIB
1914 /* ************************************************** */
1915 /* ************** RULE-BASED ROUTING **************** */
1917 /* Routing model structure */
1920 s_routing_component_t generic_routing;
1921 xbt_dict_t dict_processing_units;
1922 xbt_dict_t dict_autonomous_systems;
1923 xbt_dynar_t list_route;
1924 xbt_dynar_t list_ASroute;
1925 } s_routing_component_rulebased_t, *routing_component_rulebased_t;
1927 typedef struct s_rule_route s_rule_route_t, *rule_route_t;
1928 typedef struct s_rule_route_extended s_rule_route_extended_t,
1929 *rule_route_extended_t;
1931 struct s_rule_route {
1932 xbt_dynar_t re_str_link; // dynar of char*
1937 struct s_rule_route_extended {
1938 s_rule_route_t generic_rule_route;
1939 char *re_src_gateway;
1940 char *re_dst_gateway;
1943 static void rule_route_free(void *e)
1945 rule_route_t *elem = (rule_route_t *) (e);
1947 xbt_dynar_free(&(*elem)->re_str_link);
1948 pcre_free((*elem)->re_src);
1949 pcre_free((*elem)->re_dst);
1955 static void rule_route_extended_free(void *e)
1957 rule_route_extended_t *elem = (rule_route_extended_t *) e;
1959 xbt_dynar_free(&(*elem)->generic_rule_route.re_str_link);
1960 pcre_free((*elem)->generic_rule_route.re_src);
1961 pcre_free((*elem)->generic_rule_route.re_dst);
1962 xbt_free((*elem)->re_src_gateway);
1963 xbt_free((*elem)->re_dst_gateway);
1968 /* Parse routing model functions */
1970 static void model_rulebased_set_processing_unit(routing_component_t rc,
1973 routing_component_rulebased_t routing =
1974 (routing_component_rulebased_t) rc;
1975 xbt_dict_set(routing->dict_processing_units, name, (void *) (-1), NULL);
1978 static void model_rulebased_set_autonomous_system(routing_component_t rc,
1981 routing_component_rulebased_t routing =
1982 (routing_component_rulebased_t) rc;
1983 xbt_dict_set(routing->dict_autonomous_systems, name, (void *) (-1),
1987 static void model_rulebased_set_route(routing_component_t rc,
1988 const char *src, const char *dst,
1991 routing_component_rulebased_t routing =
1992 (routing_component_rulebased_t) rc;
1993 rule_route_t ruleroute = xbt_new0(s_rule_route_t, 1);
1996 ruleroute->re_src = pcre_compile(src, 0, &error, &erroffset, NULL);
1997 xbt_assert3(ruleroute->re_src,
1998 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
1999 erroffset, src, error);
2000 ruleroute->re_dst = pcre_compile(dst, 0, &error, &erroffset, NULL);
2001 xbt_assert3(ruleroute->re_src,
2002 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2003 erroffset, dst, error);
2004 ruleroute->re_str_link = route->link_list;
2005 xbt_dynar_push(routing->list_route, &ruleroute);
2009 static void model_rulebased_set_ASroute(routing_component_t rc,
2010 const char *src, const char *dst,
2011 route_extended_t route)
2013 routing_component_rulebased_t routing =
2014 (routing_component_rulebased_t) rc;
2015 rule_route_extended_t ruleroute_e = xbt_new0(s_rule_route_extended_t, 1);
2018 ruleroute_e->generic_rule_route.re_src =
2019 pcre_compile(src, 0, &error, &erroffset, NULL);
2020 xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2021 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2022 erroffset, src, error);
2023 ruleroute_e->generic_rule_route.re_dst =
2024 pcre_compile(dst, 0, &error, &erroffset, NULL);
2025 xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2026 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2027 erroffset, dst, error);
2028 ruleroute_e->generic_rule_route.re_str_link =
2029 route->generic_route.link_list;
2030 ruleroute_e->re_src_gateway = route->src_gateway;
2031 ruleroute_e->re_dst_gateway = route->dst_gateway;
2032 xbt_dynar_push(routing->list_ASroute, &ruleroute_e);
2033 xbt_free(route->src_gateway);
2034 xbt_free(route->dst_gateway);
2038 static void model_rulebased_set_bypassroute(routing_component_t rc,
2041 route_extended_t e_route)
2043 xbt_die("bypass routing not supported for Route-Based model");
2046 #define BUFFER_SIZE 4096 /* result buffer size */
2047 #define OVECCOUNT 30 /* should be a multiple of 3 */
2049 static char *remplace(char *value, const char **src_list, int src_size,
2050 const char **dst_list, int dst_size)
2053 char result_result[BUFFER_SIZE];
2054 int i_result_buffer;
2055 int value_length = (int) strlen(value);
2059 i_result_buffer = 0;
2061 if (value[i] == '$') {
2065 int number_length = 0;
2066 while ('0' <= value[i + number_length]
2067 && value[i + number_length] <= '9') {
2070 xbt_assert2(number_length != 0,
2071 "bad string parameter, no number indication, at offset: %d (\"%s\")",
2075 number = atoi(value + i);
2076 i = i + number_length;
2077 xbt_assert2(i + 2 < value_length,
2078 "bad string parameter, too few chars, at offset: %d (\"%s\")",
2081 // solve the indication
2082 const char **param_list;
2084 if (value[i] == 's' && value[i + 1] == 'r' && value[i + 2] == 'c') {
2085 param_list = src_list;
2086 param_size = src_size;
2087 } else if (value[i] == 'd' && value[i + 1] == 's'
2088 && value[i + 2] == 't') {
2089 param_list = dst_list;
2090 param_size = dst_size;
2093 "bad string parameter, support only \"src\" and \"dst\", at offset: %d (\"%s\")",
2098 xbt_assert4(param_size >= number,
2099 "bad string parameter, not enough length param_size, at offset: %d (\"%s\") %d %d",
2100 i, value, param_size, number);
2102 const char *param = param_list[number];
2103 int size = strlen(param);
2105 for (cp = 0; cp < size; cp++) {
2106 result_result[i_result_buffer] = param[cp];
2108 if (i_result_buffer >= BUFFER_SIZE)
2112 result_result[i_result_buffer] = value[i];
2117 } while (i < value_length && i_result_buffer < BUFFER_SIZE);
2119 xbt_assert2(i_result_buffer < BUFFER_SIZE,
2120 "solving string \"%s\", small buffer size (%d)", value,
2122 result_result[i_result_buffer] = 0;
2123 return xbt_strdup(result_result);
2126 static route_extended_t rulebased_get_route(routing_component_t rc,
2129 static xbt_dynar_t rulebased_get_onelink_routes(routing_component_t rc)
2131 xbt_dynar_t ret = xbt_dynar_new (sizeof(onelink_t), xbt_free);
2132 routing_component_rulebased_t routing = (routing_component_rulebased_t)rc;
2134 xbt_dict_cursor_t c1 = NULL;
2138 char *router = NULL;
2139 xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2140 if (strstr (k1, "router")){
2145 xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2148 xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2149 route_extended_t route = rulebased_get_route (rc, router, k1);
2151 int number_of_links = xbt_dynar_length(route->generic_route.link_list);
2152 if (number_of_links != 3) {
2153 xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2157 xbt_dynar_get_cpy (route->generic_route.link_list, 2, &link_ptr);
2158 onelink_t onelink = xbt_new0 (s_onelink_t, 1);
2159 onelink->src = xbt_strdup (k1);
2160 onelink->dst = xbt_strdup (router);
2161 onelink->link_ptr = link_ptr;
2162 xbt_dynar_push (ret, &onelink);
2167 /* Business methods */
2168 static route_extended_t rulebased_get_route(routing_component_t rc,
2172 xbt_assert1(rc && src
2174 "Invalid params for \"get_route\" function at AS \"%s\"",
2177 /* set utils vars */
2178 routing_component_rulebased_t routing =
2179 (routing_component_rulebased_t) rc;
2181 int are_processing_units;
2182 xbt_dynar_t rule_list;
2183 if (xbt_dict_get_or_null(routing->dict_processing_units, src)
2184 && xbt_dict_get_or_null(routing->dict_processing_units, dst)) {
2185 are_processing_units = 1;
2186 rule_list = routing->list_route;
2187 } else if (xbt_dict_get_or_null(routing->dict_autonomous_systems, src)
2188 && xbt_dict_get_or_null(routing->dict_autonomous_systems,
2190 are_processing_units = 0;
2191 rule_list = routing->list_ASroute;
2194 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
2199 int src_length = (int) strlen(src);
2200 int dst_length = (int) strlen(dst);
2202 xbt_dynar_t links_list =
2203 xbt_dynar_new(global_routing->size_of_link, NULL);
2205 rule_route_t ruleroute;
2207 int ovector_src[OVECCOUNT];
2208 int ovector_dst[OVECCOUNT];
2209 const char **list_src = NULL;
2210 const char **list_dst = NULL;
2211 xbt_dynar_foreach(rule_list, cpt, ruleroute) {
2213 pcre_exec(ruleroute->re_src, NULL, src, src_length, 0, 0,
2214 ovector_src, OVECCOUNT);
2217 pcre_exec(ruleroute->re_dst, NULL, dst, dst_length, 0, 0,
2218 ovector_dst, OVECCOUNT);
2220 xbt_assert1(!pcre_get_substring_list
2221 (src, ovector_src, rc_src, &list_src),
2222 "error solving substring list for src \"%s\"", src);
2223 xbt_assert1(!pcre_get_substring_list
2224 (dst, ovector_dst, rc_dst, &list_dst),
2225 "error solving substring list for src \"%s\"", dst);
2227 xbt_dynar_foreach(ruleroute->re_str_link, cpt, link_name) {
2228 char *new_link_name =
2229 remplace(link_name, list_src, rc_src, list_dst, rc_dst);
2231 xbt_dict_get_or_null(surf_network_model->resource_set,
2234 xbt_dynar_push(links_list, &link);
2236 THROW1(mismatch_error, 0, "Link %s not found", new_link_name);
2237 xbt_free(new_link_name);
2241 if (rc_src >= 0 && rc_dst >= 0)
2245 route_extended_t new_e_route = NULL;
2246 if (rc_src >= 0 && rc_dst >= 0) {
2247 new_e_route = xbt_new0(s_route_extended_t, 1);
2248 new_e_route->generic_route.link_list = links_list;
2249 } else if (!strcmp(src, dst) && are_processing_units) {
2250 new_e_route = xbt_new0(s_route_extended_t, 1);
2251 xbt_dynar_push(links_list, &(global_routing->loopback));
2252 new_e_route->generic_route.link_list = links_list;
2254 xbt_dynar_free(&link_list);
2257 if (!are_processing_units && new_e_route) {
2258 rule_route_extended_t ruleroute_extended =
2259 (rule_route_extended_t) ruleroute;
2260 new_e_route->src_gateway =
2261 remplace(ruleroute_extended->re_src_gateway, list_src, rc_src,
2263 new_e_route->dst_gateway =
2264 remplace(ruleroute_extended->re_dst_gateway, list_src, rc_src,
2269 pcre_free_substring_list(list_src);
2271 pcre_free_substring_list(list_dst);
2276 static route_extended_t rulebased_get_bypass_route(routing_component_t rc,
2283 static void rulebased_finalize(routing_component_t rc)
2285 routing_component_rulebased_t routing =
2286 (routing_component_rulebased_t) rc;
2288 xbt_dict_free(&routing->dict_processing_units);
2289 xbt_dict_free(&routing->dict_autonomous_systems);
2290 xbt_dynar_free(&routing->list_route);
2291 xbt_dynar_free(&routing->list_ASroute);
2292 /* Delete structure */
2297 /* Creation routing model functions */
2298 static void *model_rulebased_create(void)
2300 routing_component_rulebased_t new_component =
2301 xbt_new0(s_routing_component_rulebased_t, 1);
2302 new_component->generic_routing.set_processing_unit =
2303 model_rulebased_set_processing_unit;
2304 new_component->generic_routing.set_autonomous_system =
2305 model_rulebased_set_autonomous_system;
2306 new_component->generic_routing.set_route = model_rulebased_set_route;
2307 new_component->generic_routing.set_ASroute = model_rulebased_set_ASroute;
2308 new_component->generic_routing.set_bypassroute = model_rulebased_set_bypassroute;
2309 new_component->generic_routing.get_onelink_routes = rulebased_get_onelink_routes;
2310 new_component->generic_routing.get_route = rulebased_get_route;
2311 new_component->generic_routing.get_bypass_route = generic_get_bypassroute; //rulebased_get_bypass_route;
2312 new_component->generic_routing.finalize = rulebased_finalize;
2313 /* initialization of internal structures */
2314 new_component->dict_processing_units = xbt_dict_new();
2315 new_component->dict_autonomous_systems = xbt_dict_new();
2316 new_component->list_route = xbt_dynar_new(sizeof(rule_route_t), &rule_route_free);
2317 new_component->list_ASroute =
2318 xbt_dynar_new(sizeof(rule_route_extended_t),
2319 &rule_route_extended_free);
2320 return new_component;
2323 static void model_rulebased_load(void)
2325 /* use "surfxml_add_callback" to add a parse function call */
2328 static void model_rulebased_unload(void)
2330 /* use "surfxml_del_callback" to remove a parse function call */
2333 static void model_rulebased_end(void)
2337 #endif /* HAVE_PCRE_LIB */
2339 /* ************************************************************************** */
2340 /* ******************************* NO ROUTING ******************************* */
2342 /* Routing model structure */
2344 s_routing_component_t generic_routing;
2345 } s_routing_component_none_t, *routing_component_none_t;
2347 /* Business methods */
2348 static xbt_dynar_t none_get_onelink_routes(routing_component_t rc)
2353 static route_extended_t none_get_route(routing_component_t rc,
2354 const char *src, const char *dst)
2359 static route_extended_t none_get_bypass_route(routing_component_t rc,
2366 static void none_finalize(routing_component_t rc)
2371 static void none_set_processing_unit(routing_component_t rc,
2376 static void none_set_autonomous_system(routing_component_t rc,
2381 /* Creation routing model functions */
2382 static void *model_none_create(void)
2384 routing_component_none_t new_component =
2385 xbt_new0(s_routing_component_none_t, 1);
2386 new_component->generic_routing.set_processing_unit =
2387 none_set_processing_unit;
2388 new_component->generic_routing.set_autonomous_system =
2389 none_set_autonomous_system;
2390 new_component->generic_routing.set_route = NULL;
2391 new_component->generic_routing.set_ASroute = NULL;
2392 new_component->generic_routing.set_bypassroute = NULL;
2393 new_component->generic_routing.get_route = none_get_route;
2394 new_component->generic_routing.get_onelink_routes =
2395 none_get_onelink_routes;
2396 new_component->generic_routing.get_bypass_route = none_get_bypass_route;
2397 new_component->generic_routing.finalize = none_finalize;
2398 return new_component;
2401 static void model_none_load(void)
2405 static void model_none_unload(void)
2409 static void model_none_end(void)
2413 /* ************************************************** */
2414 /* ********** PATERN FOR NEW ROUTING **************** */
2416 /* The minimal configuration of a new routing model need the next functions,
2417 * also you need to set at the start of the file, the new model in the model
2418 * list. Remember keep the null ending of the list.
2420 /*** Routing model structure ***/
2422 // s_routing_component_t generic_routing;
2423 // /* things that your routing model need */
2424 // } s_routing_component_NEW_t,*routing_component_NEW_t;
2426 /*** Parse routing model functions ***/
2427 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
2428 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
2429 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
2430 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
2431 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
2433 /*** Business methods ***/
2434 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2435 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2436 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
2438 /*** Creation routing model functions ***/
2439 // static void* model_NEW_create(void) {
2440 // routing_component_NEW_t new_component = xbt_new0(s_routing_component_NEW_t,1);
2441 // new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
2442 // new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
2443 // new_component->generic_routing.set_route = model_NEW_set_route;
2444 // new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
2445 // new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
2446 // new_component->generic_routing.get_route = NEW_get_route;
2447 // new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
2448 // new_component->generic_routing.finalize = NEW_finalize;
2449 // /* initialization of internal structures */
2450 // return new_component;
2451 // } /* mandatory */
2452 // static void model_NEW_load(void) {} /* mandatory */
2453 // static void model_NEW_unload(void) {} /* mandatory */
2454 // static void model_NEW_end(void) {} /* mandatory */
2456 /* ************************************************************************** */
2457 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
2459 static void generic_set_processing_unit(routing_component_t rc,
2462 DEBUG1("Load process unit \"%s\"", name);
2463 int *id = xbt_new0(int, 1);
2464 xbt_dict_t _to_index;
2465 _to_index = current_routing->to_index;
2466 *id = xbt_dict_length(_to_index);
2467 xbt_dict_set(_to_index, name, id, xbt_free);
2470 static void generic_set_autonomous_system(routing_component_t rc,
2473 DEBUG1("Load Autonomous system \"%s\"", name);
2474 int *id = xbt_new0(int, 1);
2475 xbt_dict_t _to_index;
2476 _to_index = current_routing->to_index;
2477 *id = xbt_dict_length(_to_index);
2478 xbt_dict_set(_to_index, name, id, xbt_free);
2481 static void generic_set_route(routing_component_t rc, const char *src,
2482 const char *dst, route_t route)
2484 DEBUG2("Load Route from \"%s\" to \"%s\"", src, dst);
2485 xbt_dict_t _parse_routes;
2486 xbt_dict_t _to_index;
2488 int *src_id, *dst_id;
2489 unsigned long nb_links = xbt_dynar_length(route->link_list);
2491 _to_index = current_routing->to_index;
2493 _parse_routes = current_routing->parse_routes;
2495 src_id = xbt_dict_get_or_null(_to_index, src);
2496 dst_id = xbt_dict_get_or_null(_to_index, dst);
2499 && dst_id, "Network elements %s or %s not found", src, dst);
2500 route_name = bprintf("%d#%d", *src_id, *dst_id);
2502 xbt_assert2(xbt_dynar_length(route->link_list) > 0,
2503 "Invalid count of links, must be greater than zero (%s,%s)",
2505 xbt_assert2(!xbt_dict_get_or_null(_parse_routes, route_name),
2506 "The route between \"%s\" and \"%s\" already exist", src,
2509 xbt_dict_set(_parse_routes, route_name, route, NULL);
2510 xbt_free(route_name);
2512 if(A_surfxml_route_symetrical == A_surfxml_route_symetrical_YES)
2515 route_t route_sym = xbt_new0(s_route_t, 1);
2516 route_sym->link_list = xbt_dynar_new(sizeof(char *),NULL);
2517 for(i=nb_links ; i>0 ; i--)
2519 char *link_name = xbt_new0(char,strlen(xbt_dynar_get_as(route->link_list, i-1, char *)));
2520 link_name = bprintf("%s",xbt_dynar_get_as(route->link_list, i-1, char *));
2521 xbt_dynar_push_as(route_sym->link_list ,char *, link_name);
2523 DEBUG2("Load Route from \"%s\" to \"%s\"", dst, src);
2524 xbt_dict_set(_parse_routes, bprintf("%d#%d",*dst_id, *src_id), route_sym, NULL);
2528 static void generic_set_ASroute(routing_component_t rc, const char *src,
2529 const char *dst, route_extended_t e_route)
2531 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
2532 e_route->src_gateway, dst, e_route->dst_gateway);
2534 xbt_dict_t _parse_routes;
2535 xbt_dict_t _to_index;
2537 int *src_id, *dst_id;
2538 _to_index = current_routing->to_index;
2539 _parse_routes = current_routing->parse_routes;
2542 src_id = xbt_dict_get_or_null(_to_index, src);
2543 dst_id = xbt_dict_get_or_null(_to_index, dst);
2546 && dst_id, "Network elements %s or %s not found", src, dst);
2547 route_name = bprintf("%d#%d", *src_id, *dst_id);
2549 xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
2550 "Invalid count of links, must be greater than zero (%s,%s)",
2552 xbt_assert4(!xbt_dict_get_or_null(_parse_routes, route_name),
2553 "The route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",
2554 src, e_route->src_gateway, dst, e_route->dst_gateway);
2556 xbt_dict_set(_parse_routes, route_name, e_route, NULL);
2557 xbt_free(route_name);
2559 unsigned long nb_links = xbt_dynar_length(e_route->generic_route.link_list);
2560 if(A_surfxml_ASroute_symetrical == A_surfxml_ASroute_symetrical_YES)
2563 route_extended_t route_sym = xbt_new0(s_route_extended_t, 1);
2564 route_sym->generic_route.link_list = xbt_dynar_new(sizeof(char *),NULL);
2565 for(i=nb_links ; i>0 ; i--)
2567 char *link_name = xbt_new0(char,strlen(xbt_dynar_get_as(e_route->generic_route.link_list, i-1, char *)));
2568 link_name = bprintf("%s",xbt_dynar_get_as(e_route->generic_route.link_list, i-1, char *));
2569 xbt_dynar_push_as(route_sym->generic_route.link_list ,char *, link_name);
2571 route_sym->src_gateway = xbt_new0( char,strlen(e_route->dst_gateway) );
2572 route_sym->src_gateway = bprintf("%s",e_route->dst_gateway);
2573 route_sym->dst_gateway = xbt_new0( char,strlen(e_route->src_gateway) );
2574 route_sym->dst_gateway = bprintf("%s",e_route->src_gateway);
2575 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"",dst, route_sym->src_gateway,src,route_sym->dst_gateway);
2576 xbt_dict_set(_parse_routes, bprintf("%d#%d", *dst_id, *src_id), route_sym, NULL);
2580 static void generic_set_bypassroute(routing_component_t rc,
2581 const char *src, const char *dst,
2582 route_extended_t e_route)
2584 DEBUG2("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
2585 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
2588 route_name = bprintf("%s#%s", src, dst);
2589 xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
2590 "Invalid count of links, must be greater than zero (%s,%s)",
2592 xbt_assert4(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
2593 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",
2594 src, e_route->src_gateway, dst, e_route->dst_gateway);
2596 route_extended_t new_e_route =
2597 generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
2598 xbt_dynar_free(&(e_route->generic_route.link_list));
2601 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
2602 (void (*)(void *)) generic_free_extended_route);
2603 xbt_free(route_name);
2606 /* ************************************************************************** */
2607 /* *********************** GENERIC BUSINESS METHODS ************************* */
2609 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
2611 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
2614 static route_extended_t generic_get_bypassroute(routing_component_t rc,
2618 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
2619 routing_component_t src_as, dst_as;
2620 int index_src, index_dst;
2621 xbt_dynar_t path_src = NULL;
2622 xbt_dynar_t path_dst = NULL;
2623 routing_component_t current = NULL;
2624 routing_component_t *current_src = NULL;
2625 routing_component_t *current_dst = NULL;
2627 /* (1) find the as where the src and dst are located */
2628 src_as = ((network_element_info_t)
2629 xbt_dict_get_or_null(global_routing->where_network_elements,
2630 src))->rc_component;
2631 dst_as = ((network_element_info_t)
2632 xbt_dict_get_or_null(global_routing->where_network_elements,
2633 dst))->rc_component;
2636 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
2639 /* (2) find the path to the root routing component */
2640 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
2642 while (current != NULL) {
2643 xbt_dynar_push(path_src, ¤t);
2644 current = current->routing_father;
2646 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
2648 while (current != NULL) {
2649 xbt_dynar_push(path_dst, ¤t);
2650 current = current->routing_father;
2653 /* (3) find the common father */
2654 index_src = (path_src->used) - 1;
2655 index_dst = (path_dst->used) - 1;
2656 current_src = xbt_dynar_get_ptr(path_src, index_src);
2657 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
2658 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
2659 routing_component_t *tmp_src, *tmp_dst;
2660 tmp_src = xbt_dynar_pop_ptr(path_src);
2661 tmp_dst = xbt_dynar_pop_ptr(path_dst);
2664 current_src = xbt_dynar_get_ptr(path_src, index_src);
2665 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
2668 int max_index_src = (path_src->used) - 1;
2669 int max_index_dst = (path_dst->used) - 1;
2671 int max_index = max(max_index_src, max_index_dst);
2674 route_extended_t e_route_bypass = NULL;
2676 for (max = 0; max <= max_index; max++) {
2677 for (i = 0; i < max; i++) {
2678 if (i <= max_index_src && max <= max_index_dst) {
2679 char *route_name = bprintf("%s#%s",
2680 (*(routing_component_t *)
2682 (path_src, i)))->name,
2683 (*(routing_component_t *)
2685 (path_dst, max)))->name);
2687 xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2688 xbt_free(route_name);
2692 if (max <= max_index_src && i <= max_index_dst) {
2693 char *route_name = bprintf("%s#%s",
2694 (*(routing_component_t *)
2696 (path_src, max)))->name,
2697 (*(routing_component_t *)
2699 (path_dst, i)))->name);
2701 xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2702 xbt_free(route_name);
2711 if (max <= max_index_src && max <= max_index_dst) {
2712 char *route_name = bprintf("%s#%s",
2713 (*(routing_component_t *)
2715 (path_src, max)))->name,
2716 (*(routing_component_t *)
2718 (path_dst, max)))->name);
2719 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2720 xbt_free(route_name);
2726 xbt_dynar_free(&path_src);
2727 xbt_dynar_free(&path_dst);
2729 route_extended_t new_e_route = NULL;
2731 if (e_route_bypass) {
2733 unsigned int cpt = 0;
2734 new_e_route = xbt_new0(s_route_extended_t, 1);
2735 new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
2736 new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
2737 new_e_route->generic_route.link_list =
2738 xbt_dynar_new(global_routing->size_of_link, NULL);
2739 xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
2740 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
2747 /* ************************************************************************** */
2748 /* ************************* GENERIC AUX FUNCTIONS ************************** */
2750 static route_extended_t
2751 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
2752 void *data, int order)
2756 route_extended_t e_route, new_e_route;
2759 xbt_dynar_t links = NULL, links_id = NULL;
2761 new_e_route = xbt_new0(s_route_extended_t, 1);
2762 new_e_route->generic_route.link_list =
2763 xbt_dynar_new(global_routing->size_of_link, NULL);
2764 new_e_route->src_gateway = NULL;
2765 new_e_route->dst_gateway = NULL;
2767 xbt_assert0(hierarchy == SURF_ROUTING_BASE
2768 || hierarchy == SURF_ROUTING_RECURSIVE,
2769 "the hierarchy type is not defined");
2771 if (hierarchy == SURF_ROUTING_BASE) {
2773 route = (route_t) data;
2774 links = route->link_list;
2776 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
2778 e_route = (route_extended_t) data;
2779 xbt_assert0(e_route->src_gateway
2780 && e_route->dst_gateway, "bad gateway, is null");
2781 links = e_route->generic_route.link_list;
2783 /* remeber not erase the gateway names */
2784 new_e_route->src_gateway = e_route->src_gateway;
2785 new_e_route->dst_gateway = e_route->dst_gateway;
2788 links_id = new_e_route->generic_route.link_list;
2790 xbt_dynar_foreach(links, cpt, link_name) {
2793 xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
2796 xbt_dynar_push(links_id, &link);
2798 xbt_dynar_unshift(links_id, &link);
2800 THROW1(mismatch_error, 0, "Link %s not found", link_name);
2806 static void generic_free_route(route_t route)
2809 xbt_dynar_free(&(route->link_list));
2814 static void generic_free_extended_route(route_extended_t e_route)
2817 xbt_dynar_free(&(e_route->generic_route.link_list));
2818 if (e_route->src_gateway)
2819 xbt_free(e_route->src_gateway);
2820 if (e_route->dst_gateway)
2821 xbt_free(e_route->dst_gateway);
2826 static routing_component_t generic_as_exist(routing_component_t find_from,
2827 routing_component_t to_find)
2829 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
2830 xbt_dict_cursor_t cursor = NULL;
2833 routing_component_t elem;
2834 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
2835 if (to_find == elem || generic_as_exist(elem, to_find)) {
2845 static routing_component_t
2846 generic_autonomous_system_exist(routing_component_t rc, char *element)
2848 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
2849 routing_component_t element_as, result, elem;
2850 xbt_dict_cursor_t cursor = NULL;
2852 element_as = ((network_element_info_t)
2853 xbt_dict_get_or_null
2854 (global_routing->where_network_elements,
2855 element))->rc_component;
2856 result = ((routing_component_t) - 1);
2857 if (element_as != rc)
2858 result = generic_as_exist(rc, element_as);
2862 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
2863 found = !strcmp(elem->name, element);
2873 static routing_component_t
2874 generic_processing_units_exist(routing_component_t rc, char *element)
2876 routing_component_t element_as;
2877 element_as = ((network_element_info_t)
2878 xbt_dict_get_or_null
2879 (global_routing->where_network_elements,
2880 element))->rc_component;
2881 if (element_as == rc)
2883 return generic_as_exist(rc, element_as);
2886 static void generic_src_dst_check(routing_component_t rc, const char *src,
2890 routing_component_t src_as = ((network_element_info_t)
2891 xbt_dict_get_or_null
2892 (global_routing->where_network_elements,
2893 src))->rc_component;
2894 routing_component_t dst_as = ((network_element_info_t)
2895 xbt_dict_get_or_null
2896 (global_routing->where_network_elements,
2897 dst))->rc_component;
2899 xbt_assert3(src_as != NULL && dst_as != NULL,
2900 "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
2901 src, dst, rc->name);
2902 xbt_assert4(src_as == dst_as,
2903 "The src(%s in %s) and dst(%s in %s) are in differents AS",
2904 src, src_as->name, dst, dst_as->name);
2905 xbt_assert2(rc == dst_as,
2906 "The routing component of src and dst is not the same as the network elements belong (%s==%s)",
2907 rc->name, dst_as->name);
2910 static void parse_Sconfig(void)
2913 DEBUG0("WARNING tag config not yet implemented.");
2916 static void routing_full_parse_Scluster(void)
2918 static int AX_ptr = 0;
2920 char *cluster_id = A_surfxml_cluster_id;
2921 char *cluster_prefix = A_surfxml_cluster_prefix;
2922 char *cluster_suffix = A_surfxml_cluster_suffix;
2923 char *cluster_radical = A_surfxml_cluster_radical;
2924 char *cluster_power = A_surfxml_cluster_power;
2925 char *cluster_bw = A_surfxml_cluster_bw;
2926 char *cluster_lat = A_surfxml_cluster_lat;
2927 char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
2928 char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
2929 char *host_id, *groups, *link_id = NULL;
2930 char *router_id, *link_router, *link_backbone, *route_src_dst;
2933 xbt_dynar_t radical_elements;
2934 xbt_dynar_t radical_ends;
2935 int cluster_sharing_policy = AX_surfxml_cluster_sharing_policy;
2937 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
2938 {DEBUG0("cluster with sharing_policy FULLDUPLEX");}
2939 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_SHARED)
2940 {DEBUG0("cluster with sharing_policy SHARED");}
2942 #ifndef HAVE_PCRE_LIB
2943 xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
2944 char *route_src, *route_dst;
2948 static unsigned int surfxml_buffer_stack_stack_ptr = 1;
2949 static unsigned int surfxml_buffer_stack_stack[1024];
2951 surfxml_buffer_stack_stack[0] = 0;
2953 surfxml_bufferstack_push(1);
2955 SURFXML_BUFFER_SET(AS_id, cluster_id);
2956 #ifdef HAVE_PCRE_LIB
2957 SURFXML_BUFFER_SET(AS_routing, "RuleBased");
2958 DEBUG1("<AS id=\"%s\"\trouting=\"RuleBased\">", cluster_id);
2960 SURFXML_BUFFER_SET(AS_routing, "Full");
2961 DEBUG1("<AS id=\"%s\"\trouting=\"Full\">", cluster_id);
2963 SURFXML_START_TAG(AS);
2965 radical_elements = xbt_str_split(cluster_radical, ",");
2966 xbt_dynar_foreach(radical_elements, iter, groups) {
2967 radical_ends = xbt_str_split(groups, "-");
2968 switch (xbt_dynar_length(radical_ends)) {
2970 surf_parse_get_int(&start,
2971 xbt_dynar_get_as(radical_ends, 0, char *));
2972 host_id = bprintf("%s%d%s", cluster_prefix, start, cluster_suffix);
2973 #ifndef HAVE_PCRE_LIB
2974 xbt_dynar_push_as(tab_elements_num, int, start);
2976 link_id = bprintf("%s_link_%d", cluster_id, start);
2978 DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
2979 A_surfxml_host_state = A_surfxml_host_state_ON;
2980 SURFXML_BUFFER_SET(host_id, host_id);
2981 SURFXML_BUFFER_SET(host_power, cluster_power);
2982 SURFXML_BUFFER_SET(host_availability, "1.0");
2983 SURFXML_BUFFER_SET(host_availability_file, "");
2984 SURFXML_BUFFER_SET(host_state_file, "");
2985 SURFXML_START_TAG(host);
2986 SURFXML_END_TAG(host);
2988 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,cluster_bw, cluster_lat);
2989 A_surfxml_link_state = A_surfxml_link_state_ON;
2990 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2991 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
2992 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
2993 SURFXML_BUFFER_SET(link_id, link_id);
2994 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
2995 SURFXML_BUFFER_SET(link_latency, cluster_lat);
2996 SURFXML_BUFFER_SET(link_bandwidth_file, "");
2997 SURFXML_BUFFER_SET(link_latency_file, "");
2998 SURFXML_BUFFER_SET(link_state_file, "");
2999 SURFXML_START_TAG(link);
3000 SURFXML_END_TAG(link);
3006 surf_parse_get_int(&start,
3007 xbt_dynar_get_as(radical_ends, 0, char *));
3008 surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
3009 DEBUG2("Create hosts and links from %d to %d", start, end);
3010 for (i = start; i <= end; i++) {
3011 host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
3012 #ifndef HAVE_PCRE_LIB
3013 xbt_dynar_push_as(tab_elements_num, int, i);
3015 link_id = bprintf("%s_link_%d", cluster_id, i);
3017 DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
3018 A_surfxml_host_state = A_surfxml_host_state_ON;
3019 SURFXML_BUFFER_SET(host_id, host_id);
3020 SURFXML_BUFFER_SET(host_power, cluster_power);
3021 SURFXML_BUFFER_SET(host_availability, "1.0");
3022 SURFXML_BUFFER_SET(host_availability_file, "");
3023 SURFXML_BUFFER_SET(host_state_file, "");
3024 SURFXML_START_TAG(host);
3025 SURFXML_END_TAG(host);
3027 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,cluster_bw, cluster_lat);
3028 A_surfxml_link_state = A_surfxml_link_state_ON;
3029 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3030 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3031 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3032 SURFXML_BUFFER_SET(link_id, link_id);
3033 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3034 SURFXML_BUFFER_SET(link_latency, cluster_lat);
3035 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3036 SURFXML_BUFFER_SET(link_latency_file, "");
3037 SURFXML_BUFFER_SET(link_state_file, "");
3038 SURFXML_START_TAG(link);
3039 SURFXML_END_TAG(link);
3044 DEBUG0("Malformed radical");
3047 xbt_dynar_free(&radical_ends);
3052 bprintf("%s%s_router%s", cluster_prefix, cluster_id,
3054 link_router = bprintf("%s_link_%s_router", cluster_id, cluster_id);
3055 link_backbone = bprintf("%s_backbone", cluster_id);
3057 DEBUG1("<router id=\"%s\"/>", router_id);
3058 SURFXML_BUFFER_SET(router_id, router_id);;
3059 SURFXML_START_TAG(router);
3060 SURFXML_END_TAG(router);
3062 DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_router,cluster_bw, cluster_lat);
3063 A_surfxml_link_state = A_surfxml_link_state_ON;
3064 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3065 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3066 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3067 SURFXML_BUFFER_SET(link_id, link_router);
3068 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3069 SURFXML_BUFFER_SET(link_latency, cluster_lat);
3070 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3071 SURFXML_BUFFER_SET(link_latency_file, "");
3072 SURFXML_BUFFER_SET(link_state_file, "");
3073 SURFXML_START_TAG(link);
3074 SURFXML_END_TAG(link);
3076 DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_backbone,cluster_bw, cluster_lat);
3077 A_surfxml_link_state = A_surfxml_link_state_ON;
3078 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3079 SURFXML_BUFFER_SET(link_id, link_backbone);
3080 SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
3081 SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
3082 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3083 SURFXML_BUFFER_SET(link_latency_file, "");
3084 SURFXML_BUFFER_SET(link_state_file, "");
3085 SURFXML_START_TAG(link);
3086 SURFXML_END_TAG(link);
3088 char *new_suffix = bprintf("%s", "");
3090 radical_elements = xbt_str_split(cluster_suffix, ".");
3091 xbt_dynar_foreach(radical_elements, iter, groups) {
3092 if (strcmp(groups, "")) {
3093 new_suffix = bprintf("%s\\.%s", new_suffix, groups);
3096 route_src_dst = bprintf("%s(.*)%s", cluster_prefix, new_suffix);
3100 #ifdef HAVE_PCRE_LIB
3102 DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, route_src_dst);
3103 DEBUG0("symetrical=\"NO\">");
3104 SURFXML_BUFFER_SET(route_src, route_src_dst);
3105 SURFXML_BUFFER_SET(route_dst, route_src_dst);
3106 A_surfxml_route_symetrical = A_surfxml_route_symetrical_NO;
3107 SURFXML_START_TAG(route);
3109 DEBUG1("<link_ctn\tid=\"%s_link_$1src\"/>", cluster_id);
3110 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1src", cluster_id));
3111 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3112 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3113 SURFXML_START_TAG(link_ctn);
3114 SURFXML_END_TAG(link_ctn);
3116 DEBUG1("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
3117 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
3118 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3119 SURFXML_START_TAG(link_ctn);
3120 SURFXML_END_TAG(link_ctn);
3122 DEBUG1("<link_ctn\tid=\"%s_link_$1dst\"/>", cluster_id);
3123 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1dst", cluster_id));
3124 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3125 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3126 SURFXML_START_TAG(link_ctn);
3127 SURFXML_END_TAG(link_ctn);
3130 SURFXML_END_TAG(route);
3132 for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
3133 for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
3134 if (i == xbt_dynar_length(tab_elements_num)) {
3135 route_src = router_id;
3138 bprintf("%s%d%s", cluster_prefix,
3139 xbt_dynar_get_as(tab_elements_num, i, int),
3143 if (j == xbt_dynar_length(tab_elements_num)) {
3144 route_dst = router_id;
3147 bprintf("%s%d%s", cluster_prefix,
3148 xbt_dynar_get_as(tab_elements_num, j, int),
3152 DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src, route_dst);
3153 DEBUG0("symetrical=\"NO\">");
3154 SURFXML_BUFFER_SET(route_src, route_src);
3155 SURFXML_BUFFER_SET(route_dst, route_dst);
3156 A_surfxml_route_symetrical = A_surfxml_route_symetrical_NO;
3157 SURFXML_START_TAG(route);
3159 if (i == xbt_dynar_length(tab_elements_num)) {
3160 route_src = link_router;
3163 bprintf("%s_link_%d", cluster_id,
3164 xbt_dynar_get_as(tab_elements_num, i, int));
3167 if (j == xbt_dynar_length(tab_elements_num)) {
3168 route_dst = link_router;
3171 bprintf("%s_link_%d", cluster_id,
3172 xbt_dynar_get_as(tab_elements_num, j, int));
3175 DEBUG1("<link_ctn\tid=\"%s\"/>", route_src);
3176 SURFXML_BUFFER_SET(link_ctn_id, route_src);
3177 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3178 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3179 SURFXML_START_TAG(link_ctn);
3180 SURFXML_END_TAG(link_ctn);
3182 DEBUG1("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
3183 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
3184 SURFXML_START_TAG(link_ctn);
3185 SURFXML_END_TAG(link_ctn);
3187 DEBUG1("<link_ctn\tid=\"%s\"/>", route_dst);
3188 SURFXML_BUFFER_SET(link_ctn_id, route_dst);
3189 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3190 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3191 SURFXML_START_TAG(link_ctn);
3192 SURFXML_END_TAG(link_ctn);
3195 SURFXML_END_TAG(route);
3198 xbt_dynar_free(&tab_elements_num);
3202 SURFXML_END_TAG(AS);
3205 surfxml_bufferstack_pop(1);
3209 * New methods to init the routing model component from the lua script
3213 * calling parse_S_AS_lua with lua values
3215 void routing_AS_init(const char *AS_id, const char *AS_routing)
3217 parse_S_AS_lua((char *) AS_id, (char *) AS_routing);
3221 * calling parse_E_AS_lua to fisnish the creation of routing component
3223 void routing_AS_end(const char *AS_id)
3225 parse_E_AS_lua((char *) AS_id);
3229 * add a host to the network element list
3232 void routing_add_host(const char *host_id)
3234 parse_S_host_lua((char *) host_id);
3238 * Set a new link on the actual list of link for a route or ASroute
3240 void routing_add_link(const char *link_id)
3242 parse_E_link_c_ctn_new_elem_lua((char *) link_id);
3246 *Set the endpoints for a route
3248 void routing_set_route(const char *src_id, const char *dst_id)
3250 parse_S_route_new_and_endpoints_lua((char *) src_id, (char *) dst_id);
3254 * Store the route by calling parse_E_route_store_route
3256 void routing_store_route(void)
3258 parse_E_route_store_route();