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 */
60 static void parse_Econfig(void); /*config Tag */
62 /* this lines are only for replace use like index in the model table */
67 SURF_MODEL_DIJKSTRACACHE,
75 /* must be finish with null and carefull if change de order */
76 struct s_model_type routing_models[] = { {"Full",
77 "Full routing data (fast, large memory requirements, fully expressive)",
83 "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
84 model_floyd_create, model_floyd_load, model_floyd_unload,
87 "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
88 model_dijkstra_create, model_dijkstra_both_load,
89 model_dijkstra_both_unload, model_dijkstra_both_end},
91 "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
92 model_dijkstracache_create, model_dijkstra_both_load,
93 model_dijkstra_both_unload, model_dijkstra_both_end},
94 {"none", "No routing (usable with Constant network only)",
95 model_none_create, model_none_load, model_none_unload, model_none_end},
97 {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create,
98 model_rulebased_load, model_rulebased_unload, model_rulebased_end},
100 {NULL, NULL, NULL, NULL, NULL, NULL}
103 /* ************************************************************************** */
104 /* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
106 static void generic_set_processing_unit(routing_component_t rc,
108 static void generic_set_autonomous_system(routing_component_t rc,
110 static void generic_set_route(routing_component_t rc, const char *src,
111 const char *dst, route_t route);
112 static void generic_set_ASroute(routing_component_t rc, const char *src,
113 const char *dst, route_extended_t e_route);
114 static void generic_set_bypassroute(routing_component_t rc,
115 const char *src, const char *dst,
116 route_extended_t e_route);
118 /* ************************************************************************** */
119 /* *************** GENERIC BUSINESS METHODS (declarations) ****************** */
121 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc);
122 static route_extended_t generic_get_bypassroute(routing_component_t rc,
126 /* ************************************************************************** */
127 /* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
129 static route_extended_t
130 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
131 void *data, int order);
132 static void generic_free_route(route_t route);
133 static void generic_free_extended_route(route_extended_t e_route);
134 static routing_component_t
135 generic_autonomous_system_exist(routing_component_t rc, char *element);
136 static routing_component_t
137 generic_processing_units_exist(routing_component_t rc, char *element);
138 static void generic_src_dst_check(routing_component_t rc, const char *src,
141 /* ************************************************************************** */
142 /* **************************** GLOBAL FUNCTIONS **************************** */
144 /* global parse functions */
145 static char *src = NULL; /* temporary store the source name of a route */
146 static char *dst = NULL; /* temporary store the destination name of a route */
147 static char *gw_src = NULL; /* temporary store the gateway source name of a route */
148 static char *gw_dst = NULL; /* temporary store the gateway destination name of a route */
149 static xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */
151 * \brief Add a "host" to the network element list
153 static void parse_S_host(char *host_id)
155 network_element_info_t info = NULL;
156 if (current_routing->hierarchy == SURF_ROUTING_NULL)
157 current_routing->hierarchy = SURF_ROUTING_BASE;
158 xbt_assert1(!xbt_dict_get_or_null
159 (global_routing->where_network_elements, host_id),
160 "Reading a host, processing unit \"%s\" already exist",
162 xbt_assert1(current_routing->set_processing_unit,
163 "no defined method \"set_processing_unit\" in \"%s\"",
164 current_routing->name);
165 (*(current_routing->set_processing_unit)) (current_routing, host_id);
166 info = xbt_new0(s_network_element_info_t, 1);
167 info->rc_component = current_routing;
168 info->rc_type = SURF_NETWORK_ELEMENT_HOST;
169 xbt_dict_set(global_routing->where_network_elements, host_id,
170 (void *) info, NULL);
174 * \brief Add a host to the network element list from XML
176 static void parse_S_host_XML(void)
178 parse_S_host(A_surfxml_host_id);
182 * \brief Add a host to the network element list from lua script
184 static void parse_S_host_lua(char *host_id)
186 parse_S_host(host_id);
194 * \brief Add a "router" to the network element list
196 static void parse_S_router(void)
198 network_element_info_t info = NULL;
200 if (current_routing->hierarchy == SURF_ROUTING_NULL)
201 current_routing->hierarchy = SURF_ROUTING_BASE;
202 xbt_assert1(!xbt_dict_get_or_null
203 (global_routing->where_network_elements,
204 A_surfxml_router_id),
205 "Reading a router, processing unit \"%s\" already exist",
206 A_surfxml_router_id);
207 xbt_assert1(current_routing->set_processing_unit,
208 "no defined method \"set_processing_unit\" in \"%s\"",
209 current_routing->name);
210 (*(current_routing->set_processing_unit)) (current_routing,
211 A_surfxml_router_id);
212 info = xbt_new0(s_network_element_info_t, 1);
213 info->rc_component = current_routing;
214 info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
215 xbt_dict_set(global_routing->where_network_elements, A_surfxml_router_id,
216 (void *) info, NULL);
218 TRACE_surf_host_declaration(A_surfxml_router_id, 0);
223 * \brief Set the endponints for a route
225 static void parse_S_route_new_and_endpoints(char *src_id, char *dst_id)
227 if (src != NULL && dst != NULL && link_list != NULL)
228 THROW2(arg_error, 0, "Route between %s to %s can not be defined",
232 xbt_assert2(strlen(src) > 0 || strlen(dst) > 0,
233 "Some limits are null in the route between \"%s\" and \"%s\"",
235 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
239 * \breif Set the endpoints for a route from XML
241 static void parse_S_route_new_and_endpoints_XML(void)
243 parse_S_route_new_and_endpoints(A_surfxml_route_src,
244 A_surfxml_route_dst);
248 * \breif Set the endpoints for a route from lua
250 static void parse_S_route_new_and_endpoints_lua(char *id_src, char *id_dst)
252 parse_S_route_new_and_endpoints(id_src, id_dst);
256 * \brief Set the endponints and gateways for a ASroute
258 static void parse_S_ASroute_new_and_endpoints(void)
260 if (src != NULL && dst != NULL && link_list != NULL)
261 THROW2(arg_error, 0, "Route between %s to %s can not be defined",
262 A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
263 src = A_surfxml_ASroute_src;
264 dst = A_surfxml_ASroute_dst;
265 gw_src = A_surfxml_ASroute_gw_src;
266 gw_dst = A_surfxml_ASroute_gw_dst;
267 xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
268 || strlen(gw_dst) > 0,
269 "Some limits are null in the route between \"%s\" and \"%s\"",
271 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
275 * \brief Set the endponints for a bypassRoute
277 static void parse_S_bypassRoute_new_and_endpoints(void)
279 if (src != NULL && dst != NULL && link_list != NULL)
281 "Bypass Route between %s to %s can not be defined",
282 A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
283 src = A_surfxml_bypassRoute_src;
284 dst = A_surfxml_bypassRoute_dst;
285 gw_src = A_surfxml_bypassRoute_gw_src;
286 gw_dst = A_surfxml_bypassRoute_gw_dst;
287 xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
288 || strlen(gw_dst) > 0,
289 "Some limits are null in the route between \"%s\" and \"%s\"",
291 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
295 * \brief Set a new link on the actual list of link for a route or ASroute
297 static void parse_E_link_ctn_new_elem(char *link_id)
300 val = xbt_strdup(link_id);
301 xbt_dynar_push(link_list, &val);
305 * \brief Set a new link on the actual list of link for a route or ASroute from XML
308 static void parse_E_link_ctn_new_elem_XML(void)
310 if( A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_NONE)
311 parse_E_link_ctn_new_elem(A_surfxml_link_ctn_id);
312 if( A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_UP)
313 parse_E_link_ctn_new_elem(bprintf("%s_UP",A_surfxml_link_ctn_id));
314 if( A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_DOWN)
315 parse_E_link_ctn_new_elem(bprintf("%s_DOWN",A_surfxml_link_ctn_id));
319 * \brief Set a new link on the actual list of link for a route or ASroute from lua
321 static void parse_E_link_c_ctn_new_elem_lua(char *link_id)
323 parse_E_link_ctn_new_elem(link_id);
327 * \brief Store the route by calling the set_route function of the current routing component
329 static void parse_E_route_store_route(void)
331 route_t route = xbt_new0(s_route_t, 1);
332 route->link_list = link_list;
333 //xbt_assert1(generic_processing_units_exist(current_routing,src),"the \"%s\" processing units gateway does not exist",src);
334 //xbt_assert1(generic_processing_units_exist(current_routing,dst),"the \"%s\" processing units gateway does not exist",dst);
335 xbt_assert1(current_routing->set_route,
336 "no defined method \"set_route\" in \"%s\"",
337 current_routing->name);
338 (*(current_routing->set_route)) (current_routing, src, dst, route);
345 * \brief Store the ASroute by calling the set_ASroute function of the current routing component
347 static void parse_E_ASroute_store_route(void)
349 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
350 e_route->generic_route.link_list = link_list;
351 e_route->src_gateway = xbt_strdup(gw_src);
352 e_route->dst_gateway = xbt_strdup(gw_dst);
353 // xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
354 // xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
355 // xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
356 // xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
357 xbt_assert1(current_routing->set_ASroute,
358 "no defined method \"set_ASroute\" in \"%s\"",
359 current_routing->name);
360 (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
369 * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
371 static void parse_E_bypassRoute_store_route(void)
373 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
374 e_route->generic_route.link_list = link_list;
375 e_route->src_gateway = xbt_strdup(gw_src);
376 e_route->dst_gateway = xbt_strdup(gw_dst);
377 // xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
378 // xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
379 // xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
380 // xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
381 xbt_assert1(current_routing->set_bypassroute,
382 "no defined method \"set_bypassroute\" in \"%s\"",
383 current_routing->name);
384 (*(current_routing->set_bypassroute)) (current_routing, src, dst,
394 * \brief Make a new routing component
396 * make the new structure and
397 * set the parsing functions to allows parsing the part of the routing tree
399 static void parse_S_AS(char *AS_id, char *AS_routing)
401 routing_component_t new_routing;
402 model_type_t model = NULL;
403 char *wanted = AS_routing;
405 /* seach the routing model */
406 for (cpt = 0; routing_models[cpt].name; cpt++)
407 if (!strcmp(wanted, routing_models[cpt].name))
408 model = &routing_models[cpt];
409 /* if its not exist, error */
411 fprintf(stderr, "Routing model %s not found. Existing models:\n",
413 for (cpt = 0; routing_models[cpt].name; cpt++)
414 if (!strcmp(wanted, routing_models[cpt].name))
415 fprintf(stderr, " %s: %s\n", routing_models[cpt].name,
416 routing_models[cpt].desc);
420 /* make a new routing component */
421 new_routing = (routing_component_t) (*(model->create)) ();
422 new_routing->routing = model;
423 new_routing->hierarchy = SURF_ROUTING_NULL;
424 new_routing->name = xbt_strdup(AS_id);
425 new_routing->routing_sons = xbt_dict_new();
426 //INFO2("Routing %s for AS %s",A_surfxml_AS_routing,A_surfxml_AS_id);
428 if (current_routing == NULL && global_routing->root == NULL) {
430 /* it is the first one */
431 new_routing->routing_father = NULL;
432 global_routing->root = new_routing;
434 } else if (current_routing != NULL && global_routing->root != NULL) {
436 xbt_assert1(!xbt_dict_get_or_null
437 (current_routing->routing_sons, AS_id),
438 "The AS \"%s\" already exist", AS_id);
439 /* it is a part of the tree */
440 new_routing->routing_father = current_routing;
441 /* set the father behavior */
442 if (current_routing->hierarchy == SURF_ROUTING_NULL)
443 current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
444 /* add to the sons dictionary */
445 xbt_dict_set(current_routing->routing_sons, AS_id,
446 (void *) new_routing, NULL);
447 /* add to the father element list */
448 (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
449 /* unload the prev parse rules */
450 (*(current_routing->routing->unload)) ();
453 THROW0(arg_error, 0, "All defined components must be belong to a AS");
455 /* set the new parse rules */
456 (*(new_routing->routing->load)) ();
457 /* set the new current component of the tree */
458 current_routing = new_routing;
462 * Detect the routing model type of the routing component from XML platforms
464 static void parse_S_AS_XML(void)
466 parse_S_AS(A_surfxml_AS_id, A_surfxml_AS_routing);
470 * define the routing model type of routing component from lua script
472 static void parse_S_AS_lua(char *id, char *mode)
474 parse_S_AS(id, mode);
479 * \brief Finish the creation of a new routing component
481 * When you finish to read the routing component, other structures must be created.
482 * the "end" method allow to do that for any routing model type
484 static void parse_E_AS(char *AS_id)
487 if (current_routing == NULL) {
488 THROW1(arg_error, 0, "Close AS(%s), that never open", AS_id);
490 network_element_info_t info = NULL;
491 xbt_assert1(!xbt_dict_get_or_null
492 (global_routing->where_network_elements,
493 current_routing->name), "The AS \"%s\" already exist",
494 current_routing->name);
495 info = xbt_new0(s_network_element_info_t, 1);
496 info->rc_component = current_routing->routing_father;
497 info->rc_type = SURF_NETWORK_ELEMENT_AS;
498 xbt_dict_set(global_routing->where_network_elements,
499 current_routing->name, info, NULL);
500 (*(current_routing->routing->unload)) ();
501 (*(current_routing->routing->end)) ();
502 current_routing = current_routing->routing_father;
503 if (current_routing != NULL)
504 (*(current_routing->routing->load)) ();
509 * \brief Finish the creation of a new routing component from XML
511 static void parse_E_AS_XML(void)
513 parse_E_AS(A_surfxml_AS_id);
517 * \brief Finish the creation of a new routing component from lua
519 static void parse_E_AS_lua(char *id)
524 /* Aux Business methods */
527 * \brief Get the AS father and the first elements of the chain
529 * \param src the source host name
530 * \param dst the destination host name
532 * Get the common father of the to processing units, and the first different
533 * father in the chain
535 static xbt_dynar_t elements_father(const char *src, const char *dst)
538 xbt_assert0(src && dst, "bad parameters for \"elements_father\" method");
540 xbt_dynar_t result = xbt_dynar_new(sizeof(char *), NULL);
542 routing_component_t src_as, dst_as;
543 int index_src, index_dst, index_father_src, index_father_dst;
544 xbt_dynar_t path_src = NULL;
545 xbt_dynar_t path_dst = NULL;
546 routing_component_t current = NULL;
547 routing_component_t *current_src = NULL;
548 routing_component_t *current_dst = NULL;
549 routing_component_t *father = NULL;
551 /* (1) find the as where the src and dst are located */
552 src_as = ((network_element_info_t)
553 xbt_dict_get_or_null(global_routing->where_network_elements,
555 dst_as = ((network_element_info_t)
556 xbt_dict_get_or_null(global_routing->where_network_elements,
560 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
563 /* (2) find the path to the root routing component */
564 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
566 while (current != NULL) {
567 xbt_dynar_push(path_src, ¤t);
568 current = current->routing_father;
570 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
572 while (current != NULL) {
573 xbt_dynar_push(path_dst, ¤t);
574 current = current->routing_father;
577 /* (3) find the common father */
578 index_src = (path_src->used) - 1;
579 index_dst = (path_dst->used) - 1;
580 current_src = xbt_dynar_get_ptr(path_src, index_src);
581 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
582 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
583 current_src = xbt_dynar_get_ptr(path_src, index_src);
584 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
590 current_src = xbt_dynar_get_ptr(path_src, index_src);
591 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
593 /* (4) they are not in the same routing component, make the path */
594 index_father_src = index_src + 1;
595 index_father_dst = index_dst + 1;
597 if (*current_src == *current_dst)
598 father = current_src;
600 father = xbt_dynar_get_ptr(path_src, index_father_src);
602 /* (5) result generation */
603 xbt_dynar_push(result, father); /* first same the father of src and dst */
604 xbt_dynar_push(result, current_src); /* second the first different father of src */
605 xbt_dynar_push(result, current_dst); /* three the first different father of dst */
607 xbt_dynar_free(&path_src);
608 xbt_dynar_free(&path_dst);
613 /* Global Business methods */
616 * \brief Recursive function for get_route
618 * \param src the source host name
619 * \param dst the destination host name
621 * This fuction is call by "get_route". It allow to walk through the
622 * routing components tree.
624 static route_extended_t _get_route(const char *src, const char *dst)
628 unsigned int cpt = 0;
630 DEBUG2("Solve route \"%s\" to \"%s\"", src, dst);
632 xbt_assert0(src && dst, "bad parameters for \"_get_route\" method");
634 route_extended_t e_route, e_route_cnt, e_route_src = NULL, e_route_dst =
637 xbt_dynar_t elem_father_list = elements_father(src, dst);
639 routing_component_t common_father =
640 xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
641 routing_component_t src_father =
642 xbt_dynar_get_as(elem_father_list, 1, routing_component_t);
643 routing_component_t dst_father =
644 xbt_dynar_get_as(elem_father_list, 2, routing_component_t);
646 e_route = xbt_new0(s_route_extended_t, 1);
647 e_route->src_gateway = NULL;
648 e_route->dst_gateway = NULL;
649 e_route->generic_route.link_list =
650 xbt_dynar_new(global_routing->size_of_link, NULL);
652 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
654 if (strcmp(src, dst)) {
656 (*(common_father->get_route)) (common_father, src, dst);
657 xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"", src,
659 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
660 xbt_dynar_push(e_route->generic_route.link_list, &link);
662 generic_free_extended_route(e_route_cnt);
665 } else { /* SURF_ROUTING_RECURSIVE */
667 route_extended_t e_route_bypass = NULL;
669 if (common_father->get_bypass_route)
671 (*(common_father->get_bypass_route)) (common_father, src, dst);
674 e_route_cnt = e_route_bypass;
677 (*(common_father->get_route)) (common_father, src_father->name,
680 xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"",
681 src_father->name, dst_father->name);
683 xbt_assert2((e_route_cnt->src_gateway == NULL) ==
684 (e_route_cnt->dst_gateway == NULL),
685 "bad gateway for route between \"%s\" and \"%s\"", src,
688 if (src != e_route_cnt->src_gateway) {
689 e_route_src = _get_route(src, e_route_cnt->src_gateway);
690 xbt_assert2(e_route_src, "no route between \"%s\" and \"%s\"", src,
691 e_route_cnt->src_gateway);
692 xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
693 xbt_dynar_push(e_route->generic_route.link_list, &link);
697 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
698 xbt_dynar_push(e_route->generic_route.link_list, &link);
701 if (e_route_cnt->dst_gateway != dst) {
702 e_route_dst = _get_route(e_route_cnt->dst_gateway, dst);
703 xbt_assert2(e_route_dst, "no route between \"%s\" and \"%s\"",
704 e_route_cnt->dst_gateway, dst);
705 xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
706 xbt_dynar_push(e_route->generic_route.link_list, &link);
710 e_route->src_gateway = xbt_strdup(e_route_cnt->src_gateway);
711 e_route->dst_gateway = xbt_strdup(e_route_cnt->dst_gateway);
713 generic_free_extended_route(e_route_src);
714 generic_free_extended_route(e_route_cnt);
715 generic_free_extended_route(e_route_dst);
718 xbt_dynar_free(&elem_father_list);
724 * \brief Generic method: find a route between hosts
726 * \param src the source host name
727 * \param dst the destination host name
729 * walk through the routing components tree and find a route between hosts
730 * by calling the differents "get_route" functions in each routing component
732 static xbt_dynar_t get_route(const char *src, const char *dst)
735 route_extended_t e_route;
736 xbt_dynar_t elem_father_list = elements_father(src, dst);
737 routing_component_t common_father =
738 xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
740 if (strcmp(src, dst))
741 e_route = _get_route(src, dst);
743 e_route = (*(common_father->get_route)) (common_father, src, dst);
745 xbt_assert2(e_route, "no route between \"%s\" and \"%s\"", src, dst);
747 if (global_routing->last_route)
748 xbt_dynar_free(&(global_routing->last_route));
749 global_routing->last_route = e_route->generic_route.link_list;
751 if (e_route->src_gateway)
752 xbt_free(e_route->src_gateway);
753 if (e_route->dst_gateway)
754 xbt_free(e_route->dst_gateway);
757 xbt_dynar_free(&elem_father_list);
759 if (xbt_dynar_length(global_routing->last_route) == 0)
762 return global_routing->last_route;
766 * \brief Recursive function for finalize
768 * \param rc the source host name
770 * This fuction is call by "finalize". It allow to finalize the
771 * AS or routing components. It delete all the structures.
773 static void _finalize(routing_component_t rc)
776 xbt_dict_cursor_t cursor = NULL;
778 routing_component_t elem;
779 xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
782 xbt_dict_t tmp_sons = rc->routing_sons;
783 char *tmp_name = rc->name;
784 xbt_dict_free(&tmp_sons);
786 xbt_assert1(rc->finalize, "no defined method \"finalize\" in \"%s\"",
787 current_routing->name);
788 (*(rc->finalize)) (rc);
793 * \brief Generic method: delete all the routing structures
795 * walk through the routing components tree and delete the structures
796 * by calling the differents "finalize" functions in each routing component
798 static void finalize(void)
800 /* delete recursibly all the tree */
801 _finalize(global_routing->root);
802 /* delete "where" dict */
803 xbt_dict_free(&(global_routing->where_network_elements));
804 /* delete last_route */
805 xbt_dynar_free(&(global_routing->last_route));
806 /* delete global routing structure */
807 xbt_free(global_routing);
810 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
812 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
814 //adding my one link routes
817 xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
819 xbt_dynar_foreach(onelink_mine, cpt, link) {
820 xbt_dynar_push(ret, &link);
825 xbt_dict_cursor_t cursor = NULL;
826 routing_component_t rc_child;
827 xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
828 xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
830 xbt_dynar_foreach(onelink_child, cpt, link) {
831 xbt_dynar_push(ret, &link);
838 static xbt_dynar_t get_onelink_routes(void)
840 return recursive_get_onelink_routes(global_routing->root);
843 static e_surf_network_element_type_t get_network_element_type(const char
846 network_element_info_t rc = NULL;
847 rc = xbt_dict_get(global_routing->where_network_elements, name);
852 * \brief Generic method: create the global routing schema
854 * Make a global routing structure and set all the parsing functions.
856 void routing_model_create(size_t size_of_links, void *loopback)
859 /* config the uniq global routing */
860 global_routing = xbt_new0(s_routing_global_t, 1);
861 global_routing->where_network_elements = xbt_dict_new();
862 global_routing->root = NULL;
863 global_routing->get_route = get_route;
864 global_routing->get_onelink_routes = get_onelink_routes;
865 global_routing->get_network_element_type = get_network_element_type;
866 global_routing->finalize = finalize;
867 global_routing->loopback = loopback;
868 global_routing->size_of_link = size_of_links;
869 global_routing->last_route = xbt_dynar_new(size_of_links, NULL);
871 /* no current routing at moment */
872 current_routing = NULL;
874 /* parse generic elements */
875 surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
876 surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router);
878 surfxml_add_callback(STag_surfxml_route_cb_list,
879 &parse_S_route_new_and_endpoints_XML);
880 surfxml_add_callback(STag_surfxml_ASroute_cb_list,
881 &parse_S_ASroute_new_and_endpoints);
882 surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
883 &parse_S_bypassRoute_new_and_endpoints);
885 surfxml_add_callback(ETag_surfxml_link_ctn_cb_list,
886 &parse_E_link_ctn_new_elem_XML);
888 surfxml_add_callback(ETag_surfxml_route_cb_list,
889 &parse_E_route_store_route);
890 surfxml_add_callback(ETag_surfxml_ASroute_cb_list,
891 &parse_E_ASroute_store_route);
892 surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
893 &parse_E_bypassRoute_store_route);
895 surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS_XML);
896 surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS_XML);
898 surfxml_add_callback(STag_surfxml_cluster_cb_list,
899 &routing_full_parse_Scluster);
901 surfxml_add_callback(STag_surfxml_config_cb_list, &parse_Sconfig);
902 surfxml_add_callback(ETag_surfxml_config_cb_list, &parse_Econfig);
905 /* ************************************************************************** */
906 /* *************************** FULL ROUTING ********************************* */
908 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
910 /* Routing model structure */
913 s_routing_component_t generic_routing;
914 xbt_dict_t parse_routes; /* store data during the parse process */
915 route_extended_t *routing_table;
916 } s_routing_component_full_t, *routing_component_full_t;
918 /* Business methods */
919 static xbt_dynar_t full_get_onelink_routes(routing_component_t rc)
921 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
923 routing_component_full_t routing = (routing_component_full_t) rc;
924 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
925 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
926 char *k1, *d1, *k2, *d2;
927 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
928 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
929 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k1);
930 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k2);
933 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
935 route_extended_t route = TO_ROUTE_FULL(*src_id, *dst_id);
937 if (xbt_dynar_length(route->generic_route.link_list) == 1) {
939 *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
941 onelink_t onelink = xbt_new0(s_onelink_t, 1);
942 onelink->link_ptr = link;
943 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
944 onelink->src = xbt_strdup(k1);
945 onelink->dst = xbt_strdup(k2);
946 } else if (routing->generic_routing.hierarchy ==
947 SURF_ROUTING_RECURSIVE) {
948 onelink->src = xbt_strdup(route->src_gateway);
949 onelink->dst = xbt_strdup(route->dst_gateway);
951 xbt_dynar_push(ret, &onelink);
959 static route_extended_t full_get_route(routing_component_t rc,
960 const char *src, const char *dst)
962 xbt_assert1(rc && src
964 "Invalid params for \"get_route\" function at AS \"%s\"",
968 routing_component_full_t routing = (routing_component_full_t) rc;
969 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
971 generic_src_dst_check(rc, src, dst);
972 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
973 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
976 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
979 route_extended_t e_route = NULL;
980 route_extended_t new_e_route = NULL;
982 unsigned int cpt = 0;
984 e_route = TO_ROUTE_FULL(*src_id, *dst_id);
987 new_e_route = xbt_new0(s_route_extended_t, 1);
988 new_e_route->src_gateway = xbt_strdup(e_route->src_gateway);
989 new_e_route->dst_gateway = xbt_strdup(e_route->dst_gateway);
990 new_e_route->generic_route.link_list =
991 xbt_dynar_new(global_routing->size_of_link, NULL);
992 xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
993 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
999 static void full_finalize(routing_component_t rc)
1001 routing_component_full_t routing = (routing_component_full_t) rc;
1002 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1005 /* Delete routing table */
1006 for (i = 0; i < table_size; i++)
1007 for (j = 0; j < table_size; j++)
1008 generic_free_extended_route(TO_ROUTE_FULL(i, j));
1009 xbt_free(routing->routing_table);
1010 /* Delete bypass dict */
1011 xbt_dict_free(&rc->bypassRoutes);
1012 /* Delete index dict */
1013 xbt_dict_free(&rc->to_index);
1014 /* Delete structure */
1019 /* Creation routing model functions */
1021 static void *model_full_create(void)
1023 routing_component_full_t new_component =
1024 xbt_new0(s_routing_component_full_t, 1);
1025 new_component->generic_routing.set_processing_unit =
1026 generic_set_processing_unit;
1027 new_component->generic_routing.set_autonomous_system =
1028 generic_set_autonomous_system;
1029 new_component->generic_routing.set_route = generic_set_route;
1030 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1031 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1032 new_component->generic_routing.get_route = full_get_route;
1033 new_component->generic_routing.get_onelink_routes =
1034 full_get_onelink_routes;
1035 new_component->generic_routing.get_bypass_route =
1036 generic_get_bypassroute;
1037 new_component->generic_routing.finalize = full_finalize;
1038 new_component->generic_routing.to_index = xbt_dict_new();
1039 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1040 new_component->generic_routing.parse_routes = xbt_dict_new();
1041 return new_component;
1044 static void model_full_load(void)
1046 /* use "surfxml_add_callback" to add a parse function call */
1049 static void model_full_unload(void)
1051 /* use "surfxml_del_callback" to remove a parse function call */
1054 static void model_full_end(void)
1058 const char *sep = "#";
1062 route_extended_t e_route;
1065 xbt_dict_cursor_t cursor = NULL;
1066 xbt_dynar_t keys = NULL;
1068 /* set utils vars */
1069 routing_component_full_t routing =
1070 ((routing_component_full_t) current_routing);
1071 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1073 /* Create the routing table */
1074 routing->routing_table =
1075 xbt_new0(route_extended_t, table_size * table_size);
1077 /* Put the routes in position */
1078 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1079 keys = xbt_str_split_str(key, sep);
1080 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1081 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1082 TO_ROUTE_FULL(src_id, dst_id) =
1083 generic_new_extended_route(current_routing->hierarchy, data, 1);
1084 xbt_dynar_free(&keys);
1087 /* delete the parse table */
1088 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1089 route = (route_t) data;
1090 xbt_dynar_free(&(route->link_list));
1094 /* delete parse dict */
1095 xbt_dict_free(&(routing->generic_routing.parse_routes));
1097 /* Add the loopback if needed */
1098 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1099 for (i = 0; i < table_size; i++) {
1100 e_route = TO_ROUTE_FULL(i, i);
1102 e_route = xbt_new0(s_route_extended_t, 1);
1103 e_route->src_gateway = NULL;
1104 e_route->dst_gateway = NULL;
1105 e_route->generic_route.link_list =
1106 xbt_dynar_new(global_routing->size_of_link, NULL);
1107 xbt_dynar_push(e_route->generic_route.link_list,
1108 &global_routing->loopback);
1109 TO_ROUTE_FULL(i, i) = e_route;
1114 /* Shrink the dynar routes (save unused slots) */
1115 for (i = 0; i < table_size; i++)
1116 for (j = 0; j < table_size; j++)
1117 if (TO_ROUTE_FULL(i, j))
1118 xbt_dynar_shrink(TO_ROUTE_FULL(i, j)->generic_route.link_list, 0);
1121 /* ************************************************************************** */
1122 /* *************************** FLOYD ROUTING ******************************** */
1124 #define TO_FLOYD_COST(i,j) cost_table[(i)+(j)*table_size]
1125 #define TO_FLOYD_PRED(i,j) (routing->predecessor_table)[(i)+(j)*table_size]
1126 #define TO_FLOYD_LINK(i,j) (routing->link_table)[(i)+(j)*table_size]
1128 /* Routing model structure */
1131 s_routing_component_t generic_routing;
1132 /* vars for calculate the floyd algorith. */
1133 int *predecessor_table;
1134 route_extended_t *link_table; /* char* -> int* */
1135 } s_routing_component_floyd_t, *routing_component_floyd_t;
1137 static route_extended_t floyd_get_route(routing_component_t rc,
1138 const char *src, const char *dst);
1140 /* Business methods */
1141 static xbt_dynar_t floyd_get_onelink_routes(routing_component_t rc)
1143 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
1145 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1146 //size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1147 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
1148 char *k1, *d1, *k2, *d2;
1149 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
1150 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
1151 route_extended_t route = floyd_get_route(rc, k1, k2);
1153 if (xbt_dynar_length(route->generic_route.link_list) == 1) {
1155 *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
1157 onelink_t onelink = xbt_new0(s_onelink_t, 1);
1158 onelink->link_ptr = link;
1159 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
1160 onelink->src = xbt_strdup(k1);
1161 onelink->dst = xbt_strdup(k2);
1162 } else if (routing->generic_routing.hierarchy ==
1163 SURF_ROUTING_RECURSIVE) {
1164 onelink->src = xbt_strdup(route->src_gateway);
1165 onelink->dst = xbt_strdup(route->dst_gateway);
1167 xbt_dynar_push(ret, &onelink);
1175 static route_extended_t floyd_get_route(routing_component_t rc,
1176 const char *src, const char *dst)
1178 xbt_assert1(rc && src
1180 "Invalid params for \"get_route\" function at AS \"%s\"",
1183 /* set utils vars */
1184 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1185 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1187 generic_src_dst_check(rc, src, dst);
1188 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1189 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1192 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
1195 /* create a result route */
1196 route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1197 new_e_route->generic_route.link_list =
1198 xbt_dynar_new(global_routing->size_of_link, NULL);
1199 new_e_route->src_gateway = NULL;
1200 new_e_route->dst_gateway = NULL;
1205 char *gw_src = NULL, *gw_dst =
1206 NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
1213 pred = TO_FLOYD_PRED(*src_id, pred);
1214 if (pred == -1) /* if no pred in route -> no route to host */
1216 xbt_assert2(TO_FLOYD_LINK(pred, prev_pred),
1217 "Invalid link for the route between \"%s\" or \"%s\"", src,
1220 prev_gw_src = gw_src;
1221 prev_gw_dst = gw_dst;
1223 route_extended_t e_route = TO_FLOYD_LINK(pred, prev_pred);
1224 gw_src = e_route->src_gateway;
1225 gw_dst = e_route->dst_gateway;
1230 if (rc->hierarchy == SURF_ROUTING_RECURSIVE && !first
1231 && strcmp(gw_dst, prev_gw_src)) {
1232 xbt_dynar_t e_route_as_to_as =
1233 (*(global_routing->get_route)) (gw_dst, prev_gw_src);
1234 xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
1235 gw_dst, prev_gw_src);
1236 links = e_route_as_to_as;
1238 xbt_dynar_foreach(links, cpt, link) {
1239 xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
1245 links = e_route->generic_route.link_list;
1246 xbt_dynar_foreach(links, cpt, link) {
1247 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1251 } while (pred != *src_id);
1252 xbt_assert4(pred != -1, "no route from host %d to %d (\"%s\" to \"%s\")",
1253 *src_id, *dst_id, src, dst);
1255 if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1256 new_e_route->src_gateway = xbt_strdup(gw_src);
1257 new_e_route->dst_gateway = xbt_strdup(first_gw);
1263 static void floyd_finalize(routing_component_t rc)
1265 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1269 table_size = xbt_dict_length(routing->generic_routing.to_index);
1270 /* Delete link_table */
1271 for (i = 0; i < table_size; i++)
1272 for (j = 0; j < table_size; j++)
1273 generic_free_extended_route(TO_FLOYD_LINK(i, j));
1274 xbt_free(routing->link_table);
1275 /* Delete bypass dict */
1276 xbt_dict_free(&routing->generic_routing.bypassRoutes);
1277 /* Delete index dict */
1278 xbt_dict_free(&(routing->generic_routing.to_index));
1279 /* Delete dictionary index dict, predecessor and links table */
1280 xbt_free(routing->predecessor_table);
1281 /* Delete structure */
1286 static void *model_floyd_create(void)
1288 routing_component_floyd_t new_component =
1289 xbt_new0(s_routing_component_floyd_t, 1);
1290 new_component->generic_routing.set_processing_unit =
1291 generic_set_processing_unit;
1292 new_component->generic_routing.set_autonomous_system =
1293 generic_set_autonomous_system;
1294 new_component->generic_routing.set_route = generic_set_route;
1295 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1296 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1297 new_component->generic_routing.get_route = floyd_get_route;
1298 new_component->generic_routing.get_onelink_routes =
1299 floyd_get_onelink_routes;
1300 new_component->generic_routing.get_bypass_route =
1301 generic_get_bypassroute;
1302 new_component->generic_routing.finalize = floyd_finalize;
1303 new_component->generic_routing.to_index = xbt_dict_new();
1304 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1305 new_component->generic_routing.parse_routes = xbt_dict_new();
1306 return new_component;
1309 static void model_floyd_load(void)
1311 /* use "surfxml_add_callback" to add a parse function call */
1314 static void model_floyd_unload(void)
1316 /* use "surfxml_del_callback" to remove a parse function call */
1319 static void model_floyd_end(void)
1322 routing_component_floyd_t routing =
1323 ((routing_component_floyd_t) current_routing);
1324 xbt_dict_cursor_t cursor = NULL;
1326 char *key, *data, *end;
1327 const char *sep = "#";
1330 unsigned int i, j, a, b, c;
1332 /* set the size of inicial table */
1333 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1335 /* Create Cost, Predecessor and Link tables */
1336 cost_table = xbt_new0(double, table_size * table_size); /* link cost from host to host */
1337 routing->predecessor_table = xbt_new0(int, table_size * table_size); /* predecessor host numbers */
1338 routing->link_table = xbt_new0(route_extended_t, table_size * table_size); /* actual link between src and dst */
1340 /* Initialize costs and predecessors */
1341 for (i = 0; i < table_size; i++)
1342 for (j = 0; j < table_size; j++) {
1343 TO_FLOYD_COST(i, j) = DBL_MAX;
1344 TO_FLOYD_PRED(i, j) = -1;
1345 TO_FLOYD_LINK(i, j) = NULL; /* fixed, missing in the previous version */
1348 /* Put the routes in position */
1349 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1350 keys = xbt_str_split_str(key, sep);
1351 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1352 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1353 TO_FLOYD_LINK(src_id, dst_id) =
1354 generic_new_extended_route(current_routing->hierarchy, data, 0);
1355 TO_FLOYD_PRED(src_id, dst_id) = src_id;
1357 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 */
1358 xbt_dynar_free(&keys);
1361 /* Add the loopback if needed */
1362 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1363 for (i = 0; i < table_size; i++) {
1364 route_extended_t e_route = TO_FLOYD_LINK(i, i);
1366 e_route = xbt_new0(s_route_extended_t, 1);
1367 e_route->src_gateway = NULL;
1368 e_route->dst_gateway = NULL;
1369 e_route->generic_route.link_list =
1370 xbt_dynar_new(global_routing->size_of_link, NULL);
1371 xbt_dynar_push(e_route->generic_route.link_list,
1372 &global_routing->loopback);
1373 TO_FLOYD_LINK(i, i) = e_route;
1374 TO_FLOYD_PRED(i, i) = i;
1375 TO_FLOYD_COST(i, i) = 1;
1379 /* Calculate path costs */
1380 for (c = 0; c < table_size; c++) {
1381 for (a = 0; a < table_size; a++) {
1382 for (b = 0; b < table_size; b++) {
1383 if (TO_FLOYD_COST(a, c) < DBL_MAX && TO_FLOYD_COST(c, b) < DBL_MAX) {
1384 if (TO_FLOYD_COST(a, b) == DBL_MAX ||
1385 (TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b) <
1386 TO_FLOYD_COST(a, b))) {
1387 TO_FLOYD_COST(a, b) =
1388 TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b);
1389 TO_FLOYD_PRED(a, b) = TO_FLOYD_PRED(c, b);
1396 /* delete the parse table */
1397 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1398 route_t route = (route_t) data;
1399 xbt_dynar_free(&(route->link_list));
1403 /* delete parse dict */
1404 xbt_dict_free(&(routing->generic_routing.parse_routes));
1407 xbt_free(cost_table);
1410 /* ************************************************************************** */
1411 /* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
1414 s_routing_component_t generic_routing;
1415 xbt_graph_t route_graph; /* xbt_graph */
1416 xbt_dict_t graph_node_map; /* map */
1417 xbt_dict_t route_cache; /* use in cache mode */
1419 } s_routing_component_dijkstra_t, *routing_component_dijkstra_t;
1422 typedef struct graph_node_data {
1424 int graph_id; /* used for caching internal graph id's */
1425 } s_graph_node_data_t, *graph_node_data_t;
1427 typedef struct graph_node_map_element {
1429 } s_graph_node_map_element_t, *graph_node_map_element_t;
1431 typedef struct route_cache_element {
1434 } s_route_cache_element_t, *route_cache_element_t;
1436 /* Free functions */
1438 static void route_cache_elem_free(void *e)
1440 route_cache_element_t elm = (route_cache_element_t) e;
1442 xbt_free(elm->pred_arr);
1447 static void graph_node_map_elem_free(void *e)
1449 graph_node_map_element_t elm = (graph_node_map_element_t) e;
1455 static void graph_edge_data_free(void *e)
1457 route_extended_t e_route = (route_extended_t) e;
1459 xbt_dynar_free(&(e_route->generic_route.link_list));
1460 if (e_route->src_gateway)
1461 xbt_free(e_route->src_gateway);
1462 if (e_route->dst_gateway)
1463 xbt_free(e_route->dst_gateway);
1468 /* Utility functions */
1470 static xbt_node_t route_graph_new_node(routing_component_dijkstra_t rc,
1471 int id, int graph_id)
1473 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1474 xbt_node_t node = NULL;
1475 graph_node_data_t data = NULL;
1476 graph_node_map_element_t elm = NULL;
1478 data = xbt_new0(struct graph_node_data, 1);
1480 data->graph_id = graph_id;
1481 node = xbt_graph_new_node(routing->route_graph, data);
1483 elm = xbt_new0(struct graph_node_map_element, 1);
1485 xbt_dict_set_ext(routing->graph_node_map, (char *) (&id), sizeof(int),
1486 (xbt_set_elm_t) elm, &graph_node_map_elem_free);
1491 static graph_node_map_element_t
1492 graph_node_map_search(routing_component_dijkstra_t rc, int id)
1494 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1495 graph_node_map_element_t elm = (graph_node_map_element_t)
1496 xbt_dict_get_or_null_ext(routing->graph_node_map,
1504 static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id,
1505 int dst_id, route_extended_t e_route)
1507 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1509 xbt_node_t src = NULL;
1510 xbt_node_t dst = NULL;
1511 graph_node_map_element_t src_elm = (graph_node_map_element_t)
1512 xbt_dict_get_or_null_ext(routing->graph_node_map,
1515 graph_node_map_element_t dst_elm = (graph_node_map_element_t)
1516 xbt_dict_get_or_null_ext(routing->graph_node_map,
1521 src = src_elm->node;
1524 dst = dst_elm->node;
1526 /* add nodes if they don't exist in the graph */
1527 if (src_id == dst_id && src == NULL && dst == NULL) {
1528 src = route_graph_new_node(rc, src_id, -1);
1532 src = route_graph_new_node(rc, src_id, -1);
1535 dst = route_graph_new_node(rc, dst_id, -1);
1539 /* add link as edge to graph */
1540 xbt_graph_new_edge(routing->route_graph, src, dst, e_route);
1543 static void add_loopback_dijkstra(routing_component_dijkstra_t rc)
1545 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1547 xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1549 xbt_node_t node = NULL;
1550 unsigned int cursor2;
1551 xbt_dynar_foreach(nodes, cursor2, node) {
1552 xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node);
1553 xbt_edge_t edge = NULL;
1554 unsigned int cursor;
1557 xbt_dynar_foreach(out_edges, cursor, edge) {
1558 xbt_node_t other_node = xbt_graph_edge_get_target(edge);
1559 if (other_node == node) {
1566 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
1567 e_route->src_gateway = NULL;
1568 e_route->dst_gateway = NULL;
1569 e_route->generic_route.link_list =
1570 xbt_dynar_new(global_routing->size_of_link, NULL);
1571 xbt_dynar_push(e_route->generic_route.link_list,
1572 &global_routing->loopback);
1573 xbt_graph_new_edge(routing->route_graph, node, node, e_route);
1578 /* Business methods */
1579 static xbt_dynar_t dijkstra_get_onelink_routes(routing_component_t rc)
1581 xbt_die("\"dijkstra_get_onelink_routes\" function not implemented yet");
1584 static route_extended_t dijkstra_get_route(routing_component_t rc,
1588 xbt_assert1(rc && src
1590 "Invalid params for \"get_route\" function at AS \"%s\"",
1593 /* set utils vars */
1594 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1596 generic_src_dst_check(rc, src, dst);
1597 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1598 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1601 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
1604 /* create a result route */
1605 route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1606 new_e_route->generic_route.link_list =
1607 xbt_dynar_new(global_routing->size_of_link, NULL);
1608 new_e_route->src_gateway = NULL;
1609 new_e_route->dst_gateway = NULL;
1611 int *pred_arr = NULL;
1612 int src_node_id = 0;
1613 int dst_node_id = 0;
1616 route_extended_t e_route;
1620 xbt_dynar_t links = NULL;
1621 route_cache_element_t elm = NULL;
1622 xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1624 /* Use the graph_node id mapping set to quickly find the nodes */
1625 graph_node_map_element_t src_elm =
1626 graph_node_map_search(routing, *src_id);
1627 graph_node_map_element_t dst_elm =
1628 graph_node_map_search(routing, *dst_id);
1629 xbt_assert2(src_elm != NULL
1630 && dst_elm != NULL, "src %d or dst %d does not exist",
1632 src_node_id = ((graph_node_data_t)
1633 xbt_graph_node_get_data(src_elm->node))->graph_id;
1634 dst_node_id = ((graph_node_data_t)
1635 xbt_graph_node_get_data(dst_elm->node))->graph_id;
1637 /* if the src and dst are the same *//* fixed, missing in the previous version */
1638 if (src_node_id == dst_node_id) {
1640 xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_node_id, xbt_node_t);
1641 xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_node_id, xbt_node_t);
1643 xbt_graph_get_edge(routing->route_graph, node_s_v, node_e_v);
1645 xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
1648 e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
1650 links = e_route->generic_route.link_list;
1651 xbt_dynar_foreach(links, cpt, link) {
1652 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1658 if (routing->cached) {
1659 /*check if there is a cached predecessor list avail */
1660 elm = (route_cache_element_t)
1661 xbt_dict_get_or_null_ext(routing->route_cache, (char *) (&src_id),
1665 if (elm) { /* cached mode and cache hit */
1666 pred_arr = elm->pred_arr;
1667 } else { /* not cached mode or cache miss */
1668 double *cost_arr = NULL;
1669 xbt_heap_t pqueue = NULL;
1672 int nr_nodes = xbt_dynar_length(nodes);
1673 cost_arr = xbt_new0(double, nr_nodes); /* link cost from src to other hosts */
1674 pred_arr = xbt_new0(int, nr_nodes); /* predecessors in path from src */
1675 pqueue = xbt_heap_new(nr_nodes, xbt_free);
1678 cost_arr[src_node_id] = 0.0;
1680 for (i = 0; i < nr_nodes; i++) {
1681 if (i != src_node_id) {
1682 cost_arr[i] = DBL_MAX;
1687 /* initialize priority queue */
1688 nodeid = xbt_new0(int, 1);
1690 xbt_heap_push(pqueue, nodeid, cost_arr[i]);
1694 /* apply dijkstra using the indexes from the graph's node array */
1695 while (xbt_heap_size(pqueue) > 0) {
1696 int *v_id = xbt_heap_pop(pqueue);
1697 xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t);
1698 xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node);
1699 xbt_edge_t edge = NULL;
1700 unsigned int cursor;
1702 xbt_dynar_foreach(out_edges, cursor, edge) {
1703 xbt_node_t u_node = xbt_graph_edge_get_target(edge);
1704 graph_node_data_t data = xbt_graph_node_get_data(u_node);
1705 int u_id = data->graph_id;
1706 route_extended_t tmp_e_route =
1707 (route_extended_t) xbt_graph_edge_get_data(edge);
1708 int cost_v_u = (tmp_e_route->generic_route.link_list)->used; /* count of links, old model assume 1 */
1710 if (cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
1711 pred_arr[u_id] = *v_id;
1712 cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
1713 nodeid = xbt_new0(int, 1);
1715 xbt_heap_push(pqueue, nodeid, cost_arr[u_id]);
1719 /* free item popped from pqueue */
1724 xbt_heap_free(pqueue);
1727 /* compose route path with links */
1728 char *gw_src = NULL, *gw_dst =
1729 NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
1731 for (v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
1732 xbt_node_t node_pred_v =
1733 xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
1734 xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t);
1736 xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
1738 xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
1741 prev_gw_src = gw_src;
1742 prev_gw_dst = gw_dst;
1744 e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
1745 gw_src = e_route->src_gateway;
1746 gw_dst = e_route->dst_gateway;
1748 if (v == dst_node_id)
1751 if (rc->hierarchy == SURF_ROUTING_RECURSIVE && v != dst_node_id
1752 && strcmp(gw_dst, prev_gw_src)) {
1753 xbt_dynar_t e_route_as_to_as =
1754 (*(global_routing->get_route)) (gw_dst, prev_gw_src);
1755 xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
1756 gw_dst, prev_gw_src);
1757 links = e_route_as_to_as;
1759 xbt_dynar_foreach(links, cpt, link) {
1760 xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
1766 links = e_route->generic_route.link_list;
1767 xbt_dynar_foreach(links, cpt, link) {
1768 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1773 if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1774 new_e_route->src_gateway = xbt_strdup(gw_src);
1775 new_e_route->dst_gateway = xbt_strdup(first_gw);
1778 if (routing->cached && elm == NULL) {
1779 /* add to predecessor list of the current src-host to cache */
1780 elm = xbt_new0(struct route_cache_element, 1);
1781 elm->pred_arr = pred_arr;
1783 xbt_dict_set_ext(routing->route_cache, (char *) (&src_id), sizeof(int),
1784 (xbt_set_elm_t) elm, &route_cache_elem_free);
1787 if (!routing->cached)
1793 static void dijkstra_finalize(routing_component_t rc)
1795 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1798 xbt_graph_free_graph(routing->route_graph, &xbt_free,
1799 &graph_edge_data_free, &xbt_free);
1800 xbt_dict_free(&routing->graph_node_map);
1801 if (routing->cached)
1802 xbt_dict_free(&routing->route_cache);
1803 /* Delete bypass dict */
1804 xbt_dict_free(&routing->generic_routing.bypassRoutes);
1805 /* Delete index dict */
1806 xbt_dict_free(&(routing->generic_routing.to_index));
1807 /* Delete structure */
1812 /* Creation routing model functions */
1814 static void *model_dijkstra_both_create(int cached)
1816 routing_component_dijkstra_t new_component =
1817 xbt_new0(s_routing_component_dijkstra_t, 1);
1818 new_component->generic_routing.set_processing_unit =
1819 generic_set_processing_unit;
1820 new_component->generic_routing.set_autonomous_system =
1821 generic_set_autonomous_system;
1822 new_component->generic_routing.set_route = generic_set_route;
1823 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1824 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1825 new_component->generic_routing.get_route = dijkstra_get_route;
1826 new_component->generic_routing.get_onelink_routes =
1827 dijkstra_get_onelink_routes;
1828 new_component->generic_routing.get_bypass_route =
1829 generic_get_bypassroute;
1830 new_component->generic_routing.finalize = dijkstra_finalize;
1831 new_component->cached = cached;
1832 new_component->generic_routing.to_index = xbt_dict_new();
1833 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1834 new_component->generic_routing.parse_routes = xbt_dict_new();
1835 return new_component;
1838 static void *model_dijkstra_create(void)
1840 return model_dijkstra_both_create(0);
1843 static void *model_dijkstracache_create(void)
1845 return model_dijkstra_both_create(1);
1848 static void model_dijkstra_both_load(void)
1850 /* use "surfxml_add_callback" to add a parse function call */
1853 static void model_dijkstra_both_unload(void)
1855 /* use "surfxml_del_callback" to remove a parse function call */
1858 static void model_dijkstra_both_end(void)
1860 routing_component_dijkstra_t routing =
1861 (routing_component_dijkstra_t) current_routing;
1862 xbt_dict_cursor_t cursor = NULL;
1863 char *key, *data, *end;
1864 const char *sep = "#";
1866 xbt_node_t node = NULL;
1867 unsigned int cursor2;
1868 xbt_dynar_t nodes = NULL;
1872 /* Create the topology graph */
1873 routing->route_graph = xbt_graph_new_graph(1, NULL);
1874 routing->graph_node_map = xbt_dict_new();
1876 if (routing->cached)
1877 routing->route_cache = xbt_dict_new();
1879 /* Put the routes in position */
1880 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1881 keys = xbt_str_split_str(key, sep);
1882 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1883 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1884 route_extended_t e_route =
1885 generic_new_extended_route(current_routing->hierarchy, data, 0);
1886 route_new_dijkstra(routing, src_id, dst_id, e_route);
1887 xbt_dynar_free(&keys);
1890 /* delete the parse table */
1891 xbt_dict_foreach(routing->generic_routing.parse_routes, cursor, key, data) {
1892 route = (route_t) data;
1893 xbt_dynar_free(&(route->link_list));
1897 /* delete parse dict */
1898 xbt_dict_free(&(routing->generic_routing.parse_routes));
1900 /* Add the loopback if needed */
1901 if (current_routing->hierarchy == SURF_ROUTING_BASE)
1902 add_loopback_dijkstra(routing);
1904 /* initialize graph indexes in nodes after graph has been built */
1905 nodes = xbt_graph_get_nodes(routing->route_graph);
1907 xbt_dynar_foreach(nodes, cursor2, node) {
1908 graph_node_data_t data = xbt_graph_node_get_data(node);
1909 data->graph_id = cursor2;
1914 #ifdef HAVE_PCRE_LIB
1915 /* ************************************************** */
1916 /* ************** RULE-BASED ROUTING **************** */
1918 /* Routing model structure */
1921 s_routing_component_t generic_routing;
1922 xbt_dict_t dict_processing_units;
1923 xbt_dict_t dict_autonomous_systems;
1924 xbt_dynar_t list_route;
1925 xbt_dynar_t list_ASroute;
1926 } s_routing_component_rulebased_t, *routing_component_rulebased_t;
1928 typedef struct s_rule_route s_rule_route_t, *rule_route_t;
1929 typedef struct s_rule_route_extended s_rule_route_extended_t,
1930 *rule_route_extended_t;
1932 struct s_rule_route {
1933 xbt_dynar_t re_str_link; // dynar of char*
1938 struct s_rule_route_extended {
1939 s_rule_route_t generic_rule_route;
1940 char *re_src_gateway;
1941 char *re_dst_gateway;
1944 static void rule_route_free(void *e)
1946 rule_route_t *elem = (rule_route_t *) (e);
1948 xbt_dynar_free(&(*elem)->re_str_link);
1949 pcre_free((*elem)->re_src);
1950 pcre_free((*elem)->re_dst);
1956 static void rule_route_extended_free(void *e)
1958 rule_route_extended_t *elem = (rule_route_extended_t *) e;
1960 xbt_dynar_free(&(*elem)->generic_rule_route.re_str_link);
1961 pcre_free((*elem)->generic_rule_route.re_src);
1962 pcre_free((*elem)->generic_rule_route.re_dst);
1963 xbt_free((*elem)->re_src_gateway);
1964 xbt_free((*elem)->re_dst_gateway);
1969 /* Parse routing model functions */
1971 static void model_rulebased_set_processing_unit(routing_component_t rc,
1974 routing_component_rulebased_t routing =
1975 (routing_component_rulebased_t) rc;
1976 xbt_dict_set(routing->dict_processing_units, name, (void *) (-1), NULL);
1979 static void model_rulebased_set_autonomous_system(routing_component_t rc,
1982 routing_component_rulebased_t routing =
1983 (routing_component_rulebased_t) rc;
1984 xbt_dict_set(routing->dict_autonomous_systems, name, (void *) (-1),
1988 static void model_rulebased_set_route(routing_component_t rc,
1989 const char *src, const char *dst,
1992 routing_component_rulebased_t routing =
1993 (routing_component_rulebased_t) rc;
1994 rule_route_t ruleroute = xbt_new0(s_rule_route_t, 1);
1997 ruleroute->re_src = pcre_compile(src, 0, &error, &erroffset, NULL);
1998 xbt_assert3(ruleroute->re_src,
1999 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2000 erroffset, src, error);
2001 ruleroute->re_dst = pcre_compile(dst, 0, &error, &erroffset, NULL);
2002 xbt_assert3(ruleroute->re_src,
2003 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2004 erroffset, dst, error);
2005 ruleroute->re_str_link = route->link_list;
2006 xbt_dynar_push(routing->list_route, &ruleroute);
2010 static void model_rulebased_set_ASroute(routing_component_t rc,
2011 const char *src, const char *dst,
2012 route_extended_t route)
2014 routing_component_rulebased_t routing =
2015 (routing_component_rulebased_t) rc;
2016 rule_route_extended_t ruleroute_e = xbt_new0(s_rule_route_extended_t, 1);
2019 ruleroute_e->generic_rule_route.re_src =
2020 pcre_compile(src, 0, &error, &erroffset, NULL);
2021 xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2022 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2023 erroffset, src, error);
2024 ruleroute_e->generic_rule_route.re_dst =
2025 pcre_compile(dst, 0, &error, &erroffset, NULL);
2026 xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2027 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2028 erroffset, dst, error);
2029 ruleroute_e->generic_rule_route.re_str_link =
2030 route->generic_route.link_list;
2031 ruleroute_e->re_src_gateway = route->src_gateway;
2032 ruleroute_e->re_dst_gateway = route->dst_gateway;
2033 xbt_dynar_push(routing->list_ASroute, &ruleroute_e);
2034 xbt_free(route->src_gateway);
2035 xbt_free(route->dst_gateway);
2039 static void model_rulebased_set_bypassroute(routing_component_t rc,
2042 route_extended_t e_route)
2044 xbt_die("bypass routing not supported for Route-Based model");
2047 #define BUFFER_SIZE 4096 /* result buffer size */
2048 #define OVECCOUNT 30 /* should be a multiple of 3 */
2050 static char *remplace(char *value, const char **src_list, int src_size,
2051 const char **dst_list, int dst_size)
2054 char result_result[BUFFER_SIZE];
2055 int i_result_buffer;
2056 int value_length = (int) strlen(value);
2060 i_result_buffer = 0;
2062 if (value[i] == '$') {
2066 int number_length = 0;
2067 while ('0' <= value[i + number_length]
2068 && value[i + number_length] <= '9') {
2071 xbt_assert2(number_length != 0,
2072 "bad string parameter, no number indication, at offset: %d (\"%s\")",
2076 number = atoi(value + i);
2077 i = i + number_length;
2078 xbt_assert2(i + 2 < value_length,
2079 "bad string parameter, too few chars, at offset: %d (\"%s\")",
2082 // solve the indication
2083 const char **param_list;
2085 if (value[i] == 's' && value[i + 1] == 'r' && value[i + 2] == 'c') {
2086 param_list = src_list;
2087 param_size = src_size;
2088 } else if (value[i] == 'd' && value[i + 1] == 's'
2089 && value[i + 2] == 't') {
2090 param_list = dst_list;
2091 param_size = dst_size;
2094 "bad string parameter, support only \"src\" and \"dst\", at offset: %d (\"%s\")",
2099 xbt_assert4(param_size >= number,
2100 "bad string parameter, not enough length param_size, at offset: %d (\"%s\") %d %d",
2101 i, value, param_size, number);
2103 const char *param = param_list[number];
2104 int size = strlen(param);
2106 for (cp = 0; cp < size; cp++) {
2107 result_result[i_result_buffer] = param[cp];
2109 if (i_result_buffer >= BUFFER_SIZE)
2113 result_result[i_result_buffer] = value[i];
2118 } while (i < value_length && i_result_buffer < BUFFER_SIZE);
2120 xbt_assert2(i_result_buffer < BUFFER_SIZE,
2121 "solving string \"%s\", small buffer size (%d)", value,
2123 result_result[i_result_buffer] = 0;
2124 return xbt_strdup(result_result);
2127 static route_extended_t rulebased_get_route(routing_component_t rc,
2130 static xbt_dynar_t rulebased_get_onelink_routes(routing_component_t rc)
2132 xbt_dynar_t ret = xbt_dynar_new (sizeof(onelink_t), xbt_free);
2133 routing_component_rulebased_t routing = (routing_component_rulebased_t)rc;
2135 xbt_dict_cursor_t c1 = NULL;
2139 char *router = NULL;
2140 xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2141 if (strstr (k1, "router")){
2146 xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2149 xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2150 route_extended_t route = rulebased_get_route (rc, router, k1);
2152 int number_of_links = xbt_dynar_length(route->generic_route.link_list);
2153 if (number_of_links != 3) {
2154 xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2158 xbt_dynar_get_cpy (route->generic_route.link_list, 2, &link_ptr);
2159 onelink_t onelink = xbt_new0 (s_onelink_t, 1);
2160 onelink->src = xbt_strdup (k1);
2161 onelink->dst = xbt_strdup (router);
2162 onelink->link_ptr = link_ptr;
2163 xbt_dynar_push (ret, &onelink);
2168 /* Business methods */
2169 static route_extended_t rulebased_get_route(routing_component_t rc,
2173 xbt_assert1(rc && src
2175 "Invalid params for \"get_route\" function at AS \"%s\"",
2178 /* set utils vars */
2179 routing_component_rulebased_t routing =
2180 (routing_component_rulebased_t) rc;
2182 int are_processing_units;
2183 xbt_dynar_t rule_list;
2184 if (xbt_dict_get_or_null(routing->dict_processing_units, src)
2185 && xbt_dict_get_or_null(routing->dict_processing_units, dst)) {
2186 are_processing_units = 1;
2187 rule_list = routing->list_route;
2188 } else if (xbt_dict_get_or_null(routing->dict_autonomous_systems, src)
2189 && xbt_dict_get_or_null(routing->dict_autonomous_systems,
2191 are_processing_units = 0;
2192 rule_list = routing->list_ASroute;
2195 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
2200 int src_length = (int) strlen(src);
2201 int dst_length = (int) strlen(dst);
2203 xbt_dynar_t links_list =
2204 xbt_dynar_new(global_routing->size_of_link, NULL);
2206 rule_route_t ruleroute;
2208 int ovector_src[OVECCOUNT];
2209 int ovector_dst[OVECCOUNT];
2210 const char **list_src = NULL;
2211 const char **list_dst = NULL;
2212 xbt_dynar_foreach(rule_list, cpt, ruleroute) {
2214 pcre_exec(ruleroute->re_src, NULL, src, src_length, 0, 0,
2215 ovector_src, OVECCOUNT);
2218 pcre_exec(ruleroute->re_dst, NULL, dst, dst_length, 0, 0,
2219 ovector_dst, OVECCOUNT);
2221 xbt_assert1(!pcre_get_substring_list
2222 (src, ovector_src, rc_src, &list_src),
2223 "error solving substring list for src \"%s\"", src);
2224 xbt_assert1(!pcre_get_substring_list
2225 (dst, ovector_dst, rc_dst, &list_dst),
2226 "error solving substring list for src \"%s\"", dst);
2228 xbt_dynar_foreach(ruleroute->re_str_link, cpt, link_name) {
2229 char *new_link_name =
2230 remplace(link_name, list_src, rc_src, list_dst, rc_dst);
2232 xbt_dict_get_or_null(surf_network_model->resource_set,
2235 xbt_dynar_push(links_list, &link);
2237 THROW1(mismatch_error, 0, "Link %s not found", new_link_name);
2238 xbt_free(new_link_name);
2242 if (rc_src >= 0 && rc_dst >= 0)
2246 route_extended_t new_e_route = NULL;
2247 if (rc_src >= 0 && rc_dst >= 0) {
2248 new_e_route = xbt_new0(s_route_extended_t, 1);
2249 new_e_route->generic_route.link_list = links_list;
2250 } else if (!strcmp(src, dst) && are_processing_units) {
2251 new_e_route = xbt_new0(s_route_extended_t, 1);
2252 xbt_dynar_push(links_list, &(global_routing->loopback));
2253 new_e_route->generic_route.link_list = links_list;
2255 xbt_dynar_free(&link_list);
2258 if (!are_processing_units && new_e_route) {
2259 rule_route_extended_t ruleroute_extended =
2260 (rule_route_extended_t) ruleroute;
2261 new_e_route->src_gateway =
2262 remplace(ruleroute_extended->re_src_gateway, list_src, rc_src,
2264 new_e_route->dst_gateway =
2265 remplace(ruleroute_extended->re_dst_gateway, list_src, rc_src,
2270 pcre_free_substring_list(list_src);
2272 pcre_free_substring_list(list_dst);
2277 static route_extended_t rulebased_get_bypass_route(routing_component_t rc,
2284 static void rulebased_finalize(routing_component_t rc)
2286 routing_component_rulebased_t routing =
2287 (routing_component_rulebased_t) rc;
2289 xbt_dict_free(&routing->dict_processing_units);
2290 xbt_dict_free(&routing->dict_autonomous_systems);
2291 xbt_dynar_free(&routing->list_route);
2292 xbt_dynar_free(&routing->list_ASroute);
2293 /* Delete structure */
2298 /* Creation routing model functions */
2299 static void *model_rulebased_create(void)
2301 routing_component_rulebased_t new_component =
2302 xbt_new0(s_routing_component_rulebased_t, 1);
2303 new_component->generic_routing.set_processing_unit =
2304 model_rulebased_set_processing_unit;
2305 new_component->generic_routing.set_autonomous_system =
2306 model_rulebased_set_autonomous_system;
2307 new_component->generic_routing.set_route = model_rulebased_set_route;
2308 new_component->generic_routing.set_ASroute = model_rulebased_set_ASroute;
2309 new_component->generic_routing.set_bypassroute = model_rulebased_set_bypassroute;
2310 new_component->generic_routing.get_onelink_routes = rulebased_get_onelink_routes;
2311 new_component->generic_routing.get_route = rulebased_get_route;
2312 new_component->generic_routing.get_bypass_route = generic_get_bypassroute; //rulebased_get_bypass_route;
2313 new_component->generic_routing.finalize = rulebased_finalize;
2314 /* initialization of internal structures */
2315 new_component->dict_processing_units = xbt_dict_new();
2316 new_component->dict_autonomous_systems = xbt_dict_new();
2317 new_component->list_route = xbt_dynar_new(sizeof(rule_route_t), &rule_route_free);
2318 new_component->list_ASroute =
2319 xbt_dynar_new(sizeof(rule_route_extended_t),
2320 &rule_route_extended_free);
2321 return new_component;
2324 static void model_rulebased_load(void)
2326 /* use "surfxml_add_callback" to add a parse function call */
2329 static void model_rulebased_unload(void)
2331 /* use "surfxml_del_callback" to remove a parse function call */
2334 static void model_rulebased_end(void)
2338 #endif /* HAVE_PCRE_LIB */
2340 /* ************************************************************************** */
2341 /* ******************************* NO ROUTING ******************************* */
2343 /* Routing model structure */
2345 s_routing_component_t generic_routing;
2346 } s_routing_component_none_t, *routing_component_none_t;
2348 /* Business methods */
2349 static xbt_dynar_t none_get_onelink_routes(routing_component_t rc)
2354 static route_extended_t none_get_route(routing_component_t rc,
2355 const char *src, const char *dst)
2360 static route_extended_t none_get_bypass_route(routing_component_t rc,
2367 static void none_finalize(routing_component_t rc)
2372 static void none_set_processing_unit(routing_component_t rc,
2377 static void none_set_autonomous_system(routing_component_t rc,
2382 /* Creation routing model functions */
2383 static void *model_none_create(void)
2385 routing_component_none_t new_component =
2386 xbt_new0(s_routing_component_none_t, 1);
2387 new_component->generic_routing.set_processing_unit =
2388 none_set_processing_unit;
2389 new_component->generic_routing.set_autonomous_system =
2390 none_set_autonomous_system;
2391 new_component->generic_routing.set_route = NULL;
2392 new_component->generic_routing.set_ASroute = NULL;
2393 new_component->generic_routing.set_bypassroute = NULL;
2394 new_component->generic_routing.get_route = none_get_route;
2395 new_component->generic_routing.get_onelink_routes =
2396 none_get_onelink_routes;
2397 new_component->generic_routing.get_bypass_route = none_get_bypass_route;
2398 new_component->generic_routing.finalize = none_finalize;
2399 return new_component;
2402 static void model_none_load(void)
2406 static void model_none_unload(void)
2410 static void model_none_end(void)
2414 /* ************************************************** */
2415 /* ********** PATERN FOR NEW ROUTING **************** */
2417 /* The minimal configuration of a new routing model need the next functions,
2418 * also you need to set at the start of the file, the new model in the model
2419 * list. Remember keep the null ending of the list.
2421 /*** Routing model structure ***/
2423 // s_routing_component_t generic_routing;
2424 // /* things that your routing model need */
2425 // } s_routing_component_NEW_t,*routing_component_NEW_t;
2427 /*** Parse routing model functions ***/
2428 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
2429 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
2430 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
2431 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
2432 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
2434 /*** Business methods ***/
2435 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2436 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2437 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
2439 /*** Creation routing model functions ***/
2440 // static void* model_NEW_create(void) {
2441 // routing_component_NEW_t new_component = xbt_new0(s_routing_component_NEW_t,1);
2442 // new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
2443 // new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
2444 // new_component->generic_routing.set_route = model_NEW_set_route;
2445 // new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
2446 // new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
2447 // new_component->generic_routing.get_route = NEW_get_route;
2448 // new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
2449 // new_component->generic_routing.finalize = NEW_finalize;
2450 // /* initialization of internal structures */
2451 // return new_component;
2452 // } /* mandatory */
2453 // static void model_NEW_load(void) {} /* mandatory */
2454 // static void model_NEW_unload(void) {} /* mandatory */
2455 // static void model_NEW_end(void) {} /* mandatory */
2457 /* ************************************************************************** */
2458 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
2460 static void generic_set_processing_unit(routing_component_t rc,
2463 DEBUG1("Load process unit \"%s\"", name);
2464 int *id = xbt_new0(int, 1);
2465 xbt_dict_t _to_index;
2466 _to_index = current_routing->to_index;
2467 *id = xbt_dict_length(_to_index);
2468 xbt_dict_set(_to_index, name, id, xbt_free);
2471 static void generic_set_autonomous_system(routing_component_t rc,
2474 DEBUG1("Load Autonomous system \"%s\"", name);
2475 int *id = xbt_new0(int, 1);
2476 xbt_dict_t _to_index;
2477 _to_index = current_routing->to_index;
2478 *id = xbt_dict_length(_to_index);
2479 xbt_dict_set(_to_index, name, id, xbt_free);
2482 static void generic_set_route(routing_component_t rc, const char *src,
2483 const char *dst, route_t route)
2485 DEBUG2("Load Route from \"%s\" to \"%s\"", src, dst);
2486 xbt_dict_t _parse_routes;
2487 xbt_dict_t _to_index;
2489 int *src_id, *dst_id;
2490 unsigned long nb_links = xbt_dynar_length(route->link_list);
2492 _to_index = current_routing->to_index;
2494 _parse_routes = current_routing->parse_routes;
2496 src_id = xbt_dict_get_or_null(_to_index, src);
2497 dst_id = xbt_dict_get_or_null(_to_index, dst);
2500 && dst_id, "Network elements %s or %s not found", src, dst);
2501 route_name = bprintf("%d#%d", *src_id, *dst_id);
2503 xbt_assert2(xbt_dynar_length(route->link_list) > 0,
2504 "Invalid count of links, must be greater than zero (%s,%s)",
2506 xbt_assert2(!xbt_dict_get_or_null(_parse_routes, route_name),
2507 "The route between \"%s\" and \"%s\" already exist", src,
2510 xbt_dict_set(_parse_routes, route_name, route, NULL);
2511 xbt_free(route_name);
2513 if(A_surfxml_route_symetrical == A_surfxml_route_symetrical_YES)
2516 route_t route_sym = xbt_new0(s_route_t, 1);
2517 route_sym->link_list = xbt_dynar_new(sizeof(char *),NULL);
2518 for(i=nb_links ; i>0 ; i--)
2520 char *link_name = xbt_new0(char,strlen(xbt_dynar_get_as(route->link_list, i-1, char *)));
2521 link_name = bprintf("%s",xbt_dynar_get_as(route->link_list, i-1, char *));
2522 xbt_dynar_push_as(route_sym->link_list ,char *, link_name);
2524 DEBUG2("Load Route from \"%s\" to \"%s\"", dst, src);
2525 xbt_dict_set(_parse_routes, bprintf("%d#%d",*dst_id, *src_id), route_sym, NULL);
2529 static void generic_set_ASroute(routing_component_t rc, const char *src,
2530 const char *dst, route_extended_t e_route)
2532 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
2533 e_route->src_gateway, dst, e_route->dst_gateway);
2535 xbt_dict_t _parse_routes;
2536 xbt_dict_t _to_index;
2538 int *src_id, *dst_id;
2539 _to_index = current_routing->to_index;
2540 _parse_routes = current_routing->parse_routes;
2543 src_id = xbt_dict_get_or_null(_to_index, src);
2544 dst_id = xbt_dict_get_or_null(_to_index, dst);
2547 && dst_id, "Network elements %s or %s not found", src, dst);
2548 route_name = bprintf("%d#%d", *src_id, *dst_id);
2550 xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
2551 "Invalid count of links, must be greater than zero (%s,%s)",
2553 xbt_assert4(!xbt_dict_get_or_null(_parse_routes, route_name),
2554 "The route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",
2555 src, e_route->src_gateway, dst, e_route->dst_gateway);
2557 xbt_dict_set(_parse_routes, route_name, e_route, NULL);
2558 xbt_free(route_name);
2560 unsigned long nb_links = xbt_dynar_length(e_route->generic_route.link_list);
2561 if(A_surfxml_ASroute_symetrical == A_surfxml_ASroute_symetrical_YES)
2564 route_extended_t route_sym = xbt_new0(s_route_extended_t, 1);
2565 route_sym->generic_route.link_list = xbt_dynar_new(sizeof(char *),NULL);
2566 for(i=nb_links ; i>0 ; i--)
2568 char *link_name = xbt_new0(char,strlen(xbt_dynar_get_as(e_route->generic_route.link_list, i-1, char *)));
2569 link_name = bprintf("%s",xbt_dynar_get_as(e_route->generic_route.link_list, i-1, char *));
2570 xbt_dynar_push_as(route_sym->generic_route.link_list ,char *, link_name);
2572 route_sym->src_gateway = xbt_new0( char,strlen(e_route->dst_gateway) );
2573 route_sym->src_gateway = bprintf("%s",e_route->dst_gateway);
2574 route_sym->dst_gateway = xbt_new0( char,strlen(e_route->src_gateway) );
2575 route_sym->dst_gateway = bprintf("%s",e_route->src_gateway);
2576 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"",dst, route_sym->src_gateway,src,route_sym->dst_gateway);
2577 xbt_dict_set(_parse_routes, bprintf("%d#%d", *dst_id, *src_id), route_sym, NULL);
2581 static void generic_set_bypassroute(routing_component_t rc,
2582 const char *src, const char *dst,
2583 route_extended_t e_route)
2585 DEBUG2("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
2586 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
2589 route_name = bprintf("%s#%s", src, dst);
2590 xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
2591 "Invalid count of links, must be greater than zero (%s,%s)",
2593 xbt_assert4(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
2594 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",
2595 src, e_route->src_gateway, dst, e_route->dst_gateway);
2597 route_extended_t new_e_route =
2598 generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
2599 xbt_dynar_free(&(e_route->generic_route.link_list));
2602 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
2603 (void (*)(void *)) generic_free_extended_route);
2604 xbt_free(route_name);
2607 /* ************************************************************************** */
2608 /* *********************** GENERIC BUSINESS METHODS ************************* */
2610 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
2612 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
2615 static route_extended_t generic_get_bypassroute(routing_component_t rc,
2619 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
2620 routing_component_t src_as, dst_as;
2621 int index_src, index_dst;
2622 xbt_dynar_t path_src = NULL;
2623 xbt_dynar_t path_dst = NULL;
2624 routing_component_t current = NULL;
2625 routing_component_t *current_src = NULL;
2626 routing_component_t *current_dst = NULL;
2628 /* (1) find the as where the src and dst are located */
2629 src_as = ((network_element_info_t)
2630 xbt_dict_get_or_null(global_routing->where_network_elements,
2631 src))->rc_component;
2632 dst_as = ((network_element_info_t)
2633 xbt_dict_get_or_null(global_routing->where_network_elements,
2634 dst))->rc_component;
2637 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
2640 /* (2) find the path to the root routing component */
2641 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
2643 while (current != NULL) {
2644 xbt_dynar_push(path_src, ¤t);
2645 current = current->routing_father;
2647 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
2649 while (current != NULL) {
2650 xbt_dynar_push(path_dst, ¤t);
2651 current = current->routing_father;
2654 /* (3) find the common father */
2655 index_src = (path_src->used) - 1;
2656 index_dst = (path_dst->used) - 1;
2657 current_src = xbt_dynar_get_ptr(path_src, index_src);
2658 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
2659 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
2660 routing_component_t *tmp_src, *tmp_dst;
2661 tmp_src = xbt_dynar_pop_ptr(path_src);
2662 tmp_dst = xbt_dynar_pop_ptr(path_dst);
2665 current_src = xbt_dynar_get_ptr(path_src, index_src);
2666 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
2669 int max_index_src = (path_src->used) - 1;
2670 int max_index_dst = (path_dst->used) - 1;
2672 int max_index = max(max_index_src, max_index_dst);
2675 route_extended_t e_route_bypass = NULL;
2677 for (max = 0; max <= max_index; max++) {
2678 for (i = 0; i < max; i++) {
2679 if (i <= max_index_src && max <= max_index_dst) {
2680 char *route_name = bprintf("%s#%s",
2681 (*(routing_component_t *)
2683 (path_src, i)))->name,
2684 (*(routing_component_t *)
2686 (path_dst, max)))->name);
2688 xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2689 xbt_free(route_name);
2693 if (max <= max_index_src && i <= max_index_dst) {
2694 char *route_name = bprintf("%s#%s",
2695 (*(routing_component_t *)
2697 (path_src, max)))->name,
2698 (*(routing_component_t *)
2700 (path_dst, i)))->name);
2702 xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2703 xbt_free(route_name);
2712 if (max <= max_index_src && max <= max_index_dst) {
2713 char *route_name = bprintf("%s#%s",
2714 (*(routing_component_t *)
2716 (path_src, max)))->name,
2717 (*(routing_component_t *)
2719 (path_dst, max)))->name);
2720 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2721 xbt_free(route_name);
2727 xbt_dynar_free(&path_src);
2728 xbt_dynar_free(&path_dst);
2730 route_extended_t new_e_route = NULL;
2732 if (e_route_bypass) {
2734 unsigned int cpt = 0;
2735 new_e_route = xbt_new0(s_route_extended_t, 1);
2736 new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
2737 new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
2738 new_e_route->generic_route.link_list =
2739 xbt_dynar_new(global_routing->size_of_link, NULL);
2740 xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
2741 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
2748 /* ************************************************************************** */
2749 /* ************************* GENERIC AUX FUNCTIONS ************************** */
2751 static route_extended_t
2752 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
2753 void *data, int order)
2757 route_extended_t e_route, new_e_route;
2760 xbt_dynar_t links = NULL, links_id = NULL;
2762 new_e_route = xbt_new0(s_route_extended_t, 1);
2763 new_e_route->generic_route.link_list =
2764 xbt_dynar_new(global_routing->size_of_link, NULL);
2765 new_e_route->src_gateway = NULL;
2766 new_e_route->dst_gateway = NULL;
2768 xbt_assert0(hierarchy == SURF_ROUTING_BASE
2769 || hierarchy == SURF_ROUTING_RECURSIVE,
2770 "the hierarchy type is not defined");
2772 if (hierarchy == SURF_ROUTING_BASE) {
2774 route = (route_t) data;
2775 links = route->link_list;
2777 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
2779 e_route = (route_extended_t) data;
2780 xbt_assert0(e_route->src_gateway
2781 && e_route->dst_gateway, "bad gateway, is null");
2782 links = e_route->generic_route.link_list;
2784 /* remeber not erase the gateway names */
2785 new_e_route->src_gateway = e_route->src_gateway;
2786 new_e_route->dst_gateway = e_route->dst_gateway;
2789 links_id = new_e_route->generic_route.link_list;
2791 xbt_dynar_foreach(links, cpt, link_name) {
2794 xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
2797 xbt_dynar_push(links_id, &link);
2799 xbt_dynar_unshift(links_id, &link);
2801 THROW1(mismatch_error, 0, "Link %s not found", link_name);
2807 static void generic_free_route(route_t route)
2810 xbt_dynar_free(&(route->link_list));
2815 static void generic_free_extended_route(route_extended_t e_route)
2818 xbt_dynar_free(&(e_route->generic_route.link_list));
2819 if (e_route->src_gateway)
2820 xbt_free(e_route->src_gateway);
2821 if (e_route->dst_gateway)
2822 xbt_free(e_route->dst_gateway);
2827 static routing_component_t generic_as_exist(routing_component_t find_from,
2828 routing_component_t to_find)
2830 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
2831 xbt_dict_cursor_t cursor = NULL;
2834 routing_component_t elem;
2835 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
2836 if (to_find == elem || generic_as_exist(elem, to_find)) {
2846 static routing_component_t
2847 generic_autonomous_system_exist(routing_component_t rc, char *element)
2849 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
2850 routing_component_t element_as, result, elem;
2851 xbt_dict_cursor_t cursor = NULL;
2853 element_as = ((network_element_info_t)
2854 xbt_dict_get_or_null
2855 (global_routing->where_network_elements,
2856 element))->rc_component;
2857 result = ((routing_component_t) - 1);
2858 if (element_as != rc)
2859 result = generic_as_exist(rc, element_as);
2863 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
2864 found = !strcmp(elem->name, element);
2874 static routing_component_t
2875 generic_processing_units_exist(routing_component_t rc, char *element)
2877 routing_component_t element_as;
2878 element_as = ((network_element_info_t)
2879 xbt_dict_get_or_null
2880 (global_routing->where_network_elements,
2881 element))->rc_component;
2882 if (element_as == rc)
2884 return generic_as_exist(rc, element_as);
2887 static void generic_src_dst_check(routing_component_t rc, const char *src,
2891 routing_component_t src_as = ((network_element_info_t)
2892 xbt_dict_get_or_null
2893 (global_routing->where_network_elements,
2894 src))->rc_component;
2895 routing_component_t dst_as = ((network_element_info_t)
2896 xbt_dict_get_or_null
2897 (global_routing->where_network_elements,
2898 dst))->rc_component;
2900 xbt_assert3(src_as != NULL && dst_as != NULL,
2901 "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
2902 src, dst, rc->name);
2903 xbt_assert4(src_as == dst_as,
2904 "The src(%s in %s) and dst(%s in %s) are in differents AS",
2905 src, src_as->name, dst, dst_as->name);
2906 xbt_assert2(rc == dst_as,
2907 "The routing component of src and dst is not the same as the network elements belong (%s==%s)",
2908 rc->name, dst_as->name);
2911 static void parse_Sconfig(void)
2914 DEBUG0("WARNING tag config not yet implemented.");
2915 DEBUG1("Configuration name = %s",A_surfxml_config_id);
2918 static void parse_Econfig(void)
2921 xbt_dict_cursor_t cursor = NULL;
2924 xbt_dict_foreach(current_property_set, cursor, key, elem) {
2925 DEBUG2("property : %s = %s",key,elem);
2929 static void routing_full_parse_Scluster(void)
2931 static int AX_ptr = 0;
2933 char *cluster_id = A_surfxml_cluster_id;
2934 char *cluster_prefix = A_surfxml_cluster_prefix;
2935 char *cluster_suffix = A_surfxml_cluster_suffix;
2936 char *cluster_radical = A_surfxml_cluster_radical;
2937 char *cluster_power = A_surfxml_cluster_power;
2938 char *cluster_bw = A_surfxml_cluster_bw;
2939 char *cluster_lat = A_surfxml_cluster_lat;
2940 char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
2941 char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
2942 char *host_id, *groups, *link_id = NULL;
2943 char *router_id, *link_router, *link_backbone, *route_src_dst;
2946 xbt_dynar_t radical_elements;
2947 xbt_dynar_t radical_ends;
2948 int cluster_sharing_policy = AX_surfxml_cluster_sharing_policy;
2950 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
2951 {DEBUG0("cluster with sharing_policy FULLDUPLEX");}
2952 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_SHARED)
2953 {DEBUG0("cluster with sharing_policy SHARED");}
2955 #ifndef HAVE_PCRE_LIB
2956 xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
2957 char *route_src, *route_dst;
2961 static unsigned int surfxml_buffer_stack_stack_ptr = 1;
2962 static unsigned int surfxml_buffer_stack_stack[1024];
2964 surfxml_buffer_stack_stack[0] = 0;
2966 surfxml_bufferstack_push(1);
2968 SURFXML_BUFFER_SET(AS_id, cluster_id);
2969 #ifdef HAVE_PCRE_LIB
2970 SURFXML_BUFFER_SET(AS_routing, "RuleBased");
2971 DEBUG1("<AS id=\"%s\"\trouting=\"RuleBased\">", cluster_id);
2973 SURFXML_BUFFER_SET(AS_routing, "Full");
2974 DEBUG1("<AS id=\"%s\"\trouting=\"Full\">", cluster_id);
2976 SURFXML_START_TAG(AS);
2978 radical_elements = xbt_str_split(cluster_radical, ",");
2979 xbt_dynar_foreach(radical_elements, iter, groups) {
2980 radical_ends = xbt_str_split(groups, "-");
2981 switch (xbt_dynar_length(radical_ends)) {
2983 surf_parse_get_int(&start,
2984 xbt_dynar_get_as(radical_ends, 0, char *));
2985 host_id = bprintf("%s%d%s", cluster_prefix, start, cluster_suffix);
2986 #ifndef HAVE_PCRE_LIB
2987 xbt_dynar_push_as(tab_elements_num, int, start);
2989 link_id = bprintf("%s_link_%d", cluster_id, start);
2991 DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
2992 A_surfxml_host_state = A_surfxml_host_state_ON;
2993 SURFXML_BUFFER_SET(host_id, host_id);
2994 SURFXML_BUFFER_SET(host_power, cluster_power);
2995 SURFXML_BUFFER_SET(host_availability, "1.0");
2996 SURFXML_BUFFER_SET(host_availability_file, "");
2997 SURFXML_BUFFER_SET(host_state_file, "");
2998 SURFXML_START_TAG(host);
2999 SURFXML_END_TAG(host);
3001 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,cluster_bw, cluster_lat);
3002 A_surfxml_link_state = A_surfxml_link_state_ON;
3003 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3004 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3005 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3006 SURFXML_BUFFER_SET(link_id, link_id);
3007 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3008 SURFXML_BUFFER_SET(link_latency, cluster_lat);
3009 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3010 SURFXML_BUFFER_SET(link_latency_file, "");
3011 SURFXML_BUFFER_SET(link_state_file, "");
3012 SURFXML_START_TAG(link);
3013 SURFXML_END_TAG(link);
3019 surf_parse_get_int(&start,
3020 xbt_dynar_get_as(radical_ends, 0, char *));
3021 surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
3022 DEBUG2("Create hosts and links from %d to %d", start, end);
3023 for (i = start; i <= end; i++) {
3024 host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
3025 #ifndef HAVE_PCRE_LIB
3026 xbt_dynar_push_as(tab_elements_num, int, i);
3028 link_id = bprintf("%s_link_%d", cluster_id, i);
3030 DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
3031 A_surfxml_host_state = A_surfxml_host_state_ON;
3032 SURFXML_BUFFER_SET(host_id, host_id);
3033 SURFXML_BUFFER_SET(host_power, cluster_power);
3034 SURFXML_BUFFER_SET(host_availability, "1.0");
3035 SURFXML_BUFFER_SET(host_availability_file, "");
3036 SURFXML_BUFFER_SET(host_state_file, "");
3037 SURFXML_START_TAG(host);
3038 SURFXML_END_TAG(host);
3040 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,cluster_bw, cluster_lat);
3041 A_surfxml_link_state = A_surfxml_link_state_ON;
3042 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3043 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3044 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3045 SURFXML_BUFFER_SET(link_id, link_id);
3046 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3047 SURFXML_BUFFER_SET(link_latency, cluster_lat);
3048 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3049 SURFXML_BUFFER_SET(link_latency_file, "");
3050 SURFXML_BUFFER_SET(link_state_file, "");
3051 SURFXML_START_TAG(link);
3052 SURFXML_END_TAG(link);
3057 DEBUG0("Malformed radical");
3060 xbt_dynar_free(&radical_ends);
3065 bprintf("%s%s_router%s", cluster_prefix, cluster_id,
3067 link_router = bprintf("%s_link_%s_router", cluster_id, cluster_id);
3068 link_backbone = bprintf("%s_backbone", cluster_id);
3070 DEBUG1("<router id=\"%s\"/>", router_id);
3071 SURFXML_BUFFER_SET(router_id, router_id);;
3072 SURFXML_START_TAG(router);
3073 SURFXML_END_TAG(router);
3075 DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_router,cluster_bw, cluster_lat);
3076 A_surfxml_link_state = A_surfxml_link_state_ON;
3077 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3078 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3079 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3080 SURFXML_BUFFER_SET(link_id, link_router);
3081 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3082 SURFXML_BUFFER_SET(link_latency, cluster_lat);
3083 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3084 SURFXML_BUFFER_SET(link_latency_file, "");
3085 SURFXML_BUFFER_SET(link_state_file, "");
3086 SURFXML_START_TAG(link);
3087 SURFXML_END_TAG(link);
3089 DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_backbone,cluster_bw, cluster_lat);
3090 A_surfxml_link_state = A_surfxml_link_state_ON;
3091 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3092 SURFXML_BUFFER_SET(link_id, link_backbone);
3093 SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
3094 SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
3095 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3096 SURFXML_BUFFER_SET(link_latency_file, "");
3097 SURFXML_BUFFER_SET(link_state_file, "");
3098 SURFXML_START_TAG(link);
3099 SURFXML_END_TAG(link);
3101 char *new_suffix = bprintf("%s", "");
3103 radical_elements = xbt_str_split(cluster_suffix, ".");
3104 xbt_dynar_foreach(radical_elements, iter, groups) {
3105 if (strcmp(groups, "")) {
3106 new_suffix = bprintf("%s\\.%s", new_suffix, groups);
3109 route_src_dst = bprintf("%s(.*)%s", cluster_prefix, new_suffix);
3113 #ifdef HAVE_PCRE_LIB
3115 DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, route_src_dst);
3116 DEBUG0("symetrical=\"NO\">");
3117 SURFXML_BUFFER_SET(route_src, route_src_dst);
3118 SURFXML_BUFFER_SET(route_dst, route_src_dst);
3119 A_surfxml_route_symetrical = A_surfxml_route_symetrical_NO;
3120 SURFXML_START_TAG(route);
3122 DEBUG1("<link_ctn\tid=\"%s_link_$1src\"/>", cluster_id);
3123 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1src", cluster_id));
3124 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3125 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3126 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3127 SURFXML_START_TAG(link_ctn);
3128 SURFXML_END_TAG(link_ctn);
3130 DEBUG1("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
3131 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
3132 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3133 SURFXML_START_TAG(link_ctn);
3134 SURFXML_END_TAG(link_ctn);
3136 DEBUG1("<link_ctn\tid=\"%s_link_$1dst\"/>", cluster_id);
3137 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1dst", cluster_id));
3138 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3139 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3140 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3141 SURFXML_START_TAG(link_ctn);
3142 SURFXML_END_TAG(link_ctn);
3145 SURFXML_END_TAG(route);
3147 for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
3148 for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
3149 if (i == xbt_dynar_length(tab_elements_num)) {
3150 route_src = router_id;
3153 bprintf("%s%d%s", cluster_prefix,
3154 xbt_dynar_get_as(tab_elements_num, i, int),
3158 if (j == xbt_dynar_length(tab_elements_num)) {
3159 route_dst = router_id;
3162 bprintf("%s%d%s", cluster_prefix,
3163 xbt_dynar_get_as(tab_elements_num, j, int),
3167 DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src, route_dst);
3168 DEBUG0("symetrical=\"NO\">");
3169 SURFXML_BUFFER_SET(route_src, route_src);
3170 SURFXML_BUFFER_SET(route_dst, route_dst);
3171 A_surfxml_route_symetrical = A_surfxml_route_symetrical_NO;
3172 SURFXML_START_TAG(route);
3174 if (i == xbt_dynar_length(tab_elements_num)) {
3175 route_src = link_router;
3178 bprintf("%s_link_%d", cluster_id,
3179 xbt_dynar_get_as(tab_elements_num, i, int));
3182 if (j == xbt_dynar_length(tab_elements_num)) {
3183 route_dst = link_router;
3186 bprintf("%s_link_%d", cluster_id,
3187 xbt_dynar_get_as(tab_elements_num, j, int));
3190 DEBUG1("<link_ctn\tid=\"%s\"/>", route_src);
3191 SURFXML_BUFFER_SET(link_ctn_id, route_src);
3192 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3193 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3194 SURFXML_START_TAG(link_ctn);
3195 SURFXML_END_TAG(link_ctn);
3197 DEBUG1("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
3198 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
3199 SURFXML_START_TAG(link_ctn);
3200 SURFXML_END_TAG(link_ctn);
3202 DEBUG1("<link_ctn\tid=\"%s\"/>", route_dst);
3203 SURFXML_BUFFER_SET(link_ctn_id, route_dst);
3204 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3205 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3206 SURFXML_START_TAG(link_ctn);
3207 SURFXML_END_TAG(link_ctn);
3210 SURFXML_END_TAG(route);
3213 xbt_dynar_free(&tab_elements_num);
3217 SURFXML_END_TAG(AS);
3220 surfxml_bufferstack_pop(1);
3224 * New methods to init the routing model component from the lua script
3228 * calling parse_S_AS_lua with lua values
3230 void routing_AS_init(const char *AS_id, const char *AS_routing)
3232 parse_S_AS_lua((char *) AS_id, (char *) AS_routing);
3236 * calling parse_E_AS_lua to fisnish the creation of routing component
3238 void routing_AS_end(const char *AS_id)
3240 parse_E_AS_lua((char *) AS_id);
3244 * add a host to the network element list
3247 void routing_add_host(const char *host_id)
3249 parse_S_host_lua((char *) host_id);
3253 * Set a new link on the actual list of link for a route or ASroute
3255 void routing_add_link(const char *link_id)
3257 parse_E_link_c_ctn_new_elem_lua((char *) link_id);
3261 *Set the endpoints for a route
3263 void routing_set_route(const char *src_id, const char *dst_id)
3265 parse_S_route_new_and_endpoints_lua((char *) src_id, (char *) dst_id);
3269 * Store the route by calling parse_E_route_store_route
3271 void routing_store_route(void)
3273 parse_E_route_store_route();