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;
28 static double_f_cpvoid_t get_link_latency = NULL;
30 /* Prototypes of each model */
31 static void *model_full_create(void); /* create structures for full routing model */
32 static void model_full_load(void); /* load parse functions for full routing model */
33 static void model_full_unload(void); /* unload parse functions for full routing model */
34 static void model_full_end(void); /* finalize the creation of full routing model */
35 static void model_full_set_route( /* Set the route and ASroute between src and dst */
36 routing_component_t rc, const char *src, const char *dst, name_route_extended_t route);
38 static void *model_floyd_create(void); /* create structures for floyd routing model */
39 static void model_floyd_load(void); /* load parse functions for floyd routing model */
40 static void model_floyd_unload(void); /* unload parse functions for floyd routing model */
41 static void model_floyd_end(void); /* finalize the creation of floyd routing model */
42 static void model_floyd_set_route(routing_component_t rc, const char *src,
43 const char *dst, name_route_extended_t route);
45 static void *model_dijkstra_both_create(int cached); /* create by calling dijkstra or dijkstracache */
46 static void *model_dijkstra_create(void); /* create structures for dijkstra routing model */
47 static void *model_dijkstracache_create(void); /* create structures for dijkstracache routing model */
48 static void model_dijkstra_both_load(void); /* load parse functions for dijkstra routing model */
49 static void model_dijkstra_both_unload(void); /* unload parse functions for dijkstra routing model */
50 static void model_dijkstra_both_end(void); /* finalize the creation of dijkstra routing model */
51 static void model_dijkstra_both_set_route (routing_component_t rc, const char *src,
52 const char *dst, name_route_extended_t route);
54 static void *model_rulebased_create(void); /* create structures for rulebased routing model */
55 static void model_rulebased_load(void); /* load parse functions for rulebased routing model */
56 static void model_rulebased_unload(void); /* unload parse functions for rulebased routing model */
57 static void model_rulebased_end(void); /* finalize the creation of rulebased routing model */
59 static void *model_none_create(void); /* none routing model */
60 static void model_none_load(void); /* none routing model */
61 static void model_none_unload(void); /* none routing model */
62 static void model_none_end(void); /* none routing model */
64 static void routing_parse_Scluster(void); /*cluster bypass */
65 static void routing_parse_Speer(void); /*peer bypass */
67 static void routing_parse_Sconfig(void); /*config Tag */
68 static void routing_parse_Econfig(void); /*config Tag */
70 /* this lines are only for replace use like index in the model table */
75 SURF_MODEL_DIJKSTRACACHE,
83 /* must be finish with null and carefull if change de order */
84 struct s_model_type routing_models[] = { {"Full",
85 "Full routing data (fast, large memory requirements, fully expressive)",
91 "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
92 model_floyd_create, model_floyd_load, model_floyd_unload,
95 "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
96 model_dijkstra_create, model_dijkstra_both_load,
97 model_dijkstra_both_unload, model_dijkstra_both_end},
99 "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
100 model_dijkstracache_create, model_dijkstra_both_load,
101 model_dijkstra_both_unload, model_dijkstra_both_end},
102 {"none", "No routing (usable with Constant network only)",
103 model_none_create, model_none_load, model_none_unload, model_none_end},
105 {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create,
106 model_rulebased_load, model_rulebased_unload, model_rulebased_end},
107 {"Vivaldi", "Vivaldi routing", model_rulebased_create,
108 model_rulebased_load, model_rulebased_unload, model_rulebased_end},
110 {NULL, NULL, NULL, NULL, NULL, NULL}
113 /* ************************************************************************** */
114 /* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
116 static void generic_set_processing_unit(routing_component_t rc,
118 static void generic_set_autonomous_system(routing_component_t rc,
120 static void generic_set_bypassroute(routing_component_t rc,
121 const char *src, const char *dst,
122 route_extended_t e_route);
124 static int surf_link_resource_cmp(const void *a, const void *b);
125 static int surf_pointer_resource_cmp(const void *a, const void *b);
127 /* ************************************************************************** */
128 /* *************** GENERIC BUSINESS METHODS (declarations) ****************** */
130 static double generic_get_link_latency(routing_component_t rc, const char *src, const char *dst);
131 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc);
132 static route_extended_t generic_get_bypassroute(routing_component_t rc,
136 /* ************************************************************************** */
137 /* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
139 static route_extended_t
140 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
141 void *data, int order);
143 generic_new_route(e_surf_routing_hierarchy_t hierarchy,
144 void *data, int order);
145 static void generic_free_route(route_t route);
146 static void generic_free_extended_route(route_extended_t e_route);
147 static routing_component_t
148 generic_autonomous_system_exist(routing_component_t rc, char *element);
149 static routing_component_t
150 generic_processing_units_exist(routing_component_t rc, char *element);
151 static void generic_src_dst_check(routing_component_t rc, const char *src,
154 /* ************************************************************************** */
155 /* **************************** GLOBAL FUNCTIONS **************************** */
157 /* global parse functions */
158 static const char *src = NULL; /* temporary store the source name of a route */
159 static const char *dst = NULL; /* temporary store the destination name of a route */
160 static char *gw_src = NULL; /* temporary store the gateway source name of a route */
161 static char *gw_dst = NULL; /* temporary store the gateway destination name of a route */
162 static xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */
164 static xbt_dict_t coordinates = NULL;
167 static double eculidean_dist_comp(int index, xbt_dynar_t src, xbt_dynar_t dst)
169 double src_coord, dst_coord;
171 src_coord = atof(xbt_dynar_get_as(src, index, char *));
172 dst_coord = atof(xbt_dynar_get_as(dst, index, char *));
174 return (src_coord-dst_coord)*(src_coord-dst_coord);
178 static double vivaldi_get_link_latency (routing_component_t rc,
179 const char *src, const char *dst)
181 double euclidean_dist;
182 xbt_dynar_t src_ctn, dst_ctn;
183 src_ctn = xbt_dict_get(coordinates, src);
184 dst_ctn = xbt_dict_get(coordinates, dst);
186 euclidean_dist = sqrt (eculidean_dist_comp(0,src_ctn,dst_ctn)+eculidean_dist_comp(1,src_ctn,dst_ctn))
187 +fabs(atof(xbt_dynar_get_as(src_ctn, 2, char *)))+fabs(atof(xbt_dynar_get_as(dst_ctn, 2, char *)));
189 xbt_assert2(euclidean_dist>=0, "Euclidean Dist is less than 0\"%s\" and \"%.2f\"", src, euclidean_dist);
191 return euclidean_dist;
194 x = atof(xbt_dynar_get_as(src_ctn, 0, char *))-atof(xbt_dynar_get_as(dst_ctn, 0, char *));
195 y = atof(xbt_dynar_get_as(src_ctn, 1, char *));
196 h = atof(xbt_dynar_get_as(ctn, 2, char *));
197 sqrt((c1->x - c2->x) * (c1->x - c2->x) + (c1->y - c2->y) * (c1->y - c2->y)) + fabs(c1->h) + fabs(c2->h);
199 if (strcmp(coord,"")) {
200 xbt_dynar_t ctn = xbt_str_split_str(coord, " ");
201 xbt_dynar_shrink(ctn,0);
202 xbt_dict_set (coordinates,host_id,ctn,NULL);
208 * \brief Add a "host" to the network element list
210 static void parse_S_host(char *host_id, char* coord)
212 network_element_info_t info = NULL;
213 if (current_routing->hierarchy == SURF_ROUTING_NULL)
214 current_routing->hierarchy = SURF_ROUTING_BASE;
215 xbt_assert1(!xbt_dict_get_or_null
216 (global_routing->where_network_elements, host_id),
217 "Reading a host, processing unit \"%s\" already exists",
219 xbt_assert1(current_routing->set_processing_unit,
220 "no defined method \"set_processing_unit\" in \"%s\"",
221 current_routing->name);
222 (*(current_routing->set_processing_unit)) (current_routing, host_id);
223 info = xbt_new0(s_network_element_info_t, 1);
224 info->rc_component = current_routing;
225 info->rc_type = SURF_NETWORK_ELEMENT_HOST;
226 xbt_dict_set(global_routing->where_network_elements, host_id,
227 (void *) info, NULL);
229 if (strcmp(coord,"")) {
230 xbt_dynar_t ctn = xbt_str_split_str(coord, " ");
231 xbt_dynar_shrink(ctn,0);
232 xbt_dict_set (coordinates,host_id,ctn,NULL);
237 * \brief Add a host to the network element list from XML
239 static void parse_S_host_XML(void)
241 parse_S_host(A_surfxml_host_id, A_surfxml_host_coordinates);
245 * \brief Add a host to the network element list from lua script
247 static void parse_S_host_lua(char *host_id, char *coord)
249 parse_S_host(host_id, coord);
254 * \brief Add a "router" to the network element list
256 static void parse_S_router(void)
258 network_element_info_t info = NULL;
260 if (current_routing->hierarchy == SURF_ROUTING_NULL)
261 current_routing->hierarchy = SURF_ROUTING_BASE;
262 xbt_assert1(!xbt_dict_get_or_null
263 (global_routing->where_network_elements,
264 A_surfxml_router_id),
265 "Reading a router, processing unit \"%s\" already exists",
266 A_surfxml_router_id);
267 xbt_assert1(current_routing->set_processing_unit,
268 "no defined method \"set_processing_unit\" in \"%s\"",
269 current_routing->name);
270 (*(current_routing->set_processing_unit)) (current_routing,
271 A_surfxml_router_id);
272 info = xbt_new0(s_network_element_info_t, 1);
273 info->rc_component = current_routing;
274 info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
275 xbt_dict_set(global_routing->where_network_elements, A_surfxml_router_id,
276 (void *) info, NULL);
278 TRACE_surf_host_declaration(A_surfxml_router_id, 0);
280 if (strcmp(A_surfxml_router_coordinates,"")) {
281 xbt_dynar_t ctn = xbt_str_split_str(A_surfxml_router_coordinates, " ");
282 xbt_dynar_shrink(ctn,0);
283 xbt_dict_set (coordinates,A_surfxml_router_id,ctn,NULL);
288 * \brief Set the endponints for a route
290 static void parse_S_route_new_and_endpoints(const char *src_id, const char *dst_id)
292 if (src != NULL && dst != NULL && link_list != NULL)
293 THROW2(arg_error, 0, "Route between %s to %s can not be defined",
297 xbt_assert2(strlen(src) > 0 || strlen(dst) > 0,
298 "Some limits are null in the route between \"%s\" and \"%s\"",
300 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
304 * \brief Set the endpoints for a route from XML
306 static void parse_S_route_new_and_endpoints_XML(void)
308 parse_S_route_new_and_endpoints(A_surfxml_route_src,
309 A_surfxml_route_dst);
313 * \brief Set the endpoints for a route from lua
315 static void parse_S_route_new_and_endpoints_lua(const char *id_src, const char *id_dst)
317 parse_S_route_new_and_endpoints(id_src, id_dst);
321 * \brief Set the endponints and gateways for a ASroute
323 static void parse_S_ASroute_new_and_endpoints(void)
325 if (src != NULL && dst != NULL && link_list != NULL)
326 THROW2(arg_error, 0, "Route between %s to %s can not be defined",
327 A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
328 src = A_surfxml_ASroute_src;
329 dst = A_surfxml_ASroute_dst;
330 gw_src = A_surfxml_ASroute_gw_src;
331 gw_dst = A_surfxml_ASroute_gw_dst;
332 xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
333 || strlen(gw_dst) > 0,
334 "Some limits are null in the route between \"%s\" and \"%s\"",
336 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
340 * \brief Set the endponints for a bypassRoute
342 static void parse_S_bypassRoute_new_and_endpoints(void)
344 if (src != NULL && dst != NULL && link_list != NULL)
346 "Bypass Route between %s to %s can not be defined",
347 A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
348 src = A_surfxml_bypassRoute_src;
349 dst = A_surfxml_bypassRoute_dst;
350 gw_src = A_surfxml_bypassRoute_gw_src;
351 gw_dst = A_surfxml_bypassRoute_gw_dst;
352 xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
353 || strlen(gw_dst) > 0,
354 "Some limits are null in the route between \"%s\" and \"%s\"",
356 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
360 * \brief Set a new link on the actual list of link for a route or ASroute
362 static void parse_E_link_ctn_new_elem(char *link_id)
365 val = xbt_strdup(link_id);
366 xbt_dynar_push(link_list, &val);
370 * \brief Set a new link on the actual list of link for a route or ASroute from XML
373 static void parse_E_link_ctn_new_elem_XML(void)
375 if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_NONE)
376 parse_E_link_ctn_new_elem(A_surfxml_link_ctn_id);
377 if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_UP) {
378 char *link_id = bprintf("%s_UP", A_surfxml_link_ctn_id);
379 parse_E_link_ctn_new_elem(link_id);
382 if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_DOWN) {
383 char *link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
384 parse_E_link_ctn_new_elem(link_id);
390 * \brief Set a new link on the actual list of link for a route or ASroute from lua
392 static void parse_E_link_c_ctn_new_elem_lua(char *link_id)
394 parse_E_link_ctn_new_elem(link_id);
398 * \brief Store the route by calling the set_route function of the current routing component
400 static void parse_E_route_store_route(void)
402 name_route_extended_t route = xbt_new0(s_name_route_extended_t, 1);
403 route->generic_route.link_list = link_list;
404 xbt_assert1(current_routing->set_route,
405 "no defined method \"set_route\" in \"%s\"",
406 current_routing->name);
407 (*(current_routing->set_route)) (current_routing, src, dst, route);
414 * \brief Store the ASroute by calling the set_ASroute function of the current routing component
416 static void parse_E_ASroute_store_route(void)
418 name_route_extended_t e_route = xbt_new0(s_name_route_extended_t, 1);
419 e_route->generic_route.link_list = link_list;
420 e_route->src_gateway = xbt_strdup(gw_src);
421 e_route->dst_gateway = xbt_strdup(gw_dst);
422 xbt_assert1(current_routing->set_ASroute,
423 "no defined method \"set_ASroute\" in \"%s\"",
424 current_routing->name);
425 (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
434 * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
436 static void parse_E_bypassRoute_store_route(void)
438 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
439 e_route->generic_route.link_list = link_list;
440 e_route->src_gateway = xbt_strdup(gw_src);
441 e_route->dst_gateway = xbt_strdup(gw_dst);
442 xbt_assert1(current_routing->set_bypassroute,
443 "no defined method \"set_bypassroute\" in \"%s\"",
444 current_routing->name);
445 (*(current_routing->set_bypassroute)) (current_routing, src, dst,
455 * \brief Make a new routing component
457 * make the new structure and
458 * set the parsing functions to allows parsing the part of the routing tree
460 static void parse_S_AS(char *AS_id, char *AS_routing)
462 routing_component_t new_routing;
463 model_type_t model = NULL;
464 char *wanted = AS_routing;
466 /* seach the routing model */
467 for (cpt = 0; routing_models[cpt].name; cpt++)
468 if (!strcmp(wanted, routing_models[cpt].name))
469 model = &routing_models[cpt];
470 /* if its not exist, error */
472 fprintf(stderr, "Routing model %s not found. Existing models:\n",
474 for (cpt = 0; routing_models[cpt].name; cpt++)
475 if (!strcmp(wanted, routing_models[cpt].name))
476 fprintf(stderr, " %s: %s\n", routing_models[cpt].name,
477 routing_models[cpt].desc);
481 /* make a new routing component */
482 new_routing = (routing_component_t) (*(model->create)) ();
483 new_routing->routing = model;
484 new_routing->hierarchy = SURF_ROUTING_NULL;
485 new_routing->name = xbt_strdup(AS_id);
486 new_routing->routing_sons = xbt_dict_new();
488 /* Hack for Vivaldi */
489 if(!strcmp(model->name,"Vivaldi"))
490 new_routing->get_latency = vivaldi_get_link_latency;
492 if (current_routing == NULL && global_routing->root == NULL) {
494 /* it is the first one */
495 new_routing->routing_father = NULL;
496 global_routing->root = new_routing;
498 } else if (current_routing != NULL && global_routing->root != NULL) {
500 xbt_assert1(!xbt_dict_get_or_null
501 (current_routing->routing_sons, AS_id),
502 "The AS \"%s\" already exists", AS_id);
503 /* it is a part of the tree */
504 new_routing->routing_father = current_routing;
505 /* set the father behavior */
506 if (current_routing->hierarchy == SURF_ROUTING_NULL)
507 current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
508 /* add to the sons dictionary */
509 xbt_dict_set(current_routing->routing_sons, AS_id,
510 (void *) new_routing, NULL);
511 /* add to the father element list */
512 (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
513 /* unload the prev parse rules */
514 (*(current_routing->routing->unload)) ();
517 THROW0(arg_error, 0, "All defined components must be belong to a AS");
519 /* set the new parse rules */
520 (*(new_routing->routing->load)) ();
521 /* set the new current component of the tree */
522 current_routing = new_routing;
526 * Detect the routing model type of the routing component from XML platforms
528 static void parse_S_AS_XML(void)
530 parse_S_AS(A_surfxml_AS_id, A_surfxml_AS_routing);
534 * define the routing model type of routing component from lua script
536 static void parse_S_AS_lua(char *id, char *mode)
538 parse_S_AS(id, mode);
543 * \brief Finish the creation of a new routing component
545 * When you finish to read the routing component, other structures must be created.
546 * the "end" method allow to do that for any routing model type
548 static void parse_E_AS(char *AS_id)
551 if (current_routing == NULL) {
552 THROW1(arg_error, 0, "Close AS(%s), that never open", AS_id);
554 network_element_info_t info = NULL;
555 xbt_assert1(!xbt_dict_get_or_null
556 (global_routing->where_network_elements,
557 current_routing->name), "The AS \"%s\" already exists",
558 current_routing->name);
559 info = xbt_new0(s_network_element_info_t, 1);
560 info->rc_component = current_routing->routing_father;
561 info->rc_type = SURF_NETWORK_ELEMENT_AS;
562 xbt_dict_set(global_routing->where_network_elements,
563 current_routing->name, info, NULL);
564 (*(current_routing->routing->unload)) ();
565 (*(current_routing->routing->end)) ();
566 current_routing = current_routing->routing_father;
567 if (current_routing != NULL)
568 (*(current_routing->routing->load)) ();
573 * \brief Finish the creation of a new routing component from XML
575 static void parse_E_AS_XML(void)
577 parse_E_AS(A_surfxml_AS_id);
581 * \brief Finish the creation of a new routing component from lua
583 static void parse_E_AS_lua(char *id)
588 /* Aux Business methods */
591 * \brief Get the AS father and the first elements of the chain
593 * \param src the source host name
594 * \param dst the destination host name
596 * Get the common father of the to processing units, and the first different
597 * father in the chain
599 static xbt_dynar_t elements_father(const char *src, const char *dst)
602 xbt_assert0(src && dst, "bad parameters for \"elements_father\" method");
604 xbt_dynar_t result = xbt_dynar_new(sizeof(char *), NULL);
606 routing_component_t src_as, dst_as;
607 int index_src, index_dst, index_father_src, index_father_dst;
608 xbt_dynar_t path_src = NULL;
609 xbt_dynar_t path_dst = NULL;
610 routing_component_t current = NULL;
611 routing_component_t *current_src = NULL;
612 routing_component_t *current_dst = NULL;
613 routing_component_t *father = NULL;
615 /* (1) find the as where the src and dst are located */
616 src_as = ((network_element_info_t)
617 xbt_dict_get_or_null(global_routing->where_network_elements,
619 dst_as = ((network_element_info_t)
620 xbt_dict_get_or_null(global_routing->where_network_elements,
624 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
627 /* (2) find the path to the root routing component */
628 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
630 while (current != NULL) {
631 xbt_dynar_push(path_src, ¤t);
632 current = current->routing_father;
634 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
636 while (current != NULL) {
637 xbt_dynar_push(path_dst, ¤t);
638 current = current->routing_father;
641 /* (3) find the common father */
642 index_src = path_src->used - 1;
643 index_dst = path_dst->used - 1;
644 current_src = xbt_dynar_get_ptr(path_src, index_src);
645 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
646 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
647 current_src = xbt_dynar_get_ptr(path_src, index_src);
648 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
654 current_src = xbt_dynar_get_ptr(path_src, index_src);
655 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
657 /* (4) they are not in the same routing component, make the path */
658 index_father_src = index_src + 1;
659 index_father_dst = index_dst + 1;
661 if (*current_src == *current_dst)
662 father = current_src;
664 father = xbt_dynar_get_ptr(path_src, index_father_src);
666 /* (5) result generation */
667 xbt_dynar_push(result, father); /* first same the father of src and dst */
668 xbt_dynar_push(result, current_src); /* second the first different father of src */
669 xbt_dynar_push(result, current_dst); /* three the first different father of dst */
671 xbt_dynar_free(&path_src);
672 xbt_dynar_free(&path_dst);
677 /* Global Business methods */
680 * \brief Recursive function for get_route
682 * \param src the source host name
683 * \param dst the destination host name
685 * This fuction is call by "get_route". It allow to walk through the
686 * routing components tree.
688 static route_extended_t _get_route(const char *src, const char *dst)
692 unsigned int cpt = 0;
694 DEBUG2("Solve route \"%s\" to \"%s\"", src, dst);
696 xbt_assert0(src && dst, "bad parameters for \"_get_route\" method");
698 route_extended_t e_route, e_route_cnt, e_route_src = NULL, e_route_dst =
701 xbt_dynar_t elem_father_list = elements_father(src, dst);
703 routing_component_t common_father =
704 xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
705 routing_component_t src_father =
706 xbt_dynar_get_as(elem_father_list, 1, routing_component_t);
707 routing_component_t dst_father =
708 xbt_dynar_get_as(elem_father_list, 2, routing_component_t);
710 e_route = xbt_new0(s_route_extended_t, 1);
711 e_route->src_gateway = NULL;
712 e_route->dst_gateway = NULL;
713 e_route->generic_route.link_list =
714 xbt_dynar_new(global_routing->size_of_link, NULL);
716 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
718 if (strcmp(src, dst)) {
720 (*(common_father->get_route)) (common_father, src, dst);
721 xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"", src,
723 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
724 xbt_dynar_push(e_route->generic_route.link_list, &link);
726 generic_free_extended_route(e_route_cnt);
729 } else { /* SURF_ROUTING_RECURSIVE */
731 route_extended_t e_route_bypass = NULL;
733 if (common_father->get_bypass_route)
735 (*(common_father->get_bypass_route)) (common_father, src, dst);
738 e_route_cnt = e_route_bypass;
741 (*(common_father->get_route)) (common_father, src_father->name,
744 xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"",
745 src_father->name, dst_father->name);
747 xbt_assert2((e_route_cnt->src_gateway == NULL) ==
748 (e_route_cnt->dst_gateway == NULL),
749 "bad gateway for route between \"%s\" and \"%s\"", src,
752 if (src != e_route_cnt->src_gateway) {
753 e_route_src = _get_route(src, e_route_cnt->src_gateway);
754 xbt_assert2(e_route_src, "no route between \"%s\" and \"%s\"", src,
755 e_route_cnt->src_gateway);
756 xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
757 xbt_dynar_push(e_route->generic_route.link_list, &link);
761 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
762 xbt_dynar_push(e_route->generic_route.link_list, &link);
765 if (e_route_cnt->dst_gateway != dst) {
766 e_route_dst = _get_route(e_route_cnt->dst_gateway, dst);
767 xbt_assert2(e_route_dst, "no route between \"%s\" and \"%s\"",
768 e_route_cnt->dst_gateway, dst);
769 xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
770 xbt_dynar_push(e_route->generic_route.link_list, &link);
774 e_route->src_gateway = xbt_strdup(e_route_cnt->src_gateway);
775 e_route->dst_gateway = xbt_strdup(e_route_cnt->dst_gateway);
777 generic_free_extended_route(e_route_src);
778 generic_free_extended_route(e_route_cnt);
779 generic_free_extended_route(e_route_dst);
782 xbt_dynar_free(&elem_father_list);
787 static double _get_latency(const char *src, const char *dst)
789 double latency, latency_src, latency_dst = 0.0;
791 DEBUG2("Solve route \"%s\" to \"%s\"", src, dst);
793 xbt_assert0(src && dst, "bad parameters for \"_get_route\" method");
795 route_extended_t e_route, e_route_cnt;
797 xbt_dynar_t elem_father_list = elements_father(src, dst);
799 routing_component_t common_father =
800 xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
801 routing_component_t src_father =
802 xbt_dynar_get_as(elem_father_list, 1, routing_component_t);
803 routing_component_t dst_father =
804 xbt_dynar_get_as(elem_father_list, 2, routing_component_t);
806 e_route = xbt_new0(s_route_extended_t, 1);
807 e_route->src_gateway = NULL;
808 e_route->dst_gateway = NULL;
809 e_route->generic_route.link_list =
810 xbt_dynar_new(global_routing->size_of_link, NULL);
812 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
814 if (strcmp(src, dst)) {
816 (*(common_father->get_latency)) (common_father, src, dst);
817 xbt_assert2(latency>=0, "no route between \"%s\" and \"%s\"", src,
820 } else { /* SURF_ROUTING_RECURSIVE */
821 route_extended_t e_route_bypass = NULL;
823 if (common_father->get_bypass_route)
825 (*(common_father->get_bypass_route)) (common_father, src, dst);
827 xbt_assert0(!e_route_bypass,"Bypass cannot work yet with get_latency");
830 (*(common_father->get_route)) (common_father, src_father->name,
833 xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"",
834 src_father->name, dst_father->name);
836 xbt_assert2((e_route_cnt->src_gateway == NULL) ==
837 (e_route_cnt->dst_gateway == NULL),
838 "bad gateway for route between \"%s\" and \"%s\"", src,
841 (*(common_father->get_latency)) (common_father, e_route_cnt->src_gateway,
842 e_route_cnt->src_gateway);
843 xbt_assert2(latency>=0, "no route between \"%s\" and \"%s\"",
844 src_father->name, dst_father->name);
847 if (src != e_route_cnt->src_gateway) {
849 latency_src = _get_latency(src, e_route_cnt->src_gateway);
850 xbt_assert2(latency_src>=0, "no route between \"%s\" and \"%s\"", src,
851 e_route_cnt->src_gateway);
852 latency += latency_src;
855 if (e_route_cnt->dst_gateway != dst) {
857 latency_dst = _get_latency(e_route_cnt->dst_gateway, dst);
858 xbt_assert2(latency_dst>=0, "no route between \"%s\" and \"%s\"",
859 e_route_cnt->dst_gateway, dst);
860 latency += latency_dst;
865 xbt_dynar_free(&elem_father_list);
871 * \brief Generic method: find a route between hosts
873 * \param src the source host name
874 * \param dst the destination host name
876 * walk through the routing components tree and find a route between hosts
877 * by calling the differents "get_route" functions in each routing component.
878 * No need to free the returned dynar. It will be freed at the next call.
880 static xbt_dynar_t get_route(const char *src, const char *dst)
883 route_extended_t e_route;
884 xbt_dynar_t elem_father_list = elements_father(src, dst);
885 routing_component_t common_father =
886 xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
888 if (strcmp(src, dst))
889 e_route = _get_route(src, dst);
891 e_route = (*(common_father->get_route)) (common_father, src, dst);
893 xbt_assert2(e_route, "no route between \"%s\" and \"%s\"", src, dst);
895 if (global_routing->last_route)
896 xbt_dynar_free(&(global_routing->last_route));
897 global_routing->last_route = e_route->generic_route.link_list;
899 if (e_route->src_gateway)
900 xbt_free(e_route->src_gateway);
901 if (e_route->dst_gateway)
902 xbt_free(e_route->dst_gateway);
905 xbt_dynar_free(&elem_father_list);
908 if (xbt_dynar_length(global_routing->last_route) == 0)
912 return global_routing->last_route;
916 * \brief Generic method: find a route between hosts
918 * \param src the source host name
919 * \param dst the destination host name
921 * walk through the routing components tree and find a route between hosts
922 * by calling the differents "get_route" functions in each routing component.
923 * Leaves the caller the responsability to clean the returned dynar.
925 static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
927 xbt_dynar_t d = get_route(src,dst);
928 global_routing->last_route = NULL;
933 static double get_latency(const char *src, const char *dst)
936 double latency = -1.0;
937 xbt_dynar_t elem_father_list = elements_father(src, dst);
938 routing_component_t common_father =
939 xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
941 if (strcmp(src, dst))
942 latency = _get_latency(src, dst);
944 latency = (*(common_father->get_latency)) (common_father, src, dst);
946 xbt_assert2(latency>=0.0, "no route between \"%s\" and \"%s\"", src, dst);
952 * \brief Recursive function for finalize
954 * \param rc the source host name
956 * This fuction is call by "finalize". It allow to finalize the
957 * AS or routing components. It delete all the structures.
959 static void _finalize(routing_component_t rc)
962 xbt_dict_cursor_t cursor = NULL;
964 routing_component_t elem;
965 xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
968 xbt_dict_t tmp_sons = rc->routing_sons;
969 char *tmp_name = rc->name;
970 xbt_dict_free(&tmp_sons);
972 xbt_assert1(rc->finalize, "no defined method \"finalize\" in \"%s\"",
973 current_routing->name);
974 (*(rc->finalize)) (rc);
979 * \brief Generic method: delete all the routing structures
981 * walk through the routing components tree and delete the structures
982 * by calling the differents "finalize" functions in each routing component
984 static void finalize(void)
986 /* delete recursibly all the tree */
987 _finalize(global_routing->root);
988 /* delete "where" dict */
989 xbt_dict_free(&(global_routing->where_network_elements));
990 xbt_dict_free(&(coordinates));
991 /* delete last_route */
992 xbt_dynar_free(&(global_routing->last_route));
993 /* delete global routing structure */
994 xbt_free(global_routing);
997 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
999 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
1001 //adding my one link routes
1004 xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
1006 xbt_dynar_foreach(onelink_mine, cpt, link) {
1007 xbt_dynar_push(ret, &link);
1012 xbt_dict_cursor_t cursor = NULL;
1013 routing_component_t rc_child;
1014 xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
1015 xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
1016 if (onelink_child) {
1017 xbt_dynar_foreach(onelink_child, cpt, link) {
1018 xbt_dynar_push(ret, &link);
1025 static xbt_dynar_t get_onelink_routes(void)
1027 return recursive_get_onelink_routes(global_routing->root);
1030 static e_surf_network_element_type_t get_network_element_type(const char
1033 network_element_info_t rc = NULL;
1034 rc = xbt_dict_get(global_routing->where_network_elements, name);
1039 * \brief Generic method: create the global routing schema
1041 * Make a global routing structure and set all the parsing functions.
1043 void routing_model_create(size_t size_of_links, void *loopback, double_f_cpvoid_t get_link_latency_fun)
1046 /* config the uniq global routing */
1047 global_routing = xbt_new0(s_routing_global_t, 1);
1048 global_routing->where_network_elements = xbt_dict_new();
1049 global_routing->root = NULL;
1050 global_routing->get_route = get_route;
1051 global_routing->get_latency = get_latency;
1052 global_routing->get_route_no_cleanup = get_route_no_cleanup;
1053 global_routing->get_onelink_routes = get_onelink_routes;
1054 global_routing->get_network_element_type = get_network_element_type;
1055 global_routing->finalize = finalize;
1056 global_routing->loopback = loopback;
1057 global_routing->size_of_link = size_of_links;
1058 global_routing->last_route = NULL;
1059 get_link_latency = get_link_latency_fun;
1060 /* no current routing at moment */
1061 current_routing = NULL;
1063 coordinates = xbt_dict_new();
1065 /* parse generic elements */
1066 surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
1067 surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router);
1069 surfxml_add_callback(STag_surfxml_route_cb_list,
1070 &parse_S_route_new_and_endpoints_XML);
1071 surfxml_add_callback(STag_surfxml_ASroute_cb_list,
1072 &parse_S_ASroute_new_and_endpoints);
1073 surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
1074 &parse_S_bypassRoute_new_and_endpoints);
1076 surfxml_add_callback(ETag_surfxml_link_ctn_cb_list,
1077 &parse_E_link_ctn_new_elem_XML);
1079 surfxml_add_callback(ETag_surfxml_route_cb_list,
1080 &parse_E_route_store_route);
1081 surfxml_add_callback(ETag_surfxml_ASroute_cb_list,
1082 &parse_E_ASroute_store_route);
1083 surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
1084 &parse_E_bypassRoute_store_route);
1086 surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS_XML);
1087 surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS_XML);
1089 surfxml_add_callback(STag_surfxml_cluster_cb_list,
1090 &routing_parse_Scluster);
1092 surfxml_add_callback(STag_surfxml_peer_cb_list,
1093 &routing_parse_Speer);
1095 surfxml_add_callback(STag_surfxml_config_cb_list,
1096 &routing_parse_Sconfig);
1097 surfxml_add_callback(ETag_surfxml_config_cb_list,
1098 &routing_parse_Econfig);
1101 /* ************************************************************************** */
1102 /* *************************** FULL ROUTING ********************************* */
1104 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
1106 /* Routing model structure */
1109 s_routing_component_t generic_routing;
1110 route_extended_t *routing_table;
1111 } s_routing_component_full_t, *routing_component_full_t;
1113 /* Business methods */
1114 static xbt_dynar_t full_get_onelink_routes(routing_component_t rc)
1116 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
1118 routing_component_full_t routing = (routing_component_full_t) rc;
1119 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1120 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
1121 char *k1, *d1, *k2, *d2;
1122 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
1123 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
1124 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k1);
1125 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k2);
1128 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
1130 route_extended_t route = TO_ROUTE_FULL(*src_id, *dst_id);
1132 if (xbt_dynar_length(route->generic_route.link_list) == 1) {
1134 *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
1136 onelink_t onelink = xbt_new0(s_onelink_t, 1);
1137 onelink->link_ptr = link;
1138 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
1139 onelink->src = xbt_strdup(k1);
1140 onelink->dst = xbt_strdup(k2);
1141 } else if (routing->generic_routing.hierarchy ==
1142 SURF_ROUTING_RECURSIVE) {
1143 onelink->src = xbt_strdup(route->src_gateway);
1144 onelink->dst = xbt_strdup(route->dst_gateway);
1146 xbt_dynar_push(ret, &onelink);
1154 static route_extended_t full_get_route(routing_component_t rc,
1155 const char *src, const char *dst)
1157 xbt_assert1(rc && src
1159 "Invalid params for \"get_route\" function at AS \"%s\"",
1162 /* set utils vars */
1163 routing_component_full_t routing = (routing_component_full_t) rc;
1164 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1166 generic_src_dst_check(rc, src, dst);
1167 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1168 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1171 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
1174 route_extended_t e_route = NULL;
1175 route_extended_t new_e_route = NULL;
1177 unsigned int cpt = 0;
1179 e_route = TO_ROUTE_FULL(*src_id, *dst_id);
1182 new_e_route = xbt_new0(s_route_extended_t, 1);
1183 new_e_route->src_gateway = xbt_strdup(e_route->src_gateway);
1184 new_e_route->dst_gateway = xbt_strdup(e_route->dst_gateway);
1185 new_e_route->generic_route.link_list =
1186 xbt_dynar_new(global_routing->size_of_link, NULL);
1187 xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
1188 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
1194 static void full_finalize(routing_component_t rc)
1196 routing_component_full_t routing = (routing_component_full_t) rc;
1197 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1200 /* Delete routing table */
1201 for (i = 0; i < table_size; i++)
1202 for (j = 0; j < table_size; j++)
1203 generic_free_extended_route(TO_ROUTE_FULL(i, j));
1204 xbt_free(routing->routing_table);
1205 /* Delete bypass dict */
1206 xbt_dict_free(&rc->bypassRoutes);
1207 /* Delete index dict */
1208 xbt_dict_free(&rc->to_index);
1209 /* Delete structure */
1214 /* Creation routing model functions */
1216 static void *model_full_create(void)
1218 routing_component_full_t new_component =
1219 xbt_new0(s_routing_component_full_t, 1);
1220 new_component->generic_routing.set_processing_unit =
1221 generic_set_processing_unit;
1222 new_component->generic_routing.set_autonomous_system =
1223 generic_set_autonomous_system;
1224 new_component->generic_routing.set_route = model_full_set_route;
1225 new_component->generic_routing.set_ASroute = model_full_set_route;
1226 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1227 new_component->generic_routing.get_route = full_get_route;
1228 new_component->generic_routing.get_latency = generic_get_link_latency;
1229 new_component->generic_routing.get_onelink_routes =
1230 full_get_onelink_routes;
1231 new_component->generic_routing.get_bypass_route =
1232 generic_get_bypassroute;
1233 new_component->generic_routing.finalize = full_finalize;
1234 new_component->generic_routing.to_index = xbt_dict_new();
1235 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1236 return new_component;
1239 static void model_full_load(void)
1241 /* use "surfxml_add_callback" to add a parse function call */
1244 static void model_full_unload(void)
1246 /* use "surfxml_del_callback" to remove a parse function call */
1249 static void model_full_end(void)
1252 route_extended_t e_route;
1254 /* set utils vars */
1255 routing_component_full_t routing =
1256 ((routing_component_full_t) current_routing);
1257 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1259 /* Create table if necessary */
1260 if(!routing->routing_table)
1261 routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
1263 /* Add the loopback if needed */
1264 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1265 for (i = 0; i < table_size; i++) {
1266 e_route = TO_ROUTE_FULL(i, i);
1268 e_route = xbt_new0(s_route_extended_t, 1);
1269 e_route->src_gateway = NULL;
1270 e_route->dst_gateway = NULL;
1271 e_route->generic_route.link_list =
1272 xbt_dynar_new(global_routing->size_of_link, NULL);
1273 xbt_dynar_push(e_route->generic_route.link_list,
1274 &global_routing->loopback);
1275 TO_ROUTE_FULL(i, i) = e_route;
1281 static void model_full_set_route(routing_component_t rc, const char *src,
1282 const char *dst, name_route_extended_t route)
1284 int *src_id, *dst_id;
1285 src_id = xbt_dict_get_or_null(rc->to_index, src);
1286 dst_id = xbt_dict_get_or_null(rc->to_index, dst);
1287 routing_component_full_t routing = ((routing_component_full_t) rc);
1288 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1291 && dst_id, "Network elements %s or %s not found", src, dst);
1293 xbt_assert2(xbt_dynar_length(route->generic_route.link_list) > 0,
1294 "Invalid count of links, must be greater than zero (%s,%s)",
1297 if(!routing->routing_table)
1298 routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
1300 if(TO_ROUTE_FULL(*src_id, *dst_id))
1304 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
1305 xbt_dynar_foreach(route->generic_route.link_list,i,link_name)
1307 void *link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
1308 xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
1309 xbt_dynar_push(link_route_to_test,&link);
1311 xbt_assert2(!xbt_dynar_compare(
1312 (void*)TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list,
1313 (void*)link_route_to_test,
1314 (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
1315 "The route between \"%s\" and \"%s\" already exists", src,dst);
1316 xbt_free(link_route_to_test);
1320 if(!route->dst_gateway && !route->src_gateway)
1321 DEBUG2("Load Route from \"%s\" to \"%s\"", src, dst);
1323 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
1324 route->src_gateway, dst, route->dst_gateway);
1325 TO_ROUTE_FULL(*src_id, *dst_id) = generic_new_extended_route(rc->hierarchy,route,1);
1326 xbt_dynar_shrink(TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list, 0);
1329 if( A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES
1330 || A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES )
1332 if(route->dst_gateway && route->src_gateway)
1334 char *gw_src = xbt_strdup(route->src_gateway);
1335 char *gw_dst = xbt_strdup(route->dst_gateway);
1336 route->src_gateway = gw_dst;
1337 route->dst_gateway = gw_src;
1339 if(TO_ROUTE_FULL(*dst_id, *src_id))
1343 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
1344 for(i=xbt_dynar_length(route->generic_route.link_list) ;i>0 ;i--)
1346 link_name = xbt_dynar_get_as(route->generic_route.link_list,i-1,void *);
1347 void *link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
1348 xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
1349 xbt_dynar_push(link_route_to_test,&link);
1351 xbt_assert2(!xbt_dynar_compare(
1352 (void*)TO_ROUTE_FULL(*dst_id, *src_id)->generic_route.link_list,
1353 (void*)link_route_to_test,
1354 (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
1355 "The route between \"%s\" and \"%s\" already exists", src,dst);
1356 xbt_free(link_route_to_test);
1360 if(!route->dst_gateway && !route->src_gateway)
1361 DEBUG2("Load Route from \"%s\" to \"%s\"", dst, src);
1363 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
1364 route->src_gateway, src, route->dst_gateway);
1365 TO_ROUTE_FULL(*dst_id, *src_id) = generic_new_extended_route(rc->hierarchy,route,0);
1366 xbt_dynar_shrink(TO_ROUTE_FULL(*dst_id, *src_id)->generic_route.link_list, 0);
1372 /* ************************************************************************** */
1373 /* *************************** FLOYD ROUTING ******************************** */
1375 #define TO_FLOYD_COST(i,j) (routing->cost_table)[(i)+(j)*table_size]
1376 #define TO_FLOYD_PRED(i,j) (routing->predecessor_table)[(i)+(j)*table_size]
1377 #define TO_FLOYD_LINK(i,j) (routing->link_table)[(i)+(j)*table_size]
1379 /* Routing model structure */
1382 s_routing_component_t generic_routing;
1383 /* vars for calculate the floyd algorith. */
1384 int *predecessor_table;
1386 route_extended_t *link_table; /* char* -> int* */
1387 } s_routing_component_floyd_t, *routing_component_floyd_t;
1389 static route_extended_t floyd_get_route(routing_component_t rc,
1390 const char *src, const char *dst);
1392 /* Business methods */
1393 static xbt_dynar_t floyd_get_onelink_routes(routing_component_t rc)
1395 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
1397 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1398 //size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1399 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
1400 char *k1, *d1, *k2, *d2;
1401 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
1402 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
1403 route_extended_t route = floyd_get_route(rc, k1, k2);
1405 if (xbt_dynar_length(route->generic_route.link_list) == 1) {
1407 *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
1409 onelink_t onelink = xbt_new0(s_onelink_t, 1);
1410 onelink->link_ptr = link;
1411 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
1412 onelink->src = xbt_strdup(k1);
1413 onelink->dst = xbt_strdup(k2);
1414 } else if (routing->generic_routing.hierarchy ==
1415 SURF_ROUTING_RECURSIVE) {
1416 onelink->src = xbt_strdup(route->src_gateway);
1417 onelink->dst = xbt_strdup(route->dst_gateway);
1419 xbt_dynar_push(ret, &onelink);
1427 static route_extended_t floyd_get_route(routing_component_t rc,
1428 const char *src, const char *dst)
1430 xbt_assert1(rc && src
1432 "Invalid params for \"get_route\" function at AS \"%s\"",
1435 /* set utils vars */
1436 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1437 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1439 generic_src_dst_check(rc, src, dst);
1440 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1441 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1444 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
1447 /* create a result route */
1448 route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1449 new_e_route->generic_route.link_list =
1450 xbt_dynar_new(global_routing->size_of_link, NULL);
1451 new_e_route->src_gateway = NULL;
1452 new_e_route->dst_gateway = NULL;
1457 char *gw_src = NULL, *gw_dst =
1458 NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
1465 pred = TO_FLOYD_PRED(*src_id, pred);
1466 if (pred == -1) /* if no pred in route -> no route to host */
1468 xbt_assert2(TO_FLOYD_LINK(pred, prev_pred),
1469 "Invalid link for the route between \"%s\" or \"%s\"", src,
1472 prev_gw_src = gw_src;
1473 prev_gw_dst = gw_dst;
1475 route_extended_t e_route = TO_FLOYD_LINK(pred, prev_pred);
1476 gw_src = e_route->src_gateway;
1477 gw_dst = e_route->dst_gateway;
1482 if (rc->hierarchy == SURF_ROUTING_RECURSIVE && !first
1483 && strcmp(gw_dst, prev_gw_src)) {
1484 xbt_dynar_t e_route_as_to_as =
1485 (*(global_routing->get_route)) (gw_dst, prev_gw_src);
1486 xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
1487 gw_dst, prev_gw_src);
1488 links = e_route_as_to_as;
1490 xbt_dynar_foreach(links, cpt, link) {
1491 xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
1497 links = e_route->generic_route.link_list;
1498 xbt_dynar_foreach(links, cpt, link) {
1499 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1503 } while (pred != *src_id);
1504 xbt_assert4(pred != -1, "no route from host %d to %d (\"%s\" to \"%s\")",
1505 *src_id, *dst_id, src, dst);
1507 if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1508 new_e_route->src_gateway = xbt_strdup(gw_src);
1509 new_e_route->dst_gateway = xbt_strdup(first_gw);
1515 static void floyd_finalize(routing_component_t rc)
1517 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1521 table_size = xbt_dict_length(routing->generic_routing.to_index);
1522 /* Delete link_table */
1523 for (i = 0; i < table_size; i++)
1524 for (j = 0; j < table_size; j++)
1525 generic_free_extended_route(TO_FLOYD_LINK(i, j));
1526 xbt_free(routing->link_table);
1527 /* Delete bypass dict */
1528 xbt_dict_free(&routing->generic_routing.bypassRoutes);
1529 /* Delete index dict */
1530 xbt_dict_free(&(routing->generic_routing.to_index));
1531 /* Delete dictionary index dict, predecessor and links table */
1532 xbt_free(routing->predecessor_table);
1533 /* Delete structure */
1538 static void *model_floyd_create(void)
1540 routing_component_floyd_t new_component =
1541 xbt_new0(s_routing_component_floyd_t, 1);
1542 new_component->generic_routing.set_processing_unit =
1543 generic_set_processing_unit;
1544 new_component->generic_routing.set_autonomous_system =
1545 generic_set_autonomous_system;
1546 new_component->generic_routing.set_route = model_floyd_set_route;
1547 new_component->generic_routing.set_ASroute = model_floyd_set_route;
1548 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1549 new_component->generic_routing.get_route = floyd_get_route;
1550 new_component->generic_routing.get_latency = generic_get_link_latency;
1551 new_component->generic_routing.get_onelink_routes =
1552 floyd_get_onelink_routes;
1553 new_component->generic_routing.get_bypass_route =
1554 generic_get_bypassroute;
1555 new_component->generic_routing.finalize = floyd_finalize;
1556 new_component->generic_routing.to_index = xbt_dict_new();
1557 new_component->generic_routing.bypassRoutes = xbt_dict_new();
1558 return new_component;
1561 static void model_floyd_load(void)
1563 /* use "surfxml_add_callback" to add a parse function call */
1566 static void model_floyd_unload(void)
1568 /* use "surfxml_del_callback" to remove a parse function call */
1571 static void model_floyd_end(void)
1574 routing_component_floyd_t routing =
1575 ((routing_component_floyd_t) current_routing);
1577 unsigned int i, j, a, b, c;
1579 /* set the size of table routing */
1580 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1582 if(!routing->link_table)
1584 /* Create Cost, Predecessor and Link tables */
1585 routing->cost_table = xbt_new0(double, table_size * table_size); /* link cost from host to host */
1586 routing->predecessor_table = xbt_new0(int, table_size * table_size); /* predecessor host numbers */
1587 routing->link_table = xbt_new0(route_extended_t, table_size * table_size); /* actual link between src and dst */
1589 /* Initialize costs and predecessors */
1590 for (i = 0; i < table_size; i++)
1591 for (j = 0; j < table_size; j++) {
1592 TO_FLOYD_COST(i, j) = DBL_MAX;
1593 TO_FLOYD_PRED(i, j) = -1;
1594 TO_FLOYD_LINK(i, j) = NULL; /* fixed, missing in the previous version */
1598 /* Add the loopback if needed */
1599 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1600 for (i = 0; i < table_size; i++) {
1601 route_extended_t e_route = TO_FLOYD_LINK(i, i);
1603 e_route = xbt_new0(s_route_extended_t, 1);
1604 e_route->src_gateway = NULL;
1605 e_route->dst_gateway = NULL;
1606 e_route->generic_route.link_list =
1607 xbt_dynar_new(global_routing->size_of_link, NULL);
1608 xbt_dynar_push(e_route->generic_route.link_list,
1609 &global_routing->loopback);
1610 TO_FLOYD_LINK(i, i) = e_route;
1611 TO_FLOYD_PRED(i, i) = i;
1612 TO_FLOYD_COST(i, i) = 1;
1616 /* Calculate path costs */
1617 for (c = 0; c < table_size; c++) {
1618 for (a = 0; a < table_size; a++) {
1619 for (b = 0; b < table_size; b++) {
1620 if (TO_FLOYD_COST(a, c) < DBL_MAX && TO_FLOYD_COST(c, b) < DBL_MAX) {
1621 if (TO_FLOYD_COST(a, b) == DBL_MAX ||
1622 (TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b) <
1623 TO_FLOYD_COST(a, b))) {
1624 TO_FLOYD_COST(a, b) =
1625 TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b);
1626 TO_FLOYD_PRED(a, b) = TO_FLOYD_PRED(c, b);
1634 static void model_floyd_set_route(routing_component_t rc, const char *src,
1635 const char *dst, name_route_extended_t route)
1637 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1639 /* set the size of table routing */
1640 size_t table_size = xbt_dict_length(rc->to_index);
1641 int *src_id, *dst_id;
1644 src_id = xbt_dict_get_or_null(rc->to_index, src);
1645 dst_id = xbt_dict_get_or_null(rc->to_index, dst);
1647 if(!routing->link_table)
1649 /* Create Cost, Predecessor and Link tables */
1650 routing->cost_table = xbt_new0(double, table_size * table_size); /* link cost from host to host */
1651 routing->predecessor_table = xbt_new0(int, table_size * table_size); /* predecessor host numbers */
1652 routing->link_table = xbt_new0(route_extended_t, table_size * table_size); /* actual link between src and dst */
1654 /* Initialize costs and predecessors */
1655 for (i = 0; i < table_size; i++)
1656 for (j = 0; j < table_size; j++) {
1657 TO_FLOYD_COST(i, j) = DBL_MAX;
1658 TO_FLOYD_PRED(i, j) = -1;
1659 TO_FLOYD_LINK(i, j) = NULL; /* fixed, missing in the previous version */
1663 if(TO_FLOYD_LINK(*src_id, *dst_id))
1665 if(!route->dst_gateway && !route->src_gateway)
1666 DEBUG2("See Route from \"%s\" to \"%s\"", src, dst);
1668 DEBUG4("See ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
1669 route->src_gateway, dst, route->dst_gateway);
1672 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
1673 xbt_dynar_foreach(route->generic_route.link_list,cpt,link_name)
1675 void *link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
1676 xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
1677 xbt_dynar_push(link_route_to_test,&link);
1679 xbt_assert2(!xbt_dynar_compare(
1680 (void*)TO_FLOYD_LINK(*src_id, *dst_id)->generic_route.link_list,
1681 (void*)link_route_to_test,
1682 (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
1683 "The route between \"%s\" and \"%s\" already exists", src,dst);
1684 xbt_free(link_route_to_test);
1688 if(!route->dst_gateway && !route->src_gateway)
1689 DEBUG2("Load Route from \"%s\" to \"%s\"", src, dst);
1691 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
1692 route->src_gateway, dst, route->dst_gateway);
1694 TO_FLOYD_LINK(*src_id, *dst_id) =
1695 generic_new_extended_route(rc->hierarchy, route, 1);
1696 TO_FLOYD_PRED(*src_id, *dst_id) = *src_id;
1697 TO_FLOYD_COST(*src_id, *dst_id) =
1698 ((TO_FLOYD_LINK(*src_id, *dst_id))->generic_route.link_list)->used; /* count of links, old model assume 1 */
1701 if( A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES
1702 || A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES )
1704 if(TO_FLOYD_LINK(*dst_id, *src_id))
1706 if(!route->dst_gateway && !route->src_gateway)
1707 DEBUG2("See Route from \"%s\" to \"%s\"", dst, src);
1709 DEBUG4("See ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
1710 route->src_gateway, src, route->dst_gateway);
1713 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
1714 for(i=xbt_dynar_length(route->generic_route.link_list) ;i>0 ;i--)
1716 link_name = xbt_dynar_get_as(route->generic_route.link_list,i-1,void *);
1717 void *link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
1718 xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
1719 xbt_dynar_push(link_route_to_test,&link);
1721 xbt_assert2(!xbt_dynar_compare(
1722 (void*)TO_FLOYD_LINK(*dst_id, *src_id)->generic_route.link_list,
1723 (void*)link_route_to_test,
1724 (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
1725 "The route between \"%s\" and \"%s\" already exists", src,dst);
1726 xbt_free(link_route_to_test);
1730 if(route->dst_gateway && route->src_gateway)
1732 char *gw_src = xbt_strdup(route->src_gateway);
1733 char *gw_dst = xbt_strdup(route->dst_gateway);
1734 route->src_gateway = gw_dst;
1735 route->dst_gateway = gw_src;
1738 if(!route->dst_gateway && !route->src_gateway)
1739 DEBUG2("Load Route from \"%s\" to \"%s\"", dst, src);
1741 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
1742 route->src_gateway, src, route->dst_gateway);
1744 TO_FLOYD_LINK(*dst_id, *src_id) =
1745 generic_new_extended_route(rc->hierarchy, route, 0);
1746 TO_FLOYD_PRED(*dst_id, *src_id) = *dst_id;
1747 TO_FLOYD_COST(*dst_id, *src_id) =
1748 ((TO_FLOYD_LINK(*dst_id, *src_id))->generic_route.link_list)->used; /* count of links, old model assume 1 */
1753 /* ************************************************************************** */
1754 /* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
1757 s_routing_component_t generic_routing;
1758 xbt_graph_t route_graph; /* xbt_graph */
1759 xbt_dict_t graph_node_map; /* map */
1760 xbt_dict_t route_cache; /* use in cache mode */
1762 } s_routing_component_dijkstra_t, *routing_component_dijkstra_t;
1765 typedef struct graph_node_data {
1767 int graph_id; /* used for caching internal graph id's */
1768 } s_graph_node_data_t, *graph_node_data_t;
1770 typedef struct graph_node_map_element {
1772 } s_graph_node_map_element_t, *graph_node_map_element_t;
1774 typedef struct route_cache_element {
1777 } s_route_cache_element_t, *route_cache_element_t;
1779 /* Free functions */
1781 static void route_cache_elem_free(void *e)
1783 route_cache_element_t elm = (route_cache_element_t) e;
1785 xbt_free(elm->pred_arr);
1790 static void graph_node_map_elem_free(void *e)
1792 graph_node_map_element_t elm = (graph_node_map_element_t) e;
1798 static void graph_edge_data_free(void *e)
1800 route_extended_t e_route = (route_extended_t) e;
1802 xbt_dynar_free(&(e_route->generic_route.link_list));
1803 if (e_route->src_gateway)
1804 xbt_free(e_route->src_gateway);
1805 if (e_route->dst_gateway)
1806 xbt_free(e_route->dst_gateway);
1811 /* Utility functions */
1813 static xbt_node_t route_graph_new_node(routing_component_dijkstra_t rc,
1814 int id, int graph_id)
1816 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1817 xbt_node_t node = NULL;
1818 graph_node_data_t data = NULL;
1819 graph_node_map_element_t elm = NULL;
1821 data = xbt_new0(struct graph_node_data, 1);
1823 data->graph_id = graph_id;
1824 node = xbt_graph_new_node(routing->route_graph, data);
1826 elm = xbt_new0(struct graph_node_map_element, 1);
1828 xbt_dict_set_ext(routing->graph_node_map, (char *) (&id), sizeof(int),
1829 (xbt_set_elm_t) elm, &graph_node_map_elem_free);
1834 static graph_node_map_element_t
1835 graph_node_map_search(routing_component_dijkstra_t rc, int id)
1837 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1838 graph_node_map_element_t elm = (graph_node_map_element_t)
1839 xbt_dict_get_or_null_ext(routing->graph_node_map,
1847 static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id,
1848 int dst_id, route_extended_t e_route)
1850 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1852 xbt_node_t src = NULL;
1853 xbt_node_t dst = NULL;
1854 graph_node_map_element_t src_elm = (graph_node_map_element_t)
1855 xbt_dict_get_or_null_ext(routing->graph_node_map,
1858 graph_node_map_element_t dst_elm = (graph_node_map_element_t)
1859 xbt_dict_get_or_null_ext(routing->graph_node_map,
1864 src = src_elm->node;
1867 dst = dst_elm->node;
1869 /* add nodes if they don't exist in the graph */
1870 if (src_id == dst_id && src == NULL && dst == NULL) {
1871 src = route_graph_new_node(rc, src_id, -1);
1875 src = route_graph_new_node(rc, src_id, -1);
1878 dst = route_graph_new_node(rc, dst_id, -1);
1882 /* add link as edge to graph */
1883 xbt_graph_new_edge(routing->route_graph, src, dst, e_route);
1886 static void add_loopback_dijkstra(routing_component_dijkstra_t rc)
1888 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1890 xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1892 xbt_node_t node = NULL;
1893 unsigned int cursor2;
1894 xbt_dynar_foreach(nodes, cursor2, node) {
1895 xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node);
1896 xbt_edge_t edge = NULL;
1897 unsigned int cursor;
1900 xbt_dynar_foreach(out_edges, cursor, edge) {
1901 xbt_node_t other_node = xbt_graph_edge_get_target(edge);
1902 if (other_node == node) {
1909 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
1910 e_route->src_gateway = NULL;
1911 e_route->dst_gateway = NULL;
1912 e_route->generic_route.link_list =
1913 xbt_dynar_new(global_routing->size_of_link, NULL);
1914 xbt_dynar_push(e_route->generic_route.link_list,
1915 &global_routing->loopback);
1916 xbt_graph_new_edge(routing->route_graph, node, node, e_route);
1921 /* Business methods */
1922 static xbt_dynar_t dijkstra_get_onelink_routes(routing_component_t rc)
1924 xbt_die("\"dijkstra_get_onelink_routes\" function not implemented yet");
1927 static route_extended_t dijkstra_get_route(routing_component_t rc,
1931 xbt_assert1(rc && src
1933 "Invalid params for \"get_route\" function at AS \"%s\"",
1936 /* set utils vars */
1937 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1939 generic_src_dst_check(rc, src, dst);
1940 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1941 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1944 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
1947 /* create a result route */
1948 route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1949 new_e_route->generic_route.link_list =
1950 xbt_dynar_new(global_routing->size_of_link, NULL);
1951 new_e_route->src_gateway = NULL;
1952 new_e_route->dst_gateway = NULL;
1954 int *pred_arr = NULL;
1955 int src_node_id = 0;
1956 int dst_node_id = 0;
1959 route_extended_t e_route;
1963 xbt_dynar_t links = NULL;
1964 route_cache_element_t elm = NULL;
1965 xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1967 /* Use the graph_node id mapping set to quickly find the nodes */
1968 graph_node_map_element_t src_elm =
1969 graph_node_map_search(routing, *src_id);
1970 graph_node_map_element_t dst_elm =
1971 graph_node_map_search(routing, *dst_id);
1972 xbt_assert2(src_elm != NULL
1973 && dst_elm != NULL, "src %d or dst %d does not exist",
1975 src_node_id = ((graph_node_data_t)
1976 xbt_graph_node_get_data(src_elm->node))->graph_id;
1977 dst_node_id = ((graph_node_data_t)
1978 xbt_graph_node_get_data(dst_elm->node))->graph_id;
1980 /* if the src and dst are the same *//* fixed, missing in the previous version */
1981 if (src_node_id == dst_node_id) {
1983 xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_node_id, xbt_node_t);
1984 xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_node_id, xbt_node_t);
1986 xbt_graph_get_edge(routing->route_graph, node_s_v, node_e_v);
1988 xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
1991 e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
1993 links = e_route->generic_route.link_list;
1994 xbt_dynar_foreach(links, cpt, link) {
1995 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
2001 if (routing->cached) {
2002 /*check if there is a cached predecessor list avail */
2003 elm = (route_cache_element_t)
2004 xbt_dict_get_or_null_ext(routing->route_cache, (char *) (&src_id),
2008 if (elm) { /* cached mode and cache hit */
2009 pred_arr = elm->pred_arr;
2010 } else { /* not cached mode or cache miss */
2011 double *cost_arr = NULL;
2012 xbt_heap_t pqueue = NULL;
2015 int nr_nodes = xbt_dynar_length(nodes);
2016 cost_arr = xbt_new0(double, nr_nodes); /* link cost from src to other hosts */
2017 pred_arr = xbt_new0(int, nr_nodes); /* predecessors in path from src */
2018 pqueue = xbt_heap_new(nr_nodes, xbt_free);
2021 cost_arr[src_node_id] = 0.0;
2023 for (i = 0; i < nr_nodes; i++) {
2024 if (i != src_node_id) {
2025 cost_arr[i] = DBL_MAX;
2030 /* initialize priority queue */
2031 nodeid = xbt_new0(int, 1);
2033 xbt_heap_push(pqueue, nodeid, cost_arr[i]);
2037 /* apply dijkstra using the indexes from the graph's node array */
2038 while (xbt_heap_size(pqueue) > 0) {
2039 int *v_id = xbt_heap_pop(pqueue);
2040 xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t);
2041 xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node);
2042 xbt_edge_t edge = NULL;
2043 unsigned int cursor;
2045 xbt_dynar_foreach(out_edges, cursor, edge) {
2046 xbt_node_t u_node = xbt_graph_edge_get_target(edge);
2047 graph_node_data_t data = xbt_graph_node_get_data(u_node);
2048 int u_id = data->graph_id;
2049 route_extended_t tmp_e_route =
2050 (route_extended_t) xbt_graph_edge_get_data(edge);
2051 int cost_v_u = (tmp_e_route->generic_route.link_list)->used; /* count of links, old model assume 1 */
2053 if (cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
2054 pred_arr[u_id] = *v_id;
2055 cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
2056 nodeid = xbt_new0(int, 1);
2058 xbt_heap_push(pqueue, nodeid, cost_arr[u_id]);
2062 /* free item popped from pqueue */
2067 xbt_heap_free(pqueue);
2070 /* compose route path with links */
2071 char *gw_src = NULL, *gw_dst =
2072 NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
2074 for (v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
2075 xbt_node_t node_pred_v =
2076 xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
2077 xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t);
2079 xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
2081 xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
2084 prev_gw_src = gw_src;
2085 prev_gw_dst = gw_dst;
2087 e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
2088 gw_src = e_route->src_gateway;
2089 gw_dst = e_route->dst_gateway;
2091 if (v == dst_node_id)
2094 if (rc->hierarchy == SURF_ROUTING_RECURSIVE && v != dst_node_id
2095 && strcmp(gw_dst, prev_gw_src)) {
2096 xbt_dynar_t e_route_as_to_as =
2097 (*(global_routing->get_route)) (gw_dst, prev_gw_src);
2098 xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
2099 gw_dst, prev_gw_src);
2100 links = e_route_as_to_as;
2102 xbt_dynar_foreach(links, cpt, link) {
2103 xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
2109 links = e_route->generic_route.link_list;
2110 xbt_dynar_foreach(links, cpt, link) {
2111 xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
2116 if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
2117 new_e_route->src_gateway = xbt_strdup(gw_src);
2118 new_e_route->dst_gateway = xbt_strdup(first_gw);
2121 if (routing->cached && elm == NULL) {
2122 /* add to predecessor list of the current src-host to cache */
2123 elm = xbt_new0(struct route_cache_element, 1);
2124 elm->pred_arr = pred_arr;
2126 xbt_dict_set_ext(routing->route_cache, (char *) (&src_id), sizeof(int),
2127 (xbt_set_elm_t) elm, &route_cache_elem_free);
2130 if (!routing->cached)
2136 static void dijkstra_finalize(routing_component_t rc)
2138 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
2141 xbt_graph_free_graph(routing->route_graph, &xbt_free,
2142 &graph_edge_data_free, &xbt_free);
2143 xbt_dict_free(&routing->graph_node_map);
2144 if (routing->cached)
2145 xbt_dict_free(&routing->route_cache);
2146 /* Delete bypass dict */
2147 xbt_dict_free(&routing->generic_routing.bypassRoutes);
2148 /* Delete index dict */
2149 xbt_dict_free(&(routing->generic_routing.to_index));
2150 /* Delete structure */
2155 /* Creation routing model functions */
2157 static void *model_dijkstra_both_create(int cached)
2159 routing_component_dijkstra_t new_component =
2160 xbt_new0(s_routing_component_dijkstra_t, 1);
2161 new_component->generic_routing.set_processing_unit =
2162 generic_set_processing_unit;
2163 new_component->generic_routing.set_autonomous_system =
2164 generic_set_autonomous_system;
2165 new_component->generic_routing.set_route = model_dijkstra_both_set_route;
2166 new_component->generic_routing.set_ASroute = model_dijkstra_both_set_route; //TODO
2167 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
2168 new_component->generic_routing.get_route = dijkstra_get_route;
2169 new_component->generic_routing.get_latency = generic_get_link_latency;
2170 new_component->generic_routing.get_onelink_routes =
2171 dijkstra_get_onelink_routes;
2172 new_component->generic_routing.get_bypass_route =
2173 generic_get_bypassroute;
2174 new_component->generic_routing.finalize = dijkstra_finalize;
2175 new_component->cached = cached;
2176 new_component->generic_routing.to_index = xbt_dict_new();
2177 new_component->generic_routing.bypassRoutes = xbt_dict_new();
2178 return new_component;
2181 static void *model_dijkstra_create(void)
2183 return model_dijkstra_both_create(0);
2186 static void *model_dijkstracache_create(void)
2188 return model_dijkstra_both_create(1);
2191 static void model_dijkstra_both_load(void)
2193 /* use "surfxml_add_callback" to add a parse function call */
2196 static void model_dijkstra_both_unload(void)
2198 /* use "surfxml_del_callback" to remove a parse function call */
2201 static void model_dijkstra_both_end(void)
2203 routing_component_dijkstra_t routing =
2204 (routing_component_dijkstra_t) current_routing;
2206 xbt_node_t node = NULL;
2207 unsigned int cursor2;
2208 xbt_dynar_t nodes = NULL;
2210 /* Create the topology graph */
2211 routing->route_graph = xbt_graph_new_graph(1, NULL);
2212 routing->graph_node_map = xbt_dict_new();
2214 if (routing->cached && !routing->route_cache)
2215 routing->route_cache = xbt_dict_new();
2217 /* Add the loopback if needed */
2218 if (current_routing->hierarchy == SURF_ROUTING_BASE)
2219 add_loopback_dijkstra(routing);
2221 /* initialize graph indexes in nodes after graph has been built */
2222 nodes = xbt_graph_get_nodes(routing->route_graph);
2224 xbt_dynar_foreach(nodes, cursor2, node) {
2225 graph_node_data_t data = xbt_graph_node_get_data(node);
2226 data->graph_id = cursor2;
2230 static void model_dijkstra_both_set_route (routing_component_t rc, const char *src,
2231 const char *dst, name_route_extended_t route)
2233 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
2234 int *src_id, *dst_id;
2235 src_id = xbt_dict_get_or_null(rc->to_index, src);
2236 dst_id = xbt_dict_get_or_null(rc->to_index, dst);
2238 if (routing->cached && !routing->route_cache)
2239 routing->route_cache = xbt_dict_new();
2241 if( A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES
2242 || A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES )
2243 xbt_die("Route symmetrical not supported on model dijkstra");
2245 if(!route->dst_gateway && !route->src_gateway)
2246 DEBUG2("Load Route from \"%s\" to \"%s\"", src, dst);
2248 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
2249 route->src_gateway, dst, route->dst_gateway);
2251 route_extended_t e_route =
2252 generic_new_extended_route(current_routing->hierarchy, route, 1);
2253 route_new_dijkstra(routing, *src_id, *dst_id, e_route);
2256 #ifdef HAVE_PCRE_LIB
2257 /* ************************************************** */
2258 /* ************** RULE-BASED ROUTING **************** */
2260 /* Routing model structure */
2263 s_routing_component_t generic_routing;
2264 xbt_dict_t dict_processing_units;
2265 xbt_dict_t dict_autonomous_systems;
2266 xbt_dynar_t list_route;
2267 xbt_dynar_t list_ASroute;
2268 } s_routing_component_rulebased_t, *routing_component_rulebased_t;
2270 typedef struct s_rule_route s_rule_route_t, *rule_route_t;
2271 typedef struct s_rule_route_extended s_rule_route_extended_t,
2272 *rule_route_extended_t;
2274 struct s_rule_route {
2275 xbt_dynar_t re_str_link; // dynar of char*
2280 struct s_rule_route_extended {
2281 s_rule_route_t generic_rule_route;
2282 char *re_src_gateway;
2283 char *re_dst_gateway;
2286 static void rule_route_free(void *e)
2288 rule_route_t *elem = (rule_route_t *) (e);
2290 xbt_dynar_free(&(*elem)->re_str_link);
2291 pcre_free((*elem)->re_src);
2292 pcre_free((*elem)->re_dst);
2298 static void rule_route_extended_free(void *e)
2300 rule_route_extended_t *elem = (rule_route_extended_t *) e;
2302 xbt_dynar_free(&(*elem)->generic_rule_route.re_str_link);
2303 pcre_free((*elem)->generic_rule_route.re_src);
2304 pcre_free((*elem)->generic_rule_route.re_dst);
2305 xbt_free((*elem)->re_src_gateway);
2306 xbt_free((*elem)->re_dst_gateway);
2311 /* Parse routing model functions */
2313 static void model_rulebased_set_processing_unit(routing_component_t rc,
2316 routing_component_rulebased_t routing =
2317 (routing_component_rulebased_t) rc;
2318 xbt_dict_set(routing->dict_processing_units, name, (void *) (-1), NULL);
2321 static void model_rulebased_set_autonomous_system(routing_component_t rc,
2324 routing_component_rulebased_t routing =
2325 (routing_component_rulebased_t) rc;
2326 xbt_dict_set(routing->dict_autonomous_systems, name, (void *) (-1),
2330 static void model_rulebased_set_route(routing_component_t rc,
2331 const char *src, const char *dst,
2332 name_route_extended_t route)
2334 routing_component_rulebased_t routing =
2335 (routing_component_rulebased_t) rc;
2336 rule_route_t ruleroute = xbt_new0(s_rule_route_t, 1);
2339 ruleroute->re_src = pcre_compile(src, 0, &error, &erroffset, NULL);
2340 xbt_assert3(ruleroute->re_src,
2341 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2342 erroffset, src, error);
2343 ruleroute->re_dst = pcre_compile(dst, 0, &error, &erroffset, NULL);
2344 xbt_assert3(ruleroute->re_src,
2345 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2346 erroffset, dst, error);
2347 ruleroute->re_str_link = route->generic_route.link_list;
2348 xbt_dynar_push(routing->list_route, &ruleroute);
2352 static void model_rulebased_set_ASroute(routing_component_t rc,
2353 const char *src, const char *dst,
2354 name_route_extended_t route)
2356 routing_component_rulebased_t routing =
2357 (routing_component_rulebased_t) rc;
2358 rule_route_extended_t ruleroute_e = xbt_new0(s_rule_route_extended_t, 1);
2361 ruleroute_e->generic_rule_route.re_src =
2362 pcre_compile(src, 0, &error, &erroffset, NULL);
2363 xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2364 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2365 erroffset, src, error);
2366 ruleroute_e->generic_rule_route.re_dst =
2367 pcre_compile(dst, 0, &error, &erroffset, NULL);
2368 xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2369 "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2370 erroffset, dst, error);
2371 ruleroute_e->generic_rule_route.re_str_link =
2372 route->generic_route.link_list;
2373 ruleroute_e->re_src_gateway = route->src_gateway;
2374 ruleroute_e->re_dst_gateway = route->dst_gateway;
2375 xbt_dynar_push(routing->list_ASroute, &ruleroute_e);
2376 // xbt_free(route->src_gateway);
2377 // xbt_free(route->dst_gateway);
2381 static void model_rulebased_set_bypassroute(routing_component_t rc,
2384 route_extended_t e_route)
2386 xbt_die("bypass routing not supported for Route-Based model");
2389 #define BUFFER_SIZE 4096 /* result buffer size */
2390 #define OVECCOUNT 30 /* should be a multiple of 3 */
2392 static char *remplace(char *value, const char **src_list, int src_size,
2393 const char **dst_list, int dst_size)
2396 char result_result[BUFFER_SIZE];
2397 int i_result_buffer;
2398 int value_length = (int) strlen(value);
2402 i_result_buffer = 0;
2404 if (value[i] == '$') {
2408 int number_length = 0;
2409 while ('0' <= value[i + number_length]
2410 && value[i + number_length] <= '9') {
2413 xbt_assert2(number_length != 0,
2414 "bad string parameter, no number indication, at offset: %d (\"%s\")",
2418 number = atoi(value + i);
2419 i = i + number_length;
2420 xbt_assert2(i + 2 < value_length,
2421 "bad string parameter, too few chars, at offset: %d (\"%s\")",
2424 // solve the indication
2425 const char **param_list;
2427 if (value[i] == 's' && value[i + 1] == 'r' && value[i + 2] == 'c') {
2428 param_list = src_list;
2429 param_size = src_size;
2430 } else if (value[i] == 'd' && value[i + 1] == 's'
2431 && value[i + 2] == 't') {
2432 param_list = dst_list;
2433 param_size = dst_size;
2436 "bad string parameter, support only \"src\" and \"dst\", at offset: %d (\"%s\")",
2441 xbt_assert4(param_size >= number,
2442 "bad string parameter, not enough length param_size, at offset: %d (\"%s\") %d %d",
2443 i, value, param_size, number);
2445 const char *param = param_list[number];
2446 int size = strlen(param);
2448 for (cp = 0; cp < size; cp++) {
2449 result_result[i_result_buffer] = param[cp];
2451 if (i_result_buffer >= BUFFER_SIZE)
2455 result_result[i_result_buffer] = value[i];
2460 } while (i < value_length && i_result_buffer < BUFFER_SIZE);
2462 xbt_assert2(i_result_buffer < BUFFER_SIZE,
2463 "solving string \"%s\", small buffer size (%d)", value,
2465 result_result[i_result_buffer] = 0;
2466 return xbt_strdup(result_result);
2469 static route_extended_t rulebased_get_route(routing_component_t rc,
2472 static xbt_dynar_t rulebased_get_onelink_routes(routing_component_t rc)
2474 xbt_dynar_t ret = xbt_dynar_new (sizeof(onelink_t), xbt_free);
2475 routing_component_rulebased_t routing = (routing_component_rulebased_t)rc;
2477 xbt_dict_cursor_t c1 = NULL;
2481 char *router = NULL;
2482 xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2483 if (strstr (k1, "router")){
2488 xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2491 xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2492 route_extended_t route = rulebased_get_route (rc, router, k1);
2494 int number_of_links = xbt_dynar_length(route->generic_route.link_list);
2495 if (number_of_links != 3) {
2496 xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2500 xbt_dynar_get_cpy (route->generic_route.link_list, 2, &link_ptr);
2501 onelink_t onelink = xbt_new0 (s_onelink_t, 1);
2502 onelink->src = xbt_strdup (k1);
2503 onelink->dst = xbt_strdup (router);
2504 onelink->link_ptr = link_ptr;
2505 xbt_dynar_push (ret, &onelink);
2510 /* Business methods */
2511 static route_extended_t rulebased_get_route(routing_component_t rc,
2515 xbt_assert1(rc && src
2517 "Invalid params for \"get_route\" function at AS \"%s\"",
2520 /* set utils vars */
2521 routing_component_rulebased_t routing =
2522 (routing_component_rulebased_t) rc;
2524 int are_processing_units;
2525 xbt_dynar_t rule_list;
2526 if (xbt_dict_get_or_null(routing->dict_processing_units, src)
2527 && xbt_dict_get_or_null(routing->dict_processing_units, dst)) {
2528 are_processing_units = 1;
2529 rule_list = routing->list_route;
2530 } else if (xbt_dict_get_or_null(routing->dict_autonomous_systems, src)
2531 && xbt_dict_get_or_null(routing->dict_autonomous_systems,
2533 are_processing_units = 0;
2534 rule_list = routing->list_ASroute;
2537 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
2542 int src_length = (int) strlen(src);
2543 int dst_length = (int) strlen(dst);
2545 xbt_dynar_t links_list =
2546 xbt_dynar_new(global_routing->size_of_link, NULL);
2548 rule_route_t ruleroute;
2550 int ovector_src[OVECCOUNT];
2551 int ovector_dst[OVECCOUNT];
2552 const char **list_src = NULL;
2553 const char **list_dst = NULL;
2554 xbt_dynar_foreach(rule_list, cpt, ruleroute) {
2556 pcre_exec(ruleroute->re_src, NULL, src, src_length, 0, 0,
2557 ovector_src, OVECCOUNT);
2560 pcre_exec(ruleroute->re_dst, NULL, dst, dst_length, 0, 0,
2561 ovector_dst, OVECCOUNT);
2563 xbt_assert1(!pcre_get_substring_list
2564 (src, ovector_src, rc_src, &list_src),
2565 "error solving substring list for src \"%s\"", src);
2566 xbt_assert1(!pcre_get_substring_list
2567 (dst, ovector_dst, rc_dst, &list_dst),
2568 "error solving substring list for src \"%s\"", dst);
2570 xbt_dynar_foreach(ruleroute->re_str_link, cpt, link_name) {
2571 char *new_link_name =
2572 remplace(link_name, list_src, rc_src, list_dst, rc_dst);
2574 xbt_dict_get_or_null(surf_network_model->resource_set,
2577 xbt_dynar_push(links_list, &link);
2579 THROW1(mismatch_error, 0, "Link %s not found", new_link_name);
2580 xbt_free(new_link_name);
2584 if (rc_src >= 0 && rc_dst >= 0)
2588 route_extended_t new_e_route = NULL;
2589 if (rc_src >= 0 && rc_dst >= 0) {
2590 new_e_route = xbt_new0(s_route_extended_t, 1);
2591 new_e_route->generic_route.link_list = links_list;
2592 } else if (!strcmp(src, dst) && are_processing_units) {
2593 new_e_route = xbt_new0(s_route_extended_t, 1);
2594 xbt_dynar_push(links_list, &(global_routing->loopback));
2595 new_e_route->generic_route.link_list = links_list;
2597 xbt_dynar_free(&link_list);
2600 if (!are_processing_units && new_e_route) {
2601 rule_route_extended_t ruleroute_extended =
2602 (rule_route_extended_t) ruleroute;
2603 new_e_route->src_gateway =
2604 remplace(ruleroute_extended->re_src_gateway, list_src, rc_src,
2606 new_e_route->dst_gateway =
2607 remplace(ruleroute_extended->re_dst_gateway, list_src, rc_src,
2612 pcre_free_substring_list(list_src);
2614 pcre_free_substring_list(list_dst);
2619 static route_extended_t rulebased_get_bypass_route(routing_component_t rc,
2626 static void rulebased_finalize(routing_component_t rc)
2628 routing_component_rulebased_t routing =
2629 (routing_component_rulebased_t) rc;
2631 xbt_dict_free(&routing->dict_processing_units);
2632 xbt_dict_free(&routing->dict_autonomous_systems);
2633 xbt_dynar_free(&routing->list_route);
2634 xbt_dynar_free(&routing->list_ASroute);
2635 /* Delete structure */
2640 /* Creation routing model functions */
2641 static void *model_rulebased_create(void)
2643 routing_component_rulebased_t new_component =
2644 xbt_new0(s_routing_component_rulebased_t, 1);
2645 new_component->generic_routing.set_processing_unit =
2646 model_rulebased_set_processing_unit;
2647 new_component->generic_routing.set_autonomous_system =
2648 model_rulebased_set_autonomous_system;
2649 new_component->generic_routing.set_route = model_rulebased_set_route;
2650 new_component->generic_routing.set_ASroute = model_rulebased_set_ASroute;
2651 new_component->generic_routing.set_bypassroute = model_rulebased_set_bypassroute;
2652 new_component->generic_routing.get_onelink_routes = rulebased_get_onelink_routes;
2653 new_component->generic_routing.get_route = rulebased_get_route;
2654 new_component->generic_routing.get_latency = generic_get_link_latency;
2655 new_component->generic_routing.get_bypass_route = rulebased_get_bypass_route;
2656 new_component->generic_routing.finalize = rulebased_finalize;
2657 /* initialization of internal structures */
2658 new_component->dict_processing_units = xbt_dict_new();
2659 new_component->dict_autonomous_systems = xbt_dict_new();
2660 new_component->list_route = xbt_dynar_new(sizeof(rule_route_t), &rule_route_free);
2661 new_component->list_ASroute =
2662 xbt_dynar_new(sizeof(rule_route_extended_t),
2663 &rule_route_extended_free);
2664 return new_component;
2667 static void model_rulebased_load(void)
2669 /* use "surfxml_add_callback" to add a parse function call */
2672 static void model_rulebased_unload(void)
2674 /* use "surfxml_del_callback" to remove a parse function call */
2677 static void model_rulebased_end(void)
2681 #endif /* HAVE_PCRE_LIB */
2683 /* ************************************************************************** */
2684 /* ******************************* NO ROUTING ******************************* */
2686 /* Routing model structure */
2688 s_routing_component_t generic_routing;
2689 } s_routing_component_none_t, *routing_component_none_t;
2691 /* Business methods */
2692 static xbt_dynar_t none_get_onelink_routes(routing_component_t rc)
2697 static route_extended_t none_get_route(routing_component_t rc,
2698 const char *src, const char *dst)
2703 static route_extended_t none_get_bypass_route(routing_component_t rc,
2710 static void none_finalize(routing_component_t rc)
2715 static void none_set_processing_unit(routing_component_t rc,
2720 static void none_set_autonomous_system(routing_component_t rc,
2725 /* Creation routing model functions */
2726 static void *model_none_create(void)
2728 routing_component_none_t new_component =
2729 xbt_new0(s_routing_component_none_t, 1);
2730 new_component->generic_routing.set_processing_unit =
2731 none_set_processing_unit;
2732 new_component->generic_routing.set_autonomous_system =
2733 none_set_autonomous_system;
2734 new_component->generic_routing.set_route = NULL;
2735 new_component->generic_routing.set_ASroute = NULL;
2736 new_component->generic_routing.set_bypassroute = NULL;
2737 new_component->generic_routing.get_route = none_get_route;
2738 new_component->generic_routing.get_onelink_routes =
2739 none_get_onelink_routes;
2740 new_component->generic_routing.get_bypass_route = none_get_bypass_route;
2741 new_component->generic_routing.finalize = none_finalize;
2742 return new_component;
2745 static void model_none_load(void)
2749 static void model_none_unload(void)
2753 static void model_none_end(void)
2757 /* ************************************************** */
2758 /* ********** PATERN FOR NEW ROUTING **************** */
2760 /* The minimal configuration of a new routing model need the next functions,
2761 * also you need to set at the start of the file, the new model in the model
2762 * list. Remember keep the null ending of the list.
2764 /*** Routing model structure ***/
2766 // s_routing_component_t generic_routing;
2767 // /* things that your routing model need */
2768 // } s_routing_component_NEW_t,*routing_component_NEW_t;
2770 /*** Parse routing model functions ***/
2771 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
2772 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
2773 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
2774 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
2775 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
2777 /*** Business methods ***/
2778 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2779 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2780 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
2782 /*** Creation routing model functions ***/
2783 // static void* model_NEW_create(void) {
2784 // routing_component_NEW_t new_component = xbt_new0(s_routing_component_NEW_t,1);
2785 // new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
2786 // new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
2787 // new_component->generic_routing.set_route = model_NEW_set_route;
2788 // new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
2789 // new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
2790 // new_component->generic_routing.get_route = NEW_get_route;
2791 // new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
2792 // new_component->generic_routing.finalize = NEW_finalize;
2793 // /* initialization of internal structures */
2794 // return new_component;
2795 // } /* mandatory */
2796 // static void model_NEW_load(void) {} /* mandatory */
2797 // static void model_NEW_unload(void) {} /* mandatory */
2798 // static void model_NEW_end(void) {} /* mandatory */
2800 /* ************************************************************************** */
2801 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
2803 static void generic_set_processing_unit(routing_component_t rc,
2806 DEBUG1("Load process unit \"%s\"", name);
2807 int *id = xbt_new0(int, 1);
2808 xbt_dict_t _to_index;
2809 _to_index = current_routing->to_index;
2810 *id = xbt_dict_length(_to_index);
2811 xbt_dict_set(_to_index, name, id, xbt_free);
2814 static void generic_set_autonomous_system(routing_component_t rc,
2817 DEBUG1("Load Autonomous system \"%s\"", name);
2818 int *id = xbt_new0(int, 1);
2819 xbt_dict_t _to_index;
2820 _to_index = current_routing->to_index;
2821 *id = xbt_dict_length(_to_index);
2822 xbt_dict_set(_to_index, name, id, xbt_free);
2825 static int surf_pointer_resource_cmp(const void *a, const void *b)
2830 static int surf_link_resource_cmp(const void *a, const void *b)
2832 return !!memcmp(a,b,global_routing->size_of_link);
2835 static void generic_set_bypassroute(routing_component_t rc,
2836 const char *src, const char *dst,
2837 route_extended_t e_route)
2839 DEBUG2("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
2840 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
2843 route_name = bprintf("%s#%s", src, dst);
2844 xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
2845 "Invalid count of links, must be greater than zero (%s,%s)",
2847 xbt_assert4(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
2848 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
2849 src, e_route->src_gateway, dst, e_route->dst_gateway);
2851 route_extended_t new_e_route =
2852 generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
2853 xbt_dynar_free(&(e_route->generic_route.link_list));
2856 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
2857 (void (*)(void *)) generic_free_extended_route);
2858 xbt_free(route_name);
2861 /* ************************************************************************** */
2862 /* *********************** GENERIC BUSINESS METHODS ************************* */
2864 static double generic_get_link_latency(routing_component_t rc,
2865 const char *src, const char *dst)
2867 route_extended_t route = rc->get_route(rc,src,dst);
2870 double latency = 0.0;
2872 xbt_dynar_foreach(route->generic_route.link_list,i,link) {
2873 latency += get_link_latency(link);
2878 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
2880 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
2883 static route_extended_t generic_get_bypassroute(routing_component_t rc,
2887 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
2888 routing_component_t src_as, dst_as;
2889 int index_src, index_dst;
2890 xbt_dynar_t path_src = NULL;
2891 xbt_dynar_t path_dst = NULL;
2892 routing_component_t current = NULL;
2893 routing_component_t *current_src = NULL;
2894 routing_component_t *current_dst = NULL;
2896 /* (1) find the as where the src and dst are located */
2897 src_as = ((network_element_info_t)
2898 xbt_dict_get_or_null(global_routing->where_network_elements,
2899 src))->rc_component;
2900 dst_as = ((network_element_info_t)
2901 xbt_dict_get_or_null(global_routing->where_network_elements,
2902 dst))->rc_component;
2905 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
2908 /* (2) find the path to the root routing component */
2909 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
2911 while (current != NULL) {
2912 xbt_dynar_push(path_src, ¤t);
2913 current = current->routing_father;
2915 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
2917 while (current != NULL) {
2918 xbt_dynar_push(path_dst, ¤t);
2919 current = current->routing_father;
2922 /* (3) find the common father */
2923 index_src = path_src->used - 1;
2924 index_dst = path_dst->used - 1;
2925 current_src = xbt_dynar_get_ptr(path_src, index_src);
2926 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
2927 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
2928 routing_component_t *tmp_src, *tmp_dst;
2929 tmp_src = xbt_dynar_pop_ptr(path_src);
2930 tmp_dst = xbt_dynar_pop_ptr(path_dst);
2933 current_src = xbt_dynar_get_ptr(path_src, index_src);
2934 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
2937 int max_index_src = path_src->used - 1;
2938 int max_index_dst = path_dst->used - 1;
2940 int max_index = max(max_index_src, max_index_dst);
2943 route_extended_t e_route_bypass = NULL;
2945 for (max = 0; max <= max_index; max++) {
2946 for (i = 0; i < max; i++) {
2947 if (i <= max_index_src && max <= max_index_dst) {
2948 char *route_name = bprintf("%s#%s",
2949 (*(routing_component_t *)
2951 (path_src, i)))->name,
2952 (*(routing_component_t *)
2954 (path_dst, max)))->name);
2956 xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2957 xbt_free(route_name);
2961 if (max <= max_index_src && i <= max_index_dst) {
2962 char *route_name = bprintf("%s#%s",
2963 (*(routing_component_t *)
2965 (path_src, max)))->name,
2966 (*(routing_component_t *)
2968 (path_dst, i)))->name);
2970 xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2971 xbt_free(route_name);
2980 if (max <= max_index_src && max <= max_index_dst) {
2981 char *route_name = bprintf("%s#%s",
2982 (*(routing_component_t *)
2984 (path_src, max)))->name,
2985 (*(routing_component_t *)
2987 (path_dst, max)))->name);
2988 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2989 xbt_free(route_name);
2995 xbt_dynar_free(&path_src);
2996 xbt_dynar_free(&path_dst);
2998 route_extended_t new_e_route = NULL;
3000 if (e_route_bypass) {
3002 unsigned int cpt = 0;
3003 new_e_route = xbt_new0(s_route_extended_t, 1);
3004 new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
3005 new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
3006 new_e_route->generic_route.link_list =
3007 xbt_dynar_new(global_routing->size_of_link, NULL);
3008 xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
3009 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
3016 /* ************************************************************************** */
3017 /* ************************* GENERIC AUX FUNCTIONS ************************** */
3020 generic_new_route(e_surf_routing_hierarchy_t hierarchy,
3021 void *data, int order)
3027 xbt_dynar_t links = NULL, links_id = NULL;
3029 new_route = xbt_new0(s_route_t, 1);
3030 new_route->link_list =
3031 xbt_dynar_new(global_routing->size_of_link, NULL);
3033 xbt_assert0(hierarchy == SURF_ROUTING_BASE,
3034 "the hierarchy type is not SURF_ROUTING_BASE");
3036 links = ((route_t) data)->link_list;
3039 links_id = new_route->link_list;
3041 xbt_dynar_foreach(links, cpt, link_name) {
3044 xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
3047 xbt_dynar_push(links_id, &link);
3049 xbt_dynar_unshift(links_id, &link);
3051 THROW1(mismatch_error, 0, "Link %s not found", link_name);
3057 static route_extended_t
3058 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
3059 void *data, int order)
3063 route_extended_t e_route, new_e_route;
3066 xbt_dynar_t links = NULL, links_id = NULL;
3068 new_e_route = xbt_new0(s_route_extended_t, 1);
3069 new_e_route->generic_route.link_list =
3070 xbt_dynar_new(global_routing->size_of_link, NULL);
3071 new_e_route->src_gateway = NULL;
3072 new_e_route->dst_gateway = NULL;
3074 xbt_assert0(hierarchy == SURF_ROUTING_BASE
3075 || hierarchy == SURF_ROUTING_RECURSIVE,
3076 "the hierarchy type is not defined");
3078 if (hierarchy == SURF_ROUTING_BASE) {
3080 route = (route_t) data;
3081 links = route->link_list;
3083 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
3085 e_route = (route_extended_t) data;
3086 xbt_assert0(e_route->src_gateway
3087 && e_route->dst_gateway, "bad gateway, is null");
3088 links = e_route->generic_route.link_list;
3090 /* remeber not erase the gateway names */
3091 new_e_route->src_gateway = e_route->src_gateway;
3092 new_e_route->dst_gateway = e_route->dst_gateway;
3095 links_id = new_e_route->generic_route.link_list;
3097 xbt_dynar_foreach(links, cpt, link_name) {
3100 xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
3103 xbt_dynar_push(links_id, &link);
3105 xbt_dynar_unshift(links_id, &link);
3107 THROW1(mismatch_error, 0, "Link %s not found", link_name);
3113 static void generic_free_route(route_t route)
3116 xbt_dynar_free(&(route->link_list));
3121 static void generic_free_extended_route(route_extended_t e_route)
3124 xbt_dynar_free(&(e_route->generic_route.link_list));
3125 if (e_route->src_gateway)
3126 xbt_free(e_route->src_gateway);
3127 if (e_route->dst_gateway)
3128 xbt_free(e_route->dst_gateway);
3133 static routing_component_t generic_as_exist(routing_component_t find_from,
3134 routing_component_t to_find)
3136 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
3137 xbt_dict_cursor_t cursor = NULL;
3140 routing_component_t elem;
3141 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
3142 if (to_find == elem || generic_as_exist(elem, to_find)) {
3152 static routing_component_t
3153 generic_autonomous_system_exist(routing_component_t rc, char *element)
3155 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
3156 routing_component_t element_as, result, elem;
3157 xbt_dict_cursor_t cursor = NULL;
3159 element_as = ((network_element_info_t)
3160 xbt_dict_get_or_null
3161 (global_routing->where_network_elements,
3162 element))->rc_component;
3163 result = ((routing_component_t) - 1);
3164 if (element_as != rc)
3165 result = generic_as_exist(rc, element_as);
3169 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
3170 found = !strcmp(elem->name, element);
3180 static routing_component_t
3181 generic_processing_units_exist(routing_component_t rc, char *element)
3183 routing_component_t element_as;
3184 element_as = ((network_element_info_t)
3185 xbt_dict_get_or_null
3186 (global_routing->where_network_elements,
3187 element))->rc_component;
3188 if (element_as == rc)
3190 return generic_as_exist(rc, element_as);
3193 static void generic_src_dst_check(routing_component_t rc, const char *src,
3197 routing_component_t src_as = ((network_element_info_t)
3198 xbt_dict_get_or_null
3199 (global_routing->where_network_elements,
3200 src))->rc_component;
3201 routing_component_t dst_as = ((network_element_info_t)
3202 xbt_dict_get_or_null
3203 (global_routing->where_network_elements,
3204 dst))->rc_component;
3206 xbt_assert3(src_as != NULL && dst_as != NULL,
3207 "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
3208 src, dst, rc->name);
3209 xbt_assert4(src_as == dst_as,
3210 "The src(%s in %s) and dst(%s in %s) are in differents AS",
3211 src, src_as->name, dst, dst_as->name);
3212 xbt_assert2(rc == dst_as,
3213 "The routing component of src and dst is not the same as the network elements belong (%s==%s)",
3214 rc->name, dst_as->name);
3217 static void routing_parse_Sconfig(void)
3220 DEBUG0("WARNING tag config not yet implemented.");
3221 DEBUG1("Configuration name = %s",A_surfxml_config_id);
3224 static void routing_parse_Econfig(void)
3227 xbt_dict_cursor_t cursor = NULL;
3230 xbt_dict_foreach(current_property_set, cursor, key, elem) {
3231 DEBUG2("property : %s = %s",key,elem);
3235 static void routing_parse_Scluster(void)
3237 static int AX_ptr = 0;
3239 char *cluster_id = A_surfxml_cluster_id;
3240 char *cluster_prefix = A_surfxml_cluster_prefix;
3241 char *cluster_suffix = A_surfxml_cluster_suffix;
3242 char *cluster_radical = A_surfxml_cluster_radical;
3243 char *cluster_power = A_surfxml_cluster_power;
3244 char *cluster_bw = A_surfxml_cluster_bw;
3245 char *cluster_lat = A_surfxml_cluster_lat;
3246 char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
3247 char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
3248 char *host_id, *groups, *link_id = NULL;
3249 char *router_id, *link_router, *link_backbone;
3250 #ifdef HAVE_PCRE_LIB
3251 char *route_src_dst;
3255 xbt_dynar_t radical_elements;
3256 xbt_dynar_t radical_ends;
3257 int cluster_sharing_policy = AX_surfxml_cluster_sharing_policy;
3258 int cluster_bb_sharing_policy = AX_surfxml_cluster_bb_sharing_policy;
3260 #ifndef HAVE_PCRE_LIB
3261 xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
3262 char *route_src, *route_dst;
3266 static unsigned int surfxml_buffer_stack_stack_ptr = 1;
3267 static unsigned int surfxml_buffer_stack_stack[1024];
3269 surfxml_buffer_stack_stack[0] = 0;
3271 surfxml_bufferstack_push(1);
3273 SURFXML_BUFFER_SET(AS_id, cluster_id);
3274 #ifdef HAVE_PCRE_LIB
3275 SURFXML_BUFFER_SET(AS_routing, "RuleBased");
3276 DEBUG1("<AS id=\"%s\"\trouting=\"RuleBased\">", cluster_id);
3278 SURFXML_BUFFER_SET(AS_routing, "Full");
3279 DEBUG1("<AS id=\"%s\"\trouting=\"Full\">", cluster_id);
3281 SURFXML_START_TAG(AS);
3283 radical_elements = xbt_str_split(cluster_radical, ",");
3284 xbt_dynar_foreach(radical_elements, iter, groups) {
3285 radical_ends = xbt_str_split(groups, "-");
3286 switch (xbt_dynar_length(radical_ends)) {
3288 surf_parse_get_int(&start,
3289 xbt_dynar_get_as(radical_ends, 0, char *));
3290 host_id = bprintf("%s%d%s", cluster_prefix, start, cluster_suffix);
3291 #ifndef HAVE_PCRE_LIB
3292 xbt_dynar_push_as(tab_elements_num, int, start);
3294 link_id = bprintf("%s_link_%d", cluster_id, start);
3296 DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
3297 A_surfxml_host_state = A_surfxml_host_state_ON;
3298 SURFXML_BUFFER_SET(host_id, host_id);
3299 SURFXML_BUFFER_SET(host_power, cluster_power);
3300 SURFXML_BUFFER_SET(host_availability, "1.0");
3301 SURFXML_BUFFER_SET(host_availability_file, "");
3302 SURFXML_BUFFER_SET(host_state_file, "");
3303 SURFXML_START_TAG(host);
3304 SURFXML_END_TAG(host);
3306 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,cluster_bw, cluster_lat);
3307 A_surfxml_link_state = A_surfxml_link_state_ON;
3308 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3309 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3310 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3311 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
3312 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;}
3313 SURFXML_BUFFER_SET(link_id, link_id);
3314 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3315 SURFXML_BUFFER_SET(link_latency, cluster_lat);
3316 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3317 SURFXML_BUFFER_SET(link_latency_file, "");
3318 SURFXML_BUFFER_SET(link_state_file, "");
3319 SURFXML_START_TAG(link);
3320 SURFXML_END_TAG(link);
3328 surf_parse_get_int(&start,
3329 xbt_dynar_get_as(radical_ends, 0, char *));
3330 surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
3331 DEBUG2("Create hosts and links from %d to %d", start, end);
3332 for (i = start; i <= end; i++) {
3333 host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
3334 #ifndef HAVE_PCRE_LIB
3335 xbt_dynar_push_as(tab_elements_num, int, i);
3337 link_id = bprintf("%s_link_%d", cluster_id, i);
3339 DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
3340 A_surfxml_host_state = A_surfxml_host_state_ON;
3341 SURFXML_BUFFER_SET(host_id, host_id);
3342 SURFXML_BUFFER_SET(host_power, cluster_power);
3343 SURFXML_BUFFER_SET(host_availability, "1.0");
3344 SURFXML_BUFFER_SET(host_availability_file, "");
3345 SURFXML_BUFFER_SET(host_state_file, "");
3346 SURFXML_START_TAG(host);
3347 SURFXML_END_TAG(host);
3349 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,cluster_bw, cluster_lat);
3350 A_surfxml_link_state = A_surfxml_link_state_ON;
3351 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3352 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3353 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3354 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
3355 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;}
3356 SURFXML_BUFFER_SET(link_id, link_id);
3357 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3358 SURFXML_BUFFER_SET(link_latency, cluster_lat);
3359 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3360 SURFXML_BUFFER_SET(link_latency_file, "");
3361 SURFXML_BUFFER_SET(link_state_file, "");
3362 SURFXML_START_TAG(link);
3363 SURFXML_END_TAG(link);
3371 DEBUG0("Malformed radical");
3374 xbt_dynar_free(&radical_ends);
3376 xbt_dynar_free(&radical_elements);
3380 bprintf("%s%s_router%s", cluster_prefix, cluster_id,
3382 link_router = bprintf("%s_link_%s_router", cluster_id, cluster_id);
3383 link_backbone = bprintf("%s_backbone", cluster_id);
3385 DEBUG1("<router id=\"%s\"/>", router_id);
3386 SURFXML_BUFFER_SET(router_id, router_id);;
3387 SURFXML_START_TAG(router);
3388 SURFXML_END_TAG(router);
3390 DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_router,cluster_bw, cluster_lat);
3391 A_surfxml_link_state = A_surfxml_link_state_ON;
3392 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3393 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3394 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3395 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
3396 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;}
3397 SURFXML_BUFFER_SET(link_id, link_router);
3398 SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3399 SURFXML_BUFFER_SET(link_latency, cluster_lat);
3400 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3401 SURFXML_BUFFER_SET(link_latency_file, "");
3402 SURFXML_BUFFER_SET(link_state_file, "");
3403 SURFXML_START_TAG(link);
3404 SURFXML_END_TAG(link);
3406 DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_backbone,cluster_bw, cluster_lat);
3407 A_surfxml_link_state = A_surfxml_link_state_ON;
3408 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3409 if(cluster_bb_sharing_policy == A_surfxml_cluster_bb_sharing_policy_FATPIPE)
3410 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;}
3411 SURFXML_BUFFER_SET(link_id, link_backbone);
3412 SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
3413 SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
3414 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3415 SURFXML_BUFFER_SET(link_latency_file, "");
3416 SURFXML_BUFFER_SET(link_state_file, "");
3417 SURFXML_START_TAG(link);
3418 SURFXML_END_TAG(link);
3422 #ifdef HAVE_PCRE_LIB
3423 char *new_suffix = xbt_strdup("");
3425 radical_elements = xbt_str_split(cluster_suffix, ".");
3426 xbt_dynar_foreach(radical_elements, iter, groups) {
3427 if (strcmp(groups, "")) {
3428 char *old_suffix = new_suffix;
3429 new_suffix = bprintf("%s\\.%s", old_suffix, groups);
3433 route_src_dst = bprintf("%s(.*)%s", cluster_prefix, new_suffix);
3434 xbt_dynar_free(&radical_elements);
3437 char *pcre_link_src = bprintf("%s_link_$1src", cluster_id);
3438 char *pcre_link_backbone = bprintf("%s_backbone", cluster_id);
3439 char *pcre_link_dst = bprintf("%s_link_$1dst", cluster_id);
3441 DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, route_src_dst);
3442 DEBUG0("symmetrical=\"NO\">");
3443 SURFXML_BUFFER_SET(route_src, route_src_dst);
3444 SURFXML_BUFFER_SET(route_dst, route_src_dst);
3445 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
3446 SURFXML_START_TAG(route);
3448 DEBUG1("<link_ctn\tid=\"%s\"/>", pcre_link_src);
3449 SURFXML_BUFFER_SET(link_ctn_id, pcre_link_src);
3450 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3451 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3452 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3453 SURFXML_START_TAG(link_ctn);
3454 SURFXML_END_TAG(link_ctn);
3456 DEBUG1("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
3457 SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
3458 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3459 SURFXML_START_TAG(link_ctn);
3460 SURFXML_END_TAG(link_ctn);
3462 DEBUG1("<link_ctn\tid=\"%s\"/>", pcre_link_dst);
3463 SURFXML_BUFFER_SET(link_ctn_id, pcre_link_dst);
3464 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3465 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3466 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
3467 SURFXML_START_TAG(link_ctn);
3468 SURFXML_END_TAG(link_ctn);
3471 SURFXML_END_TAG(route);
3473 free(pcre_link_dst);
3474 free(pcre_link_backbone);
3475 free(pcre_link_src);
3476 free(route_src_dst);
3478 for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
3479 for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
3480 if (i == xbt_dynar_length(tab_elements_num)) {
3481 route_src = router_id;
3484 bprintf("%s%d%s", cluster_prefix,
3485 xbt_dynar_get_as(tab_elements_num, i, int),
3489 if (j == xbt_dynar_length(tab_elements_num)) {
3490 route_dst = router_id;
3493 bprintf("%s%d%s", cluster_prefix,
3494 xbt_dynar_get_as(tab_elements_num, j, int),
3498 DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src, route_dst);
3499 DEBUG0("symmetrical=\"NO\">");
3500 SURFXML_BUFFER_SET(route_src, route_src);
3501 SURFXML_BUFFER_SET(route_dst, route_dst);
3502 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
3503 SURFXML_START_TAG(route);
3505 if (i == xbt_dynar_length(tab_elements_num)) {
3506 route_src = link_router;
3509 bprintf("%s_link_%d", cluster_id,
3510 xbt_dynar_get_as(tab_elements_num, i, int));
3513 if (j == xbt_dynar_length(tab_elements_num)) {
3514 route_dst = link_router;
3517 bprintf("%s_link_%d", cluster_id,
3518 xbt_dynar_get_as(tab_elements_num, j, int));
3521 DEBUG1("<link_ctn\tid=\"%s\"/>", route_src);
3522 SURFXML_BUFFER_SET(link_ctn_id, route_src);
3523 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3524 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3525 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3526 SURFXML_START_TAG(link_ctn);
3527 SURFXML_END_TAG(link_ctn);
3529 DEBUG1("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
3530 SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
3531 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3532 SURFXML_START_TAG(link_ctn);
3533 SURFXML_END_TAG(link_ctn);
3535 DEBUG1("<link_ctn\tid=\"%s\"/>", route_dst);
3536 SURFXML_BUFFER_SET(link_ctn_id, route_dst);
3537 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3538 if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3539 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
3540 SURFXML_START_TAG(link_ctn);
3541 SURFXML_END_TAG(link_ctn);
3544 SURFXML_END_TAG(route);
3547 xbt_dynar_free(&tab_elements_num);
3552 free(link_backbone);
3556 SURFXML_END_TAG(AS);
3559 surfxml_bufferstack_pop(1);
3562 static void routing_parse_Speer(void)
3564 static int AX_ptr = 0;
3566 char *peer_id = A_surfxml_peer_id;
3567 char *peer_power = A_surfxml_peer_power;
3568 char *peer_bw_in = A_surfxml_peer_bw_in;
3569 char *peer_bw_out = A_surfxml_peer_bw_out;
3570 char *peer_lat = A_surfxml_peer_lat;
3571 char *peer_coord = A_surfxml_peer_coordinates;
3573 char *host_id = NULL;
3574 char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
3576 #ifdef HAVE_PCRE_LIB
3580 int peer_sharing_policy = AX_surfxml_peer_sharing_policy;
3582 #ifndef HAVE_PCRE_LIB
3583 //xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
3584 //char *route_src, *route_dst;
3588 static unsigned int surfxml_buffer_stack_stack_ptr = 1;
3589 static unsigned int surfxml_buffer_stack_stack[1024];
3591 surfxml_buffer_stack_stack[0] = 0;
3593 surfxml_bufferstack_push(1);
3595 SURFXML_BUFFER_SET(AS_id, peer_id);
3596 #ifdef HAVE_PCRE_LIB
3597 SURFXML_BUFFER_SET(AS_routing, "RuleBased");
3598 DEBUG1("<AS id=\"%s\"\trouting=\"RuleBased\">", peer_id);
3600 SURFXML_BUFFER_SET(AS_routing, "Full");
3601 DEBUG1("<AS id=\"%s\"\trouting=\"Full\">", peer_id);
3603 SURFXML_START_TAG(AS);
3606 host_id = bprintf("peer_%s", peer_id);
3607 router_id = bprintf("router_%s", peer_id);
3608 link_id_up = bprintf("link_%s_up", peer_id);
3609 link_id_down = bprintf("link_%s_down", peer_id);
3611 link_router = bprintf("%s_link_router", peer_id);
3612 link_backbone = bprintf("%s_backbone", peer_id);
3614 DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, peer_power);
3615 A_surfxml_host_state = A_surfxml_host_state_ON;
3616 SURFXML_BUFFER_SET(host_id, host_id);
3617 SURFXML_BUFFER_SET(host_power, peer_power);
3618 SURFXML_BUFFER_SET(host_availability, "1.0");
3619 SURFXML_BUFFER_SET(host_availability_file, "");
3620 SURFXML_BUFFER_SET(host_state_file, "");
3621 SURFXML_START_TAG(host);
3622 SURFXML_END_TAG(host);
3624 DEBUG2("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer_coord);
3625 SURFXML_BUFFER_SET(router_id, router_id);
3626 SURFXML_BUFFER_SET(router_coordinates, peer_coord);
3627 SURFXML_START_TAG(router);
3628 SURFXML_END_TAG(router);
3630 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_up, peer_bw_in, peer_lat);
3631 A_surfxml_link_state = A_surfxml_link_state_ON;
3632 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3633 if(peer_sharing_policy == A_surfxml_peer_sharing_policy_FULLDUPLEX)
3634 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3635 if(peer_sharing_policy == A_surfxml_peer_sharing_policy_FATPIPE)
3636 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;}
3637 SURFXML_BUFFER_SET(link_id, link_id_up);
3638 SURFXML_BUFFER_SET(link_bandwidth, peer_bw_in);
3639 SURFXML_BUFFER_SET(link_latency, peer_lat);
3640 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3641 SURFXML_BUFFER_SET(link_latency_file, "");
3642 SURFXML_BUFFER_SET(link_state_file, "");
3643 SURFXML_START_TAG(link);
3644 SURFXML_END_TAG(link);
3646 DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_down, peer_bw_out, peer_lat);
3647 A_surfxml_link_state = A_surfxml_link_state_ON;
3648 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3649 if(peer_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3650 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
3651 if(peer_sharing_policy == A_surfxml_peer_sharing_policy_FATPIPE)
3652 {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;}
3653 SURFXML_BUFFER_SET(link_id, link_id_down);
3654 SURFXML_BUFFER_SET(link_bandwidth, peer_bw_out);
3655 SURFXML_BUFFER_SET(link_latency, peer_lat);
3656 SURFXML_BUFFER_SET(link_bandwidth_file, "");
3657 SURFXML_BUFFER_SET(link_latency_file, "");
3658 SURFXML_BUFFER_SET(link_state_file, "");
3659 SURFXML_START_TAG(link);
3660 SURFXML_END_TAG(link);
3665 DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", peer_id, router_id);
3666 DEBUG0("symmetrical=\"NO\">");
3667 SURFXML_BUFFER_SET(route_src, peer_id);
3668 SURFXML_BUFFER_SET(route_dst, router_id);
3669 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
3670 SURFXML_START_TAG(route);
3672 DEBUG1("<link_ctn\tid=\"%s\"/>", link_id_up);
3673 SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
3674 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3675 if(peer_sharing_policy == A_surfxml_peer_sharing_policy_FULLDUPLEX)
3676 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3677 SURFXML_START_TAG(link_ctn);
3678 SURFXML_END_TAG(link_ctn);
3681 SURFXML_END_TAG(route);
3684 DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, peer_id);
3685 DEBUG0("symmetrical=\"NO\">");
3686 SURFXML_BUFFER_SET(route_src, router_id);
3687 SURFXML_BUFFER_SET(route_dst, peer_id);
3688 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
3689 SURFXML_START_TAG(route);
3691 DEBUG1("<link_ctn\tid=\"%s\"/>", link_id_down);
3692 SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
3693 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3694 if(peer_sharing_policy == A_surfxml_peer_sharing_policy_FULLDUPLEX)
3695 {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
3696 SURFXML_START_TAG(link_ctn);
3697 SURFXML_END_TAG(link_ctn);
3700 SURFXML_END_TAG(route);
3703 SURFXML_END_TAG(AS);
3706 //xbt_dynar_free(&tab_elements_num);
3708 surfxml_bufferstack_pop(1);
3713 * New methods to init the routing model component from the lua script
3717 * calling parse_S_AS_lua with lua values
3719 void routing_AS_init(const char *AS_id, const char *AS_routing)
3721 parse_S_AS_lua((char *) AS_id, (char *) AS_routing);
3725 * calling parse_E_AS_lua to fisnish the creation of routing component
3727 void routing_AS_end(const char *AS_id)
3729 parse_E_AS_lua((char *) AS_id);
3733 * add a host to the network element list
3736 void routing_add_host(const char *host_id)
3738 parse_S_host_lua((char *) host_id, (char*)""); // FIXME propagate coordinate system to lua
3742 * Set a new link on the actual list of link for a route or ASroute
3744 void routing_add_link(const char *link_id)
3746 parse_E_link_c_ctn_new_elem_lua((char *) link_id);
3750 *Set the endpoints for a route
3752 void routing_set_route(const char *src_id, const char *dst_id)
3754 parse_S_route_new_and_endpoints_lua(src_id, dst_id);
3758 * Store the route by calling parse_E_route_store_route
3760 void routing_store_route(void)
3762 parse_E_route_store_route();