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. */
8 #include "surf_private.h"
11 #include "xbt/config.h"
12 #include "xbt/graph.h"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route,surf,"Routing part of surf");
17 ////////////////////////////////////////////////////////////////////////////////
18 // HERE START THE NEW CODE
19 ////////////////////////////////////////////////////////////////////////////////
21 //...... DEBUG ONLY .... //
22 static void print_tree(routing_component_t rc);
23 static void print_global(void);
24 static void print_AS_start(void);
25 static void print_AS_end(void);
26 static void print_host(void);
27 static void print_link(void);
28 static void print_route(void);
29 static void print_ctn(void);
30 static void DEBUG_exit(void);
32 ////////////////////////////////////////////////////////////////////////////////
33 // HERE START THE NEW CODE
34 ////////////////////////////////////////////////////////////////////////////////
37 routing_global_t global_routing = NULL;
38 routing_component_t current_routing = NULL;
39 model_type_t current_routing_model = NULL;
41 /* Prototypes of each model */
42 static void* model_full_create(void); /* create structures for full routing model */
43 static void model_full_load(void); /* load parse functions for full routing model */
44 static void model_full_unload(void); /* unload parse functions for full routing model */
45 static void model_full_end(void); /* finalize the creation of full routing model */
47 static void* model_floyd_create(void); /* create structures for floyd routing model */
48 static void model_floyd_load(void); /* load parse functions for floyd routing model */
49 static void model_floyd_unload(void); /* unload parse functions for floyd routing model */
50 static void model_floyd_end(void); /* finalize the creation of floyd routing model */
52 static void* model_dijkstra_both_create(int cached); /* create by calling dijkstra or dijkstracache */
53 static void* model_dijkstra_create(void); /* create structures for dijkstra routing model */
54 static void* model_dijkstracache_create(void); /* create structures for dijkstracache routing model */
55 static void model_dijkstra_both_load(void); /* load parse functions for dijkstra routing model */
56 static void model_dijkstra_both_unload(void); /* unload parse functions for dijkstra routing model */
57 static void model_dijkstra_both_end(void); /* finalize the creation of dijkstra 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 /* Table of routing models */
66 // SURF_MODEL_FULL = 0,
68 // SURF_MODEL_DIJKSTRA,
69 // SURF_MODEL_DIJKSTRACACHE,
71 // } e_surf_model_type_t;
73 /* this lines are olny for replace use like index in the model table */
74 #define SURF_MODEL_FULL 0
75 #define SURF_MODEL_FLOYD 1
76 #define SURF_MODEL_DIJKSTRA 2
77 #define SURF_MODEL_DIJKSTRACACHE 3
78 #define SURF_MODEL_NONE 4
80 /* must be finish with null and carefull if change de order */
81 struct s_model_type routing_models[] =
82 { {"Full", "Full routing data (fast, large memory requirements, fully expressive)",
83 model_full_create, model_full_load, model_full_unload, model_full_end },
84 {"Floyd", "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
85 model_floyd_create, model_floyd_load, model_floyd_unload, model_floyd_end },
86 {"Dijkstra", "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
87 model_dijkstra_create ,model_dijkstra_both_load, model_dijkstra_both_unload, model_dijkstra_both_end },
88 {"DijkstraCache", "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
89 model_dijkstracache_create, model_dijkstra_both_load, model_dijkstra_both_unload, model_dijkstra_both_end },
90 {"none", "No routing (usable with Constant network only)",
91 model_none_create, model_none_load, model_none_unload, model_none_end },
92 {NULL,NULL,NULL,NULL,NULL,NULL}};
94 /* ************************************************************************** */
95 /* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
97 static void generic_set_processing_units(routing_component_t rc, const char* name);
98 static void generic_set_autonomous_system(routing_component_t rc, const char* name);
99 static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route);
100 static void generic_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route);
101 static void generic_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route);
103 /* ************************************************************************** */
104 /* *************** GENERIC BUSINESS METHODS (declarations) ****************** */
106 static route_extended_t generic_get_bypassroute(routing_component_t rc, const char* src, const char* dst);
108 /* ************************************************************************** */
109 /* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
111 static route_extended_t generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy, void* data, int order);
112 static void generic_free_extended_route(route_extended_t e_route);
113 static routing_component_t generic_autonomous_system_exist(routing_component_t rc, char* element);
114 static routing_component_t generic_processing_units_exist(routing_component_t rc, char* element);
115 static void generic_src_dst_check(routing_component_t rc, const char* src, const char* dst);
117 /* ************************************************************************** */
118 /* **************************** GLOBAL FUNCTIONS **************************** */
120 /* global parse functions */
122 static char* src = NULL; /* temporary store the source name of a route */
123 static char* dst = NULL; /* temporary store the destination name of a route */
124 static char* gw_src = NULL; /* temporary store the gateway source name of a route */
125 static char* gw_dst = NULL; /* temporary store the gateway destination name of a route */
126 static xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */
129 * \brief Add a "host" to the network element list
131 static void parse_S_host(void) {
132 if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_BASE;
133 xbt_assert1(!xbt_dict_get_or_null(global_routing->where_network_elements,A_surfxml_host_id),
134 "Reading a host, processing unit \"%s\" already exist",A_surfxml_host_id);
135 xbt_assert1(current_routing->set_processing_units,
136 "no defined method \"set_processing_units\" in \"%s\"",current_routing->name);
137 (*(current_routing->set_processing_units))(current_routing,A_surfxml_host_id);
138 xbt_dict_set(global_routing->where_network_elements,A_surfxml_host_id,(void*)current_routing,NULL);
142 * \brief Add a "router" to the network element list
144 static void parse_S_router(void) {
145 if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_BASE;
146 xbt_assert1(!xbt_dict_get_or_null(global_routing->where_network_elements,A_surfxml_router_id),
147 "Reading a router, processing unit \"%s\" already exist",A_surfxml_router_id);
148 xbt_assert1(current_routing->set_processing_units,
149 "no defined method \"set_processing_units\" in \"%s\"",current_routing->name);
150 (*(current_routing->set_processing_units))(current_routing,A_surfxml_router_id);
151 xbt_dict_set(global_routing->where_network_elements,A_surfxml_router_id,(void*)current_routing,NULL);
155 * \brief Set the endponints for a route
157 static void parse_S_route_new_and_endpoints(void) {
158 if( src != NULL && dst != NULL && link_list != NULL )
159 THROW2(arg_error,0,"Route between %s to %s can not be defined",A_surfxml_route_src,A_surfxml_route_dst);
160 src = A_surfxml_route_src;
161 dst = A_surfxml_route_dst;
162 link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref);
166 * \brief Set the endponints and gateways for a ASroute
168 static void parse_S_ASroute_new_and_endpoints(void) {
169 if( src != NULL && dst != NULL && link_list != NULL )
170 THROW2(arg_error,0,"Route between %s to %s can not be defined",A_surfxml_ASroute_src,A_surfxml_ASroute_dst);
171 src = A_surfxml_ASroute_src;
172 dst = A_surfxml_ASroute_dst;
173 gw_src = A_surfxml_ASroute_gw_src;
174 gw_dst = A_surfxml_ASroute_gw_dst;
175 link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref);
179 * \brief Set the endponints for a bypassRoute
181 static void parse_S_bypassRoute_new_and_endpoints(void) {
182 if( src != NULL && dst != NULL && link_list != NULL )
183 THROW2(arg_error,0,"Bypass Route between %s to %s can not be defined",A_surfxml_bypassRoute_src,A_surfxml_bypassRoute_dst);
184 src = A_surfxml_bypassRoute_src;
185 dst = A_surfxml_bypassRoute_dst;
186 gw_src = A_surfxml_bypassRoute_gw_src;
187 gw_dst = A_surfxml_bypassRoute_gw_dst;
188 link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref);
192 * \brief Set a new link on the actual list of link for a route or ASroute
194 static void parse_E_link_c_ctn_new_elem(void) {
196 val = xbt_strdup(A_surfxml_link_c_ctn_id);
197 xbt_dynar_push(link_list, &val);
201 * \brief Store the route by calling the set_route function of the current routing component
203 static void parse_E_route_store_route(void) {
204 route_t route = xbt_new0(s_route_t,1);
205 route->link_list = link_list;
207 xbt_assert1(generic_processing_units_exist(current_routing,src),"the \"%s\" processing units gateway does not exist",src);
208 xbt_assert1(generic_processing_units_exist(current_routing,dst),"the \"%s\" processing units gateway does not exist",dst);
209 xbt_assert1(current_routing->set_route,"no defined method \"set_route\" in \"%s\"",current_routing->name);
210 (*(current_routing->set_route))(current_routing,src,dst,route);
217 * \brief Store the ASroute by calling the set_ASroute function of the current routing component
219 static void parse_E_ASroute_store_route(void) {
220 route_extended_t e_route = xbt_new0(s_route_extended_t,1);
221 e_route->generic_route.link_list = link_list;
222 e_route->src_gateway = xbt_strdup(gw_src);
223 e_route->dst_gateway = xbt_strdup(gw_dst);
225 xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
226 xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
227 xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
228 xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
229 xbt_assert1(current_routing->set_ASroute,"no defined method \"set_ASroute\" in \"%s\"",current_routing->name);
230 (*(current_routing->set_ASroute))(current_routing,src,dst,e_route);
239 * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
241 static void parse_E_bypassRoute_store_route(void) {
242 route_extended_t e_route = xbt_new0(s_route_extended_t,1);
243 e_route->generic_route.link_list = link_list;
244 e_route->src_gateway = xbt_strdup(gw_src);
245 e_route->dst_gateway = xbt_strdup(gw_dst);
247 xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
248 xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
249 xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
250 xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
251 xbt_assert1(current_routing->set_bypassroute,"no defined method \"set_bypassroute\" in \"%s\"",current_routing->name);
252 (*(current_routing->set_bypassroute))(current_routing,src,dst,e_route);
261 * \brief Make a new routing component
263 * Detect the routing model type of the routing component, make the new structure and
264 * set the parsing functions to allows parsing the part of the routing tree
266 static void parse_S_AS(void) {
267 routing_component_t new_routing;
268 model_type_t model = NULL;
269 char* wanted = A_surfxml_AS_routing;
271 /* seach the routing model */
272 for (cpt=0;routing_models[cpt].name;cpt++)
273 if (!strcmp(wanted,routing_models[cpt].name))
274 model = &routing_models[cpt];
275 /* if its not exist, error */
276 if( model == NULL ) {
277 fprintf(stderr,"Routing model %s not found. Existing models:\n",wanted);
278 for (cpt=0;routing_models[cpt].name;cpt++)
279 if (!strcmp(wanted,routing_models[cpt].name))
280 fprintf(stderr," %s: %s\n",routing_models[cpt].name,routing_models[cpt].desc);
284 /* make a new routing component */
285 new_routing = (routing_component_t)(*(model->create))();
286 new_routing->routing = model;
287 new_routing->hierarchy = SURF_ROUTING_NULL;
288 new_routing->name = xbt_strdup(A_surfxml_AS_id);
289 new_routing->routing_sons = xbt_dict_new();
290 INFO2("Routing %s for AS %s",A_surfxml_AS_routing,A_surfxml_AS_id);
292 if( current_routing == NULL && global_routing->root == NULL ){
294 /* it is the first one */
295 new_routing->routing_father = NULL;
296 global_routing->root = new_routing;
298 } else if( current_routing != NULL && global_routing->root != NULL ) {
300 xbt_assert1(!xbt_dict_get_or_null(current_routing->routing_sons,A_surfxml_AS_id),
301 "The AS \"%s\" already exist",A_surfxml_AS_id);
302 /* it is a part of the tree */
303 new_routing->routing_father = current_routing;
304 /* set the father behavior */
305 if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
306 /* add to the sons dictionary */
307 xbt_dict_set(current_routing->routing_sons,A_surfxml_AS_id,(void*)new_routing,NULL);
308 /* add to the father element list */
309 (*(current_routing->set_autonomous_system))(current_routing,A_surfxml_AS_id);
310 /* unload the prev parse rules */
311 (*(current_routing->routing->unload))();
314 THROW0(arg_error,0,"All defined components must be belong to a AS");
316 /* set the new parse rules */
317 (*(new_routing->routing->load))();
318 /* set the new current component of the tree */
319 current_routing = new_routing;
323 * \brief Finish the creation of a new routing component
325 * When you finish to read the routing component, other structures must be created.
326 * the "end" method allow to do that for any routing model type
328 static void parse_E_AS(void) {
330 if( current_routing == NULL ) {
331 THROW1(arg_error,0,"Close AS(%s), that never open",A_surfxml_AS_id);
333 xbt_dict_set(global_routing->where_network_elements,current_routing->name,current_routing->routing_father,NULL);
334 (*(current_routing->routing->unload))();
335 (*(current_routing->routing->end))();
336 current_routing = current_routing->routing_father;
337 if( current_routing != NULL )
338 (*(current_routing->routing->load))();
342 /* Aux Business methods */
345 * \brief Get the AS father and the first elements of the chain
347 * \param src the source host name
348 * \param dst the destination host name
350 * Get the common father of the to processing units, and the first different
351 * father in the chain
353 static xbt_dynar_t elements_father(const char* src,const char* dst) {
355 xbt_assert0(src&&dst,"bad parameters for \"elements_father\" method");
357 xbt_dynar_t result = xbt_dynar_new(sizeof(char*), NULL); // &xbt_free_ref
359 routing_component_t src_as, dst_as;
360 int index_src, index_dst, index_father_src, index_father_dst;
361 xbt_dynar_t path_src = NULL;
362 xbt_dynar_t path_dst = NULL;
363 routing_component_t current = NULL;
364 routing_component_t* current_src = NULL;
365 routing_component_t* current_dst = NULL;
366 routing_component_t* father = NULL;
368 /* (1) find the as where the src and dst are located */
369 src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src);
370 dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst);
371 xbt_assert2(src_as&&dst_as, "Ask for route \"from\"(%s) or \"to\"(%s) no found",src,dst);
373 /* (2) find the path to the root routing component */
374 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
376 while( current != NULL ) {
377 xbt_dynar_push(path_src,¤t);
378 current = current->routing_father;
380 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
382 while( current != NULL ) {
383 xbt_dynar_push(path_dst,¤t);
384 current = current->routing_father;
387 /* (3) find the common father */
388 index_src = (path_src->used)-1;
389 index_dst = (path_dst->used)-1;
390 current_src = xbt_dynar_get_ptr(path_src,index_src);
391 current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
392 while( index_src >= 0 && index_dst >= 0 && *current_src == *current_dst ) {
393 current_src = xbt_dynar_get_ptr(path_src,index_src);
394 current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
400 current_src = xbt_dynar_get_ptr(path_src,index_src);
401 current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
403 /* (4) they are not in the same routing component, make the path */
404 index_father_src = index_src+1;
405 index_father_dst = index_dst+1;
407 if(*current_src==*current_dst)
408 father = current_src;
410 father = xbt_dynar_get_ptr(path_src,index_father_src);
412 /* (5) result generation */
413 xbt_dynar_push(result,father); // first same the father of src and dst
414 xbt_dynar_push(result,current_src); // second the first different father of src
415 xbt_dynar_push(result,current_dst); // three the first different father of dst
417 xbt_dynar_free(&path_src);
418 xbt_dynar_free(&path_dst);
423 /* Global Business methods */
426 * \brief Recursive function for get_route
428 * \param src the source host name
429 * \param dst the destination host name
431 * This fuction is call by "get_route". It allow to walk through the
432 * routing components tree.
434 static route_extended_t _get_route(const char* src,const char* dst) {
439 DEBUG2("Solve route \"%s\" to \"%s\"",src,dst);
441 xbt_assert0(src&&dst,"bad parameters for \"_get_route\" method");
443 route_extended_t e_route, e_route_cnt, e_route_src, e_route_dst;
445 xbt_dynar_t elem_father_list = elements_father(src,dst);
447 routing_component_t common_father = xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
448 routing_component_t src_father = xbt_dynar_get_as(elem_father_list, 1, routing_component_t);
449 routing_component_t dst_father = xbt_dynar_get_as(elem_father_list, 2, routing_component_t);
451 e_route = xbt_new0(s_route_extended_t,1);
452 e_route->src_gateway = NULL;
453 e_route->dst_gateway = NULL;
454 e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
456 if(src_father==dst_father) { /* SURF_ROUTING_BASE */
458 if( strcmp(src,dst) ){
459 e_route_cnt = (*(common_father->get_route))(common_father,src,dst);
460 xbt_assert2(e_route_cnt,"no route between \"%s\" and \"%s\"",src,dst);
461 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
462 xbt_dynar_push(e_route->generic_route.link_list,&link);
464 xbt_dynar_free( &(e_route_cnt->generic_route.link_list) );
465 xbt_free(e_route_cnt);
468 } else { /* SURF_ROUTING_RECURSIVE */
470 route_extended_t e_route_bypass = (*(common_father->get_bypass_route))(common_father,src,dst);
473 e_route_cnt = e_route_bypass;
475 e_route_cnt = (*(common_father->get_route))(common_father,src_father->name,dst_father->name);
477 xbt_assert2(e_route_cnt,"no route between \"%s\" and \"%s\"",src_father->name,dst_father->name);
479 xbt_assert2( (e_route_cnt->src_gateway==NULL) == (e_route_cnt->dst_gateway==NULL) ,
480 "bad gateway for route between \"%s\" and \"%s\"",src,dst);
482 if( src != e_route_cnt->src_gateway ) {
483 e_route_src = _get_route(src,e_route_cnt->src_gateway);
484 xbt_assert2(e_route_src,"no route between \"%s\" and \"%s\"",src,e_route_cnt->src_gateway);
485 xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
486 xbt_dynar_push(e_route->generic_route.link_list,&link);
490 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
491 xbt_dynar_push(e_route->generic_route.link_list,&link);
494 if( e_route_cnt->dst_gateway != dst ) {
495 e_route_dst = _get_route(e_route_cnt->dst_gateway,dst);
496 xbt_assert2(e_route_dst,"no route between \"%s\" and \"%s\"",e_route_cnt->dst_gateway,dst);
497 xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
498 xbt_dynar_push(e_route->generic_route.link_list,&link);
502 e_route->src_gateway = e_route_cnt->src_gateway;
503 e_route->dst_gateway = e_route_cnt->dst_gateway;
505 xbt_dynar_free( &(e_route_src->generic_route.link_list) );
506 xbt_free(e_route_src);
507 xbt_dynar_free( &(e_route_cnt->generic_route.link_list) );
508 xbt_free(e_route_cnt);
509 xbt_dynar_free( &(e_route_dst->generic_route.link_list) );
510 xbt_free(e_route_dst);
513 xbt_dynar_free(&elem_father_list);
519 * \brief Generic method: find a route between hosts
521 * \param src the source host name
522 * \param dst the destination host name
524 * walk through the routing components tree and find a route between hosts
525 * by calling the differents "get_route" functions in each routing component
527 static xbt_dynar_t get_route(const char* src,const char* dst) {
529 if(global_routing->last_route) xbt_dynar_free( &(global_routing->last_route) );
531 route_extended_t e_route;
532 xbt_dynar_t elem_father_list = elements_father(src,dst);
533 routing_component_t common_father = xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
536 e_route = _get_route(src,dst);
538 e_route = (*(common_father->get_route))(common_father,src,dst);
540 xbt_assert2(e_route,"no route between \"%s\" and \"%s\"",src,dst);
541 global_routing->last_route = e_route->generic_route.link_list;
544 xbt_dynar_free(&elem_father_list);
546 if( xbt_dynar_length(global_routing->last_route)==0 )
549 return global_routing->last_route;
553 * \brief Recursive function for finalize
555 * \param rc the source host name
557 * This fuction is call by "finalize". It allow to finalize the
558 * AS or routing components. It delete all the structures.
560 static void _finalize(routing_component_t rc) {
562 xbt_dict_cursor_t cursor = NULL;
564 routing_component_t elem;
565 xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
568 xbt_dict_t tmp_sons = rc->routing_sons;
569 char* tmp_name = rc->name;
570 xbt_dict_free(&tmp_sons);
572 xbt_assert1(rc->finalize,"no defined method \"finalize\" in \"%s\"",current_routing->name);
573 (*(rc->finalize))(rc);
578 * \brief Generic method: delete all the routing structures
580 * walk through the routing components tree and delete the structures
581 * by calling the differents "finalize" functions in each routing component
583 static void finalize(void) {
584 /* delete recursibly all the tree */
585 _finalize(global_routing->root);
586 /* delete "where" dict */
587 xbt_dict_free(&(global_routing->where_network_elements));
588 /* delete last_route */
589 xbt_dynar_free(&(global_routing->last_route));
590 /* delete global routing structure */
591 xbt_free(global_routing);
595 * \brief Generic method: create the global routing schema
597 * Make a global routing structure and set all the parsing functions.
599 void routing_model_create(size_t size_of_links, void* loopback) {
601 /* config the uniq global routing */
602 global_routing = xbt_new0(s_routing_global_t,1);
603 global_routing->where_network_elements = xbt_dict_new();
604 global_routing->root = NULL;
605 global_routing->get_route = get_route;
606 global_routing->finalize = finalize;
607 global_routing->loopback = loopback;
608 global_routing->size_of_link = size_of_links;
609 global_routing->last_route = xbt_dynar_new(size_of_links, NULL);
611 /* no current routing at moment */
612 current_routing = NULL;
614 /* parse generic elements */
615 surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host);
616 surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router);
618 surfxml_add_callback(STag_surfxml_route_cb_list, &parse_S_route_new_and_endpoints);
619 surfxml_add_callback(STag_surfxml_ASroute_cb_list, &parse_S_ASroute_new_and_endpoints);
620 surfxml_add_callback(STag_surfxml_bypassRoute_cb_list, &parse_S_bypassRoute_new_and_endpoints);
622 surfxml_add_callback(ETag_surfxml_link_c_ctn_cb_list, &parse_E_link_c_ctn_new_elem);
624 surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_E_route_store_route);
625 surfxml_add_callback(ETag_surfxml_ASroute_cb_list, &parse_E_ASroute_store_route);
626 surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list, &parse_E_bypassRoute_store_route);
628 surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS);
629 surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS);
632 //surfxml_add_callback(ETag_surfxml_platform_cb_list, &DEBUG_exit);
635 /* ************************************************************************** */
636 /* *************************** FULL ROUTING ********************************* */
638 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
640 /* Routing model structure */
643 s_routing_component_t generic_routing;
644 xbt_dict_t parse_routes; /* store data during the parse process */
645 xbt_dict_t to_index; /* char* -> network_element_t */
646 xbt_dict_t bypassRoutes;
647 route_extended_t *routing_table;
648 } s_routing_component_full_t,*routing_component_full_t;
650 /* Business methods */
652 static route_extended_t full_get_route(routing_component_t rc, const char* src,const char* dst) {
653 xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name);
656 routing_component_full_t routing = (routing_component_full_t)rc;
657 int table_size = xbt_dict_length(routing->to_index);
659 generic_src_dst_check(rc,src,dst);
660 int *src_id = xbt_dict_get_or_null(routing->to_index,src);
661 int *dst_id = xbt_dict_get_or_null(routing->to_index,dst);
662 xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",src,dst);
664 route_extended_t e_route = NULL;
665 route_extended_t new_e_route = NULL;
669 e_route = TO_ROUTE_FULL(*src_id,*dst_id);
672 new_e_route = xbt_new0(s_route_extended_t,1);
673 new_e_route->src_gateway = e_route->src_gateway;
674 new_e_route->dst_gateway = e_route->dst_gateway;
675 new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
676 xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
677 xbt_dynar_push(new_e_route->generic_route.link_list,&link);
683 static void full_finalize(routing_component_t rc) {
684 routing_component_full_t routing = (routing_component_full_t)rc;
685 int table_size = xbt_dict_length(routing->to_index);
688 /* Delete routing table */
689 for (i=0;i<table_size;i++)
690 for (j=0;j<table_size;j++)
691 generic_free_extended_route(TO_ROUTE_FULL(i,j));
692 xbt_free(routing->routing_table);
693 /* Delete bypass dict */
694 xbt_dict_free(&routing->bypassRoutes);
695 /* Delete index dict */
696 xbt_dict_free(&(routing->to_index));
697 /* Delete structure */
702 /* Creation routing model functions */
704 static void* model_full_create(void) {
705 routing_component_full_t new_component = xbt_new0(s_routing_component_full_t,1);
706 new_component->generic_routing.set_processing_units = generic_set_processing_units;
707 new_component->generic_routing.set_autonomous_system = generic_set_autonomous_system;
708 new_component->generic_routing.set_route = generic_set_route;
709 new_component->generic_routing.set_ASroute = generic_set_ASroute;
710 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
711 new_component->generic_routing.get_route = full_get_route;
712 new_component->generic_routing.get_bypass_route = generic_get_bypassroute;
713 new_component->generic_routing.finalize = full_finalize;
714 new_component->to_index = xbt_dict_new();
715 new_component->bypassRoutes = xbt_dict_new();
716 new_component->parse_routes = xbt_dict_new();
717 return new_component;
720 static void model_full_load(void) {
721 /* use "surfxml_add_callback" to add a parse function call */
724 static void model_full_unload(void) {
725 /* use "surfxml_del_callback" to remove a parse function call */
728 static void model_full_end(void) {
730 char *key, *end; //*src_name, *dst_name
731 const char* sep = "#";
735 route_extended_t e_route;
738 xbt_dict_cursor_t cursor = NULL;
739 xbt_dynar_t keys = NULL;
742 routing_component_full_t routing = ((routing_component_full_t)current_routing);
743 int table_size = xbt_dict_length(routing->to_index);
745 /* Create the routing table */
746 routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
748 /* Put the routes in position */
749 xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
750 keys = xbt_str_split_str(key, sep);
751 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
752 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
753 TO_ROUTE_FULL(src_id,dst_id) = generic_new_extended_route(current_routing->hierarchy,data,1);
754 xbt_dynar_free(&keys);
757 /* delete the parse table */
758 xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
759 route = (route_t)data;
760 xbt_dynar_free(&(route->link_list));
764 /* delete parse dict */
765 xbt_dict_free(&(routing->parse_routes));
767 /* Add the loopback if needed */
768 if(current_routing->hierarchy == SURF_ROUTING_BASE) {
769 for (i = 0; i < table_size; i++) {
770 e_route = TO_ROUTE_FULL(i, i);
771 if(!e_route) { // && !xbt_dynar_length(e_route->generic_route.link_list)
772 e_route = xbt_new0(s_route_extended_t,1);
773 e_route->src_gateway = NULL;
774 e_route->dst_gateway = NULL;
775 e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
776 xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback);
777 TO_ROUTE_FULL(i, i) = e_route;
782 /* Shrink the dynar routes (save unused slots) */
783 for (i=0;i<table_size;i++)
784 for (j=0;j<table_size;j++)
785 if(TO_ROUTE_FULL(i,j))
786 xbt_dynar_shrink(TO_ROUTE_FULL(i,j)->generic_route.link_list,0);
789 /* ************************************************************************** */
790 /* *************************** FLOYD ROUTING ******************************** */
792 #define TO_FLOYD_COST(i,j) cost_table[(i)+(j)*table_size]
793 #define TO_FLOYD_PRED(i,j) (routing->predecessor_table)[(i)+(j)*table_size]
794 #define TO_FLOYD_LINK(i,j) (routing->link_table)[(i)+(j)*table_size]
796 /* Routing model structure */
799 s_routing_component_t generic_routing;
800 /* vars for calculate the floyd algorith. */
801 int *predecessor_table;
802 route_extended_t *link_table; /* char* -> int* */
804 xbt_dict_t bypassRoutes;
805 /* store data during the parse process */
806 xbt_dict_t parse_routes;
807 } s_routing_component_floyd_t,*routing_component_floyd_t;
809 /* Business methods */
811 static route_extended_t floyd_get_route(routing_component_t rc, const char* src,const char* dst) {
812 xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name);
815 routing_component_floyd_t routing = (routing_component_floyd_t) rc;
816 int table_size = xbt_dict_length(routing->to_index);
818 generic_src_dst_check(rc,src,dst);
819 int *src_id = xbt_dict_get_or_null(routing->to_index,src);
820 int *dst_id = xbt_dict_get_or_null(routing->to_index,dst);
821 xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",src,dst);
823 /* create a result route */
824 route_extended_t new_e_route = xbt_new0(s_route_extended_t,1);
825 new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
826 new_e_route->src_gateway = NULL;
827 new_e_route->dst_gateway = NULL;
832 char *gw_src,*gw_dst, *prev_gw_src,*prev_gw_dst, *first_gw;
839 pred = TO_FLOYD_PRED(*src_id, pred);
840 if(pred == -1) // if no pred in route -> no route to host
842 xbt_assert2(TO_FLOYD_LINK(pred,prev_pred),"Invalid link for the route between \"%s\" or \"%s\"", src, dst);
844 prev_gw_src = gw_src;
845 prev_gw_dst = gw_dst;
847 route_extended_t e_route = TO_FLOYD_LINK(pred,prev_pred);
848 gw_src = e_route->src_gateway;
849 gw_dst = e_route->dst_gateway;
851 if(first) first_gw = gw_dst;
853 if(rc->hierarchy == SURF_ROUTING_RECURSIVE && !first && strcmp(gw_dst,prev_gw_src)) {
854 routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,gw_dst);
855 routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,prev_gw_src);
856 xbt_assert4(src_as==dst_as,"bad routing, differents AS gateways in route \"%s\" to \"%s\" (\"%s\"-\"%s\")",src,dst,gw_dst,prev_gw_src);
857 route_extended_t e_route_as_to_as = (*(src_as->get_route))(src_as,gw_dst,prev_gw_src);
858 xbt_assert2(e_route_as_to_as,"no route between \"%s\" and \"%s\"",gw_dst,prev_gw_src);
859 links = e_route_as_to_as->generic_route.link_list;
861 xbt_dynar_foreach(links, cpt, link) {
862 xbt_dynar_insert_at(new_e_route->generic_route.link_list,pos,&link);
867 links = e_route->generic_route.link_list;
868 xbt_dynar_foreach(links, cpt, link) {
869 xbt_dynar_unshift(new_e_route->generic_route.link_list,&link);
873 } while(pred != *src_id);
874 xbt_assert4(pred != -1, "no route from host %d to %d (\"%s\" to \"%s\")", *src_id, *dst_id,src,dst);
876 if(rc->hierarchy == SURF_ROUTING_RECURSIVE) {
877 new_e_route->src_gateway = gw_src;
878 new_e_route->dst_gateway = first_gw;
884 static void floyd_finalize(routing_component_t rc) {
885 routing_component_floyd_t routing = (routing_component_floyd_t)rc;
888 table_size = xbt_dict_length(routing->to_index);
889 /* Delete link_table */
890 for (i=0;i<table_size;i++)
891 for (j=0;j<table_size;j++)
892 generic_free_extended_route(TO_FLOYD_LINK(i,j));
893 xbt_free(routing->link_table);
894 /* Delete bypass dict */
895 xbt_dict_free(&routing->bypassRoutes);
896 /* Delete index dict */
897 xbt_dict_free(&(routing->to_index));
898 /* Delete dictionary index dict, predecessor and links table */
899 xbt_free(routing->predecessor_table);
900 /* Delete structure */
905 static void* model_floyd_create(void) {
906 routing_component_floyd_t new_component = xbt_new0(s_routing_component_floyd_t,1);
907 new_component->generic_routing.set_processing_units = generic_set_processing_units;
908 new_component->generic_routing.set_autonomous_system = generic_set_autonomous_system;
909 new_component->generic_routing.set_route = generic_set_route;
910 new_component->generic_routing.set_ASroute = generic_set_ASroute;
911 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
912 new_component->generic_routing.get_route = floyd_get_route;
913 new_component->generic_routing.get_bypass_route = generic_get_bypassroute;
914 new_component->generic_routing.finalize = floyd_finalize;
915 new_component->to_index = xbt_dict_new();
916 new_component->bypassRoutes = xbt_dict_new();
917 new_component->parse_routes = xbt_dict_new();
918 return new_component;
921 static void model_floyd_load(void) {
922 /* use "surfxml_add_callback" to add a parse function call */
925 static void model_floyd_unload(void) {
926 /* use "surfxml_del_callback" to remove a parse function call */
929 static void model_floyd_end(void) {
931 routing_component_floyd_t routing = ((routing_component_floyd_t)current_routing);
932 xbt_dict_cursor_t cursor = NULL;
934 char *key,*data, *end; //*src_name, *dst_name;
935 const char *sep = "#";
938 unsigned int i,j,a,b,c;
940 /* set the size of inicial table */
941 int table_size = xbt_dict_length(routing->to_index);
943 /* Create Cost, Predecessor and Link tables */
944 cost_table = xbt_new0(double, table_size*table_size); //link cost from host to host
945 routing->predecessor_table = xbt_new0(int, table_size*table_size); //predecessor host numbers
946 routing->link_table = xbt_new0(route_extended_t, table_size*table_size); //actual link between src and dst
948 /* Initialize costs and predecessors*/
949 for(i = 0; i<table_size;i++)
950 for(j = 0; j<table_size;j++) {
951 TO_FLOYD_COST(i,j) = DBL_MAX;
952 TO_FLOYD_PRED(i,j) = -1;
953 TO_FLOYD_LINK(i,j) = NULL; // FIXED DAVID
956 /* Put the routes in position */
957 xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
958 keys = xbt_str_split_str(key, sep);
959 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
960 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
961 TO_FLOYD_LINK(src_id,dst_id) = generic_new_extended_route(current_routing->hierarchy,data,0);
962 TO_FLOYD_PRED(src_id,dst_id) = src_id;
964 TO_FLOYD_COST(src_id,dst_id) = 1; // assume 1 for now // TODO DAVID REDO
965 xbt_dynar_free(&keys);
968 /* Add the loopback if needed */
969 if(current_routing->hierarchy == SURF_ROUTING_BASE) {
970 for (i = 0; i < table_size; i++) {
971 route_extended_t e_route = TO_FLOYD_LINK(i, i);
972 if(!e_route) { // && !xbt_dynar_length(e_route->generic_route.link_list)
973 e_route = xbt_new0(s_route_extended_t,1);
974 e_route->src_gateway = NULL;
975 e_route->dst_gateway = NULL;
976 e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
977 xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback);
978 TO_FLOYD_LINK(i,i) = e_route;
979 TO_FLOYD_PRED(i,i) = i;
980 TO_FLOYD_COST(i,i) = 1;
984 //Calculate path costs
985 for(c=0;c<table_size;c++) {
986 for(a=0;a<table_size;a++) {
987 for(b=0;b<table_size;b++) {
988 if(TO_FLOYD_COST(a,c) < DBL_MAX && TO_FLOYD_COST(c,b) < DBL_MAX) {
989 if(TO_FLOYD_COST(a,b) == DBL_MAX ||
990 (TO_FLOYD_COST(a,c)+TO_FLOYD_COST(c,b) < TO_FLOYD_COST(a,b))) {
991 TO_FLOYD_COST(a,b) = TO_FLOYD_COST(a,c)+TO_FLOYD_COST(c,b);
992 TO_FLOYD_PRED(a,b) = TO_FLOYD_PRED(c,b);
999 /* delete the parse table */
1000 xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1001 route_t route = (route_t)data;
1002 xbt_dynar_free(&(route->link_list));
1006 /* delete parse dict */
1007 xbt_dict_free(&(routing->parse_routes));
1010 xbt_free(cost_table);
1013 /* ************************************************************************** */
1014 /* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
1017 s_routing_component_t generic_routing;
1018 xbt_dict_t to_index;
1019 xbt_dict_t bypassRoutes;
1020 xbt_graph_t route_graph; /* xbt_graph */
1021 xbt_dict_t graph_node_map; /* map */
1022 xbt_dict_t route_cache; /* use in cache mode */
1024 xbt_dict_t parse_routes;
1025 } s_routing_component_dijkstra_t,*routing_component_dijkstra_t;
1028 typedef struct graph_node_data {
1030 int graph_id; //used for caching internal graph id's
1031 } s_graph_node_data_t, * graph_node_data_t;
1033 typedef struct graph_node_map_element {
1035 } s_graph_node_map_element_t, * graph_node_map_element_t;
1037 typedef struct route_cache_element {
1040 } s_route_cache_element_t, * route_cache_element_t;
1042 /* Free functions */
1044 static void route_cache_elem_free(void *e) {
1045 route_cache_element_t elm=(route_cache_element_t)e;
1047 xbt_free(elm->pred_arr);
1052 static void graph_node_map_elem_free(void *e) {
1053 graph_node_map_element_t elm = (graph_node_map_element_t)e;
1059 static void graph_edge_data_free(void *e) {
1060 route_extended_t e_route = (route_extended_t)e;
1062 xbt_dynar_free(&(e_route->generic_route.link_list));
1063 if(e_route->src_gateway) xbt_free(e_route->src_gateway);
1064 if(e_route->dst_gateway) xbt_free(e_route->dst_gateway);
1069 /* Utility functions */
1071 static xbt_node_t route_graph_new_node(routing_component_dijkstra_t rc, int id, int graph_id) {
1072 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1073 xbt_node_t node = NULL;
1074 graph_node_data_t data = NULL;
1075 graph_node_map_element_t elm = NULL;
1077 data = xbt_new0(struct graph_node_data, 1); // FIXED by david
1079 data->graph_id = graph_id;
1080 node = xbt_graph_new_node(routing->route_graph, data);
1082 elm = xbt_new0(struct graph_node_map_element, 1); // FIXED by david
1084 xbt_dict_set_ext(routing->graph_node_map, (char*)(&id), sizeof(int), (xbt_set_elm_t)elm, &graph_node_map_elem_free);
1089 static graph_node_map_element_t graph_node_map_search(routing_component_dijkstra_t rc, int id) {
1090 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1091 graph_node_map_element_t elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&id), sizeof(int));
1097 static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id, int dst_id, route_extended_t e_route ) {
1098 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1100 xbt_node_t src = NULL;
1101 xbt_node_t dst = NULL;
1102 graph_node_map_element_t src_elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&src_id), sizeof(int));
1103 graph_node_map_element_t dst_elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&dst_id), sizeof(int));
1106 src = src_elm->node;
1109 dst = dst_elm->node;
1111 //add nodes if they don't exist in the graph
1112 if(src_id == dst_id && src == NULL && dst == NULL) {
1113 src = route_graph_new_node(rc,src_id, -1);
1117 src = route_graph_new_node(rc,src_id, -1);
1120 dst = route_graph_new_node(rc,dst_id, -1);
1124 //add link as edge to graph
1125 xbt_graph_new_edge(routing->route_graph, src, dst, e_route);
1128 static void add_loopback_dijkstra(routing_component_dijkstra_t rc) {
1129 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1131 xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1133 xbt_node_t node = NULL;
1134 unsigned int cursor2;
1135 xbt_dynar_foreach(nodes, cursor2, node) {
1136 xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node);
1137 xbt_edge_t edge = NULL;
1138 unsigned int cursor;
1141 xbt_dynar_foreach(out_edges, cursor, edge) {
1142 xbt_node_t other_node = xbt_graph_edge_get_target(edge);
1143 if(other_node == node) {
1150 route_extended_t e_route = xbt_new0(s_route_extended_t,1);
1151 e_route->src_gateway = NULL;
1152 e_route->dst_gateway = NULL;
1153 e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
1154 xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback);
1155 xbt_graph_new_edge(routing->route_graph, node, node, e_route);
1160 /* Business methods */
1162 static route_extended_t dijkstra_get_route(routing_component_t rc, const char* src,const char* dst) {
1163 xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name);
1165 /* set utils vars */
1166 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1168 generic_src_dst_check(rc,src,dst);
1169 int *src_id = xbt_dict_get_or_null(routing->to_index,src);
1170 int *dst_id = xbt_dict_get_or_null(routing->to_index,dst);
1171 xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",src,dst);
1173 /* create a result route */
1174 route_extended_t new_e_route = xbt_new0(s_route_extended_t,1);
1175 new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
1176 new_e_route->src_gateway = NULL;
1177 new_e_route->dst_gateway = NULL;
1179 int *pred_arr = NULL;
1180 int src_node_id = 0;
1181 int dst_node_id = 0;
1182 int * nodeid = NULL;
1184 route_extended_t e_route;
1188 xbt_dynar_t links = NULL;
1189 route_cache_element_t elm = NULL;
1190 xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1192 /* Use the graph_node id mapping set to quickly find the nodes */
1193 graph_node_map_element_t src_elm = graph_node_map_search(routing,*src_id);
1194 graph_node_map_element_t dst_elm = graph_node_map_search(routing,*dst_id);
1195 xbt_assert2(src_elm != NULL && dst_elm != NULL, "src %d or dst %d does not exist", *src_id, *dst_id);
1196 src_node_id = ((graph_node_data_t)xbt_graph_node_get_data(src_elm->node))->graph_id;
1197 dst_node_id = ((graph_node_data_t)xbt_graph_node_get_data(dst_elm->node))->graph_id;
1199 /* if the src and dst are the same */ // FIXED by david
1200 if( src_node_id == dst_node_id ) {
1202 xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_node_id, xbt_node_t);
1203 xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_node_id, xbt_node_t);
1204 xbt_edge_t edge = xbt_graph_get_edge(routing->route_graph, node_s_v, node_e_v);
1206 xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id, *dst_id);
1208 e_route = (route_extended_t)xbt_graph_edge_get_data(edge);
1210 // TODO: correct the order
1211 links = e_route->generic_route.link_list;
1212 xbt_dynar_foreach(links, cpt, link) {
1213 xbt_dynar_push(new_e_route->generic_route.link_list,&link);
1219 if(routing->cached) {
1220 /*check if there is a cached predecessor list avail */
1221 elm = (route_cache_element_t)xbt_dict_get_or_null_ext(routing->route_cache, (char*)(&src_id), sizeof(int));
1224 if(elm) { //cached mode and cache hit
1225 pred_arr = elm->pred_arr;
1226 } else { //not cached mode or cache miss
1227 double * cost_arr = NULL;
1228 xbt_heap_t pqueue = NULL;
1231 int nr_nodes = xbt_dynar_length(nodes);
1232 cost_arr = xbt_new0(double, nr_nodes); // link cost from src to other hosts
1233 pred_arr = xbt_new0(int, nr_nodes); // predecessors in path from src
1234 pqueue = xbt_heap_new(nr_nodes, xbt_free);
1237 cost_arr[src_node_id] = 0.0;
1239 for(i = 0; i < nr_nodes; i++) {
1240 if(i != src_node_id) {
1241 cost_arr[i] = DBL_MAX;
1246 //initialize priority queue
1247 nodeid = xbt_new0(int, 1);
1249 xbt_heap_push(pqueue, nodeid, cost_arr[i]);
1253 // apply dijkstra using the indexes from the graph's node array
1254 while(xbt_heap_size(pqueue) > 0) {
1255 int * v_id = xbt_heap_pop(pqueue);
1256 xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t);
1257 xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node);
1258 xbt_edge_t edge = NULL;
1259 unsigned int cursor;
1261 xbt_dynar_foreach(out_edges, cursor, edge) {
1262 xbt_node_t u_node = xbt_graph_edge_get_target(edge);
1263 graph_node_data_t data = xbt_graph_node_get_data(u_node);
1264 int u_id = data->graph_id;
1265 int cost_v_u = 1; //fixed link cost for now // TODO DAVID REDO
1267 if(cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
1268 pred_arr[u_id] = *v_id;
1269 cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
1270 nodeid = xbt_new0(int, 1);
1272 xbt_heap_push(pqueue, nodeid, cost_arr[u_id]);
1276 //free item popped from pqueue
1281 xbt_heap_free(pqueue);
1285 //compose route path with links
1286 char *gw_src,*gw_dst, *prev_gw_src,*prev_gw_dst, *first_gw;
1288 for(v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
1289 xbt_node_t node_pred_v = xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
1290 xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t);
1291 xbt_edge_t edge = xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
1293 xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id, *dst_id);
1295 prev_gw_src = gw_src;
1296 prev_gw_dst = gw_dst;
1298 e_route = (route_extended_t)xbt_graph_edge_get_data(edge);
1299 gw_src = e_route->src_gateway;
1300 gw_dst = e_route->dst_gateway;
1302 if(v==dst_node_id) first_gw = gw_dst;
1304 if(rc->hierarchy == SURF_ROUTING_RECURSIVE && v!=dst_node_id && strcmp(gw_dst,prev_gw_src)) {
1305 routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,gw_dst);
1306 routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,prev_gw_src);
1307 xbt_assert4(src_as==dst_as,"bad routing, differents AS gateways in route \"%s\" to \"%s\" (\"%s\"-\"%s\")",src,dst,gw_dst,prev_gw_src);
1308 route_extended_t e_route_as_to_as = (*(src_as->get_route))(src_as,gw_dst,prev_gw_src);
1309 xbt_assert2(e_route_as_to_as,"no route between \"%s\" and \"%s\"",gw_dst,prev_gw_src);
1310 links = e_route_as_to_as->generic_route.link_list;
1312 xbt_dynar_foreach(links, cpt, link) {
1313 xbt_dynar_insert_at(new_e_route->generic_route.link_list,pos,&link);
1316 xbt_dynar_free(&(e_route_as_to_as->generic_route.link_list));
1317 xbt_free(e_route_as_to_as);
1320 links = e_route->generic_route.link_list;
1321 xbt_dynar_foreach(links, cpt, link) {
1322 xbt_dynar_unshift(new_e_route->generic_route.link_list,&link);
1327 if(rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1328 new_e_route->src_gateway = gw_src;
1329 new_e_route->dst_gateway = first_gw;
1332 if(routing->cached && elm == NULL) {
1333 //add to predecessor list of the current src-host to cache
1334 elm = xbt_new0(struct route_cache_element, 1); // FIXED by david
1335 elm->pred_arr = pred_arr;
1337 xbt_dict_set_ext(routing->route_cache, (char*)(&src_id), sizeof(int), (xbt_set_elm_t)elm, &route_cache_elem_free);
1340 if(!routing->cached)
1346 static void dijkstra_finalize(routing_component_t rc) {
1347 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1350 xbt_graph_free_graph(routing->route_graph, &xbt_free, &graph_edge_data_free, &xbt_free);
1351 xbt_dict_free(&routing->graph_node_map);
1353 xbt_dict_free(&routing->route_cache);
1354 /* Delete bypass dict */
1355 xbt_dict_free(&routing->bypassRoutes);
1356 /* Delete index dict */
1357 xbt_dict_free(&(routing->to_index));
1358 /* Delete structure */
1363 /* Creation routing model functions */
1365 static void* model_dijkstra_both_create(int cached) {
1366 routing_component_dijkstra_t new_component = xbt_new0(s_routing_component_dijkstra_t,1);
1367 new_component->generic_routing.set_processing_units = generic_set_processing_units;
1368 new_component->generic_routing.set_autonomous_system = generic_set_autonomous_system;
1369 new_component->generic_routing.set_route = generic_set_route;
1370 new_component->generic_routing.set_ASroute = generic_set_ASroute;
1371 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1372 new_component->generic_routing.get_route = dijkstra_get_route;
1373 new_component->generic_routing.get_bypass_route = generic_get_bypassroute;
1374 new_component->generic_routing.finalize = dijkstra_finalize;
1375 new_component->cached = cached;
1376 new_component->to_index = xbt_dict_new();
1377 new_component->bypassRoutes = xbt_dict_new();
1378 new_component->parse_routes = xbt_dict_new();
1379 return new_component;
1382 static void* model_dijkstra_create(void) {
1383 return model_dijkstra_both_create(0);
1386 static void* model_dijkstracache_create(void) {
1387 return model_dijkstra_both_create(1);
1390 static void model_dijkstra_both_load(void) {
1391 /* use "surfxml_add_callback" to add a parse function call */
1394 static void model_dijkstra_both_unload(void) {
1395 /* use "surfxml_del_callback" to remove a parse function call */
1398 static void model_dijkstra_both_end(void) {
1399 routing_component_dijkstra_t routing = (routing_component_dijkstra_t) current_routing;
1400 xbt_dict_cursor_t cursor = NULL;
1401 char *key, *data, *end;
1402 const char *sep = "#";
1404 xbt_node_t node = NULL;
1405 unsigned int cursor2;
1406 xbt_dynar_t nodes = NULL;
1410 /* Create the topology graph */
1411 routing->route_graph = xbt_graph_new_graph(1, NULL);
1412 routing->graph_node_map = xbt_dict_new();
1415 routing->route_cache = xbt_dict_new();
1417 /* Put the routes in position */
1418 xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1419 keys = xbt_str_split_str(key, sep);
1420 src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
1421 dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
1422 route_extended_t e_route = generic_new_extended_route(current_routing->hierarchy,data,0);
1423 route_new_dijkstra(routing,src_id,dst_id,e_route);
1424 xbt_dynar_free(&keys);
1427 /* delete the parse table */
1428 xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1429 route = (route_t)data;
1430 xbt_dynar_free(&(route->link_list));
1434 /* delete parse dict */
1435 xbt_dict_free(&(routing->parse_routes));
1437 /* Add the loopback if needed */
1438 if(current_routing->hierarchy == SURF_ROUTING_BASE)
1439 add_loopback_dijkstra(routing);
1441 /* initialize graph indexes in nodes after graph has been built */
1442 nodes = xbt_graph_get_nodes(routing->route_graph);
1444 xbt_dynar_foreach(nodes, cursor2, node) {
1445 graph_node_data_t data = xbt_graph_node_get_data(node);
1446 data->graph_id = cursor2;
1451 /* ************************************************************************** */
1452 /* ******************************* NO ROUTING ******************************* */
1454 /* Routing model structure */
1456 s_routing_component_t generic_routing;
1457 } s_routing_component_none_t,*routing_component_none_t;
1459 /* Business methods */
1460 static route_extended_t none_get_route(routing_component_t rc, const char* src,const char* dst){
1463 static route_extended_t none_get_bypass_route(routing_component_t rc, const char* src,const char* dst){
1466 static void none_finalize(routing_component_t rc) {
1470 static void none_set_processing_units(routing_component_t rc, const char* name) {}
1471 static void none_set_autonomous_system(routing_component_t rc, const char* name) {}
1473 /* Creation routing model functions */
1474 static void* model_none_create(void) {
1475 routing_component_none_t new_component = xbt_new0(s_routing_component_none_t,1);
1476 new_component->generic_routing.set_processing_units = none_set_processing_units;
1477 new_component->generic_routing.set_autonomous_system = none_set_autonomous_system;
1478 new_component->generic_routing.set_route = NULL;
1479 new_component->generic_routing.set_ASroute = NULL;
1480 new_component->generic_routing.set_bypassroute = NULL;
1481 new_component->generic_routing.get_route = none_get_route;
1482 new_component->generic_routing.get_bypass_route = none_get_bypass_route;
1483 new_component->generic_routing.finalize = none_finalize;
1484 return new_component;
1487 static void model_none_load(void) {}
1488 static void model_none_unload(void) {}
1489 static void model_none_end(void) {}
1491 /* ************************************************** */
1492 /* ********** PATERN FOR NEW ROUTING **************** */
1494 /* The minimal configuration of a new routing model need the next functions,
1495 * also you need to set at the start of the file, the new model in the model
1496 * list. Remember keep the null ending of the list.
1498 /*** Routing model structure ***/
1500 s_routing_component_t generic_routing;
1501 /* things that your routing model need */
1502 } s_routing_component_NEW_t,*routing_component_NEW_t;
1504 /*** Parse routing model functions ***/
1505 static void model_NEW_set_processing_units(routing_component_t rc, const char* name) {}
1506 static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
1507 static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
1508 static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
1509 static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
1511 /*** Business methods ***/
1512 static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
1513 static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
1514 static void NEW_finalize(routing_component_t rc) {}
1516 // /*** Creation routing model functions ***/
1517 static void* model_NEW_create(void) {
1518 routing_component_full_t new_component = xbt_new0(s_routing_component_full_t,1);
1519 new_component->generic_routing.set_processing_units = model_NEW_set_processing_units;
1520 new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
1521 new_component->generic_routing.set_route = model_NEW_set_route;
1522 new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
1523 new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
1524 new_component->generic_routing.get_route = NEW_get_route;
1525 new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
1526 new_component->generic_routing.finalize = NEW_finalize;
1527 /* initialization of internal structures */
1528 return new_component;
1530 static void model_NEW_load(void) {} /* mandatory */
1531 static void model_NEW_unload(void) {} /* mandatory */
1532 static void model_NEW_end(void) {} /* mandatory */
1534 /* ************************************************************************** */
1535 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
1537 static void generic_set_processing_units(routing_component_t rc, const char* name) {
1538 DEBUG1("Load process unit \"%s\"",name);
1539 model_type_t modeltype = rc->routing;
1540 int *id = xbt_new0(int,1); // xbt_malloc(sizeof(int)); ?
1541 xbt_dict_t _to_index;
1542 if(modeltype==&routing_models[SURF_MODEL_FULL])
1543 _to_index = ((routing_component_full_t)rc)->to_index;
1545 else if(modeltype==&routing_models[SURF_MODEL_FLOYD])
1546 _to_index = ((routing_component_floyd_t)rc)->to_index;
1548 else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
1549 modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE])
1550 _to_index = ((routing_component_dijkstra_t)rc)->to_index;
1552 else xbt_die("\"generic_set_processing_units\" not support");
1553 *id = xbt_dict_length(_to_index);
1554 xbt_dict_set(_to_index,name,id,xbt_free);
1557 static void generic_set_autonomous_system(routing_component_t rc, const char* name) {
1558 DEBUG1("Load Autonomous system \"%s\"",name);
1559 model_type_t modeltype = rc->routing;
1560 int *id = xbt_new0(int,1); // xbt_malloc(sizeof(int)); ?
1561 xbt_dict_t _to_index;
1562 if(modeltype==&routing_models[SURF_MODEL_FULL])
1563 _to_index = ((routing_component_full_t)rc)->to_index;
1565 else if(modeltype==&routing_models[SURF_MODEL_FLOYD])
1566 _to_index = ((routing_component_floyd_t)rc)->to_index;
1568 else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
1569 modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE])
1570 _to_index = ((routing_component_dijkstra_t)rc)->to_index;
1572 else xbt_die("\"generic_set_autonomous_system\" not support");
1573 *id = xbt_dict_length(_to_index);
1574 xbt_dict_set(_to_index,name,id,xbt_free);
1577 static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {
1578 DEBUG2("Load Route from \"%s\" to \"%s\"",src,dst);
1579 model_type_t modeltype = rc->routing;
1580 xbt_dict_t _parse_routes;
1581 xbt_dict_t _to_index;
1583 int *src_id, *dst_id;
1585 if(modeltype==&routing_models[SURF_MODEL_FULL]) {
1586 _parse_routes = ((routing_component_full_t)rc)->parse_routes;
1587 _to_index = ((routing_component_full_t)rc)->to_index;
1589 } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
1590 _parse_routes = ((routing_component_floyd_t)rc)->parse_routes;
1591 _to_index = ((routing_component_floyd_t)rc)->to_index;
1593 } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
1594 modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
1595 _parse_routes = ((routing_component_dijkstra_t)rc)->parse_routes;
1596 _to_index = ((routing_component_dijkstra_t)rc)->to_index;
1598 } else xbt_die("\"generic_set_route\" not support");
1600 src_id = xbt_dict_get_or_null(_to_index, src);
1601 dst_id = xbt_dict_get_or_null(_to_index, dst);
1603 xbt_assert2(src_id&&dst_id,"Network elements %s or %s not found", src, dst);
1604 route_name = bprintf("%d#%d",*src_id,*dst_id);
1606 xbt_assert2(xbt_dynar_length(route->link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst);
1607 xbt_assert2(!xbt_dict_get_or_null(_parse_routes,route_name),
1608 "The route between \"%s\" and \"%s\" already exist",src,dst);
1610 xbt_dict_set(_parse_routes, route_name, route, NULL);
1611 xbt_free(route_name);
1614 static void generic_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {
1615 DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"",src,e_route->src_gateway,dst,e_route->dst_gateway);
1616 model_type_t modeltype = rc->routing;
1617 xbt_dict_t _parse_routes;
1618 xbt_dict_t _to_index;
1620 int *src_id, *dst_id;
1622 if(modeltype==&routing_models[SURF_MODEL_FULL]) {
1623 _parse_routes = ((routing_component_full_t)rc)->parse_routes;
1624 _to_index = ((routing_component_full_t)rc)->to_index;
1626 } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
1627 _parse_routes = ((routing_component_floyd_t)rc)->parse_routes;
1628 _to_index = ((routing_component_floyd_t)rc)->to_index;
1630 } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
1631 modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
1632 _parse_routes = ((routing_component_dijkstra_t)rc)->parse_routes;
1633 _to_index = ((routing_component_dijkstra_t)rc)->to_index;
1635 } else xbt_die("\"generic_set_route\" not support");
1637 src_id = xbt_dict_get_or_null(_to_index, src);
1638 dst_id = xbt_dict_get_or_null(_to_index, dst);
1640 xbt_assert2(src_id&&dst_id,"Network elements %s or %s not found", src, dst);
1641 route_name = bprintf("%d#%d",*src_id,*dst_id);
1643 xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst);
1644 xbt_assert4(!xbt_dict_get_or_null(_parse_routes,route_name),
1645 "The route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",src,e_route->src_gateway,dst,e_route->dst_gateway);
1647 xbt_dict_set(_parse_routes, route_name, e_route, NULL);
1648 xbt_free(route_name);
1651 static void generic_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {
1652 DEBUG2("Load bypassRoute from \"%s\" to \"%s\"",src,dst);
1653 model_type_t modeltype = rc->routing;
1654 xbt_dict_t dict_bypassRoutes;
1656 if(modeltype==&routing_models[SURF_MODEL_FULL]) {
1657 dict_bypassRoutes = ((routing_component_full_t)rc)->bypassRoutes;
1658 } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
1659 dict_bypassRoutes = ((routing_component_floyd_t)rc)->bypassRoutes;
1660 } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
1661 modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
1662 dict_bypassRoutes = ((routing_component_dijkstra_t)rc)->bypassRoutes;
1663 } else xbt_die("\"generic_set_bypassroute\" not support");
1664 route_name = bprintf("%s#%s",src,dst);
1665 xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst);
1666 xbt_assert4(!xbt_dict_get_or_null(dict_bypassRoutes,route_name),
1667 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",src,e_route->src_gateway,dst,e_route->dst_gateway);
1669 route_extended_t new_e_route = generic_new_extended_route(SURF_ROUTING_RECURSIVE,e_route,0);
1670 xbt_dynar_free( &(e_route->generic_route.link_list) );
1673 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route, (void(*)(void*))generic_free_extended_route );
1674 xbt_free(route_name);
1677 /* ************************************************************************** */
1678 /* *********************** GENERIC BUSINESS METHODS ************************* */
1680 static route_extended_t generic_get_bypassroute(routing_component_t rc, const char* src, const char* dst) {
1681 model_type_t modeltype = rc->routing;
1682 xbt_dict_t dict_bypassRoutes;
1684 if(modeltype==&routing_models[SURF_MODEL_FULL]) {
1685 dict_bypassRoutes = ((routing_component_full_t)rc)->bypassRoutes;
1686 } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
1687 dict_bypassRoutes = ((routing_component_floyd_t)rc)->bypassRoutes;
1688 } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
1689 modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
1690 dict_bypassRoutes = ((routing_component_dijkstra_t)rc)->bypassRoutes;
1691 } else xbt_die("\"generic_set_bypassroute\" not support");
1694 routing_component_t src_as, dst_as;
1695 int index_src, index_dst;
1696 xbt_dynar_t path_src = NULL;
1697 xbt_dynar_t path_dst = NULL;
1698 routing_component_t current = NULL;
1699 routing_component_t* current_src = NULL;
1700 routing_component_t* current_dst = NULL;
1702 /* (1) find the as where the src and dst are located */
1703 src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src);
1704 dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst);
1705 xbt_assert2(src_as&&dst_as, "Ask for route \"from\"(%s) or \"to\"(%s) no found",src,dst);
1707 /* (2) find the path to the root routing component */
1708 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
1710 while( current != NULL ) {
1711 xbt_dynar_push(path_src,¤t);
1712 current = current->routing_father;
1714 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
1716 while( current != NULL ) {
1717 xbt_dynar_push(path_dst,¤t);
1718 current = current->routing_father;
1721 /* (3) find the common father */
1722 index_src = (path_src->used)-1;
1723 index_dst = (path_dst->used)-1;
1724 current_src = xbt_dynar_get_ptr(path_src,index_src);
1725 current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
1726 while( index_src >= 0 && index_dst >= 0 && *current_src == *current_dst ) {
1727 routing_component_t *tmp_src,*tmp_dst;
1728 tmp_src = xbt_dynar_pop_ptr(path_src);
1729 tmp_dst = xbt_dynar_pop_ptr(path_dst);
1732 current_src = xbt_dynar_get_ptr(path_src,index_src);
1733 current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
1736 int max_index_src = (path_src->used)-1;
1737 int max_index_dst = (path_dst->used)-1;
1739 int max_index = max(max_index_src,max_index_dst);
1742 route_extended_t e_route_bypass = NULL;
1744 for( max=0;max<=max_index;max++)
1748 if( i <= max_index_src && max <= max_index_dst ) {
1749 char* route_name = bprintf("%s#%s",
1750 (*(routing_component_t*)(xbt_dynar_get_ptr(path_src,i)))->name,
1751 (*(routing_component_t*)(xbt_dynar_get_ptr(path_dst,max)))->name);
1752 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes,route_name);
1753 xbt_free(route_name);
1755 if( e_route_bypass ) break;
1756 if( max <= max_index_src && i <= max_index_dst ) {
1757 char* route_name = bprintf("%s#%s",
1758 (*(routing_component_t*)(xbt_dynar_get_ptr(path_src,max)))->name,
1759 (*(routing_component_t*)(xbt_dynar_get_ptr(path_dst,i)))->name);
1760 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes,route_name);
1761 xbt_free(route_name);
1763 if( e_route_bypass ) break;
1766 if( e_route_bypass ) break;
1768 if( max <= max_index_src && max <= max_index_dst ) {
1769 char* route_name = bprintf("%s#%s",
1770 (*(routing_component_t*)(xbt_dynar_get_ptr(path_src,max)))->name,
1771 (*(routing_component_t*)(xbt_dynar_get_ptr(path_dst,max)))->name);
1772 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes,route_name);
1773 xbt_free(route_name);
1775 if( e_route_bypass ) break;
1778 xbt_dynar_free(&path_src);
1779 xbt_dynar_free(&path_dst);
1781 route_extended_t new_e_route = NULL;
1783 if(e_route_bypass) {
1786 new_e_route = xbt_new0(s_route_extended_t,1);
1787 new_e_route->src_gateway = e_route_bypass->src_gateway;
1788 new_e_route->dst_gateway = e_route_bypass->dst_gateway;
1789 new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
1790 xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
1791 xbt_dynar_push(new_e_route->generic_route.link_list,&link);
1798 /* ************************************************************************** */
1799 /* ************************* GENERIC AUX FUNCTIONS ************************** */
1801 static route_extended_t generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy, void* data, int order) {
1804 route_extended_t e_route, new_e_route;
1807 xbt_dynar_t links, links_id;
1809 new_e_route = xbt_new0(s_route_extended_t,1);
1810 new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
1811 new_e_route->src_gateway = NULL;
1812 new_e_route->dst_gateway = NULL;
1814 xbt_assert0(hierarchy == SURF_ROUTING_BASE || hierarchy == SURF_ROUTING_RECURSIVE,
1815 "the hierarchy type is not defined");
1817 if(hierarchy == SURF_ROUTING_BASE ) {
1819 route = (route_t)data;
1820 links = route->link_list;
1822 } else if(hierarchy == SURF_ROUTING_RECURSIVE ) {
1824 e_route = (route_extended_t)data;
1825 xbt_assert0(e_route->src_gateway&&e_route->dst_gateway,"bad gateway, is null");
1826 links = e_route->generic_route.link_list;
1828 /* remeber not erase the gateway names */
1829 new_e_route->src_gateway = e_route->src_gateway;
1830 new_e_route->dst_gateway = e_route->dst_gateway;
1833 links_id = new_e_route->generic_route.link_list;
1835 xbt_dynar_foreach(links, cpt, link_name) {
1837 void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
1841 xbt_dynar_push(links_id,&link);
1843 xbt_dynar_unshift(links_id,&link);
1846 THROW1(mismatch_error,0,"Link %s not found", link_name);
1852 static void generic_free_extended_route(route_extended_t e_route) {
1854 xbt_dynar_free(&(e_route->generic_route.link_list));
1855 if(e_route->src_gateway) xbt_free(e_route->src_gateway);
1856 if(e_route->dst_gateway) xbt_free(e_route->dst_gateway);
1861 static routing_component_t generic_as_exist(routing_component_t find_from, routing_component_t to_find) {
1862 xbt_dict_cursor_t cursor = NULL;
1865 routing_component_t elem;
1866 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
1867 if( to_find == elem || generic_as_exist(elem,to_find) ){
1872 if(found) return to_find;
1876 static routing_component_t generic_autonomous_system_exist(routing_component_t rc, char* element) {
1877 routing_component_t element_as, result, elem;
1878 xbt_dict_cursor_t cursor = NULL;
1880 element_as = xbt_dict_get_or_null(global_routing->where_network_elements,element);
1881 result = ((routing_component_t)-1);
1883 result = generic_as_exist(rc,element_as);
1887 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
1888 if( !strcmp(elem->name,element) ) return element_as;
1894 static routing_component_t generic_processing_units_exist(routing_component_t rc, char* element) {
1895 routing_component_t element_as;
1896 element_as = xbt_dict_get_or_null(global_routing->where_network_elements,element);
1897 if(element_as==rc) return element_as;
1898 return generic_as_exist(rc,element_as);
1901 static void generic_src_dst_check(routing_component_t rc, const char* src, const char* dst) {
1903 routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src);
1904 routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst);
1906 xbt_assert3(src_as != NULL && dst_as != NULL,
1907 "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",src,dst,rc->name);
1908 xbt_assert4(src_as == dst_as,
1909 "The src(%s in %s) and dst(%s in %s) are in differents AS",src,src_as->name,dst,dst_as->name);
1910 xbt_assert2(rc == dst_as,
1911 "The routing component of src and dst is not the same as the network elements belong (%s==%s)",rc->name,dst_as->name);
1914 ////////////////////////////////////////////////////////////////////////////////
1915 // HERE FINISH THE NEW CODE
1916 ////////////////////////////////////////////////////////////////////////////////
1918 //...... DEBUG ONLY .... //
1919 static void print_tree(routing_component_t rc) {
1920 printf("(%s %s)\n",rc->name,rc->routing->name);
1922 xbt_dict_cursor_t cursor = NULL;
1925 if( rc->routing == &(routing_models[SURF_MODEL_FULL]) )
1926 { xbt_dict_foreach(((routing_component_full_t)rc)->to_index, cursor, key, val) { printf("<%s-%d> ",key,*val); } }
1927 else if( rc->routing == &(routing_models[SURF_MODEL_FLOYD]) )
1928 { xbt_dict_foreach(((routing_component_floyd_t)rc)->to_index, cursor, key, val) { printf("<%s-%d> ",key,*val); }
1931 xbt_assert0(0, "Invalid model for call \"print_tree\"");
1933 routing_component_t elem;
1934 xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
1941 //...... DEBUG ONLY .... //
1942 static void print_global() {
1943 xbt_dict_cursor_t cursor = NULL;
1945 routing_component_t elem;
1946 xbt_dict_foreach(global_routing->where_network_elements, cursor, key, elem) { printf("<%s>\n",key); }
1949 //...... DEBUG ONLY .... //
1950 static void print_AS_start(void) { printf("AS!!! %s y se rutea \"%s\"\n",A_surfxml_AS_id,A_surfxml_AS_routing); }
1951 static void print_AS_end(void) { printf("AS!!! %s\n",A_surfxml_AS_id); }
1952 static void print_host(void) { printf("host!!! %s\n",A_surfxml_host_id); }
1953 static void print_link(void) { printf("link!!! %s\n",A_surfxml_link_id); }
1954 static void print_route(void) { printf("route!!! %s a %s\n",A_surfxml_route_src,A_surfxml_route_dst); }
1955 static void print_ctn(void) { printf("ctn!!! %s\n",A_surfxml_link_c_ctn_id); }
1957 //...... DEBUG ONLY .... //
1958 static void DEBUG_exit(void) {
1960 // printf("-------- print tree elements -----\n");
1961 // print_tree(global_routing->root);
1962 // printf("----------------------------------\n\n");
1964 // printf("-------- network_elements --------\n");
1966 // printf("----------------------------------\n\n");
1968 // const char* names[] = { "11.A","11.B","11.C","121.A","121.B","122.A","13.A","13.B"};
1969 // int i,j,total = 8;
1971 // printf("-- print all the example routes --\n");
1972 // const char* names[] = { "11.A","11.B","11.C"};
1973 // int i,j,total = 3;
1975 // const char* names[] = { "141.A","141.B","143.A","143.B"};
1976 // int i,j,total = 4;
1978 // const char* names[] = { "15.A","15.B","15.C" };
1979 // int i,j,total = 3;
1981 // const char* names[] = { "142.A","142.B","142.C", "11.A","11.B","11.C","141.A","141.B","143.A","143.B","11.A","11.B","11.C","121.A","121.B","122.A","13.A","13.B"};
1982 // int i,j,total = 3+4+8+3;
1984 // const char* names[] = { "142.A","142.B","142.C" };
1985 // int i,j,total = 3;
1987 const char* names[] = { "11.A","11.B","11.C",
1992 "142.A","142.B","142.C",
1994 "15.A","15.B","15.C"};
1995 unsigned int i,j,total = 3+2+1+2+2+3+2+3;
1997 // const char* names[] = { "141.A","143.A" };
1998 // int i,j,total = 2;
2000 printf("-- print all the example routes --\n");
2003 for(i=0;i<total;i++) {
2004 for(j=0;j<total;j++) {
2005 printf("route from %s to %s >>>\n ",names[i],names[j]);
2006 links = (*(global_routing->get_route))(names[i],names[j]);
2009 xbt_dynar_foreach(links, cpt, link) {
2010 s_surf_resource_t* generic_resource = link;
2011 printf(" %s",generic_resource->name);
2016 printf("----------------------------------\n\n");
2018 printf("---------- call finalize ---------\n");
2019 (*(global_routing->finalize))();
2020 printf("----------------------------------\n");
2025 ////////////////////////////////////////////////////////////////////////////////
2026 // HERE END THE NEW CODE
2027 ////////////////////////////////////////////////////////////////////////////////
2030 // /* ************************************************************************** */
2031 // /* *************************** FULL ROUTING ********************************* */
2033 // s_routing_t generic_routing;
2034 // xbt_dynar_t *routing_table;
2036 // size_t size_of_link;
2037 // } s_routing_full_t,*routing_full_t;
2039 // #define ROUTE_FULL(i,j) ((routing_full_t)used_routing)->routing_table[(i)+(j)*(used_routing)->host_count]
2040 // #define HOST2ROUTER(id) ((id)+(2<<29))
2041 // #define ROUTER2HOST(id) ((id)-(2>>29))
2042 // #define ISROUTER(id) ((id)>=(2<<29))
2045 // * Free the onelink routes
2047 // static void onelink_route_elem_free(void *e) {
2048 // s_onelink_t tmp = (s_onelink_t)e;
2057 // static void routing_full_parse_Shost(void) {
2058 // int *val = xbt_malloc(sizeof(int));
2059 // DEBUG2("Seen host %s (#%d)",A_surfxml_host_id,used_routing->host_count);
2060 // *val = used_routing->host_count++;
2061 // xbt_dict_set(used_routing->host_id,A_surfxml_host_id,val,xbt_free);
2062 // #ifdef HAVE_TRACING
2063 // TRACE_surf_host_define_id (A_surfxml_host_id, *val);
2067 // static void routing_full_parse_Srouter(void) {
2068 // int *val = xbt_malloc(sizeof(int));
2069 // DEBUG3("Seen router %s (%d -> #%d)",A_surfxml_router_id,used_routing->router_count,
2070 // HOST2ROUTER(used_routing->router_count));
2071 // *val = HOST2ROUTER(used_routing->router_count++);
2072 // xbt_dict_set(used_routing->host_id,A_surfxml_router_id,val,xbt_free);
2073 // #ifdef HAVE_TRACING
2074 // TRACE_surf_host_define_id (A_surfxml_host_id, *val);
2075 // TRACE_surf_host_declaration (A_surfxml_host_id, 0);
2079 // static int src_id = -1;
2080 // static int dst_id = -1;
2081 // static void routing_full_parse_Sroute_set_endpoints(void)
2083 // src_id = *(int*)xbt_dict_get(used_routing->host_id,A_surfxml_route_src);
2084 // dst_id = *(int*)xbt_dict_get(used_routing->host_id,A_surfxml_route_dst);
2085 // DEBUG4("Route %s %d -> %s %d",A_surfxml_route_src,src_id,A_surfxml_route_dst,dst_id);
2086 // route_action = A_surfxml_route_action;
2089 // static void routing_full_parse_Eroute(void)
2092 // if (src_id != -1 && dst_id != -1) {
2093 // name = bprintf("%x#%x", src_id, dst_id);
2094 // manage_route(route_table, name, route_action, 0);
2099 // /* Cluster tag functions */
2101 // static void routing_full_parse_change_cpu_data(const char *hostName,
2102 // const char *surfxml_host_power,
2103 // const char *surfxml_host_availability,
2104 // const char *surfxml_host_availability_file,
2105 // const char *surfxml_host_state_file)
2109 // SURFXML_BUFFER_SET(host_id, hostName);
2110 // SURFXML_BUFFER_SET(host_power, surfxml_host_power /*hostPower */ );
2111 // SURFXML_BUFFER_SET(host_availability, surfxml_host_availability);
2112 // SURFXML_BUFFER_SET(host_availability_file, surfxml_host_availability_file);
2113 // SURFXML_BUFFER_SET(host_state_file, surfxml_host_state_file);
2116 // static void routing_full_parse_change_link_data(const char *linkName,
2117 // const char *surfxml_link_bandwidth,
2118 // const char *surfxml_link_bandwidth_file,
2119 // const char *surfxml_link_latency,
2120 // const char *surfxml_link_latency_file,
2121 // const char *surfxml_link_state_file)
2125 // SURFXML_BUFFER_SET(link_id, linkName);
2126 // SURFXML_BUFFER_SET(link_bandwidth, surfxml_link_bandwidth);
2127 // SURFXML_BUFFER_SET(link_bandwidth_file, surfxml_link_bandwidth_file);
2128 // SURFXML_BUFFER_SET(link_latency, surfxml_link_latency);
2129 // SURFXML_BUFFER_SET(link_latency_file, surfxml_link_latency_file);
2130 // SURFXML_BUFFER_SET(link_state_file, surfxml_link_state_file);
2133 // static void routing_full_parse_Scluster(void)
2135 // static int AX_ptr = 0;
2137 // char *cluster_id = A_surfxml_cluster_id;
2138 // char *cluster_prefix = A_surfxml_cluster_prefix;
2139 // char *cluster_suffix = A_surfxml_cluster_suffix;
2140 // char *cluster_radical = A_surfxml_cluster_radical;
2141 // char *cluster_power = A_surfxml_cluster_power;
2142 // char *cluster_bw = A_surfxml_cluster_bw;
2143 // char *cluster_lat = A_surfxml_cluster_lat;
2144 // char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
2145 // char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
2146 // char *backbone_name;
2147 // unsigned int it1,it2;
2148 // char *name1,*name2;
2149 // xbt_dynar_t names = NULL;
2150 // surfxml_bufferstack_push(1);
2152 // /* Make set a set to parse the prefix/suffix/radical into a neat list of names */
2153 // DEBUG4("Make <set id='%s' prefix='%s' suffix='%s' radical='%s'>",
2154 // cluster_id,cluster_prefix,cluster_suffix,cluster_radical);
2155 // SURFXML_BUFFER_SET(set_id, cluster_id);
2156 // SURFXML_BUFFER_SET(set_prefix, cluster_prefix);
2157 // SURFXML_BUFFER_SET(set_suffix, cluster_suffix);
2158 // SURFXML_BUFFER_SET(set_radical, cluster_radical);
2160 // SURFXML_START_TAG(set);
2161 // SURFXML_END_TAG(set);
2163 // names = xbt_dict_get(set_list,cluster_id);
2165 // xbt_dynar_foreach(names,it1,name1) {
2166 // /* create the host */
2167 // routing_full_parse_change_cpu_data(name1, cluster_power, "1.0", "", "");
2168 // A_surfxml_host_state = A_surfxml_host_state_ON;
2170 // SURFXML_START_TAG(host);
2171 // SURFXML_END_TAG(host);
2173 // /* Here comes the link */
2174 // routing_full_parse_change_link_data(name1, cluster_bw, "", cluster_lat, "", "");
2175 // A_surfxml_link_state = A_surfxml_link_state_ON;
2176 // A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2178 // SURFXML_START_TAG(link);
2179 // SURFXML_END_TAG(link);
2182 // /* Make backbone link */
2183 // backbone_name = bprintf("%s_bb", cluster_id);
2184 // routing_full_parse_change_link_data(backbone_name, cluster_bb_bw, "", cluster_bb_lat, "",
2186 // A_surfxml_link_state = A_surfxml_link_state_ON;
2187 // A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;
2189 // SURFXML_START_TAG(link);
2190 // SURFXML_END_TAG(link);
2192 // /* And now the internal routes */
2193 // xbt_dynar_foreach(names,it1,name1) {
2194 // xbt_dynar_foreach(names,it2,name2) {
2195 // if (strcmp(name1,name2)) {
2196 // A_surfxml_route_action = A_surfxml_route_action_POSTPEND;
2197 // SURFXML_BUFFER_SET(route_src,name1);
2198 // SURFXML_BUFFER_SET(route_dst,name2);
2199 // SURFXML_START_TAG(route); {
2200 // /* FIXME: name1 link is added by error about 20 lines below, so don't add it here
2201 // SURFXML_BUFFER_SET(link_c_ctn_id, name1);
2202 // SURFXML_START_TAG(link_c_ctn);
2203 // SURFXML_END_TAG(link_c_ctn);
2205 // SURFXML_BUFFER_SET(link_c_ctn_id, backbone_name);
2206 // SURFXML_START_TAG(link_c_ctn);
2207 // SURFXML_END_TAG(link_c_ctn);
2209 // SURFXML_BUFFER_SET(link_c_ctn_id, name2);
2210 // SURFXML_START_TAG(link_c_ctn);
2211 // SURFXML_END_TAG(link_c_ctn);
2213 // } SURFXML_END_TAG(route);
2218 // /* Make route multi with the outside world, i.e. cluster->$* */
2221 // * This also adds an elements to the routes within the cluster,
2222 // * and I guess it's wrong, but since this element is commented out in the above
2223 // * code creating the internal routes, we're good.
2224 // * To fix it, I'd say that we need a way to understand "$*-${cluster_id}" as "whole world, but the guys in that cluster"
2225 // * But for that, we need to install a real expression parser for src/dst attributes
2228 // * This also adds a dumb element (the private link) in place of the loopback. Then, since
2229 // * the loopback is added only if no link to self already exist, this fails.
2230 // * That's really dumb.
2233 // * It seems to me that it does not add the backbone to the path to outside world...
2235 // SURFXML_BUFFER_SET(route_c_multi_src, cluster_id);
2236 // SURFXML_BUFFER_SET(route_c_multi_dst, "$*");
2237 // A_surfxml_route_c_multi_symmetric = A_surfxml_route_c_multi_symmetric_NO;
2238 // A_surfxml_route_c_multi_action = A_surfxml_route_c_multi_action_PREPEND;
2240 // SURFXML_START_TAG(route_c_multi);
2242 // SURFXML_BUFFER_SET(link_c_ctn_id, "$src");
2244 // SURFXML_START_TAG(link_c_ctn);
2245 // SURFXML_END_TAG(link_c_ctn);
2247 // SURFXML_END_TAG(route_c_multi);
2249 // free(backbone_name);
2251 // /* Restore buff */
2252 // surfxml_bufferstack_pop(1);
2256 // static void routing_full_parse_end(void) {
2257 // routing_full_t routing = (routing_full_t) used_routing;
2259 // unsigned int cpt = 0;
2260 // xbt_dict_cursor_t cursor = NULL;
2261 // char *key, *data, *end;
2262 // const char *sep = "#";
2263 // xbt_dynar_t links, keys;
2264 // char *link_name = NULL;
2267 // int host_count = routing->generic_routing.host_count;
2269 // /* Create the routing table */
2270 // routing->routing_table = xbt_new0(xbt_dynar_t, host_count * host_count);
2271 // for (i=0;i<host_count;i++)
2272 // for (j=0;j<host_count;j++)
2273 // ROUTE_FULL(i,j) = xbt_dynar_new(routing->size_of_link,NULL);
2275 // /* Put the routes in position */
2276 // xbt_dict_foreach(route_table, cursor, key, data) {
2278 // links = (xbt_dynar_t) data;
2279 // keys = xbt_str_split_str(key, sep);
2281 // src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
2282 // dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
2283 // xbt_dynar_free(&keys);
2285 // if(xbt_dynar_length(links) == 1){
2286 // s_onelink_t new_link = (s_onelink_t) xbt_malloc0(sizeof(s_onelink));
2287 // new_link->src_id = src_id;
2288 // new_link->dst_id = dst_id;
2289 // link_name = xbt_dynar_getfirst_as(links, char*);
2290 // new_link->link_ptr = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
2291 // DEBUG3("Adding onelink route from (#%d) to (#%d), link_name %s",src_id, dst_id, link_name);
2292 // xbt_dict_set(onelink_routes, link_name, (void *)new_link, onelink_route_elem_free);
2293 // #ifdef HAVE_TRACING
2294 // TRACE_surf_link_save_endpoints (link_name, src_id, dst_id);
2298 // if(ISROUTER(src_id) || ISROUTER(dst_id)) {
2299 // DEBUG2("There is route with a router here: (%d ,%d)",src_id,dst_id);
2300 // /* Check there is only one link in the route and store the information */
2304 // DEBUG4("Handle %d %d (from %d hosts): %ld links",
2305 // src_id,dst_id,routing->generic_routing.host_count,xbt_dynar_length(links));
2306 // xbt_dynar_foreach(links, cpt, link_name) {
2307 // void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
2309 // xbt_dynar_push(ROUTE_FULL(src_id,dst_id),&link);
2311 // THROW1(mismatch_error,0,"Link %s not found", link_name);
2315 // /* Add the loopback if needed */
2316 // for (i = 0; i < host_count; i++)
2317 // if (!xbt_dynar_length(ROUTE_FULL(i, i)))
2318 // xbt_dynar_push(ROUTE_FULL(i,i),&routing->loopback);
2320 // /* Shrink the dynar routes (save unused slots) */
2321 // for (i=0;i<host_count;i++)
2322 // for (j=0;j<host_count;j++)
2323 // xbt_dynar_shrink(ROUTE_FULL(i,j),0);
2327 // * Business methods
2329 // static xbt_dynar_t routing_full_get_route(int src,int dst) {
2330 // xbt_assert0(!(ISROUTER(src) || ISROUTER(dst)), "Ask for route \"from\" or \"to\" a router node");
2331 // return ROUTE_FULL(src,dst);
2334 // static xbt_dict_t routing_full_get_onelink_routes(void){
2335 // return onelink_routes;
2338 // static int routing_full_is_router(int id){
2339 // return ISROUTER(id);
2342 // static void routing_full_finalize(void) {
2343 // routing_full_t routing = (routing_full_t)used_routing;
2347 // for (i = 0; i < used_routing->host_count; i++)
2348 // for (j = 0; j < used_routing->host_count; j++)
2349 // xbt_dynar_free(&ROUTE_FULL(i, j));
2350 // free(routing->routing_table);
2351 // xbt_dict_free(&used_routing->host_id);
2352 // xbt_dict_free(&onelink_routes);
2358 // static void routing_model_full_create(size_t size_of_link,void *loopback) {
2359 // /* initialize our structure */
2360 // routing_full_t routing = xbt_new0(s_routing_full_t,1);
2361 // routing->generic_routing.name = "Full";
2362 // routing->generic_routing.host_count = 0;
2363 // routing->generic_routing.get_route = routing_full_get_route;
2364 // routing->generic_routing.get_onelink_routes = routing_full_get_onelink_routes;
2365 // routing->generic_routing.is_router = routing_full_is_router;
2366 // routing->generic_routing.finalize = routing_full_finalize;
2368 // routing->size_of_link = size_of_link;
2369 // routing->loopback = loopback;
2371 // /* Set it in position */
2372 // used_routing = (routing_t) routing;
2374 // /* Set the dict for onehop routes */
2375 // onelink_routes = xbt_dict_new();
2377 // routing->generic_routing.host_id = xbt_dict_new();
2379 // /* Setup the parsing callbacks we need */
2380 // // surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost);
2381 // // surfxml_add_callback(STag_surfxml_router_cb_list, &routing_full_parse_Srouter);
2382 // // surfxml_add_callback(ETag_surfxml_platform_cb_list, &routing_full_parse_end);
2383 // // surfxml_add_callback(STag_surfxml_route_cb_list, &routing_full_parse_Sroute_set_endpoints);
2384 // // surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_full_parse_Eroute);
2385 // // surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_full_parse_Scluster);
2387 // // surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost);
2388 // // surfxml_add_callback(STag_surfxml_router_cb_list, &routing_full_parse_Srouter);
2392 /* ************************************************************************** */
2394 // static void routing_shortest_path_parse_Scluster(void)
2396 // static int AX_ptr = 0;
2398 // char *cluster_id = A_surfxml_cluster_id;
2399 // char *cluster_prefix = A_surfxml_cluster_prefix;
2400 // char *cluster_suffix = A_surfxml_cluster_suffix;
2401 // char *cluster_radical = A_surfxml_cluster_radical;
2402 // char *cluster_power = A_surfxml_cluster_power;
2403 // char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
2404 // char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
2405 // char *backbone_name;
2407 // surfxml_bufferstack_push(1);
2410 // SURFXML_BUFFER_SET(set_id, cluster_id);
2411 // SURFXML_BUFFER_SET(set_prefix, cluster_prefix);
2412 // SURFXML_BUFFER_SET(set_suffix, cluster_suffix);
2413 // SURFXML_BUFFER_SET(set_radical, cluster_radical);
2415 // SURFXML_START_TAG(set);
2416 // SURFXML_END_TAG(set);
2418 // /* Make foreach */
2419 // SURFXML_BUFFER_SET(foreach_set_id, cluster_id);
2421 // SURFXML_START_TAG(foreach);
2423 // /* Make host for the foreach */
2424 // routing_full_parse_change_cpu_data("$1", cluster_power, "1.0", "", "");
2425 // A_surfxml_host_state = A_surfxml_host_state_ON;
2427 // SURFXML_START_TAG(host);
2428 // SURFXML_END_TAG(host);
2430 // SURFXML_END_TAG(foreach);
2432 // /* Make backbone link */
2433 // backbone_name = bprintf("%s_bb", cluster_id);
2434 // routing_full_parse_change_link_data(backbone_name, cluster_bb_bw, "", cluster_bb_lat, "",
2436 // A_surfxml_link_state = A_surfxml_link_state_ON;
2437 // A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;
2439 // SURFXML_START_TAG(link);
2440 // SURFXML_END_TAG(link);
2442 // free(backbone_name);
2444 // /* Restore buff */
2445 // surfxml_bufferstack_pop(1);
2448 // /* ************************************************************************** */
2449 // /* *************************** FLOYD ROUTING ********************************* */
2451 // s_routing_t generic_routing;
2452 // int *predecessor_table;
2453 // void** link_table;
2454 // xbt_dynar_t last_route;
2456 // size_t size_of_link;
2457 // } s_routing_floyd_t,*routing_floyd_t;
2459 // #define FLOYD_COST(i,j) cost_table[(i)+(j)*(used_routing)->host_count]
2460 // #define FLOYD_PRED(i,j) ((routing_floyd_t)used_routing)->predecessor_table[(i)+(j)*(used_routing)->host_count]
2461 // #define FLOYD_LINK(i,j) ((routing_floyd_t)used_routing)->link_table[(i)+(j)*(used_routing)->host_count]
2463 // static void routing_floyd_parse_end(void) {
2465 // routing_floyd_t routing = (routing_floyd_t) used_routing;
2467 // void* link_list = NULL;
2468 // double * cost_table;
2469 // xbt_dict_cursor_t cursor = NULL;
2470 // char *key,*data, *end;
2471 // const char *sep = "#";
2472 // xbt_dynar_t links, keys;
2474 // unsigned int i,j;
2475 // unsigned int a,b,c;
2476 // int host_count = routing->generic_routing.host_count;
2477 // char * link_name = NULL;
2478 // void * link = NULL;
2480 // /* Create Cost, Predecessor and Link tables */
2481 // cost_table = xbt_new0(double, host_count * host_count); //link cost from host to host
2482 // routing->predecessor_table = xbt_new0(int, host_count*host_count); //predecessor host numbers
2483 // routing->link_table = xbt_new0(void*,host_count*host_count); //actual link between src and dst
2484 // routing->last_route = xbt_dynar_new(routing->size_of_link, NULL);
2486 // /* Initialize costs and predecessors*/
2487 // for(i = 0; i<host_count;i++)
2488 // for(j = 0; j<host_count;j++) {
2489 // FLOYD_COST(i,j) = DBL_MAX;
2490 // FLOYD_PRED(i,j) = -1;
2493 // /* Put the routes in position */
2494 // xbt_dict_foreach(route_table, cursor, key, data) {
2496 // links = (xbt_dynar_t)data;
2497 // keys = xbt_str_split_str(key, sep);
2500 // src_id = strtol(xbt_dynar_get_as(keys, 0, char*), &end, 16);
2501 // dst_id = strtol(xbt_dynar_get_as(keys, 1, char*), &end, 16);
2502 // xbt_dynar_free(&keys);
2504 // DEBUG4("Handle %d %d (from %d hosts): %ld links",
2505 // src_id,dst_id,routing->generic_routing.host_count,xbt_dynar_length(links));
2506 // xbt_assert3(xbt_dynar_length(links) == 1, "%ld links in route between host %d and %d, should be 1", xbt_dynar_length(links), src_id, dst_id);
2508 // link_name = xbt_dynar_getfirst_as(links, char*);
2509 // link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
2512 // link_list = link;
2514 // THROW1(mismatch_error,0,"Link %s not found", link_name);
2517 // FLOYD_LINK(src_id,dst_id) = link_list;
2518 // FLOYD_PRED(src_id, dst_id) = src_id;
2521 // FLOYD_COST(src_id, dst_id) = 1; // assume 1 for now
2525 // /* Add the loopback if needed */
2526 // for (i = 0; i < host_count; i++)
2527 // if (!FLOYD_PRED(i, i)) {
2528 // FLOYD_PRED(i, i) = i;
2529 // FLOYD_COST(i, i) = 1;
2530 // FLOYD_LINK(i, i) = routing->loopback;
2534 // //Calculate path costs
2536 // for(c=0;c<host_count;c++) {
2537 // for(a=0;a<host_count;a++) {
2538 // for(b=0;b<host_count;b++) {
2539 // if(FLOYD_COST(a,c) < DBL_MAX && FLOYD_COST(c,b) < DBL_MAX) {
2540 // if(FLOYD_COST(a,b) == DBL_MAX || (FLOYD_COST(a,c)+FLOYD_COST(c,b) < FLOYD_COST(a,b))) {
2541 // FLOYD_COST(a,b) = FLOYD_COST(a,c)+FLOYD_COST(c,b);
2542 // FLOYD_PRED(a,b) = FLOYD_PRED(c,b);
2550 // free(cost_table);
2554 // * Business methods
2556 // static xbt_dynar_t routing_floyd_get_route(int src_id,int dst_id) {
2558 // routing_floyd_t routing = (routing_floyd_t) used_routing;
2560 // int pred = dst_id;
2561 // int prev_pred = 0;
2563 // xbt_dynar_reset(routing->last_route);
2566 // prev_pred = pred;
2567 // pred = FLOYD_PRED(src_id, pred);
2569 // if(pred == -1) // if no pred in route -> no route to host
2572 // xbt_dynar_unshift(routing->last_route, &FLOYD_LINK(pred,prev_pred));
2574 // } while(pred != src_id);
2576 // xbt_assert2(pred != -1, "no route from host %d to %d", src_id, dst_id);
2578 // return routing->last_route;
2581 // static void routing_floyd_finalize(void) {
2582 // routing_floyd_t routing = (routing_floyd_t)used_routing;
2585 // free(routing->link_table);
2586 // free(routing->predecessor_table);
2587 // xbt_dynar_free(&routing->last_route);
2588 // xbt_dict_free(&used_routing->host_id);
2594 // static xbt_dict_t routing_floyd_get_onelink_routes(void){
2595 // xbt_assert0(0,"The get_onelink_routes feature is not supported in routing model Floyd");
2598 // static int routing_floyd_is_router(int id){
2599 // xbt_assert0(0,"The get_is_router feature is not supported in routing model Floyd");
2602 // static void routing_model_floyd_create(size_t size_of_link,void *loopback) {
2603 // /* initialize our structure */
2604 // routing_floyd_t routing = xbt_new0(s_routing_floyd_t,1);
2605 // routing->generic_routing.name = "Floyd";
2606 // routing->generic_routing.host_count = 0;
2607 // routing->generic_routing.host_id = xbt_dict_new();
2608 // routing->generic_routing.get_route = routing_floyd_get_route;
2609 // routing->generic_routing.get_onelink_routes = routing_floyd_get_onelink_routes;
2610 // routing->generic_routing.is_router = routing_floyd_is_router;
2611 // routing->generic_routing.finalize = routing_floyd_finalize;
2612 // routing->size_of_link = size_of_link;
2613 // routing->loopback = loopback;
2615 // /* Set it in position */
2616 // used_routing = (routing_t) routing;
2618 // /* Setup the parsing callbacks we need */
2619 // surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost);
2620 // surfxml_add_callback(ETag_surfxml_platform_cb_list, &routing_floyd_parse_end);
2621 // surfxml_add_callback(STag_surfxml_route_cb_list,
2622 // &routing_full_parse_Sroute_set_endpoints);
2623 // surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_full_parse_Eroute);
2624 // surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_shortest_path_parse_Scluster);
2628 // /* ************************************************************************** */
2629 // /* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
2631 // s_routing_t generic_routing;
2632 // xbt_graph_t route_graph;
2633 // xbt_dict_t graph_node_map;
2634 // xbt_dict_t route_cache;
2635 // xbt_dynar_t last_route;
2638 // size_t size_of_link;
2639 // } s_routing_dijkstra_t,*routing_dijkstra_t;
2642 // typedef struct graph_node_data {
2644 // int graph_id; //used for caching internal graph id's
2645 // } s_graph_node_data_t, * graph_node_data_t;
2647 // typedef struct graph_node_map_element {
2649 // } s_graph_node_map_element_t, * graph_node_map_element_t;
2651 // typedef struct route_cache_element {
2654 // } s_route_cache_element_t, * route_cache_element_t;
2659 // static void route_cache_elem_free(void *e) {
2660 // route_cache_element_t elm=(route_cache_element_t)e;
2663 // free(elm->pred_arr);
2668 // static void graph_node_map_elem_free(void *e) {
2669 // graph_node_map_element_t elm = (graph_node_map_element_t)e;
2677 // * Utility functions
2679 // static xbt_node_t route_graph_new_node(int id, int graph_id) {
2680 // xbt_node_t node = NULL;
2681 // graph_node_data_t data = NULL;
2682 // graph_node_map_element_t elm = NULL;
2683 // routing_dijkstra_t routing = (routing_dijkstra_t) used_routing;
2685 // data = xbt_new0(struct graph_node_data, sizeof(struct graph_node_data));
2687 // data->graph_id = graph_id;
2688 // node = xbt_graph_new_node(routing->route_graph, data);
2690 // elm = xbt_new0(struct graph_node_map_element, sizeof(struct graph_node_map_element));
2691 // elm->node = node;
2692 // xbt_dict_set_ext(routing->graph_node_map, (char*)(&id), sizeof(int), (xbt_set_elm_t)elm, &graph_node_map_elem_free);
2697 // static graph_node_map_element_t graph_node_map_search(int id) {
2698 // routing_dijkstra_t routing = (routing_dijkstra_t) used_routing;
2700 // graph_node_map_element_t elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&id), sizeof(int));
2708 // static void route_new_dijkstra(int src_id, int dst_id, void* link) {
2709 // routing_dijkstra_t routing = (routing_dijkstra_t) used_routing;
2711 // xbt_node_t src = NULL;
2712 // xbt_node_t dst = NULL;
2713 // graph_node_map_element_t src_elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&src_id), sizeof(int));
2714 // graph_node_map_element_t dst_elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&dst_id), sizeof(int));
2717 // src = src_elm->node;
2720 // dst = dst_elm->node;
2722 // //add nodes if they don't exist in the graph
2723 // if(src_id == dst_id && src == NULL && dst == NULL) {
2724 // src = route_graph_new_node(src_id, -1);
2727 // if(src == NULL) {
2728 // src = route_graph_new_node(src_id, -1);
2731 // if(dst == NULL) {
2732 // dst = route_graph_new_node(dst_id, -1);
2736 // //add link as edge to graph
2737 // xbt_graph_new_edge(routing->route_graph, src, dst, link);
2741 // static void add_loopback_dijkstra(void) {
2742 // routing_dijkstra_t routing = (routing_dijkstra_t) used_routing;
2744 // xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
2746 // xbt_node_t node = NULL;
2747 // unsigned int cursor2;
2748 // xbt_dynar_foreach(nodes, cursor2, node) {
2749 // xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node);
2750 // xbt_edge_t edge = NULL;
2751 // unsigned int cursor;
2754 // xbt_dynar_foreach(out_edges, cursor, edge) {
2755 // xbt_node_t other_node = xbt_graph_edge_get_target(edge);
2756 // if(other_node == node) {
2763 // xbt_graph_new_edge(routing->route_graph, node, node, &routing->loopback);
2767 // static void routing_dijkstra_parse_end(void) {
2768 // routing_dijkstra_t routing = (routing_dijkstra_t) used_routing;
2770 // xbt_dict_cursor_t cursor = NULL;
2771 // char *key, *data, *end;
2772 // const char *sep = "#";
2773 // xbt_dynar_t links, keys;
2774 // char* link_name = NULL;
2775 // void* link = NULL;
2776 // xbt_node_t node = NULL;
2777 // unsigned int cursor2;
2778 // xbt_dynar_t nodes = NULL;
2779 // /* Create the topology graph */
2780 // routing->route_graph = xbt_graph_new_graph(1, NULL);
2781 // routing->graph_node_map = xbt_dict_new();
2782 // routing->last_route = xbt_dynar_new(routing->size_of_link, NULL);
2783 // if(routing->cached)
2784 // routing->route_cache = xbt_dict_new();
2787 // /* Put the routes in position */
2788 // xbt_dict_foreach(route_table, cursor, key, data) {
2790 // links = (xbt_dynar_t) data;
2791 // keys = xbt_str_split_str(key, sep);
2793 // src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
2794 // dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
2795 // xbt_dynar_free(&keys);
2797 // DEBUG4("Handle %d %d (from %d hosts): %ld links",
2798 // src_id,dst_id,routing->generic_routing.host_count,xbt_dynar_length(links));
2800 // xbt_assert3(xbt_dynar_length(links) == 1, "%ld links in route between host %d and %d, should be 1", xbt_dynar_length(links), src_id, dst_id);
2802 // link_name = xbt_dynar_getfirst_as(links, char*);
2803 // link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
2805 // route_new_dijkstra(src_id,dst_id,link);
2807 // THROW1(mismatch_error,0,"Link %s not found", link_name);
2811 // /* Add the loopback if needed */
2812 // add_loopback_dijkstra();
2814 // /* initialize graph indexes in nodes after graph has been built */
2815 // nodes = xbt_graph_get_nodes(routing->route_graph);
2817 // xbt_dynar_foreach(nodes, cursor2, node) {
2818 // graph_node_data_t data = xbt_graph_node_get_data(node);
2819 // data->graph_id = cursor2;
2825 // * Business methods
2827 // static xbt_dynar_t routing_dijkstra_get_route(int src_id,int dst_id) {
2829 // routing_dijkstra_t routing = (routing_dijkstra_t) used_routing;
2830 // int * pred_arr = NULL;
2831 // int src_node_id = 0;
2832 // int dst_node_id = 0;
2833 // int * nodeid = NULL;
2836 // void * link = NULL;
2837 // route_cache_element_t elm = NULL;
2838 // xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
2840 // /*Use the graph_node id mapping set to quickly find the nodes */
2841 // graph_node_map_element_t src_elm = graph_node_map_search(src_id);
2842 // graph_node_map_element_t dst_elm = graph_node_map_search(dst_id);
2843 // xbt_assert2(src_elm != NULL && dst_elm != NULL, "src %d or dst %d does not exist", src_id, dst_id);
2844 // src_node_id = ((graph_node_data_t)xbt_graph_node_get_data(src_elm->node))->graph_id;
2845 // dst_node_id = ((graph_node_data_t)xbt_graph_node_get_data(dst_elm->node))->graph_id;
2847 // if(routing->cached) {
2848 // /*check if there is a cached predecessor list avail */
2849 // elm = (route_cache_element_t)xbt_dict_get_or_null_ext(routing->route_cache, (char*)(&src_id), sizeof(int));
2852 // if(elm) { //cached mode and cache hit
2853 // pred_arr = elm->pred_arr;
2854 // } else { //not cached mode or cache miss
2855 // double * cost_arr = NULL;
2856 // xbt_heap_t pqueue = NULL;
2859 // int nr_nodes = xbt_dynar_length(nodes);
2860 // cost_arr = xbt_new0(double, nr_nodes); //link cost from src to other hosts
2861 // pred_arr = xbt_new0(int, nr_nodes); //predecessors in path from src
2862 // pqueue = xbt_heap_new(nr_nodes, free);
2865 // cost_arr[src_node_id] = 0.0;
2867 // for(i = 0; i < nr_nodes; i++) {
2868 // if(i != src_node_id) {
2869 // cost_arr[i] = DBL_MAX;
2874 // //initialize priority queue
2875 // nodeid = xbt_new0(int, 1);
2877 // xbt_heap_push(pqueue, nodeid, cost_arr[i]);
2881 // // apply dijkstra using the indexes from the graph's node array
2882 // while(xbt_heap_size(pqueue) > 0) {
2883 // int * v_id = xbt_heap_pop(pqueue);
2884 // xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t);
2885 // xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node);
2886 // xbt_edge_t edge = NULL;
2887 // unsigned int cursor;
2889 // xbt_dynar_foreach(out_edges, cursor, edge) {
2890 // xbt_node_t u_node = xbt_graph_edge_get_target(edge);
2891 // graph_node_data_t data = xbt_graph_node_get_data(u_node);
2892 // int u_id = data->graph_id;
2893 // int cost_v_u = 1; //fixed link cost for now
2895 // if(cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
2896 // pred_arr[u_id] = *v_id;
2897 // cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
2898 // nodeid = xbt_new0(int, 1);
2900 // xbt_heap_push(pqueue, nodeid, cost_arr[u_id]);
2904 // //free item popped from pqueue
2909 // xbt_heap_free(pqueue);
2913 // //compose route path with links
2914 // xbt_dynar_reset(routing->last_route);
2916 // for(v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
2917 // xbt_node_t node_pred_v = xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
2918 // xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t);
2919 // xbt_edge_t edge = xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
2921 // xbt_assert2(edge != NULL, "no route between host %d and %d", src_id, dst_id);
2923 // link = xbt_graph_edge_get_data(edge);
2924 // xbt_dynar_unshift(routing->last_route, &link);
2929 // if(routing->cached && elm == NULL) {
2930 // //add to predecessor list of the current src-host to cache
2931 // elm = xbt_new0(struct route_cache_element, sizeof(struct route_cache_element));
2932 // elm->pred_arr = pred_arr;
2933 // elm->size = size;
2934 // xbt_dict_set_ext(routing->route_cache, (char*)(&src_id), sizeof(int), (xbt_set_elm_t)elm, &route_cache_elem_free);
2937 // if(!routing->cached)
2940 // return routing->last_route;
2944 // static void routing_dijkstra_finalize(void) {
2945 // routing_dijkstra_t routing = (routing_dijkstra_t)used_routing;
2948 // xbt_graph_free_graph(routing->route_graph, &free, NULL, &free);
2949 // xbt_dict_free(&routing->graph_node_map);
2950 // if(routing->cached)
2951 // xbt_dict_free(&routing->route_cache);
2952 // xbt_dynar_free(&routing->last_route);
2953 // xbt_dict_free(&used_routing->host_id);
2959 // static xbt_dict_t routing_dijkstraboth_get_onelink_routes(void){
2960 // xbt_assert0(0,"The get_onelink_routes feature is not supported in routing model dijkstraboth");
2963 // static int routing_dijkstraboth_is_router(int id){
2964 // xbt_assert0(0,"The get_is_router feature is not supported in routing model dijkstraboth");
2970 // static void routing_model_dijkstraboth_create(size_t size_of_link,void *loopback, int cached) {
2971 // /* initialize our structure */
2972 // routing_dijkstra_t routing = xbt_new0(s_routing_dijkstra_t,1);
2973 // routing->generic_routing.name = "Dijkstra";
2974 // routing->generic_routing.host_count = 0;
2975 // routing->generic_routing.get_route = routing_dijkstra_get_route;
2976 // routing->generic_routing.get_onelink_routes = routing_dijkstraboth_get_onelink_routes;
2977 // routing->generic_routing.is_router = routing_dijkstraboth_is_router;
2978 // routing->generic_routing.finalize = routing_dijkstra_finalize;
2979 // routing->size_of_link = size_of_link;
2980 // routing->loopback = loopback;
2981 // routing->cached = cached;
2983 // /* Set it in position */
2984 // used_routing = (routing_t) routing;
2986 // /* Setup the parsing callbacks we need */
2987 // routing->generic_routing.host_id = xbt_dict_new();
2988 // surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost);
2989 // surfxml_add_callback(ETag_surfxml_platform_cb_list, &routing_dijkstra_parse_end);
2990 // surfxml_add_callback(STag_surfxml_route_cb_list,
2991 // &routing_full_parse_Sroute_set_endpoints);
2992 // surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_full_parse_Eroute);
2993 // surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_shortest_path_parse_Scluster);
2996 // static void routing_model_dijkstra_create(size_t size_of_link,void *loopback) {
2997 // routing_model_dijkstraboth_create(size_of_link, loopback, 0);
3000 // static void routing_model_dijkstracache_create(size_t size_of_link,void *loopback) {
3001 // routing_model_dijkstraboth_create(size_of_link, loopback, 1);
3004 /* ************************************************** */
3005 /* ********** NO ROUTING **************************** */
3008 // static void routing_none_finalize(void) {
3009 // if (used_routing) {
3010 // xbt_dict_free(&used_routing->host_id);
3011 // free(used_routing);
3012 // used_routing=NULL;
3016 // static void routing_model_none_create(size_t size_of_link,void *loopback) {
3017 // routing_t routing = xbt_new0(s_routing_t,1);
3018 // INFO0("Null routing");
3019 // routing->name = "none";
3020 // routing->host_count = 0;
3021 // routing->host_id = xbt_dict_new();
3022 // routing->get_onelink_routes = NULL;
3023 // routing->is_router = NULL;
3024 // routing->get_route = NULL;
3026 // routing->finalize = routing_none_finalize;
3028 // /* Set it in position */
3029 // used_routing = (routing_t) routing;