1 /* Copyright (c) 2009, 2010, 2011. 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. */
7 #include <pcre.h> /* regular expression library */
9 #include "simgrid/platf_interface.h" // platform creation API internal interface
11 #include "surf_routing_private.h"
12 #include "surf/surf_routing.h"
13 #include "surf/surfxml_parse_values.h"
16 int ROUTING_HOST_LEVEL; //Routing level
17 int SURF_CPU_LEVEL; //Surf cpu level
18 int SURF_WKS_LEVEL; //Surf workstation level
19 int SIMIX_HOST_LEVEL; //Simix level
20 int MSG_HOST_LEVEL; //Msg level
21 int SD_HOST_LEVEL; //Simdag level
22 int COORD_HOST_LEVEL; //Coordinates level
23 int NS3_HOST_LEVEL; //host node for ns3
26 int SD_LINK_LEVEL; //Simdag level
27 int SURF_LINK_LEVEL; //Surf level
28 int NS3_LINK_LEVEL; //link for ns3
30 xbt_lib_t as_router_lib;
31 int ROUTING_ASR_LEVEL; //Routing level
32 int COORD_ASR_LEVEL; //Coordinates level
33 int NS3_ASR_LEVEL; //host node for ns3
35 static xbt_dict_t patterns = NULL;
36 static xbt_dict_t random_value = NULL;
39 routing_global_t global_routing = NULL;
40 routing_component_t current_routing = NULL;
41 model_type_t current_routing_model = NULL;
43 /* global parse functions */
44 xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */
45 static const char *src = NULL; /* temporary store the source name of a route */
46 static const char *dst = NULL; /* temporary store the destination name of a route */
47 static char *gw_src = NULL; /* temporary store the gateway source name of a route */
48 static char *gw_dst = NULL; /* temporary store the gateway destination name of a route */
49 static double_f_cpvoid_t get_link_latency = NULL;
51 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
53 static void routing_parse_peer(sg_platf_peer_cbarg_t peer); /* peer bypass */
54 static void routing_parse_Srandom(void); /* random bypass */
56 static char *replace_random_parameter(char *chaine);
57 static void routing_parse_postparse(void);
59 /* this lines are only for replace use like index in the model table */
64 SURF_MODEL_DIJKSTRACACHE,
71 struct s_model_type routing_models[] = {
73 "Full routing data (fast, large memory requirements, fully expressive)",
74 model_full_create, NULL,NULL, model_full_end},
76 "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
77 model_floyd_create, NULL,NULL, model_floyd_end},
79 "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
80 model_dijkstra_create, NULL,NULL, model_dijkstra_both_end},
82 "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
83 model_dijkstracache_create, NULL,NULL, model_dijkstra_both_end},
84 {"none", "No routing (usable with Constant network only)",
85 model_none_create, NULL, NULL, NULL},
86 {"RuleBased", "Rule-Based routing data (...)",
87 model_rulebased_create, NULL, NULL, NULL},
88 {"Vivaldi", "Vivaldi routing",
89 model_vivaldi_create, NULL, NULL, NULL},
90 {"Cluster", "Cluster routing",
91 model_cluster_create, NULL, NULL, NULL},
92 {NULL, NULL, NULL, NULL, NULL, NULL}
96 * \brief Add a "host" to the network element list
98 static void parse_S_host(sg_platf_host_cbarg_t host)
100 network_element_info_t info = NULL;
101 if (current_routing->hierarchy == SURF_ROUTING_NULL)
102 current_routing->hierarchy = SURF_ROUTING_BASE;
103 xbt_assert(!xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL),
104 "Reading a host, processing unit \"%s\" already exists", host->id);
105 xbt_assert(current_routing->set_processing_unit,
106 "no defined method \"set_processing_unit\" in \"%s\"",
107 current_routing->name);
108 (*(current_routing->set_processing_unit)) (current_routing, host->id);
109 info = xbt_new0(s_network_element_info_t, 1);
110 info->rc_component = current_routing;
111 info->rc_type = SURF_NETWORK_ELEMENT_HOST;
112 xbt_lib_set(host_lib, host->id, ROUTING_HOST_LEVEL, (void *) info);
113 if (host->coord && strcmp(host->coord, "")) {
114 if (!COORD_HOST_LEVEL)
116 ("To use coordinates, you must set configuration 'coordinates' to 'yes'");
117 xbt_dynar_t ctn = xbt_str_split_str(host->coord, " ");
118 xbt_dynar_shrink(ctn, 0);
119 xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn);
124 * \brief Add a "router" to the network element list
126 static void parse_S_router(sg_platf_router_cbarg_t router)
128 network_element_info_t info = NULL;
129 if (current_routing->hierarchy == SURF_ROUTING_NULL)
130 current_routing->hierarchy = SURF_ROUTING_BASE;
131 xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
132 "Reading a router, processing unit \"%s\" already exists",
134 xbt_assert(current_routing->set_processing_unit,
135 "no defined method \"set_processing_unit\" in \"%s\"",
136 current_routing->name);
137 (*(current_routing->set_processing_unit)) (current_routing, router->id);
138 info = xbt_new0(s_network_element_info_t, 1);
139 info->rc_component = current_routing;
140 info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
142 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
143 if (strcmp(router->coord, "")) {
144 if (!COORD_ASR_LEVEL)
146 ("To use coordinates, you must set configuration 'coordinates' to 'yes'");
147 xbt_dynar_t ctn = xbt_str_split_str(router->coord, " ");
148 xbt_dynar_shrink(ctn, 0);
149 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
155 * \brief Set the end points for a route
157 static void routing_parse_S_route(void)
159 if (src != NULL && dst != NULL && link_list != NULL)
160 THROWF(arg_error, 0, "Route between %s to %s can not be defined",
161 A_surfxml_route_src, A_surfxml_route_dst);
162 src = A_surfxml_route_src;
163 dst = A_surfxml_route_dst;
164 xbt_assert(strlen(src) > 0 || strlen(dst) > 0,
165 "Some limits are null in the route between \"%s\" and \"%s\"",
167 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
171 * \brief Set the end points and gateways for a ASroute
173 static void routing_parse_S_ASroute(void)
175 if (src != NULL && dst != NULL && link_list != NULL)
176 THROWF(arg_error, 0, "Route between %s to %s can not be defined",
177 A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
178 src = A_surfxml_ASroute_src;
179 dst = A_surfxml_ASroute_dst;
180 gw_src = A_surfxml_ASroute_gw_src;
181 gw_dst = A_surfxml_ASroute_gw_dst;
182 xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
183 || strlen(gw_dst) > 0,
184 "Some limits are null in the route between \"%s\" and \"%s\"",
186 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
190 * \brief Set the end points for a bypassRoute
192 static void routing_parse_S_bypassRoute(void)
194 if (src != NULL && dst != NULL && link_list != NULL)
196 "Bypass Route between %s to %s can not be defined",
197 A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
198 src = A_surfxml_bypassRoute_src;
199 dst = A_surfxml_bypassRoute_dst;
200 gw_src = A_surfxml_bypassRoute_gw_src;
201 gw_dst = A_surfxml_bypassRoute_gw_dst;
202 xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
203 || strlen(gw_dst) > 0,
204 "Some limits are null in the route between \"%s\" and \"%s\"",
206 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
210 * \brief Set a new link on the actual list of link for a route or ASroute from XML
213 static void routing_parse_link_ctn(void)
216 switch (A_surfxml_link_ctn_direction) {
217 case AU_surfxml_link_ctn_direction:
218 case A_surfxml_link_ctn_direction_NONE:
219 link_id = xbt_strdup(A_surfxml_link_ctn_id);
221 case A_surfxml_link_ctn_direction_UP:
222 link_id = bprintf("%s_UP", A_surfxml_link_ctn_id);
224 case A_surfxml_link_ctn_direction_DOWN:
225 link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
228 xbt_dynar_push(link_list, &link_id);
232 * \brief Store the route by calling the set_route function of the current routing component
234 static void routing_parse_E_route(void)
236 name_route_extended_t route = xbt_new0(s_name_route_extended_t, 1);
237 route->generic_route.link_list = link_list;
238 xbt_assert(current_routing->set_route,
239 "no defined method \"set_route\" in \"%s\"",
240 current_routing->name);
241 (*(current_routing->set_route)) (current_routing, src, dst, route);
248 * \brief Store the ASroute by calling the set_ASroute function of the current routing component
250 static void routing_parse_E_ASroute(void)
252 name_route_extended_t e_route = xbt_new0(s_name_route_extended_t, 1);
253 e_route->generic_route.link_list = link_list;
254 e_route->src_gateway = xbt_strdup(gw_src);
255 e_route->dst_gateway = xbt_strdup(gw_dst);
256 xbt_assert(current_routing->set_ASroute,
257 "no defined method \"set_ASroute\" in \"%s\"",
258 current_routing->name);
259 (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
268 * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
270 static void routing_parse_E_bypassRoute(void)
272 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
273 e_route->generic_route.link_list = link_list;
274 e_route->src_gateway = xbt_strdup(gw_src);
275 e_route->dst_gateway = xbt_strdup(gw_dst);
276 xbt_assert(current_routing->set_bypassroute,
277 "Bypassing mechanism not implemented by routing '%s'",
278 current_routing->name);
279 (*(current_routing->set_bypassroute)) (current_routing, src, dst, e_route);
288 * \brief Make a new routing component to the platform
290 * Add a new autonomous system to the platform. Any elements (such as host,
291 * router or sub-AS) added after this call and before the corresponding call
292 * to sg_platf_new_AS_close() will be added to this AS.
294 * Once this function was called, the configuration concerning the used
295 * models cannot be changed anymore.
297 * @param AS_id name of this autonomous system. Must be unique in the platform
298 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
300 void routing_AS_open(const char *AS_id, const char *wanted_routing_type)
302 routing_component_t new_routing;
303 model_type_t model = NULL;
306 surf_parse_models_setup(); /* ensure that the models are created after the last <config> tag and before the first <AS>-like */
308 /* search the routing model */
309 for (cpt = 0; routing_models[cpt].name; cpt++)
310 if (!strcmp(wanted_routing_type, routing_models[cpt].name))
311 model = &routing_models[cpt];
312 /* if its not exist, error */
314 fprintf(stderr, "Routing model %s not found. Existing models:\n",
315 wanted_routing_type);
316 for (cpt = 0; routing_models[cpt].name; cpt++)
317 fprintf(stderr, " %s: %s\n", routing_models[cpt].name,
318 routing_models[cpt].desc);
322 /* make a new routing component */
323 new_routing = (routing_component_t) (*(model->create)) ();
324 new_routing->routing = model;
325 new_routing->hierarchy = SURF_ROUTING_NULL;
326 new_routing->name = xbt_strdup(AS_id);
327 new_routing->routing_sons = xbt_dict_new();
329 if (current_routing == NULL && global_routing->root == NULL) {
331 /* it is the first one */
332 new_routing->routing_father = NULL;
333 global_routing->root = new_routing;
335 } else if (current_routing != NULL && global_routing->root != NULL) {
337 xbt_assert(!xbt_dict_get_or_null
338 (current_routing->routing_sons, AS_id),
339 "The AS \"%s\" already exists", AS_id);
340 /* it is a part of the tree */
341 new_routing->routing_father = current_routing;
342 /* set the father behavior */
343 if (current_routing->hierarchy == SURF_ROUTING_NULL)
344 current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
345 /* add to the sons dictionary */
346 xbt_dict_set(current_routing->routing_sons, AS_id,
347 (void *) new_routing, NULL);
348 /* add to the father element list */
349 (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
350 /* unload the prev parse rules */
351 if (current_routing->routing->unload)
352 (*(current_routing->routing->unload)) ();
355 THROWF(arg_error, 0, "All defined components must be belong to a AS");
357 /* set the new parse rules */
358 if (new_routing->routing->load)
359 (*(new_routing->routing->load)) ();
360 /* set the new current component of the tree */
361 current_routing = new_routing;
365 * \brief Specify that the current description of AS is finished
367 * Once you've declared all the content of your AS, you have to close
368 * it with this call. Your AS is not usable until you call this function.
370 * @fixme: this call is not as robust as wanted: bad things WILL happen
371 * if you call it twice for the same AS, or if you forget calling it, or
372 * even if you add stuff to a closed AS
375 void routing_AS_close()
378 if (current_routing == NULL) {
379 THROWF(arg_error, 0, "Close an AS, but none was under construction");
381 network_element_info_t info = NULL;
382 xbt_assert(!xbt_lib_get_or_null
383 (as_router_lib, current_routing->name, ROUTING_ASR_LEVEL),
384 "The AS \"%s\" already exists", current_routing->name);
385 info = xbt_new0(s_network_element_info_t, 1);
386 info->rc_component = current_routing->routing_father;
387 info->rc_type = SURF_NETWORK_ELEMENT_AS;
388 xbt_lib_set(as_router_lib, current_routing->name, ROUTING_ASR_LEVEL,
391 if (current_routing->routing->unload)
392 (*(current_routing->routing->unload)) ();
393 if (current_routing->routing->end)
394 (*(current_routing->routing->end)) ();
395 current_routing = current_routing->routing_father;
396 if (current_routing != NULL && current_routing->routing->load != NULL)
397 (*(current_routing->routing->load)) ();
401 /* Aux Business methods */
404 * \brief Get the AS name of the element
406 * \param name the host name
409 static char *elements_As_name(const char *name)
411 routing_component_t as_comp;
413 /* (1) find the as where the host is located */
414 as_comp = ((network_element_info_t)
415 xbt_lib_get_or_null(host_lib, name,
416 ROUTING_HOST_LEVEL))->rc_component;
417 return as_comp->name;
422 * \brief Get the AS father and the first elements of the chain
424 * \param src the source host name
425 * \param dst the destination host name
427 * Get the common father of the to processing units, and the first different
428 * father in the chain
430 static void elements_father(const char *src, const char *dst,
431 routing_component_t * res_father,
432 routing_component_t * res_src,
433 routing_component_t * res_dst)
435 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
436 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
437 routing_component_t src_as, dst_as;
438 routing_component_t path_src[ELEMENTS_FATHER_MAXDEPTH];
439 routing_component_t path_dst[ELEMENTS_FATHER_MAXDEPTH];
442 routing_component_t current;
443 routing_component_t current_src;
444 routing_component_t current_dst;
445 routing_component_t father;
447 /* (1) find the as where the src and dst are located */
448 network_element_info_t src_data = xbt_lib_get_or_null(host_lib, src,
450 network_element_info_t dst_data = xbt_lib_get_or_null(host_lib, dst,
453 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
455 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
456 src_as = src_data->rc_component;
457 dst_as = dst_data->rc_component;
459 xbt_assert(src_as && dst_as,
460 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src, dst);
462 /* (2) find the path to the root routing component */
463 for (current = src_as; current != NULL; current = current->routing_father) {
464 if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
465 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
466 path_src[index_src++] = current;
468 for (current = dst_as; current != NULL; current = current->routing_father) {
469 if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
470 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
471 path_dst[index_dst++] = current;
474 /* (3) find the common father */
476 current_src = path_src[--index_src];
477 current_dst = path_dst[--index_dst];
478 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
480 /* (4) they are not in the same routing component, make the path */
481 if (current_src == current_dst)
482 father = current_src;
484 father = path_src[index_src + 1];
486 /* (5) result generation */
487 *res_father = father; /* first the common father of src and dst */
488 *res_src = current_src; /* second the first different father of src */
489 *res_dst = current_dst; /* three the first different father of dst */
491 #undef ELEMENTS_FATHER_MAXDEPTH
494 /* Global Business methods */
497 * \brief Recursive function for get_route_latency
499 * \param src the source host name
500 * \param dst the destination host name
501 * \param *e_route the route where the links are stored
502 * \param *latency the latency, if needed
504 * This function is called by "get_route" and "get_latency". It allows to walk
505 * recursively through the routing components tree.
507 static void _get_route_latency(const char *src, const char *dst,
508 xbt_dynar_t * route, double *latency)
510 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src, dst);
511 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
513 routing_component_t common_father;
514 routing_component_t src_father;
515 routing_component_t dst_father;
516 elements_father(src, dst, &common_father, &src_father, &dst_father);
518 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
520 route_extended_t e_route = NULL;
522 e_route = common_father->get_route(common_father, src, dst);
523 xbt_assert(e_route, "no route between \"%s\" and \"%s\"", src, dst);
524 *route = e_route->generic_route.link_list;
527 *latency = common_father->get_latency(common_father, src, dst, e_route);
528 xbt_assert(*latency >= 0.0,
529 "latency error on route between \"%s\" and \"%s\"", src, dst);
532 xbt_free(e_route->src_gateway);
533 xbt_free(e_route->dst_gateway);
537 } else { /* SURF_ROUTING_RECURSIVE */
539 route_extended_t e_route_bypass = NULL;
540 if (common_father->get_bypass_route)
541 e_route_bypass = common_father->get_bypass_route(common_father, src, dst);
543 xbt_assert(!latency || !e_route_bypass,
544 "Bypass cannot work yet with get_latency");
546 route_extended_t e_route_cnt = e_route_bypass
547 ? e_route_bypass : common_father->get_route(common_father,
551 xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
552 src_father->name, dst_father->name);
554 xbt_assert((e_route_cnt->src_gateway == NULL) ==
555 (e_route_cnt->dst_gateway == NULL),
556 "bad gateway for route between \"%s\" and \"%s\"", src, dst);
559 *route = xbt_dynar_new(global_routing->size_of_link, NULL);
562 *latency = common_father->get_latency(common_father,
563 src_father->name, dst_father->name,
565 xbt_assert(*latency >= 0.0,
566 "latency error on route between \"%s\" and \"%s\"",
567 src_father->name, dst_father->name);
573 if (strcmp(src, e_route_cnt->src_gateway)) {
575 xbt_dynar_t route_src;
577 _get_route_latency(src, e_route_cnt->src_gateway,
578 (route ? &route_src : NULL),
579 (latency ? &latency_src : NULL));
581 xbt_assert(route_src, "no route between \"%s\" and \"%s\"",
582 src, e_route_cnt->src_gateway);
583 xbt_dynar_foreach(route_src, cpt, link) {
584 xbt_dynar_push(*route, &link);
586 xbt_dynar_free(&route_src);
589 xbt_assert(latency_src >= 0.0,
590 "latency error on route between \"%s\" and \"%s\"",
591 src, e_route_cnt->src_gateway);
592 *latency += latency_src;
597 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
598 xbt_dynar_push(*route, &link);
602 if (strcmp(e_route_cnt->dst_gateway, dst)) {
604 xbt_dynar_t route_dst;
606 _get_route_latency(e_route_cnt->dst_gateway, dst,
607 (route ? &route_dst : NULL),
608 (latency ? &latency_dst : NULL));
610 xbt_assert(route_dst, "no route between \"%s\" and \"%s\"",
611 e_route_cnt->dst_gateway, dst);
612 xbt_dynar_foreach(route_dst, cpt, link) {
613 xbt_dynar_push(*route, &link);
615 xbt_dynar_free(&route_dst);
618 xbt_assert(latency_dst >= 0.0,
619 "latency error on route between \"%s\" and \"%s\"",
620 e_route_cnt->dst_gateway, dst);
621 *latency += latency_dst;
625 generic_free_extended_route(e_route_cnt);
630 * \brief Generic function for get_route, get_route_no_cleanup, and get_latency
632 static void get_route_latency(const char *src, const char *dst,
633 xbt_dynar_t * route, double *latency, int cleanup)
635 _get_route_latency(src, dst, route, latency);
636 xbt_assert(!route || *route, "no route between \"%s\" and \"%s\"", src, dst);
637 xbt_assert(!latency || *latency >= 0.0,
638 "latency error on route between \"%s\" and \"%s\"", src, dst);
640 xbt_dynar_free(&global_routing->last_route);
641 global_routing->last_route = cleanup ? *route : NULL;
646 * \brief Generic method: find a route between hosts
648 * \param src the source host name
649 * \param dst the destination host name
651 * walk through the routing components tree and find a route between hosts
652 * by calling the differents "get_route" functions in each routing component.
653 * No need to free the returned dynar. It will be freed at the next call.
655 static xbt_dynar_t get_route(const char *src, const char *dst)
657 xbt_dynar_t route = NULL;
658 get_route_latency(src, dst, &route, NULL, 1);
663 * \brief Generic method: find a route between hosts
665 * \param src the source host name
666 * \param dst the destination host name
668 * same as get_route, but return NULL if any exception is raised.
670 static xbt_dynar_t get_route_or_null(const char *src, const char *dst)
672 xbt_dynar_t route = NULL;
675 get_route_latency(src, dst, &route, NULL, 1);
677 xbt_ex_free(exception);
684 * \brief Generic method: find a route between hosts
686 * \param src the source host name
687 * \param dst the destination host name
689 * walk through the routing components tree and find a route between hosts
690 * by calling the differents "get_route" functions in each routing component.
691 * Leaves the caller the responsability to clean the returned dynar.
693 static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
695 xbt_dynar_t route = NULL;
696 get_route_latency(src, dst, &route, NULL, 0);
701 static double get_latency(const char *src, const char *dst)
703 double latency = -1.0;
704 get_route_latency(src, dst, NULL, &latency, 0);
708 static int surf_parse_models_setup_already_called = 0;
709 /* Call the last initialization functions, that must be called after the
710 * <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
712 void surf_parse_models_setup()
714 if (surf_parse_models_setup_already_called)
716 surf_parse_models_setup_already_called = 1;
717 surf_config_models_setup();
722 * \brief Recursive function for finalize
724 * \param rc the source host name
726 * This fuction is call by "finalize". It allow to finalize the
727 * AS or routing components. It delete all the structures.
729 static void _finalize(routing_component_t rc)
732 xbt_dict_cursor_t cursor = NULL;
734 routing_component_t elem;
735 xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
738 xbt_dict_t tmp_sons = rc->routing_sons;
739 char *tmp_name = rc->name;
740 xbt_dict_free(&tmp_sons);
742 xbt_assert(rc->finalize, "no defined method \"finalize\" in \"%s\"",
743 current_routing->name);
744 (*(rc->finalize)) (rc);
749 * \brief Generic method: delete all the routing structures
751 * walk through the routing components tree and delete the structures
752 * by calling the differents "finalize" functions in each routing component
754 static void finalize(void)
756 /* delete recursively all the tree */
757 _finalize(global_routing->root);
758 /* delete last_route */
759 xbt_dynar_free(&(global_routing->last_route));
760 /* delete global routing structure */
761 xbt_free(global_routing);
762 /* make sure that we will reinit the models while loading the platf once reinited -- HACK but there is no proper surf_routing_init() */
763 surf_parse_models_setup_already_called = 0;
766 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
768 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
770 //adding my one link routes
773 xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
775 xbt_dynar_foreach(onelink_mine, cpt, link) {
776 xbt_dynar_push(ret, &link);
781 xbt_dict_cursor_t cursor = NULL;
782 routing_component_t rc_child;
783 xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
784 xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
786 xbt_dynar_foreach(onelink_child, cpt, link) {
787 xbt_dynar_push(ret, &link);
794 static xbt_dynar_t get_onelink_routes(void)
796 return recursive_get_onelink_routes(global_routing->root);
799 e_surf_network_element_type_t get_network_element_type(const char *name)
801 network_element_info_t rc = NULL;
803 rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
807 rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
811 return SURF_NETWORK_ELEMENT_NULL;
815 * \brief Generic method: create the global routing schema
817 * Make a global routing structure and set all the parsing functions.
819 void routing_model_create(size_t size_of_links, void *loopback,
820 double_f_cpvoid_t get_link_latency_fun)
822 /* config the uniq global routing */
823 global_routing = xbt_new0(s_routing_global_t, 1);
824 global_routing->root = NULL;
825 global_routing->get_route = get_route;
826 global_routing->get_route_or_null = get_route_or_null;
827 global_routing->get_latency = get_latency;
828 global_routing->get_route_no_cleanup = get_route_no_cleanup;
829 global_routing->get_onelink_routes = get_onelink_routes;
830 global_routing->get_route_latency = get_route_latency;
831 global_routing->get_network_element_type = get_network_element_type;
832 global_routing->finalize = finalize;
833 global_routing->loopback = loopback;
834 global_routing->size_of_link = size_of_links;
835 global_routing->last_route = NULL;
836 get_link_latency = get_link_latency_fun;
837 /* no current routing at moment */
838 current_routing = NULL;
842 /* ************************************************** */
843 /* ********** PATERN FOR NEW ROUTING **************** */
845 /* The minimal configuration of a new routing model need the next functions,
846 * also you need to set at the start of the file, the new model in the model
847 * list. Remember keep the null ending of the list.
849 /*** Routing model structure ***/
851 // s_routing_component_t generic_routing;
852 // /* things that your routing model need */
853 // } s_routing_component_NEW_t,*routing_component_NEW_t;
855 /*** Parse routing model functions ***/
856 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
857 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
858 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
859 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
860 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
862 /*** Business methods ***/
863 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
864 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
865 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
867 /*** Creation routing model functions ***/
868 // static void* model_NEW_create(void) {
869 // routing_component_NEW_t new_component = xbt_new0(s_routing_component_NEW_t,1);
870 // new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
871 // new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
872 // new_component->generic_routing.set_route = model_NEW_set_route;
873 // new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
874 // new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
875 // new_component->generic_routing.get_route = NEW_get_route;
876 // new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
877 // new_component->generic_routing.finalize = NEW_finalize;
878 // /* initialization of internal structures */
879 // return new_component;
881 // static void model_NEW_load(void) {} /* mandatory */
882 // static void model_NEW_unload(void) {} /* mandatory */
883 // static void model_NEW_end(void) {} /* mandatory */
885 /* ************************************************************************** */
886 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
888 void generic_set_processing_unit(routing_component_t rc, const char *name)
890 XBT_DEBUG("Load process unit \"%s\"", name);
891 int *id = xbt_new0(int, 1);
892 xbt_dict_t _to_index;
893 _to_index = current_routing->to_index;
894 *id = xbt_dict_length(_to_index);
895 xbt_dict_set(_to_index, name, id, xbt_free);
898 void generic_set_autonomous_system(routing_component_t rc, const char *name)
900 XBT_DEBUG("Load Autonomous system \"%s\"", name);
901 int *id = xbt_new0(int, 1);
902 xbt_dict_t _to_index;
903 _to_index = current_routing->to_index;
904 *id = xbt_dict_length(_to_index);
905 xbt_dict_set(_to_index, name, id, xbt_free);
908 int surf_pointer_resource_cmp(const void *a, const void *b)
913 int surf_link_resource_cmp(const void *a, const void *b)
915 return ! !memcmp(a, b, global_routing->size_of_link);
918 void generic_set_bypassroute(routing_component_t rc,
919 const char *src, const char *dst,
920 route_extended_t e_route)
922 XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
923 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
926 route_name = bprintf("%s#%s", src, dst);
927 xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
928 "Invalid count of links, must be greater than zero (%s,%s)",
930 xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
931 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
932 src, e_route->src_gateway, dst, e_route->dst_gateway);
934 route_extended_t new_e_route =
935 generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
936 xbt_dynar_free(&(e_route->generic_route.link_list));
939 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
940 (void (*)(void *)) generic_free_extended_route);
941 xbt_free(route_name);
944 /* ************************************************************************** */
945 /* *********************** GENERIC BUSINESS METHODS ************************* */
947 double generic_get_link_latency(routing_component_t rc,
948 const char *src, const char *dst,
949 route_extended_t route)
951 int need_to_clean = route ? 0 : 1;
954 double latency = 0.0;
956 route = route ? route : rc->get_route(rc, src, dst);
958 xbt_dynar_foreach(route->generic_route.link_list, i, link) {
959 latency += get_link_latency(link);
962 generic_free_extended_route(route);
966 xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
968 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
971 route_extended_t generic_get_bypassroute(routing_component_t rc,
972 const char *src, const char *dst)
974 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
975 routing_component_t src_as, dst_as;
976 int index_src, index_dst;
977 xbt_dynar_t path_src = NULL;
978 xbt_dynar_t path_dst = NULL;
979 routing_component_t current = NULL;
980 routing_component_t *current_src = NULL;
981 routing_component_t *current_dst = NULL;
983 /* (1) find the as where the src and dst are located */
984 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
985 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
987 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
989 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
991 if (src_data == NULL || dst_data == NULL)
992 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
995 src_as = ((network_element_info_t) src_data)->rc_component;
996 dst_as = ((network_element_info_t) dst_data)->rc_component;
998 /* (2) find the path to the root routing component */
999 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
1001 while (current != NULL) {
1002 xbt_dynar_push(path_src, ¤t);
1003 current = current->routing_father;
1005 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
1007 while (current != NULL) {
1008 xbt_dynar_push(path_dst, ¤t);
1009 current = current->routing_father;
1012 /* (3) find the common father */
1013 index_src = path_src->used - 1;
1014 index_dst = path_dst->used - 1;
1015 current_src = xbt_dynar_get_ptr(path_src, index_src);
1016 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1017 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
1018 xbt_dynar_pop_ptr(path_src);
1019 xbt_dynar_pop_ptr(path_dst);
1022 current_src = xbt_dynar_get_ptr(path_src, index_src);
1023 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1026 int max_index_src = path_src->used - 1;
1027 int max_index_dst = path_dst->used - 1;
1029 int max_index = max(max_index_src, max_index_dst);
1032 route_extended_t e_route_bypass = NULL;
1034 for (max = 0; max <= max_index; max++) {
1035 for (i = 0; i < max; i++) {
1036 if (i <= max_index_src && max <= max_index_dst) {
1037 char *route_name = bprintf("%s#%s",
1038 (*(routing_component_t *)
1039 (xbt_dynar_get_ptr(path_src, i)))->name,
1040 (*(routing_component_t *)
1041 (xbt_dynar_get_ptr(path_dst, max)))->name);
1042 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1043 xbt_free(route_name);
1047 if (max <= max_index_src && i <= max_index_dst) {
1048 char *route_name = bprintf("%s#%s",
1049 (*(routing_component_t *)
1050 (xbt_dynar_get_ptr(path_src, max)))->name,
1051 (*(routing_component_t *)
1052 (xbt_dynar_get_ptr(path_dst, i)))->name);
1053 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1054 xbt_free(route_name);
1063 if (max <= max_index_src && max <= max_index_dst) {
1064 char *route_name = bprintf("%s#%s",
1065 (*(routing_component_t *)
1066 (xbt_dynar_get_ptr(path_src, max)))->name,
1067 (*(routing_component_t *)
1068 (xbt_dynar_get_ptr(path_dst, max)))->name);
1069 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1070 xbt_free(route_name);
1076 xbt_dynar_free(&path_src);
1077 xbt_dynar_free(&path_dst);
1079 route_extended_t new_e_route = NULL;
1081 if (e_route_bypass) {
1083 unsigned int cpt = 0;
1084 new_e_route = xbt_new0(s_route_extended_t, 1);
1085 new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
1086 new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
1087 new_e_route->generic_route.link_list =
1088 xbt_dynar_new(global_routing->size_of_link, NULL);
1089 xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
1090 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
1097 /* ************************************************************************** */
1098 /* ************************* GENERIC AUX FUNCTIONS ************************** */
1101 generic_new_route(e_surf_routing_hierarchy_t hierarchy, void *data, int order)
1107 xbt_dynar_t links = NULL, links_id = NULL;
1109 new_route = xbt_new0(s_route_t, 1);
1110 new_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
1112 xbt_assert(hierarchy == SURF_ROUTING_BASE,
1113 "the hierarchy type is not SURF_ROUTING_BASE");
1115 links = ((route_t) data)->link_list;
1118 links_id = new_route->link_list;
1120 xbt_dynar_foreach(links, cpt, link_name) {
1122 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1125 xbt_dynar_push(links_id, &link);
1127 xbt_dynar_unshift(links_id, &link);
1129 THROWF(mismatch_error, 0, "Link %s not found", link_name);
1136 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
1137 void *data, int order)
1141 route_extended_t e_route, new_e_route;
1144 xbt_dynar_t links = NULL, links_id = NULL;
1146 new_e_route = xbt_new0(s_route_extended_t, 1);
1147 new_e_route->generic_route.link_list =
1148 xbt_dynar_new(global_routing->size_of_link, NULL);
1149 new_e_route->src_gateway = NULL;
1150 new_e_route->dst_gateway = NULL;
1152 xbt_assert(hierarchy == SURF_ROUTING_BASE
1153 || hierarchy == SURF_ROUTING_RECURSIVE,
1154 "the hierarchy type is not defined");
1156 if (hierarchy == SURF_ROUTING_BASE) {
1158 route = (route_t) data;
1159 links = route->link_list;
1161 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
1163 e_route = (route_extended_t) data;
1164 xbt_assert(e_route->src_gateway
1165 && e_route->dst_gateway, "bad gateway, is null");
1166 links = e_route->generic_route.link_list;
1168 /* remeber not erase the gateway names */
1169 new_e_route->src_gateway = strdup(e_route->src_gateway);
1170 new_e_route->dst_gateway = strdup(e_route->dst_gateway);
1173 links_id = new_e_route->generic_route.link_list;
1175 xbt_dynar_foreach(links, cpt, link_name) {
1177 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1180 xbt_dynar_push(links_id, &link);
1182 xbt_dynar_unshift(links_id, &link);
1184 THROWF(mismatch_error, 0, "Link %s not found", link_name);
1190 void generic_free_route(route_t route)
1193 xbt_dynar_free(&(route->link_list));
1198 void generic_free_extended_route(route_extended_t e_route)
1201 xbt_dynar_free(&(e_route->generic_route.link_list));
1202 xbt_free(e_route->src_gateway);
1203 xbt_free(e_route->dst_gateway);
1208 static routing_component_t generic_as_exist(routing_component_t find_from,
1209 routing_component_t to_find)
1211 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1212 xbt_dict_cursor_t cursor = NULL;
1215 routing_component_t elem;
1216 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
1217 if (to_find == elem || generic_as_exist(elem, to_find)) {
1228 generic_autonomous_system_exist(routing_component_t rc, char *element)
1230 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1231 routing_component_t element_as, result, elem;
1232 xbt_dict_cursor_t cursor = NULL;
1234 element_as = ((network_element_info_t)
1235 xbt_lib_get_or_null(as_router_lib, element,
1236 ROUTING_ASR_LEVEL))->rc_component;
1237 result = ((routing_component_t) - 1);
1238 if (element_as != rc)
1239 result = generic_as_exist(rc, element_as);
1243 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
1244 found = !strcmp(elem->name, element);
1255 generic_processing_units_exist(routing_component_t rc, char *element)
1257 routing_component_t element_as;
1258 element_as = ((network_element_info_t)
1259 xbt_lib_get_or_null(host_lib,
1260 element, ROUTING_HOST_LEVEL))->rc_component;
1261 if (element_as == rc)
1263 return generic_as_exist(rc, element_as);
1266 void generic_src_dst_check(routing_component_t rc, const char *src,
1270 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
1271 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
1273 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
1275 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
1277 if (src_data == NULL || dst_data == NULL)
1278 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1279 src, dst, rc->name);
1281 routing_component_t src_as =
1282 ((network_element_info_t) src_data)->rc_component;
1283 routing_component_t dst_as =
1284 ((network_element_info_t) dst_data)->rc_component;
1286 if (src_as != dst_as)
1287 xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
1288 src, src_as->name, dst, dst_as->name);
1291 ("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
1292 src, dst, src_as->name, dst_as->name, rc->name);
1295 static void routing_parse_cluster(void)
1297 char *host_id, *groups, *link_id = NULL;
1299 s_sg_platf_host_cbarg_t host;
1300 s_sg_platf_link_cbarg_t link;
1302 if (strcmp(struct_cluster->availability_trace, "")
1303 || strcmp(struct_cluster->state_trace, "")) {
1304 if (xbt_dict_size(patterns) == 0)
1305 patterns = xbt_dict_new();
1306 xbt_dict_set(patterns, "id", xbt_strdup(struct_cluster->id), free);
1307 xbt_dict_set(patterns, "prefix", xbt_strdup(struct_cluster->prefix), free);
1308 xbt_dict_set(patterns, "suffix", xbt_strdup(struct_cluster->suffix), free);
1313 xbt_dynar_t radical_elements;
1314 xbt_dynar_t radical_ends;
1316 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", struct_cluster->id);
1317 sg_platf_new_AS_open(struct_cluster->id, "Cluster");
1320 radical_elements = xbt_str_split(struct_cluster->radical, ",");
1321 xbt_dynar_foreach(radical_elements, iter, groups) {
1322 memset(&host, 0, sizeof(host));
1324 radical_ends = xbt_str_split(groups, "-");
1325 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1327 switch (xbt_dynar_length(radical_ends)) {
1332 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1335 surf_parse_error("Malformed radical");
1338 for (i = start; i <= end; i++) {
1340 bprintf("%s%d%s", struct_cluster->prefix, i, struct_cluster->suffix);
1341 link_id = bprintf("%s_link_%d", struct_cluster->id, i);
1343 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id,
1344 struct_cluster->power);
1346 if (strcmp(struct_cluster->availability_trace, "")) {
1347 xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
1348 char *tmp_availability_file =
1349 xbt_strdup(struct_cluster->availability_trace);
1350 xbt_str_varsubst(tmp_availability_file, patterns);
1351 XBT_DEBUG("\tavailability_file=\"%s\"", tmp_availability_file);
1352 host.power_trace = tmgr_trace_new(tmp_availability_file);
1353 xbt_free(tmp_availability_file);
1355 XBT_DEBUG("\tavailability_file=\"\"");
1357 if (strcmp(struct_cluster->state_trace, "")) {
1358 char *tmp_state_file = xbt_strdup(struct_cluster->state_trace);
1359 xbt_str_varsubst(tmp_state_file, patterns);
1360 XBT_DEBUG("\tstate_file=\"%s\"", tmp_state_file);
1361 host.state_trace = tmgr_trace_new(tmp_state_file);
1362 xbt_free(tmp_state_file);
1364 XBT_DEBUG("\tstate_file=\"\"");
1367 host.power_peak = struct_cluster->power;
1368 host.power_scale = 1.0;
1369 host.core_amount = struct_cluster->core_amount;
1370 host.initial_state = SURF_RESOURCE_ON;
1372 sg_platf_new_host(&host);
1373 XBT_DEBUG("</host>");
1375 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
1376 struct_cluster->bw, struct_cluster->lat);
1378 memset(&link, 0, sizeof(link));
1380 link.bandwidth = struct_cluster->bw;
1381 link.latency = struct_cluster->lat;
1382 link.state = SURF_RESOURCE_ON;
1384 switch (struct_cluster->sharing_policy) {
1385 case A_surfxml_cluster_sharing_policy_SHARED:
1386 link.policy = SURF_LINK_SHARED;
1388 case A_surfxml_cluster_sharing_policy_FULLDUPLEX:
1389 link.policy = SURF_LINK_FULLDUPLEX;
1391 case A_surfxml_cluster_sharing_policy_FATPIPE:
1392 link.policy = SURF_LINK_FATPIPE;
1395 surf_parse_error(bprintf
1396 ("Invalid cluster sharing policy for cluster %s",
1397 struct_cluster->id));
1400 sg_platf_new_link(&link);
1402 surf_parsing_link_up_down_t info =
1403 xbt_new0(s_surf_parsing_link_up_down_t, 1);
1404 if (link.policy == SURF_LINK_FULLDUPLEX) {
1405 char *tmp_link = bprintf("%s_UP", link_id);
1407 xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1409 tmp_link = bprintf("%s_DOWN", link_id);
1411 xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1414 info->link_up = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL);
1415 info->link_down = info->link_up;
1417 surf_routing_cluster_add_link(host_id, info);
1423 xbt_dynar_free(&radical_ends);
1425 xbt_dynar_free(&radical_elements);
1427 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written, and it's very useful to connect clusters together
1429 XBT_DEBUG("<router id=\"%s\"/>", struct_cluster->router_id);
1430 s_sg_platf_router_cbarg_t router;
1432 memset(&router, 0, sizeof(router));
1433 router.id = struct_cluster->router_id;
1435 if (!router.id || !strcmp(router.id, ""))
1437 bprintf("%s%s_router%s", struct_cluster->prefix, struct_cluster->id,
1438 struct_cluster->suffix);
1439 sg_platf_new_router(&router);
1443 if ((struct_cluster->bb_bw != 0) && (struct_cluster->bb_lat != 0)) {
1444 char *link_backbone = bprintf("%s_backbone", struct_cluster->id);
1445 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
1446 struct_cluster->bb_bw, struct_cluster->bb_lat);
1448 memset(&link, 0, sizeof(link));
1449 link.id = link_backbone;
1450 link.bandwidth = struct_cluster->bb_bw;
1451 link.latency = struct_cluster->bb_lat;
1452 link.state = SURF_RESOURCE_ON;
1454 switch (struct_cluster->bb_sharing_policy) {
1455 case A_surfxml_cluster_bb_sharing_policy_FATPIPE:
1456 link.policy = SURF_LINK_FATPIPE;
1458 case A_surfxml_cluster_bb_sharing_policy_SHARED:
1459 link.policy = SURF_LINK_SHARED;
1462 surf_parse_error(bprintf
1463 ("Invalid bb sharing policy in cluster %s",
1464 struct_cluster->id));
1468 sg_platf_new_link(&link);
1470 surf_parsing_link_up_down_t info =
1471 xbt_new0(s_surf_parsing_link_up_down_t, 1);
1473 xbt_lib_get_or_null(link_lib, link_backbone, SURF_LINK_LEVEL);
1474 info->link_down = info->link_up;
1475 surf_routing_cluster_add_link(struct_cluster->id, info);
1477 free(link_backbone);
1482 char *new_suffix = xbt_strdup("");
1484 radical_elements = xbt_str_split(struct_cluster->suffix, ".");
1485 xbt_dynar_foreach(radical_elements, iter, groups) {
1486 if (strcmp(groups, "")) {
1487 char *old_suffix = new_suffix;
1488 new_suffix = bprintf("%s\\.%s", old_suffix, groups);
1493 xbt_dynar_free(&radical_elements);
1494 xbt_free(new_suffix);
1496 if (strcmp(struct_cluster->availability_trace, "")
1497 || strcmp(struct_cluster->state_trace, ""))
1498 xbt_dict_free(&patterns);
1501 sg_platf_new_AS_close();
1506 * This function take a string and replace parameters from patterns dict.
1507 * It returns the new value.
1509 static char *replace_random_parameter(char *string)
1511 char *test_string = NULL;
1513 if (xbt_dict_size(random_value) == 0)
1516 string = xbt_str_varsubst(string, patterns); // for patterns of cluster
1517 test_string = bprintf("${%s}", string);
1518 test_string = xbt_str_varsubst(test_string, random_value); //Add ${xxxxx} for random Generator
1520 if (strcmp(test_string, "")) { //if not empty, keep this value.
1522 string = test_string;
1523 } //In other case take old value (without ${})
1529 static void routing_parse_postparse(void)
1531 xbt_dict_free(&random_value);
1532 xbt_dict_free(&patterns);
1535 static void routing_parse_peer(sg_platf_peer_cbarg_t peer)
1537 static int AX_ptr = 0;
1538 char *host_id = NULL;
1539 char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
1541 static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1542 static unsigned int surfxml_buffer_stack_stack[1024];
1544 surfxml_buffer_stack_stack[0] = 0;
1546 surfxml_bufferstack_push(1);
1548 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", peer->id);
1549 sg_platf_new_AS_open(peer->id, "Full");
1552 host_id = HOST_PEER(peer->id);
1553 router_id = ROUTER_PEER(peer->id);
1554 link_id_up = LINK_UP_PEER(peer->id);
1555 link_id_down = LINK_DOWN_PEER(peer->id);
1557 link_router = bprintf("%s_link_router", peer->id);
1558 link_backbone = bprintf("%s_backbone", peer->id);
1560 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->power);
1561 s_sg_platf_host_cbarg_t host;
1562 memset(&host, 0, sizeof(host));
1563 host.initial_state = SURF_RESOURCE_ON;
1565 host.power_peak = peer->power;
1566 host.power_scale = 1.0;
1567 host.power_trace = peer->availability_trace;
1568 host.state_trace = peer->state_trace;
1569 host.core_amount = 1;
1570 sg_platf_new_host(&host);
1573 XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer->coord);
1574 s_sg_platf_router_cbarg_t router;
1575 memset(&router, 0, sizeof(router));
1576 router.id = router_id;
1577 router.coord = peer->coord;
1578 sg_platf_new_router(&router);
1580 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_up,
1581 peer->bw_in, peer->lat);
1582 s_sg_platf_link_cbarg_t link;
1583 memset(&link, 0, sizeof(link));
1584 link.state = SURF_RESOURCE_ON;
1585 link.policy = SURF_LINK_SHARED;
1586 link.id = link_id_up;
1587 link.bandwidth = peer->bw_in;
1588 link.latency = peer->lat;
1589 sg_platf_new_link(&link);
1591 // FIXME: dealing with full duplex is not the role of this piece of code, I'd say [Mt]
1592 // Instead, it should be created fullduplex, and the models will do what's needed in this case
1593 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_down,
1594 peer->bw_out, peer->lat);
1595 link.id = link_id_down;
1596 sg_platf_new_link(&link);
1601 XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", host_id, router_id);
1602 XBT_DEBUG("symmetrical=\"NO\">");
1603 SURFXML_BUFFER_SET(route_src, host_id);
1604 SURFXML_BUFFER_SET(route_dst, router_id);
1605 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1606 SURFXML_START_TAG(route);
1608 XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
1609 SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
1610 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1611 SURFXML_START_TAG(link_ctn);
1612 SURFXML_END_TAG(link_ctn);
1614 XBT_DEBUG("</route>");
1615 SURFXML_END_TAG(route);
1618 XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, host_id);
1619 XBT_DEBUG("symmetrical=\"NO\">");
1620 SURFXML_BUFFER_SET(route_src, router_id);
1621 SURFXML_BUFFER_SET(route_dst, host_id);
1622 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1623 SURFXML_START_TAG(route);
1625 XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
1626 SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
1627 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1628 SURFXML_START_TAG(link_ctn);
1629 SURFXML_END_TAG(link_ctn);
1631 XBT_DEBUG("</route>");
1632 SURFXML_END_TAG(route);
1635 sg_platf_new_AS_close();
1638 //xbt_dynar_free(&tab_elements_num);
1642 free(link_backbone);
1645 surfxml_bufferstack_pop(1);
1648 static void routing_parse_Srandom(void)
1650 double mean, std, min, max, seed;
1651 char *random_id = A_surfxml_random_id;
1652 char *random_radical = A_surfxml_random_radical;
1653 char *rd_name = NULL;
1655 mean = surf_parse_get_double(A_surfxml_random_mean);
1656 std = surf_parse_get_double(A_surfxml_random_std_deviation);
1657 min = surf_parse_get_double(A_surfxml_random_min);
1658 max = surf_parse_get_double(A_surfxml_random_max);
1659 seed = surf_parse_get_double(A_surfxml_random_seed);
1663 random_data_t random = xbt_new0(s_random_data_t, 1);
1666 xbt_dynar_t radical_elements;
1670 xbt_dynar_t radical_ends;
1672 random->generator = A_surfxml_random_generator;
1673 random->seed = seed;
1677 /* Check user stupidities */
1679 THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
1681 THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
1683 THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
1685 /* normalize the mean and standard deviation before storing */
1686 random->mean = (mean - min) / (max - min);
1687 random->std = std / (max - min);
1689 if (random->mean * (1 - random->mean) < random->std * random->std)
1690 THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
1691 random->mean, random->std);
1694 ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
1695 random_id, random->min, random->max, random->mean, random->std,
1696 random->generator, random->seed, random_radical);
1698 if (xbt_dict_size(random_value) == 0)
1699 random_value = xbt_dict_new();
1701 if (!strcmp(random_radical, "")) {
1702 res = random_generate(random);
1703 rd_value = bprintf("%f", res);
1704 xbt_dict_set(random_value, random_id, rd_value, free);
1706 radical_elements = xbt_str_split(random_radical, ",");
1707 xbt_dynar_foreach(radical_elements, iter, groups) {
1708 radical_ends = xbt_str_split(groups, "-");
1709 switch (xbt_dynar_length(radical_ends)) {
1711 xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1712 "Custom Random '%s' already exists !", random_id);
1713 res = random_generate(random);
1715 bprintf("%s%d", random_id,
1716 atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
1717 xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free);
1722 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1723 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1724 for (i = start; i <= end; i++) {
1725 xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1726 "Custom Random '%s' already exists !", bprintf("%s%d",
1729 res = random_generate(random);
1730 tmpbuf = bprintf("%s%d", random_id, i);
1731 xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free);
1736 XBT_INFO("Malformed radical");
1739 res = random_generate(random);
1740 rd_name = bprintf("%s_router", random_id);
1741 rd_value = bprintf("%f", res);
1742 xbt_dict_set(random_value, rd_name, rd_value, free);
1744 xbt_dynar_free(&radical_ends);
1747 xbt_dynar_free(&radical_elements);
1751 void routing_register_callbacks()
1753 sg_platf_host_add_cb(parse_S_host);
1754 sg_platf_router_add_cb(parse_S_router);
1756 surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
1758 surfxml_add_callback(STag_surfxml_route_cb_list, &routing_parse_S_route);
1759 surfxml_add_callback(STag_surfxml_ASroute_cb_list, &routing_parse_S_ASroute);
1760 surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
1761 &routing_parse_S_bypassRoute);
1763 surfxml_add_callback(ETag_surfxml_link_ctn_cb_list, &routing_parse_link_ctn);
1765 surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_parse_E_route);
1766 surfxml_add_callback(ETag_surfxml_ASroute_cb_list, &routing_parse_E_ASroute);
1767 surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
1768 &routing_parse_E_bypassRoute);
1770 surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_parse_cluster);
1772 sg_platf_peer_add_cb(routing_parse_peer);
1773 sg_platf_postparse_add_cb(routing_parse_postparse);
1776 instr_routing_define_callbacks();