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 */
50 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
52 static void routing_parse_peer(sg_platf_peer_cbarg_t peer); /* peer bypass */
53 static void routing_parse_Srandom(void); /* random bypass */
55 static char *replace_random_parameter(char *chaine);
56 static void routing_parse_postparse(void);
58 /* this lines are only for replace use like index in the model table */
63 SURF_MODEL_DIJKSTRACACHE,
70 struct s_model_type routing_models[] = {
72 "Full routing data (fast, large memory requirements, fully expressive)",
73 model_full_create, NULL,NULL, model_full_end},
75 "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
76 model_floyd_create, NULL,NULL, model_floyd_end},
78 "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
79 model_dijkstra_create, NULL,NULL, model_dijkstra_both_end},
81 "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
82 model_dijkstracache_create, NULL,NULL, model_dijkstra_both_end},
83 {"none", "No routing (usable with Constant network only)",
84 model_none_create, NULL, NULL, NULL},
85 {"RuleBased", "Rule-Based routing data (...)",
86 model_rulebased_create, NULL, NULL, NULL},
87 {"Vivaldi", "Vivaldi routing",
88 model_vivaldi_create, NULL, NULL, NULL},
89 {"Cluster", "Cluster routing",
90 model_cluster_create, NULL, NULL, NULL},
91 {NULL, NULL, NULL, NULL, NULL, NULL}
95 * \brief Add a "host" to the network element list
97 static void parse_S_host(sg_platf_host_cbarg_t host)
99 network_element_info_t info = NULL;
100 if (current_routing->hierarchy == SURF_ROUTING_NULL)
101 current_routing->hierarchy = SURF_ROUTING_BASE;
102 xbt_assert(!xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL),
103 "Reading a host, processing unit \"%s\" already exists", host->id);
104 xbt_assert(current_routing->set_processing_unit,
105 "no defined method \"set_processing_unit\" in \"%s\"",
106 current_routing->name);
107 (*(current_routing->set_processing_unit)) (current_routing, host->id);
108 info = xbt_new0(s_network_element_info_t, 1);
109 info->rc_component = current_routing;
110 info->rc_type = SURF_NETWORK_ELEMENT_HOST;
111 xbt_lib_set(host_lib, host->id, ROUTING_HOST_LEVEL, (void *) info);
112 if (host->coord && strcmp(host->coord, "")) {
113 if (!COORD_HOST_LEVEL)
115 ("To use coordinates, you must set configuration 'coordinates' to 'yes'");
116 xbt_dynar_t ctn = xbt_str_split_str(host->coord, " ");
117 xbt_dynar_shrink(ctn, 0);
118 xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn);
123 * \brief Add a "router" to the network element list
125 static void parse_S_router(sg_platf_router_cbarg_t router)
127 network_element_info_t info = NULL;
128 if (current_routing->hierarchy == SURF_ROUTING_NULL)
129 current_routing->hierarchy = SURF_ROUTING_BASE;
130 xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
131 "Reading a router, processing unit \"%s\" already exists",
133 xbt_assert(current_routing->set_processing_unit,
134 "no defined method \"set_processing_unit\" in \"%s\"",
135 current_routing->name);
136 (*(current_routing->set_processing_unit)) (current_routing, router->id);
137 info = xbt_new0(s_network_element_info_t, 1);
138 info->rc_component = current_routing;
139 info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
141 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
142 if (strcmp(router->coord, "")) {
143 if (!COORD_ASR_LEVEL)
145 ("To use coordinates, you must set configuration 'coordinates' to 'yes'");
146 xbt_dynar_t ctn = xbt_str_split_str(router->coord, " ");
147 xbt_dynar_shrink(ctn, 0);
148 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
154 * \brief Set the end points for a route
156 static void routing_parse_S_route(void)
158 if (src != NULL && dst != NULL && link_list != NULL)
159 THROWF(arg_error, 0, "Route between %s to %s can not be defined",
160 A_surfxml_route_src, A_surfxml_route_dst);
161 src = A_surfxml_route_src;
162 dst = A_surfxml_route_dst;
163 xbt_assert(strlen(src) > 0 || strlen(dst) > 0,
164 "Some limits are null in the route between \"%s\" and \"%s\"",
166 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
170 * \brief Set the end points and gateways for a ASroute
172 static void routing_parse_S_ASroute(void)
174 if (src != NULL && dst != NULL && link_list != NULL)
175 THROWF(arg_error, 0, "Route between %s to %s can not be defined",
176 A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
177 src = A_surfxml_ASroute_src;
178 dst = A_surfxml_ASroute_dst;
179 gw_src = A_surfxml_ASroute_gw_src;
180 gw_dst = A_surfxml_ASroute_gw_dst;
181 xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
182 || strlen(gw_dst) > 0,
183 "Some limits are null in the route between \"%s\" and \"%s\"",
185 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
189 * \brief Set the end points for a bypassRoute
191 static void routing_parse_S_bypassRoute(void)
193 if (src != NULL && dst != NULL && link_list != NULL)
195 "Bypass Route between %s to %s can not be defined",
196 A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
197 src = A_surfxml_bypassRoute_src;
198 dst = A_surfxml_bypassRoute_dst;
199 gw_src = A_surfxml_bypassRoute_gw_src;
200 gw_dst = A_surfxml_bypassRoute_gw_dst;
201 xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
202 || strlen(gw_dst) > 0,
203 "Some limits are null in the route between \"%s\" and \"%s\"",
205 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
209 * \brief Set a new link on the actual list of link for a route or ASroute from XML
212 static void routing_parse_link_ctn(void)
215 switch (A_surfxml_link_ctn_direction) {
216 case AU_surfxml_link_ctn_direction:
217 case A_surfxml_link_ctn_direction_NONE:
218 link_id = xbt_strdup(A_surfxml_link_ctn_id);
220 case A_surfxml_link_ctn_direction_UP:
221 link_id = bprintf("%s_UP", A_surfxml_link_ctn_id);
223 case A_surfxml_link_ctn_direction_DOWN:
224 link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
227 xbt_dynar_push(link_list, &link_id);
231 * \brief Store the route by calling the set_route function of the current routing component
233 static void routing_parse_E_route(void)
235 name_route_extended_t route = xbt_new0(s_name_route_extended_t, 1);
236 route->generic_route.link_list = link_list;
237 xbt_assert(current_routing->set_route,
238 "no defined method \"set_route\" in \"%s\"",
239 current_routing->name);
240 (*(current_routing->set_route)) (current_routing, src, dst, route);
247 * \brief Store the ASroute by calling the set_ASroute function of the current routing component
249 static void routing_parse_E_ASroute(void)
251 name_route_extended_t e_route = xbt_new0(s_name_route_extended_t, 1);
252 e_route->generic_route.link_list = link_list;
253 e_route->src_gateway = xbt_strdup(gw_src);
254 e_route->dst_gateway = xbt_strdup(gw_dst);
255 xbt_assert(current_routing->set_ASroute,
256 "no defined method \"set_ASroute\" in \"%s\"",
257 current_routing->name);
258 (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
267 * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
269 static void routing_parse_E_bypassRoute(void)
271 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
272 e_route->generic_route.link_list = link_list;
273 e_route->src_gateway = xbt_strdup(gw_src);
274 e_route->dst_gateway = xbt_strdup(gw_dst);
275 xbt_assert(current_routing->set_bypassroute,
276 "Bypassing mechanism not implemented by routing '%s'",
277 current_routing->name);
278 (*(current_routing->set_bypassroute)) (current_routing, src, dst, e_route);
287 * \brief Make a new routing component to the platform
289 * Add a new autonomous system to the platform. Any elements (such as host,
290 * router or sub-AS) added after this call and before the corresponding call
291 * to sg_platf_new_AS_close() will be added to this AS.
293 * Once this function was called, the configuration concerning the used
294 * models cannot be changed anymore.
296 * @param AS_id name of this autonomous system. Must be unique in the platform
297 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
299 void routing_AS_open(const char *AS_id, const char *wanted_routing_type)
301 routing_component_t new_routing;
302 model_type_t model = NULL;
305 surf_parse_models_setup(); /* ensure that the models are created after the last <config> tag and before the first <AS>-like */
307 /* search the routing model */
308 for (cpt = 0; routing_models[cpt].name; cpt++)
309 if (!strcmp(wanted_routing_type, routing_models[cpt].name))
310 model = &routing_models[cpt];
311 /* if its not exist, error */
313 fprintf(stderr, "Routing model %s not found. Existing models:\n",
314 wanted_routing_type);
315 for (cpt = 0; routing_models[cpt].name; cpt++)
316 fprintf(stderr, " %s: %s\n", routing_models[cpt].name,
317 routing_models[cpt].desc);
321 /* make a new routing component */
322 new_routing = (routing_component_t) (*(model->create)) ();
323 new_routing->routing = model;
324 new_routing->hierarchy = SURF_ROUTING_NULL;
325 new_routing->name = xbt_strdup(AS_id);
326 new_routing->routing_sons = xbt_dict_new();
328 if (current_routing == NULL && global_routing->root == NULL) {
330 /* it is the first one */
331 new_routing->routing_father = NULL;
332 global_routing->root = new_routing;
334 } else if (current_routing != NULL && global_routing->root != NULL) {
336 xbt_assert(!xbt_dict_get_or_null
337 (current_routing->routing_sons, AS_id),
338 "The AS \"%s\" already exists", AS_id);
339 /* it is a part of the tree */
340 new_routing->routing_father = current_routing;
341 /* set the father behavior */
342 if (current_routing->hierarchy == SURF_ROUTING_NULL)
343 current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
344 /* add to the sons dictionary */
345 xbt_dict_set(current_routing->routing_sons, AS_id,
346 (void *) new_routing, NULL);
347 /* add to the father element list */
348 (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
349 /* unload the prev parse rules */
350 if (current_routing->routing->unload)
351 (*(current_routing->routing->unload)) ();
354 THROWF(arg_error, 0, "All defined components must be belong to a AS");
356 /* set the new parse rules */
357 if (new_routing->routing->load)
358 (*(new_routing->routing->load)) ();
359 /* set the new current component of the tree */
360 current_routing = new_routing;
364 * \brief Specify that the current description of AS is finished
366 * Once you've declared all the content of your AS, you have to close
367 * it with this call. Your AS is not usable until you call this function.
369 * @fixme: this call is not as robust as wanted: bad things WILL happen
370 * if you call it twice for the same AS, or if you forget calling it, or
371 * even if you add stuff to a closed AS
374 void routing_AS_close()
377 if (current_routing == NULL) {
378 THROWF(arg_error, 0, "Close an AS, but none was under construction");
380 network_element_info_t info = NULL;
381 xbt_assert(!xbt_lib_get_or_null
382 (as_router_lib, current_routing->name, ROUTING_ASR_LEVEL),
383 "The AS \"%s\" already exists", current_routing->name);
384 info = xbt_new0(s_network_element_info_t, 1);
385 info->rc_component = current_routing->routing_father;
386 info->rc_type = SURF_NETWORK_ELEMENT_AS;
387 xbt_lib_set(as_router_lib, current_routing->name, ROUTING_ASR_LEVEL,
390 if (current_routing->routing->unload)
391 (*(current_routing->routing->unload)) ();
392 if (current_routing->routing->end)
393 (*(current_routing->routing->end)) ();
394 current_routing = current_routing->routing_father;
395 if (current_routing != NULL && current_routing->routing->load != NULL)
396 (*(current_routing->routing->load)) ();
400 /* Aux Business methods */
403 * \brief Get the AS name of the element
405 * \param name the host name
408 static char *elements_As_name(const char *name)
410 routing_component_t as_comp;
412 /* (1) find the as where the host is located */
413 as_comp = ((network_element_info_t)
414 xbt_lib_get_or_null(host_lib, name,
415 ROUTING_HOST_LEVEL))->rc_component;
416 return as_comp->name;
421 * \brief Get the AS father and the first elements of the chain
423 * \param src the source host name
424 * \param dst the destination host name
426 * Get the common father of the to processing units, and the first different
427 * father in the chain
429 static void elements_father(const char *src, const char *dst,
430 routing_component_t * res_father,
431 routing_component_t * res_src,
432 routing_component_t * res_dst)
434 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
435 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
436 routing_component_t src_as, dst_as;
437 routing_component_t path_src[ELEMENTS_FATHER_MAXDEPTH];
438 routing_component_t path_dst[ELEMENTS_FATHER_MAXDEPTH];
441 routing_component_t current;
442 routing_component_t current_src;
443 routing_component_t current_dst;
444 routing_component_t father;
446 /* (1) find the as where the src and dst are located */
447 network_element_info_t src_data = xbt_lib_get_or_null(host_lib, src,
449 network_element_info_t dst_data = xbt_lib_get_or_null(host_lib, dst,
452 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
454 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
455 src_as = src_data->rc_component;
456 dst_as = dst_data->rc_component;
458 xbt_assert(src_as && dst_as,
459 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src, dst);
461 /* (2) find the path to the root routing component */
462 for (current = src_as; current != NULL; current = current->routing_father) {
463 if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
464 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
465 path_src[index_src++] = current;
467 for (current = dst_as; current != NULL; current = current->routing_father) {
468 if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
469 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
470 path_dst[index_dst++] = current;
473 /* (3) find the common father */
475 current_src = path_src[--index_src];
476 current_dst = path_dst[--index_dst];
477 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
479 /* (4) they are not in the same routing component, make the path */
480 if (current_src == current_dst)
481 father = current_src;
483 father = path_src[index_src + 1];
485 /* (5) result generation */
486 *res_father = father; /* first the common father of src and dst */
487 *res_src = current_src; /* second the first different father of src */
488 *res_dst = current_dst; /* three the first different father of dst */
490 #undef ELEMENTS_FATHER_MAXDEPTH
493 /* Global Business methods */
496 * \brief Recursive function for get_route_latency
498 * \param src the source host name
499 * \param dst the destination host name
500 * \param *e_route the route where the links are stored
501 * \param *latency the latency, if needed
503 * This function is called by "get_route" and "get_latency". It allows to walk
504 * recursively through the routing components tree.
506 static void _get_route_latency(const char *src, const char *dst,
507 xbt_dynar_t * route, double *latency)
509 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src, dst);
510 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
512 routing_component_t common_father;
513 routing_component_t src_father;
514 routing_component_t dst_father;
515 elements_father(src, dst, &common_father, &src_father, &dst_father);
517 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
519 route_extended_t e_route = NULL;
521 e_route = common_father->get_route(common_father, src, dst);
522 xbt_assert(e_route, "no route between \"%s\" and \"%s\"", src, dst);
523 *route = e_route->generic_route.link_list;
526 *latency = common_father->get_latency(common_father, src, dst, e_route);
527 xbt_assert(*latency >= 0.0,
528 "latency error on route between \"%s\" and \"%s\"", src, dst);
531 xbt_free(e_route->src_gateway);
532 xbt_free(e_route->dst_gateway);
536 } else { /* SURF_ROUTING_RECURSIVE */
538 route_extended_t e_route_bypass = NULL;
539 if (common_father->get_bypass_route)
540 e_route_bypass = common_father->get_bypass_route(common_father, src, dst);
542 xbt_assert(!latency || !e_route_bypass,
543 "Bypass cannot work yet with get_latency");
545 route_extended_t e_route_cnt = e_route_bypass
546 ? e_route_bypass : common_father->get_route(common_father,
550 xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
551 src_father->name, dst_father->name);
553 xbt_assert((e_route_cnt->src_gateway == NULL) ==
554 (e_route_cnt->dst_gateway == NULL),
555 "bad gateway for route between \"%s\" and \"%s\"", src, dst);
558 *route = xbt_dynar_new(global_routing->size_of_link, NULL);
561 *latency = common_father->get_latency(common_father,
562 src_father->name, dst_father->name,
564 xbt_assert(*latency >= 0.0,
565 "latency error on route between \"%s\" and \"%s\"",
566 src_father->name, dst_father->name);
572 if (strcmp(src, e_route_cnt->src_gateway)) {
574 xbt_dynar_t route_src;
576 _get_route_latency(src, e_route_cnt->src_gateway,
577 (route ? &route_src : NULL),
578 (latency ? &latency_src : NULL));
580 xbt_assert(route_src, "no route between \"%s\" and \"%s\"",
581 src, e_route_cnt->src_gateway);
582 xbt_dynar_foreach(route_src, cpt, link) {
583 xbt_dynar_push(*route, &link);
585 xbt_dynar_free(&route_src);
588 xbt_assert(latency_src >= 0.0,
589 "latency error on route between \"%s\" and \"%s\"",
590 src, e_route_cnt->src_gateway);
591 *latency += latency_src;
596 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
597 xbt_dynar_push(*route, &link);
601 if (strcmp(e_route_cnt->dst_gateway, dst)) {
603 xbt_dynar_t route_dst;
605 _get_route_latency(e_route_cnt->dst_gateway, dst,
606 (route ? &route_dst : NULL),
607 (latency ? &latency_dst : NULL));
609 xbt_assert(route_dst, "no route between \"%s\" and \"%s\"",
610 e_route_cnt->dst_gateway, dst);
611 xbt_dynar_foreach(route_dst, cpt, link) {
612 xbt_dynar_push(*route, &link);
614 xbt_dynar_free(&route_dst);
617 xbt_assert(latency_dst >= 0.0,
618 "latency error on route between \"%s\" and \"%s\"",
619 e_route_cnt->dst_gateway, dst);
620 *latency += latency_dst;
624 generic_free_extended_route(e_route_cnt);
629 * \brief Generic function for get_route, get_route_no_cleanup, and get_latency
631 static void get_route_latency(const char *src, const char *dst,
632 xbt_dynar_t * route, double *latency, int cleanup)
634 _get_route_latency(src, dst, route, latency);
635 xbt_assert(!route || *route, "no route between \"%s\" and \"%s\"", src, dst);
636 xbt_assert(!latency || *latency >= 0.0,
637 "latency error on route between \"%s\" and \"%s\"", src, dst);
639 xbt_dynar_free(&global_routing->last_route);
640 global_routing->last_route = cleanup ? *route : NULL;
645 * \brief Generic method: find a route between hosts
647 * \param src the source host name
648 * \param dst the destination host name
650 * walk through the routing components tree and find a route between hosts
651 * by calling the differents "get_route" functions in each routing component.
652 * No need to free the returned dynar. It will be freed at the next call.
654 static xbt_dynar_t get_route(const char *src, const char *dst)
656 xbt_dynar_t route = NULL;
657 get_route_latency(src, dst, &route, NULL, 1);
662 * \brief Generic method: find a route between hosts
664 * \param src the source host name
665 * \param dst the destination host name
667 * same as get_route, but return NULL if any exception is raised.
669 static xbt_dynar_t get_route_or_null(const char *src, const char *dst)
671 xbt_dynar_t route = NULL;
674 get_route_latency(src, dst, &route, NULL, 1);
676 xbt_ex_free(exception);
683 * \brief Generic method: find a route between hosts
685 * \param src the source host name
686 * \param dst the destination host name
688 * walk through the routing components tree and find a route between hosts
689 * by calling the differents "get_route" functions in each routing component.
690 * Leaves the caller the responsability to clean the returned dynar.
692 static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
694 xbt_dynar_t route = NULL;
695 get_route_latency(src, dst, &route, NULL, 0);
700 static double get_latency(const char *src, const char *dst)
702 double latency = -1.0;
703 get_route_latency(src, dst, NULL, &latency, 0);
707 static int surf_parse_models_setup_already_called = 0;
708 /* Call the last initialization functions, that must be called after the
709 * <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
711 void surf_parse_models_setup()
713 if (surf_parse_models_setup_already_called)
715 surf_parse_models_setup_already_called = 1;
716 surf_config_models_setup();
721 * \brief Recursive function for finalize
723 * \param rc the source host name
725 * This fuction is call by "finalize". It allow to finalize the
726 * AS or routing components. It delete all the structures.
728 static void _finalize(routing_component_t rc)
731 xbt_dict_cursor_t cursor = NULL;
733 routing_component_t elem;
734 xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
737 xbt_dict_t tmp_sons = rc->routing_sons;
738 char *tmp_name = rc->name;
739 xbt_dict_free(&tmp_sons);
741 xbt_assert(rc->finalize, "no defined method \"finalize\" in \"%s\"",
742 current_routing->name);
743 (*(rc->finalize)) (rc);
748 * \brief Generic method: delete all the routing structures
750 * walk through the routing components tree and delete the structures
751 * by calling the differents "finalize" functions in each routing component
753 static void finalize(void)
755 /* delete recursively all the tree */
756 _finalize(global_routing->root);
757 /* delete last_route */
758 xbt_dynar_free(&(global_routing->last_route));
759 /* delete global routing structure */
760 xbt_free(global_routing);
761 /* make sure that we will reinit the models while loading the platf once reinited -- HACK but there is no proper surf_routing_init() */
762 surf_parse_models_setup_already_called = 0;
765 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
767 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
769 //adding my one link routes
772 xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
774 xbt_dynar_foreach(onelink_mine, cpt, link) {
775 xbt_dynar_push(ret, &link);
780 xbt_dict_cursor_t cursor = NULL;
781 routing_component_t rc_child;
782 xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
783 xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
785 xbt_dynar_foreach(onelink_child, cpt, link) {
786 xbt_dynar_push(ret, &link);
793 static xbt_dynar_t get_onelink_routes(void)
795 return recursive_get_onelink_routes(global_routing->root);
798 e_surf_network_element_type_t get_network_element_type(const char *name)
800 network_element_info_t rc = NULL;
802 rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
806 rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
810 return SURF_NETWORK_ELEMENT_NULL;
814 * \brief Generic method: create the global routing schema
816 * Make a global routing structure and set all the parsing functions.
818 void routing_model_create(size_t size_of_links, void *loopback)
820 /* config the uniq global routing */
821 global_routing = xbt_new0(s_routing_global_t, 1);
822 global_routing->root = NULL;
823 global_routing->get_route = get_route;
824 global_routing->get_route_or_null = get_route_or_null;
825 global_routing->get_latency = get_latency;
826 global_routing->get_route_no_cleanup = get_route_no_cleanup;
827 global_routing->get_onelink_routes = get_onelink_routes;
828 global_routing->get_route_latency = get_route_latency;
829 global_routing->get_network_element_type = get_network_element_type;
830 global_routing->finalize = finalize;
831 global_routing->loopback = loopback;
832 global_routing->size_of_link = size_of_links;
833 global_routing->last_route = NULL;
834 /* no current routing at moment */
835 current_routing = NULL;
839 /* ************************************************** */
840 /* ********** PATERN FOR NEW ROUTING **************** */
842 /* The minimal configuration of a new routing model need the next functions,
843 * also you need to set at the start of the file, the new model in the model
844 * list. Remember keep the null ending of the list.
846 /*** Routing model structure ***/
848 // s_routing_component_t generic_routing;
849 // /* things that your routing model need */
850 // } s_routing_component_NEW_t,*routing_component_NEW_t;
852 /*** Parse routing model functions ***/
853 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
854 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
855 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
856 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
857 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
859 /*** Business methods ***/
860 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
861 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
862 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
864 /*** Creation routing model functions ***/
865 // static void* model_NEW_create(void) {
866 // routing_component_NEW_t new_component = xbt_new0(s_routing_component_NEW_t,1);
867 // new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
868 // new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
869 // new_component->generic_routing.set_route = model_NEW_set_route;
870 // new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
871 // new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
872 // new_component->generic_routing.get_route = NEW_get_route;
873 // new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
874 // new_component->generic_routing.finalize = NEW_finalize;
875 // /* initialization of internal structures */
876 // return new_component;
878 // static void model_NEW_load(void) {} /* mandatory */
879 // static void model_NEW_unload(void) {} /* mandatory */
880 // static void model_NEW_end(void) {} /* mandatory */
882 /* ************************************************************************** */
883 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
885 void generic_set_processing_unit(routing_component_t rc, const char *name)
887 XBT_DEBUG("Load process unit \"%s\"", name);
888 int *id = xbt_new0(int, 1);
889 xbt_dict_t _to_index;
890 _to_index = current_routing->to_index;
891 *id = xbt_dict_length(_to_index);
892 xbt_dict_set(_to_index, name, id, xbt_free);
895 void generic_set_autonomous_system(routing_component_t rc, const char *name)
897 XBT_DEBUG("Load Autonomous system \"%s\"", name);
898 int *id = xbt_new0(int, 1);
899 xbt_dict_t _to_index;
900 _to_index = current_routing->to_index;
901 *id = xbt_dict_length(_to_index);
902 xbt_dict_set(_to_index, name, id, xbt_free);
905 int surf_pointer_resource_cmp(const void *a, const void *b)
910 int surf_link_resource_cmp(const void *a, const void *b)
912 return ! !memcmp(a, b, global_routing->size_of_link);
915 void generic_set_bypassroute(routing_component_t rc,
916 const char *src, const char *dst,
917 route_extended_t e_route)
919 XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
920 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
923 route_name = bprintf("%s#%s", src, dst);
924 xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
925 "Invalid count of links, must be greater than zero (%s,%s)",
927 xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
928 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
929 src, e_route->src_gateway, dst, e_route->dst_gateway);
931 route_extended_t new_e_route =
932 generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
933 xbt_dynar_free(&(e_route->generic_route.link_list));
936 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
937 (void (*)(void *)) generic_free_extended_route);
938 xbt_free(route_name);
941 /* ************************************************************************** */
942 /* *********************** GENERIC BUSINESS METHODS ************************* */
944 double generic_get_link_latency(routing_component_t rc,
945 const char *src, const char *dst,
946 route_extended_t route)
948 int need_to_clean = route ? 0 : 1;
951 double latency = 0.0;
953 route = route ? route : rc->get_route(rc, src, dst);
955 xbt_dynar_foreach(route->generic_route.link_list, i, link) {
956 latency += surf_network_model->extension.network.get_link_latency(link);
959 generic_free_extended_route(route);
963 xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
965 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
968 route_extended_t generic_get_bypassroute(routing_component_t rc,
969 const char *src, const char *dst)
971 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
972 routing_component_t src_as, dst_as;
973 int index_src, index_dst;
974 xbt_dynar_t path_src = NULL;
975 xbt_dynar_t path_dst = NULL;
976 routing_component_t current = NULL;
977 routing_component_t *current_src = NULL;
978 routing_component_t *current_dst = NULL;
980 /* (1) find the as where the src and dst are located */
981 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
982 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
984 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
986 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
988 if (src_data == NULL || dst_data == NULL)
989 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
992 src_as = ((network_element_info_t) src_data)->rc_component;
993 dst_as = ((network_element_info_t) dst_data)->rc_component;
995 /* (2) find the path to the root routing component */
996 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
998 while (current != NULL) {
999 xbt_dynar_push(path_src, ¤t);
1000 current = current->routing_father;
1002 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
1004 while (current != NULL) {
1005 xbt_dynar_push(path_dst, ¤t);
1006 current = current->routing_father;
1009 /* (3) find the common father */
1010 index_src = path_src->used - 1;
1011 index_dst = path_dst->used - 1;
1012 current_src = xbt_dynar_get_ptr(path_src, index_src);
1013 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1014 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
1015 xbt_dynar_pop_ptr(path_src);
1016 xbt_dynar_pop_ptr(path_dst);
1019 current_src = xbt_dynar_get_ptr(path_src, index_src);
1020 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1023 int max_index_src = path_src->used - 1;
1024 int max_index_dst = path_dst->used - 1;
1026 int max_index = max(max_index_src, max_index_dst);
1029 route_extended_t e_route_bypass = NULL;
1031 for (max = 0; max <= max_index; max++) {
1032 for (i = 0; i < max; i++) {
1033 if (i <= max_index_src && max <= max_index_dst) {
1034 char *route_name = bprintf("%s#%s",
1035 (*(routing_component_t *)
1036 (xbt_dynar_get_ptr(path_src, i)))->name,
1037 (*(routing_component_t *)
1038 (xbt_dynar_get_ptr(path_dst, max)))->name);
1039 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1040 xbt_free(route_name);
1044 if (max <= max_index_src && i <= max_index_dst) {
1045 char *route_name = bprintf("%s#%s",
1046 (*(routing_component_t *)
1047 (xbt_dynar_get_ptr(path_src, max)))->name,
1048 (*(routing_component_t *)
1049 (xbt_dynar_get_ptr(path_dst, i)))->name);
1050 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1051 xbt_free(route_name);
1060 if (max <= max_index_src && max <= max_index_dst) {
1061 char *route_name = bprintf("%s#%s",
1062 (*(routing_component_t *)
1063 (xbt_dynar_get_ptr(path_src, max)))->name,
1064 (*(routing_component_t *)
1065 (xbt_dynar_get_ptr(path_dst, max)))->name);
1066 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1067 xbt_free(route_name);
1073 xbt_dynar_free(&path_src);
1074 xbt_dynar_free(&path_dst);
1076 route_extended_t new_e_route = NULL;
1078 if (e_route_bypass) {
1080 unsigned int cpt = 0;
1081 new_e_route = xbt_new0(s_route_extended_t, 1);
1082 new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
1083 new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
1084 new_e_route->generic_route.link_list =
1085 xbt_dynar_new(global_routing->size_of_link, NULL);
1086 xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
1087 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
1094 /* ************************************************************************** */
1095 /* ************************* GENERIC AUX FUNCTIONS ************************** */
1098 generic_new_route(e_surf_routing_hierarchy_t hierarchy, void *data, int order)
1104 xbt_dynar_t links = NULL, links_id = NULL;
1106 new_route = xbt_new0(s_route_t, 1);
1107 new_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
1109 xbt_assert(hierarchy == SURF_ROUTING_BASE,
1110 "the hierarchy type is not SURF_ROUTING_BASE");
1112 links = ((route_t) data)->link_list;
1115 links_id = new_route->link_list;
1117 xbt_dynar_foreach(links, cpt, link_name) {
1119 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1122 xbt_dynar_push(links_id, &link);
1124 xbt_dynar_unshift(links_id, &link);
1126 THROWF(mismatch_error, 0, "Link %s not found", link_name);
1133 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
1134 void *data, int order)
1138 route_extended_t e_route, new_e_route;
1141 xbt_dynar_t links = NULL, links_id = NULL;
1143 new_e_route = xbt_new0(s_route_extended_t, 1);
1144 new_e_route->generic_route.link_list =
1145 xbt_dynar_new(global_routing->size_of_link, NULL);
1146 new_e_route->src_gateway = NULL;
1147 new_e_route->dst_gateway = NULL;
1149 xbt_assert(hierarchy == SURF_ROUTING_BASE
1150 || hierarchy == SURF_ROUTING_RECURSIVE,
1151 "the hierarchy type is not defined");
1153 if (hierarchy == SURF_ROUTING_BASE) {
1155 route = (route_t) data;
1156 links = route->link_list;
1158 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
1160 e_route = (route_extended_t) data;
1161 xbt_assert(e_route->src_gateway
1162 && e_route->dst_gateway, "bad gateway, is null");
1163 links = e_route->generic_route.link_list;
1165 /* remeber not erase the gateway names */
1166 new_e_route->src_gateway = strdup(e_route->src_gateway);
1167 new_e_route->dst_gateway = strdup(e_route->dst_gateway);
1170 links_id = new_e_route->generic_route.link_list;
1172 xbt_dynar_foreach(links, cpt, link_name) {
1174 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1177 xbt_dynar_push(links_id, &link);
1179 xbt_dynar_unshift(links_id, &link);
1181 THROWF(mismatch_error, 0, "Link %s not found", link_name);
1187 void generic_free_route(route_t route)
1190 xbt_dynar_free(&(route->link_list));
1195 void generic_free_extended_route(route_extended_t e_route)
1198 xbt_dynar_free(&(e_route->generic_route.link_list));
1199 xbt_free(e_route->src_gateway);
1200 xbt_free(e_route->dst_gateway);
1205 static routing_component_t generic_as_exist(routing_component_t find_from,
1206 routing_component_t to_find)
1208 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1209 xbt_dict_cursor_t cursor = NULL;
1212 routing_component_t elem;
1213 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
1214 if (to_find == elem || generic_as_exist(elem, to_find)) {
1225 generic_autonomous_system_exist(routing_component_t rc, char *element)
1227 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1228 routing_component_t element_as, result, elem;
1229 xbt_dict_cursor_t cursor = NULL;
1231 element_as = ((network_element_info_t)
1232 xbt_lib_get_or_null(as_router_lib, element,
1233 ROUTING_ASR_LEVEL))->rc_component;
1234 result = ((routing_component_t) - 1);
1235 if (element_as != rc)
1236 result = generic_as_exist(rc, element_as);
1240 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
1241 found = !strcmp(elem->name, element);
1252 generic_processing_units_exist(routing_component_t rc, char *element)
1254 routing_component_t element_as;
1255 element_as = ((network_element_info_t)
1256 xbt_lib_get_or_null(host_lib,
1257 element, ROUTING_HOST_LEVEL))->rc_component;
1258 if (element_as == rc)
1260 return generic_as_exist(rc, element_as);
1263 void generic_src_dst_check(routing_component_t rc, const char *src,
1267 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
1268 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
1270 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
1272 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
1274 if (src_data == NULL || dst_data == NULL)
1275 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1276 src, dst, rc->name);
1278 routing_component_t src_as =
1279 ((network_element_info_t) src_data)->rc_component;
1280 routing_component_t dst_as =
1281 ((network_element_info_t) dst_data)->rc_component;
1283 if (src_as != dst_as)
1284 xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
1285 src, src_as->name, dst, dst_as->name);
1288 ("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
1289 src, dst, src_as->name, dst_as->name, rc->name);
1292 static void routing_parse_cluster(void)
1294 char *host_id, *groups, *link_id = NULL;
1296 s_sg_platf_host_cbarg_t host;
1297 s_sg_platf_link_cbarg_t link;
1299 if (strcmp(struct_cluster->availability_trace, "")
1300 || strcmp(struct_cluster->state_trace, "")) {
1301 if (xbt_dict_size(patterns) == 0)
1302 patterns = xbt_dict_new();
1303 xbt_dict_set(patterns, "id", xbt_strdup(struct_cluster->id), free);
1304 xbt_dict_set(patterns, "prefix", xbt_strdup(struct_cluster->prefix), free);
1305 xbt_dict_set(patterns, "suffix", xbt_strdup(struct_cluster->suffix), free);
1310 xbt_dynar_t radical_elements;
1311 xbt_dynar_t radical_ends;
1313 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", struct_cluster->id);
1314 sg_platf_new_AS_open(struct_cluster->id, "Cluster");
1317 radical_elements = xbt_str_split(struct_cluster->radical, ",");
1318 xbt_dynar_foreach(radical_elements, iter, groups) {
1319 memset(&host, 0, sizeof(host));
1321 radical_ends = xbt_str_split(groups, "-");
1322 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1324 switch (xbt_dynar_length(radical_ends)) {
1329 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1332 surf_parse_error("Malformed radical");
1335 for (i = start; i <= end; i++) {
1337 bprintf("%s%d%s", struct_cluster->prefix, i, struct_cluster->suffix);
1338 link_id = bprintf("%s_link_%d", struct_cluster->id, i);
1340 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id,
1341 struct_cluster->power);
1343 if (strcmp(struct_cluster->availability_trace, "")) {
1344 xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
1345 char *tmp_availability_file =
1346 xbt_strdup(struct_cluster->availability_trace);
1347 xbt_str_varsubst(tmp_availability_file, patterns);
1348 XBT_DEBUG("\tavailability_file=\"%s\"", tmp_availability_file);
1349 host.power_trace = tmgr_trace_new(tmp_availability_file);
1350 xbt_free(tmp_availability_file);
1352 XBT_DEBUG("\tavailability_file=\"\"");
1354 if (strcmp(struct_cluster->state_trace, "")) {
1355 char *tmp_state_file = xbt_strdup(struct_cluster->state_trace);
1356 xbt_str_varsubst(tmp_state_file, patterns);
1357 XBT_DEBUG("\tstate_file=\"%s\"", tmp_state_file);
1358 host.state_trace = tmgr_trace_new(tmp_state_file);
1359 xbt_free(tmp_state_file);
1361 XBT_DEBUG("\tstate_file=\"\"");
1364 host.power_peak = struct_cluster->power;
1365 host.power_scale = 1.0;
1366 host.core_amount = struct_cluster->core_amount;
1367 host.initial_state = SURF_RESOURCE_ON;
1369 sg_platf_new_host(&host);
1370 XBT_DEBUG("</host>");
1372 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
1373 struct_cluster->bw, struct_cluster->lat);
1375 memset(&link, 0, sizeof(link));
1377 link.bandwidth = struct_cluster->bw;
1378 link.latency = struct_cluster->lat;
1379 link.state = SURF_RESOURCE_ON;
1381 switch (struct_cluster->sharing_policy) {
1382 case A_surfxml_cluster_sharing_policy_SHARED:
1383 link.policy = SURF_LINK_SHARED;
1385 case A_surfxml_cluster_sharing_policy_FULLDUPLEX:
1386 link.policy = SURF_LINK_FULLDUPLEX;
1388 case A_surfxml_cluster_sharing_policy_FATPIPE:
1389 link.policy = SURF_LINK_FATPIPE;
1392 surf_parse_error(bprintf
1393 ("Invalid cluster sharing policy for cluster %s",
1394 struct_cluster->id));
1397 sg_platf_new_link(&link);
1399 surf_parsing_link_up_down_t info =
1400 xbt_new0(s_surf_parsing_link_up_down_t, 1);
1401 if (link.policy == SURF_LINK_FULLDUPLEX) {
1402 char *tmp_link = bprintf("%s_UP", link_id);
1404 xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1406 tmp_link = bprintf("%s_DOWN", link_id);
1408 xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1411 info->link_up = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL);
1412 info->link_down = info->link_up;
1414 surf_routing_cluster_add_link(host_id, info);
1420 xbt_dynar_free(&radical_ends);
1422 xbt_dynar_free(&radical_elements);
1424 // 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
1426 XBT_DEBUG("<router id=\"%s\"/>", struct_cluster->router_id);
1427 s_sg_platf_router_cbarg_t router;
1429 memset(&router, 0, sizeof(router));
1430 router.id = struct_cluster->router_id;
1432 if (!router.id || !strcmp(router.id, ""))
1434 bprintf("%s%s_router%s", struct_cluster->prefix, struct_cluster->id,
1435 struct_cluster->suffix);
1436 sg_platf_new_router(&router);
1440 if ((struct_cluster->bb_bw != 0) && (struct_cluster->bb_lat != 0)) {
1441 char *link_backbone = bprintf("%s_backbone", struct_cluster->id);
1442 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
1443 struct_cluster->bb_bw, struct_cluster->bb_lat);
1445 memset(&link, 0, sizeof(link));
1446 link.id = link_backbone;
1447 link.bandwidth = struct_cluster->bb_bw;
1448 link.latency = struct_cluster->bb_lat;
1449 link.state = SURF_RESOURCE_ON;
1451 switch (struct_cluster->bb_sharing_policy) {
1452 case A_surfxml_cluster_bb_sharing_policy_FATPIPE:
1453 link.policy = SURF_LINK_FATPIPE;
1455 case A_surfxml_cluster_bb_sharing_policy_SHARED:
1456 link.policy = SURF_LINK_SHARED;
1459 surf_parse_error(bprintf
1460 ("Invalid bb sharing policy in cluster %s",
1461 struct_cluster->id));
1465 sg_platf_new_link(&link);
1467 surf_parsing_link_up_down_t info =
1468 xbt_new0(s_surf_parsing_link_up_down_t, 1);
1470 xbt_lib_get_or_null(link_lib, link_backbone, SURF_LINK_LEVEL);
1471 info->link_down = info->link_up;
1472 surf_routing_cluster_add_link(struct_cluster->id, info);
1474 free(link_backbone);
1479 char *new_suffix = xbt_strdup("");
1481 radical_elements = xbt_str_split(struct_cluster->suffix, ".");
1482 xbt_dynar_foreach(radical_elements, iter, groups) {
1483 if (strcmp(groups, "")) {
1484 char *old_suffix = new_suffix;
1485 new_suffix = bprintf("%s\\.%s", old_suffix, groups);
1490 xbt_dynar_free(&radical_elements);
1491 xbt_free(new_suffix);
1493 if (strcmp(struct_cluster->availability_trace, "")
1494 || strcmp(struct_cluster->state_trace, ""))
1495 xbt_dict_free(&patterns);
1498 sg_platf_new_AS_close();
1503 * This function take a string and replace parameters from patterns dict.
1504 * It returns the new value.
1506 static char *replace_random_parameter(char *string)
1508 char *test_string = NULL;
1510 if (xbt_dict_size(random_value) == 0)
1513 string = xbt_str_varsubst(string, patterns); // for patterns of cluster
1514 test_string = bprintf("${%s}", string);
1515 test_string = xbt_str_varsubst(test_string, random_value); //Add ${xxxxx} for random Generator
1517 if (strcmp(test_string, "")) { //if not empty, keep this value.
1519 string = test_string;
1520 } //In other case take old value (without ${})
1526 static void routing_parse_postparse(void)
1528 xbt_dict_free(&random_value);
1529 xbt_dict_free(&patterns);
1532 static void routing_parse_peer(sg_platf_peer_cbarg_t peer)
1534 static int AX_ptr = 0;
1535 char *host_id = NULL;
1536 char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
1538 static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1539 static unsigned int surfxml_buffer_stack_stack[1024];
1541 surfxml_buffer_stack_stack[0] = 0;
1543 surfxml_bufferstack_push(1);
1545 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", peer->id);
1546 sg_platf_new_AS_open(peer->id, "Full");
1549 host_id = HOST_PEER(peer->id);
1550 router_id = ROUTER_PEER(peer->id);
1551 link_id_up = LINK_UP_PEER(peer->id);
1552 link_id_down = LINK_DOWN_PEER(peer->id);
1554 link_router = bprintf("%s_link_router", peer->id);
1555 link_backbone = bprintf("%s_backbone", peer->id);
1557 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->power);
1558 s_sg_platf_host_cbarg_t host;
1559 memset(&host, 0, sizeof(host));
1560 host.initial_state = SURF_RESOURCE_ON;
1562 host.power_peak = peer->power;
1563 host.power_scale = 1.0;
1564 host.power_trace = peer->availability_trace;
1565 host.state_trace = peer->state_trace;
1566 host.core_amount = 1;
1567 sg_platf_new_host(&host);
1570 XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer->coord);
1571 s_sg_platf_router_cbarg_t router;
1572 memset(&router, 0, sizeof(router));
1573 router.id = router_id;
1574 router.coord = peer->coord;
1575 sg_platf_new_router(&router);
1577 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_up,
1578 peer->bw_in, peer->lat);
1579 s_sg_platf_link_cbarg_t link;
1580 memset(&link, 0, sizeof(link));
1581 link.state = SURF_RESOURCE_ON;
1582 link.policy = SURF_LINK_SHARED;
1583 link.id = link_id_up;
1584 link.bandwidth = peer->bw_in;
1585 link.latency = peer->lat;
1586 sg_platf_new_link(&link);
1588 // FIXME: dealing with full duplex is not the role of this piece of code, I'd say [Mt]
1589 // Instead, it should be created fullduplex, and the models will do what's needed in this case
1590 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_down,
1591 peer->bw_out, peer->lat);
1592 link.id = link_id_down;
1593 sg_platf_new_link(&link);
1598 XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", host_id, router_id);
1599 XBT_DEBUG("symmetrical=\"NO\">");
1600 SURFXML_BUFFER_SET(route_src, host_id);
1601 SURFXML_BUFFER_SET(route_dst, router_id);
1602 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1603 SURFXML_START_TAG(route);
1605 XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
1606 SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
1607 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1608 SURFXML_START_TAG(link_ctn);
1609 SURFXML_END_TAG(link_ctn);
1611 XBT_DEBUG("</route>");
1612 SURFXML_END_TAG(route);
1615 XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, host_id);
1616 XBT_DEBUG("symmetrical=\"NO\">");
1617 SURFXML_BUFFER_SET(route_src, router_id);
1618 SURFXML_BUFFER_SET(route_dst, host_id);
1619 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1620 SURFXML_START_TAG(route);
1622 XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
1623 SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
1624 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1625 SURFXML_START_TAG(link_ctn);
1626 SURFXML_END_TAG(link_ctn);
1628 XBT_DEBUG("</route>");
1629 SURFXML_END_TAG(route);
1632 sg_platf_new_AS_close();
1635 //xbt_dynar_free(&tab_elements_num);
1639 free(link_backbone);
1642 surfxml_bufferstack_pop(1);
1645 static void routing_parse_Srandom(void)
1647 double mean, std, min, max, seed;
1648 char *random_id = A_surfxml_random_id;
1649 char *random_radical = A_surfxml_random_radical;
1650 char *rd_name = NULL;
1652 mean = surf_parse_get_double(A_surfxml_random_mean);
1653 std = surf_parse_get_double(A_surfxml_random_std_deviation);
1654 min = surf_parse_get_double(A_surfxml_random_min);
1655 max = surf_parse_get_double(A_surfxml_random_max);
1656 seed = surf_parse_get_double(A_surfxml_random_seed);
1660 random_data_t random = xbt_new0(s_random_data_t, 1);
1663 xbt_dynar_t radical_elements;
1667 xbt_dynar_t radical_ends;
1669 random->generator = A_surfxml_random_generator;
1670 random->seed = seed;
1674 /* Check user stupidities */
1676 THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
1678 THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
1680 THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
1682 /* normalize the mean and standard deviation before storing */
1683 random->mean = (mean - min) / (max - min);
1684 random->std = std / (max - min);
1686 if (random->mean * (1 - random->mean) < random->std * random->std)
1687 THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
1688 random->mean, random->std);
1691 ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
1692 random_id, random->min, random->max, random->mean, random->std,
1693 random->generator, random->seed, random_radical);
1695 if (xbt_dict_size(random_value) == 0)
1696 random_value = xbt_dict_new();
1698 if (!strcmp(random_radical, "")) {
1699 res = random_generate(random);
1700 rd_value = bprintf("%f", res);
1701 xbt_dict_set(random_value, random_id, rd_value, free);
1703 radical_elements = xbt_str_split(random_radical, ",");
1704 xbt_dynar_foreach(radical_elements, iter, groups) {
1705 radical_ends = xbt_str_split(groups, "-");
1706 switch (xbt_dynar_length(radical_ends)) {
1708 xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1709 "Custom Random '%s' already exists !", random_id);
1710 res = random_generate(random);
1712 bprintf("%s%d", random_id,
1713 atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
1714 xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free);
1719 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1720 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1721 for (i = start; i <= end; i++) {
1722 xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1723 "Custom Random '%s' already exists !", bprintf("%s%d",
1726 res = random_generate(random);
1727 tmpbuf = bprintf("%s%d", random_id, i);
1728 xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free);
1733 XBT_INFO("Malformed radical");
1736 res = random_generate(random);
1737 rd_name = bprintf("%s_router", random_id);
1738 rd_value = bprintf("%f", res);
1739 xbt_dict_set(random_value, rd_name, rd_value, free);
1741 xbt_dynar_free(&radical_ends);
1744 xbt_dynar_free(&radical_elements);
1748 void routing_register_callbacks()
1750 sg_platf_host_add_cb(parse_S_host);
1751 sg_platf_router_add_cb(parse_S_router);
1753 surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
1755 surfxml_add_callback(STag_surfxml_route_cb_list, &routing_parse_S_route);
1756 surfxml_add_callback(STag_surfxml_ASroute_cb_list, &routing_parse_S_ASroute);
1757 surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
1758 &routing_parse_S_bypassRoute);
1760 surfxml_add_callback(ETag_surfxml_link_ctn_cb_list, &routing_parse_link_ctn);
1762 surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_parse_E_route);
1763 surfxml_add_callback(ETag_surfxml_ASroute_cb_list, &routing_parse_E_ASroute);
1764 surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
1765 &routing_parse_E_bypassRoute);
1767 surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_parse_cluster);
1769 sg_platf_peer_add_cb(routing_parse_peer);
1770 sg_platf_postparse_add_cb(routing_parse_postparse);
1773 instr_routing_define_callbacks();