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, model_full_load, model_full_unload, model_full_end},
76 "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
77 model_floyd_create, model_floyd_load, model_floyd_unload, model_floyd_end},
79 "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
80 model_dijkstra_create, model_dijkstra_both_load,
81 model_dijkstra_both_unload, model_dijkstra_both_end},
83 "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
84 model_dijkstracache_create, model_dijkstra_both_load,
85 model_dijkstra_both_unload, model_dijkstra_both_end},
86 {"none", "No routing (usable with Constant network only)",
87 model_none_create, model_none_load, model_none_unload, model_none_end},
88 {"RuleBased", "Rule-Based routing data (...)",
89 model_rulebased_create, model_none_load, model_none_unload, model_none_end},
90 {"Vivaldi", "Vivaldi routing",
91 model_vivaldi_create, model_none_load, model_none_unload, model_none_end},
92 {"Cluster", "Cluster routing",
93 model_cluster_create, model_none_load, model_cluster_unload, model_none_end},
94 {NULL, NULL, NULL, NULL, NULL, NULL}
98 * \brief Add a "host" to the network element list
100 static void parse_S_host(sg_platf_host_cbarg_t host)
102 network_element_info_t info = NULL;
103 if (current_routing->hierarchy == SURF_ROUTING_NULL)
104 current_routing->hierarchy = SURF_ROUTING_BASE;
105 xbt_assert(!xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL),
106 "Reading a host, processing unit \"%s\" already exists", host->id);
107 xbt_assert(current_routing->set_processing_unit,
108 "no defined method \"set_processing_unit\" in \"%s\"",
109 current_routing->name);
110 (*(current_routing->set_processing_unit)) (current_routing, host->id);
111 info = xbt_new0(s_network_element_info_t, 1);
112 info->rc_component = current_routing;
113 info->rc_type = SURF_NETWORK_ELEMENT_HOST;
114 xbt_lib_set(host_lib, host->id, ROUTING_HOST_LEVEL, (void *) info);
115 if (host->coord && strcmp(host->coord, "")) {
116 if (!COORD_HOST_LEVEL)
118 ("To use coordinates, you must set configuration 'coordinates' to 'yes'");
119 xbt_dynar_t ctn = xbt_str_split_str(host->coord, " ");
120 xbt_dynar_shrink(ctn, 0);
121 xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn);
126 * \brief Add a "router" to the network element list
128 static void parse_S_router(sg_platf_router_cbarg_t router)
130 network_element_info_t info = NULL;
131 if (current_routing->hierarchy == SURF_ROUTING_NULL)
132 current_routing->hierarchy = SURF_ROUTING_BASE;
133 xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
134 "Reading a router, processing unit \"%s\" already exists",
136 xbt_assert(current_routing->set_processing_unit,
137 "no defined method \"set_processing_unit\" in \"%s\"",
138 current_routing->name);
139 (*(current_routing->set_processing_unit)) (current_routing, router->id);
140 info = xbt_new0(s_network_element_info_t, 1);
141 info->rc_component = current_routing;
142 info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
144 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
145 if (strcmp(router->coord, "")) {
146 if (!COORD_ASR_LEVEL)
148 ("To use coordinates, you must set configuration 'coordinates' to 'yes'");
149 xbt_dynar_t ctn = xbt_str_split_str(router->coord, " ");
150 xbt_dynar_shrink(ctn, 0);
151 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
157 * \brief Set the end points for a route
159 static void routing_parse_S_route(void)
161 if (src != NULL && dst != NULL && link_list != NULL)
162 THROWF(arg_error, 0, "Route between %s to %s can not be defined",
163 A_surfxml_route_src, A_surfxml_route_dst);
164 src = A_surfxml_route_src;
165 dst = A_surfxml_route_dst;
166 xbt_assert(strlen(src) > 0 || strlen(dst) > 0,
167 "Some limits are null in the route between \"%s\" and \"%s\"",
169 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
173 * \brief Set the end points and gateways for a ASroute
175 static void routing_parse_S_ASroute(void)
177 if (src != NULL && dst != NULL && link_list != NULL)
178 THROWF(arg_error, 0, "Route between %s to %s can not be defined",
179 A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
180 src = A_surfxml_ASroute_src;
181 dst = A_surfxml_ASroute_dst;
182 gw_src = A_surfxml_ASroute_gw_src;
183 gw_dst = A_surfxml_ASroute_gw_dst;
184 xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
185 || strlen(gw_dst) > 0,
186 "Some limits are null in the route between \"%s\" and \"%s\"",
188 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
192 * \brief Set the end points for a bypassRoute
194 static void routing_parse_S_bypassRoute(void)
196 if (src != NULL && dst != NULL && link_list != NULL)
198 "Bypass Route between %s to %s can not be defined",
199 A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
200 src = A_surfxml_bypassRoute_src;
201 dst = A_surfxml_bypassRoute_dst;
202 gw_src = A_surfxml_bypassRoute_gw_src;
203 gw_dst = A_surfxml_bypassRoute_gw_dst;
204 xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
205 || strlen(gw_dst) > 0,
206 "Some limits are null in the route between \"%s\" and \"%s\"",
208 link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
212 * \brief Set a new link on the actual list of link for a route or ASroute from XML
215 static void routing_parse_link_ctn(void)
218 switch (A_surfxml_link_ctn_direction) {
219 case AU_surfxml_link_ctn_direction:
220 case A_surfxml_link_ctn_direction_NONE:
221 link_id = xbt_strdup(A_surfxml_link_ctn_id);
223 case A_surfxml_link_ctn_direction_UP:
224 link_id = bprintf("%s_UP", A_surfxml_link_ctn_id);
226 case A_surfxml_link_ctn_direction_DOWN:
227 link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
230 xbt_dynar_push(link_list, &link_id);
234 * \brief Store the route by calling the set_route function of the current routing component
236 static void routing_parse_E_route(void)
238 name_route_extended_t route = xbt_new0(s_name_route_extended_t, 1);
239 route->generic_route.link_list = link_list;
240 xbt_assert(current_routing->set_route,
241 "no defined method \"set_route\" in \"%s\"",
242 current_routing->name);
243 (*(current_routing->set_route)) (current_routing, src, dst, route);
250 * \brief Store the ASroute by calling the set_ASroute function of the current routing component
252 static void routing_parse_E_ASroute(void)
254 name_route_extended_t e_route = xbt_new0(s_name_route_extended_t, 1);
255 e_route->generic_route.link_list = link_list;
256 e_route->src_gateway = xbt_strdup(gw_src);
257 e_route->dst_gateway = xbt_strdup(gw_dst);
258 xbt_assert(current_routing->set_ASroute,
259 "no defined method \"set_ASroute\" in \"%s\"",
260 current_routing->name);
261 (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
270 * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
272 static void routing_parse_E_bypassRoute(void)
274 route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
275 e_route->generic_route.link_list = link_list;
276 e_route->src_gateway = xbt_strdup(gw_src);
277 e_route->dst_gateway = xbt_strdup(gw_dst);
278 xbt_assert(current_routing->set_bypassroute,
279 "Bypassing mechanism not implemented by routing '%s'",
280 current_routing->name);
281 (*(current_routing->set_bypassroute)) (current_routing, src, dst, e_route);
290 * \brief Make a new routing component to the platform
292 * Add a new autonomous system to the platform. Any elements (such as host,
293 * router or sub-AS) added after this call and before the corresponding call
294 * to sg_platf_new_AS_close() will be added to this AS.
296 * Once this function was called, the configuration concerning the used
297 * models cannot be changed anymore.
299 * @param AS_id name of this autonomous system. Must be unique in the platform
300 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
302 void routing_AS_open(const char *AS_id, const char *wanted_routing_type)
304 routing_component_t new_routing;
305 model_type_t model = NULL;
308 surf_parse_models_setup(); /* ensure that the models are created after the last <config> tag and before the first <AS>-like */
310 /* search the routing model */
311 for (cpt = 0; routing_models[cpt].name; cpt++)
312 if (!strcmp(wanted_routing_type, routing_models[cpt].name))
313 model = &routing_models[cpt];
314 /* if its not exist, error */
316 fprintf(stderr, "Routing model %s not found. Existing models:\n",
317 wanted_routing_type);
318 for (cpt = 0; routing_models[cpt].name; cpt++)
319 fprintf(stderr, " %s: %s\n", routing_models[cpt].name,
320 routing_models[cpt].desc);
324 /* make a new routing component */
325 new_routing = (routing_component_t) (*(model->create)) ();
326 new_routing->routing = model;
327 new_routing->hierarchy = SURF_ROUTING_NULL;
328 new_routing->name = xbt_strdup(AS_id);
329 new_routing->routing_sons = xbt_dict_new();
331 if (current_routing == NULL && global_routing->root == NULL) {
333 /* it is the first one */
334 new_routing->routing_father = NULL;
335 global_routing->root = new_routing;
337 } else if (current_routing != NULL && global_routing->root != NULL) {
339 xbt_assert(!xbt_dict_get_or_null
340 (current_routing->routing_sons, AS_id),
341 "The AS \"%s\" already exists", AS_id);
342 /* it is a part of the tree */
343 new_routing->routing_father = current_routing;
344 /* set the father behavior */
345 if (current_routing->hierarchy == SURF_ROUTING_NULL)
346 current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
347 /* add to the sons dictionary */
348 xbt_dict_set(current_routing->routing_sons, AS_id,
349 (void *) new_routing, NULL);
350 /* add to the father element list */
351 (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
352 /* unload the prev parse rules */
353 (*(current_routing->routing->unload)) ();
356 THROWF(arg_error, 0, "All defined components must be belong to a AS");
358 /* set the new parse rules */
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 (*(current_routing->routing->unload)) ();
392 (*(current_routing->routing->end)) ();
393 current_routing = current_routing->routing_father;
394 if (current_routing != NULL)
395 (*(current_routing->routing->load)) ();
399 /* Aux Business methods */
402 * \brief Get the AS name of the element
404 * \param name the host name
407 static char *elements_As_name(const char *name)
409 routing_component_t as_comp;
411 /* (1) find the as where the host is located */
412 as_comp = ((network_element_info_t)
413 xbt_lib_get_or_null(host_lib, name,
414 ROUTING_HOST_LEVEL))->rc_component;
415 return as_comp->name;
420 * \brief Get the AS father and the first elements of the chain
422 * \param src the source host name
423 * \param dst the destination host name
425 * Get the common father of the to processing units, and the first different
426 * father in the chain
428 static void elements_father(const char *src, const char *dst,
429 routing_component_t * res_father,
430 routing_component_t * res_src,
431 routing_component_t * res_dst)
433 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
434 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
435 routing_component_t src_as, dst_as;
436 routing_component_t path_src[ELEMENTS_FATHER_MAXDEPTH];
437 routing_component_t path_dst[ELEMENTS_FATHER_MAXDEPTH];
440 routing_component_t current;
441 routing_component_t current_src;
442 routing_component_t current_dst;
443 routing_component_t father;
445 /* (1) find the as where the src and dst are located */
446 network_element_info_t src_data = xbt_lib_get_or_null(host_lib, src,
448 network_element_info_t dst_data = xbt_lib_get_or_null(host_lib, dst,
451 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
453 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
454 src_as = src_data->rc_component;
455 dst_as = dst_data->rc_component;
457 xbt_assert(src_as && dst_as,
458 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src, dst);
460 /* (2) find the path to the root routing component */
461 for (current = src_as; current != NULL; current = current->routing_father) {
462 if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
463 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
464 path_src[index_src++] = current;
466 for (current = dst_as; current != NULL; current = current->routing_father) {
467 if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
468 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
469 path_dst[index_dst++] = current;
472 /* (3) find the common father */
474 current_src = path_src[--index_src];
475 current_dst = path_dst[--index_dst];
476 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
478 /* (4) they are not in the same routing component, make the path */
479 if (current_src == current_dst)
480 father = current_src;
482 father = path_src[index_src + 1];
484 /* (5) result generation */
485 *res_father = father; /* first the common father of src and dst */
486 *res_src = current_src; /* second the first different father of src */
487 *res_dst = current_dst; /* three the first different father of dst */
489 #undef ELEMENTS_FATHER_MAXDEPTH
492 /* Global Business methods */
495 * \brief Recursive function for get_route_latency
497 * \param src the source host name
498 * \param dst the destination host name
499 * \param *e_route the route where the links are stored
500 * \param *latency the latency, if needed
502 * This function is called by "get_route" and "get_latency". It allows to walk
503 * recursively through the routing components tree.
505 static void _get_route_latency(const char *src, const char *dst,
506 xbt_dynar_t * route, double *latency)
508 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src, dst);
509 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
511 routing_component_t common_father;
512 routing_component_t src_father;
513 routing_component_t dst_father;
514 elements_father(src, dst, &common_father, &src_father, &dst_father);
516 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
518 route_extended_t e_route = NULL;
520 e_route = common_father->get_route(common_father, src, dst);
521 xbt_assert(e_route, "no route between \"%s\" and \"%s\"", src, dst);
522 *route = e_route->generic_route.link_list;
525 *latency = common_father->get_latency(common_father, src, dst, e_route);
526 xbt_assert(*latency >= 0.0,
527 "latency error on route between \"%s\" and \"%s\"", src, dst);
530 xbt_free(e_route->src_gateway);
531 xbt_free(e_route->dst_gateway);
535 } else { /* SURF_ROUTING_RECURSIVE */
537 route_extended_t e_route_bypass = NULL;
538 if (common_father->get_bypass_route)
539 e_route_bypass = common_father->get_bypass_route(common_father, src, dst);
541 xbt_assert(!latency || !e_route_bypass,
542 "Bypass cannot work yet with get_latency");
544 route_extended_t e_route_cnt = e_route_bypass
545 ? e_route_bypass : common_father->get_route(common_father,
549 xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
550 src_father->name, dst_father->name);
552 xbt_assert((e_route_cnt->src_gateway == NULL) ==
553 (e_route_cnt->dst_gateway == NULL),
554 "bad gateway for route between \"%s\" and \"%s\"", src, dst);
557 *route = xbt_dynar_new(global_routing->size_of_link, NULL);
560 *latency = common_father->get_latency(common_father,
561 src_father->name, dst_father->name,
563 xbt_assert(*latency >= 0.0,
564 "latency error on route between \"%s\" and \"%s\"",
565 src_father->name, dst_father->name);
571 if (strcmp(src, e_route_cnt->src_gateway)) {
573 xbt_dynar_t route_src;
575 _get_route_latency(src, e_route_cnt->src_gateway,
576 (route ? &route_src : NULL),
577 (latency ? &latency_src : NULL));
579 xbt_assert(route_src, "no route between \"%s\" and \"%s\"",
580 src, e_route_cnt->src_gateway);
581 xbt_dynar_foreach(route_src, cpt, link) {
582 xbt_dynar_push(*route, &link);
584 xbt_dynar_free(&route_src);
587 xbt_assert(latency_src >= 0.0,
588 "latency error on route between \"%s\" and \"%s\"",
589 src, e_route_cnt->src_gateway);
590 *latency += latency_src;
595 xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
596 xbt_dynar_push(*route, &link);
600 if (strcmp(e_route_cnt->dst_gateway, dst)) {
602 xbt_dynar_t route_dst;
604 _get_route_latency(e_route_cnt->dst_gateway, dst,
605 (route ? &route_dst : NULL),
606 (latency ? &latency_dst : NULL));
608 xbt_assert(route_dst, "no route between \"%s\" and \"%s\"",
609 e_route_cnt->dst_gateway, dst);
610 xbt_dynar_foreach(route_dst, cpt, link) {
611 xbt_dynar_push(*route, &link);
613 xbt_dynar_free(&route_dst);
616 xbt_assert(latency_dst >= 0.0,
617 "latency error on route between \"%s\" and \"%s\"",
618 e_route_cnt->dst_gateway, dst);
619 *latency += latency_dst;
623 generic_free_extended_route(e_route_cnt);
628 * \brief Generic function for get_route, get_route_no_cleanup, and get_latency
630 static void get_route_latency(const char *src, const char *dst,
631 xbt_dynar_t * route, double *latency, int cleanup)
633 _get_route_latency(src, dst, route, latency);
634 xbt_assert(!route || *route, "no route between \"%s\" and \"%s\"", src, dst);
635 xbt_assert(!latency || *latency >= 0.0,
636 "latency error on route between \"%s\" and \"%s\"", src, dst);
638 xbt_dynar_free(&global_routing->last_route);
639 global_routing->last_route = cleanup ? *route : NULL;
644 * \brief Generic method: find a route between hosts
646 * \param src the source host name
647 * \param dst the destination host name
649 * walk through the routing components tree and find a route between hosts
650 * by calling the differents "get_route" functions in each routing component.
651 * No need to free the returned dynar. It will be freed at the next call.
653 static xbt_dynar_t get_route(const char *src, const char *dst)
655 xbt_dynar_t route = NULL;
656 get_route_latency(src, dst, &route, NULL, 1);
661 * \brief Generic method: find a route between hosts
663 * \param src the source host name
664 * \param dst the destination host name
666 * same as get_route, but return NULL if any exception is raised.
668 static xbt_dynar_t get_route_or_null(const char *src, const char *dst)
670 xbt_dynar_t route = NULL;
673 get_route_latency(src, dst, &route, NULL, 1);
675 xbt_ex_free(exception);
682 * \brief Generic method: find a route between hosts
684 * \param src the source host name
685 * \param dst the destination host name
687 * walk through the routing components tree and find a route between hosts
688 * by calling the differents "get_route" functions in each routing component.
689 * Leaves the caller the responsability to clean the returned dynar.
691 static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
693 xbt_dynar_t route = NULL;
694 get_route_latency(src, dst, &route, NULL, 0);
699 static double get_latency(const char *src, const char *dst)
701 double latency = -1.0;
702 get_route_latency(src, dst, NULL, &latency, 0);
706 static int surf_parse_models_setup_already_called = 0;
707 /* Call the last initialization functions, that must be called after the
708 * <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
710 void surf_parse_models_setup()
712 if (surf_parse_models_setup_already_called)
714 surf_parse_models_setup_already_called = 1;
715 surf_config_models_setup();
720 * \brief Recursive function for finalize
722 * \param rc the source host name
724 * This fuction is call by "finalize". It allow to finalize the
725 * AS or routing components. It delete all the structures.
727 static void _finalize(routing_component_t rc)
730 xbt_dict_cursor_t cursor = NULL;
732 routing_component_t elem;
733 xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
736 xbt_dict_t tmp_sons = rc->routing_sons;
737 char *tmp_name = rc->name;
738 xbt_dict_free(&tmp_sons);
740 xbt_assert(rc->finalize, "no defined method \"finalize\" in \"%s\"",
741 current_routing->name);
742 (*(rc->finalize)) (rc);
747 * \brief Generic method: delete all the routing structures
749 * walk through the routing components tree and delete the structures
750 * by calling the differents "finalize" functions in each routing component
752 static void finalize(void)
754 /* delete recursively all the tree */
755 _finalize(global_routing->root);
756 /* delete last_route */
757 xbt_dynar_free(&(global_routing->last_route));
758 /* delete global routing structure */
759 xbt_free(global_routing);
760 /* make sure that we will reinit the models while loading the platf once reinited -- HACK but there is no proper surf_routing_init() */
761 surf_parse_models_setup_already_called = 0;
764 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
766 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
768 //adding my one link routes
771 xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
773 xbt_dynar_foreach(onelink_mine, cpt, link) {
774 xbt_dynar_push(ret, &link);
779 xbt_dict_cursor_t cursor = NULL;
780 routing_component_t rc_child;
781 xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
782 xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
784 xbt_dynar_foreach(onelink_child, cpt, link) {
785 xbt_dynar_push(ret, &link);
792 static xbt_dynar_t get_onelink_routes(void)
794 return recursive_get_onelink_routes(global_routing->root);
797 e_surf_network_element_type_t get_network_element_type(const char *name)
799 network_element_info_t rc = NULL;
801 rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
805 rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
809 return SURF_NETWORK_ELEMENT_NULL;
813 * \brief Generic method: create the global routing schema
815 * Make a global routing structure and set all the parsing functions.
817 void routing_model_create(size_t size_of_links, void *loopback,
818 double_f_cpvoid_t get_link_latency_fun)
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 get_link_latency = get_link_latency_fun;
835 /* no current routing at moment */
836 current_routing = NULL;
840 /* ************************************************** */
841 /* ********** PATERN FOR NEW ROUTING **************** */
843 /* The minimal configuration of a new routing model need the next functions,
844 * also you need to set at the start of the file, the new model in the model
845 * list. Remember keep the null ending of the list.
847 /*** Routing model structure ***/
849 // s_routing_component_t generic_routing;
850 // /* things that your routing model need */
851 // } s_routing_component_NEW_t,*routing_component_NEW_t;
853 /*** Parse routing model functions ***/
854 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
855 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
856 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
857 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
858 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
860 /*** Business methods ***/
861 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
862 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
863 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
865 /*** Creation routing model functions ***/
866 // static void* model_NEW_create(void) {
867 // routing_component_NEW_t new_component = xbt_new0(s_routing_component_NEW_t,1);
868 // new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
869 // new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
870 // new_component->generic_routing.set_route = model_NEW_set_route;
871 // new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
872 // new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
873 // new_component->generic_routing.get_route = NEW_get_route;
874 // new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
875 // new_component->generic_routing.finalize = NEW_finalize;
876 // /* initialization of internal structures */
877 // return new_component;
879 // static void model_NEW_load(void) {} /* mandatory */
880 // static void model_NEW_unload(void) {} /* mandatory */
881 // static void model_NEW_end(void) {} /* mandatory */
883 /* ************************************************************************** */
884 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
886 void generic_set_processing_unit(routing_component_t rc, const char *name)
888 XBT_DEBUG("Load process unit \"%s\"", name);
889 int *id = xbt_new0(int, 1);
890 xbt_dict_t _to_index;
891 _to_index = current_routing->to_index;
892 *id = xbt_dict_length(_to_index);
893 xbt_dict_set(_to_index, name, id, xbt_free);
896 void generic_set_autonomous_system(routing_component_t rc, const char *name)
898 XBT_DEBUG("Load Autonomous system \"%s\"", name);
899 int *id = xbt_new0(int, 1);
900 xbt_dict_t _to_index;
901 _to_index = current_routing->to_index;
902 *id = xbt_dict_length(_to_index);
903 xbt_dict_set(_to_index, name, id, xbt_free);
906 int surf_pointer_resource_cmp(const void *a, const void *b)
911 int surf_link_resource_cmp(const void *a, const void *b)
913 return ! !memcmp(a, b, global_routing->size_of_link);
916 void generic_set_bypassroute(routing_component_t rc,
917 const char *src, const char *dst,
918 route_extended_t e_route)
920 XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
921 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
924 route_name = bprintf("%s#%s", src, dst);
925 xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
926 "Invalid count of links, must be greater than zero (%s,%s)",
928 xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
929 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
930 src, e_route->src_gateway, dst, e_route->dst_gateway);
932 route_extended_t new_e_route =
933 generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
934 xbt_dynar_free(&(e_route->generic_route.link_list));
937 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
938 (void (*)(void *)) generic_free_extended_route);
939 xbt_free(route_name);
942 /* ************************************************************************** */
943 /* *********************** GENERIC BUSINESS METHODS ************************* */
945 double generic_get_link_latency(routing_component_t rc,
946 const char *src, const char *dst,
947 route_extended_t route)
949 int need_to_clean = route ? 0 : 1;
952 double latency = 0.0;
954 route = route ? route : rc->get_route(rc, src, dst);
956 xbt_dynar_foreach(route->generic_route.link_list, i, link) {
957 latency += get_link_latency(link);
960 generic_free_extended_route(route);
964 xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
966 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
969 route_extended_t generic_get_bypassroute(routing_component_t rc,
970 const char *src, const char *dst)
972 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
973 routing_component_t src_as, dst_as;
974 int index_src, index_dst;
975 xbt_dynar_t path_src = NULL;
976 xbt_dynar_t path_dst = NULL;
977 routing_component_t current = NULL;
978 routing_component_t *current_src = NULL;
979 routing_component_t *current_dst = NULL;
981 /* (1) find the as where the src and dst are located */
982 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
983 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
985 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
987 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
989 if (src_data == NULL || dst_data == NULL)
990 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
993 src_as = ((network_element_info_t) src_data)->rc_component;
994 dst_as = ((network_element_info_t) dst_data)->rc_component;
996 /* (2) find the path to the root routing component */
997 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
999 while (current != NULL) {
1000 xbt_dynar_push(path_src, ¤t);
1001 current = current->routing_father;
1003 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
1005 while (current != NULL) {
1006 xbt_dynar_push(path_dst, ¤t);
1007 current = current->routing_father;
1010 /* (3) find the common father */
1011 index_src = path_src->used - 1;
1012 index_dst = path_dst->used - 1;
1013 current_src = xbt_dynar_get_ptr(path_src, index_src);
1014 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1015 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
1016 xbt_dynar_pop_ptr(path_src);
1017 xbt_dynar_pop_ptr(path_dst);
1020 current_src = xbt_dynar_get_ptr(path_src, index_src);
1021 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1024 int max_index_src = path_src->used - 1;
1025 int max_index_dst = path_dst->used - 1;
1027 int max_index = max(max_index_src, max_index_dst);
1030 route_extended_t e_route_bypass = NULL;
1032 for (max = 0; max <= max_index; max++) {
1033 for (i = 0; i < max; i++) {
1034 if (i <= max_index_src && max <= max_index_dst) {
1035 char *route_name = bprintf("%s#%s",
1036 (*(routing_component_t *)
1037 (xbt_dynar_get_ptr(path_src, i)))->name,
1038 (*(routing_component_t *)
1039 (xbt_dynar_get_ptr(path_dst, max)))->name);
1040 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1041 xbt_free(route_name);
1045 if (max <= max_index_src && i <= max_index_dst) {
1046 char *route_name = bprintf("%s#%s",
1047 (*(routing_component_t *)
1048 (xbt_dynar_get_ptr(path_src, max)))->name,
1049 (*(routing_component_t *)
1050 (xbt_dynar_get_ptr(path_dst, i)))->name);
1051 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1052 xbt_free(route_name);
1061 if (max <= max_index_src && max <= max_index_dst) {
1062 char *route_name = bprintf("%s#%s",
1063 (*(routing_component_t *)
1064 (xbt_dynar_get_ptr(path_src, max)))->name,
1065 (*(routing_component_t *)
1066 (xbt_dynar_get_ptr(path_dst, max)))->name);
1067 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1068 xbt_free(route_name);
1074 xbt_dynar_free(&path_src);
1075 xbt_dynar_free(&path_dst);
1077 route_extended_t new_e_route = NULL;
1079 if (e_route_bypass) {
1081 unsigned int cpt = 0;
1082 new_e_route = xbt_new0(s_route_extended_t, 1);
1083 new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
1084 new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
1085 new_e_route->generic_route.link_list =
1086 xbt_dynar_new(global_routing->size_of_link, NULL);
1087 xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
1088 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
1095 /* ************************************************************************** */
1096 /* ************************* GENERIC AUX FUNCTIONS ************************** */
1099 generic_new_route(e_surf_routing_hierarchy_t hierarchy, void *data, int order)
1105 xbt_dynar_t links = NULL, links_id = NULL;
1107 new_route = xbt_new0(s_route_t, 1);
1108 new_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
1110 xbt_assert(hierarchy == SURF_ROUTING_BASE,
1111 "the hierarchy type is not SURF_ROUTING_BASE");
1113 links = ((route_t) data)->link_list;
1116 links_id = new_route->link_list;
1118 xbt_dynar_foreach(links, cpt, link_name) {
1120 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1123 xbt_dynar_push(links_id, &link);
1125 xbt_dynar_unshift(links_id, &link);
1127 THROWF(mismatch_error, 0, "Link %s not found", link_name);
1134 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
1135 void *data, int order)
1139 route_extended_t e_route, new_e_route;
1142 xbt_dynar_t links = NULL, links_id = NULL;
1144 new_e_route = xbt_new0(s_route_extended_t, 1);
1145 new_e_route->generic_route.link_list =
1146 xbt_dynar_new(global_routing->size_of_link, NULL);
1147 new_e_route->src_gateway = NULL;
1148 new_e_route->dst_gateway = NULL;
1150 xbt_assert(hierarchy == SURF_ROUTING_BASE
1151 || hierarchy == SURF_ROUTING_RECURSIVE,
1152 "the hierarchy type is not defined");
1154 if (hierarchy == SURF_ROUTING_BASE) {
1156 route = (route_t) data;
1157 links = route->link_list;
1159 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
1161 e_route = (route_extended_t) data;
1162 xbt_assert(e_route->src_gateway
1163 && e_route->dst_gateway, "bad gateway, is null");
1164 links = e_route->generic_route.link_list;
1166 /* remeber not erase the gateway names */
1167 new_e_route->src_gateway = strdup(e_route->src_gateway);
1168 new_e_route->dst_gateway = strdup(e_route->dst_gateway);
1171 links_id = new_e_route->generic_route.link_list;
1173 xbt_dynar_foreach(links, cpt, link_name) {
1175 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1178 xbt_dynar_push(links_id, &link);
1180 xbt_dynar_unshift(links_id, &link);
1182 THROWF(mismatch_error, 0, "Link %s not found", link_name);
1188 void generic_free_route(route_t route)
1191 xbt_dynar_free(&(route->link_list));
1196 void generic_free_extended_route(route_extended_t e_route)
1199 xbt_dynar_free(&(e_route->generic_route.link_list));
1200 xbt_free(e_route->src_gateway);
1201 xbt_free(e_route->dst_gateway);
1206 static routing_component_t generic_as_exist(routing_component_t find_from,
1207 routing_component_t to_find)
1209 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1210 xbt_dict_cursor_t cursor = NULL;
1213 routing_component_t elem;
1214 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
1215 if (to_find == elem || generic_as_exist(elem, to_find)) {
1226 generic_autonomous_system_exist(routing_component_t rc, char *element)
1228 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1229 routing_component_t element_as, result, elem;
1230 xbt_dict_cursor_t cursor = NULL;
1232 element_as = ((network_element_info_t)
1233 xbt_lib_get_or_null(as_router_lib, element,
1234 ROUTING_ASR_LEVEL))->rc_component;
1235 result = ((routing_component_t) - 1);
1236 if (element_as != rc)
1237 result = generic_as_exist(rc, element_as);
1241 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
1242 found = !strcmp(elem->name, element);
1253 generic_processing_units_exist(routing_component_t rc, char *element)
1255 routing_component_t element_as;
1256 element_as = ((network_element_info_t)
1257 xbt_lib_get_or_null(host_lib,
1258 element, ROUTING_HOST_LEVEL))->rc_component;
1259 if (element_as == rc)
1261 return generic_as_exist(rc, element_as);
1264 void generic_src_dst_check(routing_component_t rc, const char *src,
1268 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
1269 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
1271 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
1273 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
1275 if (src_data == NULL || dst_data == NULL)
1276 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1277 src, dst, rc->name);
1279 routing_component_t src_as =
1280 ((network_element_info_t) src_data)->rc_component;
1281 routing_component_t dst_as =
1282 ((network_element_info_t) dst_data)->rc_component;
1284 if (src_as != dst_as)
1285 xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
1286 src, src_as->name, dst, dst_as->name);
1289 ("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
1290 src, dst, src_as->name, dst_as->name, rc->name);
1293 static void routing_parse_cluster(void)
1295 char *host_id, *groups, *link_id = NULL;
1297 s_sg_platf_host_cbarg_t host;
1298 s_sg_platf_link_cbarg_t link;
1300 if (strcmp(struct_cluster->availability_trace, "")
1301 || strcmp(struct_cluster->state_trace, "")) {
1302 if (xbt_dict_size(patterns) == 0)
1303 patterns = xbt_dict_new();
1304 xbt_dict_set(patterns, "id", xbt_strdup(struct_cluster->id), free);
1305 xbt_dict_set(patterns, "prefix", xbt_strdup(struct_cluster->prefix), free);
1306 xbt_dict_set(patterns, "suffix", xbt_strdup(struct_cluster->suffix), free);
1311 xbt_dynar_t radical_elements;
1312 xbt_dynar_t radical_ends;
1314 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", struct_cluster->id);
1315 sg_platf_new_AS_open(struct_cluster->id, "Cluster");
1318 radical_elements = xbt_str_split(struct_cluster->radical, ",");
1319 xbt_dynar_foreach(radical_elements, iter, groups) {
1320 memset(&host, 0, sizeof(host));
1322 radical_ends = xbt_str_split(groups, "-");
1323 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1325 switch (xbt_dynar_length(radical_ends)) {
1330 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1333 surf_parse_error("Malformed radical");
1336 for (i = start; i <= end; i++) {
1338 bprintf("%s%d%s", struct_cluster->prefix, i, struct_cluster->suffix);
1339 link_id = bprintf("%s_link_%d", struct_cluster->id, i);
1341 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id,
1342 struct_cluster->power);
1344 if (strcmp(struct_cluster->availability_trace, "")) {
1345 xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
1346 char *tmp_availability_file =
1347 xbt_strdup(struct_cluster->availability_trace);
1348 xbt_str_varsubst(tmp_availability_file, patterns);
1349 XBT_DEBUG("\tavailability_file=\"%s\"", tmp_availability_file);
1350 host.power_trace = tmgr_trace_new(tmp_availability_file);
1351 xbt_free(tmp_availability_file);
1353 XBT_DEBUG("\tavailability_file=\"\"");
1355 if (strcmp(struct_cluster->state_trace, "")) {
1356 char *tmp_state_file = xbt_strdup(struct_cluster->state_trace);
1357 xbt_str_varsubst(tmp_state_file, patterns);
1358 XBT_DEBUG("\tstate_file=\"%s\"", tmp_state_file);
1359 host.state_trace = tmgr_trace_new(tmp_state_file);
1360 xbt_free(tmp_state_file);
1362 XBT_DEBUG("\tstate_file=\"\"");
1365 host.power_peak = struct_cluster->power;
1366 host.power_scale = 1.0;
1367 host.core_amount = struct_cluster->core_amount;
1368 host.initial_state = SURF_RESOURCE_ON;
1370 sg_platf_new_host(&host);
1371 XBT_DEBUG("</host>");
1373 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
1374 struct_cluster->bw, struct_cluster->lat);
1376 memset(&link, 0, sizeof(link));
1378 link.bandwidth = struct_cluster->bw;
1379 link.latency = struct_cluster->lat;
1380 link.state = SURF_RESOURCE_ON;
1382 switch (struct_cluster->sharing_policy) {
1383 case A_surfxml_cluster_sharing_policy_SHARED:
1384 link.policy = SURF_LINK_SHARED;
1386 case A_surfxml_cluster_sharing_policy_FULLDUPLEX:
1387 link.policy = SURF_LINK_FULLDUPLEX;
1389 case A_surfxml_cluster_sharing_policy_FATPIPE:
1390 link.policy = SURF_LINK_FATPIPE;
1393 surf_parse_error(bprintf
1394 ("Invalid cluster sharing policy for cluster %s",
1395 struct_cluster->id));
1398 sg_platf_new_link(&link);
1400 surf_parsing_link_up_down_t info =
1401 xbt_new0(s_surf_parsing_link_up_down_t, 1);
1402 if (link.policy == SURF_LINK_FULLDUPLEX) {
1403 char *tmp_link = bprintf("%s_UP", link_id);
1405 xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1407 tmp_link = bprintf("%s_DOWN", link_id);
1409 xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1412 info->link_up = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL);
1413 info->link_down = info->link_up;
1415 surf_routing_cluster_add_link(host_id, info);
1421 xbt_dynar_free(&radical_ends);
1423 xbt_dynar_free(&radical_elements);
1425 // 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
1427 XBT_DEBUG("<router id=\"%s\"/>", struct_cluster->router_id);
1428 s_sg_platf_router_cbarg_t router;
1430 memset(&router, 0, sizeof(router));
1431 router.id = struct_cluster->router_id;
1433 if (!router.id || !strcmp(router.id, ""))
1435 bprintf("%s%s_router%s", struct_cluster->prefix, struct_cluster->id,
1436 struct_cluster->suffix);
1437 sg_platf_new_router(&router);
1441 if ((struct_cluster->bb_bw != 0) && (struct_cluster->bb_lat != 0)) {
1442 char *link_backbone = bprintf("%s_backbone", struct_cluster->id);
1443 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
1444 struct_cluster->bb_bw, struct_cluster->bb_lat);
1446 memset(&link, 0, sizeof(link));
1447 link.id = link_backbone;
1448 link.bandwidth = struct_cluster->bb_bw;
1449 link.latency = struct_cluster->bb_lat;
1450 link.state = SURF_RESOURCE_ON;
1452 switch (struct_cluster->bb_sharing_policy) {
1453 case A_surfxml_cluster_bb_sharing_policy_FATPIPE:
1454 link.policy = SURF_LINK_FATPIPE;
1456 case A_surfxml_cluster_bb_sharing_policy_SHARED:
1457 link.policy = SURF_LINK_SHARED;
1460 surf_parse_error(bprintf
1461 ("Invalid bb sharing policy in cluster %s",
1462 struct_cluster->id));
1466 sg_platf_new_link(&link);
1468 surf_parsing_link_up_down_t info =
1469 xbt_new0(s_surf_parsing_link_up_down_t, 1);
1471 xbt_lib_get_or_null(link_lib, link_backbone, SURF_LINK_LEVEL);
1472 info->link_down = info->link_up;
1473 surf_routing_cluster_add_link(struct_cluster->id, info);
1475 free(link_backbone);
1480 char *new_suffix = xbt_strdup("");
1482 radical_elements = xbt_str_split(struct_cluster->suffix, ".");
1483 xbt_dynar_foreach(radical_elements, iter, groups) {
1484 if (strcmp(groups, "")) {
1485 char *old_suffix = new_suffix;
1486 new_suffix = bprintf("%s\\.%s", old_suffix, groups);
1491 xbt_dynar_free(&radical_elements);
1492 xbt_free(new_suffix);
1494 if (strcmp(struct_cluster->availability_trace, "")
1495 || strcmp(struct_cluster->state_trace, ""))
1496 xbt_dict_free(&patterns);
1499 sg_platf_new_AS_close();
1504 * This function take a string and replace parameters from patterns dict.
1505 * It returns the new value.
1507 static char *replace_random_parameter(char *string)
1509 char *test_string = NULL;
1511 if (xbt_dict_size(random_value) == 0)
1514 string = xbt_str_varsubst(string, patterns); // for patterns of cluster
1515 test_string = bprintf("${%s}", string);
1516 test_string = xbt_str_varsubst(test_string, random_value); //Add ${xxxxx} for random Generator
1518 if (strcmp(test_string, "")) { //if not empty, keep this value.
1520 string = test_string;
1521 } //In other case take old value (without ${})
1527 static void routing_parse_postparse(void)
1529 xbt_dict_free(&random_value);
1530 xbt_dict_free(&patterns);
1533 static void routing_parse_peer(sg_platf_peer_cbarg_t peer)
1535 static int AX_ptr = 0;
1536 char *host_id = NULL;
1537 char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
1539 static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1540 static unsigned int surfxml_buffer_stack_stack[1024];
1542 surfxml_buffer_stack_stack[0] = 0;
1544 surfxml_bufferstack_push(1);
1546 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", peer->id);
1547 sg_platf_new_AS_open(peer->id, "Full");
1550 host_id = HOST_PEER(peer->id);
1551 router_id = ROUTER_PEER(peer->id);
1552 link_id_up = LINK_UP_PEER(peer->id);
1553 link_id_down = LINK_DOWN_PEER(peer->id);
1555 link_router = bprintf("%s_link_router", peer->id);
1556 link_backbone = bprintf("%s_backbone", peer->id);
1558 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->power);
1559 s_sg_platf_host_cbarg_t host;
1560 memset(&host, 0, sizeof(host));
1561 host.initial_state = SURF_RESOURCE_ON;
1563 host.power_peak = peer->power;
1564 host.power_scale = 1.0;
1565 host.power_trace = peer->availability_trace;
1566 host.state_trace = peer->state_trace;
1567 host.core_amount = 1;
1568 sg_platf_new_host(&host);
1571 XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer->coord);
1572 s_sg_platf_router_cbarg_t router;
1573 memset(&router, 0, sizeof(router));
1574 router.id = router_id;
1575 router.coord = peer->coord;
1576 sg_platf_new_router(&router);
1578 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_up,
1579 peer->bw_in, peer->lat);
1580 s_sg_platf_link_cbarg_t link;
1581 memset(&link, 0, sizeof(link));
1582 link.state = SURF_RESOURCE_ON;
1583 link.policy = SURF_LINK_SHARED;
1584 link.id = link_id_up;
1585 link.bandwidth = peer->bw_in;
1586 link.latency = peer->lat;
1587 sg_platf_new_link(&link);
1589 // FIXME: dealing with full duplex is not the role of this piece of code, I'd say [Mt]
1590 // Instead, it should be created fullduplex, and the models will do what's needed in this case
1591 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_down,
1592 peer->bw_out, peer->lat);
1593 link.id = link_id_down;
1594 sg_platf_new_link(&link);
1599 XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", host_id, router_id);
1600 XBT_DEBUG("symmetrical=\"NO\">");
1601 SURFXML_BUFFER_SET(route_src, host_id);
1602 SURFXML_BUFFER_SET(route_dst, router_id);
1603 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1604 SURFXML_START_TAG(route);
1606 XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
1607 SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
1608 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1609 SURFXML_START_TAG(link_ctn);
1610 SURFXML_END_TAG(link_ctn);
1612 XBT_DEBUG("</route>");
1613 SURFXML_END_TAG(route);
1616 XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, host_id);
1617 XBT_DEBUG("symmetrical=\"NO\">");
1618 SURFXML_BUFFER_SET(route_src, router_id);
1619 SURFXML_BUFFER_SET(route_dst, host_id);
1620 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1621 SURFXML_START_TAG(route);
1623 XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
1624 SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
1625 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1626 SURFXML_START_TAG(link_ctn);
1627 SURFXML_END_TAG(link_ctn);
1629 XBT_DEBUG("</route>");
1630 SURFXML_END_TAG(route);
1633 sg_platf_new_AS_close();
1636 //xbt_dynar_free(&tab_elements_num);
1640 free(link_backbone);
1643 surfxml_bufferstack_pop(1);
1646 static void routing_parse_Srandom(void)
1648 double mean, std, min, max, seed;
1649 char *random_id = A_surfxml_random_id;
1650 char *random_radical = A_surfxml_random_radical;
1651 char *rd_name = NULL;
1653 mean = surf_parse_get_double(A_surfxml_random_mean);
1654 std = surf_parse_get_double(A_surfxml_random_std_deviation);
1655 min = surf_parse_get_double(A_surfxml_random_min);
1656 max = surf_parse_get_double(A_surfxml_random_max);
1657 seed = surf_parse_get_double(A_surfxml_random_seed);
1661 random_data_t random = xbt_new0(s_random_data_t, 1);
1664 xbt_dynar_t radical_elements;
1668 xbt_dynar_t radical_ends;
1670 random->generator = A_surfxml_random_generator;
1671 random->seed = seed;
1675 /* Check user stupidities */
1677 THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
1679 THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
1681 THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
1683 /* normalize the mean and standard deviation before storing */
1684 random->mean = (mean - min) / (max - min);
1685 random->std = std / (max - min);
1687 if (random->mean * (1 - random->mean) < random->std * random->std)
1688 THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
1689 random->mean, random->std);
1692 ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
1693 random_id, random->min, random->max, random->mean, random->std,
1694 random->generator, random->seed, random_radical);
1696 if (xbt_dict_size(random_value) == 0)
1697 random_value = xbt_dict_new();
1699 if (!strcmp(random_radical, "")) {
1700 res = random_generate(random);
1701 rd_value = bprintf("%f", res);
1702 xbt_dict_set(random_value, random_id, rd_value, free);
1704 radical_elements = xbt_str_split(random_radical, ",");
1705 xbt_dynar_foreach(radical_elements, iter, groups) {
1706 radical_ends = xbt_str_split(groups, "-");
1707 switch (xbt_dynar_length(radical_ends)) {
1709 xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1710 "Custom Random '%s' already exists !", random_id);
1711 res = random_generate(random);
1713 bprintf("%s%d", random_id,
1714 atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
1715 xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free);
1720 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1721 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1722 for (i = start; i <= end; i++) {
1723 xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1724 "Custom Random '%s' already exists !", bprintf("%s%d",
1727 res = random_generate(random);
1728 tmpbuf = bprintf("%s%d", random_id, i);
1729 xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free);
1734 XBT_INFO("Malformed radical");
1737 res = random_generate(random);
1738 rd_name = bprintf("%s_router", random_id);
1739 rd_value = bprintf("%f", res);
1740 xbt_dict_set(random_value, rd_name, rd_value, free);
1742 xbt_dynar_free(&radical_ends);
1745 xbt_dynar_free(&radical_elements);
1749 void routing_register_callbacks()
1751 sg_platf_host_add_cb(parse_S_host);
1752 sg_platf_router_add_cb(parse_S_router);
1754 surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
1756 surfxml_add_callback(STag_surfxml_route_cb_list, &routing_parse_S_route);
1757 surfxml_add_callback(STag_surfxml_ASroute_cb_list, &routing_parse_S_ASroute);
1758 surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
1759 &routing_parse_S_bypassRoute);
1761 surfxml_add_callback(ETag_surfxml_link_ctn_cb_list, &routing_parse_link_ctn);
1763 surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_parse_E_route);
1764 surfxml_add_callback(ETag_surfxml_ASroute_cb_list, &routing_parse_E_ASroute);
1765 surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
1766 &routing_parse_E_bypassRoute);
1768 surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_parse_cluster);
1770 sg_platf_peer_add_cb(routing_parse_peer);
1771 sg_platf_postparse_add_cb(routing_parse_postparse);
1774 instr_routing_define_callbacks();