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"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_routing_generic, surf_route, "Generic implementation of the surf routing");
17 AS_t model_generic_create_sized(size_t childsize) {
18 AS_t new_component = model_none_create_sized(childsize);
20 new_component->parse_PU = generic_parse_PU;
21 new_component->parse_AS = generic_parse_AS;
22 new_component->parse_route = NULL;
23 new_component->parse_ASroute = NULL;
24 new_component->parse_bypassroute = generic_parse_bypassroute;
25 new_component->get_route = NULL;
26 new_component->get_latency = generic_get_link_latency;
27 new_component->get_onelink_routes = NULL;
28 new_component->get_bypass_route =
29 generic_get_bypassroute;
30 new_component->finalize = model_generic_finalize;
32 new_component->to_index = xbt_dict_new();
33 new_component->bypassRoutes = xbt_dict_new();
37 void model_generic_finalize(AS_t as) {
38 xbt_dict_free(&as->to_index);
39 xbt_dict_free(&as->bypassRoutes);
40 model_none_finalize(as);
43 void generic_parse_PU(AS_t as, const char *name)
45 XBT_DEBUG("Load process unit \"%s\"", name);
46 int *id = xbt_new0(int, 1);
48 _to_index = as->to_index;
49 *id = xbt_dict_length(_to_index);
50 xbt_dict_set(_to_index, name, id, xbt_free);
53 void generic_parse_AS(AS_t as, const char *name)
55 XBT_DEBUG("Load Autonomous system \"%s\"", name);
56 int *id = xbt_new0(int, 1);
58 _to_index = as->to_index;
59 *id = xbt_dict_length(_to_index);
60 xbt_dict_set(_to_index, name, id, xbt_free);
63 void generic_parse_bypassroute(AS_t rc,
64 const char *src, const char *dst,
65 route_extended_t e_route)
67 XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
68 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
71 route_name = bprintf("%s#%s", src, dst);
72 xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
73 "Invalid count of links, must be greater than zero (%s,%s)",
75 xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
76 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
77 src, e_route->src_gateway, dst, e_route->dst_gateway);
79 route_extended_t new_e_route =
80 generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
81 xbt_dynar_free(&(e_route->generic_route.link_list));
84 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
85 (void (*)(void *)) generic_free_extended_route);
89 /* ************************************************************************** */
90 /* *********************** GENERIC BUSINESS METHODS ************************* */
92 double generic_get_link_latency(AS_t rc,
93 const char *src, const char *dst,
94 route_extended_t route)
96 int need_to_clean = route ? 0 : 1;
101 route = route ? route : rc->get_route(rc, src, dst);
103 xbt_dynar_foreach(route->generic_route.link_list, i, link) {
104 latency += surf_network_model->extension.network.get_link_latency(link);
107 generic_free_extended_route(route);
111 xbt_dynar_t generic_get_onelink_routes(AS_t rc)
113 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
116 route_extended_t generic_get_bypassroute(AS_t rc,
117 const char *src, const char *dst)
119 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
121 int index_src, index_dst;
122 xbt_dynar_t path_src = NULL;
123 xbt_dynar_t path_dst = NULL;
125 AS_t *current_src = NULL;
126 AS_t *current_dst = NULL;
128 /* (1) find the as where the src and dst are located */
129 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
130 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
132 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
134 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
136 if (src_data == NULL || dst_data == NULL)
137 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
140 src_as = ((network_element_info_t) src_data)->rc_component;
141 dst_as = ((network_element_info_t) dst_data)->rc_component;
143 /* (2) find the path to the root routing component */
144 path_src = xbt_dynar_new(sizeof(AS_t), NULL);
146 while (current != NULL) {
147 xbt_dynar_push(path_src, ¤t);
148 current = current->routing_father;
150 path_dst = xbt_dynar_new(sizeof(AS_t), NULL);
152 while (current != NULL) {
153 xbt_dynar_push(path_dst, ¤t);
154 current = current->routing_father;
157 /* (3) find the common father */
158 index_src = path_src->used - 1;
159 index_dst = path_dst->used - 1;
160 current_src = xbt_dynar_get_ptr(path_src, index_src);
161 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
162 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
163 xbt_dynar_pop_ptr(path_src);
164 xbt_dynar_pop_ptr(path_dst);
167 current_src = xbt_dynar_get_ptr(path_src, index_src);
168 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
171 int max_index_src = path_src->used - 1;
172 int max_index_dst = path_dst->used - 1;
174 int max_index = max(max_index_src, max_index_dst);
177 route_extended_t e_route_bypass = NULL;
179 for (max = 0; max <= max_index; max++) {
180 for (i = 0; i < max; i++) {
181 if (i <= max_index_src && max <= max_index_dst) {
182 char *route_name = bprintf("%s#%s",
184 (xbt_dynar_get_ptr(path_src, i)))->name,
186 (xbt_dynar_get_ptr(path_dst, max)))->name);
187 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
188 xbt_free(route_name);
192 if (max <= max_index_src && i <= max_index_dst) {
193 char *route_name = bprintf("%s#%s",
195 (xbt_dynar_get_ptr(path_src, max)))->name,
197 (xbt_dynar_get_ptr(path_dst, i)))->name);
198 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
199 xbt_free(route_name);
208 if (max <= max_index_src && max <= max_index_dst) {
209 char *route_name = bprintf("%s#%s",
211 (xbt_dynar_get_ptr(path_src, max)))->name,
213 (xbt_dynar_get_ptr(path_dst, max)))->name);
214 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
215 xbt_free(route_name);
221 xbt_dynar_free(&path_src);
222 xbt_dynar_free(&path_dst);
224 route_extended_t new_e_route = NULL;
226 if (e_route_bypass) {
228 unsigned int cpt = 0;
229 new_e_route = xbt_new0(s_route_extended_t, 1);
230 new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
231 new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
232 new_e_route->generic_route.link_list =
233 xbt_dynar_new(global_routing->size_of_link, NULL);
234 xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
235 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
242 /* ************************************************************************** */
243 /* ************************* GENERIC AUX FUNCTIONS ************************** */
246 generic_new_route(e_surf_routing_hierarchy_t hierarchy, void *data, int order)
252 xbt_dynar_t links = NULL, links_id = NULL;
254 new_route = xbt_new0(s_route_t, 1);
255 new_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
257 xbt_assert(hierarchy == SURF_ROUTING_BASE,
258 "the hierarchy type is not SURF_ROUTING_BASE");
260 links = ((route_t) data)->link_list;
263 links_id = new_route->link_list;
265 xbt_dynar_foreach(links, cpt, link_name) {
267 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
270 xbt_dynar_push(links_id, &link);
272 xbt_dynar_unshift(links_id, &link);
274 THROWF(mismatch_error, 0, "Link %s not found", link_name);
281 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
282 void *data, int order)
286 route_extended_t e_route, new_e_route;
289 xbt_dynar_t links = NULL, links_id = NULL;
291 new_e_route = xbt_new0(s_route_extended_t, 1);
292 new_e_route->generic_route.link_list =
293 xbt_dynar_new(global_routing->size_of_link, NULL);
294 new_e_route->src_gateway = NULL;
295 new_e_route->dst_gateway = NULL;
297 xbt_assert(hierarchy == SURF_ROUTING_BASE
298 || hierarchy == SURF_ROUTING_RECURSIVE,
299 "the hierarchy type is not defined");
301 if (hierarchy == SURF_ROUTING_BASE) {
303 route = (route_t) data;
304 links = route->link_list;
306 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
308 e_route = (route_extended_t) data;
309 xbt_assert(e_route->src_gateway
310 && e_route->dst_gateway, "bad gateway, is null");
311 links = e_route->generic_route.link_list;
313 /* remeber not erase the gateway names */
314 new_e_route->src_gateway = strdup(e_route->src_gateway);
315 new_e_route->dst_gateway = strdup(e_route->dst_gateway);
318 links_id = new_e_route->generic_route.link_list;
320 xbt_dynar_foreach(links, cpt, link_name) {
322 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
325 xbt_dynar_push(links_id, &link);
327 xbt_dynar_unshift(links_id, &link);
329 THROWF(mismatch_error, 0, "Link %s not found", link_name);
335 void generic_free_route(route_t route)
338 xbt_dynar_free(&(route->link_list));
343 void generic_free_extended_route(route_extended_t e_route)
346 xbt_dynar_free(&(e_route->generic_route.link_list));
347 xbt_free(e_route->src_gateway);
348 xbt_free(e_route->dst_gateway);
353 static AS_t generic_as_exist(AS_t find_from,
356 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
357 xbt_dict_cursor_t cursor = NULL;
361 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
362 if (to_find == elem || generic_as_exist(elem, to_find)) {
373 generic_autonomous_system_exist(AS_t rc, char *element)
375 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
376 AS_t element_as, result, elem;
377 xbt_dict_cursor_t cursor = NULL;
379 element_as = ((network_element_info_t)
380 xbt_lib_get_or_null(as_router_lib, element,
381 ROUTING_ASR_LEVEL))->rc_component;
382 result = ((AS_t) - 1);
383 if (element_as != rc)
384 result = generic_as_exist(rc, element_as);
388 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
389 found = !strcmp(elem->name, element);
400 generic_processing_units_exist(AS_t rc, char *element)
403 element_as = ((network_element_info_t)
404 xbt_lib_get_or_null(host_lib,
405 element, ROUTING_HOST_LEVEL))->rc_component;
406 if (element_as == rc)
408 return generic_as_exist(rc, element_as);
411 void generic_src_dst_check(AS_t rc, const char *src,
415 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
416 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
418 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
420 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
422 if (src_data == NULL || dst_data == NULL)
423 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
427 ((network_element_info_t) src_data)->rc_component;
429 ((network_element_info_t) dst_data)->rc_component;
431 if (src_as != dst_as)
432 xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
433 src, src_as->name, dst, dst_as->name);
436 ("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
437 src, dst, src_as->name, dst_as->name, rc->name);