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_and_latency = NULL;
26 new_component->get_onelink_routes = NULL;
27 new_component->get_bypass_route =
28 generic_get_bypassroute;
29 new_component->finalize = model_generic_finalize;
31 new_component->to_index = xbt_dict_new_homogeneous(xbt_free);
32 new_component->bypassRoutes = xbt_dict_new_homogeneous((void (*)(void *)) generic_free_route);
36 void model_generic_finalize(AS_t as) {
37 xbt_dict_free(&as->to_index);
38 xbt_dict_free(&as->bypassRoutes);
39 model_none_finalize(as);
42 void generic_parse_PU(AS_t as, const char *name)
44 XBT_DEBUG("Load process unit \"%s\"", name);
45 int *id = xbt_new0(int, 1);
47 _to_index = as->to_index;
48 *id = xbt_dict_length(_to_index);
49 xbt_dict_set(_to_index, name, id, NULL);
52 void generic_parse_AS(AS_t as, const char *name)
54 XBT_DEBUG("Load Autonomous system \"%s\"", name);
55 int *id = xbt_new0(int, 1);
57 _to_index = as->to_index;
58 *id = xbt_dict_length(_to_index);
59 xbt_dict_set(_to_index, name, id, NULL);
62 void generic_parse_bypassroute(AS_t rc,
63 const char *src, const char *dst,
66 XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
67 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
70 route_name = bprintf("%s#%s", src, dst);
71 xbt_assert(!xbt_dynar_is_empty(e_route->link_list),
72 "Invalid count of links, must be greater than zero (%s,%s)",
74 xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
75 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
76 src, e_route->src_gateway, dst, e_route->dst_gateway);
79 generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
80 xbt_dynar_free(&(e_route->link_list));
83 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route, NULL);
87 /* ************************************************************************** */
88 /* *********************** GENERIC BUSINESS METHODS ************************* */
90 xbt_dynar_t generic_get_onelink_routes(AS_t rc) { // FIXME: kill that stub
91 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
95 route_t generic_get_bypassroute(AS_t rc, const char *src, const char *dst)
97 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
99 int index_src, index_dst;
100 xbt_dynar_t path_src = NULL;
101 xbt_dynar_t path_dst = NULL;
103 AS_t *current_src = NULL;
104 AS_t *current_dst = NULL;
106 /* (1) find the as where the src and dst are located */
107 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
108 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
110 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
112 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
114 if (src_data == NULL || dst_data == NULL)
115 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
118 src_as = ((network_element_info_t) src_data)->rc_component;
119 dst_as = ((network_element_info_t) dst_data)->rc_component;
121 /* (2) find the path to the root routing component */
122 path_src = xbt_dynar_new(sizeof(AS_t), NULL);
124 while (current != NULL) {
125 xbt_dynar_push(path_src, ¤t);
126 current = current->routing_father;
128 path_dst = xbt_dynar_new(sizeof(AS_t), NULL);
130 while (current != NULL) {
131 xbt_dynar_push(path_dst, ¤t);
132 current = current->routing_father;
135 /* (3) find the common father */
136 index_src = path_src->used - 1;
137 index_dst = path_dst->used - 1;
138 current_src = xbt_dynar_get_ptr(path_src, index_src);
139 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
140 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
141 xbt_dynar_pop_ptr(path_src);
142 xbt_dynar_pop_ptr(path_dst);
145 current_src = xbt_dynar_get_ptr(path_src, index_src);
146 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
149 int max_index_src = path_src->used - 1;
150 int max_index_dst = path_dst->used - 1;
152 int max_index = max(max_index_src, max_index_dst);
155 route_t e_route_bypass = NULL;
157 for (max = 0; max <= max_index; max++) {
158 for (i = 0; i < max; i++) {
159 if (i <= max_index_src && max <= max_index_dst) {
160 char *route_name = bprintf("%s#%s",
162 (xbt_dynar_get_ptr(path_src, i)))->name,
164 (xbt_dynar_get_ptr(path_dst, max)))->name);
165 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
166 xbt_free(route_name);
170 if (max <= max_index_src && i <= max_index_dst) {
171 char *route_name = bprintf("%s#%s",
173 (xbt_dynar_get_ptr(path_src, max)))->name,
175 (xbt_dynar_get_ptr(path_dst, i)))->name);
176 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
177 xbt_free(route_name);
186 if (max <= max_index_src && max <= max_index_dst) {
187 char *route_name = bprintf("%s#%s",
189 (xbt_dynar_get_ptr(path_src, max)))->name,
191 (xbt_dynar_get_ptr(path_dst, max)))->name);
192 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
193 xbt_free(route_name);
199 xbt_dynar_free(&path_src);
200 xbt_dynar_free(&path_dst);
202 route_t new_e_route = NULL;
204 if (e_route_bypass) {
206 unsigned int cpt = 0;
207 new_e_route = xbt_new0(s_route_t, 1);
208 new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
209 new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
210 new_e_route->link_list =
211 xbt_dynar_new(global_routing->size_of_link, NULL);
212 xbt_dynar_foreach(e_route_bypass->link_list, cpt, link) {
213 xbt_dynar_push(new_e_route->link_list, &link);
220 /* ************************************************************************** */
221 /* ************************* GENERIC AUX FUNCTIONS ************************** */
224 generic_new_route(e_surf_routing_hierarchy_t hierarchy, void *data, int order)
230 xbt_dynar_t links = NULL, links_id = NULL;
232 new_route = xbt_new0(s_route_t, 1);
233 new_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
235 xbt_assert(hierarchy == SURF_ROUTING_BASE,
236 "the hierarchy type is not SURF_ROUTING_BASE");
238 links = ((route_t) data)->link_list;
241 links_id = new_route->link_list;
243 xbt_dynar_foreach(links, cpt, link_name) {
245 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
248 xbt_dynar_push(links_id, &link);
250 xbt_dynar_unshift(links_id, &link);
252 THROWF(mismatch_error, 0, "Link %s not found", link_name);
259 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
260 void *data, int order)
264 route_t e_route, new_e_route;
267 xbt_dynar_t links = NULL, links_id = NULL;
269 new_e_route = xbt_new0(s_route_t, 1);
270 new_e_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
272 xbt_assert(hierarchy == SURF_ROUTING_BASE
273 || hierarchy == SURF_ROUTING_RECURSIVE,
274 "the hierarchy type is not defined");
276 if (hierarchy == SURF_ROUTING_BASE) {
278 route = (route_t) data;
279 links = route->link_list;
281 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
283 e_route = (route_t) data;
284 xbt_assert(e_route->src_gateway
285 && e_route->dst_gateway, "bad gateway, is null");
286 links = e_route->link_list;
288 /* remeber not erase the gateway names */
289 new_e_route->src_gateway = strdup(e_route->src_gateway);
290 new_e_route->dst_gateway = strdup(e_route->dst_gateway);
293 links_id = new_e_route->link_list;
295 xbt_dynar_foreach(links, cpt, link_name) {
297 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
300 xbt_dynar_push(links_id, &link);
302 xbt_dynar_unshift(links_id, &link);
304 THROWF(mismatch_error, 0, "Link %s not found", link_name);
310 void generic_free_route(route_t route)
313 xbt_dynar_free(&route->link_list);
314 xbt_free(route->src_gateway);
315 xbt_free(route->dst_gateway);
320 static AS_t generic_as_exist(AS_t find_from,
323 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
324 xbt_dict_cursor_t cursor = NULL;
328 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
329 if (to_find == elem || generic_as_exist(elem, to_find)) {
340 generic_autonomous_system_exist(AS_t rc, char *element)
342 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
343 AS_t element_as, result, elem;
344 xbt_dict_cursor_t cursor = NULL;
346 element_as = ((network_element_info_t)
347 xbt_lib_get_or_null(as_router_lib, element,
348 ROUTING_ASR_LEVEL))->rc_component;
349 result = ((AS_t) - 1);
350 if (element_as != rc)
351 result = generic_as_exist(rc, element_as);
355 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
356 found = !strcmp(elem->name, element);
367 generic_processing_units_exist(AS_t rc, char *element)
370 element_as = ((network_element_info_t)
371 xbt_lib_get_or_null(host_lib,
372 element, ROUTING_HOST_LEVEL))->rc_component;
373 if (element_as == rc)
375 return generic_as_exist(rc, element_as);
378 void generic_src_dst_check(AS_t rc, const char *src,
382 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
383 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
385 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
387 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
389 if (src_data == NULL || dst_data == NULL)
390 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
394 ((network_element_info_t) src_data)->rc_component;
396 ((network_element_info_t) dst_data)->rc_component;
398 if (src_as != dst_as)
399 xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
400 src, src_as->name, dst, dst_as->name);
403 ("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
404 src, dst, src_as->name, dst_as->name, rc->name);