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 routmod_generic_create(size_t childsize) {
18 AS_t new_component = xbt_malloc0(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 = NULL;
31 new_component->to_index = xbt_dict_new();
32 new_component->bypassRoutes = xbt_dict_new();
33 new_component->get_network_element_type = get_network_element_type;
39 void generic_parse_PU(AS_t as, const char *name)
41 XBT_DEBUG("Load process unit \"%s\"", name);
42 int *id = xbt_new0(int, 1);
44 _to_index = as->to_index;
45 *id = xbt_dict_length(_to_index);
46 xbt_dict_set(_to_index, name, id, xbt_free);
49 void generic_parse_AS(AS_t as, const char *name)
51 XBT_DEBUG("Load Autonomous system \"%s\"", name);
52 int *id = xbt_new0(int, 1);
54 _to_index = as->to_index;
55 *id = xbt_dict_length(_to_index);
56 xbt_dict_set(_to_index, name, id, xbt_free);
59 void generic_parse_bypassroute(AS_t rc,
60 const char *src, const char *dst,
61 route_extended_t e_route)
63 XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
64 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
67 route_name = bprintf("%s#%s", src, dst);
68 xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
69 "Invalid count of links, must be greater than zero (%s,%s)",
71 xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
72 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
73 src, e_route->src_gateway, dst, e_route->dst_gateway);
75 route_extended_t new_e_route =
76 generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
77 xbt_dynar_free(&(e_route->generic_route.link_list));
80 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
81 (void (*)(void *)) generic_free_extended_route);
85 /* ************************************************************************** */
86 /* *********************** GENERIC BUSINESS METHODS ************************* */
88 double generic_get_link_latency(AS_t rc,
89 const char *src, const char *dst,
90 route_extended_t route)
92 int need_to_clean = route ? 0 : 1;
97 route = route ? route : rc->get_route(rc, src, dst);
99 xbt_dynar_foreach(route->generic_route.link_list, i, link) {
100 latency += surf_network_model->extension.network.get_link_latency(link);
103 generic_free_extended_route(route);
107 xbt_dynar_t generic_get_onelink_routes(AS_t rc)
109 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
112 route_extended_t generic_get_bypassroute(AS_t rc,
113 const char *src, const char *dst)
115 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
117 int index_src, index_dst;
118 xbt_dynar_t path_src = NULL;
119 xbt_dynar_t path_dst = NULL;
121 AS_t *current_src = NULL;
122 AS_t *current_dst = NULL;
124 /* (1) find the as where the src and dst are located */
125 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
126 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
128 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
130 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
132 if (src_data == NULL || dst_data == NULL)
133 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
136 src_as = ((network_element_info_t) src_data)->rc_component;
137 dst_as = ((network_element_info_t) dst_data)->rc_component;
139 /* (2) find the path to the root routing component */
140 path_src = xbt_dynar_new(sizeof(AS_t), NULL);
142 while (current != NULL) {
143 xbt_dynar_push(path_src, ¤t);
144 current = current->routing_father;
146 path_dst = xbt_dynar_new(sizeof(AS_t), NULL);
148 while (current != NULL) {
149 xbt_dynar_push(path_dst, ¤t);
150 current = current->routing_father;
153 /* (3) find the common father */
154 index_src = path_src->used - 1;
155 index_dst = path_dst->used - 1;
156 current_src = xbt_dynar_get_ptr(path_src, index_src);
157 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
158 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
159 xbt_dynar_pop_ptr(path_src);
160 xbt_dynar_pop_ptr(path_dst);
163 current_src = xbt_dynar_get_ptr(path_src, index_src);
164 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
167 int max_index_src = path_src->used - 1;
168 int max_index_dst = path_dst->used - 1;
170 int max_index = max(max_index_src, max_index_dst);
173 route_extended_t e_route_bypass = NULL;
175 for (max = 0; max <= max_index; max++) {
176 for (i = 0; i < max; i++) {
177 if (i <= max_index_src && max <= max_index_dst) {
178 char *route_name = bprintf("%s#%s",
180 (xbt_dynar_get_ptr(path_src, i)))->name,
182 (xbt_dynar_get_ptr(path_dst, max)))->name);
183 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
184 xbt_free(route_name);
188 if (max <= max_index_src && i <= max_index_dst) {
189 char *route_name = bprintf("%s#%s",
191 (xbt_dynar_get_ptr(path_src, max)))->name,
193 (xbt_dynar_get_ptr(path_dst, i)))->name);
194 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
195 xbt_free(route_name);
204 if (max <= max_index_src && max <= max_index_dst) {
205 char *route_name = bprintf("%s#%s",
207 (xbt_dynar_get_ptr(path_src, max)))->name,
209 (xbt_dynar_get_ptr(path_dst, max)))->name);
210 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
211 xbt_free(route_name);
217 xbt_dynar_free(&path_src);
218 xbt_dynar_free(&path_dst);
220 route_extended_t new_e_route = NULL;
222 if (e_route_bypass) {
224 unsigned int cpt = 0;
225 new_e_route = xbt_new0(s_route_extended_t, 1);
226 new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
227 new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
228 new_e_route->generic_route.link_list =
229 xbt_dynar_new(global_routing->size_of_link, NULL);
230 xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
231 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
238 /* ************************************************************************** */
239 /* ************************* GENERIC AUX FUNCTIONS ************************** */
242 generic_new_route(e_surf_routing_hierarchy_t hierarchy, void *data, int order)
248 xbt_dynar_t links = NULL, links_id = NULL;
250 new_route = xbt_new0(s_route_t, 1);
251 new_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
253 xbt_assert(hierarchy == SURF_ROUTING_BASE,
254 "the hierarchy type is not SURF_ROUTING_BASE");
256 links = ((route_t) data)->link_list;
259 links_id = new_route->link_list;
261 xbt_dynar_foreach(links, cpt, link_name) {
263 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
266 xbt_dynar_push(links_id, &link);
268 xbt_dynar_unshift(links_id, &link);
270 THROWF(mismatch_error, 0, "Link %s not found", link_name);
277 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
278 void *data, int order)
282 route_extended_t e_route, new_e_route;
285 xbt_dynar_t links = NULL, links_id = NULL;
287 new_e_route = xbt_new0(s_route_extended_t, 1);
288 new_e_route->generic_route.link_list =
289 xbt_dynar_new(global_routing->size_of_link, NULL);
290 new_e_route->src_gateway = NULL;
291 new_e_route->dst_gateway = NULL;
293 xbt_assert(hierarchy == SURF_ROUTING_BASE
294 || hierarchy == SURF_ROUTING_RECURSIVE,
295 "the hierarchy type is not defined");
297 if (hierarchy == SURF_ROUTING_BASE) {
299 route = (route_t) data;
300 links = route->link_list;
302 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
304 e_route = (route_extended_t) data;
305 xbt_assert(e_route->src_gateway
306 && e_route->dst_gateway, "bad gateway, is null");
307 links = e_route->generic_route.link_list;
309 /* remeber not erase the gateway names */
310 new_e_route->src_gateway = strdup(e_route->src_gateway);
311 new_e_route->dst_gateway = strdup(e_route->dst_gateway);
314 links_id = new_e_route->generic_route.link_list;
316 xbt_dynar_foreach(links, cpt, link_name) {
318 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
321 xbt_dynar_push(links_id, &link);
323 xbt_dynar_unshift(links_id, &link);
325 THROWF(mismatch_error, 0, "Link %s not found", link_name);
331 void generic_free_route(route_t route)
334 xbt_dynar_free(&(route->link_list));
339 void generic_free_extended_route(route_extended_t e_route)
342 xbt_dynar_free(&(e_route->generic_route.link_list));
343 xbt_free(e_route->src_gateway);
344 xbt_free(e_route->dst_gateway);
349 static AS_t generic_as_exist(AS_t find_from,
352 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
353 xbt_dict_cursor_t cursor = NULL;
357 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
358 if (to_find == elem || generic_as_exist(elem, to_find)) {
369 generic_autonomous_system_exist(AS_t rc, char *element)
371 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
372 AS_t element_as, result, elem;
373 xbt_dict_cursor_t cursor = NULL;
375 element_as = ((network_element_info_t)
376 xbt_lib_get_or_null(as_router_lib, element,
377 ROUTING_ASR_LEVEL))->rc_component;
378 result = ((AS_t) - 1);
379 if (element_as != rc)
380 result = generic_as_exist(rc, element_as);
384 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
385 found = !strcmp(elem->name, element);
396 generic_processing_units_exist(AS_t rc, char *element)
399 element_as = ((network_element_info_t)
400 xbt_lib_get_or_null(host_lib,
401 element, ROUTING_HOST_LEVEL))->rc_component;
402 if (element_as == rc)
404 return generic_as_exist(rc, element_as);
407 void generic_src_dst_check(AS_t rc, const char *src,
411 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
412 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
414 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
416 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
418 if (src_data == NULL || dst_data == NULL)
419 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
423 ((network_element_info_t) src_data)->rc_component;
425 ((network_element_info_t) dst_data)->rc_component;
427 if (src_as != dst_as)
428 xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
429 src, src_as->name, dst, dst_as->name);
432 ("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
433 src, dst, src_as->name, dst_as->name, rc->name);