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 extern routing_component_t current_routing;
19 routing_component_t routmod_generic_create(size_t childsize) {
20 routing_component_t new_component = xbt_malloc0(childsize);
22 new_component->parse_PU = generic_parse_PU;
23 new_component->parse_AS = generic_parse_AS;
24 new_component->parse_route = NULL;
25 new_component->parse_ASroute = NULL;
26 new_component->parse_bypassroute = generic_parse_bypassroute;
27 new_component->get_route = NULL;
28 new_component->get_latency = generic_get_link_latency;
29 new_component->get_onelink_routes = NULL;
30 new_component->get_bypass_route =
31 generic_get_bypassroute;
32 new_component->finalize = NULL;
33 new_component->to_index = xbt_dict_new();
34 new_component->bypassRoutes = xbt_dict_new();
35 new_component->get_network_element_type = get_network_element_type;
41 void generic_parse_PU(routing_component_t rc, const char *name)
43 XBT_DEBUG("Load process unit \"%s\"", name);
44 int *id = xbt_new0(int, 1);
46 _to_index = current_routing->to_index;
47 *id = xbt_dict_length(_to_index);
48 xbt_dict_set(_to_index, name, id, xbt_free);
51 void generic_parse_AS(routing_component_t rc, const char *name)
53 XBT_DEBUG("Load Autonomous system \"%s\"", name);
54 int *id = xbt_new0(int, 1);
56 _to_index = current_routing->to_index;
57 *id = xbt_dict_length(_to_index);
58 xbt_dict_set(_to_index, name, id, xbt_free);
61 void generic_parse_bypassroute(routing_component_t rc,
62 const char *src, const char *dst,
63 route_extended_t e_route)
65 XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
66 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
69 route_name = bprintf("%s#%s", src, dst);
70 xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
71 "Invalid count of links, must be greater than zero (%s,%s)",
73 xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
74 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
75 src, e_route->src_gateway, dst, e_route->dst_gateway);
77 route_extended_t new_e_route =
78 generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
79 xbt_dynar_free(&(e_route->generic_route.link_list));
82 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
83 (void (*)(void *)) generic_free_extended_route);
87 /* ************************************************************************** */
88 /* *********************** GENERIC BUSINESS METHODS ************************* */
90 double generic_get_link_latency(routing_component_t rc,
91 const char *src, const char *dst,
92 route_extended_t route)
94 int need_to_clean = route ? 0 : 1;
99 route = route ? route : rc->get_route(rc, src, dst);
101 xbt_dynar_foreach(route->generic_route.link_list, i, link) {
102 latency += surf_network_model->extension.network.get_link_latency(link);
105 generic_free_extended_route(route);
109 xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
111 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
114 route_extended_t generic_get_bypassroute(routing_component_t rc,
115 const char *src, const char *dst)
117 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
118 routing_component_t src_as, dst_as;
119 int index_src, index_dst;
120 xbt_dynar_t path_src = NULL;
121 xbt_dynar_t path_dst = NULL;
122 routing_component_t current = NULL;
123 routing_component_t *current_src = NULL;
124 routing_component_t *current_dst = NULL;
126 /* (1) find the as where the src and dst are located */
127 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
128 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
130 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
132 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
134 if (src_data == NULL || dst_data == NULL)
135 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
138 src_as = ((network_element_info_t) src_data)->rc_component;
139 dst_as = ((network_element_info_t) dst_data)->rc_component;
141 /* (2) find the path to the root routing component */
142 path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
144 while (current != NULL) {
145 xbt_dynar_push(path_src, ¤t);
146 current = current->routing_father;
148 path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
150 while (current != NULL) {
151 xbt_dynar_push(path_dst, ¤t);
152 current = current->routing_father;
155 /* (3) find the common father */
156 index_src = path_src->used - 1;
157 index_dst = path_dst->used - 1;
158 current_src = xbt_dynar_get_ptr(path_src, index_src);
159 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
160 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
161 xbt_dynar_pop_ptr(path_src);
162 xbt_dynar_pop_ptr(path_dst);
165 current_src = xbt_dynar_get_ptr(path_src, index_src);
166 current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
169 int max_index_src = path_src->used - 1;
170 int max_index_dst = path_dst->used - 1;
172 int max_index = max(max_index_src, max_index_dst);
175 route_extended_t e_route_bypass = NULL;
177 for (max = 0; max <= max_index; max++) {
178 for (i = 0; i < max; i++) {
179 if (i <= max_index_src && max <= max_index_dst) {
180 char *route_name = bprintf("%s#%s",
181 (*(routing_component_t *)
182 (xbt_dynar_get_ptr(path_src, i)))->name,
183 (*(routing_component_t *)
184 (xbt_dynar_get_ptr(path_dst, max)))->name);
185 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
186 xbt_free(route_name);
190 if (max <= max_index_src && i <= max_index_dst) {
191 char *route_name = bprintf("%s#%s",
192 (*(routing_component_t *)
193 (xbt_dynar_get_ptr(path_src, max)))->name,
194 (*(routing_component_t *)
195 (xbt_dynar_get_ptr(path_dst, i)))->name);
196 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
197 xbt_free(route_name);
206 if (max <= max_index_src && max <= max_index_dst) {
207 char *route_name = bprintf("%s#%s",
208 (*(routing_component_t *)
209 (xbt_dynar_get_ptr(path_src, max)))->name,
210 (*(routing_component_t *)
211 (xbt_dynar_get_ptr(path_dst, max)))->name);
212 e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
213 xbt_free(route_name);
219 xbt_dynar_free(&path_src);
220 xbt_dynar_free(&path_dst);
222 route_extended_t new_e_route = NULL;
224 if (e_route_bypass) {
226 unsigned int cpt = 0;
227 new_e_route = xbt_new0(s_route_extended_t, 1);
228 new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
229 new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
230 new_e_route->generic_route.link_list =
231 xbt_dynar_new(global_routing->size_of_link, NULL);
232 xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
233 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
240 /* ************************************************************************** */
241 /* ************************* GENERIC AUX FUNCTIONS ************************** */
244 generic_new_route(e_surf_routing_hierarchy_t hierarchy, void *data, int order)
250 xbt_dynar_t links = NULL, links_id = NULL;
252 new_route = xbt_new0(s_route_t, 1);
253 new_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
255 xbt_assert(hierarchy == SURF_ROUTING_BASE,
256 "the hierarchy type is not SURF_ROUTING_BASE");
258 links = ((route_t) data)->link_list;
261 links_id = new_route->link_list;
263 xbt_dynar_foreach(links, cpt, link_name) {
265 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
268 xbt_dynar_push(links_id, &link);
270 xbt_dynar_unshift(links_id, &link);
272 THROWF(mismatch_error, 0, "Link %s not found", link_name);
279 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
280 void *data, int order)
284 route_extended_t e_route, new_e_route;
287 xbt_dynar_t links = NULL, links_id = NULL;
289 new_e_route = xbt_new0(s_route_extended_t, 1);
290 new_e_route->generic_route.link_list =
291 xbt_dynar_new(global_routing->size_of_link, NULL);
292 new_e_route->src_gateway = NULL;
293 new_e_route->dst_gateway = NULL;
295 xbt_assert(hierarchy == SURF_ROUTING_BASE
296 || hierarchy == SURF_ROUTING_RECURSIVE,
297 "the hierarchy type is not defined");
299 if (hierarchy == SURF_ROUTING_BASE) {
301 route = (route_t) data;
302 links = route->link_list;
304 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
306 e_route = (route_extended_t) data;
307 xbt_assert(e_route->src_gateway
308 && e_route->dst_gateway, "bad gateway, is null");
309 links = e_route->generic_route.link_list;
311 /* remeber not erase the gateway names */
312 new_e_route->src_gateway = strdup(e_route->src_gateway);
313 new_e_route->dst_gateway = strdup(e_route->dst_gateway);
316 links_id = new_e_route->generic_route.link_list;
318 xbt_dynar_foreach(links, cpt, link_name) {
320 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
323 xbt_dynar_push(links_id, &link);
325 xbt_dynar_unshift(links_id, &link);
327 THROWF(mismatch_error, 0, "Link %s not found", link_name);
333 void generic_free_route(route_t route)
336 xbt_dynar_free(&(route->link_list));
341 void generic_free_extended_route(route_extended_t e_route)
344 xbt_dynar_free(&(e_route->generic_route.link_list));
345 xbt_free(e_route->src_gateway);
346 xbt_free(e_route->dst_gateway);
351 static routing_component_t generic_as_exist(routing_component_t find_from,
352 routing_component_t to_find)
354 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
355 xbt_dict_cursor_t cursor = NULL;
358 routing_component_t elem;
359 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
360 if (to_find == elem || generic_as_exist(elem, to_find)) {
371 generic_autonomous_system_exist(routing_component_t rc, char *element)
373 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
374 routing_component_t element_as, result, elem;
375 xbt_dict_cursor_t cursor = NULL;
377 element_as = ((network_element_info_t)
378 xbt_lib_get_or_null(as_router_lib, element,
379 ROUTING_ASR_LEVEL))->rc_component;
380 result = ((routing_component_t) - 1);
381 if (element_as != rc)
382 result = generic_as_exist(rc, element_as);
386 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
387 found = !strcmp(elem->name, element);
398 generic_processing_units_exist(routing_component_t rc, char *element)
400 routing_component_t element_as;
401 element_as = ((network_element_info_t)
402 xbt_lib_get_or_null(host_lib,
403 element, ROUTING_HOST_LEVEL))->rc_component;
404 if (element_as == rc)
406 return generic_as_exist(rc, element_as);
409 void generic_src_dst_check(routing_component_t rc, const char *src,
413 void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
414 void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
416 src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
418 dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
420 if (src_data == NULL || dst_data == NULL)
421 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
424 routing_component_t src_as =
425 ((network_element_info_t) src_data)->rc_component;
426 routing_component_t dst_as =
427 ((network_element_info_t) dst_data)->rc_component;
429 if (src_as != dst_as)
430 xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
431 src, src_as->name, dst, dst_as->name);
434 ("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
435 src, dst, src_as->name, dst_as->name, rc->name);