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 "surf_routing_private.h"
10 extern routing_global_t global_routing;
11 extern int surf_parse_lineno;
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_full, surf, "Routing part of surf");
15 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
17 /* Routing model structure */
19 typedef struct s_routing_component_full {
20 s_as_t generic_routing;
21 route_t *routing_table;
22 } s_routing_component_full_t, *routing_component_full_t;
24 /* Business methods */
25 static xbt_dynar_t full_get_onelink_routes(AS_t rc)
27 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
29 routing_component_full_t routing = (routing_component_full_t) rc;
30 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
31 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
32 char *k1, *d1, *k2, *d2;
33 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
34 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
35 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k1);
36 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k2);
39 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
41 route_t route = TO_ROUTE_FULL(*src_id, *dst_id);
43 if (xbt_dynar_length(route->link_list) == 1) {
45 *(void **) xbt_dynar_get_ptr(route->link_list,
47 onelink_t onelink = xbt_new0(s_onelink_t, 1);
48 onelink->link_ptr = link;
49 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
50 onelink->src = xbt_strdup(k1);
51 onelink->dst = xbt_strdup(k2);
52 } else if (routing->generic_routing.hierarchy ==
53 SURF_ROUTING_RECURSIVE) {
54 onelink->src = xbt_strdup(route->src_gateway);
55 onelink->dst = xbt_strdup(route->dst_gateway);
57 xbt_dynar_push(ret, &onelink);
65 static void full_get_route_and_latency(AS_t rc,
66 const char *src, const char *dst,
67 route_t res,double *lat)
71 routing_component_full_t routing = (routing_component_full_t) rc;
72 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
74 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
75 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
77 if (!src_id || !dst_id)
78 THROWF(arg_error,0,"No route from '%s' to '%s'",src,dst);
80 route_t e_route = NULL;
84 e_route = TO_ROUTE_FULL(*src_id, *dst_id);
87 res->src_gateway = xbt_strdup(e_route->src_gateway);
88 res->dst_gateway = xbt_strdup(e_route->dst_gateway);
89 xbt_dynar_foreach(e_route->link_list, cpt, link) {
90 xbt_dynar_push(res->link_list, &link);
92 *lat += surf_network_model->extension.network.get_link_latency(link);
97 static void full_finalize(AS_t rc)
99 routing_component_full_t routing = (routing_component_full_t) rc;
100 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
103 /* Delete routing table */
104 for (i = 0; i < table_size; i++)
105 for (j = 0; j < table_size; j++)
106 generic_free_route(TO_ROUTE_FULL(i, j));
107 xbt_free(routing->routing_table);
108 model_generic_finalize(rc);
112 /* Creation routing model functions */
114 AS_t model_full_create(void)
116 routing_component_full_t new_component = (routing_component_full_t)
117 model_generic_create_sized(sizeof(s_routing_component_full_t));
119 new_component->generic_routing.parse_route = model_full_set_route;
120 new_component->generic_routing.parse_ASroute = model_full_set_route;
121 new_component->generic_routing.get_route_and_latency = full_get_route_and_latency;
122 new_component->generic_routing.get_onelink_routes =
123 full_get_onelink_routes;
124 new_component->generic_routing.finalize = full_finalize;
126 return (AS_t) new_component;
129 void model_full_end(AS_t current_routing)
135 routing_component_full_t routing =
136 ((routing_component_full_t) current_routing);
137 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
139 /* Create table if necessary */
140 if(!routing->routing_table)
141 routing->routing_table = xbt_new0(route_t, table_size * table_size);
143 /* Add the loopback if needed */
144 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
145 for (i = 0; i < table_size; i++) {
146 e_route = TO_ROUTE_FULL(i, i);
148 e_route = xbt_new0(s_route_t, 1);
149 e_route->src_gateway = NULL;
150 e_route->dst_gateway = NULL;
151 e_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
152 xbt_dynar_push(e_route->link_list,
153 &global_routing->loopback);
154 TO_ROUTE_FULL(i, i) = e_route;
160 static int full_pointer_resource_cmp(const void *a, const void *b) {
164 void model_full_set_route(AS_t rc, const char *src,
165 const char *dst, route_t route)
167 int *src_id, *dst_id;
168 src_id = xbt_dict_get_or_null(rc->to_index, src);
169 dst_id = xbt_dict_get_or_null(rc->to_index, dst);
170 routing_component_full_t routing = ((routing_component_full_t) rc);
171 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
173 xbt_assert(src_id, "Network elements %s not found", src);
174 xbt_assert(dst_id, "Network elements %s not found", dst);
176 xbt_assert(!xbt_dynar_is_empty(route->link_list),
177 "Invalid count of links, must be greater than zero (%s,%s)",
180 if(!routing->routing_table)
181 routing->routing_table = xbt_new0(route_t, table_size * table_size);
183 if(TO_ROUTE_FULL(*src_id, *dst_id))
187 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
188 xbt_dynar_foreach(route->link_list,i,link_name)
190 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
191 xbt_assert(link,"Link : '%s' doesn't exists.",link_name);
192 xbt_dynar_push(link_route_to_test,&link);
194 if (xbt_dynar_compare((void*)TO_ROUTE_FULL(*src_id, *dst_id)->link_list,
195 (void*)link_route_to_test,
196 (int_f_cpvoid_cpvoid_t) full_pointer_resource_cmp)) {
197 surf_parse_error("A route between \"%s\" and \"%s\" already exists with a different content. "
198 "If you are trying to define a reverse route, you must set the symmetrical=no "
199 "attribute to your routes tags.", src,dst);
201 surf_parse_warn("Ignoring the identical redefinition of the route between \"%s\" and \"%s\"",src,dst);
206 if(!route->dst_gateway && !route->src_gateway)
207 XBT_DEBUG("Load Route from \"%s\" to \"%s\"", src, dst);
209 XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
210 route->src_gateway, dst, route->dst_gateway);
211 if(routing_get_network_element_type((const char*)route->dst_gateway) == SURF_NETWORK_ELEMENT_NULL)
212 xbt_die("The dst_gateway '%s' does not exist!",route->dst_gateway);
213 if(routing_get_network_element_type((const char*)route->src_gateway) == SURF_NETWORK_ELEMENT_NULL)
214 xbt_die("The src_gateway '%s' does not exist!",route->src_gateway);
216 TO_ROUTE_FULL(*src_id, *dst_id) = generic_new_extended_route(rc->hierarchy,route,1);
217 xbt_dynar_shrink(TO_ROUTE_FULL(*src_id, *dst_id)->link_list, 0);
220 if( A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES
221 || A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES )
223 if(route->dst_gateway && route->src_gateway)
226 gw_tmp = route->src_gateway;
227 route->src_gateway = route->dst_gateway;
228 route->dst_gateway = gw_tmp;
230 if(TO_ROUTE_FULL(*dst_id, *src_id))
234 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
235 for(i=xbt_dynar_length(route->link_list) ;i>0 ;i--)
237 link_name = xbt_dynar_get_as(route->link_list,i-1,void *);
238 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
239 xbt_assert(link,"Link : '%s' doesn't exists.",link_name);
240 xbt_dynar_push(link_route_to_test,&link);
242 xbt_assert(!xbt_dynar_compare(
243 (void*)TO_ROUTE_FULL(*dst_id, *src_id)->link_list,
244 (void*)link_route_to_test,
245 (int_f_cpvoid_cpvoid_t) full_pointer_resource_cmp),
246 "The route between \"%s\" and \"%s\" already exists", src,dst);
250 if(!route->dst_gateway && !route->src_gateway)
251 XBT_DEBUG("Load Route from \"%s\" to \"%s\"", dst, src);
253 XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
254 route->src_gateway, src, route->dst_gateway);
255 TO_ROUTE_FULL(*dst_id, *src_id) = generic_new_extended_route(rc->hierarchy,route,0);
256 xbt_dynar_shrink(TO_ROUTE_FULL(*dst_id, *src_id)->link_list, 0);