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 routing_component_t current_routing;
12 extern routing_model_description_t current_routing_model;
14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_full, surf, "Routing part of surf");
16 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
18 /* Routing model structure */
20 typedef struct s_routing_component_full {
21 s_routing_component_t generic_routing;
22 route_extended_t *routing_table;
23 } s_routing_component_full_t, *routing_component_full_t;
25 /* Business methods */
26 static xbt_dynar_t full_get_onelink_routes(routing_component_t rc)
28 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
30 routing_component_full_t routing = (routing_component_full_t) rc;
31 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
32 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
33 char *k1, *d1, *k2, *d2;
34 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
35 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
36 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k1);
37 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k2);
40 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
42 route_extended_t route = TO_ROUTE_FULL(*src_id, *dst_id);
44 if (xbt_dynar_length(route->generic_route.link_list) == 1) {
46 *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
48 onelink_t onelink = xbt_new0(s_onelink_t, 1);
49 onelink->link_ptr = link;
50 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
51 onelink->src = xbt_strdup(k1);
52 onelink->dst = xbt_strdup(k2);
53 } else if (routing->generic_routing.hierarchy ==
54 SURF_ROUTING_RECURSIVE) {
55 onelink->src = xbt_strdup(route->src_gateway);
56 onelink->dst = xbt_strdup(route->dst_gateway);
58 xbt_dynar_push(ret, &onelink);
66 static route_extended_t full_get_route(routing_component_t rc,
67 const char *src, const char *dst)
71 "Invalid params for \"get_route\" function at AS \"%s\"",
75 routing_component_full_t routing = (routing_component_full_t) rc;
76 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
78 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
79 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
82 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
85 route_extended_t e_route = NULL;
86 route_extended_t new_e_route = NULL;
90 e_route = TO_ROUTE_FULL(*src_id, *dst_id);
93 new_e_route = xbt_new0(s_route_extended_t, 1);
94 new_e_route->src_gateway = xbt_strdup(e_route->src_gateway);
95 new_e_route->dst_gateway = xbt_strdup(e_route->dst_gateway);
96 new_e_route->generic_route.link_list =
97 xbt_dynar_new(global_routing->size_of_link, NULL);
98 xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
99 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
105 static void full_finalize(routing_component_t rc)
107 routing_component_full_t routing = (routing_component_full_t) rc;
108 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
111 /* Delete routing table */
112 for (i = 0; i < table_size; i++)
113 for (j = 0; j < table_size; j++)
114 generic_free_extended_route(TO_ROUTE_FULL(i, j));
115 xbt_free(routing->routing_table);
116 /* Delete bypass dict */
117 xbt_dict_free(&rc->bypassRoutes);
118 /* Delete index dict */
119 xbt_dict_free(&rc->to_index);
120 /* Delete structure */
125 /* Creation routing model functions */
127 routing_component_t model_full_create(void)
129 routing_component_full_t new_component = (routing_component_full_t)
130 routmod_generic_create(sizeof(s_routing_component_full_t));
132 new_component->generic_routing.parse_route = model_full_set_route;
133 new_component->generic_routing.parse_ASroute = model_full_set_route;
134 new_component->generic_routing.get_route = full_get_route;
135 new_component->generic_routing.get_onelink_routes =
136 full_get_onelink_routes;
137 new_component->generic_routing.finalize = full_finalize;
139 return (routing_component_t) new_component;
142 void model_full_end(void)
145 route_extended_t e_route;
148 routing_component_full_t routing =
149 ((routing_component_full_t) current_routing);
150 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
152 /* Create table if necessary */
153 if(!routing->routing_table)
154 routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
156 /* Add the loopback if needed */
157 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
158 for (i = 0; i < table_size; i++) {
159 e_route = TO_ROUTE_FULL(i, i);
161 e_route = xbt_new0(s_route_extended_t, 1);
162 e_route->src_gateway = NULL;
163 e_route->dst_gateway = NULL;
164 e_route->generic_route.link_list =
165 xbt_dynar_new(global_routing->size_of_link, NULL);
166 xbt_dynar_push(e_route->generic_route.link_list,
167 &global_routing->loopback);
168 TO_ROUTE_FULL(i, i) = e_route;
174 static int surf_pointer_resource_cmp(const void *a, const void *b) {
178 void model_full_set_route(routing_component_t rc, const char *src,
179 const char *dst, route_extended_t route)
181 int *src_id, *dst_id;
182 src_id = xbt_dict_get_or_null(rc->to_index, src);
183 dst_id = xbt_dict_get_or_null(rc->to_index, dst);
184 routing_component_full_t routing = ((routing_component_full_t) rc);
185 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
187 xbt_assert(src_id, "Network elements %s not found", src);
188 xbt_assert(dst_id, "Network elements %s not found", dst);
190 xbt_assert(xbt_dynar_length(route->generic_route.link_list) > 0,
191 "Invalid count of links, must be greater than zero (%s,%s)",
194 if(!routing->routing_table)
195 routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
197 if(TO_ROUTE_FULL(*src_id, *dst_id))
201 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
202 xbt_dynar_foreach(route->generic_route.link_list,i,link_name)
204 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
205 xbt_assert(link,"Link : '%s' doesn't exists.",link_name);
206 xbt_dynar_push(link_route_to_test,&link);
208 xbt_assert(!xbt_dynar_compare(
209 (void*)TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list,
210 (void*)link_route_to_test,
211 (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
212 "The route between \"%s\" and \"%s\" already exists. If you are trying to define a reverse route, you must set the symmetrical=no attribute to your routes tags.", src,dst);
216 if(!route->dst_gateway && !route->src_gateway)
217 XBT_DEBUG("Load Route from \"%s\" to \"%s\"", src, dst);
219 XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
220 route->src_gateway, dst, route->dst_gateway);
221 if(global_routing->get_network_element_type((const char*)route->dst_gateway) == SURF_NETWORK_ELEMENT_NULL)
222 xbt_die("The dst_gateway '%s' does not exist!",route->dst_gateway);
223 if(global_routing->get_network_element_type((const char*)route->src_gateway) == SURF_NETWORK_ELEMENT_NULL)
224 xbt_die("The src_gateway '%s' does not exist!",route->src_gateway);
226 TO_ROUTE_FULL(*src_id, *dst_id) = generic_new_extended_route(rc->hierarchy,route,1);
227 xbt_dynar_shrink(TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list, 0);
230 if( A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES
231 || A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES )
233 if(route->dst_gateway && route->src_gateway)
236 gw_tmp = route->src_gateway;
237 route->src_gateway = route->dst_gateway;
238 route->dst_gateway = gw_tmp;
240 if(TO_ROUTE_FULL(*dst_id, *src_id))
244 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
245 for(i=xbt_dynar_length(route->generic_route.link_list) ;i>0 ;i--)
247 link_name = xbt_dynar_get_as(route->generic_route.link_list,i-1,void *);
248 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
249 xbt_assert(link,"Link : '%s' doesn't exists.",link_name);
250 xbt_dynar_push(link_route_to_test,&link);
252 xbt_assert(!xbt_dynar_compare(
253 (void*)TO_ROUTE_FULL(*dst_id, *src_id)->generic_route.link_list,
254 (void*)link_route_to_test,
255 (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
256 "The route between \"%s\" and \"%s\" already exists", src,dst);
260 if(!route->dst_gateway && !route->src_gateway)
261 XBT_DEBUG("Load Route from \"%s\" to \"%s\"", dst, src);
263 XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
264 route->src_gateway, src, route->dst_gateway);
265 TO_ROUTE_FULL(*dst_id, *src_id) = generic_new_extended_route(rc->hierarchy,route,0);
266 xbt_dynar_shrink(TO_ROUTE_FULL(*dst_id, *src_id)->generic_route.link_list, 0);
270 if (rc->hierarchy == SURF_ROUTING_BASE) generic_free_route((route_t)route) ;
271 else generic_free_extended_route((route_extended_t)route);