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 model_type_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 =
130 xbt_new0(s_routing_component_full_t, 1);
131 new_component->generic_routing.set_processing_unit =
132 generic_set_processing_unit;
133 new_component->generic_routing.set_autonomous_system =
134 generic_set_autonomous_system;
135 new_component->generic_routing.set_route = model_full_set_route;
136 new_component->generic_routing.set_ASroute = model_full_set_route;
137 new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
138 new_component->generic_routing.get_route = full_get_route;
139 new_component->generic_routing.get_latency = generic_get_link_latency;
140 new_component->generic_routing.get_onelink_routes =
141 full_get_onelink_routes;
142 new_component->generic_routing.get_bypass_route =
143 generic_get_bypassroute;
144 new_component->generic_routing.finalize = full_finalize;
145 new_component->generic_routing.to_index = xbt_dict_new();
146 new_component->generic_routing.bypassRoutes = xbt_dict_new();
147 new_component->generic_routing.get_network_element_type = get_network_element_type;
148 return (routing_component_t) new_component;
151 void model_full_end(void)
154 route_extended_t e_route;
157 routing_component_full_t routing =
158 ((routing_component_full_t) current_routing);
159 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
161 /* Create table if necessary */
162 if(!routing->routing_table)
163 routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
165 /* Add the loopback if needed */
166 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
167 for (i = 0; i < table_size; i++) {
168 e_route = TO_ROUTE_FULL(i, i);
170 e_route = xbt_new0(s_route_extended_t, 1);
171 e_route->src_gateway = NULL;
172 e_route->dst_gateway = NULL;
173 e_route->generic_route.link_list =
174 xbt_dynar_new(global_routing->size_of_link, NULL);
175 xbt_dynar_push(e_route->generic_route.link_list,
176 &global_routing->loopback);
177 TO_ROUTE_FULL(i, i) = e_route;
183 static int surf_pointer_resource_cmp(const void *a, const void *b) {
187 void model_full_set_route(routing_component_t rc, const char *src,
188 const char *dst, name_route_extended_t route)
190 int *src_id, *dst_id;
191 src_id = xbt_dict_get_or_null(rc->to_index, src);
192 dst_id = xbt_dict_get_or_null(rc->to_index, dst);
193 routing_component_full_t routing = ((routing_component_full_t) rc);
194 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
196 xbt_assert(src_id, "Network elements %s not found", src);
197 xbt_assert(dst_id, "Network elements %s not found", dst);
199 xbt_assert(xbt_dynar_length(route->generic_route.link_list) > 0,
200 "Invalid count of links, must be greater than zero (%s,%s)",
203 if(!routing->routing_table)
204 routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
206 if(TO_ROUTE_FULL(*src_id, *dst_id))
210 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
211 xbt_dynar_foreach(route->generic_route.link_list,i,link_name)
213 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
214 xbt_assert(link,"Link : '%s' doesn't exists.",link_name);
215 xbt_dynar_push(link_route_to_test,&link);
217 xbt_assert(!xbt_dynar_compare(
218 (void*)TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list,
219 (void*)link_route_to_test,
220 (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
221 "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);
225 if(!route->dst_gateway && !route->src_gateway)
226 XBT_DEBUG("Load Route from \"%s\" to \"%s\"", src, dst);
228 XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
229 route->src_gateway, dst, route->dst_gateway);
230 if(global_routing->get_network_element_type((const char*)route->dst_gateway) == SURF_NETWORK_ELEMENT_NULL)
231 xbt_die("The dst_gateway '%s' does not exist!",route->dst_gateway);
232 if(global_routing->get_network_element_type((const char*)route->src_gateway) == SURF_NETWORK_ELEMENT_NULL)
233 xbt_die("The src_gateway '%s' does not exist!",route->src_gateway);
235 TO_ROUTE_FULL(*src_id, *dst_id) = generic_new_extended_route(rc->hierarchy,route,1);
236 xbt_dynar_shrink(TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list, 0);
239 if( A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES
240 || A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES )
242 if(route->dst_gateway && route->src_gateway)
245 gw_tmp = route->src_gateway;
246 route->src_gateway = route->dst_gateway;
247 route->dst_gateway = gw_tmp;
249 if(TO_ROUTE_FULL(*dst_id, *src_id))
253 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
254 for(i=xbt_dynar_length(route->generic_route.link_list) ;i>0 ;i--)
256 link_name = xbt_dynar_get_as(route->generic_route.link_list,i-1,void *);
257 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
258 xbt_assert(link,"Link : '%s' doesn't exists.",link_name);
259 xbt_dynar_push(link_route_to_test,&link);
261 xbt_assert(!xbt_dynar_compare(
262 (void*)TO_ROUTE_FULL(*dst_id, *src_id)->generic_route.link_list,
263 (void*)link_route_to_test,
264 (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
265 "The route between \"%s\" and \"%s\" already exists", src,dst);
269 if(!route->dst_gateway && !route->src_gateway)
270 XBT_DEBUG("Load Route from \"%s\" to \"%s\"", dst, src);
272 XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
273 route->src_gateway, src, route->dst_gateway);
274 TO_ROUTE_FULL(*dst_id, *src_id) = generic_new_extended_route(rc->hierarchy,route,0);
275 xbt_dynar_shrink(TO_ROUTE_FULL(*dst_id, *src_id)->generic_route.link_list, 0);
279 if (rc->hierarchy == SURF_ROUTING_BASE) generic_free_route((route_t)route) ;
280 else generic_free_extended_route((route_extended_t)route);