1 /* Copyright (c) 2009-2015. 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 "src/surf/surf_routing_private.hpp"
8 #include "src/surf/surf_routing_full.hpp"
9 #include "src/surf/network_interface.hpp"
11 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_full, surf, "Routing part of surf");
13 #define TO_ROUTE_FULL(i,j) p_routingTable[(i)+(j)*table_size]
15 AS_t model_full_create(void)
17 return new simgrid::surf::AsFull();
20 void model_full_end(AS_t _routing)
23 sg_platf_route_cbarg_t e_route;
26 simgrid::surf::AsFull *routing = static_cast<simgrid::surf::AsFull*>(_routing);
27 int table_size = (int)xbt_dynar_length(routing->p_indexNetworkElm);
29 /* Create table if necessary */
30 if (!routing->p_routingTable)
31 routing->p_routingTable = xbt_new0(sg_platf_route_cbarg_t, table_size * table_size);
33 /* Add the loopback if needed */
34 if (routing_platf->p_loopback && routing->p_hierarchy == SURF_ROUTING_BASE) {
35 for (i = 0; i < table_size; i++) {
36 e_route = routing->TO_ROUTE_FULL(i, i);
38 e_route = xbt_new0(s_sg_platf_route_cbarg_t, 1);
39 e_route->gw_src = NULL;
40 e_route->gw_dst = NULL;
41 e_route->link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
42 xbt_dynar_push(e_route->link_list, &routing_platf->p_loopback);
43 routing->TO_ROUTE_FULL(i, i) = e_route;
54 int table_size = (int)xbt_dynar_length(p_indexNetworkElm);
56 /* Delete routing table */
57 for (i = 0; i < table_size; i++)
58 for (j = 0; j < table_size; j++) {
59 if (TO_ROUTE_FULL(i,j)){
60 xbt_dynar_free(&TO_ROUTE_FULL(i,j)->link_list);
61 xbt_free(TO_ROUTE_FULL(i,j));
64 xbt_free(p_routingTable);
68 xbt_dynar_t AsFull::getOneLinkRoutes()
70 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
73 int table_size = xbt_dynar_length(p_indexNetworkElm);
75 for(src=0; src < table_size; src++) {
76 for(dst=0; dst< table_size; dst++) {
77 sg_platf_route_cbarg_t route = TO_ROUTE_FULL(src,dst);
79 if (xbt_dynar_length(route->link_list) == 1) {
80 void *link = *(void **) xbt_dynar_get_ptr(route->link_list, 0);
82 if (p_hierarchy == SURF_ROUTING_BASE) {
83 NetCard *tmp_src = xbt_dynar_get_as(p_indexNetworkElm, src, sg_netcard_t);
85 NetCard *tmp_dst = xbt_dynar_get_as(p_indexNetworkElm, dst, sg_netcard_t);
87 onelink = new Onelink(link, tmp_src, tmp_dst);
88 } else if (p_hierarchy == SURF_ROUTING_RECURSIVE)
89 onelink = new Onelink(link, route->gw_src, route->gw_dst);
91 onelink = new Onelink(link, NULL, NULL);
92 xbt_dynar_push(ret, &onelink);
93 XBT_DEBUG("Push route from '%d' to '%d'",
103 void AsFull::getRouteAndLatency(NetCard *src, NetCard *dst, sg_platf_route_cbarg_t res, double *lat)
105 XBT_DEBUG("full_get_route_and_latency from %s[%d] to %s[%d]",
112 size_t table_size = xbt_dynar_length(p_indexNetworkElm);
114 sg_platf_route_cbarg_t e_route = NULL;
116 unsigned int cpt = 0;
118 e_route = TO_ROUTE_FULL(src->getId(), dst->getId());
121 res->gw_src = e_route->gw_src;
122 res->gw_dst = e_route->gw_dst;
123 xbt_dynar_foreach(e_route->link_list, cpt, link) {
124 xbt_dynar_push(res->link_list, &link);
126 *lat += static_cast<Link*>(link)->getLatency();
131 void AsFull::parseASroute(sg_platf_route_cbarg_t route){
135 static int full_pointer_resource_cmp(const void *a, const void *b)
140 void AsFull::parseRoute(sg_platf_route_cbarg_t route)
143 char *src = (char*)(route->src);
144 char *dst = (char*)(route->dst);
145 NetCard *src_net_elm, *dst_net_elm;
146 src_net_elm = sg_netcard_by_name_or_null(src);
147 dst_net_elm = sg_netcard_by_name_or_null(dst);
149 xbt_assert(src_net_elm, "Network elements %s not found", src);
150 xbt_assert(dst_net_elm, "Network elements %s not found", dst);
152 size_t table_size = xbt_dynar_length(p_indexNetworkElm);
154 xbt_assert(!xbt_dynar_is_empty(route->link_list),
155 "Invalid count of links, must be greater than zero (%s,%s)",
159 p_routingTable = xbt_new0(sg_platf_route_cbarg_t, table_size * table_size);
161 if (TO_ROUTE_FULL(src_net_elm->getId(), dst_net_elm->getId())) {
164 xbt_dynar_t link_route_to_test =
165 xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
166 xbt_dynar_foreach(route->link_list, i, link_name) {
167 void *link = Link::byName(link_name);
168 xbt_assert(link, "Link : '%s' doesn't exists.", link_name);
169 xbt_dynar_push(link_route_to_test, &link);
171 if (xbt_dynar_compare(TO_ROUTE_FULL(src_net_elm->getId(), dst_net_elm->getId())->link_list,
172 link_route_to_test, full_pointer_resource_cmp)) {
173 surf_parse_error("A route between \"%s\" and \"%s\" already exists "
174 "with a different content. "
175 "If you are trying to define a reverse route, "
176 "you must set the symmetrical=no attribute to "
177 "your routes tags.", src, dst);
179 surf_parse_warn("Ignoring the identical redefinition of the route "
180 "between \"%s\" and \"%s\"", src, dst);
183 if (!route->gw_src && !route->gw_dst)
184 XBT_DEBUG("Load Route from \"%s\" to \"%s\"", src, dst);
186 // FIXME We can call a gw which is down the current AS (cf g5k.xml) but not upper.
187 // AS_t subas = xbt_dict_get_or_null(rc->routing_sons, src);
188 // if (subas == NULL)
189 // surf_parse_error("The source of an ASroute must be a sub-AS "
190 // "declared within the current AS, "
191 // "but '%s' is not an AS within '%s'", src, rc->name);
192 // if (subas->to_index
193 // && xbt_dict_get_or_null(subas->to_index, route->src_gateway) == NULL)
194 // surf_parse_error("In an ASroute, source gateway must be part of "
195 // "the source sub-AS (in particular, being in a "
196 // "sub-sub-AS is not allowed), "
197 // "but '%s' is not in '%s'.",
198 // route->src_gateway, subas->name);
200 // subas = xbt_dict_get_or_null(rc->routing_sons, dst);
201 // if (subas == NULL)
202 // surf_parse_error("The destination of an ASroute must be a sub-AS "
203 // "declared within the current AS, "
204 // "but '%s' is not an AS within '%s'", dst, rc->name);
205 // if (subas->to_index
206 // && xbt_dict_get_or_null(subas->to_index, route->dst_gateway) == NULL)
207 // surf_parse_error("In an ASroute, destination gateway must be "
208 // "part of the destination sub-AS (in particular, "
209 // "in a sub-sub-AS is not allowed), "
210 // "but '%s' is not in '%s'.",
211 // route->dst_gateway, subas->name);
213 XBT_DEBUG("Load ASroute from \"%s\" to \"%s\"", src, dst);
214 if (!route->gw_src ||
215 route->gw_src->getRcType() == SURF_NETWORK_ELEMENT_NULL)
216 surf_parse_error("The src_gateway \"%s\" does not exist!",
217 route->gw_src ? route->gw_src->getName() : "(null)");
218 if (!route->gw_dst ||
219 route->gw_dst->getRcType() == SURF_NETWORK_ELEMENT_NULL)
220 surf_parse_error("The dst_gateway \"%s\" does not exist!",
221 route->gw_dst ? route->gw_dst->getName() : "(null)");
222 XBT_DEBUG("ASroute goes from \"%s\" to \"%s\"",
223 route->gw_src->getName(), route->gw_dst->getName());
225 TO_ROUTE_FULL(src_net_elm->getId(), dst_net_elm->getId()) = newExtendedRoute(p_hierarchy, route, 1);
226 xbt_dynar_shrink(TO_ROUTE_FULL(src_net_elm->getId(), dst_net_elm->getId())->link_list, 0);
229 if ( (route->symmetrical == TRUE && as_route == 0)
230 || (route->symmetrical == TRUE && as_route == 1)
232 if (route->gw_dst && route->gw_src) {
234 gw_tmp = route->gw_src;
235 route->gw_src = route->gw_dst;
236 route->gw_dst = gw_tmp;
238 if (TO_ROUTE_FULL(dst_net_elm->getId(), src_net_elm->getId())) {
241 xbt_dynar_t link_route_to_test =
242 xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
243 for (i = xbt_dynar_length(route->link_list); i > 0; i--) {
244 link_name = xbt_dynar_get_as(route->link_list, i - 1, char *);
245 void *link = Link::byName(link_name);
246 xbt_assert(link, "Link : '%s' doesn't exists.", link_name);
247 xbt_dynar_push(link_route_to_test, &link);
249 xbt_assert(!xbt_dynar_compare(TO_ROUTE_FULL(dst_net_elm->getId(), src_net_elm->getId())->link_list,
251 full_pointer_resource_cmp),
252 "The route between \"%s\" and \"%s\" already exists", src,
255 if (!route->gw_dst && !route->gw_src)
256 XBT_DEBUG("Load Route from \"%s\" to \"%s\"", dst, src);
258 XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"",
259 dst, route->gw_src->getName(), src, route->gw_dst->getName());
260 TO_ROUTE_FULL(dst_net_elm->getId(), src_net_elm->getId()) = newExtendedRoute(p_hierarchy, route, 0);
261 xbt_dynar_shrink(TO_ROUTE_FULL(dst_net_elm->getId(), src_net_elm->getId())->link_list, 0);
264 xbt_dynar_free(&route->link_list);