Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
plug a bunch of memleaks
[simgrid.git] / src / surf / surf_routing_full.c
1 /* Copyright (c) 2009, 2010, 2011. The SimGrid Team.
2  * All rights reserved.                                                     */
3
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. */
6
7 #include "surf_routing_private.h"
8
9 /* Global vars */
10 extern routing_global_t global_routing;
11
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_full, surf, "Routing part of surf");
13
14 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
15
16 /* Routing model structure */
17
18 typedef struct s_routing_component_full {
19   s_as_t generic_routing;
20   route_t *routing_table;
21 } s_routing_component_full_t, *routing_component_full_t;
22
23 /* Business methods */
24 static xbt_dynar_t full_get_onelink_routes(AS_t rc)
25 {
26   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
27
28   routing_component_full_t routing = (routing_component_full_t) rc;
29   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
30   xbt_dict_cursor_t c1 = NULL, c2 = NULL;
31   char *k1, *d1, *k2, *d2;
32   xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
33     xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
34       int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k1);
35       int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k2);
36       xbt_assert(src_id
37                   && dst_id,
38                   "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",
39                   k1, k2);
40       route_t route = TO_ROUTE_FULL(*src_id, *dst_id);
41       if (route) {
42         if (xbt_dynar_length(route->link_list) == 1) {
43           void *link =
44               *(void **) xbt_dynar_get_ptr(route->link_list,
45                                            0);
46           onelink_t onelink = xbt_new0(s_onelink_t, 1);
47           onelink->link_ptr = link;
48           if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
49             onelink->src = xbt_strdup(k1);
50             onelink->dst = xbt_strdup(k2);
51           } else if (routing->generic_routing.hierarchy ==
52                      SURF_ROUTING_RECURSIVE) {
53             onelink->src = xbt_strdup(route->src_gateway);
54             onelink->dst = xbt_strdup(route->dst_gateway);
55           }
56           xbt_dynar_push(ret, &onelink);
57         }
58       }
59     }
60   }
61   return ret;
62 }
63
64 static void full_get_route_and_latency(AS_t rc,
65                            const char *src, const char *dst,
66                            route_t res,double *lat)
67 {
68
69   /* set utils vars */
70   routing_component_full_t routing = (routing_component_full_t) rc;
71   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
72
73   int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
74   int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
75
76   if (!src_id || !dst_id)
77     THROWF(arg_error,0,"No route from '%s' to '%s'",src,dst);
78
79   route_t e_route = NULL;
80   void *link;
81   unsigned int cpt = 0;
82
83   e_route = TO_ROUTE_FULL(*src_id, *dst_id);
84
85   if (e_route) {
86     res->src_gateway = xbt_strdup(e_route->src_gateway);
87     res->dst_gateway = xbt_strdup(e_route->dst_gateway);
88     xbt_dynar_foreach(e_route->link_list, cpt, link) {
89       xbt_dynar_push(res->link_list, &link);
90       if (lat)
91         *lat += surf_network_model->extension.network.get_link_latency(link);
92     }
93   }
94 }
95
96 static void full_finalize(AS_t rc)
97 {
98   routing_component_full_t routing = (routing_component_full_t) rc;
99   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
100   int i, j;
101   if (routing) {
102     /* Delete routing table */
103     for (i = 0; i < table_size; i++)
104       for (j = 0; j < table_size; j++)
105         generic_free_route(TO_ROUTE_FULL(i, j));
106     xbt_free(routing->routing_table);
107     model_generic_finalize(rc);
108   }
109 }
110
111 /* Creation routing model functions */
112
113 AS_t model_full_create(void)
114 {
115   routing_component_full_t new_component = (routing_component_full_t)
116       model_generic_create_sized(sizeof(s_routing_component_full_t));
117
118   new_component->generic_routing.parse_route = model_full_set_route;
119   new_component->generic_routing.parse_ASroute = model_full_set_route;
120   new_component->generic_routing.get_route_and_latency = full_get_route_and_latency;
121   new_component->generic_routing.get_onelink_routes =
122       full_get_onelink_routes;
123   new_component->generic_routing.finalize = full_finalize;
124
125   return (AS_t) new_component;
126 }
127
128 void model_full_end(AS_t current_routing)
129 {
130   unsigned int i;
131   route_t e_route;
132
133   /* set utils vars */
134   routing_component_full_t routing =
135       ((routing_component_full_t) current_routing);
136   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
137
138   /* Create table if necessary */
139   if(!routing->routing_table)
140           routing->routing_table = xbt_new0(route_t, table_size * table_size);
141
142   /* Add the loopback if needed */
143   if (current_routing->hierarchy == SURF_ROUTING_BASE) {
144     for (i = 0; i < table_size; i++) {
145       e_route = TO_ROUTE_FULL(i, i);
146       if (!e_route) {
147         e_route = xbt_new0(s_route_t, 1);
148         e_route->src_gateway = NULL;
149         e_route->dst_gateway = NULL;
150         e_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
151         xbt_dynar_push(e_route->link_list,
152                        &global_routing->loopback);
153         TO_ROUTE_FULL(i, i) = e_route;
154       }
155     }
156   }
157 }
158
159 static int surf_pointer_resource_cmp(const void *a, const void *b) {
160   return a != b;
161 }
162
163 void model_full_set_route(AS_t rc, const char *src,
164                 const char *dst, route_t route)
165 {
166         int *src_id, *dst_id;
167         src_id = xbt_dict_get_or_null(rc->to_index, src);
168         dst_id = xbt_dict_get_or_null(rc->to_index, dst);
169         routing_component_full_t routing = ((routing_component_full_t) rc);
170         size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
171
172         xbt_assert(src_id, "Network elements %s not found", src);
173         xbt_assert(dst_id, "Network elements %s not found", dst);
174
175         xbt_assert(!xbt_dynar_is_empty(route->link_list),
176                           "Invalid count of links, must be greater than zero (%s,%s)",
177                           src, dst);
178
179         if(!routing->routing_table)
180                 routing->routing_table = xbt_new0(route_t, table_size * table_size);
181
182         if(TO_ROUTE_FULL(*src_id, *dst_id))
183         {
184                 char * link_name;
185                 unsigned int i;
186                 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
187                 xbt_dynar_foreach(route->link_list,i,link_name)
188                 {
189                         void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
190                         xbt_assert(link,"Link : '%s' doesn't exists.",link_name);
191                         xbt_dynar_push(link_route_to_test,&link);
192                 }
193                 xbt_assert(!xbt_dynar_compare(
194                           (void*)TO_ROUTE_FULL(*src_id, *dst_id)->link_list,
195                           (void*)link_route_to_test,
196                           (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
197                           "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);
198         }
199         else
200         {
201                   if(!route->dst_gateway && !route->src_gateway)
202                           XBT_DEBUG("Load Route from \"%s\" to \"%s\"", src, dst);
203                   else{
204                           XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
205                                  route->src_gateway, dst, route->dst_gateway);
206                           if(routing_get_network_element_type((const char*)route->dst_gateway) == SURF_NETWORK_ELEMENT_NULL)
207                                   xbt_die("The dst_gateway '%s' does not exist!",route->dst_gateway);
208                           if(routing_get_network_element_type((const char*)route->src_gateway) == SURF_NETWORK_ELEMENT_NULL)
209                                   xbt_die("The src_gateway '%s' does not exist!",route->src_gateway);
210                   }
211               TO_ROUTE_FULL(*src_id, *dst_id) = generic_new_extended_route(rc->hierarchy,route,1);
212               xbt_dynar_shrink(TO_ROUTE_FULL(*src_id, *dst_id)->link_list, 0);
213         }
214
215         if( A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES
216                 || A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES )
217         {
218                 if(route->dst_gateway && route->src_gateway)
219                 {
220                   char *gw_tmp ;
221                   gw_tmp = route->src_gateway;
222                   route->src_gateway = route->dst_gateway;
223                   route->dst_gateway = gw_tmp;
224                 }
225                 if(TO_ROUTE_FULL(*dst_id, *src_id))
226                 {
227                         char * link_name;
228                         unsigned int i;
229                         xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
230                         for(i=xbt_dynar_length(route->link_list) ;i>0 ;i--)
231                         {
232                                 link_name = xbt_dynar_get_as(route->link_list,i-1,void *);
233                                 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
234                                 xbt_assert(link,"Link : '%s' doesn't exists.",link_name);
235                                 xbt_dynar_push(link_route_to_test,&link);
236                         }
237                         xbt_assert(!xbt_dynar_compare(
238                                   (void*)TO_ROUTE_FULL(*dst_id, *src_id)->link_list,
239                               (void*)link_route_to_test,
240                                   (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
241                                   "The route between \"%s\" and \"%s\" already exists", src,dst);
242                 }
243                 else
244                 {
245                           if(!route->dst_gateway && !route->src_gateway)
246                                   XBT_DEBUG("Load Route from \"%s\" to \"%s\"", dst, src);
247                           else
248                                   XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
249                                          route->src_gateway, src, route->dst_gateway);
250                       TO_ROUTE_FULL(*dst_id, *src_id) = generic_new_extended_route(rc->hierarchy,route,0);
251                       xbt_dynar_shrink(TO_ROUTE_FULL(*dst_id, *src_id)->link_list, 0);
252                 }
253         }
254 }