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 <pcre.h> /* regular expression library */
9 #include "simgrid/platf_interface.h" // platform creation API internal interface
11 #include "surf_routing_private.h"
12 #include "surf/surf_routing.h"
13 #include "surf/surfxml_parse_values.h"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_routing_generic, surf_route, "Generic implementation of the surf routing");
17 static int no_bypassroute_declared = 1;
19 AS_t model_generic_create_sized(size_t childsize) {
20 AS_t new_component = model_none_create_sized(childsize);
22 new_component->parse_PU = generic_parse_PU;
23 new_component->parse_AS = generic_parse_AS;
24 new_component->parse_route = NULL;
25 new_component->parse_ASroute = NULL;
26 new_component->parse_bypassroute = generic_parse_bypassroute;
27 new_component->get_route_and_latency = NULL;
28 new_component->get_onelink_routes = NULL;
29 new_component->get_bypass_route =
30 generic_get_bypassroute;
31 new_component->finalize = model_generic_finalize;
32 new_component->bypassRoutes = xbt_dict_new_homogeneous((void (*)(void *)) generic_free_route);
36 void model_generic_finalize(AS_t as) {
37 xbt_dict_free(&as->bypassRoutes);
38 model_none_finalize(as);
41 int generic_parse_PU(AS_t as, network_element_t elm)
43 XBT_DEBUG("Load process unit \"%s\"", elm->name);
44 xbt_dynar_push_as(as->index_network_elm,network_element_t,elm);
45 return xbt_dynar_length(as->index_network_elm)-1;
48 int generic_parse_AS(AS_t as, network_element_t elm)
50 XBT_DEBUG("Load Autonomous system \"%s\"", elm->name);
51 xbt_dynar_push_as(as->index_network_elm,network_element_t,elm);
52 return xbt_dynar_length(as->index_network_elm)-1;
55 void generic_parse_bypassroute(AS_t rc,
56 const char *src, const char *dst,
59 if(e_route->dst_gateway)
60 XBT_INFO("Load bypassASroute from \"%s\" to \"%s\"", src, dst);
62 XBT_INFO("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
63 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
66 route_name = bprintf("%s#%s", src, dst);
67 xbt_assert(!xbt_dynar_is_empty(e_route->link_list),
68 "Invalid count of links, must be greater than zero (%s,%s)",
70 xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
71 "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
72 src, e_route->src_gateway->name, dst, e_route->dst_gateway->name);
74 route_t new_e_route = NULL;
75 if(e_route->dst_gateway)
76 new_e_route = generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 1);
78 new_e_route = generic_new_route(SURF_ROUTING_BASE, e_route, 1);
80 xbt_dynar_free(&(e_route->link_list));
83 xbt_dict_set(dict_bypassRoutes, route_name, new_e_route, NULL);
84 no_bypassroute_declared = 0;
88 /* ************************************************************************** */
89 /* *********************** GENERIC BUSINESS METHODS ************************* */
91 xbt_dynar_t generic_get_onelink_routes(AS_t rc) { // FIXME: kill that stub
92 xbt_die("\"generic_get_onelink_routes\" not implemented yet");
96 route_t generic_get_bypassroute(AS_t rc, network_element_t src, network_element_t dst, double *lat)
98 // If never set a bypass route return NULL without any further computations
99 XBT_DEBUG("generic_get_bypassroute from %s to %s",src->name,dst->name);
100 if(no_bypassroute_declared)
103 xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
105 if (src == NULL || dst == NULL)
106 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
107 src->name, dst->name, rc->name);
109 char *route_name = bprintf("%s#%s", src->name, dst->name);
110 route_t e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
112 XBT_DEBUG("Find bypass route with %ld links",xbt_dynar_length(e_route_bypass->link_list));
115 route_t new_e_route = NULL;
116 if (e_route_bypass) {
118 unsigned int cpt = 0;
119 new_e_route = xbt_new0(s_route_t, 1);
120 new_e_route->src_gateway = e_route_bypass->src_gateway;
121 new_e_route->dst_gateway = e_route_bypass->dst_gateway;
122 new_e_route->link_list =
123 xbt_dynar_new(global_routing->size_of_link, NULL);
124 xbt_dynar_foreach(e_route_bypass->link_list, cpt, link) {
125 xbt_dynar_push(new_e_route->link_list, &link);
127 *lat += surf_network_model->extension.network.get_link_latency(link);
134 /* ************************************************************************** */
135 /* ************************* GENERIC AUX FUNCTIONS ************************** */
138 generic_new_route(e_surf_routing_hierarchy_t hierarchy, void *data, int order)
144 xbt_dynar_t links = NULL, links_id = NULL;
146 new_route = xbt_new0(s_route_t, 1);
147 new_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
149 xbt_assert(hierarchy == SURF_ROUTING_BASE,
150 "the hierarchy type is not SURF_ROUTING_BASE");
152 links = ((route_t) data)->link_list;
155 links_id = new_route->link_list;
157 xbt_dynar_foreach(links, cpt, link_name) {
159 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
162 xbt_dynar_push(links_id, &link);
164 xbt_dynar_unshift(links_id, &link);
166 THROWF(mismatch_error, 0, "Link %s not found", link_name);
173 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
174 void *data, int order)
178 route_t e_route, new_e_route;
181 xbt_dynar_t links = NULL, links_id = NULL;
183 new_e_route = xbt_new0(s_route_t, 1);
184 new_e_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
186 xbt_assert(hierarchy == SURF_ROUTING_BASE
187 || hierarchy == SURF_ROUTING_RECURSIVE,
188 "the hierarchy type is not defined");
190 if (hierarchy == SURF_ROUTING_BASE) {
192 route = (route_t) data;
193 links = route->link_list;
195 } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
197 e_route = (route_t) data;
198 xbt_assert(e_route->src_gateway
199 && e_route->dst_gateway, "bad gateway, is null");
200 links = e_route->link_list;
202 /* remeber not erase the gateway names */
203 new_e_route->src_gateway = e_route->src_gateway;
204 new_e_route->dst_gateway = e_route->dst_gateway;
207 links_id = new_e_route->link_list;
209 xbt_dynar_foreach(links, cpt, link_name) {
211 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
214 xbt_dynar_push(links_id, &link);
216 xbt_dynar_unshift(links_id, &link);
218 THROWF(mismatch_error, 0, "Link %s not found", link_name);
224 void generic_free_route(route_t route)
227 xbt_dynar_free(&route->link_list);
232 static AS_t generic_as_exist(AS_t find_from,
235 //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
236 xbt_dict_cursor_t cursor = NULL;
240 xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
241 if (to_find == elem || generic_as_exist(elem, to_find)) {
252 generic_autonomous_system_exist(AS_t rc, char *element)
254 //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
255 AS_t element_as, result, elem;
256 xbt_dict_cursor_t cursor = NULL;
258 element_as = ((network_element_t)
259 xbt_lib_get_or_null(as_router_lib, element,
260 ROUTING_ASR_LEVEL))->rc_component;
261 result = ((AS_t) - 1);
262 if (element_as != rc)
263 result = generic_as_exist(rc, element_as);
267 xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
268 found = !strcmp(elem->name, element);
279 generic_processing_units_exist(AS_t rc, char *element)
282 element_as = ((network_element_t)
283 xbt_lib_get_or_null(host_lib,
284 element, ROUTING_HOST_LEVEL))->rc_component;
285 if (element_as == rc)
287 return generic_as_exist(rc, element_as);
290 void generic_src_dst_check(AS_t rc, network_element_t src,
291 network_element_t dst)
294 network_element_t src_data = src;
295 network_element_t dst_data = dst;
297 if (src_data == NULL || dst_data == NULL)
298 xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
304 (src_data)->rc_component;
306 (dst_data)->rc_component;
308 if (src_as != dst_as)
309 xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
310 src->name, src_as->name,
311 dst->name, dst_as->name);
315 ("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",