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. */
6 #include "surf_routing_private.h"
11 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_cluster, surf, "Routing part of surf");
13 /* This routing is specifically setup to represent clusters, aka homogeneous sets of machines
14 * Note that a router is created, easing the interconnexion with the rest of the world.
17 /* Business methods */
18 static void cluster_get_route_and_latency(AS_t as,
19 sg_routing_edge_t src,
20 sg_routing_edge_t dst,
21 sg_platf_route_cbarg_t route,
25 s_surf_parsing_link_up_down_t info;
26 XBT_VERB("cluster_get_route_and_latency from '%s'[%d] to '%s'[%d]",
27 src->name, src->id, dst->name, dst->id);
29 if (src->rc_type != SURF_NETWORK_ELEMENT_ROUTER) { // No specific link for router
31 xbt_dynar_get_as(as->link_up_down_list, src->id,
32 s_surf_parsing_link_up_down_t);
34 if((src->id == dst->id) && info.loopback_link ){
35 xbt_dynar_push_as(route->link_list, void *, info.loopback_link);
38 surf_network_model->extension.network.get_link_latency(info.
44 if (info.limiter_link) // limiter for sender
45 xbt_dynar_push_as(route->link_list, void *, info.limiter_link);
47 if (info.link_up) { // link up
48 xbt_dynar_push_as(route->link_list, void *, info.link_up);
51 surf_network_model->extension.network.get_link_latency(info.
56 if (((as_cluster_t) as)->backbone) {
57 xbt_dynar_push_as(route->link_list, void *, ((as_cluster_t) as)->backbone);
60 surf_network_model->extension.network.
61 get_link_latency(((as_cluster_t) as)->backbone);
64 if (dst->rc_type != SURF_NETWORK_ELEMENT_ROUTER) { // No specific link for router
66 xbt_dynar_get_as(as->link_up_down_list, dst->id,
67 s_surf_parsing_link_up_down_t);
68 if (info.link_down) { // link down
69 xbt_dynar_push_as(route->link_list, void *, info.link_down);
72 surf_network_model->extension.network.get_link_latency(info.
76 if (info.limiter_link) // limiter for receiver
77 xbt_dynar_push_as(route->link_list, void *, info.limiter_link);
82 static void cluster_get_graph(xbt_graph_t graph, xbt_dict_t nodes,
83 xbt_dict_t edges, AS_t rc)
86 int table_size = xbt_dynar_length(rc->index_network_elm);
88 sg_routing_edge_t src;
89 xbt_node_t current, previous, backboneNode = NULL, routerNode;
90 s_surf_parsing_link_up_down_t info;
92 xbt_assert(((as_cluster_t) rc)->router,"Malformed cluster");
94 /* create the router */
96 ((sg_routing_edge_t) ((as_cluster_t) rc)->router)->name;
97 routerNode = new_xbt_graph_node(graph, link_name, nodes);
99 if(((as_cluster_t) rc)->backbone) {
101 ((surf_resource_t) ((as_cluster_t) rc)->backbone)->name;
102 backboneNode = new_xbt_graph_node(graph, link_nameR, nodes);
104 new_xbt_graph_edge(graph, routerNode, backboneNode, edges);
107 for (isrc = 0; isrc < table_size; isrc++) {
108 src = xbt_dynar_get_as(rc->index_network_elm, isrc, sg_routing_edge_t);
110 if (src->rc_type != SURF_NETWORK_ELEMENT_ROUTER) {
111 previous = new_xbt_graph_node(graph, src->name, nodes);
113 info = xbt_dynar_get_as(rc->link_up_down_list, src->id,
114 s_surf_parsing_link_up_down_t);
116 if (info.link_up) { // link up
118 char *link_name = ((surf_resource_t) info.link_up)->name;
119 current = new_xbt_graph_node(graph, link_name, nodes);
120 new_xbt_graph_edge(graph, previous, current, edges);
122 if (((as_cluster_t) rc)->backbone) {
123 new_xbt_graph_edge(graph, current, backboneNode, edges);
125 new_xbt_graph_edge(graph, current, routerNode, edges);
130 if (info.link_down) { // link down
131 char *link_name = ((surf_resource_t) info.link_down)->name;
132 current = new_xbt_graph_node(graph, link_name, nodes);
133 new_xbt_graph_edge(graph, previous, current, edges);
135 if (((as_cluster_t) rc)->backbone) {
136 new_xbt_graph_edge(graph, current, backboneNode, edges);
138 new_xbt_graph_edge(graph, current, routerNode, edges);
146 static void model_cluster_finalize(AS_t as)
148 model_none_finalize(as);
151 static int cluster_parse_PU(AS_t rc, sg_routing_edge_t elm) {
152 XBT_DEBUG("Load process unit \"%s\"", elm->name);
153 xbt_dynar_push_as(rc->index_network_elm,sg_routing_edge_t,elm);
154 return xbt_dynar_length(rc->index_network_elm)-1;
157 static int cluster_parse_AS(AS_t rc, sg_routing_edge_t elm) {
158 XBT_DEBUG("Load Autonomous system \"%s\"", elm->name);
159 xbt_dynar_push_as(rc->index_network_elm,sg_routing_edge_t,elm);
160 return xbt_dynar_length(rc->index_network_elm)-1;
163 /* Creation routing model functions */
164 AS_t model_cluster_create(void)
166 AS_t result = model_none_create_sized(sizeof(s_as_cluster_t));
167 result->get_route_and_latency = cluster_get_route_and_latency;
168 result->finalize = model_cluster_finalize;
169 result->get_graph = cluster_get_graph;
170 result->parse_AS = cluster_parse_AS;
171 result->parse_PU = cluster_parse_PU;
173 return (AS_t) result;