1 /* Copyright (c) 2007, 2008, 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_private.h"
8 #include "surf/ns3/ns3_interface.h"
10 #include "surf/network_ns3_private.h"
13 extern xbt_lib_t host_lib;
14 extern xbt_lib_t link_lib;
15 extern xbt_lib_t as_router_lib;
17 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network_ns3, surf,
18 "Logging specific to the SURF network NS3 module");
20 extern routing_global_t global_routing;
22 static void replace_str(char *str, const char *orig, const char *rep)
27 if(!(p = strstr(str, orig))) // Is 'orig' even in 'str'?
30 strncpy(buffer, str, p-str); // Copy characters from 'str' start to 'orig' st$
33 sprintf(buffer+(p-str), "%s%s", rep, p+strlen(orig));
35 str = xbt_strdup(buffer);
38 static void replace_bdw_ns3(char * bdw)
40 char *temp = xbt_strdup(bdw);
42 bdw = bprintf("%fbps",atof(temp));
47 static void replace_lat_ns3(char * lat)
49 char *temp = xbt_strdup(lat);
51 lat = bprintf("%fs",atof(temp));
55 void parse_ns3_add_host(void)
57 XBT_DEBUG("NS3_ADD_HOST '%s'",A_surfxml_host_id);
61 ns3_add_host(A_surfxml_host_id)
64 void parse_ns3_add_link(void)
66 XBT_DEBUG("NS3_ADD_LINK '%s'",A_surfxml_link_id);
68 tmgr_trace_t bw_trace;
69 tmgr_trace_t state_trace;
70 tmgr_trace_t lat_trace;
72 bw_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file);
73 lat_trace = tmgr_trace_new(A_surfxml_link_latency_file);
74 state_trace = tmgr_trace_new(A_surfxml_link_state_file);
77 XBT_INFO("The NS3 network model doesn't support bandwidth state traces");
79 XBT_INFO("The NS3 network model doesn't support latency state traces");
81 XBT_INFO("The NS3 network model doesn't support link state traces");
83 ns3_link_t link_ns3 = xbt_new0(s_ns3_link_t,1);;
84 link_ns3->id = xbt_strdup(A_surfxml_link_id);
85 link_ns3->bdw = xbt_strdup(A_surfxml_link_bandwidth);
86 link_ns3->lat = xbt_strdup(A_surfxml_link_latency);
88 surf_ns3_link_t link = xbt_new0(s_surf_ns3_link_t,1);
89 link->generic_resource.name = xbt_strdup(A_surfxml_link_id);
90 link->generic_resource.properties = current_property_set;
91 link->data = link_ns3;
94 xbt_lib_set(link_lib,A_surfxml_link_id,NS3_LINK_LEVEL,link_ns3);
95 xbt_lib_set(link_lib,A_surfxml_link_id,SURF_LINK_LEVEL,link);
97 void parse_ns3_add_router(void)
99 XBT_DEBUG("NS3_ADD_ROUTER '%s'",A_surfxml_router_id);
100 xbt_lib_set(as_router_lib,
103 ns3_add_router(A_surfxml_router_id)
106 void parse_ns3_add_AS(void)
108 XBT_DEBUG("NS3_ADD_AS '%s'",A_surfxml_AS_id);
109 xbt_lib_set(as_router_lib,
112 ns3_add_AS(A_surfxml_AS_id)
115 void parse_ns3_add_cluster(void)
117 char *cluster_prefix = A_surfxml_cluster_prefix;
118 char *cluster_suffix = A_surfxml_cluster_suffix;
119 char *cluster_radical = A_surfxml_cluster_radical;
120 char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
121 char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
122 char *cluster_bw = A_surfxml_cluster_bw;
123 char *cluster_lat = A_surfxml_cluster_lat;
129 xbt_dynar_t radical_elements;
130 xbt_dynar_t radical_ends;
131 xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
133 char *router_id,*host_id;
135 radical_elements = xbt_str_split(cluster_radical, ",");
136 xbt_dynar_foreach(radical_elements, iter, groups) {
137 radical_ends = xbt_str_split(groups, "-");
139 switch (xbt_dynar_length(radical_ends)) {
141 surf_parse_get_int(&start,xbt_dynar_get_as(radical_ends, 0, char *));
142 xbt_dynar_push_as(tab_elements_num, int, start);
143 router_id = bprintf("ns3_%s%d%s", cluster_prefix, start, cluster_suffix);
144 xbt_lib_set(host_lib,
147 ns3_add_host_cluster(router_id)
149 XBT_DEBUG("NS3_ADD_ROUTER '%s'",router_id);
154 surf_parse_get_int(&start,xbt_dynar_get_as(radical_ends, 0, char *));
155 surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
156 for (i = start; i <= end; i++){
157 xbt_dynar_push_as(tab_elements_num, int, i);
158 router_id = bprintf("ns3_%s%d%s", cluster_prefix, i, cluster_suffix);
159 xbt_lib_set(host_lib,
162 ns3_add_host_cluster(router_id)
164 XBT_DEBUG("NS3_ADD_ROUTER '%s'",router_id);
170 XBT_DEBUG("Malformed radical");
179 char * lat = xbt_strdup(cluster_lat);
180 char * bw = xbt_strdup(cluster_bw);
181 replace_lat_ns3(lat);
184 xbt_dynar_foreach(tab_elements_num,cpt,elmts)
186 host_id = bprintf("%s%d%s", cluster_prefix, elmts, cluster_suffix);
187 router_id = bprintf("ns3_%s%d%s", cluster_prefix, elmts, cluster_suffix);
188 XBT_DEBUG("Create link from '%s' to '%s'",host_id,router_id);
190 ns3_nodes_t host_src = xbt_lib_get_or_null(host_lib,host_id, NS3_HOST_LEVEL);
191 ns3_nodes_t host_dst = xbt_lib_get_or_null(host_lib,router_id,NS3_HOST_LEVEL);
193 if(host_src && host_dst){}
194 else xbt_die("\tns3_add_link from %d to %d",host_src->node_num,host_dst->node_num);
196 ns3_add_link(host_src->node_num,host_dst->node_num,bw,lat);
201 xbt_dynar_free(&tab_elements_num);
204 //Create link backbone
205 lat = xbt_strdup(cluster_bb_lat);
206 bw = xbt_strdup(cluster_bb_bw);
207 replace_lat_ns3(lat);
209 ns3_add_cluster(bw,lat,A_surfxml_cluster_id);
214 double ns3_get_link_latency (const void *link)
217 //XBT_DEBUG("link_id:%s link_lat:%s link_bdw:%s",((surf_ns3_link_t)link)->data->id,((surf_ns3_link_t)link)->data->lat,((surf_ns3_link_t)link)->data->bdw);
218 sscanf(((surf_ns3_link_t)link)->data->lat,"%lg",&lat);
221 double ns3_get_link_bandwidth (const void *link)
224 //XBT_DEBUG("link_id:%s link_lat:%s link_bdw:%s",((surf_ns3_link_t)link)->data->id,((surf_ns3_link_t)link)->data->lat,((surf_ns3_link_t)link)->data->bdw);
225 sscanf(((surf_ns3_link_t)link)->data->bdw,"%lg",&bdw);
229 static xbt_dynar_t ns3_get_route(const char *src, const char *dst)
231 return global_routing->get_route(src, dst);
234 void parse_ns3_end_platform(void)
238 xbt_lib_cursor_t cursor = NULL;
241 XBT_DEBUG("link_lib");
242 xbt_lib_foreach(link_lib, cursor, name, data) {
243 XBT_DEBUG("\tSee link '%s'\t--> NS3_LEVEL %p",
245 data[NS3_LINK_LEVEL]);
248 XBT_DEBUG("host_lib");
249 xbt_lib_foreach(host_lib, cursor, name, data) {
250 XBT_DEBUG("\tSee host '%s'\t--> NS3_LEVEL %p",
252 data[NS3_HOST_LEVEL]);
255 XBT_DEBUG("as_router_lib");
256 xbt_lib_foreach(as_router_lib, cursor, name, data) {
257 XBT_DEBUG("\tSee ASR '%s'\t--> NS3_LEVEL %p",
259 data[NS3_ASR_LEVEL]);
265 /* Create the ns3 topology based on routing strategy */
266 void create_ns3_topology()
268 XBT_INFO("Starting topology generation");
270 //get the onelinks from the parsed platform
271 xbt_dynar_t onelink_routes = global_routing->get_onelink_routes();
273 xbt_die("There is no routes!");
274 XBT_INFO("Have get_onelink_routes, found %ld routes",onelink_routes->used);
275 //save them in trace file
278 xbt_dynar_foreach(onelink_routes, iter, onelink) {
279 char *src = onelink->src;
280 char *dst = onelink->dst;
281 void *link = onelink->link_ptr;
283 if( strcmp(src,dst) && ((surf_ns3_link_t)link)->created){
284 XBT_INFO("Route from '%s' to '%s' with link '%s'",src,dst,((surf_ns3_link_t)link)->data->id);
285 char * link_bdw = xbt_strdup(((surf_ns3_link_t)link)->data->bdw);
286 char * link_lat = xbt_strdup(((surf_ns3_link_t)link)->data->lat);
287 ((surf_ns3_link_t)link)->created = 0;
289 replace_bdw_ns3(link_bdw);
290 replace_lat_ns3(link_lat);
291 // XBT_INFO("src (%s), dst (%s), src_id = %d, dst_id = %d",src,dst, src_id, dst_id);
292 XBT_INFO("\tLink (%s) bdw:%s->%s lat:%s->%s",((surf_ns3_link_t)link)->data->id,
293 ((surf_ns3_link_t)link)->data->bdw,link_bdw,
294 ((surf_ns3_link_t)link)->data->lat,link_lat
298 ns3_nodes_t host_src = xbt_lib_get_or_null(host_lib,src,NS3_HOST_LEVEL);
299 if(!host_src) host_src = xbt_lib_get_or_null(as_router_lib,src,NS3_ASR_LEVEL);
300 ns3_nodes_t host_dst = xbt_lib_get_or_null(host_lib,dst,NS3_HOST_LEVEL);
301 if(!host_dst) host_dst = xbt_lib_get_or_null(as_router_lib,dst,NS3_ASR_LEVEL);
303 if(host_src && host_dst){}
304 else xbt_die("\tns3_add_link from %d to %d",host_src->node_num,host_dst->node_num);
306 ns3_add_link(host_src->node_num,host_dst->node_num,link_bdw,link_lat);
314 static void define_callbacks_ns3(const char *filename)
316 surfxml_add_callback(STag_surfxml_host_cb_list, &parse_ns3_add_host); //HOST
317 surfxml_add_callback(STag_surfxml_router_cb_list, &parse_ns3_add_router); //ROUTER
318 surfxml_add_callback(STag_surfxml_link_cb_list, &parse_ns3_add_link); //LINK
319 surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_ns3_add_AS); //AS
320 surfxml_add_callback(STag_surfxml_cluster_cb_list, &parse_ns3_add_cluster); //CLUSTER
322 surfxml_add_callback(ETag_surfxml_platform_cb_list, &create_ns3_topology); //get_one_link_routes
323 surfxml_add_callback(ETag_surfxml_platform_cb_list, &parse_ns3_end_platform); //InitializeRoutes
326 static void free_ns3_elmts(void * elmts)
330 static void free_ns3_link(void * elmts)
332 ns3_link_t link = elmts;
339 static void free_ns3_host(void * elmts)
341 ns3_nodes_t host = elmts;
345 void surf_network_model_init_NS3(const char *filename)
347 surf_network_model = surf_model_init();
348 surf_network_model->name = "network NS3";
349 surf_network_model->extension.network.get_link_latency = ns3_get_link_latency;
350 surf_network_model->extension.network.get_link_bandwidth = ns3_get_link_bandwidth;
351 surf_network_model->extension.network.get_route = ns3_get_route;
352 routing_model_create(sizeof(s_surf_ns3_link_t), NULL, NULL);
353 define_callbacks_ns3(filename);
355 NS3_HOST_LEVEL = xbt_lib_add_level(host_lib,(void_f_pvoid_t)free_ns3_host);
356 NS3_ASR_LEVEL = xbt_lib_add_level(as_router_lib,(void_f_pvoid_t)free_ns3_host);
357 NS3_LINK_LEVEL = xbt_lib_add_level(link_lib,(void_f_pvoid_t)free_ns3_link);
359 update_model_description(surf_network_model_description,
360 "NS3", surf_network_model);