* under the terms of the license (GNU LGPL) which comes with this package. */
#include "surf_private.h"
+#include "surf/maxmin.h"
#include "surf/ns3/ns3_interface.h"
#include "xbt/lib.h"
#include "surf/network_ns3_private.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network_ns3, surf,
"Logging specific to the SURF network NS3 module");
-#define MAX_LENGHT_IPV4 16 //255.255.255.255\0
-
extern routing_global_t global_routing;
extern xbt_dict_t dict_socket;
xbt_dynar_t IPV4addr;
-static void replace_str(char *str, const char *orig, const char *rep)
+static void replace_bdw_ns3(char ** bdw)
{
- char buffer[30];
- char *p;
-
- if(!(p = strstr(str, orig))) // Is 'orig' even in 'str'?
- return;
-
- strncpy(buffer, str, p-str); // Copy characters from 'str' start to 'orig' st$
- buffer[p-str] = '\0';
-
- sprintf(buffer+(p-str), "%s%s", rep, p+strlen(orig));
- xbt_free(str);
- str = xbt_strdup(buffer);
-}
-
-static void replace_bdw_ns3(char * bdw)
-{
- char *temp = xbt_strdup(bdw);
- xbt_free(bdw);
- bdw = bprintf("%fBps",atof(temp));
+ char *temp = xbt_strdup(*bdw);
+ xbt_free(*bdw);
+ *bdw = bprintf("%fBps",atof(temp));
xbt_free(temp);
}
-static void replace_lat_ns3(char * lat)
+static void replace_lat_ns3(char ** lat)
{
- char *temp = xbt_strdup(lat);
- xbt_free(lat);
- lat = bprintf("%fs",atof(temp));
+ char *temp = xbt_strdup(*lat);
+ xbt_free(*lat);
+ *lat = bprintf("%fs",atof(temp));
xbt_free(temp);
}
-void parse_ns3_add_host(void)
+static void parse_ns3_add_host(sg_platf_host_cbarg_t host)
{
XBT_DEBUG("NS3_ADD_HOST '%s'",A_surfxml_host_id);
xbt_lib_set(host_lib,
}
static void ns3_free_dynar(void * elmts){
- if(elmts)
- free(elmts);
+ free(elmts);
return;
}
-void parse_ns3_add_link(void)
+static void parse_ns3_add_link(sg_platf_link_cbarg_t l)
{
XBT_DEBUG("NS3_ADD_LINK '%s'",A_surfxml_link_id);
- if(!IPV4addr) IPV4addr = xbt_dynar_new(MAX_LENGHT_IPV4*sizeof(char),ns3_free_dynar);
+ if(!IPV4addr) IPV4addr = xbt_dynar_new(sizeof(char*),ns3_free_dynar);
tmgr_trace_t bw_trace;
tmgr_trace_t state_trace;
xbt_lib_set(link_lib,A_surfxml_link_id,NS3_LINK_LEVEL,link_ns3);
xbt_lib_set(link_lib,A_surfxml_link_id,SURF_LINK_LEVEL,link);
}
-void parse_ns3_add_router(void)
+
+static void parse_ns3_add_router(sg_platf_router_cbarg_t router)
{
XBT_DEBUG("NS3_ADD_ROUTER '%s'",A_surfxml_router_id);
xbt_lib_set(as_router_lib,
ns3_add_router(A_surfxml_router_id)
);
}
-void parse_ns3_add_AS(void)
+
+static void parse_ns3_add_AS(const char*id, const char*routing)
{
XBT_DEBUG("NS3_ADD_AS '%s'",A_surfxml_AS_id);
xbt_lib_set(as_router_lib,
ns3_add_AS(A_surfxml_AS_id)
);
}
-void parse_ns3_add_cluster(void)
+
+static void parse_ns3_add_cluster(sg_platf_cluster_cbarg_t cluster)
{
char *cluster_prefix = A_surfxml_cluster_prefix;
char *cluster_suffix = A_surfxml_cluster_suffix;
switch (xbt_dynar_length(radical_ends)) {
case 1:
- surf_parse_get_int(&start,xbt_dynar_get_as(radical_ends, 0, char *));
+ start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
xbt_dynar_push_as(tab_elements_num, int, start);
router_id = bprintf("ns3_%s%d%s", cluster_prefix, start, cluster_suffix);
xbt_lib_set(host_lib,
break;
case 2:
- surf_parse_get_int(&start,xbt_dynar_get_as(radical_ends, 0, char *));
- surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
+ start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
+ end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
for (i = start; i <= end; i++){
xbt_dynar_push_as(tab_elements_num, int, i);
router_id = bprintf("ns3_%s%d%s", cluster_prefix, i, cluster_suffix);
int elmts;
char * lat = xbt_strdup(cluster_lat);
char * bw = xbt_strdup(cluster_bw);
- replace_lat_ns3(lat);
- replace_bdw_ns3(bw);
+ replace_lat_ns3(&lat);
+ replace_bdw_ns3(&bw);
xbt_dynar_foreach(tab_elements_num,cpt,elmts)
{
if(host_src && host_dst){}
else xbt_die("\tns3_add_link from %d to %d",host_src->node_num,host_dst->node_num);
- ns3_add_link(host_src->node_num,host_dst->node_num,bw,lat);
+ ns3_add_link(host_src->node_num,host_src->type,
+ host_dst->node_num,host_dst->type,
+ bw,lat);
free(router_id);
free(host_id);
//Create link backbone
lat = xbt_strdup(cluster_bb_lat);
bw = xbt_strdup(cluster_bb_bw);
- replace_lat_ns3(lat);
- replace_bdw_ns3(bw);
+ replace_lat_ns3(&lat);
+ replace_bdw_ns3(&bw);
ns3_add_cluster(bw,lat,A_surfxml_cluster_id);
xbt_free(lat);
xbt_free(bw);
}
-double ns3_get_link_latency (const void *link)
+static double ns3_get_link_latency (const void *link)
{
double lat;
//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);
sscanf(((surf_ns3_link_t)link)->data->lat,"%lg",&lat);
return lat;
}
-double ns3_get_link_bandwidth (const void *link)
+static double ns3_get_link_bandwidth (const void *link)
{
double bdw;
//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);
static xbt_dynar_t ns3_get_route(const char *src, const char *dst)
{
- return global_routing->get_route(src, dst);
+ xbt_dynar_t route = NULL;
+ routing_get_route_and_latency(src, dst, &route, NULL);
+ return route;
}
-void parse_ns3_end_platform(void)
+static void parse_ns3_end_platform(void)
{
ns3_end_platform();
}
/* Create the ns3 topology based on routing strategy */
-void create_ns3_topology()
+static void create_ns3_topology(void)
{
XBT_DEBUG("Starting topology generation");
if( strcmp(src,dst) && ((surf_ns3_link_t)link)->created){
XBT_DEBUG("Route from '%s' to '%s' with link '%s'",src,dst,((surf_ns3_link_t)link)->data->id);
- char * link_bdw = bprintf("%s",((surf_ns3_link_t)link)->data->bdw);
- char * link_lat = bprintf("%s",(((surf_ns3_link_t)link)->data->lat));
- replace_lat_ns3(link_lat);
- replace_bdw_ns3(link_bdw);
+ char * link_bdw = xbt_strdup(((surf_ns3_link_t)link)->data->bdw);
+ char * link_lat = xbt_strdup(((surf_ns3_link_t)link)->data->lat);
+ replace_lat_ns3(&link_lat);
+ replace_bdw_ns3(&link_bdw);
((surf_ns3_link_t)link)->created = 0;
// XBT_DEBUG("src (%s), dst (%s), src_id = %d, dst_id = %d",src,dst, src_id, dst_id);
if(host_src && host_dst){}
else xbt_die("\tns3_add_link from %d to %d",host_src->node_num,host_dst->node_num);
- ns3_add_link(host_src->node_num,host_dst->node_num,link_bdw,link_lat);
+ ns3_add_link(host_src->node_num,host_src->type,host_dst->node_num,host_dst->type,link_bdw,link_lat);
xbt_free(link_bdw);
xbt_free(link_lat);
}
}
-static void define_callbacks_ns3(const char *filename)
-{
- surfxml_add_callback(STag_surfxml_host_cb_list, &parse_ns3_add_host); //HOST
- surfxml_add_callback(STag_surfxml_router_cb_list, &parse_ns3_add_router); //ROUTER
- surfxml_add_callback(STag_surfxml_link_cb_list, &parse_ns3_add_link); //LINK
- surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_ns3_add_AS); //AS
- surfxml_add_callback(STag_surfxml_cluster_cb_list, &parse_ns3_add_cluster); //CLUSTER
-
- surfxml_add_callback(ETag_surfxml_platform_cb_list, &create_ns3_topology); //get_one_link_routes
- surfxml_add_callback(ETag_surfxml_platform_cb_list, &parse_ns3_end_platform); //InitializeRoutes
-}
-
-static void free_ns3_elmts(void * elmts)
+static void define_callbacks_ns3(void)
{
+ sg_platf_host_add_cb (&parse_ns3_add_host);
+ sg_platf_router_add_cb (&parse_ns3_add_router);
+ sg_platf_link_add_cb (&parse_ns3_add_link);
+ sg_platf_cluster_add_cb (&parse_ns3_add_cluster);
+ sg_platf_AS_begin_add_cb (&parse_ns3_add_AS);
+ sg_platf_postparse_add_cb(&create_ns3_topology); //get_one_link_routes
+ sg_platf_postparse_add_cb(&parse_ns3_end_platform); //InitializeRoutes
}
static void free_ns3_link(void * elmts)
}
#endif
-void surf_network_model_init_NS3(const char *filename)
+#ifdef HAVE_TRACING
+static void ns3_action_set_category(surf_action_t action, const char *category)
+{
+ action->category = xbt_strdup (category);
+}
+#endif
+
+void surf_network_model_init_NS3()
{
if (surf_network_model)
return;
surf_network_model->action_unref = action_unref;
surf_network_model->extension.network.communicate = ns3_communicate;
+#ifdef HAVE_TRACING
+ surf_network_model->set_category = ns3_action_set_category;
+#endif
+
/* Added the initialization for NS3 interface */
- if (ns3_initialize()) {
+
+ if (ns3_initialize(xbt_cfg_get_string(_surf_cfg_set,"ns3/TcpModel"))) {
xbt_die("Impossible to initialize NS3 interface");
}
- routing_model_create(sizeof(s_surf_ns3_link_t), NULL, NULL);
- define_callbacks_ns3(filename);
+ routing_model_create(sizeof(s_surf_ns3_link_t), NULL);
+ define_callbacks_ns3();
NS3_HOST_LEVEL = xbt_lib_add_level(host_lib,(void_f_pvoid_t)free_ns3_host);
NS3_ASR_LEVEL = xbt_lib_add_level(as_router_lib,(void_f_pvoid_t)free_ns3_host);
NS3_LINK_LEVEL = xbt_lib_add_level(link_lib,(void_f_pvoid_t)free_ns3_link);
xbt_dynar_push(model_list, &surf_network_model);
- update_model_description(surf_network_model_description,
- "NS3", surf_network_model);
#ifdef HAVE_LATENCY_BOUND_TRACKING
surf_network_model->get_latency_limited = ns3_get_link_latency_limited;
{
ns3_finalize();
xbt_dynar_free_container(&IPV4addr);
+ xbt_dict_free(&dict_socket);
}
static double ns3_share_resources(double min)
surf_network_model->states.running_action_set;
//get the first relevant value from the running_actions list
- if (!xbt_swag_size(running_actions))
- return -1.0;
-
- ns3_simulator(min);
- time_to_next_flow_completion = ns3_time() - surf_get_clock();
-
-// XBT_INFO("min : %f",min);
-// XBT_INFO("ns3 time : %f",ns3_time());
-// XBT_INFO("surf time : %f",surf_get_clock());
+ if (!xbt_swag_size(running_actions) || min == 0.0)
+ return -1.0;
+ else
+ do {
+ ns3_simulator(min);
+ time_to_next_flow_completion = ns3_time() - surf_get_clock();
+ } while(double_equals(time_to_next_flow_completion,0));
+
+ XBT_DEBUG("min : %f",min);
+ XBT_DEBUG("ns3 time : %f",ns3_time());
+ XBT_DEBUG("surf time : %f",surf_get_clock());
+ XBT_DEBUG("Next completion %f :",time_to_next_flow_completion);
- xbt_assert(time_to_next_flow_completion,
- "Time to next flow completion not initialized!\n");
-
- XBT_DEBUG("ns3_share_resources return %f",time_to_next_flow_completion);
return time_to_next_flow_completion;
}
char *key;
void *data;
+ static xbt_dynar_t socket_to_destroy = NULL;
+ if(!socket_to_destroy) socket_to_destroy = xbt_dynar_new(sizeof(char*),NULL);
+
surf_action_network_ns3_t action = NULL;
xbt_swag_t running_actions =
surf_network_model->states.running_action_set;
/* If there are no running flows, just return */
- if (!xbt_swag_size(running_actions))
- return;
+ if (!xbt_swag_size(running_actions)) {
+ while(double_positive(now-ns3_time())) {
+ ns3_simulator(now-ns3_time());
+ }
+ return;
+ }
xbt_dict_foreach(dict_socket,cursor,key,data){
action = (surf_action_network_ns3_t)ns3_get_socket_action(data);
+ XBT_DEBUG("Processing socket %p (action %p)",data,action);
action->generic_action.remains = action->generic_action.cost - ns3_get_socket_sent(data);
#ifdef HAVE_TRACING
- if (surf_action_state_get(&(action->generic_action)) == SURF_ACTION_RUNNING){
-// double data_sent = ns3_get_socket_sent(data) - action->last_sent;
- //TRACE here using data_sent/delta as data rate
-// action->last_sent = ns3_get_socket_sent(data);
+ if (TRACE_is_enabled() &&
+ surf_action_state_get(&(action->generic_action)) == SURF_ACTION_RUNNING){
+ double data_sent = ns3_get_socket_sent(data);
+ double data_delta_sent = data_sent - action->last_sent;
+
+ xbt_dynar_t route = NULL;
+ routing_get_route_and_latency (action->src_name, action->dst_name, &route, NULL);
+ unsigned int i;
+ for (i = 0; i < xbt_dynar_length (route); i++){
+ surf_ns3_link_t *link = ((surf_ns3_link_t*)xbt_dynar_get_ptr (route, i));
+ TRACE_surf_link_set_utilization ((*link)->generic_resource.name,
+ ((surf_action_t) action)->category,
+ (data_delta_sent)/delta,
+ now-delta,
+ delta);
+ }
+ action->last_sent = data_sent;
}
#endif
if(ns3_get_socket_is_finished(data) == 1){
+ xbt_dynar_push(socket_to_destroy,&key);
+ XBT_DEBUG("Destroy socket %p of action %p", key, action);
action->generic_action.finish = now;
surf_action_state_set(&(action->generic_action), SURF_ACTION_DONE);
}
}
+
+ while (!xbt_dynar_is_empty(socket_to_destroy)){
+ xbt_dynar_pop(socket_to_destroy,&key);
+
+ void *data = xbt_dict_get (dict_socket, key);
+ surf_action_network_ns3_t action = (surf_action_network_ns3_t)ns3_get_socket_action(data);
+ XBT_DEBUG ("Removing socket %p of action %p", key, action);
+ xbt_dict_remove(dict_socket,key);
+ }
return;
}
#ifdef HAVE_TRACING
xbt_free(((surf_action_network_ns3_t)action)->src_name);
xbt_free(((surf_action_network_ns3_t)action)->dst_name);
- if (action->category)
- xbt_free(action->category);
+ xbt_free(action->category);
#endif
-
+ XBT_DEBUG ("Removing action %p", action);
surf_action_free(&action);
return 1;
}
