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;
+
+static double time_to_next_flow_completion = -1;
+
+static double ns3_share_resources(double min);
+static void ns3_update_actions_state(double now, double delta);
+static void finalize(void);
+static surf_action_t ns3_communicate(const char *src_name,
+ const char *dst_name, double size, double rate);
+static void action_suspend(surf_action_t action);
+static void action_resume(surf_action_t action);
+static int action_is_suspended(surf_action_t action);
+static int action_unref(surf_action_t action);
+
+xbt_dynar_t IPV4addr;
static void replace_str(char *str, const char *orig, const char *rep)
{
static void replace_bdw_ns3(char * bdw)
{
-// replace_str(bdw,".00","");
-// char *temp = xbt_strdup(bdw);
-//
-// replace_str(bdw,"000000000","Gbps");
-// if(strcmp(bdw,temp)) {xbt_free(temp);return;}
-// replace_str(bdw,"00000000","00Mbps");
-// if(strcmp(bdw,temp)) {xbt_free(temp);return;}
-// replace_str(bdw,"0000000","0Mbps");
-// if(strcmp(bdw,temp)) {xbt_free(temp);return;}
-// replace_str(bdw,"000000","Mbps");
-// if(strcmp(bdw,temp)) {xbt_free(temp);return;}
-// replace_str(bdw,"00000","00Kbps");
-// if(strcmp(bdw,temp)) {xbt_free(temp);return;}
-// replace_str(bdw,"0000","0Kbps");
-// if(strcmp(bdw,temp)) {xbt_free(temp);return;}
-// replace_str(bdw,"000","Kbps");
-// if(strcmp(bdw,temp)) {xbt_free(temp);return;}
-//
-// xbt_free(bdw);
-// bdw = bprintf("%s%s",temp,"bps");
-// xbt_free(temp);
-
char *temp = xbt_strdup(bdw);
xbt_free(bdw);
- bdw = bprintf("%fbps",atof(temp));
+ bdw = bprintf("%fBps",atof(temp));
xbt_free(temp);
}
ns3_add_host(A_surfxml_host_id)
);
}
+
+static void ns3_free_dynar(void * elmts){
+ if(elmts)
+ free(elmts);
+ return;
+}
+
void parse_ns3_add_link(void)
{
XBT_DEBUG("NS3_ADD_LINK '%s'",A_surfxml_link_id);
+ if(!IPV4addr) IPV4addr = xbt_dynar_new(MAX_LENGHT_IPV4*sizeof(char),ns3_free_dynar);
+
tmgr_trace_t bw_trace;
tmgr_trace_t state_trace;
tmgr_trace_t lat_trace;
}
}
-
-
//Create links
unsigned int cpt;
int elmts;
void parse_ns3_end_platform(void)
{
ns3_end_platform();
-
-// xbt_lib_cursor_t cursor = NULL;
-// char *name = NULL;
-// void **data = NULL;
-// XBT_INFO("link_lib");
-// xbt_lib_foreach(link_lib, cursor, name, data) {
-// XBT_INFO("\tSee link '%s'\t--> NS3_LEVEL %p",
-// name,
-// data[NS3_LINK_LEVEL]);
-// }
-// XBT_INFO(" ");
-// XBT_INFO("host_lib");
-// xbt_lib_foreach(host_lib, cursor, name, data) {
-// XBT_INFO("\tSee host '%s'\t--> NS3_LEVEL %p",
-// name,
-// data[NS3_HOST_LEVEL]);
-// }
-// XBT_INFO(" ");
-// XBT_INFO("as_router_lib");
-// xbt_lib_foreach(as_router_lib, cursor, name, data) {
-// XBT_INFO("\tSee ASR '%s'\t--> NS3_LEVEL %p",
-// name,
-// data[NS3_ASR_LEVEL]);
-// }
-//
-// XBT_INFO(" ");
}
/* Create the ns3 topology based on routing strategy */
void create_ns3_topology()
{
-// int src_id,dst_id;
+ XBT_DEBUG("Starting topology generation");
- XBT_INFO("Starting topology generation");
+ xbt_dynar_shrink(IPV4addr,0);
//get the onelinks from the parsed platform
xbt_dynar_t onelink_routes = global_routing->get_onelink_routes();
if (!onelink_routes)
xbt_die("There is no routes!");
- XBT_INFO("Have get_onelink_routes, found %ld routes",onelink_routes->used);
+ XBT_DEBUG("Have get_onelink_routes, found %ld routes",onelink_routes->used);
//save them in trace file
onelink_t onelink;
unsigned int iter;
char *dst = onelink->dst;
void *link = onelink->link_ptr;
-//TODO need to uncomment those two line
-// src_id = *((int *) xbt_dict_get_or_null(global_routing->root->to_index,src));
-// dst_id = *((int *) xbt_dict_get_or_null(global_routing->root->to_index,dst));
-
-// if( (src_id != dst_id) && ((surf_ns3_link_t)link)->created){
if( strcmp(src,dst) && ((surf_ns3_link_t)link)->created){
- XBT_INFO("Route from '%s' to '%s' with link '%s'",src,dst,((surf_ns3_link_t)link)->data->id);
- char * link_bdw = xbt_strdup(((surf_ns3_link_t)link)->data->bdw);
- char * link_lat = xbt_strdup(((surf_ns3_link_t)link)->data->lat);
+ 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);
((surf_ns3_link_t)link)->created = 0;
- replace_bdw_ns3(link_bdw);
- replace_lat_ns3(link_lat);
-// XBT_INFO("src (%s), dst (%s), src_id = %d, dst_id = %d",src,dst, src_id, dst_id);
- XBT_INFO("\tLink (%s) bdw:%s->%s lat:%s->%s",((surf_ns3_link_t)link)->data->id,
- ((surf_ns3_link_t)link)->data->bdw,link_bdw,
- ((surf_ns3_link_t)link)->data->lat,link_lat
+ // XBT_DEBUG("src (%s), dst (%s), src_id = %d, dst_id = %d",src,dst, src_id, dst_id);
+ XBT_DEBUG("\tLink (%s) bdw:%s lat:%s",((surf_ns3_link_t)link)->data->id,
+ link_bdw,
+ link_lat
);
//create link ns3
free(host);
}
+#ifdef HAVE_LATENCY_BOUND_TRACKING
+static int ns3_get_link_latency_limited(surf_action_t action)
+{
+ return 0;
+}
+#endif
+
void surf_network_model_init_NS3(const char *filename)
{
+ if (surf_network_model)
+ return;
+
surf_network_model = surf_model_init();
surf_network_model->name = "network NS3";
surf_network_model->extension.network.get_link_latency = ns3_get_link_latency;
surf_network_model->extension.network.get_link_bandwidth = ns3_get_link_bandwidth;
surf_network_model->extension.network.get_route = ns3_get_route;
+
+ surf_network_model->model_private->share_resources = ns3_share_resources;
+ surf_network_model->model_private->update_actions_state = ns3_update_actions_state;
+ surf_network_model->model_private->finalize = finalize;
+
+ surf_network_model->suspend = action_suspend;
+ surf_network_model->resume = action_resume;
+ surf_network_model->is_suspended = action_is_suspended;
+ surf_network_model->action_unref = action_unref;
+ surf_network_model->extension.network.communicate = ns3_communicate;
+
+ /* Added the initialization for NS3 interface */
+ if (ns3_initialize()) {
+ xbt_die("Impossible to initialize NS3 interface");
+ }
+
routing_model_create(sizeof(s_surf_ns3_link_t), NULL, NULL);
define_callbacks_ns3(filename);
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;
+#endif
+}
+
+static void finalize(void)
+{
+ ns3_finalize();
+ xbt_dynar_free_container(&IPV4addr);
+}
+
+static double ns3_share_resources(double min)
+{
+ XBT_DEBUG("ns3_share_resources");
+
+ xbt_swag_t running_actions =
+ 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());
+
+ 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;
+}
+
+static void ns3_update_actions_state(double now, double delta)
+{
+ xbt_dict_cursor_t cursor = NULL;
+ char *key;
+ void *data;
+
+ 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;
+
+ xbt_dict_foreach(dict_socket,cursor,key,data){
+ action = (surf_action_network_ns3_t)ns3_get_socket_action(data);
+ action->generic_action.remains = action->generic_action.cost - ns3_get_socket_sent(data);
+
+#ifdef HAVE_TRACING
+ 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 = global_routing->get_route(action->src_name, action->dst_name);
+ 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,
+ action->generic_action.data,
+ (surf_action_t) action,
+ (data_delta_sent),
+ now-delta,
+ delta);
+ }
+ action->last_sent = data_sent;
+ }
+#endif
+
+ if(ns3_get_socket_is_finished(data) == 1){
+ action->generic_action.finish = now;
+ surf_action_state_set(&(action->generic_action), SURF_ACTION_DONE);
+ }
+ }
+ return;
+}
+
+/* Max durations are not supported */
+static surf_action_t ns3_communicate(const char *src_name,
+ const char *dst_name, double size, double rate)
+{
+ surf_action_network_ns3_t action = NULL;
+
+ XBT_DEBUG("Communicate from %s to %s",src_name,dst_name);
+ action = surf_action_new(sizeof(s_surf_action_network_ns3_t), size, surf_network_model, 0);
+
+ ns3_create_flow(src_name, dst_name, surf_get_clock(), size, action);
+
+#ifdef HAVE_TRACING
+ action->last_sent = 0;
+ action->src_name = xbt_strdup (src_name);
+ action->dst_name = xbt_strdup (dst_name);
+#endif
+
+ return (surf_action_t) action;
+}
+
+/* Suspend a flow() */
+static void action_suspend(surf_action_t action)
+{
+ THROW_UNIMPLEMENTED;
+}
+
+/* Resume a flow() */
+static void action_resume(surf_action_t action)
+{
+ THROW_UNIMPLEMENTED;
+}
+
+/* Test whether a flow is suspended */
+static int action_is_suspended(surf_action_t action)
+{
+ return 0;
+}
+
+static int action_unref(surf_action_t action)
+{
+ action->refcount--;
+ if (!action->refcount) {
+ xbt_swag_remove(action, action->state_set);
+
+#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);
+#endif
+
+ surf_action_free(&action);
+ return 1;
+ }
+ return 0;
}
