Added uip-over-mesh, bugfixes, printing of statistics, renamed init() function to netsim_init()

This commit is contained in:
adamdunkels 2007-03-22 18:59:34 +00:00
parent eea7f463d7
commit 1b762247fa
12 changed files with 128 additions and 148 deletions

View file

@ -30,7 +30,7 @@
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: ether.c,v 1.5 2007/03/13 13:07:47 adamdunkels Exp $
* $Id: ether.c,v 1.6 2007/03/22 18:59:34 adamdunkels Exp $
*/
/**
* \file
@ -107,13 +107,16 @@ static int strength;
static int collisions = 1;
static int num_collisions = 0;
static int num_packets = 0;
static int num_sent = 0;
static int num_received = 0;
static int drop_probability = 0;
static int num_drops = 0;
#include <sys/time.h>
static struct timeval t1;
/*-----------------------------------------------------------------------------------*/
void
int
ether_print_stats(void)
{
unsigned long time;
@ -122,7 +125,20 @@ ether_print_stats(void)
time = (t2.tv_sec * 1000 + t2.tv_usec / 1000) -
(t1.tv_sec * 1000 + t1.tv_usec / 1000);
printf("%d, %d, %f\n", num_packets, num_collisions, time/1000.0);
/* printf("%d, %d, %f\n", num_packets, num_collisions, time/1000.0);*/
printf("Time: %f\n", time/1000.0);
printf("Total packets sent: %d\n", num_sent);
printf("Total collisions: %d\n", num_collisions);
printf("Total packets receptions: %d\n", num_received);
printf("Total randomly dropped packets: %d\n", num_drops);
return 0;
}
/*-----------------------------------------------------------------------------------*/
void
ether_set_drop_probability(double p)
{
drop_probability = p * 65536;
}
/*-----------------------------------------------------------------------------------*/
void
@ -204,8 +220,8 @@ ether_client_init(int port)
}
}
/*-----------------------------------------------------------------------------------*/
u16_t
ether_client_poll(u8_t *buf, int bufsize)
int
ether_client_poll(void)
{
int ret, len;
fd_set fdset;
@ -216,7 +232,24 @@ ether_client_poll(u8_t *buf, int bufsize)
FD_SET(sc, &fdset);
tv.tv_sec = 0;
tv.tv_usec = 5000;
tv.tv_usec = 10000;
return select(sc + 1, &fdset, NULL, NULL, &tv);
}
/*-----------------------------------------------------------------------------------*/
u16_t
ether_client_read(u8_t *buf, int bufsize)
{
int ret, len;
fd_set fdset;
struct timeval tv;
struct ether_hdr *hdr = (struct ether_hdr *)rxbuffer;
FD_ZERO(&fdset);
FD_SET(sc, &fdset);
tv.tv_sec = 0;
tv.tv_usec = 10000;
ret = select(sc + 1, &fdset, NULL, NULL, &tv);
@ -365,7 +398,7 @@ ether_tick(void)
range of this node. */
for(p = list_head(active_packets); p != NULL; p = p->next) {
num_packets++;
num_sent++;
/* Update the node type. */
hdr = (struct ether_hdr *)p->data;
@ -402,13 +435,18 @@ ether_tick(void)
if(interference) {
num_collisions++;
printf("Collisions %d\n", num_collisions);
/* printf("Collisions %d\n", num_collisions);*/
}
if(!interference) {
/* printf("ether: delivering packet from %d to %d\n",
hdr->srcid, port);*/
send_packet(p->data, p->len, port);
if((unsigned int)((rand() * 17) % 65536) >= drop_probability) {
send_packet(p->data, p->len, port);
num_received++;
} else {
num_drops++;
}
}
}