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/* $OpenBSD: bgpctl.c,v 1.9 2004/01/04 02:51:24 henning Exp $ */
/*
* Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <err.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "bgpd.h"
#include "session.h"
#include "log.h"
int main(int, char *[]);
void summary_head(void);
int summary_msg(struct imsg *);
static char *fmt_timeframe(time_t t);
struct imsgbuf ibuf;
enum views {
VIEW_SUMMARY
};
int
main(int argc, char *argv[])
{
struct sockaddr_un sun;
int fd, n, done;
struct imsg imsg;
enum views view = VIEW_SUMMARY;
if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
err(1, "control_init: socket");
exit(1);
}
bzero(&sun, sizeof(sun));
sun.sun_family = AF_UNIX;
strlcpy(sun.sun_path, SOCKET_NAME, sizeof(sun.sun_path));
if (connect(fd, (struct sockaddr *)&sun, sizeof(sun)) == -1) {
err(1, "connect: %s", SOCKET_NAME);
exit(1);
}
imsg_init(&ibuf, fd);
done = 0;
switch (view) {
case VIEW_SUMMARY:
imsg_compose(&ibuf, IMSG_CTL_SHOW_NEIGHBOR, 0, NULL, 0);
summary_head();
}
while (!done) {
if ((n = imsg_read(&ibuf)) == -1)
break;
if (n == 0)
errx(1, "pipe closed");
while (!done) {
if ((n = imsg_get(&ibuf, &imsg)) == -1)
errx(1, "imsg_get error");
if (n == 0) {
done = 1;
break;
}
switch (view) {
case VIEW_SUMMARY:
done = summary_msg(&imsg);
}
imsg_free(&imsg);
}
}
close(fd);
}
void
summary_head(void)
{
printf("%-15s %-5s %-10s %-10s %-8s %s\n", "Neighbor", "AS", "MsgRcvd",
"MsgSent", "Up/Down", "State");
}
int
summary_msg(struct imsg *imsg)
{
struct peer *p;
switch (imsg->hdr.type) {
case IMSG_CTL_SHOW_NEIGHBOR:
p = imsg->data;
printf("%-15s %5u %10llu %10llu %8s %s\n",
inet_ntoa(p->conf.remote_addr.sin_addr),
p->conf.remote_as, p->stats.msg_rcvd,
p->stats.msg_send, fmt_timeframe(p->stats.last_updown),
statenames[p->state]);
break;
case IMSG_CTL_END:
return (1);
break;
default:
break;
}
return (0);
}
#define TF_BUFS 8
#define TF_LEN 9
static char *
fmt_timeframe(time_t t)
{
char *buf;
static char tfbuf[TF_BUFS][TF_LEN]; /* ring buffer */
static int idx = 0;
unsigned sec, min, hrs, day, week;
buf = tfbuf[idx++];
if (idx == TF_BUFS)
idx = 0;
if (t == 0) {
snprintf(buf, TF_LEN, "%-8s", "Never");
return (buf);
}
week = time(NULL) - t;
sec = week % 60;
week /= 60;
min = week % 60;
week /= 60;
hrs = week % 24;
week /= 24;
day = week % 7;
week /= 7;
if (week > 0)
snprintf(buf, TF_LEN, "%02uw%01ud%02uh", week, day, hrs);
else if (day > 0)
snprintf(buf, TF_LEN, "%01ud%02uh%02um", day, hrs, min);
else
snprintf(buf, TF_LEN, "%02u:%02u:%02u", hrs, min, sec);
return (buf);
}
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