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path: root/usr.sbin/bgpctl/bgpctl.c
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/*	$OpenBSD: bgpctl.c,v 1.2 2004/01/03 13:55:18 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"

int	main(int, char *[]);

struct imsgbuf	ibuf;

static const char *statenames[] = {
	"None",
	"Idle",
	"Connect",
	"Active",
	"OpenSent",
	"OpenConfirm",
	"Established"
};

int
main(int argc, char *argv[])
{
	struct sockaddr_un	 sun;
	int			 fd, n, done;
	struct imsg		 imsg;
	struct peer		*p;

	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);
	imsg_compose(&ibuf, IMSG_CTL_SHOW_NEIGHBOR, 0, NULL, 0);
	done = 0;

	while (!done) {
		if(imsg_read(&ibuf) == -1)
			break;

		while (!done) {
			if ((n = imsg_get(&ibuf, &imsg)) == -1)
				errx(1, "imsg_get error");

			if (n == 0) {
				done = 1;
				break;
			}

			switch (imsg.hdr.type) {
			case IMSG_CTL_SHOW_NEIGHBOR:
				p = imsg.data;
				printf("%s: %s\n",
				    inet_ntoa(p->conf.remote_addr.sin_addr),
				    statenames[p->state]);
				break;
			case IMSG_CTL_END:
				done = 1;
				break;
			default:
				break;
			}
		}
	}
	close(fd);
}