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Bring over the visibility control tool for Monthadar's wtap project.

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This allows basic control over which wtap nodes can see which other
wtap nodes.
This commit is contained in:
Adrian Chadd 2012-01-22 04:51:00 +00:00
parent aa57e971bc
commit 11e66657d7
3 changed files with 131 additions and 0 deletions
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5
tools/tools/wtap/Makefile Normal file
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# $FreeBSD$
SUBDIR= wtap vis_map
.include <bsd.subdir.mk>

9
tools/tools/wtap/vis_map/Makefile Normal file
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# $FreeBSD$
PROG= vis_map
SRC= vis_map.c
NO_MAN= 1
CFLAGS+= -I${.CURDIR}/../../../../sys/dev/wtap/
.include <bsd.prog.mk>

117
tools/tools/wtap/vis_map/vis_map.c Normal file
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/*-
* Copyright (c) 2010-2011 Monthadar Al Jaberi, TerraNet AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*
* $FreeBSD$
*/
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/ioctl.h>
/*
* From the driver itself
*/
#include <plugins/visibility_ioctl.h>
static int dev = -1;
static void
toggle_medium(int op)
{
if (ioctl(dev, VISIOCTLOPEN, &op) < 0) {
printf("error opening/closing medium\n");
}
}
static void
link_op(struct link *l)
{
if (ioctl(dev, VISIOCTLLINK, l) < 0) {
printf("error making a link operation\n");
}
}
static void
usage(const char *argv[])
{
printf("usage: %s [o | c | [ [a|d] wtap_id1 wtap_id2]]\n",
argv[0]);
}
int
main(int argc, const char* argv[])
{
struct link l;
char cmd;
if (argc < 2) {
usage(argv);
exit(1);
}
dev = open("/dev/visctl", O_RDONLY);
if (dev < 0) {
printf("error opening visctl cdev\n");
exit(1);
}
cmd = (char)*argv[1];
switch (cmd) {
case 'o':
toggle_medium(1);
break;
case 'c':
toggle_medium(0);
break;
case 'a':
if (argc < 4) {
usage(argv);
exit(1);
}
l.op = 1;
l.id1 = atoi(argv[2]);
l.id2 = atoi(argv[3]);
link_op(&l);
break;
case 'd':
if (argc < 4) {
usage(argv);
exit(1);
}
l.op = 0;
l.id1 = atoi(argv[2]);
l.id2 = atoi(argv[3]);
link_op(&l);
break;
default:
printf("wtap ioctl: unkown command '%c'\n", *argv[1]);
exit(1);
}
exit(0);
}