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/*-
* Copyright (c) 2008 Yahoo!, Inc.
* All rights reserved.
* Written by: John Baldwin <jhb@FreeBSD.org>
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$FreeBSD$");
#include <sys/param.h>
#include <sys/errno.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "mpsutil.h"
SET_DECLARE(MPS_DATASET(top), struct mpsutil_command);
SET_DECLARE(MPS_DATASET(usage), struct mpsutil_usage);
int mps_unit;
int is_mps;
static void
usage(void)
{
struct mpsutil_usage **cmd;
const char *args, *desc;
fprintf(stderr, "usage: %s [-u unit] <command> ...\n\n", getprogname());
fprintf(stderr, "Commands include:\n");
SET_FOREACH(cmd, MPS_DATASET(usage)) {
if (*cmd == NULL)
fprintf(stderr, "\n");
else
(*cmd)->handler(&args, &desc);
if (strncmp((*cmd)->set, "top", 3) == 0)
fprintf(stderr, "%s %-30s\t%s\n",
(*cmd)->name, args, desc);
else
fprintf(stderr, "%s %s %-30s\t%s\n",
(*cmd)->set, (*cmd)->name, args, desc);
}
exit(1);
}
static int
version(int ac, char **av)
{
printf("%s: version %s", MPSUTIL_VERSION, getprogname());
#ifdef DEBUG
printf(" (DEBUG)");
#endif
printf("\n");
return (0);
}
MPS_COMMAND(top, version, version, "", "version")
int
main(int ac, char **av)
{
struct mpsutil_command **cmd;
int ch;
is_mps = !strcmp(getprogname(), "mpsutil");
while ((ch = getopt(ac, av, "u:h?")) != -1) {
switch (ch) {
case 'u':
mps_unit = atoi(optarg);
break;
case 'h':
case '?':
usage();
return (1);
}
}
av += optind;
ac -= optind;
/* getopt() eats av[0], so we can't use mpt_table_handler() directly. */
if (ac == 0) {
usage();
return (1);
}
SET_FOREACH(cmd, MPS_DATASET(top)) {
if (strcmp((*cmd)->name, av[0]) == 0) {
if ((*cmd)->handler(ac, av))
return (1);
else
return (0);
}
}
warnx("Unknown command %s.", av[0]);
return (1);
}
int
mps_table_handler(struct mpsutil_command **start, struct mpsutil_command **end,
int ac, char **av)
{
struct mpsutil_command **cmd;
if (ac < 2) {
warnx("The %s command requires a sub-command.", av[0]);
return (EINVAL);
}
for (cmd = start; cmd < end; cmd++) {
if (strcmp((*cmd)->name, av[1]) == 0)
return ((*cmd)->handler(ac - 1, av + 1));
}
warnx("%s is not a valid sub-command of %s.", av[1], av[0]);
return (ENOENT);
}
void
hexdump(const void *ptr, int length, const char *hdr, int flags)
{
int i, j, k;
int cols;
const unsigned char *cp;
char delim;
if ((flags & HD_DELIM_MASK) != 0)
delim = (flags & HD_DELIM_MASK) >> 8;
else
delim = ' ';
if ((flags & HD_COLUMN_MASK) != 0)
cols = flags & HD_COLUMN_MASK;
else
cols = 16;
cp = ptr;
for (i = 0; i < length; i+= cols) {
if (hdr != NULL)
printf("%s", hdr);
if ((flags & HD_OMIT_COUNT) == 0)
printf("%04x ", i);
if ((flags & HD_OMIT_HEX) == 0) {
for (j = 0; j < cols; j++) {
if (flags & HD_REVERSED)
k = i + (cols - 1 - j);
else
k = i + j;
if (k < length)
printf("%c%02x", delim, cp[k]);
else
printf(" ");
}
}
if ((flags & HD_OMIT_CHARS) == 0) {
printf(" |");
for (j = 0; j < cols; j++) {
if (flags & HD_REVERSED)
k = i + (cols - 1 - j);
else
k = i + j;
if (k >= length)
printf(" ");
else if (cp[k] >= ' ' && cp[k] <= '~')
printf("%c", cp[k]);
else
printf(".");
}
printf("|");
}
printf("\n");
}
}
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