/*-
* Copyright (c) 2002-2007 Sam Leffler, Errno Consulting
* 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 <string.h>
#include "bsdstat.h"
static void
bsdstat_setfmt(struct bsdstat *sf, const char *fmt0)
{
#define N(a) (sizeof(a)/sizeof(a[0]))
char fmt[4096];
char *fp, *tok;
int i, j;
j = 0;
strlcpy(fmt, fmt0, sizeof(fmt));
for (fp = fmt; (tok = strsep(&fp, ", ")) != NULL;) {
for (i = 0; i < sf->nstats; i++)
if (strcasecmp(tok, sf->stats[i].name) == 0)
break;
if (i >= sf->nstats) {
fprintf(stderr, "%s: unknown statistic name \"%s\" "
"skipped\n", sf->name, tok);
continue;
}
if (j+3 > (int) sizeof(sf->fmts)) {
fprintf(stderr, "%s: not enough room for all stats; "
"stopped at %s\n", sf->name, tok);
break;
}
if (j != 0)
sf->fmts[j++] = ' ';
sf->fmts[j++] = FMTS_IS_STAT;
sf->fmts[j++] = i & 0xff;
sf->fmts[j++] = (i >> 8) & 0xff;
}
sf->fmts[j] = '\0';
#undef N
}
static void
bsdstat_collect(struct bsdstat *sf)
{
fprintf(stderr, "%s: don't know how to collect data\n", sf->name);
}
static void
bsdstat_update_tot(struct bsdstat *sf)
{
fprintf(stderr, "%s: don't know how to update total data\n", sf->name);
}
static int
bsdstat_get(struct bsdstat *sf, int s, char b[] __unused, size_t bs __unused)
{
fprintf(stderr, "%s: don't know how to get stat #%u\n", sf->name, s);
return 0;
}
static void
bsdstat_print_header(struct bsdstat *sf, FILE *fd)
{
const unsigned char *cp;
int i;
const struct fmt *f;
for (cp = sf->fmts; *cp != '\0'; cp++) {
if (*cp == FMTS_IS_STAT) {
i = *(++cp);
i |= ((int) *(++cp)) << 8;
f = &sf->stats[i];
fprintf(fd, "%*s", f->width, f->label);
} else
putc(*cp, fd);
}
putc('\n', fd);
}
static void
bsdstat_print_current(struct bsdstat *sf, FILE *fd)
{
char buf[32];
const unsigned char *cp;
int i;
const struct fmt *f;
for (cp = sf->fmts; *cp != '\0'; cp++) {
if (*cp == FMTS_IS_STAT) {
i = *(++cp);
i |= ((int) *(++cp)) << 8;
f = &sf->stats[i];
if (sf->get_curstat(sf, i, buf, sizeof(buf)))
fprintf(fd, "%*s", f->width, buf);
} else
putc(*cp, fd);
}
putc('\n', fd);
}
static void
bsdstat_print_total(struct bsdstat *sf, FILE *fd)
{
char buf[32];
const unsigned char *cp;
const struct fmt *f;
int i;
for (cp = sf->fmts; *cp != '\0'; cp++) {
if (*cp == FMTS_IS_STAT) {
i = *(++cp);
i |= ((int) *(++cp)) << 8;
f = &sf->stats[i];
if (sf->get_totstat(sf, i, buf, sizeof(buf)))
fprintf(fd, "%*s", f->width, buf);
} else
putc(*cp, fd);
}
putc('\n', fd);
}
static void
bsdstat_print_verbose(struct bsdstat *sf, FILE *fd)
{
const struct fmt *f;
char s[32];
int i, width;
width = 0;
for (i = 0; i < sf->nstats; i++) {
f = &sf->stats[i];
if (f->width > width)
width = f->width;
}
for (i = 0; i < sf->nstats; i++) {
f = &sf->stats[i];
if (sf->get_totstat(sf, i, s, sizeof(s)) && strcmp(s, "0"))
fprintf(fd, "%-*s %s\n", width, s, f->desc);
}
}
static void
bsdstat_print_fields(struct bsdstat *sf, FILE *fd)
{
int i, w, width;
width = 0;
for (i = 0; i < sf->nstats; i++) {
w = strlen(sf->stats[i].name);
if (w > width)
width = w;
}
for (i = 0; i < sf->nstats; i++) {
const struct fmt *f = &sf->stats[i];
if (f->width != 0)
fprintf(fd, "%-*s %s\n", width, f->name, f->desc);
}
}
void
bsdstat_init(struct bsdstat *sf, const char *name, const struct fmt *stats, int nstats)
{
sf->name = name;
sf->stats = stats;
sf->nstats = nstats;
sf->setfmt = bsdstat_setfmt;
sf->collect_cur = bsdstat_collect;
sf->collect_tot = bsdstat_collect;
sf->update_tot = bsdstat_update_tot;
sf->get_curstat = bsdstat_get;
sf->get_totstat = bsdstat_get;
sf->print_header = bsdstat_print_header;
sf->print_current = bsdstat_print_current;
sf->print_total = bsdstat_print_total;
sf->print_verbose = bsdstat_print_verbose;
sf->print_fields = bsdstat_print_fields;
}
