statfoo.c revision 174244
1161200Ssam/*- 2174244Ssam * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting 3161200Ssam * All rights reserved. 4161200Ssam * 5161200Ssam * Redistribution and use in source and binary forms, with or without 6161200Ssam * modification, are permitted provided that the following conditions 7161200Ssam * are met: 8161200Ssam * 1. Redistributions of source code must retain the above copyright 9161200Ssam * notice, this list of conditions and the following disclaimer, 10161200Ssam * without modification. 11161200Ssam * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12161200Ssam * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 13161200Ssam * redistribution must be conditioned upon including a substantially 14161200Ssam * similar Disclaimer requirement for further binary redistribution. 15161200Ssam * 16161200Ssam * NO WARRANTY 17161200Ssam * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18161200Ssam * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19161200Ssam * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 20161200Ssam * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21161200Ssam * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 22161200Ssam * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23161200Ssam * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24161200Ssam * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25161200Ssam * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26161200Ssam * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27161200Ssam * THE POSSIBILITY OF SUCH DAMAGES. 28161200Ssam * 29161200Ssam * $FreeBSD: head/tools/tools/net80211/wlanstats/statfoo.c 174244 2007-12-04 05:52:01Z sam $ 30161200Ssam */ 31161200Ssam 32161200Ssam#include <stdio.h> 33161200Ssam#include <string.h> 34161200Ssam 35161200Ssam#include "statfoo.h" 36161200Ssam 37161200Ssamstatic void 38161200Ssamstatfoo_setfmt(struct statfoo *sf, const char *fmt0) 39161200Ssam{ 40161200Ssam#define N(a) (sizeof(a)/sizeof(a[0])) 41161200Ssam char fmt[4096]; 42161200Ssam char *fp, *tok; 43161200Ssam int i, j; 44161200Ssam 45161200Ssam j = 0; 46161200Ssam strlcpy(fmt, fmt0, sizeof(fmt)); 47161200Ssam for (fp = fmt; (tok = strsep(&fp, ", ")) != NULL;) { 48161200Ssam for (i = 0; i < sf->nstats; i++) 49161200Ssam if (strcasecmp(tok, sf->stats[i].name) == 0) 50161200Ssam break; 51161200Ssam if (i >= sf->nstats) { 52161200Ssam fprintf(stderr, "%s: unknown statistic name \"%s\" " 53161200Ssam "skipped\n", sf->name, tok); 54161200Ssam continue; 55161200Ssam } 56161200Ssam if (j+3 > sizeof(sf->fmts)) { 57161200Ssam fprintf(stderr, "%s: not enough room for all stats; " 58161200Ssam "stopped at %s\n", sf->name, tok); 59161200Ssam break; 60161200Ssam } 61161200Ssam if (j != 0) 62161200Ssam sf->fmts[j++] = ' '; 63161200Ssam sf->fmts[j++] = 0x80 | i; 64161200Ssam } 65161200Ssam sf->fmts[j] = '\0'; 66161200Ssam#undef N 67161200Ssam} 68161200Ssam 69161200Ssamstatic void 70161200Ssamstatfoo_collect(struct statfoo *sf) 71161200Ssam{ 72161200Ssam fprintf(stderr, "%s: don't know how to collect data\n", sf->name); 73161200Ssam} 74161200Ssam 75161200Ssamstatic void 76161200Ssamstatfoo_update_tot(struct statfoo *sf) 77161200Ssam{ 78161200Ssam fprintf(stderr, "%s: don't know how to update total data\n", sf->name); 79161200Ssam} 80161200Ssam 81161200Ssamstatic int 82161200Ssamstatfoo_get(struct statfoo *sf, int s, char b[], size_t bs) 83161200Ssam{ 84161200Ssam fprintf(stderr, "%s: don't know how to get stat #%u\n", sf->name, s); 85161200Ssam return 0; 86161200Ssam} 87161200Ssam 88161200Ssamstatic void 89161200Ssamstatfoo_print_header(struct statfoo *sf, FILE *fd) 90161200Ssam{ 91161200Ssam const unsigned char *cp; 92161200Ssam 93161200Ssam for (cp = sf->fmts; *cp != '\0'; cp++) { 94161200Ssam if (*cp & 0x80) { 95161200Ssam const struct fmt *f = &sf->stats[*cp &~ 0x80]; 96161200Ssam fprintf(fd, "%*s", f->width, f->label); 97161200Ssam } else 98161200Ssam putc(*cp, fd); 99161200Ssam } 100161200Ssam putc('\n', fd); 101161200Ssam} 102161200Ssam 103161200Ssamstatic void 104161200Ssamstatfoo_print_current(struct statfoo *sf, FILE *fd) 105161200Ssam{ 106161200Ssam char buf[32]; 107161200Ssam const unsigned char *cp; 108161200Ssam 109161200Ssam for (cp = sf->fmts; *cp != '\0'; cp++) { 110161200Ssam if (*cp & 0x80) { 111161200Ssam const struct fmt *f = &sf->stats[*cp &~ 0x80]; 112161200Ssam if (sf->get_curstat(sf, *cp &~ 0x80, buf, sizeof(buf))) 113161200Ssam fprintf(fd, "%*s", f->width, buf); 114161200Ssam } else 115161200Ssam putc(*cp, fd); 116161200Ssam } 117161200Ssam putc('\n', fd); 118161200Ssam} 119161200Ssam 120161200Ssamstatic void 121161200Ssamstatfoo_print_total(struct statfoo *sf, FILE *fd) 122161200Ssam{ 123161200Ssam char buf[32]; 124161200Ssam const unsigned char *cp; 125161200Ssam 126161200Ssam for (cp = sf->fmts; *cp != '\0'; cp++) { 127161200Ssam if (*cp & 0x80) { 128161200Ssam const struct fmt *f = &sf->stats[*cp &~ 0x80]; 129161200Ssam if (sf->get_totstat(sf, *cp &~ 0x80, buf, sizeof(buf))) 130161200Ssam fprintf(fd, "%*s", f->width, buf); 131161200Ssam } else 132161200Ssam putc(*cp, fd); 133161200Ssam } 134161200Ssam putc('\n', fd); 135161200Ssam} 136161200Ssam 137161200Ssamstatic void 138161200Ssamstatfoo_print_verbose(struct statfoo *sf, FILE *fd) 139161200Ssam{ 140173305Ssam const struct fmt *f; 141161200Ssam char s[32]; 142173305Ssam int i, width; 143161200Ssam 144173305Ssam width = 0; 145161200Ssam for (i = 0; i < sf->nstats; i++) { 146173305Ssam f = &sf->stats[i]; 147173305Ssam if (f->width > width) 148173305Ssam width = f->width; 149173305Ssam } 150173305Ssam for (i = 0; i < sf->nstats; i++) { 151173305Ssam f = &sf->stats[i]; 152161200Ssam if (sf->get_totstat(sf, i, s, sizeof(s)) && strcmp(s, "0")) 153173305Ssam fprintf(fd, "%-*s %s\n", width, s, f->desc); 154161200Ssam } 155161200Ssam} 156161200Ssam 157161200Ssamstatic void 158161200Ssamstatfoo_print_fields(struct statfoo *sf, FILE *fd) 159161200Ssam{ 160161200Ssam int i, w, width; 161161200Ssam 162161200Ssam width = 0; 163161200Ssam for (i = 0; i < sf->nstats; i++) { 164161200Ssam w = strlen(sf->stats[i].name); 165161200Ssam if (w > width) 166161200Ssam width = w; 167161200Ssam } 168161200Ssam for (i = 0; i < sf->nstats; i++) { 169161200Ssam const struct fmt *f = &sf->stats[i]; 170161200Ssam if (f->width != 0) 171161200Ssam fprintf(fd, "%-*s %s\n", width, f->name, f->desc); 172161200Ssam } 173161200Ssam} 174161200Ssam 175161200Ssamvoid 176161200Ssamstatfoo_init(struct statfoo *sf, const char *name, const struct fmt *stats, int nstats) 177161200Ssam{ 178161200Ssam sf->name = name; 179161200Ssam sf->stats = stats; 180161200Ssam sf->nstats = nstats; 181161200Ssam sf->setfmt = statfoo_setfmt; 182161200Ssam sf->collect_cur = statfoo_collect; 183161200Ssam sf->collect_tot = statfoo_collect; 184161200Ssam sf->update_tot = statfoo_update_tot; 185161200Ssam sf->get_curstat = statfoo_get; 186161200Ssam sf->get_totstat = statfoo_get; 187161200Ssam sf->print_header = statfoo_print_header; 188161200Ssam sf->print_current = statfoo_print_current; 189161200Ssam sf->print_total = statfoo_print_total; 190161200Ssam sf->print_verbose = statfoo_print_verbose; 191161200Ssam sf->print_fields = statfoo_print_fields; 192161200Ssam} 193