1 /*- 2 * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification. 11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 13 * redistribution must be conditioned upon including a substantially 14 * similar Disclaimer requirement for further binary redistribution. 15 * 16 * NO WARRANTY 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTABILITY 20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27 * THE POSSIBILITY OF SUCH DAMAGES. 28 * 29 * $FreeBSD: src/tools/tools/ath/athstats/statfoo.c,v 1.5 2009/02/13 05:42:25 sam Exp $ 30 */ 31 32 #include <stdio.h> 33 #include <string.h> 34 35 #include "statfoo.h" 36 37 static void 38 statfoo_setfmt(struct statfoo *sf, const char *fmt0) 39 { 40 #define N(a) (sizeof(a)/sizeof(a[0])) 41 char fmt[4096]; 42 char *fp, *tok; 43 int i, j; 44 45 j = 0; 46 strlcpy(fmt, fmt0, sizeof(fmt)); 47 for (fp = fmt; (tok = strsep(&fp, ", ")) != NULL;) { 48 for (i = 0; i < sf->nstats; i++) 49 if (strcasecmp(tok, sf->stats[i].name) == 0) 50 break; 51 if (i >= sf->nstats) { 52 fprintf(stderr, "%s: unknown statistic name \"%s\" " 53 "skipped\n", sf->name, tok); 54 continue; 55 } 56 if (j+3 > sizeof(sf->fmts)) { 57 fprintf(stderr, "%s: not enough room for all stats; " 58 "stopped at %s\n", sf->name, tok); 59 break; 60 } 61 if (j != 0) 62 sf->fmts[j++] = ' '; 63 sf->fmts[j++] = 0x80 | i; 64 } 65 sf->fmts[j] = '\0'; 66 #undef N 67 } 68 69 static void 70 statfoo_collect(struct statfoo *sf) 71 { 72 fprintf(stderr, "%s: don't know how to collect data\n", sf->name); 73 } 74 75 static void 76 statfoo_update_tot(struct statfoo *sf) 77 { 78 fprintf(stderr, "%s: don't know how to update total data\n", sf->name); 79 } 80 81 static int 82 statfoo_get(struct statfoo *sf, int s, char b[], size_t bs) 83 { 84 fprintf(stderr, "%s: don't know how to get stat #%u\n", sf->name, s); 85 return 0; 86 } 87 88 static void 89 statfoo_print_header(struct statfoo *sf, FILE *fd) 90 { 91 const unsigned char *cp; 92 93 for (cp = sf->fmts; *cp != '\0'; cp++) { 94 if (*cp & 0x80) { 95 const struct fmt *f = &sf->stats[*cp &~ 0x80]; 96 fprintf(fd, "%*s", f->width, f->label); 97 } else 98 putc(*cp, fd); 99 } 100 putc('\n', fd); 101 } 102 103 static void 104 statfoo_print_current(struct statfoo *sf, FILE *fd) 105 { 106 char buf[32]; 107 const unsigned char *cp; 108 109 for (cp = sf->fmts; *cp != '\0'; cp++) { 110 if (*cp & 0x80) { 111 const struct fmt *f = &sf->stats[*cp &~ 0x80]; 112 if (sf->get_curstat(sf, *cp &~ 0x80, buf, sizeof(buf))) 113 fprintf(fd, "%*s", f->width, buf); 114 } else 115 putc(*cp, fd); 116 } 117 putc('\n', fd); 118 } 119 120 static void 121 statfoo_print_total(struct statfoo *sf, FILE *fd) 122 { 123 char buf[32]; 124 const unsigned char *cp; 125 126 for (cp = sf->fmts; *cp != '\0'; cp++) { 127 if (*cp & 0x80) { 128 const struct fmt *f = &sf->stats[*cp &~ 0x80]; 129 if (sf->get_totstat(sf, *cp &~ 0x80, buf, sizeof(buf))) 130 fprintf(fd, "%*s", f->width, buf); 131 } else 132 putc(*cp, fd); 133 } 134 putc('\n', fd); 135 } 136 137 static void 138 statfoo_print_verbose(struct statfoo *sf, FILE *fd) 139 { 140 const struct fmt *f; 141 char s[32]; 142 int i, width; 143 144 width = 0; 145 for (i = 0; i < sf->nstats; i++) { 146 f = &sf->stats[i]; 147 if (f->width > width) 148 width = f->width; 149 } 150 for (i = 0; i < sf->nstats; i++) { 151 f = &sf->stats[i]; 152 if (sf->get_totstat(sf, i, s, sizeof(s)) && strcmp(s, "0")) 153 fprintf(fd, "%-*s %s\n", width, s, f->desc); 154 } 155 } 156 157 static void 158 statfoo_print_fields(struct statfoo *sf, FILE *fd) 159 { 160 int i, w, width; 161 162 width = 0; 163 for (i = 0; i < sf->nstats; i++) { 164 w = strlen(sf->stats[i].name); 165 if (w > width) 166 width = w; 167 } 168 for (i = 0; i < sf->nstats; i++) { 169 const struct fmt *f = &sf->stats[i]; 170 if (f->width != 0) 171 fprintf(fd, "%-*s %s\n", width, f->name, f->desc); 172 } 173 } 174 175 void 176 statfoo_init(struct statfoo *sf, const char *name, const struct fmt *stats, int nstats) 177 { 178 sf->name = name; 179 sf->stats = stats; 180 sf->nstats = nstats; 181 sf->setfmt = statfoo_setfmt; 182 sf->collect_cur = statfoo_collect; 183 sf->collect_tot = statfoo_collect; 184 sf->update_tot = statfoo_update_tot; 185 sf->get_curstat = statfoo_get; 186 sf->get_totstat = statfoo_get; 187 sf->print_header = statfoo_print_header; 188 sf->print_current = statfoo_print_current; 189 sf->print_total = statfoo_print_total; 190 sf->print_verbose = statfoo_print_verbose; 191 sf->print_fields = statfoo_print_fields; 192 } 193