1 /*- 2 * Copyright (c) 2005-2008 Poul-Henning Kamp 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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <stdio.h> 30 #include <assert.h> 31 #include <unistd.h> 32 #include <err.h> 33 #include <time.h> 34 #include <string.h> 35 #include <stdlib.h> 36 #include <sysexits.h> 37 #include <regex.h> 38 39 #include "libfifolog.h" 40 41 static time_t opt_B; 42 static time_t opt_E; 43 static const char *opt_T; 44 static const char *opt_o; 45 static const char *opt_R; 46 static regex_t R; 47 48 static FILE *fo; 49 50 static void 51 Render(void *priv __unused, time_t now, unsigned flag __unused, const unsigned char *p, unsigned l __unused) 52 { 53 static struct tm utc; 54 char buf[128]; 55 int i; 56 57 if (now < opt_B || now > opt_E) 58 return; 59 60 if (opt_R != NULL && regexec(&R, (const char *)p, 0, NULL, 0)) 61 return; 62 63 if (opt_T != NULL && *opt_T == '\0') { 64 fprintf(fo, "%s\n", p); 65 } else if (opt_T != NULL) { 66 (void)gmtime_r(&now, &utc); 67 i = strftime(buf, sizeof buf, opt_T, &utc); 68 assert(i > 0); 69 fprintf(fo, "%s %s\n", buf, p); 70 } else { 71 fprintf(fo, "%12ld %s\n", (long)now, p); 72 } 73 } 74 75 /*--------------------------------------------------------------------*/ 76 77 static void 78 Usage(void) 79 { 80 fprintf(stderr, 81 "Usage: fiforead [options] fifofile\n" 82 "\t-b <start time integer>\n" 83 "\t-B <start time>\n" 84 "\t-e <end time integer>\n" 85 "\t-E <end time>\n" 86 "\t-o <output file>\n" 87 "\t-R <regexp> # match regexp\n" 88 "\t-t # format timestamps as %%Y%%m%%d%%H%%M%%S\n" 89 "\t-T <timestamp format>\n" 90 ); 91 exit (EX_USAGE); 92 } 93 94 int 95 main(int argc, char * const *argv) 96 { 97 int ch, i; 98 off_t o; 99 struct fifolog_reader *fl; 100 101 time(&opt_E); 102 opt_o = "-"; 103 while ((ch = getopt(argc, argv, "b:B:e:E:o:R:tT:")) != -1) { 104 switch (ch) { 105 case 'b': 106 opt_B = strtoul(optarg, NULL, 0); 107 break; 108 case 'B': 109 opt_B = get_date(optarg); 110 if (opt_B == -1) 111 errx(1, "Didn't understand \"%s\"", optarg); 112 break; 113 case 'e': 114 opt_E = strtoul(optarg, NULL, 0); 115 break; 116 case 'E': 117 opt_E = get_date(optarg); 118 if (opt_E == -1) 119 errx(1, "Didn't understand \"%s\"", optarg); 120 break; 121 case 'o': 122 opt_o = optarg; 123 break; 124 case 'R': 125 opt_R = optarg; 126 break; 127 case 't': 128 opt_T = "%Y%m%d%H%M%S"; 129 break; 130 case 'T': 131 opt_T = optarg; 132 break; 133 default: 134 Usage(); 135 } 136 } 137 argc -= optind; 138 argv += optind; 139 140 if (opt_R != NULL) { 141 i = regcomp(&R, opt_R, REG_NOSUB); 142 if (i != 0) { 143 char buf[BUFSIZ]; 144 (void)regerror(i, &R, buf, sizeof buf); 145 fprintf(stderr, "-R argument: %s\n", buf); 146 exit (1); 147 } 148 } 149 150 if (argv[0] == NULL) 151 Usage(); 152 153 fprintf(stderr, "From\t%jd %s", (intmax_t)opt_B, ctime(&opt_B)); 154 fprintf(stderr, "To\t%jd %s", (intmax_t)opt_E, ctime(&opt_E)); 155 if (opt_B >= opt_E) 156 errx(1, "Begin time not before End time"); 157 158 fl = fifolog_reader_open(argv[0]); 159 160 if (!strcmp(opt_o, "-")) 161 fo = stdout; 162 else { 163 fo = fopen(opt_o, "w"); 164 if (fo == NULL) 165 err(1, "Cannot open: %s", argv[1]); 166 } 167 168 o = fifolog_reader_seek(fl, opt_B); 169 fifolog_reader_process(fl, o, Render, NULL, opt_E); 170 return (0); 171 } 172