1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2005-2008 Poul-Henning Kamp 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <stdio.h> 30 #include <stdlib.h> 31 #include <sysexits.h> 32 #include <err.h> 33 #include <unistd.h> 34 #include <ctype.h> 35 #include <assert.h> 36 #include <poll.h> 37 #include <string.h> 38 #include <zlib.h> 39 40 #include "libfifolog.h" 41 42 static void 43 usage(void) 44 { 45 fprintf(stderr, 46 "Usage: fifolog_writer [-w write-rate] [-s sync-rate] " 47 "[-z compression] file\n"); 48 exit(EX_USAGE); 49 } 50 51 int 52 main(int argc, char * const *argv) 53 { 54 struct fifolog_writer *f; 55 const char *es; 56 struct pollfd pfd[1]; 57 char buf[BUFSIZ], *p; 58 int i, c; 59 unsigned w_opt = 10; 60 unsigned s_opt = 60; 61 unsigned z_opt = Z_BEST_COMPRESSION; 62 63 while ((c = getopt(argc, argv, "w:s:z:")) != -1) { 64 switch(c) { 65 case 'w': 66 w_opt = strtoul(optarg, NULL, 0); 67 break; 68 case 's': 69 s_opt = strtoul(optarg, NULL, 0); 70 break; 71 case 'z': 72 z_opt = strtoul(optarg, NULL, 0); 73 break; 74 default: 75 usage(); 76 } 77 } 78 argc -= optind; 79 argv += optind; 80 if (argc != 1) 81 usage(); 82 83 if (z_opt > 9) 84 usage(); 85 86 if (w_opt > s_opt) 87 usage(); 88 89 f = fifolog_write_new(); 90 assert(f != NULL); 91 92 es = fifolog_write_open(f, argv[0], w_opt, s_opt, z_opt); 93 if (es) 94 err(1, "Error: %s", es); 95 96 while (1) { 97 pfd[0].fd = 0; 98 pfd[0].events = POLLIN; 99 i = poll(pfd, 1, 1000); 100 if (i == 1) { 101 if (fgets(buf, sizeof buf, stdin) == NULL) 102 break; 103 p = strchr(buf, '\0'); 104 assert(p != NULL); 105 while (p > buf && isspace(p[-1])) 106 p--; 107 *p = '\0'; 108 if (*buf != '\0') 109 fifolog_write_record_poll(f, 0, 0, buf, 0); 110 } else if (i == 0) 111 fifolog_write_poll(f, 0); 112 } 113 fifolog_write_close(f); 114 return (0); 115 } 116