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  * $FreeBSD$
29  */
30 
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <sysexits.h>
34 #include <err.h>
35 #include <unistd.h>
36 #include <ctype.h>
37 #include <assert.h>
38 #include <poll.h>
39 #include <string.h>
40 #include <zlib.h>
41 
42 #include "libfifolog.h"
43 
44 static void
45 usage(void)
46 {
47 	fprintf(stderr,
48 	    "Usage: fifolog_writer [-w write-rate] [-s sync-rate] "
49 	    "[-z compression] file\n");
50 	exit(EX_USAGE);
51 }
52 
53 int
54 main(int argc, char * const *argv)
55 {
56 	struct fifolog_writer *f;
57 	const char *es;
58 	struct pollfd pfd[1];
59 	char buf[BUFSIZ], *p;
60 	int i, c;
61 	unsigned w_opt = 10;
62 	unsigned s_opt = 60;
63 	unsigned z_opt = Z_BEST_COMPRESSION;
64 
65 	while ((c = getopt(argc, argv, "w:s:z:")) != -1) {
66 		switch(c) {
67 		case 'w':
68 			w_opt = strtoul(optarg, NULL, 0);
69 			break;
70 		case 's':
71 			s_opt = strtoul(optarg, NULL, 0);
72 			break;
73 		case 'z':
74 			z_opt = strtoul(optarg, NULL, 0);
75 			break;
76 		default:
77 			usage();
78 		}
79 	}
80 	argc -= optind;
81 	argv += optind;
82 	if (argc != 1)
83 		usage();
84 
85 	if (z_opt > 9)
86 		usage();
87 
88 	if (w_opt > s_opt)
89 		usage();
90 
91 	f = fifolog_write_new();
92 	assert(f != NULL);
93 
94 	es = fifolog_write_open(f, argv[0], w_opt, s_opt, z_opt);
95 	if (es)
96 		err(1, "Error: %s", es);
97 
98 	while (1) {
99 		pfd[0].fd = 0;
100 		pfd[0].events = POLLIN;
101 		i = poll(pfd, 1, 1000);
102 		if (i == 1) {
103 			if (fgets(buf, sizeof buf, stdin) == NULL)
104 				break;
105 			p = strchr(buf, '\0');
106 			assert(p != NULL);
107 			while (p > buf && isspace(p[-1]))
108 				p--;
109 			*p = '\0';
110 			if (*buf != '\0')
111 				fifolog_write_record_poll(f, 0, 0, buf, 0);
112 		} else if (i == 0)
113 			fifolog_write_poll(f, 0);
114 	}
115 	fifolog_write_close(f);
116 	return (0);
117 }
118