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 <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