1/* $NetBSD: iscsi-target.c,v 1.2 2009/06/30 02:44:53 agc Exp $ */
2
3/*-
4 * Copyright (c) 2009 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Alistair Crooks (agc@netbsd.org)
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31#include "config.h"
32
33#ifdef HAVE_SIGNAL_H
34#include <signal.h>
35#endif
36
37#include <ctype.h>
38#include <stdio.h>
39#include <stdlib.h>
40
41#ifdef HAVE_STRING_H
42#include <string.h>
43#endif
44
45#include <unistd.h>
46
47#include "iscsi.h"
48
49
50int
51main(int argc, char **argv)
52{
53	iscsi_target_t	tgt;
54	char		buf[32];
55	int		detach_me_harder;
56	int		i;
57
58	detach_me_harder = 1;
59	iscsi_target_set_defaults(&tgt);
60	while ((i = getopt(argc, argv, "46b:Df:p:s:t:Vv:")) != -1) {
61		switch (i) {
62		case '4':
63		case '6':
64			(void) snprintf(buf, sizeof(buf), "%d", i);
65			iscsi_target_setvar(&tgt, "address family", buf);
66			break;
67		case 'b':
68			iscsi_target_setvar(&tgt, "blocklen", optarg);
69			break;
70		case 'D':
71			detach_me_harder = 0;
72			break;
73		case 'f':
74			iscsi_target_setvar(&tgt, "configfile", optarg);
75			break;
76		case 'p':
77			iscsi_target_setvar(&tgt, "target port", optarg);
78			break;
79		case 's':
80			if ((i = atoi(optarg)) > 0 && i < 128) {
81				iscsi_target_setvar(&tgt, "max sessions", optarg);
82			}
83			break;
84		case 't':
85			iscsi_target_setvar(&tgt, "iqn", optarg);
86			break;
87		case 'V':
88			(void) printf("\"%s\" %s\nPlease send all bug reports to %s\n", PACKAGE_NAME, PACKAGE_VERSION, PACKAGE_BUGREPORT);
89			exit(EXIT_SUCCESS);
90			/* NOTREACHED */
91		case 'v':
92			if (strcmp(optarg, "net") == 0) {
93				iscsi_target_setvar(&tgt, "debug", "net");
94			} else if (strcmp(optarg, "iscsi") == 0) {
95				iscsi_target_setvar(&tgt, "debug", "iscsi");
96			} else if (strcmp(optarg, "scsi") == 0) {
97				iscsi_target_setvar(&tgt, "debug", "scsi");
98			} else if (strcmp(optarg, "all") == 0) {
99				iscsi_target_setvar(&tgt, "debug", "all");
100			}
101			break;
102		}
103	}
104
105	(void) signal(SIGPIPE, SIG_IGN);
106
107	/* Initialize target */
108	if (iscsi_target_start(&tgt) != 0) {
109		(void) fprintf(stderr, "iscsi_target_start() failed\n");
110		exit(EXIT_FAILURE);
111	}
112
113#ifdef HAVE_DAEMON
114	/* if we are supposed to be a daemon, detach from controlling tty */
115	if (detach_me_harder && daemon(0, 0) < 0) {
116		(void) fprintf(stderr, "daemon() failed\n");
117		exit(EXIT_FAILURE);
118	}
119#endif
120
121	/* write pid to a file */
122	iscsi_target_write_pidfile(NULL);
123
124	/* Wait for connections */
125	if (iscsi_target_listen(&tgt) != 0) {
126		(void) fprintf(stderr, "iscsi_target_listen() failed\n");
127	}
128
129	return EXIT_SUCCESS;
130}
131