1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/stdinc.h"
#include "spdk/config.h"
#include "spdk/env.h"
#include "spdk/event.h"
#include "spdk/vhost.h"
#ifdef SPDK_CONFIG_VHOST
#define SPDK_VHOST_OPTS "S:"
#else
#define SPDK_VHOST_OPTS
#endif
static const char *g_pid_path = NULL;
static const char g_spdk_tgt_get_opts_string[] = "f:" SPDK_VHOST_OPTS;
static void
spdk_tgt_usage(void)
{
printf(" -f <file> pidfile save pid to file under given path\n");
#ifdef SPDK_CONFIG_VHOST
printf(" -S <path> directory where to create vhost sockets (default: pwd)\n");
#endif
}
static void
spdk_tgt_save_pid(const char *pid_path)
{
FILE *pid_file;
pid_file = fopen(pid_path, "w");
if (pid_file == NULL) {
fprintf(stderr, "Couldn't create pid file '%s': %s\n", pid_path, strerror(errno));
exit(EXIT_FAILURE);
}
fprintf(pid_file, "%d\n", getpid());
fclose(pid_file);
}
static int
spdk_tgt_parse_arg(int ch, char *arg)
{
switch (ch) {
case 'f':
g_pid_path = arg;
break;
#ifdef SPDK_CONFIG_VHOST
case 'S':
spdk_vhost_set_socket_path(arg);
break;
#endif
default:
return -EINVAL;
}
return 0;
}
static void
spdk_tgt_started(void *arg1)
{
if (g_pid_path) {
spdk_tgt_save_pid(g_pid_path);
}
if (getenv("MEMZONE_DUMP") != NULL) {
spdk_memzone_dump(stdout);
fflush(stdout);
}
}
int
main(int argc, char **argv)
{
struct spdk_app_opts opts = {};
int rc;
spdk_app_opts_init(&opts);
opts.name = "spdk_tgt";
if ((rc = spdk_app_parse_args(argc, argv, &opts, g_spdk_tgt_get_opts_string,
NULL, spdk_tgt_parse_arg, spdk_tgt_usage)) !=
SPDK_APP_PARSE_ARGS_SUCCESS) {
return rc;
}
rc = spdk_app_start(&opts, spdk_tgt_started, NULL);
spdk_app_fini();
return rc;
}
|
