1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright (C) 2020 Intel Corporation.
3 * All rights reserved.
4 */
5
6 #include "spdk/stdinc.h"
7
8 #include "spdk/event.h"
9 #include "spdk/string.h"
10 #include "spdk/thread.h"
11
12 struct spdk_app_opts g_opts = {};
13 static const char g_app_repeat_get_opts_string[] = "t:";
14 static int g_repeat_times = 2;
15
16 static void
app_repeat_usage(void)17 app_repeat_usage(void)
18 {
19 printf(" -t <num> number of times to repeat calling spdk_app_start/stop\n");
20 }
21
22 static int
app_repeat_parse_arg(int ch,char * arg)23 app_repeat_parse_arg(int ch, char *arg)
24 {
25 switch (ch) {
26 case 't':
27 g_repeat_times = spdk_strtol(arg, 0);
28 if (g_repeat_times < 2) {
29 return -EINVAL;
30 }
31 break;
32 default:
33 return -EINVAL;
34 }
35 return 0;
36 }
37
38 static void
app_repeat_started(void * arg1)39 app_repeat_started(void *arg1)
40 {
41 int index = *(int *)arg1;
42
43 printf("spdk_app_start is called in Round %d.\n", index);
44 }
45
46 static void
_app_repeat_shutdown_cb(void)47 _app_repeat_shutdown_cb(void)
48 {
49 printf("Shutdown signal received, stop current app iteration\n");
50 spdk_app_stop(0);
51 }
52
53 int
main(int argc,char ** argv)54 main(int argc, char **argv)
55 {
56 int rc;
57 int i;
58
59 spdk_app_opts_init(&g_opts, sizeof(g_opts));
60 g_opts.name = "app_repeat";
61 g_opts.shutdown_cb = _app_repeat_shutdown_cb;
62 if ((rc = spdk_app_parse_args(argc, argv, &g_opts, g_app_repeat_get_opts_string,
63 NULL, app_repeat_parse_arg, app_repeat_usage)) !=
64 SPDK_APP_PARSE_ARGS_SUCCESS) {
65 return rc;
66 }
67
68 for (i = 0; i < g_repeat_times; i++) {
69 rc = spdk_app_start(&g_opts, app_repeat_started, &i);
70 spdk_app_fini();
71
72 if (rc) {
73 fprintf(stderr, "Failed to call spdk_app_start in Round %d.\n", i);
74 break;
75 }
76 }
77
78 return rc;
79 }
80