1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) Intel Corporation. 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 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include "spdk/stdinc.h" 35 36 #include "spdk/event.h" 37 #include "spdk/string.h" 38 #include "spdk/thread.h" 39 40 struct spdk_app_opts g_opts = {}; 41 static const char g_app_repeat_get_opts_string[] = "t:"; 42 static int g_repeat_times = 2; 43 static bool g_exit; 44 45 static void 46 app_repeat_usage(void) 47 { 48 printf(" -t <num> number of times to repeat calling spdk_app_start/stop\n"); 49 } 50 51 static int 52 app_repeat_parse_arg(int ch, char *arg) 53 { 54 switch (ch) { 55 case 't': 56 g_repeat_times = spdk_strtol(arg, 0); 57 if (g_repeat_times < 2) { 58 return -EINVAL; 59 } 60 break; 61 default: 62 return -EINVAL; 63 } 64 return 0; 65 } 66 67 static void 68 app_repeat_started(void *arg1) 69 { 70 int index = *(int *)arg1; 71 72 printf("spdk_app_start is called in Round %d.\n", index); 73 } 74 75 static void _app_repeat_shutdown_cb(void) 76 { 77 printf("Shutdown signal received, exit.\n"); 78 g_exit = true; 79 spdk_app_stop(0); 80 } 81 82 static void _app_repeat_usr1_handler(int signal) 83 { 84 printf("USR1 signal received, restart spdk application framework.\n"); 85 spdk_app_stop(0); 86 } 87 88 int 89 main(int argc, char **argv) 90 { 91 int rc; 92 int i; 93 94 spdk_app_opts_init(&g_opts); 95 g_opts.name = "app_repeat"; 96 g_opts.shutdown_cb = _app_repeat_shutdown_cb; 97 g_opts.usr1_handler = _app_repeat_usr1_handler; 98 if ((rc = spdk_app_parse_args(argc, argv, &g_opts, g_app_repeat_get_opts_string, 99 NULL, app_repeat_parse_arg, app_repeat_usage)) != 100 SPDK_APP_PARSE_ARGS_SUCCESS) { 101 return rc; 102 } 103 104 for (i = 0; i < g_repeat_times; i++) { 105 rc = spdk_app_start(&g_opts, app_repeat_started, &i); 106 spdk_app_fini(); 107 108 if (rc) { 109 fprintf(stderr, "Failed to call spdk_app_start in Round %d.\n", i); 110 break; 111 } 112 } 113 114 return rc; 115 } 116