Spdk/app/iscsi_tgt/iscsi_tgt.c

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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (C) 2016 Intel Corporation.
* All rights reserved.
*/
#include "spdk/stdinc.h"
#include "spdk/env.h"
#include "spdk/event.h"
#include "iscsi/iscsi.h"
#include "spdk/log.h"
static int g_daemon_mode = 0;
static void
iscsi_usage(void)
{
printf(" -b run iscsi target background, the default is foreground\n");
}
static void
spdk_startup(void *arg1)
{
if (getenv("MEMZONE_DUMP") != NULL) {
spdk_memzone_dump(stdout);
fflush(stdout);
}
}
static int
iscsi_parse_arg(int ch, char *arg)
{
switch (ch) {
case 'b':
g_daemon_mode = 1;
break;
default:
return -EINVAL;
}
return 0;
}
int
main(int argc, char **argv)
{
int rc;
struct spdk_app_opts opts = {};
spdk_app_opts_init(&opts, sizeof(opts));
opts.name = "iscsi";
if ((rc = spdk_app_parse_args(argc, argv, &opts, "b", NULL,
iscsi_parse_arg, iscsi_usage)) !=
SPDK_APP_PARSE_ARGS_SUCCESS) {
exit(rc);
}
if (g_daemon_mode) {
if (daemon(1, 0) < 0) {
SPDK_ERRLOG("Start iscsi target daemon failed.\n");
exit(EXIT_FAILURE);
}
}
opts.shutdown_cb = NULL;
/* Blocks until the application is exiting */
rc = spdk_app_start(&opts, spdk_startup, NULL);
if (rc) {
SPDK_ERRLOG("Start iscsi target daemon: spdk_app_start() retn non-zero\n");
}
spdk_app_fini();
return rc;
}