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/*-
* 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/env.h"
#include "spdk/event.h"
#include "iscsi/iscsi.h"
#include "spdk/log.h"
#include "spdk/net.h"
static int g_daemon_mode = 0;
static void
spdk_sigusr1(int signo __attribute__((__unused__)))
{
char *config_str = NULL;
if (spdk_app_get_running_config(&config_str, "iscsi.conf") < 0) {
fprintf(stderr, "Error getting config\n");
} else {
fprintf(stdout, "============================\n");
fprintf(stdout, " iSCSI target running config\n");
fprintf(stdout, "=============================\n");
fprintf(stdout, "%s", config_str);
}
free(config_str);
}
static void
iscsi_usage(void)
{
printf(" -b run iscsi target background, the default is foreground\n");
}
static void
spdk_startup(void *arg1, void *arg2)
{
if (getenv("MEMZONE_DUMP") != NULL) {
spdk_memzone_dump(stdout);
fflush(stdout);
}
}
static void
iscsi_parse_arg(int ch, char *arg)
{
switch (ch) {
case 'b':
g_daemon_mode = 1;
break;
default:
assert(false);
break;
}
}
int
main(int argc, char **argv)
{
int rc;
struct spdk_app_opts opts = {};
spdk_app_opts_init(&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 faild.\n");
exit(EXIT_FAILURE);
}
}
opts.shutdown_cb = NULL;
opts.usr1_handler = spdk_sigusr1;
/* Blocks until the application is exiting */
rc = spdk_app_start(&opts, spdk_startup, NULL, NULL);
if (rc) {
SPDK_ERRLOG("Start iscsi target daemon: spdk_app_start() retn non-zero\n");
}
spdk_app_fini();
return rc;
}
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