b9be940ae9
Modifies behavior of spdk_app_start() and spdk_app_parse_args() such that they return on failure instead of terminating with exit(). Change-Id: I82566417f04e1ae2e3ca60a00c72e664db26c9e4 Signed-off-by: Lance Hartmann <lance.hartmann@oracle.com> Reviewed-on: https://review.gerrithub.io/401243 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
/*-
|
|
* 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/log.h"
|
|
#include "spdk/conf.h"
|
|
#include "spdk/event.h"
|
|
|
|
#include "spdk/vhost.h"
|
|
|
|
|
|
#define SPDK_VHOST_DEFAULT_CONFIG "/usr/local/etc/spdk/vhost.conf"
|
|
#define SPDK_VHOST_DEFAULT_ENABLE_COREDUMP true
|
|
#define SPDK_VHOST_DEFAULT_MEM_SIZE 1024
|
|
|
|
static const char *g_socket_path = NULL;
|
|
static const char *g_pid_path = NULL;
|
|
|
|
static void
|
|
vhost_app_opts_init(struct spdk_app_opts *opts)
|
|
{
|
|
spdk_app_opts_init(opts);
|
|
opts->name = "vhost";
|
|
opts->config_file = SPDK_VHOST_DEFAULT_CONFIG;
|
|
opts->mem_size = SPDK_VHOST_DEFAULT_MEM_SIZE;
|
|
}
|
|
|
|
static void
|
|
vhost_usage(void)
|
|
{
|
|
printf(" -f pidfile save pid to file under given path\n");
|
|
printf(" -S dir directory where to create vhost sockets (default: pwd)\n");
|
|
}
|
|
|
|
static void
|
|
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 void
|
|
vhost_parse_arg(int ch, char *arg)
|
|
{
|
|
switch (ch) {
|
|
case 'f':
|
|
g_pid_path = arg;
|
|
break;
|
|
case 'S':
|
|
g_socket_path = arg;
|
|
break;
|
|
}
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct spdk_app_opts opts = {};
|
|
int rc;
|
|
|
|
vhost_app_opts_init(&opts);
|
|
|
|
if ((rc = spdk_app_parse_args(argc, argv, &opts, "f:S:",
|
|
vhost_parse_arg, vhost_usage)) !=
|
|
SPDK_APP_PARSE_ARGS_SUCCESS) {
|
|
exit(rc);
|
|
}
|
|
|
|
if (g_pid_path) {
|
|
save_pid(g_pid_path);
|
|
}
|
|
|
|
/* Blocks until the application is exiting */
|
|
rc = spdk_app_start(&opts, spdk_vhost_startup, (void *)g_socket_path, NULL);
|
|
|
|
spdk_app_fini();
|
|
|
|
return rc;
|
|
}
|