3fb4bc717b
We already have a vhost subsystem and have to do its fini anyway, so let's remove application fini. Technically, any SPDK app can use vhost library and create vhost devices, so we need to delete them on shutdown in all cases - in module fini. Change-Id: I013b45b4e73fd19288b9c10bc995dc24894ecf35 Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com> Reviewed-on: https://review.gerrithub.io/396573 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "spdk/stdinc.h"
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#include "spdk/log.h"
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#include "spdk/conf.h"
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#include "spdk/event.h"
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#include "spdk/vhost.h"
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#define SPDK_VHOST_DEFAULT_CONFIG "/usr/local/etc/spdk/vhost.conf"
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#define SPDK_VHOST_DEFAULT_ENABLE_COREDUMP true
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#define SPDK_VHOST_DEFAULT_MEM_SIZE 1024
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static const char *g_socket_path = NULL;
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static const char *g_pid_path = NULL;
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static void
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vhost_app_opts_init(struct spdk_app_opts *opts)
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{
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spdk_app_opts_init(opts);
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opts->name = "vhost";
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opts->config_file = SPDK_VHOST_DEFAULT_CONFIG;
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opts->mem_size = SPDK_VHOST_DEFAULT_MEM_SIZE;
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}
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static void
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vhost_usage(void)
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{
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printf(" -f pidfile save pid to file under given path\n");
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printf(" -S dir directory where to create vhost sockets (default: pwd)\n");
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}
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static void
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save_pid(const char *pid_path)
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{
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FILE *pid_file;
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pid_file = fopen(pid_path, "w");
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if (pid_file == NULL) {
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fprintf(stderr, "Couldn't create pid file '%s': %s\n", pid_path, strerror(errno));
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exit(EXIT_FAILURE);
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}
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fprintf(pid_file, "%d\n", getpid());
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fclose(pid_file);
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}
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static void
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vhost_parse_arg(int ch, char *arg)
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{
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switch (ch) {
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case 'f':
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g_pid_path = arg;
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break;
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case 'S':
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g_socket_path = arg;
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break;
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}
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}
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int
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main(int argc, char *argv[])
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{
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struct spdk_app_opts opts = {};
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int rc;
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vhost_app_opts_init(&opts);
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spdk_app_parse_args(argc, argv, &opts, "f:S:", vhost_parse_arg, vhost_usage);
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if (g_pid_path) {
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save_pid(g_pid_path);
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}
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/* Blocks until the application is exiting */
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rc = spdk_app_start(&opts, spdk_vhost_startup, (void *)g_socket_path, NULL);
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spdk_app_fini();
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return rc;
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}
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