26979c50c7
Change-Id: Icae46bb96502c7edf3a453e0fff1d8560241c5ab Signed-off-by: Chunyang Hui <chunyang.hui@intel.com> Reviewed-on: https://review.gerrithub.io/c/441277 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
130 lines
3.4 KiB
C
130 lines
3.4 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/config.h"
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#include "spdk/env.h"
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#include "spdk/event.h"
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#include "spdk/vhost.h"
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/* TODO: this should be handled by configure */
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#if defined(SPDK_CONFIG_VHOST) && !defined(__linux__)
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#undef SPDK_CONFIG_VHOST
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#endif
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#ifdef SPDK_CONFIG_VHOST
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#define SPDK_VHOST_OPTS "S:"
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#else
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#define SPDK_VHOST_OPTS
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#endif
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static const char *g_pid_path = NULL;
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static const char g_spdk_tgt_get_opts_string[] = "f:" SPDK_VHOST_OPTS;
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static void
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spdk_tgt_usage(void)
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{
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printf(" -f <file> pidfile save pid to file under given path\n");
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#ifdef SPDK_CONFIG_VHOST
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printf(" -S <path> directory where to create vhost sockets (default: pwd)\n");
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#endif
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}
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static void
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spdk_tgt_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 int
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spdk_tgt_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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#ifdef SPDK_CONFIG_VHOST
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case 'S':
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spdk_vhost_set_socket_path(arg);
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break;
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#endif
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default:
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return -EINVAL;
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}
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return 0;
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}
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static void
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spdk_tgt_started(void *arg1, void *arg2)
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{
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if (g_pid_path) {
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spdk_tgt_save_pid(g_pid_path);
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}
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if (getenv("MEMZONE_DUMP") != NULL) {
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spdk_memzone_dump(stdout);
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fflush(stdout);
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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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spdk_app_opts_init(&opts);
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opts.name = "spdk_tgt";
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if ((rc = spdk_app_parse_args(argc, argv, &opts, g_spdk_tgt_get_opts_string,
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NULL, spdk_tgt_parse_arg, spdk_tgt_usage)) !=
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SPDK_APP_PARSE_ARGS_SUCCESS) {
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return rc;
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}
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rc = spdk_app_start(&opts, spdk_tgt_started, NULL, NULL);
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spdk_app_fini();
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return rc;
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}
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