forked from altcloud/fence-virt
119 lines
2.8 KiB
C
119 lines
2.8 KiB
C
/*
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Copyright Red Hat, Inc. 2006
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
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MA 02139, USA.
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*/
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/*
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* @file fence_virtd.c: Implementation of server daemon for Xen virtual
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* machine fencing. This uses SA AIS CKPT b.1.0 checkpointing API to
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* store virtual machine states.
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*
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* Author: Lon Hohberger <lhh at redhat.com>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <sys/ioctl.h>
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#include <arpa/inet.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <sys/time.h>
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#include <errno.h>
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#include <pthread.h>
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#include <libgen.h>
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/* Local includes */
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#include "xvm.h"
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#include "options.h"
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#include "debug.h"
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#include <client.h>
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int
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main(int argc, char **argv)
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{
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fence_virt_args_t args;
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char *my_options = "di:a:p:r:C:c:k:M:H:uo:t:?hV";
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args_init(&args);
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if (!strcmp(basename(argv[0]), "fence_xvm")) {
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args.mode = MODE_MULTICAST;
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} else {
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args.mode = MODE_SERIAL;
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}
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if (argc == 1) {
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args_get_stdin(my_options, &args);
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} else {
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args_get_getopt(argc, argv, my_options, &args);
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}
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if (args.flags & F_HELP) {
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args_usage(argv[0], my_options, 0);
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printf("With no command line argument, arguments are "
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"read from standard input.\n");
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printf("Arguments read from standard input take "
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"the form of:\n\n");
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printf(" arg1=value1\n");
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printf(" arg2=value2\n\n");
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args_usage(argv[0], my_options, 1);
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exit(0);
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}
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if (args.flags & F_VERSION) {
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printf("%s %s\n", basename(argv[0]), XVM_VERSION);
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#ifdef FENCE_RELEASE_NAME
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printf("fence release %s\n", FENCE_RELEASE_NAME);
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#endif
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exit(0);
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}
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args_finalize(&args);
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dset(args.debug);
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if (args.debug > 0)
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args_print(&args);
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/* Additional validation here */
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if (!args.domain) {
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printf("No domain specified!\n");
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args.flags |= F_ERR;
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}
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if (args.flags & F_ERR) {
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args_usage(argv[0], my_options, (argc == 1));
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exit(1);
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}
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switch(args.mode) {
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case MODE_MULTICAST:
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return mcast_fence_virt(&args);
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case MODE_SERIAL:
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return serial_fence_virt(&args);
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default:
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break;
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}
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return 1;
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}
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