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/*
* vmfs-tools - Tools to access VMFS filesystems
* Copyright (C) 2009 Christophe Fillot <cf@utc.fr>
* Copyright (C) 2009 Mike Hommey <mh@glandium.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* VMFS host.
*/
#define _GNU_SOURCE
#include <string.h>
#include <stdlib.h>
#include "vmfs.h"
static uuid_t host_uuid;
static struct timeval host_tv_start;
/* Initialize host info (UUID,uptime,...) */
int vmfs_host_init(void)
{
static bool initialized = 0;
if (! initialized) {
uuid_generate_time(host_uuid);
gettimeofday(&host_tv_start,NULL);
initialized = 1;
}
return(0);
}
/* Show host info */
void vmfs_host_show_info(void)
{
char uuid_str[M_UUID_BUFLEN];
printf("Host UUID : %s\n",m_uuid_to_str(host_uuid,uuid_str));
printf("Host Uptime : %"PRIu64" usecs\n",vmfs_host_get_uptime());
}
/* Get host uptime (in usecs) */
uint64_t vmfs_host_get_uptime(void)
{
struct timeval cur_time,delta;
uint64_t uptime;
gettimeofday(&cur_time,NULL);
timersub(&cur_time,&host_tv_start,&delta);
uptime = ((uint64_t)delta.tv_sec * 1000000) + delta.tv_usec;
return(uptime);
}
/* Get host UUID */
void vmfs_host_get_uuid(uuid_t dst)
{
uuid_copy(dst,host_uuid);
}
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