iPXE
ntpmgmt.c
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00001 /*
00002  * Copyright (C) 2016 Michael Brown <mbrown@fensystems.co.uk>.
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License as
00006  * published by the Free Software Foundation; either version 2 of the
00007  * License, or any later version.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software
00016  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00017  * 02110-1301, USA.
00018  *
00019  * You can also choose to distribute this program under the terms of
00020  * the Unmodified Binary Distribution Licence (as given in the file
00021  * COPYING.UBDL), provided that you have satisfied its requirements.
00022  */
00023 
00024 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
00025 
00026 #include <stdint.h>
00027 #include <stdio.h>
00028 #include <string.h>
00029 #include <ipxe/ntp.h>
00030 #include <ipxe/monojob.h>
00031 #include <usr/ntpmgmt.h>
00032 
00033 /** @file
00034  *
00035  * NTP management
00036  *
00037  */
00038 
00039 /**
00040  * Get time and date via NTP
00041  *
00042  * @v hostname          Hostname
00043  * @ret rc              Return status code
00044  */
00045 int ntp ( const char *hostname ) {
00046         int rc;
00047 
00048         /* Start NTP client */
00049         if ( ( rc = start_ntp ( &monojob, hostname ) ) != 0 )
00050                 return rc;
00051 
00052         /* Wait for NTP to complete */
00053         if ( ( rc = monojob_wait ( NULL, 0 ) ) != 0 )
00054                 return rc;
00055 
00056         return 0;
00057 }