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[cmdline] Add "ntp" command
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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mcb30 committed Jun 13, 2016
1 parent fce6117 commit 3c61e11
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Showing 5 changed files with 156 additions and 0 deletions.
3 changes: 3 additions & 0 deletions src/config/config.c
Expand Up @@ -278,6 +278,9 @@ REQUIRE_OBJECT ( ipstat_cmd );
#ifdef PROFSTAT_CMD
REQUIRE_OBJECT ( profstat_cmd );
#endif
#ifdef NTP_CMD
REQUIRE_OBJECT ( ntp_cmd );
#endif

/*
* Drag in miscellaneous objects
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1 change: 1 addition & 0 deletions src/config/general.h
Expand Up @@ -147,6 +147,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
//#define CONSOLE_CMD /* Console command */
//#define IPSTAT_CMD /* IP statistics commands */
//#define PROFSTAT_CMD /* Profiling commands */
//#define NTP_CMD /* NTP commands */

/*
* ROM-specific options
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81 changes: 81 additions & 0 deletions src/hci/commands/ntp_cmd.c
@@ -0,0 +1,81 @@
/*
* Copyright (C) 2016 Michael Brown <mbrown@fensystems.co.uk>.
*
* 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 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. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* You can also choose to distribute this program under the terms of
* the Unmodified Binary Distribution Licence (as given in the file
* COPYING.UBDL), provided that you have satisfied its requirements.
*/

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );

#include <stdio.h>
#include <string.h>
#include <getopt.h>
#include <ipxe/command.h>
#include <ipxe/parseopt.h>
#include <usr/ntpmgmt.h>

/** @file
*
* NTP commands
*
*/

/** "ntp" options */
struct ntp_options {};

/** "ntp" option list */
static struct option_descriptor ntp_opts[] = {};

/** "ntp" command descriptor */
static struct command_descriptor ntp_cmd =
COMMAND_DESC ( struct ntp_options, ntp_opts, 1, 1, "<server>" );

/**
* "ntp" command
*
* @v argc Argument count
* @v argv Argument list
* @ret rc Return status code
*/
static int ntp_exec ( int argc, char **argv ) {
struct ntp_options opts;
const char *hostname;
int rc;

/* Parse options */
if ( ( rc = parse_options ( argc, argv, &ntp_cmd, &opts ) ) != 0 )
return rc;

/* Parse hostname */
hostname = argv[optind];

/* Get time and date via NTP */
if ( ( rc = ntp ( hostname ) ) != 0 ) {
printf ( "Could not get time and date: %s\n", strerror ( rc ) );
return rc;
}

return 0;
}

/** NTP command */
struct command ntp_command __command = {
.name = "ntp",
.exec = ntp_exec,
};
14 changes: 14 additions & 0 deletions src/include/usr/ntpmgmt.h
@@ -0,0 +1,14 @@
#ifndef _USR_NTPMGMT_H
#define _USR_NTPMGMT_H

/** @file
*
* NTP management
*
*/

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );

extern int ntp ( const char *hostname );

#endif /* _USR_NTPMGMT_H */
57 changes: 57 additions & 0 deletions src/usr/ntpmgmt.c
@@ -0,0 +1,57 @@
/*
* Copyright (C) 2016 Michael Brown <mbrown@fensystems.co.uk>.
*
* 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 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. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* You can also choose to distribute this program under the terms of
* the Unmodified Binary Distribution Licence (as given in the file
* COPYING.UBDL), provided that you have satisfied its requirements.
*/

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );

#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <ipxe/ntp.h>
#include <ipxe/monojob.h>
#include <usr/ntpmgmt.h>

/** @file
*
* NTP management
*
*/

/**
* Get time and date via NTP
*
* @v hostname Hostname
* @ret rc Return status code
*/
int ntp ( const char *hostname ) {
int rc;

/* Start NTP client */
if ( ( rc = start_ntp ( &monojob, hostname ) ) != 0 )
return rc;

/* Wait for NTP to complete */
if ( ( rc = monojob_wait ( NULL, 0 ) ) != 0 )
return rc;

return 0;
}

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