/* $Id$
 * Client fuse interface operation "utime" for libcaptive
 * Copyright (C) 2005 Jan Kratochvil <project-captive@jankratochvil.net>
 * 
 * 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; exactly version 2 of June 1991 is required
 * 
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


#include "config.h"

#include <glib/gmessages.h>
#include <fuse.h>
#include <errno.h>
#include <captive/client-file.h>
#include <sys/stat.h>
#include <captive/macros.h>
#include <time.h>

#include "op_utime.h"	/* self */
#include "main.h"
#include "gnomevfsresult.h"
#include "gnomevfsfileinfo.h"


int op_utime(const char *path,struct utimbuf *buf)
{
CaptiveFileObject *captive_file_object;
GnomeVFSResult errvfsresult;
GnomeVFSFileInfo file_info;

	g_return_val_if_fail(path!=NULL,-EINVAL);
	g_return_val_if_fail(buf!=NULL,-EINVAL);
	g_return_val_if_fail(buf->actime!=0,-EINVAL);
	g_return_val_if_fail(buf->modtime!=0,-EINVAL);

	if (GNOME_VFS_OK!=(errvfsresult=captive_file_new_open(&captive_file_object,capfuse_captive_vfs_object,path,
			GNOME_VFS_OPEN_WRITE|GNOME_VFS_OPEN_RANDOM)))
		return -gnomevfsresult_to_errno(errvfsresult);

	file_info.valid_fields=0
			|GNOME_VFS_FILE_INFO_FIELDS_ATIME
			|GNOME_VFS_FILE_INFO_FIELDS_MTIME
			|GNOME_VFS_FILE_INFO_FIELDS_CTIME;
	file_info.atime=buf->actime;
	file_info.mtime=buf->modtime;
	file_info.ctime=time(NULL);
	/* Do not:  * It is probably not GnomeVFS compliant but still libcaptive compatible.
	 *          * GnomeVFS looks as assuming all the three fields set.
	 *          * GnomeVFS also does not check 'valid_fields' at all.
	 *         file_info.ctime=0;	* Just sanity for sure. *
	 *         file_info.valid_fields&=~GNOME_VFS_FILE_INFO_FIELDS_CTIME;
	 * as utime() syscall should really update 'ctime' to the current time.
	 */
	errvfsresult=captive_file_file_info_set(captive_file_object,&file_info,GNOME_VFS_SET_FILE_INFO_TIME);

	g_object_unref(captive_file_object);
	if (GNOME_VFS_OK!=errvfsresult)
		return -gnomevfsresult_to_errno(errvfsresult);

	return 0;
}