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 * The contents of this file are subject to the Eclipse Public
 * License Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/cpl-v10.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
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 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
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 * in which case the provisions of the GPL or the LGPL are applicable instead
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/**
 * $Id: $
 */

package jnr.posix;

import jnr.ffi.NativeType;
import jnr.ffi.StructLayout;

/**
 * This corresponds with struct stat64x on AIX
 */
public final class AixFileStat extends BaseFileStat implements NanosecondFileStat {
    private static final class Layout extends StructLayout {

        private Layout(jnr.ffi.Runtime runtime) {
            super(runtime);
        }

        public final Unsigned64 st_dev = new Unsigned64();
        public final Signed64  st_ino = new Signed64();
        public final Unsigned32  st_mode = new Unsigned32();
        public final Signed16  st_nlink = new Signed16();
        public final Unsigned16 st_flag = new Unsigned16();
        public final Unsigned32 st_uid = new Unsigned32();
        public final Unsigned32 st_gid = new Unsigned32();
        public final Unsigned64  st_rdev = new Unsigned64();
        public final Signed64  st_size = new Signed64();
        public final Signed64 st_atime = new Signed64();
        public final Signed32 st_atime_n = new Signed32();
        public final Signed32 st_pad1 = new Signed32();

        public final Signed64 st_mtime = new Signed64();
        public final Signed32 st_mtime_n = new Signed32();
        public final Signed32 st_pad2 = new Signed32();

        public final Signed64 st_ctime = new Signed64();
        public final Signed32 st_ctime_n = new Signed32();
        public final Signed32 st_pad3 = new Signed32();

        public final Unsigned64	st_blksize = new Unsigned64();
        public final Unsigned64	st_blocks = new Unsigned64();
        public final Signed32 st_vfstype = new Signed32();
        
        public final Unsigned32 st_vfs = new Unsigned32();
        public final Unsigned32 st_type = new Unsigned32();
        public final Unsigned32 st_gen = new Unsigned32();
        public final Padding st_reserved = new Padding(NativeType.UINT, 11);
        /* total size should be 176 bytes */
    }
    private static final Layout layout = new Layout(jnr.ffi.Runtime.getSystemRuntime());

    public AixFileStat(NativePOSIX posix) {
        super(posix, layout);
    }

    public long atime() {
        return layout.st_atime.get(memory);
    }

    public long blocks() {
        return layout.st_blocks.get(memory);
    }

    public long blockSize() {
        return layout.st_blksize.get(memory);
    }

    public long ctime() {
        return layout.st_ctime.get(memory);
    }

    public long dev() {
        return layout.st_dev.get(memory);
    }

    public int gid() {
        return (int) layout.st_gid.get(memory);
    }

    public long ino() {
        return layout.st_ino.get(memory);
    }

    public int mode() {
        return (int) layout.st_mode.get(memory) & 0xffff;
    }

    public long mtime() {
        return layout.st_mtime.get(memory);
    }

    public int nlink() {
        return (int) layout.st_nlink.get(memory);
    }

    public long rdev() {
        return layout.st_rdev.get(memory);
    }

    public long st_size() {
        return layout.st_size.get(memory);
    }

    public int uid() {
        return (int) layout.st_uid.get(memory);
    }

    @Override
    public long aTimeNanoSecs() {
        return layout.st_atime_n.get(memory);
    }

    @Override
    public long cTimeNanoSecs() {
        return layout.st_ctime_n.get(memory);
    }

    @Override
    public long mTimeNanoSecs() {
        return layout.st_mtime_n.get(memory);
    }
}