/// <summary>
/// Returns a byte array representing the current <see cref="SftpFileAttributes"/>.
/// </summary>
/// <returns>
/// A byte array representing the current <see cref="SftpFileAttributes"/>.
/// </returns>
public byte[] GetBytes()
{
var stream = new SshDataStream(4);
uint flag = 0;
if (IsSizeChanged && IsRegularFile)
{
flag |= 0x00000001;
}
if (IsUserIdChanged || IsGroupIdChanged)
{
flag |= 0x00000002;
}
if (IsPermissionsChanged)
{
flag |= 0x00000004;
}
if (IsLastAccessTimeChanged || IsLastWriteTimeChanged)
{
flag |= 0x00000008;
}
if (IsExtensionsChanged)
{
flag |= 0x80000000;
}
stream.Write(flag);
if (IsSizeChanged && IsRegularFile)
{
stream.Write((ulong)Size);
}
if (IsUserIdChanged || IsGroupIdChanged)
{
stream.Write((uint)UserId);
stream.Write((uint)GroupId);
}
if (IsPermissionsChanged)
{
stream.Write(Permissions);
}
if (IsLastAccessTimeChanged || IsLastWriteTimeChanged)
{
var time = (uint)(LastAccessTimeUtc.ToFileTimeUtc() / 10000000 - 11644473600);
stream.Write(time);
time = (uint)(LastWriteTimeUtc.ToFileTimeUtc() / 10000000 - 11644473600);
stream.Write(time);
}
if (IsExtensionsChanged)
{
foreach (var item in Extensions)
{
// TODO: we write as ASCII but read as UTF8 !!!
stream.Write(item.Key, SshData.Ascii);
stream.Write(item.Value, SshData.Ascii);
}
}
return(stream.ToArray());
}
