internal void ValidateReply(NtpPacket request)
{
if (Mode != NtpMode.Server)
{
throw new NtpException(this, "This is not a reply SNTP packet.");
}
if (VersionNumber == 0)
{
throw new NtpException(this, "Protocol version of the reply is not specified.");
}
if (Stratum == 0)
{
throw new NtpException(this, String.Format("Received Kiss-o'-Death SNTP packet with code 0x{0:x}.", ReferenceId));
}
if (LeapIndicator == NtpLeapIndicator.AlarmCondition)
{
throw new NtpException(this, "SNTP server has unsynchronized clock.");
}
CheckTimestamps();
if (OriginTimestamp != request.TransmitTimestamp)
{
throw new NtpException(this, "Origin timestamp in reply doesn't match transmit timestamp in request.");
}
}
internal NtpException(NtpPacket packet, String message)
: base(message)
{
Packet = packet;
}