/// <summary>
/// Checks whether the passed packet is a duplicate.
/// A packet is duplicate if another packet with the same identifier
/// has been sent from the same host in the last time.
/// @param packet packet in question
/// @param address client address
/// @return true if it is duplicate
/// </summary>
protected bool IsPacketDuplicate(RadiusPacket packet, IPEndPoint address)
{
//long now = System.currentTimeMillis();
DateTime now = DateTime.Now;
DateTime intervalStart = now - (new TimeSpan(0, 0, 0, 0, DuplicateInterval));
byte[] authenticator = packet.Authenticator;
lock (_receivedPackets)
{
for (int i = _receivedPackets.Count - 1; i >= 0; i--)
{
ReceivedPacket p = _receivedPackets[i];
if (p.ReceiveTime < intervalStart)
{
_receivedPackets.RemoveAt(i);
}
else
{
if (p.Address.Equals(address) && p.PacketIdentifier == packet.Identifier)
{
return(authenticator == null || p.Authenticator == null ||
Equals(p.Authenticator, authenticator));
}
}
}
}
// add packet to receive list
var rp = new ReceivedPacket
{
Address = address,
PacketIdentifier = packet.Identifier,
ReceiveTime = now,
Authenticator = authenticator
};
_receivedPackets.Add(rp);
return(false);
}
/// <summary>
/// Checks whether the passed packet is a duplicate.
/// A packet is duplicate if another packet with the same identifier
/// has been sent from the same host in the last time.
/// @param packet packet in question
/// @param address client address
/// @return true if it is duplicate
/// </summary>
protected bool IsPacketDuplicate(RadiusPacket packet, IPEndPoint address)
{
//long now = System.currentTimeMillis();
DateTime now = DateTime.Now;
DateTime intervalStart = now - (new TimeSpan(0, 0, 0, 0, DuplicateInterval));
byte[] authenticator = packet.Authenticator;
lock (_receivedPackets)
{
for (int i = _receivedPackets.Count - 1; i >= 0; i--)
{
ReceivedPacket p = _receivedPackets[i];
if (p.ReceiveTime < intervalStart)
{
_receivedPackets.RemoveAt(i);
}
else
{
if (p.Address.Equals(address) && p.PacketIdentifier == packet.Identifier)
{
return authenticator == null || p.Authenticator == null ||
Equals(p.Authenticator, authenticator);
}
}
}
}
// add packet to receive list
var rp = new ReceivedPacket
{
Address = address,
PacketIdentifier = packet.Identifier,
ReceiveTime = now,
Authenticator = authenticator
};
_receivedPackets.Add(rp);
return false;
}
