/// <summary>
/// Processes received UDP packet.
/// </summary>
/// <param name="e">UDP packet.</param>
private void ProcessUdpPacket(UDP_e_PacketReceived e)
{
try
{
if (m_IsDisposed)
{
return;
}
DnsServerResponse serverResponse = ParseQuery(e.Buffer);
DNS_ClientTransaction transaction = null;
// Pass response to transaction.
if (m_pTransactions.TryGetValue(serverResponse.ID, out transaction))
{
if (transaction.State == DNS_ClientTransactionState.Active)
{
// Cache query.
if (m_UseDnsCache && serverResponse.ResponseCode == DNS_RCode.NO_ERROR)
{
DnsCache.AddToCache(transaction.QName, (int)transaction.QType, serverResponse);
}
transaction.ProcessResponse(serverResponse);
}
}
// No such transaction or transaction has timed out before answer received.
//else{
//}
}
catch
{
// We don't care about receiving errors here, skip them.
}
}
/// <summary>
/// This method is called when flow gets new UDP packet.
/// </summary>
/// <param name="e">Event data..</param>
/// <exception cref="ArgumentNullException">Is raised when <b>e</b> is null reference.</exception>
internal void OnUdpPacketReceived(UDP_e_PacketReceived e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
m_LastActivity = DateTime.Now;
byte[] data = new byte[e.Count];
Array.Copy(e.Buffer, data, e.Count);
m_pStack.TransportLayer.OnMessageReceived(this, data);
}