public override int GetHashCode()
{
int hash = 1;
if (Id.Length != 0)
{
hash ^= Id.GetHashCode();
}
if (Login.Length != 0)
{
hash ^= Login.GetHashCode();
}
if (SourceIP.Length != 0)
{
hash ^= SourceIP.GetHashCode();
}
if (logonDate_ != null)
{
hash ^= LogonDate.GetHashCode();
}
if (IsSuccesful != false)
{
hash ^= IsSuccesful.GetHashCode();
}
if (_unknownFields != null)
{
hash ^= _unknownFields.GetHashCode();
}
return(hash);
}
public override string ToString()
{
string p_SourceIP = SourceIP.ToString();
string p_DestinationIP = DestinationIP.ToString();
string Data = Regex.Replace(Encoding.ASCII.GetString(PacketDataGet()), @"[^a-zA-Z_0-9\.\@\- ]", "");
return("UDP " + p_SourceIP + ":" + UDP_SourcePort + " --> " + p_DestinationIP + " : " + UDP_DestinationPort + "-->" + Data);
}
// adaptation from http://www.netfor2.com/udpsum.htm
private ushort GetUDPChecksum()
{
UInt32 sum = 0;
for (uint i = this.start; i < this.start + 6; i += 2)
{
sum += (UInt32)(data->m_IBuffer[i] << 8) | data->m_IBuffer[i + 1];
}
for (uint i = this.start + 8; i < TotalLength + base.LayerStart() - 1; i += 2)
{
sum += (UInt32)(data->m_IBuffer[i] << 8) | data->m_IBuffer[i + 1];
}
if (((TotalLength + base.LayerStart()) % 2) == 1)
{
sum += (UInt32)(data->m_IBuffer[TotalLength + base.LayerStart() - 1] << 8);
}
// src addr
byte[] srcB = SourceIP.GetAddressBytes();
for (int i = 0; i < 4; i += 2)
{
sum += (UInt32)(((srcB[i] << 8) & 0xFF00) | (srcB[i + 1] & 0xFF));
}
// dst addr
byte[] destB = DestIP.GetAddressBytes();
for (int i = 0; i < 4; i += 2)
{
sum += (UInt32)(((destB[i] << 8) & 0xFF00) | (destB[i + 1] & 0xFF));
}
// proto
sum += 0x00011;
// length
sum += ((UInt16)(TotalLength - (base.LayerLength())));
// 1's compliment
while ((sum >> 16) != 0)
{
sum = ((sum & 0xFFFF) + (sum >> 16));
}
sum = ~sum;
return((ushort)sum);
}
public byte[] ToBytes()
{
Checksum = 0;
byte[] header = new byte[IHL * 4];
header[0] = (byte)((Version << 4) | IHL);
header[1] = (byte)((DSCP << 2) | ECN);
header[2] = (byte)(TotalLength >> 8);
header[3] = (byte)(TotalLength & 0xFF);
header[4] = (byte)(Id >> 8);
header[5] = (byte)(Id & 0xFF);
header[6] = (byte)((Flags << 5) | (FragmentOffset >> 8));
header[7] = (byte)(FragmentOffset & 0xFF);
header[8] = (byte)TTL;
header[9] = (byte)Protocol;
header[10] = (byte)(Checksum >> 8);
header[11] = (byte)(Checksum & 0xFF);
int[] ip = SourceIP.Split('.').Select(int.Parse).ToArray();
header[12] = (byte)ip[0];
header[13] = (byte)ip[1];
header[14] = (byte)ip[2];
header[15] = (byte)ip[3];
ip = DestIP.Split('.').Select(int.Parse).ToArray();
header[16] = (byte)ip[0];
header[17] = (byte)ip[1];
header[18] = (byte)ip[2];
header[19] = (byte)ip[3];
long sum = 0;
for (int i = 0; i < IHL * 4; i += 2)
{
sum += ((header[i] << 8) & 0xFF00) + (header[i + 1] & 0xFF);
}
while ((sum >> 16) != 0)
{
sum = (sum & 0xFFFF) + (sum >> 16);
}
Checksum = (ushort)(~sum);
header[10] = (byte)(Checksum >> 8);
header[11] = (byte)(Checksum & 0xFF);
return(header);
}
public void ToBinary(BinaryWriter writer)
{
SourceIP.WriteBinary(writer);
DestinationIP.WriteBinary(writer);
writer.Write(Timestamp.Ticks);
}
