public ICMPPacket(uint aSrcIP, uint aDestIP, ICMPType aType, byte[] aData, byte aCode)
{
mICMPHead = base.Initialize(
aData, //Data in ICMP body
8, //Size of ICMP header
0x01, //ICMP
aSrcIP,
aDestIP
);
this.Type = aType;
this.Code = aCode;
}
public ICMPPacket(uint aSrcIP, uint aDestIP, ICMPType aType, byte[] aData, byte aCode)
{
mICMPHead = base.Initialize(
aData, //Data in ICMP body
8, //Size of ICMP header
0x01, //ICMP
aSrcIP,
aDestIP
);
this.Type = aType;
this.Code = aCode;
}
public ICMPPacket(int startIndex, byte[] bytes)
: base(startIndex, bytes)
{
_type = (ICMPType)bytes[startIndex];
_code = bytes[startIndex + 1];
_checksum = (ushort)IPAddress.HostToNetworkOrder(BitConverter.ToInt16(bytes, startIndex + 2));
bytes[startIndex + 2] = 0;
bytes[startIndex + 3] = 0;
_identifier = (ushort)IPAddress.HostToNetworkOrder(BitConverter.ToInt16(bytes, startIndex + 4));
_sequenceNumber = (ushort)IPAddress.HostToNetworkOrder(BitConverter.ToInt16(bytes, startIndex + 6));
int dataStartIndex = startIndex + 8;
int dataLength = bytes.Length - dataStartIndex;
_data = new byte[dataLength];
for (int i = dataStartIndex; i < bytes.Length; i++)
{
_data[i - dataStartIndex] = bytes[i];
}
}
public ICMPMessage(ICMPType type, IPAddress destination)
{
this.Type = type;
this.Destination = destination;
}