/// <summary>
/// Create a new ethernet 802.3 packet.
/// </summary>
/// <param name="packet">
/// The ethernet packet to parse.
/// </param>
public Ethernet802_3(byte[] packet)
{
// copy out the fields
Array.Copy(packet, 0, m_destinationMACAddress.Address, 0, 6);
Array.Copy(packet, 6, m_sourceMACAddress.Address, 0, 6);
m_networkProtocol = (NetworkLayerProtocol)BitConverter.ToInt16(packet, 12);
if (packet.Length > 14)
{
m_data = new byte[packet.Length - 14];
Array.Copy(packet, 14, m_data, 0, m_data.Length);
}
}
public XsSocket(IpProtocol protocol, NetworkLayerProtocol ipVersion) : this(xsensdeviceapiPINVOKE.new_XsSocket__SWIG_0((int)protocol, (int)ipVersion), true)
{
}
/// <summary>
/// Create a new ARP packet.
/// </summary>
/// <param name="data">
/// The data representing the ARP packet.
/// </param>
public ArpPacket(byte[] data)
{
int position = 0;
m_hardware = (MediaType)IPAddress.NetworkToHostOrder (BitConverter.ToInt16 (data, position));
position += 2;
m_protocol = (NetworkLayerProtocol)BitConverter.ToInt16 (data, position);
position += 2;
int macLength = data[position];
position ++;
int ipLength = data[position];
position++;
m_type = (ArpOpcode)IPAddress.NetworkToHostOrder (BitConverter.ToInt16 (data, position));
position += 2;
// copy out source MAC
byte[] sourceMac = new byte[macLength];
Array.Copy (data, position, sourceMac, 0, macLength);
m_sourceMac = new MACAddress (sourceMac);
position += macLength;
// copy out source IP
byte[] sourceIP = new byte[ipLength];
Array.Copy (data, position, sourceIP, 0, ipLength);
string sIP = string.Empty;
for (int i = 0; i < ipLength; i++)
{
sIP = string.Concat(sIP, sourceIP[i], ".");
}
m_sourceIP = IPAddress.Parse(sIP.Substring (0, sIP.Length - 1));
position += ipLength;
// copy out destination MAC
byte[] destMac = new byte[macLength];
Array.Copy (data, position, destMac, 0, macLength);
m_destMac = new MACAddress (destMac);
position += macLength;
// copy out destination IP
byte[] destIP = new byte[ipLength];
Array.Copy (data, position, destIP, 0, ipLength);
sIP = string.Empty;
for (int i = 0; i < ipLength; i++)
{
sIP = string.Concat(sIP, destIP[i], ".");
}
m_destIP = IPAddress.Parse(sIP.Substring (0, sIP.Length - 1));
position += ipLength;
}
/// <summary>
/// Create a new ethernet 802.3 packet.
/// </summary>
/// <param name="packet">
/// The ethernet packet to parse.
/// </param>
public Ethernet802_3(byte[] packet)
{
// copy out the fields
Array.Copy (packet, 0, m_destinationMACAddress.Address, 0, 6);
Array.Copy (packet, 6, m_sourceMACAddress.Address, 0, 6);
m_networkProtocol = (NetworkLayerProtocol)BitConverter.ToInt16 (packet, 12);
if (packet.Length > 14)
{
m_data = new byte[packet.Length - 14];
Array.Copy (packet, 14, m_data, 0, m_data.Length);
}
}
/// <summary>
/// Create a new ARP packet.
/// </summary>
/// <param name="data">
/// The data representing the ARP packet.
/// </param>
public ArpPacket(byte[] data)
{
int position = 0;
m_hardware = (MediaType)IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, position));
position += 2;
m_protocol = (NetworkLayerProtocol)BitConverter.ToInt16(data, position);
position += 2;
int macLength = data[position];
position++;
int ipLength = data[position];
position++;
m_type = (ArpOpcode)IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, position));
position += 2;
// copy out source MAC
byte[] sourceMac = new byte[macLength];
Array.Copy(data, position, sourceMac, 0, macLength);
m_sourceMac = new MACAddress(sourceMac);
position += macLength;
// copy out source IP
byte[] sourceIP = new byte[ipLength];
Array.Copy(data, position, sourceIP, 0, ipLength);
string sIP = string.Empty;
for (int i = 0; i < ipLength; i++)
{
sIP = string.Concat(sIP, sourceIP[i], ".");
}
m_sourceIP = IPAddress.Parse(sIP.Substring(0, sIP.Length - 1));
position += ipLength;
// copy out destination MAC
byte[] destMac = new byte[macLength];
Array.Copy(data, position, destMac, 0, macLength);
m_destMac = new MACAddress(destMac);
position += macLength;
// copy out destination IP
byte[] destIP = new byte[ipLength];
Array.Copy(data, position, destIP, 0, ipLength);
sIP = string.Empty;
for (int i = 0; i < ipLength; i++)
{
sIP = string.Concat(sIP, destIP[i], ".");
}
m_destIP = IPAddress.Parse(sIP.Substring(0, sIP.Length - 1));
position += ipLength;
}