internal static PacketOrByteArraySegment ParseEncapsulatedBytes(ByteArraySegment Header,
PPPProtocol Protocol)
{
// slice off the payload
var payload = Header.EncapsulatedBytes();
var payloadPacketOrData = new PacketOrByteArraySegment();
switch (Protocol)
{
case PPPProtocol.IPv4:
payloadPacketOrData.ThePacket = new IPv4Packet(payload);
break;
case PPPProtocol.IPv6:
payloadPacketOrData.ThePacket = new IPv6Packet(payload);
break;
default:
throw new System.NotImplementedException("Protocol of " + Protocol + " is not implemented");
}
return(payloadPacketOrData);
}
/// <summary>
/// Construct a new PPPPacket from source and destination mac addresses
/// </summary>
public PPPPacket(PPPoECode Code,
UInt16 SessionId)
{
// allocate memory for this packet
int offset = 0;
int length = PPPFields.HeaderLength;
var headerBytes = new byte[length];
header = new ByteArraySegment(headerBytes, offset, length);
// setup some typical values and default values
this.Protocol = PPPProtocol.Padding;
}
internal static PacketOrByteArraySegment ParseEncapsulatedBytes(ByteArraySegment Header, PosixTimeval Timeval, PPPProtocol Protocol)
{
ByteArraySegment segment = Header.EncapsulatedBytes();
PacketOrByteArraySegment segment2 = new PacketOrByteArraySegment();
PPPProtocol protocol = Protocol;
if (protocol != PPPProtocol.IPv4)
{
if (protocol != PPPProtocol.IPv6)
{
throw new NotImplementedException("Protocol of " + Protocol + " is not implemented");
}
}
else
{
segment2.ThePacket = new IPv4Packet(segment.Bytes, segment.Offset, Timeval);
return(segment2);
}
segment2.ThePacket = new IPv6Packet(segment.Bytes, segment.Offset, Timeval);
return(segment2);
}
