Method append

extras/packetforge/ProtocolHeader.py:310–354

(self, big, phf)

        return big

    def append(self, big, phf):
        bigVal = big["bigVal"]
        bigMsk = big["bigMsk"]

        if phf.Field.IsReserved:
            bigVal <<= phf.Size
            bigMsk <<= phf.Size
            big.update(bigVal=bigVal, bigMsk=bigMsk)
            return big, phf.Size

        size = phf.Size

        if (
            phf.Field.Format == InputFormat.u8
            or phf.Field.Format == InputFormat.u16
            or phf.Field.Format == InputFormat.u32
        ):
            bigVal = self.appendNum(bigVal, phf.Value, size)
            bigMsk = self.appendNum(bigMsk, phf.Mask, size)

        elif phf.Field.Format == InputFormat.u64:
            bigVal = self.appendUInt64(bigVal, phf.Value, size)
            bigMsk = self.appendUInt64(bigMsk, phf.Mask, size)

        elif phf.Field.Format == InputFormat.ipv4:
            bigVal = self.appendIPv4(bigVal, phf.Value)
            bigMsk = self.appendIPv4(bigMsk, phf.Mask)

        elif phf.Field.Format == InputFormat.ipv6:
            bigVal = self.appendIPv6(bigVal, phf.Value)
            bigMsk = self.appendIPv6(bigMsk, phf.Mask)

        elif phf.Field.Format == InputFormat.mac:
            bigVal = self.appendMAC(bigVal, phf.Value)
            bigMsk = self.appendMAC(bigMsk, phf.Mask)

        elif phf.Field.Format == InputFormat.bytearray:
            bigVal = self.appendByteArray(bigVal, phf.Value, size)
            bigMsk = self.appendByteArray(bigMsk, phf.Mask, size)

        else:
            print("Invalid input format")

        big.update(bigVal=bigVal, bigMsk=bigMsk)
        return big, size

    def Resolve(self):
        big = {"bigVal": 0, "bigMsk": 0}