Get Payload Length

function Packet_GetPayloadLength (dpiMsg, packet)

  require 'LOG'

  require 'HexString'

  if GetLatestApplication(dpiMsg) == "http" then

    -- Get ICMP type (byte 20 for IPv4 packets)

    local longPayloadThreshold = 20000

    local payloadLength = GetPayloadLength(packet)

    if payloadLength > longPayloadThreshold then

      EZINFO("Session: ", GetUuid(dpiMsg), ", long payload length: ", payloadLength)

      endPayload = GetPayloadString(packet, longPayloadThreshold, payloadLength-1)

      endPayloadHex = StringToHex(endPayload)

      EZINFO("Session: ", GetUuid(dpiMsg), ", end payload:\n", endPayloadHex)

    end

  end

end