new_contents: import dpkt
  import logging
  
  l = logging.getLogger("fuzzer.pcap")
  
  def _connection_streams(filename):
      filestream = open(filename)
      pcap = dpkt.pcap.Reader(filestream)
      out = []
      lookup = {}
      for _, packet in pcap:
          ip = dpkt.ethernet.Ethernet(packet).ip
          tcp = ip.data
          if tcp.data == '': 
              continue
  
          is_recv = ip.dst == '\x7f\x00\x00\x01'
          key = (tcp.sport, tcp.dport) if is_recv else (tcp.dport, tcp.sport)
          if key not in lookup:
              lookup[key] = len(out)
              out.append([])
          index = lookup[key]
  
          if len(out[index]) > 0 and is_recv and out[index][-1]['direction'] == 'recv':
              out[index][-1]['data'] += tcp.data
          else:
              out[index].append({
                  'direction': 'recv' if is_recv else 'send',
                  'data': tcp.data
              })
      filestream.close()
      return out 
  
  def process(pcap_path):
      l.debug("received path '%s' to process as a pcap", pcap_path)
  
      streams = _connection_streams(pcap_path)
  
      # concat all the send streams together
      seeds = [ ]
      for stream in streams:
          inp = [ ]
          for pkt in stream:
              if pkt['direction'] == 'send':
                  inp.append(pkt['data'])
          inp = ''.join(inp)
          seeds.append(inp)
  
      return seeds
  
subject: Add pcap.py to driller package