Merge "RootCanal: Rectify the value of the direction field in PCAP records"

  pcap::WriteRecordHeader(*output_, 4 + 1 + packet.size());

  // http://www.tcpdump.org/linktypes.html LINKTYPE_BLUETOOTH_HCI_H4_WITH_PHDR

  // Note: the description given for the direction bit by tcpdump

  // is in opposition with the implementation in wireshark.

  // The values match wireshark's implementation here.

  char direction[4] = {0, 0, 0, static_cast<char>(packet_direction)};

  uint8_t idc = static_cast<uint8_t>(packet_type);

  output_->write(direction, sizeof(direction));

namespace rootcanal {

enum class PacketDirection : uint8_t {

  CONTROLLER_TO_HOST = 0,

  HOST_TO_CONTROLLER = 1,

  HOST_TO_CONTROLLER = 0,

  CONTROLLER_TO_HOST = 1,

};

// A Hci Transport that logs all the in and out going