public override bool Open()

in ScpControl/Usb/Ds3/UsbDs3.cs [73:139]
59 lines of code
7 McCabe index (conditional complexity)

        public override bool Open(string devicePath)
        {
            if (base.Open(devicePath))
            {
                State = DsState.Reserved;
                GetDeviceInstance(ref m_Instance);

                var transfered = 0;

                if (SendTransfer(UsbHidRequestType.DeviceToHost, UsbHidRequest.GetReport, 0x03F5, m_Buffer,
                    ref transfered))
                {
                    HostAddress =
                        new PhysicalAddress(new[]
                        {m_Buffer[2], m_Buffer[3], m_Buffer[4], m_Buffer[5], m_Buffer[6], m_Buffer[7]});
                }
                else
                {
                    Log.ErrorFormat("Couldn't request Bluetooth host address for device {0}, error: {1}", devicePath,
                        new Win32Exception(Marshal.GetLastWin32Error()));
                    State = DsState.Disconnected;
                    return false;
                }

                if (SendTransfer(UsbHidRequestType.DeviceToHost, UsbHidRequest.GetReport, 0x03F2, m_Buffer,
                    ref transfered))
                {
                    DeviceAddress =
                        new PhysicalAddress(new[]
                        {m_Buffer[4], m_Buffer[5], m_Buffer[6], m_Buffer[7], m_Buffer[8], m_Buffer[9]});
                }
                else
                {
                    Log.ErrorFormat("Couldn't request Bluetooth device address for device {0}, error: {1}", devicePath,
                        new Win32Exception(Marshal.GetLastWin32Error()));
                    State = DsState.Disconnected;
                    return false;
                }

                Log.InfoFormat("Successfully opened device with MAC address {0}", DeviceAddress.AsFriendlyName());

                if (!IniConfig.Instance.Hci.GenuineMacAddresses.Any(m => DeviceAddress.AsFriendlyName().StartsWith(m)))
                {
                    Log.WarnFormat("Fake DualShock 3 detected [{0}]", DeviceAddress.AsFriendlyName());

                    var bthCompany = IniConfig.Instance.BthChipManufacturers.FirstOrDefault(
                        m =>
                            DeviceAddress.AsFriendlyName().StartsWith(m.PartialMacAddress.ToUpper()));

                    if (bthCompany != null && bthCompany.Name.Equals("AirohaTechnologyCorp"))
                    {
                        Log.WarnFormat("Controller uses Bluetooth chip by Airoha Technology Corp., suppressing workaround");
                        IsFake = false;
                    }
                    else
                    {
                        IsFake = true;
                    }
                }
                else
                {
                    Log.Info("Genuine Sony DualShock 3 detected");
                }
            }

            return State == DsState.Reserved;
        }