// PropertyValue retrieves the value of a device property func (d *Device) PropertyValue(key string) string { d.lock() defer d.unlock() k := C.CString(key) defer freeCharPtr(k) return C.GoString(C.udev_device_get_property_value(d.ptr, k)) }
func (d Device) PropertyValue(key string) string { return C.GoString(C.udev_device_get_property_value(d.ptr, C.CString(key))) }
func enumerate() ([]DeviceDescription, error) { var result []DeviceDescription udev := C.udev_new() if udev == nil { return nil, errors.New("Udev connection failed!") } enumerate := C.udev_enumerate_new(udev) if enumerate == nil { return nil, errors.New("Unix: udev_enumerate_new() returned: 0") } var devices *C.struct_udev_list_entry C.udev_enumerate_add_match_subsystem(enumerate, C.CString("tty")) C.udev_enumerate_scan_devices(enumerate) devices = C.udev_enumerate_get_list_entry(enumerate) for devices != nil { syspath := C.udev_list_entry_get_name(devices) udev_device := C.udev_device_new_from_syspath(udev, syspath) if udev_device != nil { var dev DeviceDescription s := C.GoString(C.udev_device_get_devnode(udev_device)) for _, mask := range devNamesMask { if strings.Contains(s, mask) { dev.Description = C.GoString(C.udev_device_get_property_value( udev_device, C.CString("ID_MODEL_FROM_DATABASE"))) dev.Revision = C.GoString(C.udev_device_get_property_value( udev_device, C.CString("ID_REVISION"))) dev.Bus = C.GoString(C.udev_device_get_property_value( udev_device, C.CString("ID_BUS"))) dev.Driver = C.GoString(C.udev_device_get_property_value( udev_device, C.CString(eqBusDrvMap[dev.Bus]))) dev.LocationInfo = strings.Replace(C.GoString(C.udev_device_get_property_value( udev_device, C.CString("ID_MODEL_ENC"))), "\\x20", " ", -1) dev.Manufacturer = C.GoString(C.udev_device_get_property_value( udev_device, C.CString("ID_VENDOR_FROM_DATABASE"))) dev.SubSystem = C.GoString(C.udev_device_get_property_value( udev_device, C.CString("SUBSYSTEM"))) dev.SystemPath = C.GoString(C.udev_device_get_syspath(udev_device)) dev.ShortName = C.GoString(C.udev_device_get_property_value( udev_device, C.CString("DEVNAME"))) dev.Name = dev.ShortName dev.FriendlyName = fmt.Sprintf("%s (%s)", dev.Description, dev.ShortName) var v []byte var err error if v, err = hex.DecodeString(C.GoString(C.udev_device_get_property_value( udev_device, C.CString("ID_VENDOR_ID")))); err == nil && len(v) == 2 { dev.VendorID = (uint16)(v[0])<<8 + (uint16)(v[1]) } if v, err = hex.DecodeString(C.GoString(C.udev_device_get_property_value( udev_device, C.CString("ID_MODEL_ID")))); err == nil && len(v) == 2 { dev.ProductID = (uint16)(v[0])<<8 + (uint16)(v[1]) } result = append(result, dev) } } } devices = C.udev_list_entry_get_next(devices) } C.udev_enumerate_unref(enumerate) return result, nil }