void
light_handler(REQUEST* request, RESPONSE* response)
{
read_light_sensor(&light_photosynthetic, &light_solar);
sprintf(temp,"%u;%u", light_photosynthetic, light_solar);
char etag[4] = "ABCD";
rest_set_header_content_type(response, TEXT_PLAIN);
rest_set_header_etag(response, etag, sizeof(etag));
rest_set_response_payload(response, temp, strlen(temp));
}
static DBusHandlerResult
filter_function (DBusConnection *connection, DBusMessage *message, void *userdata)
{
DBusError err;
DBusMessage *reply;
const char *udi;
udi = dbus_message_get_path (message);
/*dbg ("filter_function: sender=%s destination=%s obj_path=%s interface=%s method=%s",
dbus_message_get_sender (message),
dbus_message_get_destination (message),
dbus_message_get_path (message),
dbus_message_get_interface (message),
dbus_message_get_member (message));*/
reply = NULL;
dbus_error_init (&err);
if (dbus_message_is_method_call (message,
"org.freedesktop.Hal.Device.LaptopPanel",
"SetBrightness")) {
int brightness;
if (!check_priv (halctx, connection, message, udi, "org.freedesktop.hal.power-management.lcd-panel"))
goto error;
if (dbus_message_get_args (message,
&err,
DBUS_TYPE_INT32, &brightness,
DBUS_TYPE_INVALID)) {
/* dbg ("setting brightness %d", brightness); */
if (brightness < 0 || brightness > 228) {
reply = dbus_message_new_error (message,
"org.freedesktop.Hal.Device.LaptopPanel.Invalid",
"Brightness has to be between 0 and 228!");
} else {
int return_code;
write_backlight (brightness + 27);
reply = dbus_message_new_method_return (message);
if (reply == NULL)
goto error;
return_code = 0;
dbus_message_append_args (reply,
DBUS_TYPE_INT32, &return_code,
DBUS_TYPE_INVALID);
}
dbus_connection_send (connection, reply, NULL);
}
} else if (dbus_message_is_method_call (message,
"org.freedesktop.Hal.Device.LaptopPanel",
"GetBrightness")) {
int brightness;
if (!check_priv (halctx, connection, message, udi, "org.freedesktop.hal.power-management.lcd-panel"))
goto error;
if (dbus_message_get_args (message,
&err,
DBUS_TYPE_INVALID)) {
brightness = read_backlight () - 27;
if (brightness < 0)
brightness = 0;
if (brightness > 228)
brightness = 228;
/* dbg ("getting brightness, it's %d", brightness); */
reply = dbus_message_new_method_return (message);
if (reply == NULL)
goto error;
dbus_message_append_args (reply,
DBUS_TYPE_INT32, &brightness,
DBUS_TYPE_INVALID);
dbus_connection_send (connection, reply, NULL);
}
} else if (dbus_message_is_method_call (message,
"org.freedesktop.Hal.Device.LightSensor",
"GetBrightness")) {
int brightness[2];
if (!check_priv (halctx, connection, message, udi, "org.freedesktop.hal.power-management.light-sensor"))
goto error;
brightness[0] = read_light_sensor (FALSE); /* right */
brightness[1] = read_light_sensor (TRUE); /* left */
if (brightness[0] == -1 || brightness[1] == -1) {
reply = dbus_message_new_error (message,
"org.freedesktop.Hal.Device.LightSensors.Error",
"Error poking hardware");
dbus_connection_send (connection, reply, NULL);
} else {
int (*pb)[] = &brightness;
reply = dbus_message_new_method_return (message);
if (reply == NULL)
goto error;
dbus_message_append_args (reply,
DBUS_TYPE_ARRAY, DBUS_TYPE_INT32, &pb, 2,
DBUS_TYPE_INVALID);
dbus_connection_send (connection, reply, NULL);
}
} else if (dbus_message_is_method_call (message,
"org.freedesktop.Hal.Device.KeyboardBacklight",
"GetBrightness")) {
if (!check_priv (halctx, connection, message, udi, "org.freedesktop.hal.power-management.keyboard-backlight"))
goto error;
/* I can't get this working so just cache last SetBrightness value :-/ */
if (last_keyboard_brightness == -1 ) {
reply = dbus_message_new_error (message,
"org.freedesktop.Hal.Device.KeyboardBacklight.Error",
"Error poking hardware");
dbus_connection_send (connection, reply, NULL);
} else {
reply = dbus_message_new_method_return (message);
if (reply == NULL)
goto error;
dbus_message_append_args (reply,
DBUS_TYPE_INT32, &last_keyboard_brightness,
DBUS_TYPE_INVALID);
dbus_connection_send (connection, reply, NULL);
}
#if 0
int brightness;
brightness = read_keyboard_backlight ();
if (brightness == -1) {
reply = dbus_message_new_error (message,
"org.freedesktop.Hal.Device.KeyboardBacklight.Error",
"Error poking hardware");
dbus_connection_send (connection, reply, NULL);
} else {
reply = dbus_message_new_method_return (message);
if (reply == NULL)
goto error;
dbus_message_append_args (reply,
DBUS_TYPE_INT32, &brightness,
DBUS_TYPE_INVALID);
dbus_connection_send (connection, reply, NULL);
}
#endif
} else if (dbus_message_is_method_call (message,
"org.freedesktop.Hal.Device.KeyboardBacklight",
"SetBrightness")) {
int brightness;
if (!check_priv (halctx, connection, message, udi, "org.freedesktop.hal.power-management.keyboard-backlight"))
goto error;
if (dbus_message_get_args (message,
&err,
DBUS_TYPE_INT32, &brightness,
DBUS_TYPE_INVALID)) {
/*dbg ("setting keyboard brightness %d", brightness);*/
if (brightness < 0 || brightness > 255) {
reply = dbus_message_new_error (message,
"org.freedesktop.Hal.Device.KeyboardBacklight.Invalid",
"Brightness has to be between 0 and 255!");
} else {
set_keyboard_backlight (brightness);
last_keyboard_brightness = brightness;
reply = dbus_message_new_method_return (message);
if (reply == NULL)
goto error;
}
dbus_connection_send (connection, reply, NULL);
}
}
error:
if (reply != NULL)
dbus_message_unref (reply);
LIBHAL_FREE_DBUS_ERROR (&err);
return DBUS_HANDLER_RESULT_HANDLED;
}
