/**
* cd_sensor_load:
* @sensor: a valid #CdSensor instance
* @kind: the sensor kind, e.g %CD_SENSOR_KIND_HUEY
*
* Sets the device kind.
**/
gboolean
cd_sensor_load (CdSensor *sensor, GError **error)
{
CdSensorIface *desc;
gboolean ret = FALSE;
gchar *backend_name = NULL;
gchar *path = NULL;
gchar *path_fallback = NULL;
GModule *handle;
/* no module */
if (sensor->priv->kind == CD_SENSOR_KIND_UNKNOWN) {
ret = TRUE;
goto out;
}
/* can we load a module? */
backend_name = g_strdup_printf ("libcolord_sensor_%s." G_MODULE_SUFFIX,
cd_sensor_kind_to_string (sensor->priv->kind));
path = g_build_filename (LIBDIR, "colord-sensors", backend_name, NULL);
g_debug ("Trying to load sensor driver: %s", path);
handle = g_module_open (path, G_MODULE_BIND_LOCAL);
if (handle == NULL) {
g_debug ("opening module %s failed : %s",
backend_name, g_module_error ());
g_debug ("Trying to fall back to : libcolord_sensor_argyll");
path_fallback = g_build_filename (LIBDIR,
"colord-sensors",
"libcolord_sensor_argyll.so",
NULL);
handle = g_module_open (path_fallback, G_MODULE_BIND_LOCAL);
}
if (handle == NULL) {
g_set_error (error, 1, 0,
"opening module %s (and fallback) failed : %s",
backend_name, g_module_error ());
goto out;
}
/* dlload module if it exists */
desc = sensor->priv->desc = g_new0 (CdSensorIface, 1);
/* connect up exported methods */
g_module_symbol (handle, "cd_sensor_get_sample_async", (gpointer *)&desc->get_sample_async);
g_module_symbol (handle, "cd_sensor_get_sample_finish", (gpointer *)&desc->get_sample_finish);
g_module_symbol (handle, "cd_sensor_set_options_async", (gpointer *)&desc->set_options_async);
g_module_symbol (handle, "cd_sensor_set_options_finish", (gpointer *)&desc->set_options_finish);
g_module_symbol (handle, "cd_sensor_coldplug", (gpointer *)&desc->coldplug);
g_module_symbol (handle, "cd_sensor_dump_device", (gpointer *)&desc->dump_device);
g_module_symbol (handle, "cd_sensor_lock_async", (gpointer *)&desc->lock_async);
g_module_symbol (handle, "cd_sensor_lock_finish", (gpointer *)&desc->lock_finish);
g_module_symbol (handle, "cd_sensor_unlock_async", (gpointer *)&desc->unlock_async);
g_module_symbol (handle, "cd_sensor_unlock_finish", (gpointer *)&desc->unlock_finish);
/* coldplug with data */
if (desc->coldplug != NULL) {
ret = desc->coldplug (sensor, error);
if (!ret)
goto out;
}
out:
// g_module_close (handle);
g_free (backend_name);
g_free (path);
g_free (path_fallback);
return ret;
}
/**
* cd_sensor_load:
* @sensor: a valid #CdSensor instance
* @kind: the sensor kind, e.g %CD_SENSOR_KIND_HUEY
*
* Sets the device kind.
**/
gboolean
cd_sensor_load (CdSensor *sensor, GError **error)
{
CdSensorPrivate *priv = GET_PRIVATE (sensor);
CdSensorIface *desc;
GModule *handle;
const gchar *module_name;
g_autofree gchar *backend_name = NULL;
g_autofree gchar *path_fallback = NULL;
g_autofree gchar *path = NULL;
/* no module */
if (priv->kind == CD_SENSOR_KIND_UNKNOWN)
return TRUE;
/* some modules are shared */
switch (priv->kind) {
case CD_SENSOR_KIND_COLORHUG:
case CD_SENSOR_KIND_COLORHUG2:
module_name = "colorhug";
break;
default:
module_name = cd_sensor_kind_to_string (priv->kind);
break;
}
/* can we load a module? */
backend_name = g_strdup_printf ("libcolord_sensor_%s." G_MODULE_SUFFIX,
module_name);
path = g_build_filename (LIBDIR, "colord-sensors", backend_name, NULL);
g_debug ("Trying to load sensor driver: %s", path);
handle = g_module_open (path, G_MODULE_BIND_LOCAL);
if (handle == NULL) {
g_debug ("opening module %s failed : %s",
backend_name, g_module_error ());
g_debug ("Trying to fall back to : libcolord_sensor_argyll");
path_fallback = g_build_filename (LIBDIR,
"colord-sensors",
"libcolord_sensor_argyll.so",
NULL);
handle = g_module_open (path_fallback, G_MODULE_BIND_LOCAL);
}
if (handle == NULL) {
g_set_error (error, 1, 0,
"opening module %s (and fallback) failed : %s",
backend_name, g_module_error ());
return FALSE;
}
/* dlload module if it exists */
desc = priv->desc = g_new0 (CdSensorIface, 1);
/* connect up exported methods */
g_module_symbol (handle, "cd_sensor_get_sample_async", (gpointer *)&desc->get_sample_async);
g_module_symbol (handle, "cd_sensor_get_sample_finish", (gpointer *)&desc->get_sample_finish);
g_module_symbol (handle, "cd_sensor_get_spectrum_async", (gpointer *)&desc->get_spectrum_async);
g_module_symbol (handle, "cd_sensor_get_spectrum_finish", (gpointer *)&desc->get_spectrum_finish);
g_module_symbol (handle, "cd_sensor_set_options_async", (gpointer *)&desc->set_options_async);
g_module_symbol (handle, "cd_sensor_set_options_finish", (gpointer *)&desc->set_options_finish);
g_module_symbol (handle, "cd_sensor_coldplug", (gpointer *)&desc->coldplug);
g_module_symbol (handle, "cd_sensor_dump_device", (gpointer *)&desc->dump_device);
g_module_symbol (handle, "cd_sensor_lock_async", (gpointer *)&desc->lock_async);
g_module_symbol (handle, "cd_sensor_lock_finish", (gpointer *)&desc->lock_finish);
g_module_symbol (handle, "cd_sensor_unlock_async", (gpointer *)&desc->unlock_async);
g_module_symbol (handle, "cd_sensor_unlock_finish", (gpointer *)&desc->unlock_finish);
/* coldplug with data */
if (desc->coldplug != NULL)
return desc->coldplug (sensor, error);
return TRUE;
}