/* This function can be called in any thread */
void
tracker_extract_file (TrackerExtract *extract,
const gchar *file,
const gchar *mimetype,
const gchar *graph,
GCancellable *cancellable,
GAsyncReadyCallback cb,
gpointer user_data)
{
GSimpleAsyncResult *res;
GError *error = NULL;
TrackerExtractTask *task;
g_return_if_fail (TRACKER_IS_EXTRACT (extract));
g_return_if_fail (file != NULL);
g_return_if_fail (cb != NULL);
#ifdef THREAD_ENABLE_TRACE
g_debug ("Thread:%p <-- '%s': Processing file\n",
g_thread_self (),
file);
#endif /* THREAD_ENABLE_TRACE */
res = g_simple_async_result_new (G_OBJECT (extract), cb, user_data, NULL);
task = extract_task_new (extract, file, mimetype, graph,
cancellable, G_ASYNC_RESULT (res), &error);
if (error) {
g_warning ("Could not get mimetype, %s", error->message);
g_simple_async_result_set_from_error (res, error);
g_simple_async_result_complete_in_idle (res);
g_error_free (error);
} else {
TrackerExtractPrivate *priv;
priv = TRACKER_EXTRACT_GET_PRIVATE (task->extract);
g_mutex_lock (&priv->task_mutex);
priv->running_tasks = g_list_prepend (priv->running_tasks, task);
g_mutex_unlock (&priv->task_mutex);
g_idle_add ((GSourceFunc) dispatch_task_cb, task);
}
/* Task takes a ref and if this fails, we want to unref anyway */
g_object_unref (res);
}
void
tracker_extract_get_metadata_by_cmdline (TrackerExtract *object,
const gchar *uri,
const gchar *mime)
{
GError *error = NULL;
TrackerExtractPrivate *priv;
TrackerExtractTask *task;
TrackerExtractInfo *info;
gboolean no_modules = TRUE;
priv = TRACKER_EXTRACT_GET_PRIVATE (object);
priv->disable_summary_on_finalize = TRUE;
g_return_if_fail (uri != NULL);
task = extract_task_new (object, uri, mime, NULL, NULL, NULL, &error);
if (error) {
g_printerr ("Extraction failed, %s\n", error->message);
g_error_free (error);
return;
}
task->mimetype_handlers = tracker_extract_module_manager_get_mimetype_handlers (task->mimetype);
task->cur_module = tracker_mimetype_info_get_module (task->mimetype_handlers, &task->cur_func, NULL);
while (task->cur_module && task->cur_func) {
if (!filter_module (object, task->cur_module) &&
get_file_metadata (task, &info)) {
const gchar *preupdate_str, *postupdate_str, *statements_str, *where;
TrackerSparqlBuilder *builder;
no_modules = FALSE;
preupdate_str = statements_str = postupdate_str = NULL;
builder = tracker_extract_info_get_metadata_builder (info);
if (tracker_sparql_builder_get_length (builder) > 0) {
statements_str = tracker_sparql_builder_get_result (builder);
}
builder = tracker_extract_info_get_preupdate_builder (info);
if (tracker_sparql_builder_get_length (builder) > 0) {
preupdate_str = tracker_sparql_builder_get_result (builder);
}
builder = tracker_extract_info_get_postupdate_builder (info);
if (tracker_sparql_builder_get_length (builder) > 0) {
postupdate_str = tracker_sparql_builder_get_result (builder);
}
where = tracker_extract_info_get_where_clause (info);
g_print ("\n");
g_print ("SPARQL pre-update:\n--\n%s--\n\n",
preupdate_str ? preupdate_str : "");
g_print ("SPARQL item:\n--\n%s--\n\n",
statements_str ? statements_str : "");
g_print ("SPARQL where clause:\n--\n%s--\n\n",
where ? where : "");
g_print ("SPARQL post-update:\n--\n%s--\n\n",
postupdate_str ? postupdate_str : "");
tracker_extract_info_unref (info);
break;
} else {
if (!tracker_mimetype_info_iter_next (task->mimetype_handlers)) {
break;
}
task->cur_module = tracker_mimetype_info_get_module (task->mimetype_handlers,
&task->cur_func,
NULL);
}
}
if (no_modules) {
g_print ("No modules found to handle metadata extraction\n\n");
}
extract_task_free (task);
}