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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2008, Nokia
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include <stdlib.h>
#include <gio/gio.h>
#include <libtracker-common/tracker-utils.h>
#include <libtracker-common/tracker-type-utils.h>
#include <libtracker-db/tracker-db-manager.h>
#include <libtracker-data/tracker-data-update.h>
#include <libtracker-data/tracker-data-query.h>
#include "tracker-thumbnailer.h"
#include "tracker-volume-cleanup.h"
/* Deals with cleaning up resident data after longer timeouts (days,
* sessions).
*/
#define SECONDS_PER_DAY (60 * 60 * 24)
#define THREE_DAYS_OF_SECONDS (SECONDS_PER_DAY * 3)
typedef struct {
guint timeout_id;
} TrackerCleanupPrivate;
static GStaticPrivate private_key = G_STATIC_PRIVATE_INIT;
static void
private_free (gpointer data)
{
TrackerCleanupPrivate *private;
private = data;
if (private->timeout_id) {
g_source_remove (private->timeout_id);
}
g_free (private);
}
static gboolean
check_for_volumes_to_cleanup (gpointer user_data)
{
#if 0
TrackerDBInterface *iface;
TrackerDBResultSet *result_set;
gchar *query;
time_t three_days_ago;
gchar *three_days_ago_as_string;
three_days_ago = (time (NULL) - THREE_DAYS_OF_SECONDS);
three_days_ago_as_string = tracker_date_to_string (three_days_ago);
g_message ("Checking for stale volumes in the database...");
iface = tracker_db_manager_get_db_interface ();
query = g_strdup_printf ("SELECT ?o ?m WHERE { "
"?o a tracker:Volume ; "
"tracker:mountPoint ?m ; "
"tracker:unmountDate ?z ; "
"tracker:isMounted false . "
"FILTER (?z < \"%s\") }",
three_days_ago_as_string);
result_set = tracker_data_query_sparql (query, NULL);
if (result_set) {
gboolean is_valid = TRUE;
while (is_valid) {
GValue value = { 0, };
const gchar *mount_point_uri;
const gchar *volume_uri;
_tracker_db_result_set_get_value (result_set, 1, &value);
mount_point_uri = g_value_get_string (&value);
/* mount_point_uri is indeed different than volume_uri,
* volume_uri is the datasource URN built using the UDI,
* mount_point_uri is like <file:///media/USBStick> */
if (mount_point_uri) {
g_message (" Cleaning up volumes with mount point:'%s'",
mount_point_uri);
/* Add cleanup items here */
tracker_thumbnailer_cleanup (mount_point_uri);
}
g_value_unset (&value);
/* Reset volume date */
_tracker_db_result_set_get_value (result_set, 0, &value);
volume_uri = g_value_get_string (&value);
tracker_data_update_reset_volume (volume_uri);
g_value_unset (&value);
is_valid = tracker_db_result_set_iter_next (result_set);
}
g_object_unref (result_set);
} else {
g_message (" No volumes to clean up");
}
g_free (three_days_ago_as_string);
g_free (query);
#endif
return TRUE;
}
void
tracker_volume_cleanup_init (void)
{
TrackerCleanupPrivate *private;
gchar *str;
private = g_new0 (TrackerCleanupPrivate, 1);
g_static_private_set (&private_key,
private,
private_free);
check_for_volumes_to_cleanup (private);
/* We use +1 because we want to make sure we trigger this
* into the 4th day, not on the 3rd day. This guarantees at
* least 3 days worth.
*/
str = tracker_seconds_to_string (SECONDS_PER_DAY + 1, FALSE);
g_message ("Scheduling volume check in %s", str);
g_free (str);
private->timeout_id =
g_timeout_add_seconds (SECONDS_PER_DAY + 1,
check_for_volumes_to_cleanup,
private);
}
void
tracker_volume_cleanup_shutdown (void)
{
g_static_private_set (&private_key, NULL, NULL);
}
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