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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
* Copyright (C) 2007 Sebastian Dröge.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* Authors: Alexander Larsson <alexl@redhat.com>
* John McCutchan <john@johnmccutchan.com>
* Sebastian Dröge <slomo@circular-chaos.org>
*/
#include "config.h"
#include "ginotifyfilemonitor.h"
#include <gio/giomodule.h>
#define USE_INOTIFY 1
#include "inotify-helper.h"
struct _GInotifyFileMonitor
{
GLocalFileMonitor parent_instance;
gchar *filename;
gchar *dirname;
inotify_sub *sub;
gboolean pair_moves;
};
static gboolean g_inotify_file_monitor_cancel (GFileMonitor* monitor);
#define g_inotify_file_monitor_get_type _g_inotify_file_monitor_get_type
G_DEFINE_TYPE_WITH_CODE (GInotifyFileMonitor, g_inotify_file_monitor, G_TYPE_LOCAL_FILE_MONITOR,
g_io_extension_point_implement (G_LOCAL_FILE_MONITOR_EXTENSION_POINT_NAME,
g_define_type_id,
"inotify",
20))
static void
g_inotify_file_monitor_finalize (GObject *object)
{
GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (object);
inotify_sub *sub = inotify_monitor->sub;
if (sub)
{
_ih_sub_cancel (sub);
_ih_sub_free (sub);
inotify_monitor->sub = NULL;
}
if (inotify_monitor->filename)
{
g_free (inotify_monitor->filename);
inotify_monitor->filename = NULL;
}
if (inotify_monitor->dirname)
{
g_free (inotify_monitor->dirname);
inotify_monitor->dirname = NULL;
}
if (G_OBJECT_CLASS (g_inotify_file_monitor_parent_class)->finalize)
(*G_OBJECT_CLASS (g_inotify_file_monitor_parent_class)->finalize) (object);
}
static GObject *
g_inotify_file_monitor_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
GObject *obj;
GInotifyFileMonitorClass *klass;
GObjectClass *parent_class;
GInotifyFileMonitor *inotify_monitor;
const gchar *filename = NULL;
gboolean watch_hardlinks;
inotify_sub *sub = NULL;
gboolean pair_moves;
gboolean ret_ih_startup; /* return value of _ih_startup, for asserting */
klass = G_INOTIFY_FILE_MONITOR_CLASS (g_type_class_peek (G_TYPE_INOTIFY_FILE_MONITOR));
parent_class = G_OBJECT_CLASS (g_type_class_peek_parent (klass));
obj = parent_class->constructor (type,
n_construct_properties,
construct_properties);
inotify_monitor = G_INOTIFY_FILE_MONITOR (obj);
filename = G_LOCAL_FILE_MONITOR (obj)->filename;
g_assert (filename != NULL);
inotify_monitor->filename = g_path_get_basename (filename);
inotify_monitor->dirname = g_path_get_dirname (filename);
/* Will never fail as is_supported() should be called before instanciating
* anyway */
/* assert on return value */
ret_ih_startup = _ih_startup();
g_assert (ret_ih_startup);
pair_moves = G_LOCAL_FILE_MONITOR (obj)->flags & G_FILE_MONITOR_SEND_MOVED;
watch_hardlinks = G_LOCAL_FILE_MONITOR (obj)->flags & G_FILE_MONITOR_WATCH_HARD_LINKS;
sub = _ih_sub_new (inotify_monitor->dirname,
inotify_monitor->filename,
pair_moves,
watch_hardlinks,
inotify_monitor);
/* FIXME: what to do about errors here? we can't return NULL or another
* kind of error and an assertion is probably too hard */
g_assert (sub != NULL);
/* _ih_sub_add allways returns TRUE, see gio/inotify/inotify-helper.c line 109
* g_assert (_ih_sub_add (sub)); */
_ih_sub_add (sub);
inotify_monitor->sub = sub;
return obj;
}
static gboolean
g_inotify_file_monitor_is_supported (void)
{
return _ih_startup ();
}
static void
g_inotify_file_monitor_class_init (GInotifyFileMonitorClass* klass)
{
GObjectClass* gobject_class = G_OBJECT_CLASS (klass);
GFileMonitorClass *file_monitor_class = G_FILE_MONITOR_CLASS (klass);
GLocalFileMonitorClass *local_file_monitor_class = G_LOCAL_FILE_MONITOR_CLASS (klass);
gobject_class->finalize = g_inotify_file_monitor_finalize;
gobject_class->constructor = g_inotify_file_monitor_constructor;
file_monitor_class->cancel = g_inotify_file_monitor_cancel;
local_file_monitor_class->is_supported = g_inotify_file_monitor_is_supported;
}
static void
g_inotify_file_monitor_init (GInotifyFileMonitor* monitor)
{
}
static gboolean
g_inotify_file_monitor_cancel (GFileMonitor* monitor)
{
GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (monitor);
inotify_sub *sub = inotify_monitor->sub;
if (sub)
{
_ih_sub_cancel (sub);
_ih_sub_free (sub);
inotify_monitor->sub = NULL;
}
if (G_FILE_MONITOR_CLASS (g_inotify_file_monitor_parent_class)->cancel)
(*G_FILE_MONITOR_CLASS (g_inotify_file_monitor_parent_class)->cancel) (monitor);
return TRUE;
}
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