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/*
* Copyright © 2010 Codethink Limited
* Copyright © 2012 Canonical Limited
*
* 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 licence, 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, see <http://www.gnu.org/licenses/>.
*
* Author: Ryan Lortie <desrt@desrt.ca>
*/
#include "config.h"
#include "dconf-engine-source-private.h"
#include "../shm/dconf-shm.h"
#include <sys/mman.h>
#include <fcntl.h>
#include <errno.h>
typedef struct
{
DConfEngineSource source;
guint8 *shm;
} DConfEngineSourceUser;
static GvdbTable *
dconf_engine_source_user_open_gvdb (const gchar *name)
{
GvdbTable *table;
gchar *filename;
/* This can fail in the normal case of the user not having any
* settings. That's OK and it shouldn't be considered as an error.
*/
filename = g_build_filename (g_get_user_config_dir (), "dconf", name, NULL);
table = gvdb_table_new (filename, FALSE, NULL);
g_free (filename);
return table;
}
static void
dconf_engine_source_user_init (DConfEngineSource *source)
{
source->bus_type = G_BUS_TYPE_SESSION;
source->bus_name = g_strdup ("ca.desrt.dconf");
source->object_path = g_strdup_printf ("/ca/desrt/dconf/Writer/%s", source->name);
source->writable = TRUE;
}
static gboolean
dconf_engine_source_user_needs_reopen (DConfEngineSource *source)
{
DConfEngineSourceUser *user_source = (DConfEngineSourceUser *) source;
return dconf_shm_is_flagged (user_source->shm);
}
static GvdbTable *
dconf_engine_source_user_reopen (DConfEngineSource *source)
{
DConfEngineSourceUser *user_source = (DConfEngineSourceUser *) source;
dconf_shm_close (user_source->shm);
user_source->shm = dconf_shm_open (source->name);
return dconf_engine_source_user_open_gvdb (source->name);
}
static void
dconf_engine_source_user_finalize (DConfEngineSource *source)
{
DConfEngineSourceUser *user_source = (DConfEngineSourceUser *) source;
dconf_shm_close (user_source->shm);
}
G_GNUC_INTERNAL
const DConfEngineSourceVTable dconf_engine_source_user_vtable = {
.instance_size = sizeof (DConfEngineSourceUser),
.init = dconf_engine_source_user_init,
.finalize = dconf_engine_source_user_finalize,
.needs_reopen = dconf_engine_source_user_needs_reopen,
.reopen = dconf_engine_source_user_reopen
};
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