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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager system settings service - keyfile plugin
*
* This program 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 program 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 program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright (C) 2012 Red Hat, Inc.
*/
#include <string.h>
#include <glib/gstdio.h>
#include <nm-dbus-interface.h>
#include <nm-setting-connection.h>
#include <nm-utils.h>
#include "nm-system-config-interface.h"
#include "nm-dbus-glib-types.h"
#include "nm-example-connection.h"
#include "common.h"
/* GObject boilerplate; this object is a subclass of NMSettingsConnection
* which is specified by the NM_TYPE_SETTINGS_CONNECTION bit here. That
* in turn is a subclass of NMConnection, so it ends up that NMExampleConnection
* is a subclass of NMConnection too.
*/
G_DEFINE_TYPE (NMExampleConnection, nm_example_connection, NM_TYPE_SETTINGS_CONNECTION)
#define NM_EXAMPLE_CONNECTION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_EXAMPLE_CONNECTION, NMExampleConnectionPrivate))
/* Object private instance data */
typedef struct {
char *path;
} NMExampleConnectionPrivate;
/* Creates a new object which encapsulates an on-disk connection and any
* plugin-specific operations or data.
*/
NMExampleConnection *
nm_example_connection_new (const char *full_path,
NMConnection *source,
GError **error)
{
GObject *object;
NMExampleConnectionPrivate *priv;
NMConnection *tmp;
const char *uuid;
g_return_val_if_fail (full_path != NULL, NULL);
/* If we're given a connection already, prefer that instead of re-reading */
if (source)
tmp = g_object_ref (source);
else {
/* Read the data offdisk and translate it into a simple NMConnection object */
tmp = connection_from_file (full_path, error);
if (!tmp)
return NULL;
}
/* Actually create the new NMExampleConnection object */
object = (GObject *) g_object_new (NM_TYPE_EXAMPLE_CONNECTION, NULL);
priv = NM_EXAMPLE_CONNECTION_GET_PRIVATE (object);
priv->path = g_strdup (full_path);
/* Update our settings with what was read from the file or what got passed
* in as a source NMConnection.
*/
if (!nm_settings_connection_replace_settings (NM_SETTINGS_CONNECTION (object),
tmp,
TRUE,
error)) {
g_object_unref (object);
object = NULL;
goto out;
}
/* Make sure we have a UUID; just a sanity check */
uuid = nm_connection_get_uuid (NM_CONNECTION (object));
if (!uuid) {
g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
"Connection in file %s had no UUID", full_path);
g_object_unref (object);
object = NULL;
}
out:
g_object_unref (tmp);
return (NMExampleConnection *) object;
}
const char *
nm_example_connection_get_path (NMExampleConnection *self)
{
g_return_val_if_fail (NM_IS_EXAMPLE_CONNECTION (self), NULL);
/* Simple accessor that returns the file path from our private instance data */
return NM_EXAMPLE_CONNECTION_GET_PRIVATE (self)->path;
}
static void
commit_changes (NMSettingsConnection *connection,
NMSettingsConnectionCommitFunc callback,
gpointer user_data)
{
NMExampleConnectionPrivate *priv = NM_EXAMPLE_CONNECTION_GET_PRIVATE (connection);
char *path = NULL;
GError *error = NULL;
/* Write the new connection data out to disk. This function passes
* back the path of the file it wrote out so that we know what that
* path is if the connection is a completely new one.
*/
if (!write_connection (NM_CONNECTION (connection), priv->path, &path, &error)) {
callback (connection, error, user_data);
g_clear_error (&error);
return;
}
/* Update the filename if it changed */
if (path) {
g_free (priv->path);
priv->path = path;
}
/* Chain up to parent for generic commit stuff */
NM_SETTINGS_CONNECTION_CLASS (nm_example_connection_parent_class)->commit_changes (connection,
callback,
user_data);
}
static void
do_delete (NMSettingsConnection *connection,
NMSettingsConnectionDeleteFunc callback,
gpointer user_data)
{
NMExampleConnectionPrivate *priv = NM_EXAMPLE_CONNECTION_GET_PRIVATE (connection);
g_unlink (priv->path);
/* Chain up to parent for generic deletion stuff */
NM_SETTINGS_CONNECTION_CLASS (nm_example_connection_parent_class)->delete (connection,
callback,
user_data);
}
/**************************************************************/
static void
nm_example_connection_init (NMExampleConnection *connection)
{
}
static void
finalize (GObject *object)
{
g_free (NM_EXAMPLE_CONNECTION_GET_PRIVATE (object)->path);
G_OBJECT_CLASS (nm_example_connection_parent_class)->finalize (object);
}
static void
nm_example_connection_class_init (NMExampleConnectionClass *keyfile_connection_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (keyfile_connection_class);
NMSettingsConnectionClass *settings_class = NM_SETTINGS_CONNECTION_CLASS (keyfile_connection_class);
/* Tells GObject to allocate and zero our instance data pointer */
g_type_class_add_private (keyfile_connection_class, sizeof (NMExampleConnectionPrivate));
/* Overrides of various superclass methods */
object_class->finalize = finalize;
settings_class->commit_changes = commit_changes;
settings_class->delete = do_delete;
}
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