165 lines
4.2 KiB
C
165 lines
4.2 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2007 Richard Hughes <richard@hughsie.com>
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*
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* Licensed under the GNU General Public License Version 2
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:pk-connection
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* @short_description: Functionality to see when packagekid starts and stops
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*
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* This file contains functions that can be used to see when packagekitd starts
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* and stops.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#include <glib/gi18n.h>
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#include <libgbus.h>
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#include "pk-debug.h"
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#include "pk-common.h"
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#include "pk-connection.h"
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#define PK_CONNECTION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), PK_TYPE_CONNECTION, PkConnectionPrivate))
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/**
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* PkConnectionPrivate:
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*
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* Private #PkConnection data
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**/
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struct PkConnectionPrivate
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{
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LibGBus *libgbus;
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};
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enum {
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CONNECTION_CHANGED,
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LAST_SIGNAL
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};
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static guint signals [LAST_SIGNAL] = { 0, };
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static gpointer pk_connection_object = NULL;
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G_DEFINE_TYPE (PkConnection, pk_connection, G_TYPE_OBJECT)
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/**
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* pk_connection_valid:
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* @connection: a valid #PkConnection instance
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*
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* Return value: %TRUE if packagekitd is running
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**/
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gboolean
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pk_connection_valid (PkConnection *connection)
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{
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return libgbus_is_connected (connection->priv->libgbus);
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}
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/**
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* pk_connection_finalize:
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**/
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static void
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pk_connection_finalize (GObject *object)
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{
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PkConnection *connection;
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g_return_if_fail (object != NULL);
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g_return_if_fail (PK_IS_CONNECTION (object));
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connection = PK_CONNECTION (object);
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g_return_if_fail (connection->priv != NULL);
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g_object_unref (connection->priv->libgbus);
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G_OBJECT_CLASS (pk_connection_parent_class)->finalize (object);
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}
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/**
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* pk_connection_class_init:
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**/
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static void
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pk_connection_class_init (PkConnectionClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = pk_connection_finalize;
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signals [CONNECTION_CHANGED] =
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g_signal_new ("connection-changed",
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G_TYPE_FROM_CLASS (object_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (PkConnectionClass, connection_changed),
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NULL,
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NULL,
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g_cclosure_marshal_VOID__BOOLEAN,
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G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
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g_type_class_add_private (klass, sizeof (PkConnectionPrivate));
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}
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/**
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* pk_connection_connection_changed_cb:
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**/
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static void
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pk_connection_connection_changed_cb (LibGBus *libgbus, gboolean connected, PkConnection *connection)
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{
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pk_debug ("emit connection-changed: %i", connected);
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g_signal_emit (connection , signals [CONNECTION_CHANGED], 0, connected);
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}
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/**
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* pk_connection_init:
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**/
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static void
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pk_connection_init (PkConnection *connection)
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{
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connection->priv = PK_CONNECTION_GET_PRIVATE (connection);
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connection->priv->libgbus = libgbus_new ();
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g_signal_connect (connection->priv->libgbus, "connection-changed",
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G_CALLBACK (pk_connection_connection_changed_cb), connection);
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/* hardcode to PackageKit */
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libgbus_assign (connection->priv->libgbus, LIBGBUS_SYSTEM, PK_DBUS_SERVICE);
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}
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/**
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* pk_connection_new:
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*
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* Return value: A new #PkConnection instance
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**/
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PkConnection *
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pk_connection_new (void)
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{
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if (pk_connection_object != NULL) {
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g_object_ref (pk_connection_object);
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} else {
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pk_connection_object = g_object_new (PK_TYPE_CONNECTION, NULL);
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g_object_add_weak_pointer (pk_connection_object, &pk_connection_object);
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}
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return PK_CONNECTION (pk_connection_object);
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}
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