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/*
* evolution-connman.c
*
* This program 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) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*/
#include <dbus/dbus.h>
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>
#include <shell/e-shell.h>
#include <e-util/e-extension.h>
#define CM_DBUS_SERVICE "org.moblin.connman"
#define CM_DBUS_INTERFACE "org.moblin.connman.Manager"
#define CM_DBUS_PATH "/"
/* Standard GObject macros */
#define E_TYPE_CONNMAN \
(e_connman_get_type ())
#define E_CONNMAN(obj) \
(G_TYPE_CHECK_INSTANCE_CAST \
((obj), E_TYPE_CONNMAN, EConnMan))
typedef struct {
EExtension parent;
DBusConnection *connection;
} EConnMan;
typedef EExtensionClass EConnManClass;
/* Module Entry Points */
void e_module_load (GTypeModule *type_module);
void e_module_unload (GTypeModule *type_module);
/* Forward Declarations */
GType e_connman_get_type (void);
static gboolean network_manager_connect (EConnMan *extension);
G_DEFINE_DYNAMIC_TYPE (EConnMan, e_connman, E_TYPE_EXTENSION)
static void
extension_set_state (EConnMan *extension, const char *state)
{
EExtensible *extensible;
extensible = e_extension_get_extensible (E_EXTENSION (extension));
g_return_if_fail (E_IS_SHELL (extensible));
e_shell_set_network_available (E_SHELL (extensible), !g_strcmp0 (state, "online"));
}
static DBusHandlerResult
connman_monitor (DBusConnection *connection G_GNUC_UNUSED,
DBusMessage *message,
gpointer user_data)
{
char *value;
EConnMan *extension = user_data;
DBusError error = DBUS_ERROR_INIT;
DBusHandlerResult ret = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
if (!dbus_message_has_path (message, CM_DBUS_PATH) ||
!dbus_message_has_interface (message, CM_DBUS_INTERFACE) ||
!dbus_message_has_sender (message, CM_DBUS_SERVICE) ||
!dbus_message_has_member (message, "StateChanged"))
goto err_exit;
if (!dbus_message_get_args (message, &error,
DBUS_TYPE_STRING, &value,
DBUS_TYPE_INVALID))
goto err_exit;
extension_set_state (extension, value);
ret = DBUS_HANDLER_RESULT_HANDLED;
err_exit:
return ret;
}
static void
connman_check_initial_state (EConnMan *extension)
{
DBusMessage *message = NULL;
DBusMessage *response = NULL;
DBusError error = DBUS_ERROR_INIT;
message = dbus_message_new_method_call (
CM_DBUS_SERVICE, CM_DBUS_PATH, CM_DBUS_INTERFACE, "GetState");
/* XXX Assuming this should be safe to call synchronously. */
response = dbus_connection_send_with_reply_and_block (
extension->connection, message, 100, &error);
if (response != NULL) {
const char *value;
if (dbus_message_get_args (message, &error,
DBUS_TYPE_STRING, &value,
DBUS_TYPE_INVALID))
extension_set_state (extension, value);
} else {
g_warning ("%s", error.message);
dbus_error_free (&error);
return;
}
dbus_message_unref (message);
dbus_message_unref (response);
}
static gboolean
network_manager_connect (EConnMan *extension)
{
DBusError error = DBUS_ERROR_INIT;
/* This is a timeout callback, so the return value denotes
* whether to reschedule, not whether we're successful. */
if (extension->connection != NULL)
return FALSE;
extension->connection = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
if (extension->connection == NULL) {
g_warning ("%s", error.message);
dbus_error_free (&error);
return TRUE;
}
dbus_connection_setup_with_g_main (extension->connection, NULL);
dbus_connection_set_exit_on_disconnect (extension->connection, FALSE);
if (!dbus_connection_add_filter (
extension->connection, connman_monitor, extension, NULL))
goto fail;
dbus_bus_add_match (
extension->connection,
"type='signal',"
"interface='" CM_DBUS_INTERFACE "',"
"sender='" CM_DBUS_SERVICE "',"
"member='StateChanged',"
"path='" CM_DBUS_PATH "'",
&error);
if (dbus_error_is_set (&error)) {
g_warning ("%s", error.message);
dbus_error_free (&error);
goto fail;
}
connman_check_initial_state (extension);
return FALSE;
fail:
dbus_connection_unref (extension->connection);
extension->connection = NULL;
return TRUE;
}
static void
network_manager_constructed (GObject *object)
{
network_manager_connect (E_CONNMAN (object));
}
static void
e_connman_class_init (EConnManClass *class)
{
GObjectClass *object_class;
EExtensionClass *extension_class;
object_class = G_OBJECT_CLASS (class);
object_class->constructed = network_manager_constructed;
extension_class = E_EXTENSION_CLASS (class);
extension_class->extensible_type = E_TYPE_SHELL;
}
static void
e_connman_class_finalize (EConnManClass *class)
{
}
static void
e_connman_init (EConnMan *extension)
{
}
G_MODULE_EXPORT void
e_module_load (GTypeModule *type_module)
{
e_connman_register_type (type_module);
}
G_MODULE_EXPORT void
e_module_unload (GTypeModule *type_module)
{
}
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