53bc6ffc53
The EModule, EExtensible and EExtension classes as well as the e_type_traverse() function have been moved to Evolution-Data-Server's libebackend library to replace e-data-server-module.c. Now Evolution-Data-Server modules use the same framework as Evolution.
283 lines
6.8 KiB
C
283 lines
6.8 KiB
C
/*
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* evolution-network-manager.c
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) version 3.
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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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the program; if not, see <http://www.gnu.org/licenses/>
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*
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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 <gio/gio.h>
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#include <libebackend/e-extension.h>
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#include <NetworkManager/NetworkManager.h>
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#if !defined(NM_CHECK_VERSION)
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#define NM_CHECK_VERSION(x,y,z) 0
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#endif
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#include <shell/e-shell.h>
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/* Standard GObject macros */
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#define E_TYPE_NETWORK_MANAGER \
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(e_network_manager_get_type ())
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#define E_NETWORK_MANAGER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST \
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((obj), E_TYPE_NETWORK_MANAGER, ENetworkManager))
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typedef struct _ENetworkManager ENetworkManager;
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typedef struct _ENetworkManagerClass ENetworkManagerClass;
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struct _ENetworkManager {
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EExtension parent;
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GDBusConnection *connection;
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};
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struct _ENetworkManagerClass {
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EExtensionClass parent_class;
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};
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/* Module Entry Points */
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void e_module_load (GTypeModule *type_module);
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void e_module_unload (GTypeModule *type_module);
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/* Forward Declarations */
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GType e_network_manager_get_type (void);
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static gboolean network_manager_connect (ENetworkManager *extension);
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G_DEFINE_DYNAMIC_TYPE (ENetworkManager, e_network_manager, E_TYPE_EXTENSION)
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static EShell *
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network_manager_get_shell (ENetworkManager *extension)
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{
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EExtensible *extensible;
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extensible = e_extension_get_extensible (E_EXTENSION (extension));
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return E_SHELL (extensible);
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}
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static void
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nm_connection_closed_cb (GDBusConnection *connection,
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gboolean remote_peer_vanished,
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GError *error,
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ENetworkManager *extension)
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{
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gboolean try_again;
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g_object_unref (extension->connection);
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extension->connection = NULL;
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/* Try connecting to the session bus immediately, and then
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* keep trying at 3 second intervals until we're back on. */
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try_again = network_manager_connect (extension);
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if (try_again)
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g_timeout_add_seconds (
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3, (GSourceFunc) network_manager_connect, extension);
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}
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static void
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network_manager_handle_state (EShell *shell,
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guint32 state)
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{
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switch (state) {
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#if NM_CHECK_VERSION(0,8,992)
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case NM_STATE_CONNECTED_LOCAL:
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case NM_STATE_CONNECTED_SITE:
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case NM_STATE_CONNECTED_GLOBAL:
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#else
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case NM_STATE_CONNECTED:
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#endif
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e_shell_set_network_available (shell, TRUE);
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break;
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case NM_STATE_ASLEEP:
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case NM_STATE_DISCONNECTED:
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#if NM_CHECK_VERSION(0,8,992)
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case NM_STATE_DISCONNECTING:
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#endif
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e_shell_set_network_available (shell, FALSE);
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break;
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default:
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break;
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}
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}
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static void
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network_manager_signal_cb (GDBusConnection *connection,
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const gchar *sender_name,
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const gchar *object_path,
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const gchar *interface_name,
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const gchar *signal_name,
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GVariant *parameters,
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gpointer user_data)
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{
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ENetworkManager *extension = user_data;
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EShell *shell;
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guint32 state;
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shell = network_manager_get_shell (extension);
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if (g_strcmp0 (interface_name, NM_DBUS_INTERFACE) != 0
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|| g_strcmp0 (signal_name, "StateChanged") != 0)
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return;
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g_variant_get (parameters, "(u)", &state);
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network_manager_handle_state (shell, state);
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}
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static void
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network_manager_query_state (ENetworkManager *extension)
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{
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EShell *shell;
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GDBusMessage *message = NULL;
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GDBusMessage *response = NULL;
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GVariant *body;
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guint32 state = -1;
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GError *error = NULL;
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shell = network_manager_get_shell (extension);
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message = g_dbus_message_new_method_call (
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NM_DBUS_SERVICE, NM_DBUS_PATH, NM_DBUS_INTERFACE, "state");
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/* XXX Assuming this should be safe to call synchronously. */
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response = g_dbus_connection_send_message_with_reply_sync (
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extension->connection, message,
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G_DBUS_SEND_MESSAGE_FLAGS_NONE, 100, NULL, NULL, &error);
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if (response != NULL) {
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if (g_dbus_message_to_gerror (response, &error)) {
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g_object_unref (response);
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response = NULL;
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}
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}
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g_object_unref (message);
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if (error != NULL) {
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g_warning ("%s: %s", G_STRFUNC, error->message);
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g_error_free (error);
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return;
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}
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g_return_if_fail (G_IS_DBUS_MESSAGE (response));
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body = g_dbus_message_get_body (response);
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g_variant_get (body, "(u)", &state);
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network_manager_handle_state (shell, state);
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g_object_unref (response);
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}
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static gboolean
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network_manager_connect (ENetworkManager *extension)
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{
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GError *error = NULL;
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/* This is a timeout callback, so the return value denotes
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* whether to reschedule, not whether we're successful. */
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if (extension->connection != NULL)
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return FALSE;
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extension->connection =
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g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
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if (error != NULL) {
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g_warning ("%s: %s", G_STRFUNC, error->message);
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g_error_free (error);
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return TRUE;
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}
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g_return_val_if_fail (
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G_IS_DBUS_CONNECTION (extension->connection), FALSE);
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g_dbus_connection_set_exit_on_close (extension->connection, FALSE);
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if (!g_dbus_connection_signal_subscribe (
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extension->connection,
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NM_DBUS_SERVICE,
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NM_DBUS_INTERFACE,
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NULL,
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NM_DBUS_PATH,
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NULL,
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G_DBUS_SIGNAL_FLAGS_NONE,
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network_manager_signal_cb,
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extension,
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NULL)) {
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g_warning ("%s: Failed to subscribe for a signal", G_STRFUNC);
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goto fail;
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}
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g_signal_connect (
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extension->connection, "closed",
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G_CALLBACK (nm_connection_closed_cb), extension);
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network_manager_query_state (extension);
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return FALSE;
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fail:
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g_object_unref (extension->connection);
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extension->connection = NULL;
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return TRUE;
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}
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static void
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network_manager_constructed (GObject *object)
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{
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network_manager_connect (E_NETWORK_MANAGER (object));
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/* Chain up to parent's constructed() method. */
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G_OBJECT_CLASS (e_network_manager_parent_class)->constructed (object);
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}
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static void
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e_network_manager_class_init (ENetworkManagerClass *class)
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{
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GObjectClass *object_class;
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EExtensionClass *extension_class;
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object_class = G_OBJECT_CLASS (class);
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object_class->constructed = network_manager_constructed;
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extension_class = E_EXTENSION_CLASS (class);
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extension_class->extensible_type = E_TYPE_SHELL;
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}
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static void
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e_network_manager_class_finalize (ENetworkManagerClass *class)
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{
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}
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static void
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e_network_manager_init (ENetworkManager *extension)
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{
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}
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G_MODULE_EXPORT void
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e_module_load (GTypeModule *type_module)
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{
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e_network_manager_register_type (type_module);
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}
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G_MODULE_EXPORT void
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e_module_unload (GTypeModule *type_module)
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{
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}
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