137 lines
4.0 KiB
C
137 lines
4.0 KiB
C
/*
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* LASH
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*
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* Copyright (C) 2008 Nedko Arnaudov <nedko@arnaudov.name>
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* Copyright (C) 2008 Juuso Alasuutari <juuso.alasuutari@gmail.com>
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <string.h>
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#include <dbus/dbus.h>
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#include "dbus_service.h"
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#include "server.h"
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#include "dbus_iface_server.h"
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#include "dbus_iface_control.h"
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#include "../common/debug.h"
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#include "../dbus/object_path.h"
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#include "client.h"
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static DBusHandlerResult
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lashd_client_disconnect_handler(DBusConnection *conn,
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DBusMessage *msg,
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void *data);
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/* The appropriate destructor is service_destroy() in dbus/service.c */
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service_t *
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lashd_dbus_service_new(void)
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{
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service_t *service;
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DBusError err;
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// TODO: move service name into public header
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service = service_new("org.nongnu.LASH", &g_server->quit,
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1,
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object_path_new("/", NULL, 2,
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&g_lashd_interface_server,
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&g_lashd_interface_control,
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NULL),
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NULL);
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if (!service) {
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lash_error("Failed to create D-Bus service");
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return NULL;
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}
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dbus_error_init(&err);
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dbus_bus_add_match(service->connection,
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"type='signal'"
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",sender='org.freedesktop.DBus'"
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",path='/org/freedesktop/DBus'"
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",interface='org.freedesktop.DBus'"
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",member='NameOwnerChanged'"
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",arg2=''",
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&err);
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if (dbus_error_is_set(&err)) {
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lash_error("Failed to add D-Bus match rule: %s", err.message);
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dbus_error_free(&err);
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goto fail;
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}
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if (!dbus_connection_add_filter(service->connection,
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lashd_client_disconnect_handler,
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NULL, NULL)) {
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lash_error("Failed to add D-Bus filter");
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goto fail;
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}
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return service;
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fail:
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service_destroy(service);
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return NULL;
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}
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static DBusHandlerResult
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lashd_client_disconnect_handler(DBusConnection *connection,
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DBusMessage *message,
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void *data)
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{
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/* If the message isn't a signal the object path handler may use it */
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if (dbus_message_get_type(message) != DBUS_MESSAGE_TYPE_SIGNAL)
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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const char *member, *name, *old_name;
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struct lash_client *client;
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DBusError err;
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if (!(member = dbus_message_get_member(message))) {
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lash_error("Received JACK signal with NULL member");
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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if (strcmp(member, "NameOwnerChanged") != 0)
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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dbus_error_init(&err);
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if (!dbus_message_get_args(message, &err,
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DBUS_TYPE_STRING, &name,
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DBUS_TYPE_STRING, &old_name,
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DBUS_TYPE_INVALID)) {
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lash_error("Cannot get message arguments: %s",
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err.message);
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dbus_error_free(&err);
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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client = server_find_client_by_dbus_name(old_name);
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if (client)
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{
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client_disconnected(client);
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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else
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{
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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}
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}
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/* EOF */
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