diff options
Diffstat (limited to 'common/dbus.c')
| -rw-r--r-- | common/dbus.c | 385 | 
1 files changed, 0 insertions, 385 deletions
diff --git a/common/dbus.c b/common/dbus.c index beb97a07..4ea56c9f 100644 --- a/common/dbus.c +++ b/common/dbus.c @@ -48,35 +48,9 @@  #include "dbus.h"  #include "logging.h" -#define DISPATCH_TIMEOUT	0 -  static guint listener_id = 0;  static GSList *name_listeners = NULL; -#ifndef HAVE_DBUS_GLIB -typedef struct { -	uint32_t id; -	DBusTimeout *timeout; -} timeout_handler_t; - -struct watch_info { -	guint watch_id; -	GIOChannel *io; -	DBusConnection *conn; -}; - -struct server_info { -	guint watch_id; -	GIOChannel *io; -	DBusServer *server; -}; -#endif - -struct disconnect_data { -	void (*disconnect_cb)(void *); -	void *user_data; -}; -  struct name_callback {  	name_cb_t func;  	void *user_data; @@ -415,362 +389,3 @@ int name_listener_indicate_disconnect(DBusConnection *connection)  	return 0;  } - -static DBusHandlerResult disconnect_filter(DBusConnection *conn, -						DBusMessage *msg, void *data) -{ -	struct disconnect_data *dc_data = data; - -	if (dbus_message_is_signal(msg, -			DBUS_INTERFACE_LOCAL, "Disconnected") == TRUE) { -		error("Got disconnected from the system message bus"); -		dbus_connection_unref(conn); -		dc_data->disconnect_cb(dc_data->user_data); -	} - -	return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; -} - -#ifndef HAVE_DBUS_GLIB -static dbus_int32_t server_slot = -1; - -static gboolean server_func(GIOChannel *chan, GIOCondition cond, gpointer data) -{ -	DBusWatch *watch = data; -	int flags = 0; - -	if (cond & G_IO_IN)  flags |= DBUS_WATCH_READABLE; -	if (cond & G_IO_OUT) flags |= DBUS_WATCH_WRITABLE; -	if (cond & G_IO_HUP) flags |= DBUS_WATCH_HANGUP; -	if (cond & G_IO_ERR) flags |= DBUS_WATCH_ERROR; - -	dbus_watch_handle(watch, flags); - -	return TRUE; -} - -static dbus_bool_t add_server(DBusWatch *watch, void *data) -{ -	GIOCondition cond = G_IO_HUP | G_IO_ERR; -	DBusServer *server = data; -	struct server_info *info; -	int fd, flags; - -	if (!dbus_watch_get_enabled(watch)) -		return TRUE; - -	info = g_new(struct server_info, 1); - -	fd = dbus_watch_get_unix_fd(watch); -	info->io = g_io_channel_unix_new(fd); -	info->server = dbus_server_ref(server); - -	dbus_watch_set_data(watch, info, NULL); - -	flags = dbus_watch_get_flags(watch); - -	if (flags & DBUS_WATCH_READABLE) cond |= G_IO_IN; -	if (flags & DBUS_WATCH_WRITABLE) cond |= G_IO_OUT; - -	info->watch_id = g_io_add_watch(info->io, cond, server_func, watch); - -	return TRUE; -} - -static void remove_server(DBusWatch *watch, void *data) -{ -	struct server_info *info = dbus_watch_get_data(watch); - -	dbus_watch_set_data(watch, NULL, NULL); - -	if (info) { -		g_source_remove(info->watch_id); -		g_io_channel_unref(info->io); -		dbus_server_unref(info->server); -		g_free(info); -	} -} - -static void server_toggled(DBusWatch *watch, void *data) -{ -	/* Because we just exit on OOM, enable/disable is -	 * no different from add/remove */ -	if (dbus_watch_get_enabled(watch)) -		add_server(watch, data); -	else -		remove_server(watch, data); -} - -static gboolean message_dispatch_cb(void *data) -{ -	DBusConnection *connection = data; - -	dbus_connection_ref(connection); - -	/* Dispatch messages */ -	while (dbus_connection_dispatch(connection) == DBUS_DISPATCH_DATA_REMAINS); - -	dbus_connection_unref(connection); - -	return FALSE; -} - -static gboolean watch_func(GIOChannel *chan, GIOCondition cond, gpointer data) -{ -	DBusWatch *watch = data; -	struct watch_info *info = dbus_watch_get_data(watch); -	int flags = 0; - -	if (cond & G_IO_IN)  flags |= DBUS_WATCH_READABLE; -	if (cond & G_IO_OUT) flags |= DBUS_WATCH_WRITABLE; -	if (cond & G_IO_HUP) flags |= DBUS_WATCH_HANGUP; -	if (cond & G_IO_ERR) flags |= DBUS_WATCH_ERROR; - -	dbus_watch_handle(watch, flags); - -	if (dbus_connection_get_dispatch_status(info->conn) == DBUS_DISPATCH_DATA_REMAINS) -		g_timeout_add(DISPATCH_TIMEOUT, message_dispatch_cb, info->conn); - -	return TRUE; -} - -static dbus_bool_t add_watch(DBusWatch *watch, void *data) -{ -	GIOCondition cond = G_IO_HUP | G_IO_ERR; -	DBusConnection *conn = data; -	struct watch_info *info; -	int fd, flags; - -	if (!dbus_watch_get_enabled(watch)) -		return TRUE; - -	info = g_new(struct watch_info, 1); - -	fd = dbus_watch_get_unix_fd(watch); -	info->io = g_io_channel_unix_new(fd); -	info->conn = dbus_connection_ref(conn); - -	dbus_watch_set_data(watch, info, NULL); - -	flags = dbus_watch_get_flags(watch); - -	if (flags & DBUS_WATCH_READABLE) cond |= G_IO_IN; -	if (flags & DBUS_WATCH_WRITABLE) cond |= G_IO_OUT; - -	info->watch_id = g_io_add_watch(info->io, cond, watch_func, watch); - -	return TRUE; -} - -static void remove_watch(DBusWatch *watch, void *data) -{ -	struct watch_info *info = dbus_watch_get_data(watch); - -	dbus_watch_set_data(watch, NULL, NULL); - -	if (info) { -		g_source_remove(info->watch_id); -		g_io_channel_unref(info->io); -		dbus_connection_unref(info->conn); -		g_free(info); -	} -} - -static void watch_toggled(DBusWatch *watch, void *data) -{ -	/* Because we just exit on OOM, enable/disable is -	 * no different from add/remove */ -	if (dbus_watch_get_enabled(watch)) -		add_watch(watch, data); -	else -		remove_watch(watch, data); -} - -static gboolean timeout_handler_dispatch(gpointer data) -{ -	timeout_handler_t *handler = data; - -	/* if not enabled should not be polled by the main loop */ -	if (dbus_timeout_get_enabled(handler->timeout) != TRUE) -		return FALSE; - -	dbus_timeout_handle(handler->timeout); - -	return FALSE; -} - -static void timeout_handler_free(void *data) -{ -	timeout_handler_t *handler = data; -	if (!handler) -		return; - -	g_source_remove(handler->id); -	g_free(handler); -} - -static dbus_bool_t add_timeout(DBusTimeout *timeout, void *data) -{ -	timeout_handler_t *handler; - -	if (!dbus_timeout_get_enabled(timeout)) -		return TRUE; - -	handler = g_new0(timeout_handler_t, 1); - -	handler->timeout = timeout; -	handler->id = g_timeout_add(dbus_timeout_get_interval(timeout), -					timeout_handler_dispatch, handler); - -	dbus_timeout_set_data(timeout, handler, timeout_handler_free); - -	return TRUE; -} - -static void remove_timeout(DBusTimeout *timeout, void *data) -{ -} - -static void timeout_toggled(DBusTimeout *timeout, void *data) -{ -	if (dbus_timeout_get_enabled(timeout)) -		add_timeout(timeout, data); -	else -		remove_timeout(timeout, data); -} - -static void dispatch_status_cb(DBusConnection *conn, -				DBusDispatchStatus new_status, void *data) -{ -	if (!dbus_connection_get_is_connected(conn)) -		return; - -	if (new_status == DBUS_DISPATCH_DATA_REMAINS) -		g_timeout_add(DISPATCH_TIMEOUT, message_dispatch_cb, data); -} -#endif - -void setup_dbus_server_with_main_loop(DBusServer *server) -{ -#ifdef HAVE_DBUS_GLIB -	debug("Using D-Bus GLib server setup"); - -	dbus_server_setup_with_g_main(server, NULL); -#else -	dbus_server_allocate_data_slot(&server_slot); -	if (server_slot < 0) -		return; - -	dbus_server_set_data(server, server_slot, server, NULL); - -	dbus_server_set_watch_functions(server, add_server, remove_server, -						server_toggled, server, NULL); - -	dbus_server_set_timeout_functions(server, add_timeout, remove_timeout, -						timeout_toggled, server, NULL); -#endif -} - -void setup_dbus_with_main_loop(DBusConnection *conn) -{ -#ifdef HAVE_DBUS_GLIB -	debug("Using D-Bus GLib connection setup"); - -	dbus_connection_setup_with_g_main(conn, NULL); -#else -	dbus_connection_set_watch_functions(conn, add_watch, remove_watch, -						watch_toggled, conn, NULL); - -	dbus_connection_set_timeout_functions(conn, add_timeout, remove_timeout, -						timeout_toggled, conn, NULL); - -	dbus_connection_set_dispatch_status_function(conn, dispatch_status_cb, -								conn, NULL); -#endif -} - -DBusConnection *init_dbus(const char *name, -				void (*disconnect_cb)(void *), void *user_data) -{ -	struct disconnect_data *dc_data; -	DBusConnection *conn; -	DBusError err; - -	dbus_error_init(&err); - -	conn = dbus_bus_get(DBUS_BUS_SYSTEM, &err); - -	if (dbus_error_is_set(&err)) { -		error("Can't connect to system message bus: %s", err.message); -		dbus_error_free(&err); -		return NULL; -	} - -	setup_dbus_with_main_loop(conn); - -	if (name) { -		dbus_error_init(&err); - -		if (dbus_bus_request_name(conn, name, 0, &err) != -				DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER ) { -			error("Could not become the primary owner of %s", name); -			dbus_connection_unref(conn); -			return NULL; -		} - -		if (dbus_error_is_set(&err)) { -			error("Can't get bus name %s: %s", name, err.message); -			dbus_error_free(&err); -			dbus_connection_unref(conn); -			return NULL; -		} -	} - -	if (!disconnect_cb) -		return conn; - -	dc_data = g_new(struct disconnect_data, 1); - -	dc_data->disconnect_cb = disconnect_cb; -	dc_data->user_data = user_data; - -	dbus_connection_set_exit_on_disconnect(conn, FALSE); - -	if (!dbus_connection_add_filter(conn, disconnect_filter, -				dc_data, g_free)) { -		error("Can't add D-Bus disconnect filter"); -		g_free(dc_data); -		dbus_connection_unref(conn); -		return NULL; -	} - -	return conn; -} - -DBusConnection *init_dbus_direct(const char *address) -{ -	DBusConnection *conn; -	DBusError err; - -	dbus_error_init(&err); - -	conn = dbus_connection_open(address, &err); - -	if (dbus_error_is_set(&err)) { -		error("Can't connect to message server: %s", err.message); -		dbus_error_free(&err); -		return NULL; -	} - -	setup_dbus_with_main_loop(conn); - -	dbus_connection_set_exit_on_disconnect(conn, FALSE); - -	return conn; -} - -DBusConnection *dbus_bus_system_setup_with_main_loop(const char *name, -				void (*disconnect_cb)(void *), void *user_data) -{ -	return init_dbus(name, disconnect_cb, user_data); -}  | 
