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); -} |