diff options
Diffstat (limited to 'src/libnm-core-impl/nm-dbus-utils.c')
| -rw-r--r-- | src/libnm-core-impl/nm-dbus-utils.c | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/src/libnm-core-impl/nm-dbus-utils.c b/src/libnm-core-impl/nm-dbus-utils.c deleted file mode 100644 index c9443ff9..00000000 --- a/src/libnm-core-impl/nm-dbus-utils.c +++ /dev/null @@ -1,259 +0,0 @@ -/* SPDX-License-Identifier: LGPL-2.1-or-later */ -/* - * Copyright (C) 2015 Red Hat, Inc. - */ - -#include "libnm-core-impl/nm-default-libnm-core.h" - -#include "libnm-core-intern/nm-core-internal.h" - -typedef struct { - char *signal_name; - const GVariantType *signature; -} NMDBusSignalData; - -static void -dbus_signal_data_free(gpointer data, GClosure *closure) -{ - NMDBusSignalData *sd = data; - - g_free(sd->signal_name); - g_slice_free(NMDBusSignalData, sd); -} - -static void -dbus_signal_meta_marshal(GClosure *closure, - GValue *return_value, - guint n_param_values, - const GValue *param_values, - gpointer invocation_hint, - gpointer marshal_data) -{ - NMDBusSignalData *sd = marshal_data; - const char *signal_name; - GVariant *parameters, *param; - GValue *closure_params; - gsize n_params, i; - - g_return_if_fail(n_param_values == 4); - - signal_name = g_value_get_string(¶m_values[2]); - parameters = g_value_get_variant(¶m_values[3]); - - if (strcmp(signal_name, sd->signal_name) != 0) - return; - - if (sd->signature) { - if (!g_variant_is_of_type(parameters, sd->signature)) { - g_warning("%p: got signal '%s' but parameters were of type '%s', not '%s'", - g_value_get_object(¶m_values[0]), - signal_name, - g_variant_get_type_string(parameters), - g_variant_type_peek_string(sd->signature)); - return; - } - - n_params = g_variant_n_children(parameters) + 1; - } else - n_params = 1; - - closure_params = g_new0(GValue, n_params); - g_value_init(&closure_params[0], G_TYPE_OBJECT); - g_value_copy(¶m_values[0], &closure_params[0]); - - for (i = 1; i < n_params; i++) { - param = g_variant_get_child_value(parameters, i - 1); - if (g_variant_is_of_type(param, G_VARIANT_TYPE("ay")) - || g_variant_is_of_type(param, G_VARIANT_TYPE("aay"))) { - /* g_dbus_gvariant_to_gvalue() thinks 'ay' means "non-UTF-8 NUL-terminated string" */ - g_value_init(&closure_params[i], G_TYPE_VARIANT); - g_value_set_variant(&closure_params[i], param); - } else - g_dbus_gvariant_to_gvalue(param, &closure_params[i]); - g_variant_unref(param); - } - - g_cclosure_marshal_generic(closure, NULL, n_params, closure_params, invocation_hint, NULL); - - for (i = 0; i < n_params; i++) - g_value_unset(&closure_params[i]); - g_free(closure_params); -} - -/** - * _nm_dbus_signal_connect_data: - * @proxy: a #GDBusProxy - * @signal_name: the D-Bus signal to connect to - * @signature: (allow-none): the signal's type signature (must be a tuple) - * @c_handler: the signal handler function - * @data: (allow-none): data to pass to @c_handler - * @destroy_data: (allow-none): closure destroy notify for @data - * @connect_flags: connection flags - * - * Connects to the D-Bus signal @signal_name on @proxy. @c_handler must be a - * void function whose first argument is a #GDBusProxy, followed by arguments - * for each element of @signature, ending with a #gpointer argument for @data. - * - * The argument types in @c_handler correspond to the types output by - * g_dbus_gvariant_to_gvalue(), except for 'ay' and 'aay'. In particular: - * - both 16-bit and 32-bit integers are passed as #int/#guint - * - 'as' values are passed as #GStrv (char **) - * - all other array, tuple, and dict types are passed as #GVariant - * - * If @signature is %NULL, then the signal's parameters will be ignored, and - * @c_handler should take only the #GDBusProxy and #gpointer arguments. - * - * Returns: the signal handler ID, which can be used with - * g_signal_handler_remove(). Beware that because of the way the signal is - * connected, you will not be able to remove it with - * g_signal_handlers_disconnect_by_func(), although - * g_signal_handlers_disconnect_by_data() will work correctly. - */ -gulong -_nm_dbus_signal_connect_data(GDBusProxy *proxy, - const char *signal_name, - const GVariantType *signature, - GCallback c_handler, - gpointer data, - GClosureNotify destroy_data, - GConnectFlags connect_flags) -{ - NMDBusSignalData *sd; - GClosure *closure; - gboolean swapped = !!(connect_flags & G_CONNECT_SWAPPED); - gboolean after = !!(connect_flags & G_CONNECT_AFTER); - - g_return_val_if_fail(G_IS_DBUS_PROXY(proxy), 0); - g_return_val_if_fail(signal_name != NULL, 0); - g_return_val_if_fail(signature == NULL || g_variant_type_is_tuple(signature), 0); - g_return_val_if_fail(c_handler != NULL, 0); - - sd = g_slice_new(NMDBusSignalData); - sd->signal_name = g_strdup(signal_name); - sd->signature = signature; - - closure = (swapped ? g_cclosure_new_swap : g_cclosure_new)(c_handler, data, destroy_data); - g_closure_set_marshal(closure, g_cclosure_marshal_generic); - g_closure_set_meta_marshal(closure, sd, dbus_signal_meta_marshal); - g_closure_add_finalize_notifier(closure, sd, dbus_signal_data_free); - - return g_signal_connect_closure(proxy, "g-signal", closure, after); -} - -/** - * _nm_dbus_signal_connect: - * @proxy: a #GDBusProxy - * @signal_name: the D-Bus signal to connect to - * @signature: the signal's type signature (must be a tuple) - * @c_handler: the signal handler function - * @data: (allow-none): data to pass to @c_handler - * - * Simplified version of _nm_dbus_signal_connect_data() with fewer arguments. - * - * Returns: the signal handler ID, as with _nm_signal_connect_data(). - */ - -/** - * _nm_dbus_typecheck_response: - * @response: the #GVariant response to check. - * @reply_type: the expected reply type. It may be %NULL to perform no - * checking. - * @error: (allow-none): the error in case the @reply_type does not match. - * - * Returns: %TRUE, if @response is of the expected @reply_type. - */ -gboolean -_nm_dbus_typecheck_response(GVariant *response, const GVariantType *reply_type, GError **error) -{ - g_return_val_if_fail(response, FALSE); - - if (!reply_type) - return TRUE; - if (g_variant_is_of_type(response, reply_type)) - return TRUE; - - /* This is the same error code that g_dbus_connection_call() returns if - * @reply_type doesn't match. - */ - g_set_error(error, - G_IO_ERROR, - G_IO_ERROR_INVALID_ARGUMENT, - _("Method returned type '%s', but expected '%s'"), - g_variant_get_type_string(response), - g_variant_type_peek_string(reply_type)); - return FALSE; -} - -/** - * _nm_dbus_proxy_call_finish: - * @proxy: A #GDBusProxy. - * @res: A #GAsyncResult obtained from the #GAsyncReadyCallback passed to - * g_dbus_proxy_call(). - * @reply_type: (allow-none): the expected type of the reply, or %NULL - * @error: Return location for error or %NULL. - * - * Finishes an operation started with g_dbus_proxy_call(), as with - * g_dbus_proxy_call_finish(), except thatif @reply_type is non-%NULL, then it - * will also check that the response matches that type signature, and return - * an error if not. - * - * Returns: %NULL if @error is set. Otherwise, a #GVariant tuple with - * return values. Free with g_variant_unref(). - */ -GVariant * -_nm_dbus_proxy_call_finish(GDBusProxy *proxy, - GAsyncResult *res, - const GVariantType *reply_type, - GError **error) -{ - GVariant *variant; - - variant = g_dbus_proxy_call_finish(proxy, res, error); - if (variant && !_nm_dbus_typecheck_response(variant, reply_type, error)) - nm_clear_pointer(&variant, g_variant_unref); - return variant; -} - -GVariant * -_nm_dbus_connection_call_finish(GDBusConnection *dbus_connection, - GAsyncResult *result, - const GVariantType *reply_type, - GError **error) -{ - GVariant *variant; - - variant = g_dbus_connection_call_finish(dbus_connection, result, error); - if (variant && !_nm_dbus_typecheck_response(variant, reply_type, error)) - nm_clear_pointer(&variant, g_variant_unref); - return variant; -} - -/** - * _nm_dbus_error_has_name: - * @error: (allow-none): a #GError, or %NULL - * @dbus_error_name: a D-Bus error name - * - * Checks if @error is set and corresponds to the D-Bus error @dbus_error_name. - * - * This should only be used for "foreign" D-Bus errors (eg, errors - * from BlueZ or wpa_supplicant). All NetworkManager D-Bus errors - * should be properly mapped by gdbus to one of the domains/codes in - * nm-errors.h. - * - * Returns: %TRUE or %FALSE - */ -gboolean -_nm_dbus_error_has_name(GError *error, const char *dbus_error_name) -{ - gboolean has_name = FALSE; - - if (error && g_dbus_error_is_remote_error(error)) { - char *error_name; - - error_name = g_dbus_error_get_remote_error(error); - has_name = !g_strcmp0(error_name, dbus_error_name); - g_free(error_name); - } - - return has_name; -} |