_public_ int sd_bus_reply_method_return( sd_bus_message *call, const char *types, ...) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL; int r; assert_return(call, -EINVAL); assert_return(call->sealed, -EPERM); assert_return(call->header->type == SD_BUS_MESSAGE_METHOD_CALL, -EINVAL); assert_return(call->bus, -EINVAL); assert_return(!bus_pid_changed(call->bus), -ECHILD); if (!BUS_IS_OPEN(call->bus->state)) return -ENOTCONN; if (call->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED) return 0; r = sd_bus_message_new_method_return(call, &m); if (r < 0) return r; if (!isempty(types)) { va_list ap; va_start(ap, types); r = bus_message_append_ap(m, types, ap); va_end(ap); if (r < 0) return r; } return sd_bus_send(call->bus, m, NULL); }
_public_ int sd_bus_call_method( sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *error, sd_bus_message **reply, const char *types, ...) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL; int r; assert_return(bus, -EINVAL); assert_return(!bus_pid_changed(bus), -ECHILD); if (!BUS_IS_OPEN(bus->state)) return -ENOTCONN; r = sd_bus_message_new_method_call(bus, &m, destination, path, interface, member); if (r < 0) return r; if (!isempty(types)) { va_list ap; va_start(ap, types); r = bus_message_append_ap(m, types, ap); va_end(ap); if (r < 0) return r; } return sd_bus_call(bus, m, 0, error, reply); }
_public_ int sd_bus_emit_signal( sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL; int r; assert_return(bus, -EINVAL); assert_return(!bus_pid_changed(bus), -ECHILD); if (!BUS_IS_OPEN(bus->state)) return -ENOTCONN; r = sd_bus_message_new_signal(bus, &m, path, interface, member); if (r < 0) return r; if (!isempty(types)) { va_list ap; va_start(ap, types); r = bus_message_append_ap(m, types, ap); va_end(ap); if (r < 0) return r; } return sd_bus_send(bus, m, NULL); }
_public_ int sd_bus_set_property( sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *error, const char *type, ...) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL; va_list ap; int r; bus_assert_return(bus, -EINVAL, error); bus_assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL, error); bus_assert_return(member_name_is_valid(member), -EINVAL, error); bus_assert_return(signature_is_single(type, false), -EINVAL, error); bus_assert_return(!bus_pid_changed(bus), -ECHILD, error); if (!BUS_IS_OPEN(bus->state)) { r = -ENOTCONN; goto fail; } r = sd_bus_message_new_method_call(bus, &m, destination, path, "org.freedesktop.DBus.Properties", "Set"); if (r < 0) goto fail; r = sd_bus_message_append(m, "ss", strempty(interface), member); if (r < 0) goto fail; r = sd_bus_message_open_container(m, 'v', type); if (r < 0) goto fail; va_start(ap, type); r = bus_message_append_ap(m, type, ap); va_end(ap); if (r < 0) goto fail; r = sd_bus_message_close_container(m); if (r < 0) goto fail; return sd_bus_call(bus, m, 0, error, NULL); fail: return sd_bus_error_set_errno(error, r); }
_public_ int sd_bus_call_method_async( sd_bus *bus, sd_bus_slot **slot, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message_handler_t callback, void *userdata, const char *types, ...) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL; int r; assert_return(bus, -EINVAL); assert_return(!bus_pid_changed(bus), -ECHILD); if (!BUS_IS_OPEN(bus->state)) return -ENOTCONN; r = sd_bus_message_new_method_call(bus, &m, destination, path, interface, member); if (r < 0) return r; if (!isempty(types)) { va_list ap; va_start(ap, types); r = bus_message_append_ap(m, types, ap); va_end(ap); if (r < 0) return r; } return sd_bus_call_async(bus, slot, m, callback, userdata, 0); }