examples/drivers/metadata/fuchsia.examples.metadata/fuchsia.examples.metadata.fidl

// Copyright 2024 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
@available(added=HEAD)
library fuchsia.examples.metadata;

using zx;

// Type of the metadata to be passed.
@serializable
type Metadata = table {
    1: test_property string:MAX;
};

// Implemented by the driver that will be sending metadata using the
// //sdk/lib/driver/metadata library. Used only for testing.
closed protocol Sender {
    /// Create a child node and serve |metadata| using a `fdf_metadata::MetadataServer` to that
    /// child node.
    strict ServeMetadata(struct {
        metadata Metadata;
    }) -> () error zx.Status;
};

service SenderService {
    device client_end:Sender;
};

// Implemented by the driver that will retrieve metadata using the
// //sdk/lib/driver/metadata library. Used only for testing.
closed protocol Retriever {
    // Get the metadata offered by the driver's parent using the
    // //sdk/lib/driver/metadata library.
    strict GetMetadata() -> (struct {
        metadata Metadata;
    }) error zx.Status;
};

service RetrieverService {
    device client_end:Retriever;
};