public/fidl/fuchsia.sys2/decls/expose_decl.fidl

// Copyright 2019 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.

library fuchsia.sys2;

/// Declares a capability exposed to a component's containing realm, such as a
/// service exposed by the component or one of its children at runtime.
table ExposeDecl {
    /// The type of capability exposed.
    1: CapabilityType type;

    /// The incoming path to the capability.
    ///
    /// If |source| == |SELF|, this is a path in the component’s namespace.
    /// Otherwise, it is the path by which the capability was presented to the
    /// component.
    2: string:MAX_PATH_LENGTH source_path;

    /// The provider of the service relative to the component itself.
    ///
    /// Valid relations: SELF, CHILD.
    3: RelativeId source;

    /// The path by which the capability is being exposed.
    4: string:MAX_PATH_LENGTH target_path;
};