routing/bedrock/
aggregate_router.rs

1// Copyright 2025 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use crate::capability_source::{AggregateInstance, CapabilitySource};
6use cm_types::Name;
7use sandbox::{DirEntry, Router};
8use std::sync::Arc;
9
10/// Functions of this signature are used during sandbox to construct new aggregate routers. These
11/// aggregate routers synthesize together one capability from multiple sources.
12pub type AggregateRouterFn<C> =
13    dyn Fn(Arc<C>, Vec<AggregateSource>, CapabilitySource) -> Router<DirEntry>;
14
15/// An `AggregateSource` describes the source of one (or more) service capabilities whose instances
16/// will be added to an aggregated service.
17#[derive(Debug, Clone)]
18pub enum AggregateSource {
19    /// A router to a single service capability provider, whose published instances will be part of
20    /// an aggregate.
21    DirectoryRouter {
22        /// Where the router comes from, be it a parent, child, etc.
23        source_instance: AggregateInstance,
24        /// The router that will back this source to the aggregate.
25        router: Router<DirEntry>,
26    },
27    /// A collection whose dynamically created components may contribute to an aggregate.
28    Collection { collection_name: Name },
29}
routing/bedrock/aggregate_router.rs

routing/bedrock/
aggregate_router.rs
