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Commit 54c8c292 authored by Jeremy Wu's avatar Jeremy Wu
Browse files

Floss: add util to use featured to query chrome flags 

This CL adds a simple utility to query chrome flags.

Bug: 317682584
Test: m Bluetooth
Flag: EXEMPT floss only changes
Change-Id: I8907614d16c634ac226d29a6201a213af5f91869
parent 8d9a7145

Cargo.toml

+6 −0
Original line number Diff line number Diff line
@@ -35,3 +35,9 @@ members = [ 
  "system/gd/rust/linux/utils",

  "floss/hcidoc",

]



[patch.crates-io]

# When building out of ChromiumOS, we do not actually use featured.

# Stub it to avoid downloading the platform2 repository.

# See also: https://github.com/rust-lang/cargo/issues/4544

featured = { path = "system/gd/rust/linux/repositories/featured_stub" } # ignored by ebuild

system/gd/rust/linux/repositories/featured_stub/Cargo.toml

0 → 100644
+5 −0
Original line number Diff line number Diff line 
[package]

name = "featured"

version = "0.1.0"

authors = ["The ChromiumOS Authors"]

edition = "2021"

system/gd/rust/linux/repositories/featured_stub/src/lib.rs

0 → 100644
+1 −0
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// Copyright 2024 The ChromiumOS Authors

system/gd/rust/linux/utils/Cargo.toml

+5 −0
Original line number Diff line number Diff line
@@ -17,9 +17,14 @@ name = "bt_utils" 
version = "0.0.1"

edition = "2021"



[features]

chromeos = ["featured"]



[dependencies]

bt_topshim = { path = "../../topshim" }



cfg-if = "1.0.0"

featured = { version = "0.1.0", optional = true }

libc = "0.2"

log = "0.4.14"

nix = "0.23"

system/gd/rust/linux/utils/src/features.rs

0 → 100644
+21 −0
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//! This library provides Chrome feature query service.



#[cfg(feature = "chromeos")]

use featured::CheckFeature;



/// Queries whether the specified Chrome feature is enabled.

/// Returns false when the build is not for ChromeOS.

pub fn is_feature_enabled(name: &str) -> Result<bool, Box<dyn std::error::Error>> {

    cfg_if::cfg_if! {

        if #[cfg(feature = "chromeos")] {

            let feature = featured::Feature::new(&name, false)?;



            let resp = featured::PlatformFeatures::get()?

                .is_feature_enabled_blocking(&feature);



            Ok(resp)

        } else {

            Ok(false)

        }

    }

}