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// Copyright 2021, The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! Bindings for getting the list of HALs.
#[cxx::bridge]
mod ffi {
unsafe extern "C++" {
include!("vintf.hpp");
/// Gets all HAL names.
/// Note that this is not a zero-cost shim: it will make copies of the strings.
fn get_hal_names() -> Vec<String>;
/// Gets all HAL names and versions.
/// Note that this is not a zero-cost shim: it will make copies of the strings.
fn get_hal_names_and_versions() -> Vec<String>;
/// Gets the instances of the given package, version, and interface tuple.
/// Note that this is not a zero-cost shim: it will make copies of the strings.
fn get_hidl_instances(
package: &str,
major_version: usize,
minor_version: usize,
interface_name: &str,
) -> Vec<String>;
/// Gets the instances of the given package, version, and interface tuple.
/// Note that this is not a zero-cost shim: it will make copies of the strings.
fn get_aidl_instances(package: &str, version: usize, interface_name: &str) -> Vec<String>;
}
}
pub use ffi::*;
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test() {
let names = get_hal_names();
assert_ne!(names.len(), 0);
let names_and_versions = get_hal_names_and_versions();
assert_ne!(names_and_versions.len(), 0);
assert!(names_and_versions.len() >= names.len());
}
}
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