1 /*
2 * Copyright (C) 2025 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 //! No-op implementation of the IVmCapabilitiesService.
18
19 mod aidl;
20
21 use crate::aidl::NoOpVmCapabilitiesService;
22 use anyhow::{bail, Context, Result};
23 use log::{error, info, LevelFilter};
24 use binder::{register_lazy_service, BinderFeatures, ProcessState};
25 use android_hardware_virtualization_capabilities_capabilities_service::aidl::android::hardware::virtualization::capabilities::IVmCapabilitiesService::BnVmCapabilitiesService;
26
27 const SERVICE_NAME: &str = "android.hardware.virtualization.capabilities.IVmCapabilitiesService/noop";
28
try_main() -> Result<()>29 fn try_main() -> Result<()> {
30 // Initialize Android logging.
31 android_logger::init_once(
32 android_logger::Config::default()
33 .with_tag("NoOpIVmCapabilitiesService")
34 .with_max_level(LevelFilter::Info)
35 .with_log_buffer(android_logger::LogId::System),
36 );
37
38 ProcessState::start_thread_pool();
39 let service_impl = NoOpVmCapabilitiesService::init();
40 let service = BnVmCapabilitiesService::new_binder(service_impl, BinderFeatures::default());
41 register_lazy_service(SERVICE_NAME, service.as_binder())
42 .with_context(|| format!("failed to register {SERVICE_NAME}"))?;
43 info!("Registered Binder service, joining threadpool.");
44 ProcessState::join_thread_pool();
45 bail!("thread pool unexpectedly ended");
46 }
47
main()48 fn main() {
49 if let Err(e) = try_main() {
50 error!("failed with {e:?}");
51 std::process::exit(1);
52 }
53 }
54