1 /*
2 * Copyright (C) 2021 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 //! Exposes an on-demand binder service to perform system compilation tasks using CompOS. It is
18 //! responsible for managing the lifecycle of the CompOS VM instances, providing key management for
19 //! them, and orchestrating trusted compilation.
20
21 mod fd_server_helper;
22 mod instance_manager;
23 mod instance_starter;
24 mod odrefresh_task;
25 mod service;
26
27 use crate::instance_manager::InstanceManager;
28 use anyhow::{Context, Result};
29 use binder::{register_lazy_service, ProcessState};
30 use log::{error, info};
31 use std::panic;
32 use std::sync::Arc;
33
34 #[allow(clippy::eq_op)]
try_main() -> Result<()>35 fn try_main() -> Result<()> {
36 let debuggable = env!("TARGET_BUILD_VARIANT") != "user";
37 let log_level = if debuggable { log::LevelFilter::Debug } else { log::LevelFilter::Info };
38 android_logger::init_once(
39 android_logger::Config::default().with_tag("composd").with_max_level(log_level),
40 );
41
42 // Redirect panic messages to logcat.
43 panic::set_hook(Box::new(|panic_info| {
44 log::error!("{}", panic_info);
45 }));
46
47 ProcessState::start_thread_pool();
48
49 let virtmgr =
50 vmclient::VirtualizationService::new().context("Failed to spawn VirtualizationService")?;
51 let virtualization_service =
52 virtmgr.connect().context("Failed to connect to VirtualizationService")?;
53
54 let instance_manager = Arc::new(InstanceManager::new(virtualization_service));
55 let composd_service = service::new_binder(instance_manager);
56 register_lazy_service("android.system.composd", composd_service.as_binder())
57 .context("Registering composd service")?;
58
59 info!("Registered services, joining threadpool");
60 ProcessState::join_thread_pool();
61
62 info!("Exiting");
63 Ok(())
64 }
65
main()66 fn main() {
67 if let Err(e) = try_main() {
68 error!("{:?}", e);
69 std::process::exit(1)
70 }
71 }
72