Create composd skeleton
This has all the scaffolding/boilerplate to create a composd service
which can be started and serve a binder interface, but with no actual
implementation yet.
Bug: 186126194
Test: adb shell cmd -w android.system.composd; service starts.
Change-Id: I2ba91b36628b21210ac901525a93664473ac8460
diff --git a/compos/composd/Android.bp b/compos/composd/Android.bp
new file mode 100644
index 0000000..007eda9
--- /dev/null
+++ b/compos/composd/Android.bp
@@ -0,0 +1,22 @@
+package {
+ default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+rust_binary {
+ name: "composd",
+ srcs: ["src/composd_main.rs"],
+ edition: "2018",
+ rustlibs: [
+ "android.system.composd-rust",
+ "compos_aidl_interface-rust",
+ "libandroid_logger",
+ "libanyhow",
+ "libbinder_rs",
+ "libcompos_common",
+ "liblog_rust",
+ ],
+ prefer_rlib: true,
+ apex_available: [
+ "com.android.compos",
+ ],
+}
diff --git a/compos/composd/aidl/Android.bp b/compos/composd/aidl/Android.bp
new file mode 100644
index 0000000..90c0de0
--- /dev/null
+++ b/compos/composd/aidl/Android.bp
@@ -0,0 +1,21 @@
+package {
+ default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+aidl_interface {
+ name: "android.system.composd",
+ srcs: ["android/system/composd/*.aidl"],
+ // TODO: Make this stable when the APEX becomes updatable.
+ unstable: true,
+ backend: {
+ java: {
+ apex_available: ["//apex_available:platform"],
+ },
+ rust: {
+ enabled: true,
+ apex_available: [
+ "com.android.compos",
+ ],
+ },
+ },
+}
diff --git a/compos/composd/aidl/android/system/composd/IIsolatedCompilationService.aidl b/compos/composd/aidl/android/system/composd/IIsolatedCompilationService.aidl
new file mode 100644
index 0000000..0dd5b6f
--- /dev/null
+++ b/compos/composd/aidl/android/system/composd/IIsolatedCompilationService.aidl
@@ -0,0 +1,21 @@
+/*
+ * 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.
+ */
+package android.system.composd;
+
+interface IIsolatedCompilationService {
+ // TODO: Add real methods
+ void doSomething();
+}
diff --git a/compos/composd/src/composd_main.rs b/compos/composd/src/composd_main.rs
new file mode 100644
index 0000000..f674448
--- /dev/null
+++ b/compos/composd/src/composd_main.rs
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 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.
+ */
+
+//! Exposes an on-demand binder service to perform system compilation tasks using CompOS. It is
+//! responsible for managing the lifecycle of the CompOS VM instances, providing key management for
+//! them, and orchestrating trusted compilation.
+
+mod service;
+
+use android_system_composd::binder::{register_lazy_service, ProcessState};
+use anyhow::{Context, Result};
+use log::{error, info};
+
+fn try_main() -> Result<()> {
+ android_logger::init_once(
+ android_logger::Config::default().with_tag("composd").with_min_level(log::Level::Info),
+ );
+
+ let service = service::new_binder();
+ register_lazy_service("android.system.composd", service.as_binder())
+ .context("Registering service")?;
+
+ info!("Registered service, joining threadpool");
+ ProcessState::join_thread_pool();
+
+ info!("Exiting");
+ Ok(())
+}
+
+fn main() {
+ if let Err(e) = try_main() {
+ error!("{}", e);
+ std::process::exit(1)
+ }
+}
diff --git a/compos/composd/src/service.rs b/compos/composd/src/service.rs
new file mode 100644
index 0000000..8fe28ec
--- /dev/null
+++ b/compos/composd/src/service.rs
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 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.
+ */
+
+//! Implementation of IIsolatedCompilationService, called from system server when compilation is
+//! desired.
+
+use android_system_composd::aidl::android::system::composd::IIsolatedCompilationService::{
+ BnIsolatedCompilationService, IIsolatedCompilationService,
+};
+use android_system_composd::binder::{self, BinderFeatures, Interface, Strong};
+
+pub struct IsolatedCompilationService {}
+
+pub fn new_binder() -> Strong<dyn IIsolatedCompilationService> {
+ let service = IsolatedCompilationService {};
+ BnIsolatedCompilationService::new_binder(service, BinderFeatures::default())
+}
+
+impl IsolatedCompilationService {}
+
+impl Interface for IsolatedCompilationService {}
+
+impl IIsolatedCompilationService for IsolatedCompilationService {
+ fn doSomething(&self) -> binder::Result<()> {
+ Ok(())
+ }
+}