Revert^2 "Add microfuchsia apex that runs in AVF on bootup"
4ae215a64209cfbb0ae4fb2d484a0fb4fa4afc53
The old change is PS1.
The fix involves using libc::c_char and casting to a u8 on x86
architectures.
Test: m com.android.microfuchsia for arm and x86
Change-Id: Ideccd80b4f6a812c1638b31a7b4ad666a5a411b7
diff --git a/microfuchsia/microfuchsiad/src/instance_manager.rs b/microfuchsia/microfuchsiad/src/instance_manager.rs
new file mode 100644
index 0000000..5082e50
--- /dev/null
+++ b/microfuchsia/microfuchsiad/src/instance_manager.rs
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+//! Manages running instances of the Microfuchsia VM.
+//! At most one instance should be running at a time.
+
+use crate::instance_starter::{InstanceStarter, MicrofuchsiaInstance};
+use android_system_virtualizationservice::aidl::android::system::virtualizationservice;
+use anyhow::{bail, Result};
+use binder::Strong;
+use virtualizationservice::IVirtualizationService::IVirtualizationService;
+
+pub struct InstanceManager {
+ service: Strong<dyn IVirtualizationService>,
+ started: bool,
+}
+
+impl InstanceManager {
+ pub fn new(service: Strong<dyn IVirtualizationService>) -> Self {
+ Self { service, started: false }
+ }
+
+ pub fn start_instance(&mut self) -> Result<MicrofuchsiaInstance> {
+ if self.started {
+ bail!("Cannot start multiple microfuchsia instances");
+ }
+
+ let instance_starter = InstanceStarter::new("Microfuchsia", 0);
+ let instance = instance_starter.start_new_instance(&*self.service);
+
+ if instance.is_ok() {
+ self.started = true;
+ }
+ instance
+ }
+}