1 files changed, 234 insertions, 0 deletions
diff --git a/libs/binder/trusty/rust/binder_rpc_test/service/main.rs b/libs/binder/trusty/rust/binder_rpc_test/service/main.rs
new file mode 100644
index 0000000000..c4a758a214
--- /dev/null
+++ b/libs/binder/trusty/rust/binder_rpc_test/service/main.rs
@@ -0,0 +1,234 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+use binder::{
+    BinderFeatures, IBinder, Interface, ParcelFileDescriptor, SpIBinder, Status, StatusCode, Strong,
+};
+use binder_rpc_test_aidl::aidl::IBinderRpcCallback::IBinderRpcCallback;
+use binder_rpc_test_aidl::aidl::IBinderRpcSession::{BnBinderRpcSession, IBinderRpcSession};
+use binder_rpc_test_aidl::aidl::IBinderRpcTest::{BnBinderRpcTest, IBinderRpcTest};
+use binder_rpc_test_session::MyBinderRpcSession;
+use libc::{c_long, nanosleep, timespec};
+use rpcbinder::RpcServer;
+use std::rc::Rc;
+use std::sync::Mutex;
+use tipc::{service_dispatcher, wrap_service, Manager, PortCfg};
+
+const RUST_SERVICE_PORT: &str = "com.android.trusty.rust.binderRpcTestService.V1";
+
+// -----------------------------------------------------------------------------
+
+static SESSION_COUNT: Mutex<i32> = Mutex::new(0);
+static HOLD_BINDER: Mutex<Option<SpIBinder>> = Mutex::new(None);
+static SAME_BINDER: Mutex<Option<SpIBinder>> = Mutex::new(None);
+
+#[derive(Debug, Default)]
+struct TestService {
+    port: i32,
+    name: String,
+}
+
+#[allow(dead_code)]
+impl TestService {
+    fn new(name: &str) -> Self {
+        *SESSION_COUNT.lock().unwrap() += 1;
+        Self { name: name.to_string(), ..Default::default() }
+    }
+
+    fn get_instance_count() -> i32 {
+        *SESSION_COUNT.lock().unwrap()
+    }
+}
+
+impl Drop for TestService {
+    fn drop(&mut self) {
+        *SESSION_COUNT.lock().unwrap() -= 1;
+    }
+}
+
+impl Interface for TestService {}
+
+impl IBinderRpcSession for TestService {
+    fn getName(&self) -> Result<String, Status> {
+        Ok(self.name.clone())
+    }
+}
+
+impl IBinderRpcTest for TestService {
+    fn sendString(&self, _: &str) -> Result<(), Status> {
+        // This is a oneway function, so caller returned immediately and gives back an Ok(()) regardless of what this returns
+        Ok(())
+    }
+    fn doubleString(&self, s: &str) -> Result<String, Status> {
+        let ss = [s, s].concat();
+        Ok(ss)
+    }
+    fn getClientPort(&self) -> Result<i32, Status> {
+        Ok(self.port)
+    }
+    fn countBinders(&self) -> Result<Vec<i32>, Status> {
+        todo!()
+    }
+    fn getNullBinder(&self) -> Result<SpIBinder, Status> {
+        Err(Status::from(StatusCode::UNKNOWN_TRANSACTION))
+    }
+    fn pingMe(&self, binder: &SpIBinder) -> Result<i32, Status> {
+        match binder.clone().ping_binder() {
+            Ok(()) => Ok(StatusCode::OK as i32),
+            Err(e) => Err(Status::from(e)),
+        }
+    }
+    fn repeatBinder(&self, binder: Option<&SpIBinder>) -> Result<Option<SpIBinder>, Status> {
+        match binder {
+            Some(x) => Ok(Some(x.clone())),
+            None => Err(Status::from(StatusCode::BAD_VALUE)),
+        }
+    }
+    fn holdBinder(&self, binder: Option<&SpIBinder>) -> Result<(), Status> {
+        *HOLD_BINDER.lock().unwrap() = binder.cloned();
+        Ok(())
+    }
+    fn getHeldBinder(&self) -> Result<Option<SpIBinder>, Status> {
+        Ok((*HOLD_BINDER.lock().unwrap()).clone())
+    }
+    fn nestMe(
+        &self,
+        binder: &Strong<(dyn IBinderRpcTest + 'static)>,
+        count: i32,
+    ) -> Result<(), Status> {
+        if count < 0 {
+            Ok(())
+        } else {
+            binder.nestMe(binder, count - 1)
+        }
+    }
+    fn alwaysGiveMeTheSameBinder(&self) -> Result<SpIBinder, Status> {
+        let mut locked = SAME_BINDER.lock().unwrap();
+        Ok((*locked)
+            .get_or_insert_with(|| {
+                BnBinderRpcTest::new_binder(TestService::default(), BinderFeatures::default())
+                    .as_binder()
+            })
+            .clone())
+    }
+    fn openSession(&self, name: &str) -> Result<Strong<(dyn IBinderRpcSession + 'static)>, Status> {
+        let s = BnBinderRpcSession::new_binder(
+            MyBinderRpcSession::new(name),
+            BinderFeatures::default(),
+        );
+        Ok(s)
+    }
+    fn getNumOpenSessions(&self) -> Result<i32, Status> {
+        let count = MyBinderRpcSession::get_instance_count();
+        Ok(count)
+    }
+    fn lock(&self) -> Result<(), Status> {
+        todo!()
+    }
+    fn unlockInMsAsync(&self, _: i32) -> Result<(), Status> {
+        todo!()
+    }
+    fn lockUnlock(&self) -> Result<(), Status> {
+        todo!()
+    }
+    fn sleepMs(&self, ms: i32) -> Result<(), Status> {
+        let ts = timespec {
+            tv_sec: (ms / 1000) as c_long,
+            tv_nsec: (ms % 1000) as c_long * 1_000_000 as c_long,
+        };
+
+        let mut rem = timespec { tv_sec: 0, tv_nsec: 0 };
+
+        // Safety: Passing valid pointers to variables ts & rem which live past end of call
+        assert_eq!(unsafe { nanosleep(&ts, &mut rem) }, 0);
+
+        Ok(())
+    }
+    fn sleepMsAsync(&self, ms: i32) -> Result<(), Status> {
+        self.sleepMs(ms)
+    }
+    fn doCallback(
+        &self,
+        _: &Strong<(dyn IBinderRpcCallback + 'static)>,
+        _: bool,
+        _: bool,
+        _: &str,
+    ) -> Result<(), Status> {
+        todo!()
+    }
+    fn doCallbackAsync(
+        &self,
+        _: &Strong<(dyn IBinderRpcCallback + 'static)>,
+        _: bool,
+        _: bool,
+        _: &str,
+    ) -> Result<(), Status> {
+        todo!()
+    }
+    fn die(&self, _: bool) -> Result<(), Status> {
+        Err(Status::from(StatusCode::UNKNOWN_TRANSACTION))
+    }
+    fn scheduleShutdown(&self) -> Result<(), Status> {
+        todo!()
+    }
+    fn useKernelBinderCallingId(&self) -> Result<(), Status> {
+        todo!()
+    }
+    fn echoAsFile(&self, _: &str) -> Result<ParcelFileDescriptor, Status> {
+        todo!()
+    }
+    fn concatFiles(&self, _: &[ParcelFileDescriptor]) -> Result<ParcelFileDescriptor, Status> {
+        todo!()
+    }
+    fn blockingSendFdOneway(&self, _: &ParcelFileDescriptor) -> Result<(), Status> {
+        todo!()
+    }
+    fn blockingRecvFd(&self) -> Result<ParcelFileDescriptor, Status> {
+        todo!()
+    }
+    fn blockingSendIntOneway(&self, _: i32) -> Result<(), Status> {
+        todo!()
+    }
+    fn blockingRecvInt(&self) -> Result<i32, Status> {
+        todo!()
+    }
+}
+
+wrap_service!(TestRpcServer(RpcServer: UnbufferedService));
+
+service_dispatcher! {
+    enum TestDispatcher {
+        TestRpcServer,
+    }
+}
+
+fn main() {
+    let mut dispatcher = TestDispatcher::<1>::new().expect("Could not create test dispatcher");
+
+    let service = BnBinderRpcTest::new_binder(TestService::default(), BinderFeatures::default());
+    let rpc_server =
+        TestRpcServer::new(RpcServer::new_per_session(move |_uuid| Some(service.as_binder())));
+
+    let cfg = PortCfg::new(RUST_SERVICE_PORT)
+        .expect("Could not create port config")
+        .allow_ta_connect()
+        .allow_ns_connect();
+    dispatcher.add_service(Rc::new(rpc_server), cfg).expect("Could not add service to dispatcher");
+
+    Manager::<_, _, 1, 4>::new_with_dispatcher(dispatcher, [])
+        .expect("Could not create service manager")
+        .run_event_loop()
+        .expect("Test event loop failed");
+}