libbinder_rs: Add Rust binderRpcTestService on Trusty

Add a minimal subset of binderRpcTestService for Trusty Rust testing.

Bug: 242243245
Test: com.android.trusty.rust.binder_rpc_test.test
Change-Id: Id32503b8895f7c8aadc3a244a6b5a210e559da11

5 files changed, 213 insertions, 3 deletions

diff --git a/libs/binder/trusty/rust/binder_rpc_test/main.rs b/libs/binder/trusty/rust/binder_rpc_test/main.rs
index a71ce2c26e..3c1e784418 100644
--- a/libs/binder/trusty/rust/binder_rpc_test/main.rs
+++ b/libs/binder/trusty/rust/binder_rpc_test/main.rs
@@ -23,14 +23,21 @@ use trusty_std::ffi::{CString, FallibleCString};
 test::init!();
 
 const SERVICE_PORT: &str = "com.android.trusty.binderRpcTestService.V1";
+const RUST_SERVICE_PORT: &str = "com.android.trusty.rust.binderRpcTestService.V1";
 
-fn get_service() -> Strong<dyn IBinderRpcTest> {
-    let port = CString::try_new(SERVICE_PORT).expect("Failed to allocate port name");
+fn get_service(port: &str) -> Strong<dyn IBinderRpcTest> {
+    let port = CString::try_new(port).expect("Failed to allocate port name");
     RpcSession::new().setup_trusty_client(port.as_c_str()).expect("Failed to create session")
 }
 
 #[test]
 fn ping() {
-    let srv = get_service();
+    let srv = get_service(SERVICE_PORT);
+    assert_eq!(srv.as_binder().ping_binder(), Ok(()));
+}
+
+#[test]
+fn ping_rust() {
+    let srv = get_service(RUST_SERVICE_PORT);
     assert_eq!(srv.as_binder().ping_binder(), Ok(()));
 }
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..b9a86bf240
--- /dev/null
+++ b/libs/binder/trusty/rust/binder_rpc_test/service/main.rs
@@ -0,0 +1,159 @@
+/*
+ * 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, Interface, ParcelFileDescriptor, SpIBinder, Status, Strong};
+use binder_rpc_test_aidl::aidl::IBinderRpcCallback::IBinderRpcCallback;
+use binder_rpc_test_aidl::aidl::IBinderRpcSession::IBinderRpcSession;
+use binder_rpc_test_aidl::aidl::IBinderRpcTest::{BnBinderRpcTest, IBinderRpcTest};
+use rpcbinder::RpcServer;
+use std::rc::Rc;
+use tipc::{service_dispatcher, wrap_service, Manager, PortCfg};
+
+const RUST_SERVICE_PORT: &str = "com.android.trusty.rust.binderRpcTestService.V1";
+
+#[derive(Debug, Default)]
+struct TestService;
+
+impl Interface for TestService {}
+
+impl IBinderRpcTest for TestService {
+    fn sendString(&self, _: &str) -> Result<(), Status> {
+        todo!()
+    }
+    fn doubleString(&self, _: &str) -> Result<String, Status> {
+        todo!()
+    }
+    fn getClientPort(&self) -> Result<i32, Status> {
+        todo!()
+    }
+    fn countBinders(&self) -> Result<Vec<i32>, Status> {
+        todo!()
+    }
+    fn getNullBinder(&self) -> Result<SpIBinder, Status> {
+        todo!()
+    }
+    fn pingMe(&self, _: &SpIBinder) -> Result<i32, Status> {
+        todo!()
+    }
+    fn repeatBinder(&self, _: Option<&SpIBinder>) -> Result<Option<SpIBinder>, Status> {
+        todo!()
+    }
+    fn holdBinder(&self, _: Option<&SpIBinder>) -> Result<(), Status> {
+        todo!()
+    }
+    fn getHeldBinder(&self) -> Result<Option<SpIBinder>, Status> {
+        todo!()
+    }
+    fn nestMe(&self, _: &Strong<(dyn IBinderRpcTest + 'static)>, _: i32) -> Result<(), Status> {
+        todo!()
+    }
+    fn alwaysGiveMeTheSameBinder(&self) -> Result<SpIBinder, Status> {
+        todo!()
+    }
+    fn openSession(&self, _: &str) -> Result<Strong<(dyn IBinderRpcSession + 'static)>, Status> {
+        todo!()
+    }
+    fn getNumOpenSessions(&self) -> Result<i32, Status> {
+        todo!()
+    }
+    fn lock(&self) -> Result<(), Status> {
+        todo!()
+    }
+    fn unlockInMsAsync(&self, _: i32) -> Result<(), Status> {
+        todo!()
+    }
+    fn lockUnlock(&self) -> Result<(), Status> {
+        todo!()
+    }
+    fn sleepMs(&self, _: i32) -> Result<(), Status> {
+        todo!()
+    }
+    fn sleepMsAsync(&self, _: i32) -> Result<(), Status> {
+        todo!()
+    }
+    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> {
+        todo!()
+    }
+    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");
+}
diff --git a/libs/binder/trusty/rust/binder_rpc_test/service/manifest.json b/libs/binder/trusty/rust/binder_rpc_test/service/manifest.json
new file mode 100644
index 0000000000..121ba112a8
--- /dev/null
+++ b/libs/binder/trusty/rust/binder_rpc_test/service/manifest.json
@@ -0,0 +1,10 @@
+{
+    "uuid": "4741fc65-8b65-4893-ba55-b182c003c8b7",
+    "app_name": "rust_binder_rpc_test_service",
+    "min_heap": 16384,
+    "min_stack": 16384,
+    "mgmt_flags": {
+        "non_critical_app": true,
+        "restart_on_exit": true
+    }
+}
diff --git a/libs/binder/trusty/rust/binder_rpc_test/service/rules.mk b/libs/binder/trusty/rust/binder_rpc_test/service/rules.mk
new file mode 100644
index 0000000000..1ddc382197
--- /dev/null
+++ b/libs/binder/trusty/rust/binder_rpc_test/service/rules.mk
@@ -0,0 +1,33 @@
+# 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.
+#
+
+LOCAL_DIR := $(GET_LOCAL_DIR)
+LIBBINDER_DIR := $(LOCAL_DIR)/../../../..
+
+MODULE := $(LOCAL_DIR)
+
+MODULE_SRCS := $(LOCAL_DIR)/main.rs
+
+MODULE_CRATE_NAME := binder_rpc_test_service
+
+MODULE_LIBRARY_DEPS += \
+	$(LIBBINDER_DIR)/trusty/rust \
+	$(LIBBINDER_DIR)/trusty/rust/rpcbinder \
+	$(LOCAL_DIR)/../aidl \
+	trusty/user/base/lib/tipc/rust \
+
+MANIFEST := $(LOCAL_DIR)/manifest.json
+
+include make/trusted_app.mk
diff --git a/libs/binder/trusty/usertests-inc.mk b/libs/binder/trusty/usertests-inc.mk
index 241e6683e7..833d209012 100644
--- a/libs/binder/trusty/usertests-inc.mk
+++ b/libs/binder/trusty/usertests-inc.mk
@@ -16,6 +16,7 @@
 TRUSTY_USER_TESTS += \
 	frameworks/native/libs/binder/trusty/binderRpcTest \
 	frameworks/native/libs/binder/trusty/binderRpcTest/service \
+	frameworks/native/libs/binder/trusty/rust/binder_rpc_test/service \
 
 TRUSTY_RUST_USER_TESTS += \
 	frameworks/native/libs/binder/trusty/rust/binder_rpc_test \