Start on Rust bindings for APersistableBundle.
Bug: 389074518
Test: atest libbinder_rs-internal_test
Change-Id: I398a9bf921993848c2e4774090413a6f5ef20c34
diff --git a/libs/binder/rust/src/lib.rs b/libs/binder/rust/src/lib.rs
index e08a763..77b80fe 100644
--- a/libs/binder/rust/src/lib.rs
+++ b/libs/binder/rust/src/lib.rs
@@ -99,6 +99,8 @@
mod error;
mod native;
mod parcel;
+#[cfg(not(trusty))]
+mod persistable_bundle;
mod proxy;
#[cfg(not(any(trusty, android_ndk)))]
mod service;
@@ -113,6 +115,8 @@
pub use binder::{BinderFeatures, FromIBinder, IBinder, Interface, Strong, Weak};
pub use error::{ExceptionCode, IntoBinderResult, Status, StatusCode};
pub use parcel::{ParcelFileDescriptor, Parcelable, ParcelableHolder};
+#[cfg(not(trusty))]
+pub use persistable_bundle::PersistableBundle;
pub use proxy::{DeathRecipient, SpIBinder, WpIBinder};
#[cfg(not(any(trusty, android_ndk)))]
pub use service::{
diff --git a/libs/binder/rust/src/persistable_bundle.rs b/libs/binder/rust/src/persistable_bundle.rs
new file mode 100644
index 0000000..c62feb0
--- /dev/null
+++ b/libs/binder/rust/src/persistable_bundle.rs
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2025 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_ndk_sys::{
+ APersistableBundle, APersistableBundle_delete, APersistableBundle_dup,
+ APersistableBundle_isEqual, APersistableBundle_new, APersistableBundle_size,
+};
+use std::ptr::NonNull;
+
+/// A mapping from string keys to values of various types.
+#[derive(Debug)]
+pub struct PersistableBundle(NonNull<APersistableBundle>);
+
+impl PersistableBundle {
+ /// Creates a new `PersistableBundle`.
+ pub fn new() -> Self {
+ // SAFETY: APersistableBundle_new doesn't actually have any safety requirements.
+ let bundle = unsafe { APersistableBundle_new() };
+ Self(NonNull::new(bundle).expect("Allocated APersistableBundle was null"))
+ }
+
+ /// Returns the number of mappings in the bundle.
+ pub fn size(&self) -> usize {
+ // SAFETY: The wrapped `APersistableBundle` pointer is guaranteed to be valid for the
+ // lifetime of the `PersistableBundle`.
+ unsafe { APersistableBundle_size(self.0.as_ptr()) }
+ .try_into()
+ .expect("APersistableBundle_size returned a negative size")
+ }
+}
+
+impl Default for PersistableBundle {
+ fn default() -> Self {
+ Self::new()
+ }
+}
+
+impl Drop for PersistableBundle {
+ fn drop(&mut self) {
+ // SAFETY: The wrapped `APersistableBundle` pointer is guaranteed to be valid for the
+ // lifetime of this `PersistableBundle`.
+ unsafe { APersistableBundle_delete(self.0.as_ptr()) };
+ }
+}
+
+impl Clone for PersistableBundle {
+ fn clone(&self) -> Self {
+ // SAFETY: The wrapped `APersistableBundle` pointer is guaranteed to be valid for the
+ // lifetime of the `PersistableBundle`.
+ let duplicate = unsafe { APersistableBundle_dup(self.0.as_ptr()) };
+ Self(NonNull::new(duplicate).expect("Duplicated APersistableBundle was null"))
+ }
+}
+
+impl PartialEq for PersistableBundle {
+ fn eq(&self, other: &Self) -> bool {
+ // SAFETY: The wrapped `APersistableBundle` pointers are guaranteed to be valid for the
+ // lifetime of the `PersistableBundle`s.
+ unsafe { APersistableBundle_isEqual(self.0.as_ptr(), other.0.as_ptr()) }
+ }
+}
+
+#[cfg(test)]
+mod test {
+ use super::*;
+
+ #[test]
+ fn create_delete() {
+ let bundle = PersistableBundle::new();
+ drop(bundle);
+ }
+
+ #[test]
+ fn duplicate_equal() {
+ let bundle = PersistableBundle::new();
+ let duplicate = bundle.clone();
+ assert_eq!(bundle, duplicate);
+ }
+}
diff --git a/libs/binder/rust/sys/BinderBindings.hpp b/libs/binder/rust/sys/BinderBindings.hpp
index 557f0e8..deeaa37 100644
--- a/libs/binder/rust/sys/BinderBindings.hpp
+++ b/libs/binder/rust/sys/BinderBindings.hpp
@@ -17,6 +17,7 @@
#include <android/binder_ibinder.h>
#include <android/binder_parcel.h>
#include <android/binder_status.h>
+#include <android/persistable_bundle.h>
/* Platform only */
#if defined(ANDROID_PLATFORM) || defined(__ANDROID_VENDOR__)