Reuse same AIBinder type in rpcbinder bindgen.
This avoids some casts.
Test: m vm
Change-Id: I7296a3e61a167224ab49954f7025066aca545d50
diff --git a/libs/binder/rust/rpcbinder/Android.bp b/libs/binder/rust/rpcbinder/Android.bp
index f169390..5ebc27f 100644
--- a/libs/binder/rust/rpcbinder/Android.bp
+++ b/libs/binder/rust/rpcbinder/Android.bp
@@ -16,7 +16,7 @@
],
rustlibs: [
"libbinder_ndk_sys",
- "libbinder_rpc_unstable_bindgen",
+ "libbinder_rpc_unstable_bindgen_sys",
"libbinder_rs",
"libdowncast_rs",
"liblibc",
@@ -29,6 +29,35 @@
min_sdk_version: "Tiramisu",
}
+// Build a separate rust_library rather than depending directly on libbinder_rpc_unstable_bindgen,
+// to work around the fact that rust_bindgen targets only produce rlibs and not dylibs, which would
+// result in duplicate conflicting versions of libbinder_ndk_sys. This will hopefully be fixed in
+// the build system, at which point we can delete this target and go back to using
+// libbinder_rpc_unstable_bindgen directly.
+rust_library {
+ name: "libbinder_rpc_unstable_bindgen_sys",
+ crate_name: "binder_rpc_unstable_bindgen",
+ srcs: [
+ ":libbinder_rpc_unstable_bindgen",
+ ],
+ visibility: [":__subpackages__"],
+ rustlibs: [
+ "libbinder_ndk_sys",
+ ],
+ shared_libs: [
+ "libbinder_rpc_unstable",
+ "libutils",
+ ],
+ apex_available: [
+ "com.android.compos",
+ "com.android.uwb",
+ "com.android.virt",
+ ],
+ min_sdk_version: "Tiramisu",
+ lints: "none",
+ clippy_lints: "none",
+}
+
// TODO(b/184872979): remove once the RPC Binder API is stabilised.
rust_bindgen {
name: "libbinder_rpc_unstable_bindgen",
@@ -36,6 +65,15 @@
crate_name: "binder_rpc_unstable_bindgen",
visibility: [":__subpackages__"],
source_stem: "bindings",
+ bindgen_flags: [
+ "--blocklist-type",
+ "AIBinder",
+ "--raw-line",
+ "use binder_ndk_sys::AIBinder;",
+ ],
+ rustlibs: [
+ "libbinder_ndk_sys",
+ ],
shared_libs: [
"libbinder_rpc_unstable",
"libutils",
@@ -52,6 +90,9 @@
name: "libbinder_rpc_unstable_bindgen_test",
srcs: [":libbinder_rpc_unstable_bindgen"],
crate_name: "binder_rpc_unstable_bindgen",
+ rustlibs: [
+ "libbinder_ndk_sys",
+ ],
test_suites: ["general-tests"],
auto_gen_config: true,
clippy_lints: "none",
diff --git a/libs/binder/rust/rpcbinder/src/client.rs b/libs/binder/rust/rpcbinder/src/client.rs
index dfc6f06..743800b 100644
--- a/libs/binder/rust/rpcbinder/src/client.rs
+++ b/libs/binder/rust/rpcbinder/src/client.rs
@@ -14,10 +14,7 @@
* limitations under the License.
*/
-use binder::{
- unstable_api::{new_spibinder, AIBinder},
- FromIBinder, SpIBinder, StatusCode, Strong,
-};
+use binder::{unstable_api::new_spibinder, FromIBinder, SpIBinder, StatusCode, Strong};
use std::os::{
raw::{c_int, c_void},
unix::io::RawFd,
@@ -27,7 +24,7 @@
pub fn get_vsock_rpc_service(cid: u32, port: u32) -> Option<SpIBinder> {
// SAFETY: AIBinder returned by RpcClient has correct reference count, and the ownership can
// safely be taken by new_spibinder.
- unsafe { new_spibinder(binder_rpc_unstable_bindgen::RpcClient(cid, port) as *mut AIBinder) }
+ unsafe { new_spibinder(binder_rpc_unstable_bindgen::RpcClient(cid, port)) }
}
/// Connects to an RPC Binder server for a particular interface over vsock.
@@ -54,7 +51,7 @@
new_spibinder(binder_rpc_unstable_bindgen::RpcPreconnectedClient(
Some(request_fd_wrapper),
param,
- ) as *mut AIBinder)
+ ))
}
}
diff --git a/libs/binder/rust/rpcbinder/src/server.rs b/libs/binder/rust/rpcbinder/src/server.rs
index d98a439..aeb23c6 100644
--- a/libs/binder/rust/rpcbinder/src/server.rs
+++ b/libs/binder/rust/rpcbinder/src/server.rs
@@ -14,7 +14,10 @@
* limitations under the License.
*/
-use binder::{unstable_api::AsNative, SpIBinder};
+use binder::{
+ unstable_api::{AIBinder, AsNative},
+ SpIBinder,
+};
use std::{os::raw, ptr::null_mut};
/// Runs a binder RPC server, serving the supplied binder service implementation on the given vsock
@@ -44,7 +47,7 @@
F: FnOnce(),
{
fn run_server(&mut self, mut service: SpIBinder, port: u32) -> bool {
- let service = service.as_native_mut() as *mut binder_rpc_unstable_bindgen::AIBinder;
+ let service = service.as_native_mut();
let param = self.as_void_ptr();
// SAFETY: Service ownership is transferring to the server and won't be valid afterward.
@@ -106,10 +109,7 @@
}
}
-unsafe extern "C" fn factory_wrapper(
- cid: u32,
- context: *mut raw::c_void,
-) -> *mut binder_rpc_unstable_bindgen::AIBinder {
+unsafe extern "C" fn factory_wrapper(cid: u32, context: *mut raw::c_void) -> *mut AIBinder {
// SAFETY: `context` was created from an `&mut RpcServerFactoryRef` by
// `run_rpc_server_with_factory`, and we are still within the lifetime of the value it is
// pointing to.
@@ -117,7 +117,7 @@
let factory = factory_ptr.as_mut().unwrap();
if let Some(mut service) = factory(cid) {
- service.as_native_mut() as *mut binder_rpc_unstable_bindgen::AIBinder
+ service.as_native_mut()
} else {
null_mut()
}