diff --git a/service/build.gradle b/service/build.gradle
index 911443c..85e7382 100644
--- a/service/build.gradle
+++ b/service/build.gradle
@@ -76,9 +76,31 @@ android {
jvmTarget = '17'
}
+ // whether or not to build with the native Rust uStreamer
+ flavorDimensions = ["ustreamer"]
+ productFlavors {
+ withUStreamer {
+ // Assigns this product flavor to the "version" flavor dimension.
+ // If you are using only one dimension, this property is optional,
+ // and the plugin automatically assigns all the module's flavors to
+ // that dimension.
+ dimension "ustreamer"
+ }
+ withoutUStreamer {
+ dimension "ustreamer"
+ }
+ }
+
sourceSets {
- main {
- jniLibs.srcDirs = []
+ withUStreamer {
+ java {
+ srcDirs 'src/main/withUStreamer/java'
+ }
+ }
+ withoutUStreamer {
+ java {
+ srcDirs 'src/main/withoutUStreamer/java'
+ }
}
test.assets.srcDirs += files("$projectDir/src/test/".toString())
}
diff --git a/service/src/main/AndroidManifest.xml b/service/src/main/AndroidManifest.xml
index 3b6fb6e..e34958f 100644
--- a/service/src/main/AndroidManifest.xml
+++ b/service/src/main/AndroidManifest.xml
@@ -40,5 +40,12 @@
+
+
+
diff --git a/service/src/main/java/org/eclipse/uprotocol/core/UCoreService.java b/service/src/main/java/org/eclipse/uprotocol/core/UCoreService.java
index 9ad9f59..6a0eb77 100644
--- a/service/src/main/java/org/eclipse/uprotocol/core/UCoreService.java
+++ b/service/src/main/java/org/eclipse/uprotocol/core/UCoreService.java
@@ -39,6 +39,7 @@
import org.eclipse.uprotocol.common.util.log.Formatter;
import org.eclipse.uprotocol.common.util.log.Key;
import org.eclipse.uprotocol.core.ubus.UBusAdapter;
+import org.eclipse.uprotocol.core.ustreamer.UStreamerManager;
import java.io.FileDescriptor;
import java.io.PrintWriter;
@@ -47,6 +48,7 @@ public class UCoreService extends Service {
private static final String TAG = Formatter.tag("core", "UCoreService");
private UCore mUCore;
private UBusAdapter mUBusAdapter;
+ private UStreamerManager mUStreamerManager;
public UCoreService() {
//Nothing to do
@@ -59,6 +61,9 @@ public void onCreate() {
mUCore = newUCore(this);
mUCore.init();
mUCore.startup();
+
+ mUStreamerManager = new UStreamerManager(this);
+ mUStreamerManager.connect();
}
@VisibleForTesting
diff --git a/service/src/main/java/org/eclipse/uprotocol/core/ubus/UBus.java b/service/src/main/java/org/eclipse/uprotocol/core/ubus/UBus.java
index f07eab5..bb07f5c 100644
--- a/service/src/main/java/org/eclipse/uprotocol/core/ubus/UBus.java
+++ b/service/src/main/java/org/eclipse/uprotocol/core/ubus/UBus.java
@@ -197,6 +197,9 @@ protected void clearCache() {
public @NonNull UStatus registerClient(@NonNull String packageName, @NonNull UEntity entity,
@NonNull IBinder clientToken, @NonNull T listener) {
+ // TODO: PELE - Remove this logging eventually
+ Log.d(TAG, "ParcelableUEntity: " + entity);
+
return mClientManager.registerClient(packageName, entity, clientToken, listener);
}
diff --git a/service/src/main/java/org/eclipse/uprotocol/core/ubus/UBusAdapter.java b/service/src/main/java/org/eclipse/uprotocol/core/ubus/UBusAdapter.java
index b529229..8e093ba 100644
--- a/service/src/main/java/org/eclipse/uprotocol/core/ubus/UBusAdapter.java
+++ b/service/src/main/java/org/eclipse/uprotocol/core/ubus/UBusAdapter.java
@@ -50,6 +50,9 @@ public UBusAdapter(@NonNull UBus uBus) {
public ParcelableUStatus registerClient(String packageName, ParcelableUEntity entity, IBinder clientToken,
int flags, IUListener listener) {
try {
+ // TODO: PELE - Remove this logging eventually
+ Log.d("UBusAdapter", "ParcelableUEntity: " + entity);
+
return new ParcelableUStatus(mUBus.registerClient(packageName, entity.getWrapped(), clientToken, listener));
} catch (Exception e) {
return new ParcelableUStatus(toStatus(e));
diff --git a/service/src/main/java/org/eclipse/uprotocol/core/ubus/client/ClientManager.java b/service/src/main/java/org/eclipse/uprotocol/core/ubus/client/ClientManager.java
index 8ff6b4c..7ad9747 100644
--- a/service/src/main/java/org/eclipse/uprotocol/core/ubus/client/ClientManager.java
+++ b/service/src/main/java/org/eclipse/uprotocol/core/ubus/client/ClientManager.java
@@ -206,6 +206,9 @@ private static void checkCallerCredentials(int pid, int uid, @NonNull Client cli
public @NonNull UStatus registerClient(@NonNull String packageName, @NonNull UEntity entity,
@NonNull IBinder clientToken, @NonNull T listener) {
try {
+ // TODO: PELE - Remove this logging eventually
+ Log.d(TAG, "ParcelableUEntity: " + entity);
+
checkStringNotEmpty(packageName, "Package name is empty");
checkStringNotEmpty(entity.getName(), "Entity name is empty");
checkArgument(entity.hasVersionMajor(), "Entity version is empty");
diff --git a/service/src/main/java/org/eclipse/uprotocol/core/ustreamer/UStreamerManager.java b/service/src/main/java/org/eclipse/uprotocol/core/ustreamer/UStreamerManager.java
new file mode 100644
index 0000000..6f3cdaa
--- /dev/null
+++ b/service/src/main/java/org/eclipse/uprotocol/core/ustreamer/UStreamerManager.java
@@ -0,0 +1,64 @@
+package org.eclipse.uprotocol.core.ustreamer;
+
+import static android.content.Context.BIND_AUTO_CREATE;
+import static java.util.Objects.requireNonNull;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.IBinder;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+
+
+public class UStreamerManager {
+
+ private static final String TAG = "UStreamerManager";
+
+ private final Context mContext;
+ private boolean mServiceBound;
+
+ public static final String ACTION_BIND_UBUS = "uprotocol.action.BIND_UBUS";
+
+ private final ServiceConnection mServiceConnectionCallback = new ServiceConnection() {
+
+ @Override
+ public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
+ Log.i(TAG, "inside mServiceConnectionCallback onServiceConnected()");
+ Log.d(TAG, UStreamerGlue.forwardJavaBinder(iBinder));
+ }
+
+ @Override
+ public void onServiceDisconnected(ComponentName componentName) {
+
+ }
+
+ @Override
+ public void onBindingDied(ComponentName name) {
+ ServiceConnection.super.onBindingDied(name);
+ }
+
+ @Override
+ public void onNullBinding(ComponentName name) {
+ ServiceConnection.super.onNullBinding(name);
+ }
+ };
+
+ public UStreamerManager(@NonNull Context context) {
+ mContext = requireNonNull(context);
+ Log.i(TAG, "inside UStreamerManager constructor");
+ }
+
+ public boolean connect() {
+ Log.i(TAG, "inside UStreamerManager connect()");
+ final Intent intent = new Intent(ACTION_BIND_UBUS);
+ String mServiceConfig = "org.eclipse.uprotocol.core";
+ intent.setPackage(mServiceConfig);
+ Log.d(TAG, "intent: " + intent);
+ mServiceBound = mContext.bindService(intent, mServiceConnectionCallback, BIND_AUTO_CREATE);
+ Log.i(TAG, "Made it back from calling into Rust!");
+ return mServiceBound;
+ }
+}
diff --git a/service/src/main/jniLibs/aarch64/.gitkeep b/service/src/main/jniLibs/aarch64/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/service/src/main/jniLibs/armv7/.gitkeep b/service/src/main/jniLibs/armv7/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/service/src/main/jniLibs/x86_64/.gitkeep b/service/src/main/jniLibs/x86_64/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/service/src/main/rust/ustreamer_bridge/.gitignore b/service/src/main/rust/ustreamer_bridge/.gitignore
new file mode 100644
index 0000000..198c4ce
--- /dev/null
+++ b/service/src/main/rust/ustreamer_bridge/.gitignore
@@ -0,0 +1,3 @@
+/target
+
+.idea/
diff --git a/service/src/main/rust/ustreamer_bridge/Cargo.lock b/service/src/main/rust/ustreamer_bridge/Cargo.lock
new file mode 100644
index 0000000..7aa083e
--- /dev/null
+++ b/service/src/main/rust/ustreamer_bridge/Cargo.lock
@@ -0,0 +1,2201 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
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+ "gimli",
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+
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+ "android_logger",
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+ "async-trait",
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+
+[[package]]
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diff --git a/service/src/main/rust/ustreamer_bridge/Cargo.toml b/service/src/main/rust/ustreamer_bridge/Cargo.toml
new file mode 100644
index 0000000..51146db
--- /dev/null
+++ b/service/src/main/rust/ustreamer_bridge/Cargo.toml
@@ -0,0 +1,22 @@
+[package]
+name = "ustreamer_bridge"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate_type = ["cdylib"]
+
+[dependencies]
+aidl-rust-codegen = { git = "https://github.com/PLeVasseur/up-client-android-rust.git", branch = "feature/initial_implementation" }
+async-std = "1.12.0"
+binder = { git = "https://github.com/PLeVasseur/binder_rs.git", branch = "main" }
+binder_ndk_sys = { git = "https://github.com/PLeVasseur/binder_rs.git", branch = "main" }
+binder_tokio = { git = "https://github.com/PLeVasseur/binder_rs.git", branch = "main" }
+jni = "0.21.1"
+once_cell = "1.19.0"
+protobuf = { version = "3.3" }
+up-rust = { git = "https://github.com/eclipse-uprotocol/up-rust", branch = "main" }
+log = "0.4.20"
+
+[target.'cfg(target_os = "android")'.dependencies]
+android_logger = "0.13"
diff --git a/service/src/main/rust/ustreamer_bridge/src/lib.rs b/service/src/main/rust/ustreamer_bridge/src/lib.rs
new file mode 100644
index 0000000..fba3942
--- /dev/null
+++ b/service/src/main/rust/ustreamer_bridge/src/lib.rs
@@ -0,0 +1,191 @@
+#[macro_use] extern crate log;
+
+extern crate android_logger;
+
+use log::LevelFilter;
+use android_logger::Config;
+
+// This is the interface to the JVM that we'll call the majority of our
+// methods on.
+use jni::JNIEnv;
+
+// These objects are what you should use as arguments to your native
+// function. They carry extra lifetime information to prevent them escaping
+// this context and getting used after being GC'd.
+use jni::objects::{GlobalRef, JClass, JObject, JString};
+
+// This is just a pointer. We'll be returning it from our function. We
+// can't return one of the objects with lifetime information because the
+// lifetime checker won't let us.
+use jni::sys::{jstring, jobject};
+
+use binder_ndk_sys::AIBinder;
+use binder::unstable_api::new_spibinder;
+use binder::{BinderFeatures, FromIBinder, Interface, Strong};
+use binder::binder_impl::Binder;
+
+use aidl_rust_codegen::binder_impls::IUBus::IUBus;
+use aidl_rust_codegen::binder_impls::IUListener::{IUListener, BnUListener};
+use aidl_rust_codegen::parcelable_stubs::*;
+
+use up_rust::uprotocol::{UAuthority, UEntity, UResource, UUri};
+use protobuf::Message;
+
+use once_cell::sync::OnceCell;
+
+use std::any::type_name;
+use std::time::Duration;
+use async_std::sync::{Arc, Mutex};
+use async_std::task;
+
+fn type_of(_: &T) -> &'static str {
+ type_name::()
+}
+
+pub struct MyIUListener;
+
+impl Interface for MyIUListener {}
+
+impl IUListener for MyIUListener {
+ fn onReceive(&self, event: &ParcelableUMessage) -> binder::Result<()> {
+ println!("received ParcelableUMessage: {:?}", event);
+ Ok(())
+ }
+}
+
+// Because we can't allow the JVM to GC the Java Binder object, we need to put it in a GlobalRef and keep it around
+static JAVA_BINDER_INSTANCE: OnceCell> = OnceCell::new();
+// The IUBus we'll keep around so we can use it async
+static IUBUS_INSTANCE: OnceCell>> = OnceCell::new();
+
+// This keeps Rust from "mangling" the name and making it unique for this
+// crate.
+#[no_mangle]
+pub extern "system" fn Java_org_eclipse_uprotocol_core_ustreamer_UStreamerGlue_forwardJavaBinder<'local>(mut env: JNIEnv<'local>,
+// This is the class that owns our static method. It's not going to be used,
+// but still must be present to match the expected signature of a static
+// native method.
+ class: JClass<'local>,
+ binder: jobject)
+ -> jstring {
+
+ android_logger::init_once(
+ Config::default().with_max_level(LevelFilter::Trace),
+ );
+
+ // TODO: Examine this more closely and ensure that if something bad happens in unsafe-land
+ // we react appropriately.
+ let binder_object = unsafe { JObject::from_raw(binder) };
+ let binder_object_global_ref = env.new_global_ref(binder_object);
+
+ let binder_object_global_ref = binder_object_global_ref.unwrap();
+
+ JAVA_BINDER_INSTANCE.set(binder_object_global_ref.into()).unwrap_or_else(|_| panic!("Instance was already set!"));
+
+ let aibinder = unsafe { binder_ndk_sys::AIBinder_fromJavaBinder(env.get_raw(), binder) };
+ let spibinder = unsafe { new_spibinder(aibinder) };
+
+ let spibinder_success = if spibinder.is_none() {
+ "failed to get SpIBinder"
+ } else {
+ "got SpIBinder"
+ };
+
+ let spibinder = spibinder.unwrap();
+
+ let remote_service = if spibinder.is_remote() {
+ "remote service"
+ } else {
+ "local service"
+ };
+
+ let ubus = Arc::new(spibinder.into_interface::().expect("Unable to obtain strong interface"));
+
+ IUBUS_INSTANCE.set(ubus).unwrap_or_else(|_| panic!("Instance was already set!"));
+
+ let type_of_ubus = type_of(&IUBUS_INSTANCE.get().expect("ubus is not initialized"));
+
+ let package_name = "org.eclipse.uprotocol.core.ustreamer";
+ let uentity = UEntity {
+ name: "ustreamer_glue".to_string(),
+ version_major: Some(1),
+ ..Default::default()
+ };
+
+ let uentity_computed_size = format!("uentity computed size: {}", uentity.compute_size());
+
+ let my_flags: i32 = 0;
+ let client_token = Binder::new(()).as_binder();
+ let my_iulistener = MyIUListener;
+ let my_iulistener_binder = BnUListener::new_binder(my_iulistener, BinderFeatures::default());
+
+ let bytes = uentity.write_to_bytes().unwrap();
+ let size = bytes.len() as i32;
+
+ let uentity_size = format!("uentity_size: {}", size);
+ let uentity_bytes = format!("bytes: {:?}", bytes);
+
+ let ustatus_registerClient = IUBUS_INSTANCE.get().expect("ubus is not initialized").registerClient(&package_name, &uentity.into(), &client_token, my_flags, &my_iulistener_binder);
+
+ let ustatus_registerClient_string = format!("ustatus_registerClient: {:?}", ustatus_registerClient);
+
+ let good_uuri = UUri {
+ entity: Some(UEntity {
+ name: "topic_to_subscribe_to".to_string(),
+ ..Default::default()
+ }).into(),
+ resource: Some(UResource {
+ name: "resource_i_want".to_string(),
+ ..Default::default()
+ }).into(),
+ ..Default::default()
+ };
+
+
+ let java_vm = env.get_java_vm();
+ if java_vm.is_err() {
+ panic!("unable to obtain java_vm: {:?}", java_vm);
+ }
+ let java_vm = java_vm.unwrap();
+
+ let mut sleep_counter: u64 = 0;
+ let run = 25;
+ task::spawn(async move {
+ info!("entered newly spawned task");
+ let task_local_env = java_vm.attach_current_thread_as_daemon();
+ if task_local_env.is_err() {
+ panic!("unable to attach spawned task to jvm: {:?}", task_local_env);
+ }
+ loop {
+ info!("top of loop");
+ let ustatus_enableDispatchingTask_success = IUBUS_INSTANCE.get().expect("ubus is not initialized").enableDispatching(&good_uuri.clone().into(), my_flags, &client_token);
+ info!("ustatus_enableDispatchingTask: {:?}", ustatus_enableDispatchingTask_success);
+ let ustatus_disableDispatchingTask_success = IUBUS_INSTANCE.get().expect("ubus is not initialized").disableDispatching(&good_uuri.clone().into(), my_flags, &client_token);
+ info!("ustatus_disableDispatchingTask: {:?}", ustatus_disableDispatchingTask_success);
+
+ info!("sleeping for 1 second, sleep_counter, run #: {run}, {sleep_counter}");
+ std::thread::sleep(Duration::from_secs(1));
+ sleep_counter += 1;
+ }
+ });
+
+ let empty_string = "";
+ let status_strings = vec![empty_string,
+ spibinder_success,
+ remote_service,
+ type_of_ubus,
+ &uentity_computed_size,
+ &uentity_size,
+ &uentity_bytes,
+ &ustatus_registerClient_string,
+ ];
+ let status_string = status_strings.join("\n");
+
+ // Then we have to create a new Java string to return. Again, more info
+ // in the `strings` module.
+ let output = env.new_string(status_string)
+ .expect("Couldn't create java string!");
+
+ // Finally, extract the raw pointer to return.
+ output.into_raw()
+}
\ No newline at end of file
diff --git a/service/src/main/withUStreamer/java/UStreamerGlue.java b/service/src/main/withUStreamer/java/UStreamerGlue.java
new file mode 100644
index 0000000..8461b7f
--- /dev/null
+++ b/service/src/main/withUStreamer/java/UStreamerGlue.java
@@ -0,0 +1,15 @@
+package org.eclipse.uprotocol.core.ustreamer;
+
+import android.os.IBinder;
+
+public class UStreamerGlue {
+
+ public static native String forwardJavaBinder(IBinder binder);
+
+ static {
+ // This actually loads the shared object that we'll be creating.
+ // The actual location of the .so or .dll may differ based on your
+ // platform.
+ System.loadLibrary("ustreamer_bridge");
+ }
+}
diff --git a/service/src/main/withoutUStreamer/java/UStreamerGlue.java b/service/src/main/withoutUStreamer/java/UStreamerGlue.java
new file mode 100644
index 0000000..ebcdfe1
--- /dev/null
+++ b/service/src/main/withoutUStreamer/java/UStreamerGlue.java
@@ -0,0 +1,10 @@
+package org.eclipse.uprotocol.core.ustreamer;
+
+import android.os.IBinder;
+
+public class UStreamerGlue {
+
+ public static String forwardJavaBinder(IBinder binder) {
+ return "noop";
+ }
+}
\ No newline at end of file