feat: import Jenny for JNI

Signed-off-by: DazeCake <[email protected]>
DazeCake · Mar 25, 2024 · bdb685f · bdb685f
1 parent 2ca454f
commit bdb685f
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Showing 8 changed files with 1,293 additions and 5 deletions.
diff --git a/agent/build.gradle.kts b/agent/build.gradle.kts
@@ -3,6 +3,7 @@ import com.android.build.gradle.internal.tasks.factory.dependsOn
 plugins {
     alias(libs.plugins.androidApplication)
     alias(libs.plugins.jetbrainsKotlinAndroid)
+    kotlin("kapt")
 }
 
 android {
@@ -32,6 +33,16 @@ android {
             }
         }
     }
+    // make sure java compile is executed before ndk compile
+    // because we rely on Jenny generating cpp code
+    applicationVariants.all { variant ->
+        variant.externalNativeBuildProviders.forEach {
+            it.configure {
+                it.dependsOn(variant.javaCompileProvider.name)
+            }
+        }
+        return@android
+    }
 
     buildTypes {
         release {
@@ -44,7 +55,7 @@ android {
     }
     externalNativeBuild {
         cmake {
-            path("CMakeLists.txt")
+            path("src/main/cpp/CMakeLists.txt")
         }
     }
     compileOptions {
@@ -64,6 +75,35 @@ dependencies {
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
+
+    // Jenny https://github.com/LanderlYoung/Jenny
+    compileOnly(libs.jenny.annotation)
+    kapt(libs.jenny.compiler)
+}
+
+kapt {
+    arguments {
+        // pass arguments to jenny
+        // arg("jenny.threadSafe", "false")
+        arg("jenny.errorLoggerFunction", "jennySampleErrorLog")
+        // arg("jenny.outputDirectory", project.buildDir.absolutePath+"/test")
+        arg("jenny.headerOnlyProxy", "true")
+        arg("jenny.useJniHelper", "true")
+        // arg("jenny.fusionProxyHeaderName", "JennyFusionProxy.h")
+    }
+}
+
+tasks.register<Copy>("copyGeneratedCpp") {
+    val generatedDir = "generated/source/kapt/debug"
+    val buildDir = project.layout.buildDirectory.get().asFile
+    copy {
+        from(File(buildDir, "${generatedDir}/jenny/proxy"))
+        into(project.file("src/main/cpp/gen"))
+    }
+//    copy {
+//        from(File(buildDir, "${generatedDir}/jenny/glue/header"))
+//        into(project.file("src/main/cpp"))
+//    }
 }
 
 tasks.register<Exec>("pushAgent") {
@@ -85,4 +125,11 @@ tasks.register<Exec>("runAgent") {
         "/",
         "com.dazecake.autodroidx.Main"
     )
-}.dependsOn("pushAgent")
+}.dependsOn("pushAgent")
+
+afterEvaluate {
+    // copy file to source after jenny generate
+    tasks.named("kaptDebugKotlin") {
+        finalizedBy("copyGeneratedCpp")
+    }
+}
diff --git a/agent/CMakeLists.txt → agent/src/main/cpp/CMakeLists.txt b/agent/CMakeLists.txt → agent/src/main/cpp/CMakeLists.txt
@@ -1,9 +1,13 @@
 cmake_minimum_required(VERSION 3.22.1)
 
+include_directories(
+        gen
+)
+
 add_library(
         ScriptLoader
         SHARED
-        src/main/cpp/ScriptLoader.cpp
+        ScriptLoader.cpp
 )
 
 find_library(

diff --git a/agent/src/main/cpp/ScriptLoader.cpp b/agent/src/main/cpp/ScriptLoader.cpp
@@ -1,5 +1,8 @@
 #include <jni.h>
 #include <string>
+#include "android/log.h"
+#include "LogProxy.h"
+#include "jenny_fusion_proxies.h"
 
 //
 // Created by DazeCake on 2024/3/21.
@@ -9,5 +12,28 @@ extern "C"
 JNIEXPORT jstring JNICALL
 Java_com_dazecake_autodroidx_loader_JNI_stringFromJNI(JNIEnv *env, jobject thiz) {
     std::string hello = "Hello from C++";
+    jenny::LocalRef<jstring> str(env->NewStringUTF("Hello from C call Kt log"));
+    jennySampleErrorLog(env, "Native error log from C++");
+    LogProxy::i(str);
     return env->NewStringUTF(hello.c_str());
+}
+
+JNIEXPORT jint JNI_OnLoad(JavaVM *vm, void *reserved) {
+    JNIEnv *env;
+    if (vm->GetEnv(reinterpret_cast<void **>(&env),
+                   JNI_VERSION_1_6) != JNI_OK) {
+        return -1;
+    }
+    ::jenny::Env::attachJvm(vm);
+
+    auto ok = jenny::initAllProxies(env);
+
+    assert(ok);
+
+    return JNI_VERSION_1_6;
+}
+
+void jennySampleErrorLog(JNIEnv *env, const char *error) {
+    __android_log_write(ANDROID_LOG_ERROR, "AutoDroidX-C", error);
+    env->ExceptionDescribe();
 }