diff options
Diffstat (limited to 'library/src')
| -rw-r--r-- | library/src/androidTest/java/akono/InstrumentedAkonoTests.kt | 85 | ||||
| -rw-r--r-- | library/src/main/AndroidManifest.xml | 7 | ||||
| -rw-r--r-- | library/src/main/cpp/CMakeLists.txt | 42 | ||||
| -rw-r--r-- | library/src/main/cpp/akono-jni.cpp | 588 | ||||
| -rw-r--r-- | library/src/main/java/akono/AkonoJni.kt | 208 | ||||
| -rw-r--r-- | library/src/main/java/akono/Library.kt | 10 | ||||
| -rw-r--r-- | library/src/test/java/akono/LibraryTest.kt | 16 |
7 files changed, 0 insertions, 956 deletions
diff --git a/library/src/androidTest/java/akono/InstrumentedAkonoTests.kt b/library/src/androidTest/java/akono/InstrumentedAkonoTests.kt deleted file mode 100644 index beda5119..00000000 --- a/library/src/androidTest/java/akono/InstrumentedAkonoTests.kt +++ /dev/null @@ -1,85 +0,0 @@ -package akono.test; - -import androidx.test.ext.junit.runners.AndroidJUnit4 -import org.junit.runner.RunWith -import org.junit.Test -import androidx.test.filters.LargeTest -import org.junit.Assert.assertEquals -import akono.AkonoJni -import akono.ModuleResult -import android.util.Log -import java.util.concurrent.LinkedBlockingDeque - - -class SyncMessageHandler : AkonoJni.MessageHandler { - private val messageQueue = LinkedBlockingDeque<String>() - override fun handleMessage(message: String) { - messageQueue.put(message) - } - - fun waitForMessage(): String { - return messageQueue.take() - } -} - - -class StaticModuleLoadHandler : AkonoJni.LoadModuleHandler { - private val modules: MutableMap<String, String> = HashMap() - - override fun loadModule(name: String, paths: Array<String>): ModuleResult? { - val code = modules.get(name) ?: return null - if (modules.containsKey(name)) { - return ModuleResult("/vmodroot/$name.js", code) - } - return null - } - - fun registerModule(name: String, source: String) { - modules[name] = source - } -} - - -// @RunWith is required only if you use a mix of JUnit3 and JUnit4. -@RunWith(AndroidJUnit4::class) -@LargeTest -public class InstrumentedAkonoTestOne { - @Test - fun myJsTest() { - val ajni: AkonoJni = AkonoJni() - assertEquals("2", ajni.evalSimpleJs("1+1")) - assertEquals("36", ajni.evalSimpleJs("6*6")) - assertEquals("42", ajni.evalSimpleJs("(()=>{let x = 42; return x;})()")) - assertEquals("undefined", ajni.evalSimpleJs("const myVal = 42")) - assertEquals("43", ajni.evalSimpleJs("myVal + 1")) - - val myHandler = SyncMessageHandler() - ajni.setMessageHandler(myHandler) - ajni.evalNodeCode("console.log('hi from the test case')") - // Tell the message handler to just ping back messages to us - ajni.evalNodeCode("global.__akono_onMessage = (x) => { global.__akono_sendMessage(x); }") - val sentMessage = "Hello AKONO!!" - ajni.sendMessage(sentMessage) - val receivedMessage = myHandler.waitForMessage() - assertEquals(sentMessage, receivedMessage) - Log.i("myapp", "test case received message: $receivedMessage") - - val myModHandler = StaticModuleLoadHandler() - - ajni.setLoadModuleHandler(myModHandler) - - myModHandler.registerModule("a", """ - |console.log('I am module a'); - |exports.foo = () => { global.__akono_sendMessage('hello42'); }; - """.trimMargin()) - - ajni.evalNodeCode("a = require('a');") - ajni.evalNodeCode("a.foo()") - - val msg2 = myHandler.waitForMessage() - - assertEquals("hello42", msg2) - - ajni.waitStopped() - } -} diff --git a/library/src/main/AndroidManifest.xml b/library/src/main/AndroidManifest.xml deleted file mode 100644 index 3a8d4915..00000000 --- a/library/src/main/AndroidManifest.xml +++ /dev/null @@ -1,7 +0,0 @@ -<manifest xmlns:android="http://schemas.android.com/apk/res/android" - package="net.taler.akono"> - - <uses-permission android:name="android.permission.INTERNET" /> - <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> - -</manifest> diff --git a/library/src/main/cpp/CMakeLists.txt b/library/src/main/cpp/CMakeLists.txt deleted file mode 100644 index 10d6396f..00000000 --- a/library/src/main/cpp/CMakeLists.txt +++ /dev/null @@ -1,42 +0,0 @@ -cmake_minimum_required(VERSION 3.4.1) - -add_library( - akono-jni SHARED - akono-jni.cpp -) - -set(deps_dir ${CMAKE_CURRENT_SOURCE_DIR}/../../../../deps) - -if(NOT EXISTS ${deps_dir}) - message( FATAL_ERROR "Dependency directory does not exist") -endif() - -set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++14") - -include_directories( - ${deps_dir}/android-node-v8/src - ${deps_dir}/android-node-v8/deps/v8/include - ${deps_dir}/android-node-v8/deps/uv/include -) - -add_library(node SHARED IMPORTED) -set_target_properties(node PROPERTIES IMPORTED_LOCATION - ${deps_dir}/compiled/${ANDROID_ABI}/libnode.so) - -add_library(v8 STATIC IMPORTED) -set_target_properties(v8 PROPERTIES IMPORTED_LOCATION - ${deps_dir}/compiled/${ANDROID_ABI}/libv8.cr.so) - -add_library(v8_platform STATIC IMPORTED) -set_target_properties(v8_platform PROPERTIES IMPORTED_LOCATION - ${deps_dir}/compiled/${ANDROID_ABI}/libv8_libplatform.cr.so) - -# Include libraries needed for hello-jni lib -target_link_libraries(akono-jni - v8 - v8_platform - node - android - log) - - diff --git a/library/src/main/cpp/akono-jni.cpp b/library/src/main/cpp/akono-jni.cpp deleted file mode 100644 index b9e71012..00000000 --- a/library/src/main/cpp/akono-jni.cpp +++ /dev/null @@ -1,588 +0,0 @@ -#include <string.h> -#include <jni.h> -#include <libplatform/libplatform.h> -#include <v8.h> - -#define NODE_WANT_INTERNALS 1 - -#include <node.h> - -#include <uv.h> -#include <unistd.h> -#include <android/log.h> -#include <node_main_instance.h> -#include <node_native_module_env.h> - - - -// Provide stubs so that libnode.so links properly -namespace node { - namespace native_module { - const bool has_code_cache = false; - - void NativeModuleEnv::InitializeCodeCache() {} - } - - v8::StartupData *NodeMainInstance::GetEmbeddedSnapshotBlob() { - return nullptr; - } - - const std::vector<size_t> *NodeMainInstance::GetIsolateDataIndexes() { - return nullptr; - } -} - - -static int pfd[2]; -static pthread_t thr; -static const char *tag = "myapp"; - - -static void *thread_func(void *) { - ssize_t rdsz; - char buf[128]; - while ((rdsz = read(pfd[0], buf, sizeof buf - 1)) > 0) { - if (buf[rdsz - 1] == '\n') --rdsz; - buf[rdsz] = 0; /* add null-terminator */ - __android_log_write(ANDROID_LOG_DEBUG, tag, buf); - } - return 0; -} - -static void mylog(const char *msg) { - __android_log_write(ANDROID_LOG_DEBUG, tag, msg); -} - -int start_logger(const char *app_name) { - tag = app_name; - - /* make stdout line-buffered and stderr unbuffered */ - setvbuf(stdout, 0, _IOLBF, 0); - setvbuf(stderr, 0, _IONBF, 0); - - /* create the pipe and redirect stdout and stderr */ - pipe(pfd); - dup2(pfd[1], 1); - dup2(pfd[1], 2); - - /* spawn the logging thread */ - if (pthread_create(&thr, 0, thread_func, 0) == -1) - return -1; - pthread_detach(thr); - return 0; -} - - -/** - * Helper class to manage conversion from a JNI string to a C string. - */ -class JStringValue { -private: - jstring m_jstr; - const char *m_cstr; - JNIEnv *m_env; -public: - JStringValue(JNIEnv *env, jstring s) : m_env(env), m_jstr(s) { - m_cstr = env->GetStringUTFChars(s, NULL); - } - - ~JStringValue() { - m_env->ReleaseStringUTFChars(m_jstr, m_cstr); - } - - const char *operator*() { - return m_cstr; - } -}; - - -/** - * Slightly more sane wrapper around node::Init - */ -static void InitNode(std::vector<const char *> argv) { - int ret_exec_argc = 0; - int ret_argc = argv.size(); - const char **ret_exec_argv = nullptr; - - node::Init(&ret_argc, &argv[0], &ret_exec_argc, &ret_exec_argv); -} - -// Forward declarations -void notifyCb(uv_async_t *async); - -static void sendMessageCallback(const v8::FunctionCallbackInfo<v8::Value> &args); -static void loadModuleCallback(const v8::FunctionCallbackInfo<v8::Value> &args); -static void getDataCallback(const v8::FunctionCallbackInfo<v8::Value> &args); - -static const char *main_code = "global.__akono_run = (x) => {" - " console.log('running code', x);" - " global.eval(x);" - "};" - "" - "global.__akono_onMessage = (x) => {" - " console.log('got __akono_onMessage', x);" - "};" - "" - "mod = require('module');" - "mod._saved_findPath = mod._findPath;" - "mod._akonoMods = {};" - "mod._findPath = (request, paths, isMain) => {" - " console.log('in _findPath');" - " const res = mod._saved_findPath(request, paths, isMain);" - " if (res !== false) return res;" - " const args = JSON.stringify({ request, paths});" - " const loadResult = JSON.parse(global.__akono_loadModule(args));" - " console.log('got loadModule result', loadResult);" - " if (!loadResult) return false;" - " mod._akonoMods[loadResult.path] = loadResult;" - " console.log('returning path', loadResult.path);" - " return loadResult.path;" - "};" - "" - "function stripBOM(content) {" - " if (content.charCodeAt(0) === 0xFEFF) {" - " content = content.slice(1);" - " }" - " return content;" - "}" - "" - "mod._saved_js_extension = mod._extensions[\".js\"];" - "mod._extensions[\".js\"] = (module, filename) => {" - " console.log('handling js extension', [module, filename]);" - " if (mod._akonoMods.hasOwnProperty(filename)) {" - " const akmod = mod._akonoMods[filename];" - " console.log('found mod', akmod);" - " const content = akmod.content;" - " return module._compile(stripBOM(content), filename);" - " }" - " console.log('falling back');" - " return mod._saved_js_extension(module, filename);" - "};"; - - -class NativeAkonoInstance { -private: - static bool logInitialized; - static bool v8Initialized; - //static std::unique_ptr<v8::Platform> platform; - static node::MultiIsolatePlatform *platform; -public: - v8::Isolate *isolate; - node::Environment *environment; - v8::Persistent<v8::Context> globalContext; - uv_async_t async_notify; - uv_loop_t *loop; - bool breakRequested = false; - JNIEnv *currentJniEnv = nullptr; - jobject currentJniThiz = nullptr; - - NativeAkonoInstance() : globalContext() { - loop = uv_default_loop(); - uv_async_init(loop, &async_notify, notifyCb); - async_notify.data = this; - - if (!logInitialized) { - start_logger("myapp"); - logInitialized = true; - } - - if (!v8Initialized) { - //platform = v8::platform::NewDefaultPlatform(); - //v8::V8::InitializePlatform(platform.get()); - //v8::V8::Initialize(); - - // Here, only the arguments used to initialize the global node/v8 platform - // are relevant, the others are skipped. - InitNode(std::vector<const char *>{"node", "-e", main_code}); - platform = node::InitializeV8Platform(10); - v8::V8::Initialize(); - - v8Initialized = true; - } - - node::ArrayBufferAllocator *allocator = node::CreateArrayBufferAllocator(); - this->isolate = node::NewIsolate(allocator, uv_default_loop()); - - - v8::Isolate::Scope isolate_scope(isolate); - v8::HandleScope handle_scope(isolate); - - node::IsolateData *isolateData = node::CreateIsolateData( - this->isolate, - uv_default_loop(), - platform, - allocator); - - - globalContext.Reset(isolate, node::NewContext(isolate)); - - v8::Local<v8::Context> context = globalContext.Get(isolate); - - // Arguments for node itself - std::vector<const char *> nodeArgv{"node", "-e", "console.log('hello world');"}; - // Arguments for the script run by node - std::vector<const char *> nodeExecArgv{}; - - mylog("entering global scopt"); - - v8::Context::Scope context_scope(globalContext.Get(isolate)); - - mylog("creating environment"); - - node::Environment *environment = node::CreateEnvironment( - isolateData, - globalContext.Get(isolate), - nodeArgv.size(), - &nodeArgv[0], - nodeExecArgv.size(), - &nodeExecArgv[0]); - - - mylog("loading environment"); - - node::LoadEnvironment(environment); - - mylog("finished loading environment"); - - v8::Local<v8::ObjectTemplate> dataTemplate = v8::ObjectTemplate::New(isolate); - dataTemplate->SetInternalFieldCount(1); - v8::Local<v8::Object> dataObject = dataTemplate->NewInstance(context).ToLocalChecked(); - dataObject->SetAlignedPointerInInternalField(0, this); - - v8::Local<v8::Function> sendMessageFunction = v8::Function::New(context, - sendMessageCallback, - dataObject).ToLocalChecked(); - - v8::Local<v8::Function> loadModuleFunction = v8::Function::New(context, - loadModuleCallback, - dataObject).ToLocalChecked(); - - v8::Local<v8::Function> getDataFunction = v8::Function::New(context, - getDataCallback, - dataObject).ToLocalChecked(); - - v8::Local<v8::Object> global = context->Global(); - - global->Set(v8::String::NewFromUtf8(isolate, "__akono_sendMessage", - v8::NewStringType::kNormal).ToLocalChecked(), - sendMessageFunction); - - global->Set(v8::String::NewFromUtf8(isolate, "__akono_loadModule", - v8::NewStringType::kNormal).ToLocalChecked(), - loadModuleFunction); - - // Get data synchronously (!) from the embedder - global->Set(v8::String::NewFromUtf8(isolate, "__akono_getData", - v8::NewStringType::kNormal).ToLocalChecked(), - getDataFunction); - - } - - /** - * Process the node message loop until a break has been requested. - * - * @param env JNI env of the thread we're running in. - */ - void runNode() { - this->breakRequested = false; - while (1) { - uv_run(uv_default_loop(), UV_RUN_ONCE); - if (this->breakRequested) - break; - } - } - - /** - * Inject code into the running node instance. - * - * Must not be called from a different thread. - */ - void makeCallback(const char *code) { - mylog("in makeCallback"); - v8::Isolate::Scope isolate_scope(isolate); - v8::HandleScope handle_scope(isolate); - v8::Local<v8::Context> context = globalContext.Get(isolate); - v8::Context::Scope context_scope(context); - v8::Local<v8::Object> global = context->Global(); - v8::Local<v8::Value> argv[] = { - v8::String::NewFromUtf8(isolate, code, - v8::NewStringType::kNormal).ToLocalChecked() - }; - mylog("calling node::MakeCallback"); - node::MakeCallback(isolate, global, "__akono_run", 1, argv, {0, 0}); - } - - ~NativeAkonoInstance() { - //this->isolate->Dispose(); - } - - jstring evalJs(JNIEnv *env, jstring sourceString) { - mylog("begin evalJs"); - - JStringValue jsv(env, sourceString); - - v8::Isolate::Scope isolate_scope(isolate); - - // Create a stack-allocated handle scope. - v8::HandleScope handle_scope(isolate); - - // Create a new context. - //v8::Local<v8::Context> context = v8::Context::New(isolate); - - v8::Local<v8::Context> context = globalContext.Get(isolate); - - // Enter the context for compiling and running the hello world script. - v8::Context::Scope context_scope(context); - - { - // Create a string containing the JavaScript source code. - v8::Local<v8::String> source = - v8::String::NewFromUtf8(isolate, *jsv, - v8::NewStringType::kNormal) - .ToLocalChecked(); - - // Compile the source code. - v8::Local<v8::Script> script; - - mylog("about to compile script"); - - if (!v8::Script::Compile(context, source).ToLocal(&script)) { - return nullptr; - } - - mylog("about to run script"); - - // Run the script to get the result. - v8::Local<v8::Value> result; - if (!script->Run(context).ToLocal(&result)) { - mylog("running script failed"); - return nullptr; - } - - mylog("converting script result value"); - - // Convert the result to an UTF8 string and print it. - v8::String::Utf8Value utf8(isolate, result); - - mylog("about to return value"); - - return env->NewStringUTF(*utf8); - } - } -}; - - -bool NativeAkonoInstance::v8Initialized = false; -bool NativeAkonoInstance::logInitialized = false; -node::MultiIsolatePlatform *NativeAkonoInstance::platform = nullptr; - - -void notifyCb(uv_async_t *async) { - NativeAkonoInstance *akono = (NativeAkonoInstance *) async->data; - mylog("async notifyCb called!"); - akono->breakRequested = true; -} - -static void sendMessageCallback(const v8::FunctionCallbackInfo<v8::Value> &args) { - if (args.Length() < 1) return; - v8::Isolate *isolate = args.GetIsolate(); - v8::HandleScope scope(isolate); - v8::Local<v8::Value> arg = args[0]; - v8::String::Utf8Value value(isolate, arg); - mylog("sendMessageCallback called, yay!"); - - v8::Local<v8::Object> data = v8::Local<v8::Object>::Cast(args.Data()); - - mylog("getting instance"); - NativeAkonoInstance *myInstance = (NativeAkonoInstance *) data->GetAlignedPointerFromInternalField(0); - - JNIEnv *env = myInstance->currentJniEnv; - - if (env == nullptr) { - mylog("FATAL: JNI env is nullptr"); - return; - } - - mylog("finding class"); - jclass clazz = env->FindClass("akono/AkonoJni"); - - if (clazz == nullptr) { - mylog("FATAL: class not found"); - return; - } - - mylog("creating strings"); - jstring jstr1 = env->NewStringUTF("message"); - jstring jstr2 = env->NewStringUTF(*value); - - mylog("getting method"); - - jmethodID meth = env->GetMethodID(clazz, "internalOnNotify", "(Ljava/lang/String;Ljava/lang/String;)V"); - - if (meth == nullptr) { - mylog("FATAL: method not found"); - return; - } - - mylog("calling method"); - - env->CallVoidMethod(myInstance->currentJniThiz, meth, jstr1, jstr2); -} - - -static void loadModuleCallback(const v8::FunctionCallbackInfo<v8::Value> &args) { - if (args.Length() < 1) return; - v8::Isolate *isolate = args.GetIsolate(); - v8::HandleScope scope(isolate); - v8::Local<v8::Value> arg = args[0]; - v8::String::Utf8Value value(isolate, arg); - mylog("sendMessageCallback called, yay!"); - - v8::Local<v8::Object> data = v8::Local<v8::Object>::Cast(args.Data()); - - mylog("getting instance"); - NativeAkonoInstance *myInstance = (NativeAkonoInstance *) data->GetAlignedPointerFromInternalField(0); - - JNIEnv *env = myInstance->currentJniEnv; - - if (env == nullptr) { - mylog("FATAL: JNI env is nullptr"); - return; - } - - mylog("finding class"); - jclass clazz = env->FindClass("akono/AkonoJni"); - - if (clazz == nullptr) { - mylog("FATAL: class not found"); - return; - } - - mylog("creating strings"); - jstring jstr1 = env->NewStringUTF(*value); - - mylog("getting method"); - - jmethodID meth = env->GetMethodID(clazz, "internalOnModuleLoad", "(Ljava/lang/String;)Ljava/lang/String;"); - - if (meth == nullptr) { - mylog("FATAL: method not found"); - return; - } - - mylog("calling method"); - - jstring jresult = (jstring) env->CallObjectMethod(myInstance->currentJniThiz, meth, jstr1); - - JStringValue resultStringValue(env, jresult); - - printf("before creating string, res %s\n", *resultStringValue); - - // Create a string containing the JavaScript source code. - v8::Local<v8::String> rs = - v8::String::NewFromUtf8(isolate, *resultStringValue, - v8::NewStringType::kNormal) - .ToLocalChecked(); - - args.GetReturnValue().Set(rs); -} - - -static void getDataCallback(const v8::FunctionCallbackInfo<v8::Value> &args) { - if (args.Length() < 1) return; - v8::Isolate *isolate = args.GetIsolate(); - v8::HandleScope scope(isolate); - v8::Local<v8::Value> arg = args[0]; - v8::String::Utf8Value value(isolate, arg); - mylog("getDataCallback called"); - - v8::Local<v8::Object> data = v8::Local<v8::Object>::Cast(args.Data()); - mylog("getting instance"); - NativeAkonoInstance *myInstance = (NativeAkonoInstance *) data->GetAlignedPointerFromInternalField(0); - - JNIEnv *env = myInstance->currentJniEnv; - if (env == nullptr) { - mylog("FATAL: JNI env is nullptr"); - return; - } - - mylog("finding class"); - jclass clazz = env->FindClass("akono/AkonoJni"); - - if (clazz == nullptr) { - mylog("FATAL: class not found"); - return; - } - - mylog("creating strings"); - jstring jstr1 = env->NewStringUTF(*value); - - mylog("getting method"); - - jmethodID meth = env->GetMethodID(clazz, "internalOnGetData", "(Ljava/lang/String;)Ljava/lang/String;"); - - if (meth == nullptr) { - mylog("FATAL: method not found"); - return; - } - - mylog("calling method"); - - jstring jresult = (jstring) env->CallObjectMethod(myInstance->currentJniThiz, meth, jstr1); - - JStringValue resultStringValue(env, jresult); - - printf("before creating string, res %s\n", *resultStringValue); - - // Create a string containing the JavaScript source code. - v8::Local<v8::String> rs = - v8::String::NewFromUtf8(isolate, *resultStringValue, - v8::NewStringType::kNormal) - .ToLocalChecked(); - - args.GetReturnValue().Set(rs); -} - - -extern "C" JNIEXPORT jobject JNICALL -Java_akono_AkonoJni_initNative(JNIEnv *env, jobject thiz) { - NativeAkonoInstance *myInstance = new NativeAkonoInstance(); - return env->NewDirectByteBuffer(myInstance, 0); -} - - -extern "C" JNIEXPORT void JNICALL -Java_akono_AkonoJni_destroyNative(JNIEnv *env, jobject thiz, jobject buf) { - NativeAkonoInstance *myInstance = (NativeAkonoInstance *) env->GetDirectBufferAddress(buf); - delete myInstance; -} - - -extern "C" JNIEXPORT jstring JNICALL -Java_akono_AkonoJni_evalJs(JNIEnv *env, jobject thiz, jstring sourceStr, jobject buf) { - NativeAkonoInstance *myInstance = (NativeAkonoInstance *) env->GetDirectBufferAddress(buf); - return myInstance->evalJs(env, sourceStr); -} - -extern "C" JNIEXPORT void JNICALL -Java_akono_AkonoJni_notifyNative(JNIEnv *env, jobject thiz, jobject buf) { - NativeAkonoInstance *myInstance = (NativeAkonoInstance *) env->GetDirectBufferAddress(buf); - uv_async_send(&myInstance->async_notify); -} - -extern "C" JNIEXPORT void JNICALL -Java_akono_AkonoJni_runNode(JNIEnv *env, jobject thiz, jobject buf) { - NativeAkonoInstance *myInstance = (NativeAkonoInstance *) env->GetDirectBufferAddress(buf); - myInstance->currentJniEnv = env; - myInstance->currentJniThiz = thiz; - myInstance->runNode(); -} - -extern "C" JNIEXPORT void JNICALL -Java_akono_AkonoJni_makeCallbackNative(JNIEnv *env, jobject thiz, jstring sourceStr, jobject buf) { - JStringValue jsv(env, sourceStr); - NativeAkonoInstance *myInstance = (NativeAkonoInstance *) env->GetDirectBufferAddress(buf); - myInstance->currentJniEnv = env; - myInstance->currentJniThiz = thiz; - return myInstance->makeCallback(*jsv); -} diff --git a/library/src/main/java/akono/AkonoJni.kt b/library/src/main/java/akono/AkonoJni.kt deleted file mode 100644 index 4a89a3f6..00000000 --- a/library/src/main/java/akono/AkonoJni.kt +++ /dev/null @@ -1,208 +0,0 @@ -package akono - -import android.util.Base64 -import android.util.Log -import org.json.JSONObject -import java.lang.Exception -import java.nio.ByteBuffer -import java.util.concurrent.CountDownLatch -import java.util.concurrent.LinkedBlockingDeque -import kotlin.concurrent.thread - -typealias AkonoNativePointer = ByteBuffer - -data class ModuleResult(val path: String, val contents: String) - -class AkonoJni(vararg nodeArgv: String) { - private var getDataHandler: GetDataHandler? = null - private var messageHandler: MessageHandler? = null - private var loadModuleHandler: LoadModuleHandler? = null - private val initializedLatch = CountDownLatch(1) - - private val workQueue = LinkedBlockingDeque<() -> Unit>() - - private external fun evalJs(source: String, p: AkonoNativePointer): String - private external fun runNode(p: AkonoNativePointer) - - private external fun makeCallbackNative(source: String, p: AkonoNativePointer) - - private external fun destroyNative(b: AkonoNativePointer) - private external fun initNative(nodeArgv: Array<out String>): AkonoNativePointer - private external fun notifyNative(b: AkonoNativePointer) - - private lateinit var internalNativePointer: AkonoNativePointer - - private val jniThread: Thread - - private var stopped = false - - /** - * Schedule a block do be executed in the node thread. - */ - private fun scheduleNodeThread(b: () -> Unit) { - initializedLatch.await() - workQueue.put(b) - notifyNative() - } - - /** - * Called by node/v8 from its thread. - */ - @Suppress("unused") - private fun internalOnNotify(type: String, payload: String) { - Log.i("myapp", "internalOnNotify called") - Log.i("myapp", "type: $type") - Log.i("myapp", "payload: $payload") - messageHandler?.handleMessage(payload) - } - - /** - * Called by node/v8 from its thread. - */ - @Suppress("unused") - private fun internalOnModuleLoad(loadInfoStr: String): String { - Log.i("myapp", "internalOnModuleLoad called") - Log.i("myapp", "loadInfoStr is $loadInfoStr") - try { - val loadInfo = JSONObject(loadInfoStr) - val request: String = loadInfo.getString("request") - Log.i("myapp", "request is $request") - val handler = loadModuleHandler - if (handler != null) { - val modResult = handler.loadModule(request, arrayOf()) ?: return "null" - val result = JSONObject() - result.put("path", modResult.path) - result.put("content", modResult.contents) - return result.toString() - } else { - Log.v("myapp", "no module load handler registered") - return "null" - } - } catch (e: Exception) { - Log.v("myapp", "exception during internalOnModuleLoad: $e") - return "null" - } - } - - /** - * Called by node/v8 from its thread. - */ - @Suppress("unused") - private fun internalOnGetData(what: String): String? { - Log.i("myapp", "internalOnGetData called for $what") - val data = getDataHandler?.handleGetData(what) ?: return null - return Base64.encodeToString(data, Base64.NO_WRAP) - } - - - fun notifyNative() { - initializedLatch.await() - notifyNative(internalNativePointer) - } - - /** - * Schedule Node.JS to be run. - */ - fun evalSimpleJs(source: String): String { - val latch = CountDownLatch(1) - var result: String? = null - scheduleNodeThread { - result = evalJs(source, internalNativePointer) - latch.countDown() - } - latch.await() - return result ?: throw Exception("invariant failed") - } - - fun evalNodeCode(source: String) { - scheduleNodeThread { - makeCallbackNative(source, internalNativePointer) - } - } - - /** - * Send a message to node, calling global.__akono_onMessage. - */ - fun sendMessage(message: String) { - val encoded = Base64.encodeToString(message.toByteArray(), Base64.NO_WRAP) - val source = """ - if (global.__akono_onMessage) { - const msg = (new Buffer('$encoded', 'base64')).toString('ascii'); - global.__akono_onMessage(msg); - } else { - console.log("WARN: no __akono_onMessage defined"); - } - """.trimIndent() - evalNodeCode(source) - } - - /** - * - */ - fun waitStopped(): Unit { - Log.i("myapp", "waiting for stop") - scheduleNodeThread { - stopped = true - } - jniThread.join() - return - } - - /** - * Register a message handler that is called when the JavaScript code - * running in [runNodeJs] calls __akono_sendMessage - * - * Does not block. - */ - fun setMessageHandler(handler: MessageHandler) { - this.messageHandler = handler - } - - fun setLoadModuleHandler(handler: LoadModuleHandler) { - this.loadModuleHandler = handler - } - - fun setGetDataHandler(handler: GetDataHandler) { - this.getDataHandler = handler - } - - @Override - protected fun finalize() { - destroyNative(internalNativePointer) - } - - init { - jniThread = thread { - internalNativePointer = initNative(nodeArgv) - initializedLatch.countDown() - while (true) { - runNode(internalNativePointer) - while (true) { - val w = workQueue.poll() ?: break - w() - } - if (stopped) { - break - } - } - } - } - - companion object { - init { - System.loadLibrary("akono-jni") - } - } - - interface MessageHandler { - fun handleMessage(message: String) - } - - interface LoadModuleHandler { - fun loadModule(name: String, paths: Array<String>): ModuleResult? - } - - interface GetDataHandler { - fun handleGetData(what: String): ByteArray? - } -}
\ No newline at end of file diff --git a/library/src/main/java/akono/Library.kt b/library/src/main/java/akono/Library.kt deleted file mode 100644 index 920648fd..00000000 --- a/library/src/main/java/akono/Library.kt +++ /dev/null @@ -1,10 +0,0 @@ -/* - * This Kotlin source file was generated by the Gradle 'init' task. - */ -package akono - -class Library { - fun someLibraryMethod(): Boolean { - return true - } -} diff --git a/library/src/test/java/akono/LibraryTest.kt b/library/src/test/java/akono/LibraryTest.kt deleted file mode 100644 index 1a16e7e6..00000000 --- a/library/src/test/java/akono/LibraryTest.kt +++ /dev/null @@ -1,16 +0,0 @@ -/* - * This Kotlin source file was generated by the Gradle 'init' task. - */ -package akono - -import kotlin.test.Test -import kotlin.test.assertTrue -import kotlin.test.assertEquals - -import akono.AkonoJni - -class LibraryTest { - @Test fun testSomeLibraryMethod() { - assertTrue(true) - } -} |