// // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020 // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // #include #include #include #include #include #include #include #include namespace td_jni { static td::td_api::object_ptr fetch_function(JNIEnv *env, jobject function) { td::jni::reset_parse_error(); auto result = td::td_api::Function::fetch(env, function); if (td::jni::have_parse_error()) { std::abort(); } return result; } static td::Client *get_client(jlong client_id) { return reinterpret_cast(static_cast(client_id)); } static jlong Client_createNativeClient(JNIEnv *env, jclass clazz) { return static_cast(reinterpret_cast(new td::Client())); } static void Client_nativeClientSend(JNIEnv *env, jclass clazz, jlong client_id, jlong id, jobject function) { get_client(client_id)->send({static_cast(id), fetch_function(env, function)}); } static jint Client_nativeClientReceive(JNIEnv *env, jclass clazz, jlong client_id, jlongArray ids, jobjectArray events, jdouble timeout) { auto client = get_client(client_id); jsize events_size = env->GetArrayLength(ids); // ids and events size must be of equal size if (events_size == 0) { return 0; } jsize result_size = 0; auto response = client->receive(timeout); while (response.object) { jlong result_id = static_cast(response.id); env->SetLongArrayRegion(ids, result_size, 1, &result_id); jobject object; response.object->store(env, object); env->SetObjectArrayElement(events, result_size, object); env->DeleteLocalRef(object); result_size++; if (result_size == events_size) { break; } response = client->receive(0); } return result_size; } static jobject Client_nativeClientExecute(JNIEnv *env, jclass clazz, jobject function) { jobject result; td::Client::execute({0, fetch_function(env, function)}).object->store(env, result); return result; } static void Client_destroyNativeClient(JNIEnv *env, jclass clazz, jlong client_id) { delete get_client(client_id); } static void Log_setVerbosityLevel(JNIEnv *env, jclass clazz, jint new_log_verbosity_level) { td::Log::set_verbosity_level(static_cast(new_log_verbosity_level)); } static jboolean Log_setFilePath(JNIEnv *env, jclass clazz, jstring file_path) { return td::Log::set_file_path(td::jni::from_jstring(env, file_path)) ? JNI_TRUE : JNI_FALSE; } static void Log_setMaxFileSize(JNIEnv *env, jclass clazz, jlong max_file_size) { td::Log::set_max_file_size(max_file_size); } static jstring Object_toString(JNIEnv *env, jobject object) { return td::jni::to_jstring(env, to_string(td::td_api::Object::fetch(env, object))); } static jstring Function_toString(JNIEnv *env, jobject object) { return td::jni::to_jstring(env, to_string(td::td_api::Function::fetch(env, object))); } static constexpr jint JAVA_VERSION = JNI_VERSION_1_6; static JavaVM *java_vm; static jclass log_class; static void on_fatal_error(const char *error_message) { auto env = td::jni::get_jni_env(java_vm, JAVA_VERSION); jmethodID on_fatal_error_method = env->GetStaticMethodID(log_class, "onFatalError", "(Ljava/lang/String;)V"); if (env && on_fatal_error_method) { jstring error_str = td::jni::to_jstring(env.get(), error_message); env->CallStaticVoidMethod(log_class, on_fatal_error_method, error_str); if (error_str) { env->DeleteLocalRef(error_str); } } } static jint register_native(JavaVM *vm) { JNIEnv *env; if (vm->GetEnv(reinterpret_cast(&env), JAVA_VERSION) != JNI_OK) { return -1; } java_vm = vm; auto register_method = [env](jclass clazz, std::string name, std::string signature, auto function_ptr) { td::jni::register_native_method(env, clazz, std::move(name), std::move(signature), reinterpret_cast(function_ptr)); }; auto client_class = td::jni::get_jclass(env, PACKAGE_NAME "/Client"); log_class = td::jni::get_jclass(env, PACKAGE_NAME "/Log"); auto object_class = td::jni::get_jclass(env, PACKAGE_NAME "/TdApi$Object"); auto function_class = td::jni::get_jclass(env, PACKAGE_NAME "/TdApi$Function"); #define TD_OBJECT "L" PACKAGE_NAME "/TdApi$Object;" #define TD_FUNCTION "L" PACKAGE_NAME "/TdApi$Function;" register_method(client_class, "createNativeClient", "()J", Client_createNativeClient); register_method(client_class, "nativeClientSend", "(JJ" TD_FUNCTION ")V", Client_nativeClientSend); register_method(client_class, "nativeClientReceive", "(J[J[" TD_OBJECT "D)I", Client_nativeClientReceive); register_method(client_class, "nativeClientExecute", "(" TD_FUNCTION ")" TD_OBJECT, Client_nativeClientExecute); register_method(client_class, "destroyNativeClient", "(J)V", Client_destroyNativeClient); register_method(log_class, "setVerbosityLevel", "(I)V", Log_setVerbosityLevel); register_method(log_class, "setFilePath", "(Ljava/lang/String;)Z", Log_setFilePath); register_method(log_class, "setMaxFileSize", "(J)V", Log_setMaxFileSize); register_method(object_class, "toString", "()Ljava/lang/String;", Object_toString); register_method(function_class, "toString", "()Ljava/lang/String;", Function_toString); #undef TD_FUNCTION #undef TD_OBJECT td::jni::init_vars(env, PACKAGE_NAME); td::td_api::Object::init_jni_vars(env, PACKAGE_NAME); td::td_api::Function::init_jni_vars(env, PACKAGE_NAME); td::Log::set_fatal_error_callback(on_fatal_error); return JAVA_VERSION; } } // namespace td_jni JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) { static jint jni_version = td_jni::register_native(vm); // call_once return jni_version; }