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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <iterator>
#include <dlfcn.h>
#include <jni.h>
#include <android/log.h>
#include <nativehelper/jni_macros.h>
#include <nativehelper/scoped_local_ref.h>
#include <nativehelper/scoped_string_chars.h>
#include <nativehelper/scoped_utf_chars.h>
#include <nativehelper/JNIPlatformHelp.h>
#include "libnativehelper_test.h"
namespace {
static void throwException(JNIEnv* env, jclass /*clazz*/, jstring className, jstring message) {
ScopedUtfChars c(env, className);
ScopedUtfChars m(env, message);
jniThrowException(env, c.c_str(), m.c_str());
}
static void throwExceptionWithIntFormat(JNIEnv* env,
jclass /*clazz*/,
jstring className,
jstring format,
jint value) {
ScopedUtfChars c(env, className);
ScopedUtfChars f(env, format);
jniThrowExceptionFmt(env, c.c_str(), f.c_str(), value);
}
static void throwNullPointerException(JNIEnv* env,
jclass /*clazz*/,
jstring message) {
ScopedUtfChars m(env, message);
jniThrowNullPointerException(env, m.c_str());
}
static void throwRuntimeException(JNIEnv* env, jclass /*clazz*/, jstring message) {
ScopedUtfChars m(env, message);
jniThrowRuntimeException(env, m.c_str());
}
static void throwIOException(JNIEnv* env, jclass /*clazz*/, jint cause) {
jniThrowIOException(env, cause);
}
static void throwErrnoException(JNIEnv* env, jclass /*clazz*/, jstring functionName, jint cause) {
ScopedUtfChars m(env, functionName);
jniThrowErrnoException(env, m.c_str(), cause);
}
static void logException(JNIEnv* env, jclass /*clazz*/, jthrowable throwable) {
jniLogException(env, ANDROID_LOG_VERBOSE, __FILE__, throwable);
}
static jobject fileDescriptorCreate(JNIEnv* env, jclass /*clazz*/, jint unix_fd) {
return jniCreateFileDescriptor(env, unix_fd);
}
static jint fileDescriptorGetFD(JNIEnv* env, jclass /*clazz*/, jobject jiofd) {
return jniGetFDFromFileDescriptor(env, jiofd);
}
static void fileDescriptorSetFD(JNIEnv* env, jclass /*clazz*/, jobject jiofd, jint unix_fd) {
jniSetFileDescriptorOfFD(env, jiofd, unix_fd);
}
static jstring createString(JNIEnv* env, jclass /*clazz*/, jstring value) {
ScopedStringChars ssc(env, value);
return jniCreateString(env, ssc.get(), ssc.size());
}
} // namespace
JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
JNIEnv* env;
if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
return JNI_ERR;
}
static const JNINativeMethod methods[] = {
MAKE_JNI_NATIVE_METHOD("throwException",
"(Ljava/lang/String;Ljava/lang/String;)V",
throwException),
MAKE_JNI_NATIVE_METHOD("throwExceptionWithIntFormat",
"(Ljava/lang/String;Ljava/lang/String;I)V",
throwExceptionWithIntFormat),
MAKE_JNI_NATIVE_METHOD("throwNullPointerException",
"(Ljava/lang/String;)V",
throwNullPointerException),
MAKE_JNI_NATIVE_METHOD("throwRuntimeException",
"(Ljava/lang/String;)V",
throwRuntimeException),
MAKE_JNI_NATIVE_METHOD("throwIOException",
"(I)V",
throwIOException),
MAKE_JNI_NATIVE_METHOD("throwErrnoException",
"(Ljava/lang/String;I)V",
throwErrnoException),
MAKE_JNI_NATIVE_METHOD("logException",
"(Ljava/lang/Throwable;)V",
logException),
MAKE_JNI_NATIVE_METHOD("fileDescriptorCreate",
"(I)Ljava/io/FileDescriptor;",
fileDescriptorCreate),
MAKE_JNI_NATIVE_METHOD("fileDescriptorGetFD",
"(Ljava/io/FileDescriptor;)I",
fileDescriptorGetFD),
MAKE_JNI_NATIVE_METHOD("fileDescriptorSetFD",
"(Ljava/io/FileDescriptor;I)V",
fileDescriptorSetFD),
MAKE_JNI_NATIVE_METHOD("createString",
"(Ljava/lang/String;)Ljava/lang/String;",
createString),
};
int rc = jniRegisterNativeMethods(env,
"com/android/art/libnativehelper/JniHelpTest",
methods,
std::size(methods));
if (rc != JNI_OK) return rc;
return JNI_VERSION_1_6;
}
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