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/*
* Copyright (C) 2016 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.
*/
#ifndef EPHEMERAL_STORAGE_H_
#define EPHEMERAL_STORAGE_H_
#include <android-base/macros.h>
#include <hidl/HidlSupport.h>
#include <jni.h>
#include <utils/Vector.h>
namespace android {
#define DECLARE_ALLOC_METHODS(Suffix,Type) \
const ::android::hardware::hidl_vec<Type> * \
allocTemporary ## Suffix ## Vector( \
JNIEnv *env, Type ## Array arrayObj);
struct EphemeralStorage {
EphemeralStorage();
~EphemeralStorage();
void release(JNIEnv *env);
hardware::hidl_string *allocStringArray(size_t size);
void *allocTemporaryStorage(size_t size);
const ::android::hardware::hidl_string *allocTemporaryString(
JNIEnv *env, jstring stringObj);
native_handle_t *allocTemporaryNativeHandle(int numFds, int numInts);
DECLARE_ALLOC_METHODS(Int8,jbyte)
DECLARE_ALLOC_METHODS(Int16,jshort)
DECLARE_ALLOC_METHODS(Int32,jint)
DECLARE_ALLOC_METHODS(Int64,jlong)
DECLARE_ALLOC_METHODS(Float,jfloat)
DECLARE_ALLOC_METHODS(Double,jdouble)
private:
enum Type {
TYPE_STRING_ARRAY,
TYPE_STORAGE,
TYPE_STRING,
TYPE_Int8_ARRAY,
TYPE_Int16_ARRAY,
TYPE_Int32_ARRAY,
TYPE_Int64_ARRAY,
TYPE_Float_ARRAY,
TYPE_Double_ARRAY,
TYPE_NATIVE_HANDLE,
};
struct Item {
Type mType;
jobject mObj;
void *mPtr;
};
Vector<Item> mItems;
DISALLOW_COPY_AND_ASSIGN(EphemeralStorage);
};
#undef DECLARE_ALLOC_METHODS
} // namespace android
#endif // EPHEMERAL_STORAGE_H_
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