system/vulkan_enc/VulkanStream.h

// Copyright (C) 2018 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.
#pragma once

#include "android/base/files/Stream.h"
#include "android/base/files/StreamSerializing.h"

#include <memory>

class IOStream;

namespace goldfish_vk {

class VulkanStream : public android::base::Stream {
public:
    VulkanStream(IOStream* stream);
    ~VulkanStream();

    // Returns whether the connection is valid.
    bool valid();

    // General allocation function
    void alloc(void** ptrAddr, size_t bytes);

    // Utility functions to load strings or
    // string arrays in place with allocation.
    void loadStringInPlace(char** forOutput);
    void loadStringArrayInPlace(char*** forOutput);

    ssize_t read(void *buffer, size_t size) override;
    ssize_t write(const void *buffer, size_t size) override;

private:
    class Impl;
    std::unique_ptr<Impl> mImpl;
};

} // namespace goldfish_vk