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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/CircularQueue.h>
#include <AK/Vector.h>
#include <Kernel/Devices/CharacterDevice.h>
namespace Kernel {
class ConsoleDevice final : public CharacterDevice {
friend class DeviceManagement;
public:
static NonnullRefPtr<ConsoleDevice> must_create();
virtual ~ConsoleDevice() override;
// ^CharacterDevice
virtual bool can_read(Kernel::OpenFileDescription const&, u64) const override;
virtual bool can_write(Kernel::OpenFileDescription const&, u64) const override { return true; }
virtual ErrorOr<size_t> read(OpenFileDescription&, u64, Kernel::UserOrKernelBuffer&, size_t) override;
virtual ErrorOr<size_t> write(OpenFileDescription&, u64, Kernel::UserOrKernelBuffer const&, size_t) override;
virtual StringView class_name() const override { return "Console"sv; }
void put_char(char);
CircularQueue<char, 16384> const& logbuffer() const { return m_logbuffer; }
private:
ConsoleDevice();
CircularQueue<char, 16384> m_logbuffer;
};
}
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