// Copyright 2022 The ChromiumOS Authors

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.

use std::io;

use base::Event;

use base::FileSync;

use base::RawDescriptor;

use hypervisor::ProtectionType;

use crate::serial_device::SerialInput;

use crate::serial_device::SerialOptions;

use crate::sys::serial_device::SerialDevice;

use crate::Serial;

// TODO(b/234469655): Remove type alias once ReadNotifier is implemented for

// PipeConnection.

pub(crate) type InStreamType = Box<dyn SerialInput>;

impl SerialDevice for Serial {

    /// Constructs a Serial device ready for input and output.

    ///

    /// The stream `input` should not block, instead returning 0 bytes if are no bytes available.

    fn new(

        _protection_type: ProtectionType,

        interrupt_evt: Event,

        input: Option<Box<dyn SerialInput>>,

        out: Option<Box<dyn io::Write + Send>>,

        _sync: Option<Box<dyn FileSync + Send>>,

        options: SerialOptions,

        _keep_rds: Vec<RawDescriptor>,

    ) -> Serial {

        Serial::new_common(interrupt_evt, input, out, options.out_timestamp)

    }

}