//===----------------------------------------------------------------------===//

//

// This source file is part of the SwiftNIO open source project

//

// Copyright (c) 2026 Apple Inc. and the SwiftNIO project authors

// Licensed under Apache License v2.0

//

// See LICENSE.txt for license information

// See CONTRIBUTORS.txt for the list of SwiftNIO project authors

//

// SPDX-License-Identifier: Apache-2.0

//

//===----------------------------------------------------------------------===//

import NIOCore

extension BaseSocketChannel where SocketType: BaseSocket {

    /// The underlying transport type backing this channel.

    typealias Transport = NIOBSDSocket.Handle

    /// Provides scoped access to the socket file handle.

    func withUnsafeTransport<Result>(_ body: (_ transport: NIOBSDSocket.Handle) throws -> Result) throws -> Result {

        try self.socket.withUnsafeHandle(body)

    }

}

extension BaseSocketChannel where SocketType: PipePair {

    /// The underlying transport type backing this channel.

    typealias Transport = NIOBSDSocket.PipeHandle

    /// Provides scoped access to the pipe file descriptors.

    func withUnsafeTransport<Result>(_ body: (_ transport: NIOBSDSocket.PipeHandle) throws -> Result) throws -> Result {

        try body(

            NIOBSDSocket.PipeHandle(

                input: self.socket.input?.fileDescriptor ?? NIOBSDSocket.invalidHandle,

                output: self.socket.output?.fileDescriptor ?? NIOBSDSocket.invalidHandle

            )

        )

    }

}

extension SocketChannel: NIOTransportAccessibleChannelCore {}

extension ServerSocketChannel: NIOTransportAccessibleChannelCore {}

extension DatagramChannel: NIOTransportAccessibleChannelCore {}

extension PipeChannel: NIOTransportAccessibleChannelCore {}