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#![doc(

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#![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]

// Copyright (c) 2024, Sevki <s@sevki.io>

// Copyright 2018 The ChromiumOS Authors

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

// found in the LICENSE file.

pub mod messages;

pub mod ninep_2000_l;

use std::io;

pub use self::messages::*;

    } else {

        // Make a best-effort guess based on the kind.

        }

    };

// Tlopen and Tlcreate flags.  Taken from "include/net/9p/9p.h" in the linux tree.

pub const P9_RDONLY: u32 = 0o00000000;

pub const P9_WRONLY: u32 = 0o00000001;

pub const P9_RDWR: u32 = 0o00000002;

pub const P9_NOACCESS: u32 = 0o00000003;

pub const P9_CREATE: u32 = 0o00000100;

pub const P9_EXCL: u32 = 0o00000200;

pub const P9_NOCTTY: u32 = 0o00000400;

pub const P9_TRUNC: u32 = 0o00001000;

pub const P9_APPEND: u32 = 0o00002000;

pub const P9_NONBLOCK: u32 = 0o00004000;

pub const P9_DSYNC: u32 = 0o00010000;

pub const P9_FASYNC: u32 = 0o00020000;

pub const P9_DIRECT: u32 = 0o00040000;

pub const P9_LARGEFILE: u32 = 0o00100000;

pub const P9_DIRECTORY: u32 = 0o00200000;

pub const P9_NOFOLLOW: u32 = 0o00400000;

pub const P9_NOATIME: u32 = 0o01000000;

pub const _P9_CLOEXEC: u32 = 0o02000000;

pub const P9_SYNC: u32 = 0o04000000;

// Mapping from 9P flags to libc flags.

pub const MAPPED_FLAGS: [(u32, i32); 16] = [

    (P9_WRONLY, libc::O_WRONLY),

    (P9_RDWR, libc::O_RDWR),

    (P9_CREATE, libc::O_CREAT),

    (P9_EXCL, libc::O_EXCL),

    (P9_NOCTTY, libc::O_NOCTTY),

    (P9_TRUNC, libc::O_TRUNC),

    (P9_APPEND, libc::O_APPEND),

    (P9_NONBLOCK, libc::O_NONBLOCK),

    (P9_DSYNC, libc::O_DSYNC),

    (P9_FASYNC, 0), // Unsupported

    (P9_DIRECT, libc::O_DIRECT),

    (P9_LARGEFILE, libc::O_LARGEFILE),

    (P9_DIRECTORY, libc::O_DIRECTORY),

    (P9_NOFOLLOW, libc::O_NOFOLLOW),

    (P9_NOATIME, libc::O_NOATIME),

    (P9_SYNC, libc::O_SYNC),

];

// 9P Qid types.  Taken from "include/net/9p/9p.h" in the linux tree.

pub const P9_QTDIR: u8 = 0x80;

pub const _P9_QTAPPEND: u8 = 0x40;

pub const _P9_QTEXCL: u8 = 0x20;

pub const _P9_QTMOUNT: u8 = 0x10;

pub const _P9_QTAUTH: u8 = 0x08;

pub const _P9_QTTMP: u8 = 0x04;

pub const P9_QTSYMLINK: u8 = 0x02;

pub const _P9_QTLINK: u8 = 0x01;

pub const P9_QTFILE: u8 = 0x00;

// Bitmask values for the getattr request.

pub const _P9_GETATTR_MODE: u64 = 0x00000001;

pub const _P9_GETATTR_NLINK: u64 = 0x00000002;

pub const _P9_GETATTR_UID: u64 = 0x00000004;

pub const _P9_GETATTR_GID: u64 = 0x00000008;

pub const _P9_GETATTR_RDEV: u64 = 0x00000010;

pub const _P9_GETATTR_ATIME: u64 = 0x00000020;

pub const _P9_GETATTR_MTIME: u64 = 0x00000040;

pub const _P9_GETATTR_CTIME: u64 = 0x00000080;

pub const _P9_GETATTR_INO: u64 = 0x00000100;

pub const _P9_GETATTR_SIZE: u64 = 0x00000200;

pub const _P9_GETATTR_BLOCKS: u64 = 0x00000400;

pub const _P9_GETATTR_BTIME: u64 = 0x00000800;

pub const _P9_GETATTR_GEN: u64 = 0x00001000;

pub const _P9_GETATTR_DATA_VERSION: u64 = 0x00002000;

pub const P9_GETATTR_BASIC: u64 = 0x000007ff; /* Mask for fields up to BLOCKS */

pub const _P9_GETATTR_ALL: u64 = 0x00003fff; /* Mask for All fields above */

// Bitmask values for the setattr request.

pub const P9_SETATTR_MODE: u32 = 0x00000001;

pub const P9_SETATTR_UID: u32 = 0x00000002;

pub const P9_SETATTR_GID: u32 = 0x00000004;

pub const P9_SETATTR_SIZE: u32 = 0x00000008;

pub const P9_SETATTR_ATIME: u32 = 0x00000010;

pub const P9_SETATTR_MTIME: u32 = 0x00000020;

pub const P9_SETATTR_CTIME: u32 = 0x00000040;

pub const P9_SETATTR_ATIME_SET: u32 = 0x00000080;

pub const P9_SETATTR_MTIME_SET: u32 = 0x00000100;

// 9p lock constants. Taken from "include/net/9p/9p.h" in the linux kernel.

pub const _P9_LOCK_TYPE_RDLCK: u8 = 0;

pub const _P9_LOCK_TYPE_WRLCK: u8 = 1;

pub const P9_LOCK_TYPE_UNLCK: u8 = 2;

pub const _P9_LOCK_FLAGS_BLOCK: u8 = 1;

pub const _P9_LOCK_FLAGS_RECLAIM: u8 = 2;

pub const P9_LOCK_SUCCESS: u8 = 0;

pub const _P9_LOCK_BLOCKED: u8 = 1;

pub const _P9_LOCK_ERROR: u8 = 2;

pub const _P9_LOCK_GRACE: u8 = 3;

// Minimum and maximum message size that we'll expect from the client.

pub const MIN_MESSAGE_SIZE: u32 = 256;

pub const MAX_MESSAGE_SIZE: u32 = 64 * 1024 + 24; // 64 KiB of payload plus some extra for the header

pub enum Version {

    V9P2000 = 0,

    V9P2000U = 1,

    V9P2000L = 2,

    V9P2000Lu = 3,

    V9P2024q9p = 4,

}

impl From<&str> for Version {

        }

}

impl From<String> for Version {

        }

}

impl From<Version> for String {

        }

}

impl From<Version> for &str {

        }

}

pub const DEFAULT_MSIZE: u32 = 8192;