Line data    Source code

       1              : //! Enum-dispatch to the `OpenOptions` type of the respective [`super::IoEngineKind`];
       2              : 
       3              : use super::io_engine::IoEngine;
       4              : use std::{os::fd::OwnedFd, path::Path};
       5              : 
       6         2522 : #[derive(Debug, Clone)]
       7              : pub enum OpenOptions {
       8              :     StdFs(std::fs::OpenOptions),
       9              :     #[cfg(target_os = "linux")]
      10              :     TokioEpollUring(tokio_epoll_uring::ops::open_at::OpenOptions),
      11              : }
      12              : 
      13              : impl Default for OpenOptions {
      14         2316 :     fn default() -> Self {
      15         2316 :         match super::io_engine::get() {
      16            0 :             IoEngine::NotSet => panic!("io engine not set"),
      17         1158 :             IoEngine::StdFs => Self::StdFs(std::fs::OpenOptions::new()),
      18              :             #[cfg(target_os = "linux")]
      19              :             IoEngine::TokioEpollUring => {
      20         1158 :                 Self::TokioEpollUring(tokio_epoll_uring::ops::open_at::OpenOptions::new())
      21              :             }
      22              :         }
      23         2316 :     }
      24              : }
      25              : 
      26              : impl OpenOptions {
      27         2316 :     pub fn new() -> OpenOptions {
      28         2316 :         Self::default()
      29         2316 :     }
      30              : 
      31         1734 :     pub fn read(&mut self, read: bool) -> &mut OpenOptions {
      32         1734 :         match self {
      33          867 :             OpenOptions::StdFs(x) => {
      34          867 :                 let _ = x.read(read);
      35          867 :             }
      36              :             #[cfg(target_os = "linux")]
      37          867 :             OpenOptions::TokioEpollUring(x) => {
      38          867 :                 let _ = x.read(read);
      39          867 :             }
      40              :         }
      41         1734 :         self
      42         1734 :     }
      43              : 
      44         1232 :     pub fn write(&mut self, write: bool) -> &mut OpenOptions {
      45         1232 :         match self {
      46          616 :             OpenOptions::StdFs(x) => {
      47          616 :                 let _ = x.write(write);
      48          616 :             }
      49              :             #[cfg(target_os = "linux")]
      50          616 :             OpenOptions::TokioEpollUring(x) => {
      51          616 :                 let _ = x.write(write);
      52          616 :             }
      53              :         }
      54         1232 :         self
      55         1232 :     }
      56              : 
      57         3268 :     pub fn create(&mut self, create: bool) -> &mut OpenOptions {
      58         3268 :         match self {
      59         1634 :             OpenOptions::StdFs(x) => {
      60         1634 :                 let _ = x.create(create);
      61         1634 :             }
      62              :             #[cfg(target_os = "linux")]
      63         1634 :             OpenOptions::TokioEpollUring(x) => {
      64         1634 :                 let _ = x.create(create);
      65         1634 :             }
      66              :         }
      67         3268 :         self
      68         3268 :     }
      69              : 
      70         2184 :     pub fn create_new(&mut self, create_new: bool) -> &mut OpenOptions {
      71         2184 :         match self {
      72         1092 :             OpenOptions::StdFs(x) => {
      73         1092 :                 let _ = x.create_new(create_new);
      74         1092 :             }
      75              :             #[cfg(target_os = "linux")]
      76         1092 :             OpenOptions::TokioEpollUring(x) => {
      77         1092 :                 let _ = x.create_new(create_new);
      78         1092 :             }
      79              :         }
      80         2184 :         self
      81         2184 :     }
      82              : 
      83         2622 :     pub fn truncate(&mut self, truncate: bool) -> &mut OpenOptions {
      84         2622 :         match self {
      85         1311 :             OpenOptions::StdFs(x) => {
      86         1311 :                 let _ = x.truncate(truncate);
      87         1311 :             }
      88              :             #[cfg(target_os = "linux")]
      89         1311 :             OpenOptions::TokioEpollUring(x) => {
      90         1311 :                 let _ = x.truncate(truncate);
      91         1311 :             }
      92              :         }
      93         2622 :         self
      94         2622 :     }
      95              : 
      96       192911 :     pub(in crate::virtual_file) async fn open(&self, path: &Path) -> std::io::Result<OwnedFd> {
      97       192911 :         match self {
      98        97878 :             OpenOptions::StdFs(x) => x.open(path).map(|file| file.into()),
      99              :             #[cfg(target_os = "linux")]
     100        95033 :             OpenOptions::TokioEpollUring(x) => {
     101        95033 :                 let system = tokio_epoll_uring::thread_local_system().await;
     102        95036 :                 system.open(path, x).await.map_err(|e| match e {
     103            0 :                     tokio_epoll_uring::Error::Op(e) => e,
     104            0 :                     tokio_epoll_uring::Error::System(system) => {
     105            0 :                         std::io::Error::new(std::io::ErrorKind::Other, system)
     106              :                     }
     107        95033 :                 })
     108              :             }
     109              :         }
     110       192911 :     }
     111              : }
     112              : 
     113              : impl std::os::unix::prelude::OpenOptionsExt for OpenOptions {
     114            0 :     fn mode(&mut self, mode: u32) -> &mut OpenOptions {
     115            0 :         match self {
     116            0 :             OpenOptions::StdFs(x) => {
     117            0 :                 let _ = x.mode(mode);
     118            0 :             }
     119              :             #[cfg(target_os = "linux")]
     120            0 :             OpenOptions::TokioEpollUring(x) => {
     121            0 :                 let _ = x.mode(mode);
     122            0 :             }
     123              :         }
     124            0 :         self
     125            0 :     }
     126              : 
     127            0 :     fn custom_flags(&mut self, flags: i32) -> &mut OpenOptions {
     128            0 :         match self {
     129            0 :             OpenOptions::StdFs(x) => {
     130            0 :                 let _ = x.custom_flags(flags);
     131            0 :             }
     132              :             #[cfg(target_os = "linux")]
     133            0 :             OpenOptions::TokioEpollUring(x) => {
     134            0 :                 let _ = x.custom_flags(flags);
     135            0 :             }
     136              :         }
     137            0 :         self
     138            0 :     }
     139              : }