mirror of
https://github.com/rustfs/rustfs.git
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a0e37098bb
Signed-off-by: junxiang Mu <1948535941@qq.com>
404 lines
12 KiB
Rust
404 lines
12 KiB
Rust
use std::io::{self, ErrorKind};
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use crate::{
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error::{Error, Result},
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quorum::CheckErrorFn,
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};
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// DiskError == StorageErr
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#[derive(Debug, thiserror::Error)]
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pub enum DiskError {
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#[error("maximum versions exceeded, please delete few versions to proceed")]
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MaxVersionsExceeded,
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#[error("unexpected error")]
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Unexpected,
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#[error("corrupted format")]
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CorruptedFormat,
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#[error("corrupted backend")]
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CorruptedBackend,
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#[error("unformatted disk error")]
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UnformattedDisk,
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#[error("inconsistent drive found")]
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InconsistentDisk,
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#[error("drive does not support O_DIRECT")]
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UnsupportedDisk,
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#[error("drive path full")]
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DiskFull,
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#[error("disk not a dir")]
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DiskNotDir,
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#[error("disk not found")]
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DiskNotFound,
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#[error("drive still did not complete the request")]
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DiskOngoingReq,
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#[error("drive is part of root drive, will not be used")]
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DriveIsRoot,
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#[error("remote drive is faulty")]
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FaultyRemoteDisk,
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#[error("drive is faulty")]
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FaultyDisk,
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#[error("drive access denied")]
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DiskAccessDenied,
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#[error("file not found")]
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FileNotFound,
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#[error("file version not found")]
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FileVersionNotFound,
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#[error("too many open files, please increase 'ulimit -n'")]
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TooManyOpenFiles,
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#[error("file name too long")]
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FileNameTooLong,
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#[error("volume already exists")]
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VolumeExists,
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#[error("not of regular file type")]
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IsNotRegular,
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#[error("path not found")]
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PathNotFound,
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#[error("volume not found")]
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VolumeNotFound,
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#[error("volume is not empty")]
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VolumeNotEmpty,
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#[error("volume access denied")]
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VolumeAccessDenied,
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#[error("disk access denied")]
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FileAccessDenied,
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#[error("file is corrupted")]
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FileCorrupt,
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#[error("bit-rot hash algorithm is invalid")]
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BitrotHashAlgoInvalid,
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#[error("Rename across devices not allowed, please fix your backend configuration")]
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CrossDeviceLink,
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#[error("less data available than what was requested")]
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LessData,
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#[error("more data was sent than what was advertised")]
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MoreData,
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}
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impl DiskError {
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/// Checks if the given array of errors contains fatal disk errors.
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/// If all errors are of the same fatal disk error type, returns the corresponding error.
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/// Otherwise, returns Ok.
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///
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/// # Parameters
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/// - `errs`: A slice of optional errors.
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///
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/// # Returns
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/// If all errors are of the same fatal disk error type, returns the corresponding error.
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/// Otherwise, returns Ok.
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pub fn check_disk_fatal_errs(errs: &[Option<Error>]) -> Result<()> {
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if DiskError::UnsupportedDisk.count_errs(errs) == errs.len() {
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return Err(DiskError::UnsupportedDisk.into());
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}
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if DiskError::FileAccessDenied.count_errs(errs) == errs.len() {
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return Err(DiskError::FileAccessDenied.into());
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}
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if DiskError::DiskNotDir.count_errs(errs) == errs.len() {
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return Err(DiskError::DiskNotDir.into());
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}
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Ok(())
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}
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pub fn count_errs(&self, errs: &[Option<Error>]) -> usize {
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return errs
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.iter()
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.filter(|&err| match err {
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None => false,
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Some(e) => self.is(e),
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})
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.count();
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}
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pub fn quorum_unformatted_disks(errs: &[Option<Error>]) -> bool {
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DiskError::UnformattedDisk.count_errs(errs) > (errs.len() / 2)
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}
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pub fn should_init_erasure_disks(errs: &[Option<Error>]) -> bool {
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DiskError::UnformattedDisk.count_errs(errs) == errs.len()
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}
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/// Check if the error is a disk error
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pub fn is(&self, err: &Error) -> bool {
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if let Some(e) = err.downcast_ref::<DiskError>() {
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e == self
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} else {
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false
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}
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}
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}
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impl PartialEq for DiskError {
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fn eq(&self, other: &Self) -> bool {
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core::mem::discriminant(self) == core::mem::discriminant(other)
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}
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}
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impl CheckErrorFn for DiskError {
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fn is(&self, e: &Error) -> bool {
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self.is(e)
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}
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}
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pub fn clone_disk_err(e: &DiskError) -> Error {
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match e {
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DiskError::MaxVersionsExceeded => Error::new(DiskError::MaxVersionsExceeded),
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DiskError::Unexpected => Error::new(DiskError::Unexpected),
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DiskError::CorruptedFormat => Error::new(DiskError::CorruptedFormat),
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DiskError::CorruptedBackend => Error::new(DiskError::CorruptedBackend),
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DiskError::UnformattedDisk => Error::new(DiskError::UnformattedDisk),
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DiskError::InconsistentDisk => Error::new(DiskError::InconsistentDisk),
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DiskError::UnsupportedDisk => Error::new(DiskError::UnsupportedDisk),
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DiskError::DiskFull => Error::new(DiskError::DiskFull),
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DiskError::DiskNotDir => Error::new(DiskError::DiskNotDir),
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DiskError::DiskNotFound => Error::new(DiskError::DiskNotFound),
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DiskError::DiskOngoingReq => Error::new(DiskError::DiskOngoingReq),
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DiskError::DriveIsRoot => Error::new(DiskError::DriveIsRoot),
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DiskError::FaultyRemoteDisk => Error::new(DiskError::FaultyRemoteDisk),
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DiskError::FaultyDisk => Error::new(DiskError::FaultyDisk),
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DiskError::DiskAccessDenied => Error::new(DiskError::DiskAccessDenied),
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DiskError::FileNotFound => Error::new(DiskError::FileNotFound),
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DiskError::FileVersionNotFound => Error::new(DiskError::FileVersionNotFound),
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DiskError::TooManyOpenFiles => Error::new(DiskError::TooManyOpenFiles),
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DiskError::FileNameTooLong => Error::new(DiskError::FileNameTooLong),
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DiskError::VolumeExists => Error::new(DiskError::VolumeExists),
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DiskError::IsNotRegular => Error::new(DiskError::IsNotRegular),
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DiskError::PathNotFound => Error::new(DiskError::PathNotFound),
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DiskError::VolumeNotFound => Error::new(DiskError::VolumeNotFound),
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DiskError::VolumeNotEmpty => Error::new(DiskError::VolumeNotEmpty),
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DiskError::VolumeAccessDenied => Error::new(DiskError::VolumeAccessDenied),
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DiskError::FileAccessDenied => Error::new(DiskError::FileAccessDenied),
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DiskError::FileCorrupt => Error::new(DiskError::FileCorrupt),
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DiskError::BitrotHashAlgoInvalid => Error::new(DiskError::BitrotHashAlgoInvalid),
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DiskError::CrossDeviceLink => Error::new(DiskError::CrossDeviceLink),
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DiskError::LessData => Error::new(DiskError::LessData),
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DiskError::MoreData => Error::new(DiskError::MoreData),
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}
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}
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pub fn os_err_to_file_err(e: io::Error) -> Error {
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match e.kind() {
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io::ErrorKind::NotFound => Error::new(DiskError::FileNotFound),
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io::ErrorKind::PermissionDenied => Error::new(DiskError::FileAccessDenied),
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// io::ErrorKind::ConnectionRefused => todo!(),
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// io::ErrorKind::ConnectionReset => todo!(),
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// io::ErrorKind::HostUnreachable => todo!(),
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// io::ErrorKind::NetworkUnreachable => todo!(),
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// io::ErrorKind::ConnectionAborted => todo!(),
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// io::ErrorKind::NotConnected => todo!(),
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// io::ErrorKind::AddrInUse => todo!(),
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// io::ErrorKind::AddrNotAvailable => todo!(),
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// io::ErrorKind::NetworkDown => todo!(),
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// io::ErrorKind::BrokenPipe => todo!(),
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// io::ErrorKind::AlreadyExists => todo!(),
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// io::ErrorKind::WouldBlock => todo!(),
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// io::ErrorKind::NotADirectory => DiskError::FileNotFound,
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// io::ErrorKind::IsADirectory => DiskError::FileNotFound,
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// io::ErrorKind::DirectoryNotEmpty => DiskError::VolumeNotEmpty,
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// io::ErrorKind::ReadOnlyFilesystem => todo!(),
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// io::ErrorKind::FilesystemLoop => todo!(),
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// io::ErrorKind::StaleNetworkFileHandle => todo!(),
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// io::ErrorKind::InvalidInput => todo!(),
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// io::ErrorKind::InvalidData => todo!(),
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// io::ErrorKind::TimedOut => todo!(),
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// io::ErrorKind::WriteZero => todo!(),
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// io::ErrorKind::StorageFull => DiskError::DiskFull,
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// io::ErrorKind::NotSeekable => todo!(),
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// io::ErrorKind::FilesystemQuotaExceeded => todo!(),
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// io::ErrorKind::FileTooLarge => todo!(),
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// io::ErrorKind::ResourceBusy => todo!(),
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// io::ErrorKind::ExecutableFileBusy => todo!(),
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// io::ErrorKind::Deadlock => todo!(),
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// io::ErrorKind::CrossesDevices => todo!(),
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// io::ErrorKind::TooManyLinks =>DiskError::TooManyOpenFiles,
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// io::ErrorKind::InvalidFilename => todo!(),
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// io::ErrorKind::ArgumentListTooLong => todo!(),
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// io::ErrorKind::Interrupted => todo!(),
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// io::ErrorKind::Unsupported => todo!(),
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// io::ErrorKind::UnexpectedEof => todo!(),
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// io::ErrorKind::OutOfMemory => todo!(),
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// io::ErrorKind::Other => todo!(),
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// TODO: 把不支持的king用字符串处理
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_ => Error::new(e),
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}
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}
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pub fn is_sys_err_no_space(e: &io::Error) -> bool {
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if let Some(no) = e.raw_os_error() {
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return no == 28;
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}
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false
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}
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pub fn is_sys_err_invalid_arg(e: &io::Error) -> bool {
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if let Some(no) = e.raw_os_error() {
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return no == 22;
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}
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false
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}
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pub fn is_sys_err_io(e: &io::Error) -> bool {
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if let Some(no) = e.raw_os_error() {
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return no == 5;
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}
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false
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}
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pub fn is_sys_err_is_dir(e: &io::Error) -> bool {
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if let Some(no) = e.raw_os_error() {
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return no == 21;
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}
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false
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}
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pub fn is_sys_err_not_dir(e: &io::Error) -> bool {
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if let Some(no) = e.raw_os_error() {
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return no == 20;
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}
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false
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}
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pub fn is_sys_err_too_long(e: &io::Error) -> bool {
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if let Some(no) = e.raw_os_error() {
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return no == 63;
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}
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false
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}
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pub fn is_sys_err_too_many_symlinks(e: &io::Error) -> bool {
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if let Some(no) = e.raw_os_error() {
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return no == 62;
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}
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false
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}
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pub fn is_sys_err_not_empty(e: &io::Error) -> bool {
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if let Some(no) = e.raw_os_error() {
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if no == 66 {
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return true;
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}
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if cfg!(target_os = "solaris") && no == 17 {
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return true;
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}
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if cfg!(target_os = "windows") && no == 145 {
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return true;
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}
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}
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false
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}
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pub fn is_sys_err_path_not_found(e: &io::Error) -> bool {
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if let Some(no) = e.raw_os_error() {
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if cfg!(target_os = "windows") {
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if no == 3 {
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return true;
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}
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} else if no == 2 {
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return true;
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}
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}
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false
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}
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pub fn is_sys_err_handle_invalid(e: &io::Error) -> bool {
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if let Some(no) = e.raw_os_error() {
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if cfg!(target_os = "windows") {
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if no == 6 {
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return true;
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}
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} else {
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return false;
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}
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}
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false
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}
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pub fn is_sys_err_cross_device(e: &io::Error) -> bool {
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if let Some(no) = e.raw_os_error() {
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return no == 18;
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}
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false
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}
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pub fn is_sys_err_too_many_files(e: &io::Error) -> bool {
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if let Some(no) = e.raw_os_error() {
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return no == 23 || no == 24;
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}
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false
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}
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pub fn os_is_not_exist(e: &io::Error) -> bool {
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e.kind() == ErrorKind::NotFound
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}
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pub fn os_is_permission(e: &io::Error) -> bool {
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if e.kind() == ErrorKind::PermissionDenied {
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return true;
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}
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if let Some(no) = e.raw_os_error() {
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if no == 30 {
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return true;
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}
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}
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false
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}
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pub fn os_is_exist(e: &io::Error) -> bool {
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e.kind() == ErrorKind::AlreadyExists
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}
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// map_err_not_exists
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pub fn map_err_not_exists(e: io::Error) -> Error {
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if os_is_not_exist(&e) {
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return Error::new(DiskError::VolumeNotEmpty);
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} else if is_sys_err_io(&e) {
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return Error::new(DiskError::FaultyDisk);
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}
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Error::new(e)
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}
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pub fn convert_access_error(e: io::Error, per_err: DiskError) -> Error {
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if os_is_not_exist(&e) {
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return Error::new(DiskError::VolumeNotEmpty);
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} else if is_sys_err_io(&e) {
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return Error::new(DiskError::FaultyDisk);
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} else if os_is_permission(&e) {
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return Error::new(per_err);
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}
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Error::new(e)
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}
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