142 lines
3.7 KiB
Go
142 lines
3.7 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"errors"
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"os"
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"runtime"
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"syscall"
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)
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// No space left on device error
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func isSysErrNoSpace(err error) bool {
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return errors.Is(err, syscall.ENOSPC)
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}
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// Invalid argument, unsupported flags such as O_DIRECT
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func isSysErrInvalidArg(err error) bool {
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return errors.Is(err, syscall.EINVAL)
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}
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// Input/output error
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func isSysErrIO(err error) bool {
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return errors.Is(err, syscall.EIO)
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}
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// Check if the given error corresponds to EISDIR (is a directory).
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func isSysErrIsDir(err error) bool {
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return errors.Is(err, syscall.EISDIR)
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}
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// Check if the given error corresponds to ENOTDIR (is not a directory).
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func isSysErrNotDir(err error) bool {
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return errors.Is(err, syscall.ENOTDIR)
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}
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// Check if the given error corresponds to the ENAMETOOLONG (name too long).
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func isSysErrTooLong(err error) bool {
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return errors.Is(err, syscall.ENAMETOOLONG)
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}
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// Check if the given error corresponds to the ELOOP (too many symlinks).
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func isSysErrTooManySymlinks(err error) bool {
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return errors.Is(err, syscall.ELOOP)
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}
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// Check if the given error corresponds to ENOTEMPTY for unix,
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// EEXIST for solaris variants,
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// and ERROR_DIR_NOT_EMPTY for windows (directory not empty).
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func isSysErrNotEmpty(err error) bool {
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if errors.Is(err, syscall.ENOTEMPTY) {
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return true
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}
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if errors.Is(err, syscall.EEXIST) && runtime.GOOS == "solaris" {
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return true
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}
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var pathErr *os.PathError
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if errors.As(err, &pathErr) {
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if runtime.GOOS == globalWindowsOSName {
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var errno syscall.Errno
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if errors.As(pathErr.Err, &errno) {
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// ERROR_DIR_NOT_EMPTY
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return errno == 0x91
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}
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}
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}
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return false
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}
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// Check if the given error corresponds to the specific ERROR_PATH_NOT_FOUND for windows
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func isSysErrPathNotFound(err error) bool {
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if runtime.GOOS != globalWindowsOSName {
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var pathErr *os.PathError
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if errors.As(err, &pathErr) {
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return pathErr.Err == syscall.ENOENT
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}
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return false
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}
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var pathErr *os.PathError
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if errors.As(err, &pathErr) {
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var errno syscall.Errno
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if errors.As(pathErr.Err, &errno) {
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// ERROR_PATH_NOT_FOUND
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return errno == 0x03
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}
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}
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return false
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}
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// Check if the given error corresponds to the specific ERROR_INVALID_HANDLE for windows
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func isSysErrHandleInvalid(err error) bool {
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if runtime.GOOS != globalWindowsOSName {
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return false
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}
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// Check if err contains ERROR_INVALID_HANDLE errno
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var pathErr *os.PathError
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if errors.As(err, &pathErr) {
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var errno syscall.Errno
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if errors.As(pathErr.Err, &errno) {
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// ERROR_PATH_NOT_FOUND
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return errno == 0x6
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}
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}
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return false
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}
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func isSysErrCrossDevice(err error) bool {
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return errors.Is(err, syscall.EXDEV)
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}
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// Check if given error corresponds to too many open files
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func isSysErrTooManyFiles(err error) bool {
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return errors.Is(err, syscall.ENFILE) || errors.Is(err, syscall.EMFILE)
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}
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func osIsNotExist(err error) bool {
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return errors.Is(err, os.ErrNotExist)
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}
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func osIsPermission(err error) bool {
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return errors.Is(err, os.ErrPermission)
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}
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func osIsExist(err error) bool {
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return errors.Is(err, os.ErrExist)
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}
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