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131 lines
3.4 KiB
131 lines
3.4 KiB
8 years ago
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/*
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* MinIO Cloud Storage, (C) 2016-2020 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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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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// Function not implemented error
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func isSysErrNoSys(err error) bool {
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return errors.Is(err, syscall.ENOSYS)
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}
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// Not supported error
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func isSysErrOpNotSupported(err error) bool {
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return errors.Is(err, syscall.EOPNOTSUPP)
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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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// 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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6 years ago
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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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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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7 years ago
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}
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6 years ago
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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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