mirror of https://github.com/minio/minio.git
111 lines
2.7 KiB
Go
111 lines
2.7 KiB
Go
// +build plan9 solaris
|
|
|
|
/*
|
|
* MinIO Cloud Storage, (C) 2016, 2017, 2018 MinIO, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"context"
|
|
"io"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
|
|
"github.com/minio/minio/cmd/logger"
|
|
)
|
|
|
|
// Return all the entries at the directory dirPath.
|
|
func readDir(dirPath string) (entries []string, err error) {
|
|
return readDirN(dirPath, -1)
|
|
}
|
|
|
|
// Return N entries at the directory dirPath. If count is -1, return all entries
|
|
func readDirN(dirPath string, count int) (entries []string, err error) {
|
|
d, err := os.Open(dirPath)
|
|
if err != nil {
|
|
// File is really not found.
|
|
if os.IsNotExist(err) {
|
|
return nil, errFileNotFound
|
|
}
|
|
|
|
// File path cannot be verified since one of the parents is a file.
|
|
if strings.Contains(err.Error(), "not a directory") {
|
|
return nil, errFileNotFound
|
|
}
|
|
return nil, err
|
|
}
|
|
defer d.Close()
|
|
|
|
maxEntries := 1000
|
|
if count > 0 && count < maxEntries {
|
|
maxEntries = count
|
|
}
|
|
|
|
done := false
|
|
remaining := count
|
|
|
|
for !done {
|
|
// Read up to max number of entries.
|
|
fis, err := d.Readdir(maxEntries)
|
|
if err != nil {
|
|
if err == io.EOF {
|
|
break
|
|
}
|
|
return nil, err
|
|
}
|
|
if count > 0 {
|
|
if remaining <= len(fis) {
|
|
fis = fis[:remaining]
|
|
done = true
|
|
}
|
|
}
|
|
for _, fi := range fis {
|
|
// Stat symbolic link and follow to get the final value.
|
|
if fi.Mode()&os.ModeSymlink == os.ModeSymlink {
|
|
var st os.FileInfo
|
|
st, err = os.Stat(path.Join(dirPath, fi.Name()))
|
|
if err != nil {
|
|
reqInfo := (&logger.ReqInfo{}).AppendTags("path", path.Join(dirPath, fi.Name()))
|
|
ctx := logger.SetReqInfo(context.Background(), reqInfo)
|
|
logger.LogIf(ctx, err)
|
|
continue
|
|
}
|
|
// Append to entries if symbolic link exists and is valid.
|
|
if st.IsDir() {
|
|
entries = append(entries, fi.Name()+SlashSeparator)
|
|
} else if st.Mode().IsRegular() {
|
|
entries = append(entries, fi.Name())
|
|
}
|
|
if count > 0 {
|
|
remaining--
|
|
}
|
|
continue
|
|
}
|
|
if fi.Mode().IsDir() {
|
|
// Append SlashSeparator instead of "\" so that sorting is achieved as expected.
|
|
entries = append(entries, fi.Name()+SlashSeparator)
|
|
} else if fi.Mode().IsRegular() {
|
|
entries = append(entries, fi.Name())
|
|
}
|
|
if count > 0 {
|
|
remaining--
|
|
}
|
|
}
|
|
}
|
|
return entries, nil
|
|
}
|