mirror of
https://github.com/minio/minio.git
synced 2024-12-24 06:05:55 -05:00
listObjects: Channel based ftw - initial implementation.
This commit is contained in:
Krishna Srinivas
Harshavardhana
parent
67a70eb6d6
commit
9e18bfa60e
@ -92,7 +92,8 @@ func generateAccessControlPolicyResponse(acl fs.BucketACL) AccessControlPolicyRe
|
||||
}
|
||||
|
||||
// generates an ListObjects response for the said bucket with other enumerated options.
|
||||
func generateListObjectsResponse(bucket string, objects []fs.ObjectMetadata, bucketResources fs.BucketResourcesMetadata) ListObjectsResponse {
|
||||
// func generateListObjectsResponse(bucket string, objects []fs.ObjectMetadata, bucketResources fs.BucketResourcesMetadata) ListObjectsResponse {
|
||||
func generateListObjectsResponse(bucket string, req fs.ListObjectsReq, resp fs.ListObjectsResp) ListObjectsResponse {
|
||||
var contents []*Object
|
||||
var prefixes []*CommonPrefix
|
||||
var owner = Owner{}
|
||||
@ -101,7 +102,7 @@ func generateListObjectsResponse(bucket string, objects []fs.ObjectMetadata, buc
|
||||
owner.ID = "minio"
|
||||
owner.DisplayName = "minio"
|
||||
|
||||
for _, object := range objects {
|
||||
for _, object := range resp.Objects {
|
||||
var content = &Object{}
|
||||
if object.Object == "" {
|
||||
continue
|
||||
@ -117,13 +118,15 @@ func generateListObjectsResponse(bucket string, objects []fs.ObjectMetadata, buc
|
||||
// TODO - support EncodingType in xml decoding
|
||||
data.Name = bucket
|
||||
data.Contents = contents
|
||||
data.MaxKeys = bucketResources.Maxkeys
|
||||
data.Prefix = bucketResources.Prefix
|
||||
data.Delimiter = bucketResources.Delimiter
|
||||
data.Marker = bucketResources.Marker
|
||||
data.NextMarker = bucketResources.NextMarker
|
||||
data.IsTruncated = bucketResources.IsTruncated
|
||||
for _, prefix := range bucketResources.CommonPrefixes {
|
||||
|
||||
data.MaxKeys = req.MaxKeys
|
||||
data.Prefix = req.Prefix
|
||||
data.Delimiter = req.Delimiter
|
||||
data.Marker = req.Marker
|
||||
|
||||
data.NextMarker = resp.NextMarker
|
||||
data.IsTruncated = resp.IsTruncated
|
||||
for _, prefix := range resp.Prefixes {
|
||||
var prefixItem = &CommonPrefix{}
|
||||
prefixItem.Prefix = prefix
|
||||
prefixes = append(prefixes, prefixItem)
|
||||
|
||||
@ -137,10 +137,16 @@ func (api CloudStorageAPI) ListObjectsHandler(w http.ResponseWriter, req *http.R
|
||||
resources.Maxkeys = maxObjectList
|
||||
}
|
||||
|
||||
objects, resources, err := api.Filesystem.ListObjects(bucket, resources)
|
||||
listReq := fs.ListObjectsReq{
|
||||
Prefix: resources.Prefix,
|
||||
Marker: resources.Marker,
|
||||
Delimiter: resources.Delimiter,
|
||||
MaxKeys: resources.Maxkeys,
|
||||
}
|
||||
listResp, err := api.Filesystem.ListObjects(bucket, listReq)
|
||||
if err == nil {
|
||||
// Generate response
|
||||
response := generateListObjectsResponse(bucket, objects, resources)
|
||||
// generate response
|
||||
response := generateListObjectsResponse(bucket, listReq, listResp)
|
||||
encodedSuccessResponse := encodeSuccessResponse(response)
|
||||
// Write headers
|
||||
setCommonHeaders(w)
|
||||
|
||||
@ -130,6 +130,31 @@ type BucketResourcesMetadata struct {
|
||||
CommonPrefixes []string
|
||||
}
|
||||
|
||||
type ListObjectsReq struct {
|
||||
Bucket string
|
||||
Prefix string
|
||||
Marker string
|
||||
Delimiter string
|
||||
MaxKeys int
|
||||
}
|
||||
|
||||
type ListObjectsResp struct {
|
||||
IsTruncated bool
|
||||
NextMarker string
|
||||
Objects []ObjectMetadata
|
||||
Prefixes []string
|
||||
}
|
||||
|
||||
type listServiceReq struct {
|
||||
req ListObjectsReq
|
||||
respCh chan ListObjectsResp
|
||||
}
|
||||
|
||||
type listWorkerReq struct {
|
||||
req ListObjectsReq
|
||||
respCh chan ListObjectsResp
|
||||
}
|
||||
|
||||
// CompletePart - completed part container
|
||||
type CompletePart struct {
|
||||
PartNumber int
|
||||
|
||||
@ -17,363 +17,214 @@
|
||||
package fs
|
||||
|
||||
import (
|
||||
"io/ioutil"
|
||||
"errors"
|
||||
"fmt"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"runtime"
|
||||
"sort"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/minio/minio-xl/pkg/probe"
|
||||
)
|
||||
|
||||
// ListObjects - GET bucket (list objects)
|
||||
func (fs Filesystem) ListObjects(bucket string, resources BucketResourcesMetadata) ([]ObjectMetadata, BucketResourcesMetadata, *probe.Error) {
|
||||
func (fs Filesystem) listWorker(startReq ListObjectsReq) (chan<- listWorkerReq, *probe.Error) {
|
||||
Separator := string(os.PathSeparator)
|
||||
bucket := startReq.Bucket
|
||||
prefix := startReq.Prefix
|
||||
marker := startReq.Marker
|
||||
delimiter := startReq.Delimiter
|
||||
quit := make(chan bool)
|
||||
if marker != "" {
|
||||
return nil, probe.NewError(errors.New("Not supported"))
|
||||
}
|
||||
if delimiter != "" && delimiter != Separator {
|
||||
return nil, probe.NewError(errors.New("Not supported"))
|
||||
}
|
||||
reqCh := make(chan listWorkerReq)
|
||||
walkerCh := make(chan ObjectMetadata)
|
||||
go func() {
|
||||
rootPath := filepath.Join(fs.path, bucket, prefix)
|
||||
stripPath := filepath.Join(fs.path, bucket) + Separator
|
||||
filepath.Walk(rootPath, func(path string, info os.FileInfo, err error) error {
|
||||
if path == rootPath {
|
||||
return nil
|
||||
}
|
||||
if info.IsDir() {
|
||||
path = path + Separator
|
||||
}
|
||||
objectName := strings.TrimPrefix(path, stripPath)
|
||||
object := ObjectMetadata{
|
||||
Object: objectName,
|
||||
Created: info.ModTime(),
|
||||
Mode: info.Mode(),
|
||||
Size: info.Size(),
|
||||
}
|
||||
select {
|
||||
case walkerCh <- object:
|
||||
// do nothings
|
||||
case <-quit:
|
||||
fmt.Println("walker got quit")
|
||||
// returning error ends the Walk()
|
||||
return errors.New("Ending")
|
||||
}
|
||||
if delimiter == Separator && info.IsDir() {
|
||||
return filepath.SkipDir
|
||||
}
|
||||
return nil
|
||||
})
|
||||
close(walkerCh)
|
||||
}()
|
||||
go func() {
|
||||
resp := ListObjectsResp{}
|
||||
for {
|
||||
select {
|
||||
case <-time.After(10 * time.Second):
|
||||
fmt.Println("worker got timeout")
|
||||
quit <- true
|
||||
timeoutReq := ListObjectsReq{bucket, prefix, marker, delimiter, 0}
|
||||
fmt.Println("after timeout", fs)
|
||||
fs.timeoutReqCh <- timeoutReq
|
||||
// FIXME: can there be a race such that sender on reqCh panics?
|
||||
return
|
||||
case req := <-reqCh:
|
||||
resp = ListObjectsResp{}
|
||||
resp.Objects = make([]ObjectMetadata, 0)
|
||||
resp.Prefixes = make([]string, 0)
|
||||
count := 0
|
||||
for object := range walkerCh {
|
||||
if object.Mode.IsDir() {
|
||||
if delimiter == "" {
|
||||
// skip directories for recursive list
|
||||
continue
|
||||
}
|
||||
resp.Prefixes = append(resp.Prefixes, object.Object)
|
||||
} else {
|
||||
resp.Objects = append(resp.Objects, object)
|
||||
}
|
||||
resp.NextMarker = object.Object
|
||||
count++
|
||||
if count == req.req.MaxKeys {
|
||||
resp.IsTruncated = true
|
||||
break
|
||||
}
|
||||
}
|
||||
fmt.Println("response objects: ", len(resp.Objects))
|
||||
marker = resp.NextMarker
|
||||
req.respCh <- resp
|
||||
}
|
||||
}
|
||||
}()
|
||||
return reqCh, nil
|
||||
}
|
||||
|
||||
func (fs *Filesystem) startListService() *probe.Error {
|
||||
fmt.Println("startListService starting")
|
||||
listServiceReqCh := make(chan listServiceReq)
|
||||
timeoutReqCh := make(chan ListObjectsReq)
|
||||
reqToListWorkerReqCh := make(map[string](chan<- listWorkerReq))
|
||||
reqToStr := func(bucket string, prefix string, marker string, delimiter string) string {
|
||||
return strings.Join([]string{bucket, prefix, marker, delimiter}, ":")
|
||||
}
|
||||
go func() {
|
||||
for {
|
||||
select {
|
||||
case timeoutReq := <-timeoutReqCh:
|
||||
fmt.Println("listservice got timeout on ", timeoutReq)
|
||||
reqStr := reqToStr(timeoutReq.Bucket, timeoutReq.Prefix, timeoutReq.Marker, timeoutReq.Delimiter)
|
||||
listWorkerReqCh, ok := reqToListWorkerReqCh[reqStr]
|
||||
if ok {
|
||||
close(listWorkerReqCh)
|
||||
}
|
||||
delete(reqToListWorkerReqCh, reqStr)
|
||||
case serviceReq := <-listServiceReqCh:
|
||||
fmt.Println("serviceReq received", serviceReq)
|
||||
fmt.Println("sending to listservicereqch", fs)
|
||||
|
||||
reqStr := reqToStr(serviceReq.req.Bucket, serviceReq.req.Prefix, serviceReq.req.Marker, serviceReq.req.Delimiter)
|
||||
listWorkerReqCh, ok := reqToListWorkerReqCh[reqStr]
|
||||
if !ok {
|
||||
var err *probe.Error
|
||||
listWorkerReqCh, err = fs.listWorker(serviceReq.req)
|
||||
if err != nil {
|
||||
fmt.Println("listWorker returned error", err)
|
||||
serviceReq.respCh <- ListObjectsResp{}
|
||||
return
|
||||
}
|
||||
reqToListWorkerReqCh[reqStr] = listWorkerReqCh
|
||||
}
|
||||
respCh := make(chan ListObjectsResp)
|
||||
listWorkerReqCh <- listWorkerReq{serviceReq.req, respCh}
|
||||
resp, ok := <-respCh
|
||||
if !ok {
|
||||
serviceReq.respCh <- ListObjectsResp{}
|
||||
fmt.Println("listWorker resp was not ok")
|
||||
return
|
||||
}
|
||||
delete(reqToListWorkerReqCh, reqStr)
|
||||
if !resp.IsTruncated {
|
||||
close(listWorkerReqCh)
|
||||
} else {
|
||||
reqStr = reqToStr(serviceReq.req.Bucket, serviceReq.req.Prefix, resp.NextMarker, serviceReq.req.Delimiter)
|
||||
reqToListWorkerReqCh[reqStr] = listWorkerReqCh
|
||||
}
|
||||
serviceReq.respCh <- resp
|
||||
}
|
||||
}
|
||||
}()
|
||||
fs.timeoutReqCh = timeoutReqCh
|
||||
fs.listServiceReqCh = listServiceReqCh
|
||||
return nil
|
||||
}
|
||||
|
||||
// ListObjects -
|
||||
func (fs Filesystem) ListObjects(bucket string, req ListObjectsReq) (ListObjectsResp, *probe.Error) {
|
||||
fs.lock.Lock()
|
||||
defer fs.lock.Unlock()
|
||||
|
||||
Separator := string(os.PathSeparator)
|
||||
if !IsValidBucketName(bucket) {
|
||||
return nil, resources, probe.NewError(BucketNameInvalid{Bucket: bucket})
|
||||
}
|
||||
if resources.Prefix != "" && IsValidObjectName(resources.Prefix) == false {
|
||||
return nil, resources, probe.NewError(ObjectNameInvalid{Bucket: bucket, Object: resources.Prefix})
|
||||
return ListObjectsResp{}, probe.NewError(BucketNameInvalid{Bucket: bucket})
|
||||
}
|
||||
|
||||
bucket = fs.denormalizeBucket(bucket)
|
||||
|
||||
p := bucketDir{}
|
||||
rootPrefix := filepath.Join(fs.path, bucket)
|
||||
// check bucket exists
|
||||
if _, err := os.Stat(rootPrefix); os.IsNotExist(err) {
|
||||
return nil, resources, probe.NewError(BucketNotFound{Bucket: bucket})
|
||||
if _, e := os.Stat(rootPrefix); e != nil {
|
||||
if os.IsNotExist(e) {
|
||||
return ListObjectsResp{}, probe.NewError(BucketNotFound{Bucket: bucket})
|
||||
}
|
||||
return ListObjectsResp{}, probe.NewError(e)
|
||||
}
|
||||
|
||||
p.root = rootPrefix
|
||||
/// automatically treat incoming "/" as "\\" on windows due to its path constraints.
|
||||
if runtime.GOOS == "windows" {
|
||||
if resources.Prefix != "" {
|
||||
resources.Prefix = strings.Replace(resources.Prefix, "/", string(os.PathSeparator), -1)
|
||||
}
|
||||
if resources.Delimiter != "" {
|
||||
resources.Delimiter = strings.Replace(resources.Delimiter, "/", string(os.PathSeparator), -1)
|
||||
}
|
||||
if resources.Marker != "" {
|
||||
resources.Marker = strings.Replace(resources.Marker, "/", string(os.PathSeparator), -1)
|
||||
}
|
||||
canonicalize := func(str string) string {
|
||||
return strings.Replace(str, "/", string(os.PathSeparator), -1)
|
||||
}
|
||||
decanonicalize := func(str string) string {
|
||||
return strings.Replace(str, string(os.PathSeparator), "/", -1)
|
||||
}
|
||||
|
||||
// if delimiter is supplied and not prefix then we are the very top level, list everything and move on.
|
||||
if resources.Delimiter != "" && resources.Prefix == "" {
|
||||
files, err := ioutil.ReadDir(rootPrefix)
|
||||
if err != nil {
|
||||
if os.IsNotExist(err) {
|
||||
return nil, resources, probe.NewError(BucketNotFound{Bucket: bucket})
|
||||
}
|
||||
return nil, resources, probe.NewError(err)
|
||||
}
|
||||
for _, fl := range files {
|
||||
if strings.HasSuffix(fl.Name(), "$multiparts") {
|
||||
continue
|
||||
}
|
||||
p.files = append(p.files, contentInfo{
|
||||
Prefix: fl.Name(),
|
||||
Size: fl.Size(),
|
||||
Mode: fl.Mode(),
|
||||
ModTime: fl.ModTime(),
|
||||
FileInfo: fl,
|
||||
})
|
||||
}
|
||||
req.Bucket = bucket
|
||||
req.Prefix = canonicalize(req.Prefix)
|
||||
req.Marker = canonicalize(req.Marker)
|
||||
req.Delimiter = canonicalize(req.Delimiter)
|
||||
|
||||
if req.Delimiter != "" && req.Delimiter != Separator {
|
||||
return ListObjectsResp{}, probe.NewError(errors.New("not supported"))
|
||||
}
|
||||
|
||||
// If delimiter and prefix is supplied make sure that paging doesn't go deep, treat it as simple directory listing.
|
||||
if resources.Delimiter != "" && resources.Prefix != "" {
|
||||
if !strings.HasSuffix(resources.Prefix, resources.Delimiter) {
|
||||
fl, err := os.Stat(filepath.Join(rootPrefix, resources.Prefix))
|
||||
if err != nil {
|
||||
if os.IsNotExist(err) {
|
||||
return nil, resources, probe.NewError(ObjectNotFound{Bucket: bucket, Object: resources.Prefix})
|
||||
}
|
||||
return nil, resources, probe.NewError(err)
|
||||
}
|
||||
p.files = append(p.files, contentInfo{
|
||||
Prefix: resources.Prefix,
|
||||
Size: fl.Size(),
|
||||
Mode: os.ModeDir,
|
||||
ModTime: fl.ModTime(),
|
||||
FileInfo: fl,
|
||||
})
|
||||
} else {
|
||||
var prefixPath string
|
||||
if runtime.GOOS == "windows" {
|
||||
prefixPath = rootPrefix + string(os.PathSeparator) + resources.Prefix
|
||||
} else {
|
||||
prefixPath = rootPrefix + string(os.PathSeparator) + resources.Prefix
|
||||
}
|
||||
files, err := ioutil.ReadDir(prefixPath)
|
||||
if err != nil {
|
||||
switch err := err.(type) {
|
||||
case *os.PathError:
|
||||
if err.Op == "open" {
|
||||
return nil, resources, probe.NewError(ObjectNotFound{Bucket: bucket, Object: resources.Prefix})
|
||||
}
|
||||
}
|
||||
return nil, resources, probe.NewError(err)
|
||||
}
|
||||
for _, fl := range files {
|
||||
if strings.HasSuffix(fl.Name(), "$multiparts") {
|
||||
continue
|
||||
}
|
||||
prefix := fl.Name()
|
||||
if resources.Prefix != "" {
|
||||
prefix = filepath.Join(resources.Prefix, fl.Name())
|
||||
}
|
||||
p.files = append(p.files, contentInfo{
|
||||
Prefix: prefix,
|
||||
Size: fl.Size(),
|
||||
Mode: fl.Mode(),
|
||||
ModTime: fl.ModTime(),
|
||||
FileInfo: fl,
|
||||
})
|
||||
}
|
||||
}
|
||||
}
|
||||
if resources.Delimiter == "" {
|
||||
var files []contentInfo
|
||||
getAllFiles := func(fp string, fl os.FileInfo, err error) error {
|
||||
// If any error return back quickly
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if strings.HasSuffix(fp, "$multiparts") {
|
||||
return nil
|
||||
}
|
||||
// if file pointer equals to rootPrefix - discard it
|
||||
if fp == p.root {
|
||||
return nil
|
||||
}
|
||||
if len(files) > resources.Maxkeys {
|
||||
return ErrSkipFile
|
||||
}
|
||||
// Split the root prefix from the incoming file pointer
|
||||
realFp := ""
|
||||
if runtime.GOOS == "windows" {
|
||||
if splits := strings.Split(fp, (p.root + string(os.PathSeparator))); len(splits) > 1 {
|
||||
realFp = splits[1]
|
||||
}
|
||||
} else {
|
||||
if splits := strings.Split(fp, (p.root + string(os.PathSeparator))); len(splits) > 1 {
|
||||
realFp = splits[1]
|
||||
}
|
||||
}
|
||||
// If path is a directory and has a prefix verify if the file pointer
|
||||
// has the prefix if it does not skip the directory.
|
||||
if fl.Mode().IsDir() {
|
||||
if resources.Prefix != "" {
|
||||
// Skip the directory on following situations
|
||||
// - when prefix is part of file pointer along with the root path
|
||||
// - when file pointer is part of the prefix along with root path
|
||||
if !strings.HasPrefix(fp, filepath.Join(p.root, resources.Prefix)) &&
|
||||
!strings.HasPrefix(filepath.Join(p.root, resources.Prefix), fp) {
|
||||
return ErrSkipDir
|
||||
}
|
||||
}
|
||||
}
|
||||
// If path is a directory and has a marker verify if the file split file pointer
|
||||
// is lesser than the Marker top level directory if yes skip it.
|
||||
if fl.Mode().IsDir() {
|
||||
if resources.Marker != "" {
|
||||
if realFp != "" {
|
||||
// For windows split with its own os.PathSeparator
|
||||
if runtime.GOOS == "windows" {
|
||||
if realFp < strings.Split(resources.Marker, string(os.PathSeparator))[0] {
|
||||
return ErrSkipDir
|
||||
}
|
||||
} else {
|
||||
if realFp < strings.Split(resources.Marker, string(os.PathSeparator))[0] {
|
||||
return ErrSkipDir
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
// If regular file verify
|
||||
if fl.Mode().IsRegular() {
|
||||
// If marker is present this will be used to check if filepointer is
|
||||
// lexically higher than then Marker
|
||||
if realFp != "" {
|
||||
if resources.Marker != "" {
|
||||
if realFp > resources.Marker {
|
||||
files = append(files, contentInfo{
|
||||
Prefix: realFp,
|
||||
Size: fl.Size(),
|
||||
Mode: fl.Mode(),
|
||||
ModTime: fl.ModTime(),
|
||||
FileInfo: fl,
|
||||
})
|
||||
}
|
||||
} else {
|
||||
files = append(files, contentInfo{
|
||||
Prefix: realFp,
|
||||
Size: fl.Size(),
|
||||
Mode: fl.Mode(),
|
||||
ModTime: fl.ModTime(),
|
||||
FileInfo: fl,
|
||||
})
|
||||
}
|
||||
}
|
||||
}
|
||||
// If file is a symlink follow it and populate values.
|
||||
if fl.Mode()&os.ModeSymlink == os.ModeSymlink {
|
||||
st, err := os.Stat(fp)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
// If marker is present this will be used to check if filepointer is
|
||||
// lexically higher than then Marker
|
||||
if realFp != "" {
|
||||
if resources.Marker != "" {
|
||||
if realFp > resources.Marker {
|
||||
files = append(files, contentInfo{
|
||||
Prefix: realFp,
|
||||
Size: st.Size(),
|
||||
Mode: st.Mode(),
|
||||
ModTime: st.ModTime(),
|
||||
FileInfo: st,
|
||||
})
|
||||
}
|
||||
} else {
|
||||
files = append(files, contentInfo{
|
||||
Prefix: realFp,
|
||||
Size: st.Size(),
|
||||
Mode: st.Mode(),
|
||||
ModTime: st.ModTime(),
|
||||
FileInfo: st,
|
||||
})
|
||||
}
|
||||
}
|
||||
}
|
||||
p.files = files
|
||||
return nil
|
||||
}
|
||||
// If no delimiter is specified, crawl through everything.
|
||||
err := Walk(rootPrefix, getAllFiles)
|
||||
if err != nil {
|
||||
if os.IsNotExist(err) {
|
||||
return nil, resources, probe.NewError(ObjectNotFound{Bucket: bucket, Object: resources.Prefix})
|
||||
}
|
||||
return nil, resources, probe.NewError(err)
|
||||
}
|
||||
}
|
||||
respCh := make(chan ListObjectsResp)
|
||||
fs.listServiceReqCh <- listServiceReq{req, respCh}
|
||||
resp := <-respCh
|
||||
|
||||
var metadataList []ObjectMetadata
|
||||
var metadata ObjectMetadata
|
||||
|
||||
// Filter objects
|
||||
for _, content := range p.files {
|
||||
if len(metadataList) == resources.Maxkeys {
|
||||
resources.IsTruncated = true
|
||||
if resources.IsTruncated && resources.Delimiter != "" {
|
||||
resources.NextMarker = metadataList[len(metadataList)-1].Object
|
||||
}
|
||||
break
|
||||
}
|
||||
if content.Prefix > resources.Marker {
|
||||
var err *probe.Error
|
||||
metadata, resources, err = fs.filterObjects(bucket, content, resources)
|
||||
if err != nil {
|
||||
return nil, resources, err.Trace()
|
||||
}
|
||||
// If windows replace all the incoming paths to API compatible paths
|
||||
if runtime.GOOS == "windows" {
|
||||
metadata.Object = sanitizeWindowsPath(metadata.Object)
|
||||
}
|
||||
if metadata.Bucket != "" {
|
||||
metadataList = append(metadataList, metadata)
|
||||
}
|
||||
}
|
||||
for i := 0; i < len(resp.Prefixes); i++ {
|
||||
resp.Prefixes[i] = decanonicalize(resp.Prefixes[i])
|
||||
}
|
||||
// Sanitize common prefixes back into API compatible paths
|
||||
if runtime.GOOS == "windows" {
|
||||
resources.CommonPrefixes = sanitizeWindowsPaths(resources.CommonPrefixes...)
|
||||
for i := 0; i < len(resp.Objects); i++ {
|
||||
resp.Objects[i].Object = decanonicalize(resp.Objects[i].Object)
|
||||
}
|
||||
return metadataList, resources, nil
|
||||
}
|
||||
|
||||
func (fs Filesystem) filterObjects(bucket string, content contentInfo, resources BucketResourcesMetadata) (ObjectMetadata, BucketResourcesMetadata, *probe.Error) {
|
||||
var err *probe.Error
|
||||
var metadata ObjectMetadata
|
||||
|
||||
name := content.Prefix
|
||||
switch true {
|
||||
// Both delimiter and Prefix is present
|
||||
case resources.Delimiter != "" && resources.Prefix != "":
|
||||
if strings.HasPrefix(name, resources.Prefix) {
|
||||
trimmedName := strings.TrimPrefix(name, resources.Prefix)
|
||||
delimitedName := delimiter(trimmedName, resources.Delimiter)
|
||||
switch true {
|
||||
case name == resources.Prefix:
|
||||
// Use resources.Prefix to filter out delimited file
|
||||
metadata, err = getMetadata(fs.path, bucket, name)
|
||||
if err != nil {
|
||||
return ObjectMetadata{}, resources, err.Trace()
|
||||
}
|
||||
if metadata.Mode.IsDir() {
|
||||
resources.CommonPrefixes = append(resources.CommonPrefixes, name+resources.Delimiter)
|
||||
return ObjectMetadata{}, resources, nil
|
||||
}
|
||||
case delimitedName == content.FileInfo.Name():
|
||||
// Use resources.Prefix to filter out delimited files
|
||||
metadata, err = getMetadata(fs.path, bucket, name)
|
||||
if err != nil {
|
||||
return ObjectMetadata{}, resources, err.Trace()
|
||||
}
|
||||
if metadata.Mode.IsDir() {
|
||||
resources.CommonPrefixes = append(resources.CommonPrefixes, name+resources.Delimiter)
|
||||
return ObjectMetadata{}, resources, nil
|
||||
}
|
||||
case delimitedName != "":
|
||||
resources.CommonPrefixes = append(resources.CommonPrefixes, resources.Prefix+delimitedName)
|
||||
}
|
||||
}
|
||||
// Delimiter present and Prefix is absent
|
||||
case resources.Delimiter != "" && resources.Prefix == "":
|
||||
delimitedName := delimiter(name, resources.Delimiter)
|
||||
switch true {
|
||||
case delimitedName == "":
|
||||
metadata, err = getMetadata(fs.path, bucket, name)
|
||||
if err != nil {
|
||||
return ObjectMetadata{}, resources, err.Trace()
|
||||
}
|
||||
if metadata.Mode.IsDir() {
|
||||
resources.CommonPrefixes = append(resources.CommonPrefixes, name+resources.Delimiter)
|
||||
return ObjectMetadata{}, resources, nil
|
||||
}
|
||||
case delimitedName == content.FileInfo.Name():
|
||||
metadata, err = getMetadata(fs.path, bucket, name)
|
||||
if err != nil {
|
||||
return ObjectMetadata{}, resources, err.Trace()
|
||||
}
|
||||
if metadata.Mode.IsDir() {
|
||||
resources.CommonPrefixes = append(resources.CommonPrefixes, name+resources.Delimiter)
|
||||
return ObjectMetadata{}, resources, nil
|
||||
}
|
||||
case delimitedName != "":
|
||||
resources.CommonPrefixes = append(resources.CommonPrefixes, delimitedName)
|
||||
}
|
||||
// Delimiter is absent and only Prefix is present
|
||||
case resources.Delimiter == "" && resources.Prefix != "":
|
||||
if strings.HasPrefix(name, resources.Prefix) {
|
||||
// Do not strip prefix object output
|
||||
metadata, err = getMetadata(fs.path, bucket, name)
|
||||
if err != nil {
|
||||
return ObjectMetadata{}, resources, err.Trace()
|
||||
}
|
||||
}
|
||||
default:
|
||||
metadata, err = getMetadata(fs.path, bucket, name)
|
||||
if err != nil {
|
||||
return ObjectMetadata{}, resources, err.Trace()
|
||||
}
|
||||
}
|
||||
sortUnique(sort.StringSlice(resources.CommonPrefixes))
|
||||
return metadata, resources, nil
|
||||
if req.Delimiter == "" {
|
||||
// unset NextMaker for recursive list
|
||||
resp.NextMarker = ""
|
||||
}
|
||||
return resp, nil
|
||||
}
|
||||
|
||||
27
pkg/fs/fs.go
27
pkg/fs/fs.go
@ -27,12 +27,14 @@ import (
|
||||
|
||||
// Filesystem - local variables
|
||||
type Filesystem struct {
|
||||
path string
|
||||
minFreeDisk int64
|
||||
maxBuckets int
|
||||
lock *sync.Mutex
|
||||
multiparts *Multiparts
|
||||
buckets *Buckets
|
||||
path string
|
||||
minFreeDisk int64
|
||||
maxBuckets int
|
||||
lock *sync.Mutex
|
||||
multiparts *Multiparts
|
||||
buckets *Buckets
|
||||
listServiceReqCh chan<- listServiceReq
|
||||
timeoutReqCh chan<- ListObjectsReq
|
||||
}
|
||||
|
||||
// Buckets holds acl information
|
||||
@ -92,11 +94,10 @@ func New(rootPath string) (Filesystem, *probe.Error) {
|
||||
return Filesystem{}, err.Trace()
|
||||
}
|
||||
}
|
||||
fs := Filesystem{lock: new(sync.Mutex)}
|
||||
fs.path = rootPath
|
||||
fs.multiparts = multiparts
|
||||
fs.buckets = buckets
|
||||
|
||||
a := Filesystem{lock: new(sync.Mutex)}
|
||||
a.path = rootPath
|
||||
a.multiparts = multiparts
|
||||
a.buckets = buckets
|
||||
/// Defaults
|
||||
|
||||
// maximum buckets to be listed from list buckets.
|
||||
@ -104,6 +105,10 @@ func New(rootPath string) (Filesystem, *probe.Error) {
|
||||
// minium free disk required for i/o operations to succeed.
|
||||
fs.minFreeDisk = 10
|
||||
|
||||
err = fs.startListService()
|
||||
if err != nil {
|
||||
return Filesystem{}, err.Trace(rootPath)
|
||||
}
|
||||
// Return here.
|
||||
return fs, nil
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user