// list lists the objects into the function supplied from
// the bucket and root supplied
//
// If prefix is set then startFileName is used as a prefix which all
// files must have
//
// If limit is > 0 then it limits to that many files (must be less
// than 1000)
//
// If hidden is set then it will list the hidden (deleted) files too.
func (f *Fs) list(prefix string, limit int, hidden bool, fn listFn) error {
bucketID, err := f.getBucketID()
if err != nil {
return err
}
chunkSize := 1000
if limit > 0 {
chunkSize = limit
}
var request = api.ListFileNamesRequest{
BucketID: bucketID,
MaxFileCount: chunkSize,
}
prefix = f.root + prefix
if prefix != "" {
request.StartFileName = prefix
}
var response api.ListFileNamesResponse
opts := rest.Opts{
Method: "POST",
Path: "/b2_list_file_names",
}
if hidden {
opts.Path = "/b2_list_file_versions"
}
for {
_, err = f.srv.CallJSON(&opts, &request, &response)
if err != nil {
return err
}
for i := range response.Files {
file := &response.Files[i]
// Finish if file name no longer has prefix
if !strings.HasPrefix(file.Name, prefix) {
return nil
}
err = fn(file.Name[len(prefix):], file)
if err != nil {
return err
}
}
// end if no NextFileName
if response.NextFileName == nil {
break
}
request.StartFileName = *response.NextFileName
if response.NextFileID != nil {
request.StartFileID = *response.NextFileID
}
}
return nil
}
// list lists the objects into the function supplied from
// the bucket and root supplied
//
// dir is the starting directory, "" for root
//
// level is the depth to search to
//
// If prefix is set then startFileName is used as a prefix which all
// files must have
//
// If limit is > 0 then it limits to that many files (must be less
// than 1000)
//
// If hidden is set then it will list the hidden (deleted) files too.
func (f *Fs) list(dir string, level int, prefix string, limit int, hidden bool, fn listFn) error {
root := f.root
if dir != "" {
root += dir + "/"
}
delimiter := ""
switch level {
case 1:
delimiter = "/"
case fs.MaxLevel:
default:
return fs.ErrorLevelNotSupported
}
bucketID, err := f.getBucketID()
if err != nil {
return err
}
chunkSize := 1000
if limit > 0 {
chunkSize = limit
}
var request = api.ListFileNamesRequest{
BucketID: bucketID,
MaxFileCount: chunkSize,
Prefix: root,
Delimiter: delimiter,
}
prefix = root + prefix
if prefix != "" {
request.StartFileName = prefix
}
var response api.ListFileNamesResponse
opts := rest.Opts{
Method: "POST",
Path: "/b2_list_file_names",
}
if hidden {
opts.Path = "/b2_list_file_versions"
}
for {
err := f.pacer.Call(func() (bool, error) {
resp, err := f.srv.CallJSON(&opts, &request, &response)
return f.shouldRetry(resp, err)
})
if err != nil {
return err
}
for i := range response.Files {
file := &response.Files[i]
// Finish if file name no longer has prefix
if prefix != "" && !strings.HasPrefix(file.Name, prefix) {
return nil
}
if !strings.HasPrefix(file.Name, f.root) {
fs.Log(f, "Odd name received %q", file.Name)
continue
}
remote := file.Name[len(f.root):]
// Check for directory
isDirectory := level != 0 && strings.HasSuffix(remote, "/")
if isDirectory {
remote = remote[:len(remote)-1]
}
// Send object
err = fn(remote, file, isDirectory)
if err != nil {
if err == errEndList {
return nil
}
return err
}
}
// end if no NextFileName
if response.NextFileName == nil {
break
}
request.StartFileName = *response.NextFileName
if response.NextFileID != nil {
request.StartFileID = *response.NextFileID
}
}
return nil
}
// list lists the objects into the function supplied from
// the bucket and root supplied
//
// level is the depth to search to
//
// If prefix is set then startFileName is used as a prefix which all
// files must have
//
// If limit is > 0 then it limits to that many files (must be less
// than 1000)
//
// If hidden is set then it will list the hidden (deleted) files too.
func (f *Fs) list(dir string, level int, prefix string, limit int, hidden bool, fn listFn) error {
root := f.root
if dir != "" {
root += dir + "/"
}
bucketID, err := f.getBucketID()
if err != nil {
return err
}
chunkSize := 1000
if limit > 0 {
chunkSize = limit
}
var request = api.ListFileNamesRequest{
BucketID: bucketID,
MaxFileCount: chunkSize,
}
prefix = root + prefix
if prefix != "" {
request.StartFileName = prefix
}
var response api.ListFileNamesResponse
opts := rest.Opts{
Method: "POST",
Path: "/b2_list_file_names",
}
if hidden {
opts.Path = "/b2_list_file_versions"
}
lastDir := dir
for {
err := f.pacer.Call(func() (bool, error) {
resp, err := f.srv.CallJSON(&opts, &request, &response)
return f.shouldRetry(resp, err)
})
if err != nil {
return err
}
for i := range response.Files {
file := &response.Files[i]
// Finish if file name no longer has prefix
if !strings.HasPrefix(file.Name, prefix) {
return nil
}
remote := file.Name[len(f.root):]
slashes := strings.Count(remote, "/")
// Check if this file makes a new directories
var dirNames []string
dirNames, lastDir = sendDir(lastDir, remote, level)
for _, dirName := range dirNames {
err = fn(dirName, nil, true)
if err != nil {
if err == errEndList {
return nil
}
return err
}
}
// Send the file
if slashes < level {
err = fn(remote, file, false)
if err != nil {
if err == errEndList {
return nil
}
return err
}
}
}
// end if no NextFileName
if response.NextFileName == nil {
break
}
request.StartFileName = *response.NextFileName
if response.NextFileID != nil {
request.StartFileID = *response.NextFileID
}
}
return nil
}
