58f68601e6
Use limitreader only when size is specified (greater or equal to 0). When size is unknown (less than 0) limitreader will immediately return EOF instead of writing the whole data.
58 lines
1.8 KiB
Go
58 lines
1.8 KiB
Go
// Copyright 2019 Sorint.lab
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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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package objectstorage
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import (
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"io"
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"agola.io/agola/internal/objectstorage/types"
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)
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type Storage interface {
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Stat(filepath string) (*types.ObjectInfo, error)
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ReadObject(filepath string) (types.ReadSeekCloser, error)
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// WriteObject atomically writes an object. If size is greater or equal to
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// zero then only size bytes will be read from data and wrote. If size is
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// less than zero data will be wrote until EOF. When persist is true the
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// implementation must ensure that data is persisted to the underlying
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// storage.
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WriteObject(filepath string, data io.Reader, size int64, persist bool) error
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DeleteObject(filepath string) error
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List(prefix, startWith, delimiter string, doneCh <-chan struct{}) <-chan types.ObjectInfo
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}
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// ObjStorage wraps a Storage providing additional helper functions
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type ObjStorage struct {
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Storage
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delimiter string
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}
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func NewObjStorage(s Storage, delimiter string) *ObjStorage {
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return &ObjStorage{Storage: s, delimiter: delimiter}
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}
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func (s *ObjStorage) Delimiter() string {
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return s.delimiter
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}
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func (s *ObjStorage) List(prefix, startWith string, recursive bool, doneCh <-chan struct{}) <-chan types.ObjectInfo {
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delimiter := s.delimiter
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if recursive {
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delimiter = ""
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}
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return s.Storage.List(prefix, startWith, delimiter, doneCh)
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}
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