| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You 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 protostatstorage |
| |
| import ( |
| "context" |
| "io" |
| ) |
| |
| import ( |
| "go.uber.org/multierr" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-kubernetes/pkg/bufman/pkg/storage" |
| ) |
| |
| type fileWalker struct { |
| readBucket storage.ReadBucket |
| } |
| |
| func newFileWalker(readBucket storage.ReadBucket) *fileWalker { |
| return &fileWalker{ |
| readBucket: storage.MapReadBucket( |
| readBucket, |
| storage.MatchPathExt(".proto"), |
| ), |
| } |
| } |
| |
| func (f *fileWalker) Walk(ctx context.Context, fu func(io.Reader) error) error { |
| return f.readBucket.Walk( |
| ctx, |
| "", |
| func(objectInfo storage.ObjectInfo) (retErr error) { |
| readObjectCloser, err := f.readBucket.Get(ctx, objectInfo.Path()) |
| if err != nil { |
| return err |
| } |
| defer func() { |
| retErr = multierr.Append(retErr, readObjectCloser.Close()) |
| }() |
| return fu(readObjectCloser) |
| }, |
| ) |
| } |