mirror of https://github.com/perkeep/perkeep.git
47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
/*
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Copyright 2011 The Perkeep Authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package s3
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import (
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"context"
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"fmt"
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"os"
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"perkeep.org/pkg/blob"
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"perkeep.org/pkg/blobserver"
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"go4.org/syncutil"
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)
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var statGate = syncutil.NewGate(20) // arbitrary
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func (sto *s3Storage) StatBlobs(ctx context.Context, blobs []blob.Ref, fn func(blob.SizedRef) error) (err error) {
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if faultStat.FailErr(&err) {
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return
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}
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return blobserver.StatBlobsParallelHelper(ctx, blobs, fn, statGate, func(br blob.Ref) (sb blob.SizedRef, err error) {
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size, err := sto.s3Client.Stat(ctx, sto.dirPrefix+br.String(), sto.bucket)
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if err == nil {
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return blob.SizedRef{Ref: br, Size: uint32(size)}, nil
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}
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if err == os.ErrNotExist {
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return sb, nil
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}
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return sb, fmt.Errorf("error statting %v: %v", br, err)
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})
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}
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