mirror of https://github.com/perkeep/perkeep.git
55 lines
2.1 KiB
Go
55 lines
2.1 KiB
Go
/*
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Copyright 2012 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 main
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import (
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"os"
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"perkeep.org/pkg/blob"
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"perkeep.org/pkg/client"
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)
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// A HaveCache tracks whether a remove blobserver has a blob or not.
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// As NoteBlobExists overwrites any existing value, it is the responsibility of
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// the caller to stat before writing.
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type HaveCache interface {
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StatBlobCache(br blob.Ref) (size uint32, ok bool)
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NoteBlobExists(br blob.Ref, size uint32)
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Close() error
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}
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// UploadCache is the "stat cache" for regular files. Given a current
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// working directory, possibly relative filename, stat info, and
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// whether that file was uploaded with a permanode (-filenodes),
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// returns what the ultimate put result (the top-level "file" schema
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// blob) for that regular file was.
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type UploadCache interface {
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// CachedPutResult looks in the cache for the put result for the file
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// that was uploaded. If withPermanode, it is only a hit if a planned
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// permanode for the file was created and uploaded too, and vice-versa.
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// The returned PutResult is always for the "file" schema blob.
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CachedPutResult(pwd, filename string, fi os.FileInfo, withPermanode bool) (*client.PutResult, error)
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// AddCachedPutResult stores in the cache the put result for the file that
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// was uploaded. If withPermanode, it means a planned permanode was created
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// for this file when it was uploaded (with -filenodes), and the cache entry
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// will reflect that.
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// As AddCachedPutResult overwrites any existing value, it is the responsibility of
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// the caller to stat before writing.
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AddCachedPutResult(pwd, filename string, fi os.FileInfo, pr *client.PutResult, withPermanode bool)
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Close() error
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}
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