forked from TrueCloudLab/restic
649cbec6c5
This command can only be built on Darwin, FreeBSD and Linux (and if we upgrade bazil.org/fuse, only FreeBSD and Linux: https://github.com/bazil/fuse/issues/224). Listing the few supported operating systems explicitly here makes porting restic to new platforms easier.
34 lines
765 B
Go
34 lines
765 B
Go
// +build darwin freebsd linux
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package fuse
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import (
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"github.com/restic/restic/internal/restic"
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"golang.org/x/net/context"
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)
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// BlobSizeCache caches the size of blobs in the repo.
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type BlobSizeCache struct {
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m map[restic.ID]uint
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}
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// NewBlobSizeCache returns a new blob size cache containing all entries from midx.
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func NewBlobSizeCache(ctx context.Context, idx restic.Index) *BlobSizeCache {
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m := make(map[restic.ID]uint, 1000)
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for pb := range idx.Each(ctx) {
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m[pb.ID] = uint(restic.PlaintextLength(int(pb.Length)))
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}
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return &BlobSizeCache{
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m: m,
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}
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}
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// Lookup returns the size of the blob id.
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func (c *BlobSizeCache) Lookup(id restic.ID) (size uint, found bool) {
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if c == nil {
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return 0, false
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}
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size, found = c.m[id]
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return size, found
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}
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