mailru: skip extra http request if data fits in hash
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8fe87c8157
1 changed files with 19 additions and 14 deletions
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@ -1584,21 +1584,26 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
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fileBuf []byte
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fileHash []byte
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newHash []byte
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trySpeedup bool
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)
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// Request hash from source
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// Don't disturb the source if file fits in hash.
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// Skip an extra speedup request if file fits in hash.
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if size > mrhash.Size {
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// Request hash from source.
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if srcHash, err := src.Hash(ctx, hash.Mailru); err == nil && srcHash != "" {
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fileHash, _ = mrhash.DecodeString(srcHash)
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}
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// Try speedup method if it's globally enabled and source hash is available
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trySpeedup := o.fs.opt.SpeedupEnable
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// Try speedup if it's globally enabled and source hash is available.
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trySpeedup = o.fs.opt.SpeedupEnable
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if trySpeedup && fileHash != nil {
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if o.putByHash(ctx, fileHash, src, "source") {
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return nil
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}
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trySpeedup = false // speedup failed, force upload
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}
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}
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// Need to calculate hash, check whether file is still eligible for speedup
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if trySpeedup {
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