55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package metrics
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import (
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"context"
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"storj.io/common/pb"
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"storj.io/common/rpc/rpcstatus"
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"storj.io/storj/satellite/metainfo"
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)
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// Counter implements the metainfo loop observer interface for data science metrics collection.
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//
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// architecture: Observer
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type Counter struct {
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RemoteDependent int64
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Inline int64
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Total int64
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}
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// NewCounter instantiates a new counter to be subscribed to the metainfo loop.
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func NewCounter() *Counter {
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return &Counter{}
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}
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// Object increments counts for inline objects and remote dependent objects.
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func (counter *Counter) Object(ctx context.Context, path metainfo.ScopedPath, pointer *pb.Pointer) (err error) {
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streamMeta := &pb.StreamMeta{}
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err = pb.Unmarshal(pointer.Metadata, streamMeta)
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if err != nil {
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return rpcstatus.Error(rpcstatus.Internal, err.Error())
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}
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if streamMeta.NumberOfSegments == 1 && pointer.Type == pb.Pointer_INLINE {
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counter.Inline++
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} else {
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counter.RemoteDependent++
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}
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counter.Total++
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return nil
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}
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// RemoteSegment returns nil because counter does not interact with remote segments this way for now.
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func (counter *Counter) RemoteSegment(ctx context.Context, path metainfo.ScopedPath, pointer *pb.Pointer) (err error) {
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return nil
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}
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// InlineSegment returns nil because counter does not interact with inline segments this way for now.
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func (counter *Counter) InlineSegment(ctx context.Context, path metainfo.ScopedPath, pointer *pb.Pointer) (err error) {
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return nil
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}
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