forked from TrueCloudLab/frostfs-node
38 lines
830 B
Go
38 lines
830 B
Go
package placement
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import (
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"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
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"github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/pkg/errors"
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)
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type netMapBuilder struct {
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nm *netmap.Netmap
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}
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func NewNetworkMapBuilder(nm *netmap.Netmap) Builder {
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return &netMapBuilder{
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nm: nm,
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}
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}
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func (b *netMapBuilder) BuildPlacement(a *object.Address, p *netmap.PlacementPolicy) ([]netmap.Nodes, error) {
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aV2 := a.ToV2()
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cn, err := b.nm.GetContainerNodes(p, aV2.GetContainerID().GetValue())
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if err != nil {
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return nil, errors.Wrap(err, "could not get container nodes")
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}
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oid := aV2.GetObjectID()
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if oid == nil {
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return cn.Replicas(), nil
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}
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on, err := b.nm.GetPlacementVectors(cn, oid.GetValue())
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if err != nil {
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return nil, errors.Wrap(err, "could not get placement vectors for object")
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}
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return on, nil
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}
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