f6e56aa956
Implement placement.Builder interface on netmap.Source wrapper. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package placement
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import (
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netmapSDK "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/nspcc-dev/neofs-node/pkg/core/netmap"
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"github.com/pkg/errors"
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)
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type netMapBuilder struct {
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nmSrc netmap.Source
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}
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type netMapSrc struct {
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nm *netmapSDK.Netmap
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}
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func NewNetworkMapBuilder(nm *netmapSDK.Netmap) Builder {
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return &netMapBuilder{
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nmSrc: &netMapSrc{nm},
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}
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}
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func NewNetworkMapSourceBuilder(nmSrc netmap.Source) Builder {
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return &netMapBuilder{
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nmSrc: nmSrc,
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}
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}
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func (s *netMapSrc) GetNetMap(diff uint64) (*netmapSDK.Netmap, error) {
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return s.nm, nil
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}
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func (b *netMapBuilder) BuildPlacement(a *object.Address, p *netmapSDK.PlacementPolicy) ([]netmapSDK.Nodes, error) {
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nm, err := netmap.GetLatestNetworkMap(b.nmSrc)
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if err != nil {
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return nil, errors.Wrap(err, "could not get network map")
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}
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aV2 := a.ToV2()
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cn, err := 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 := 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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