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[TrueCloudLab/hrw#2] sdk-go: Optimize node hash

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Compute node hash by node initialization

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
This commit is contained in:
Dmitrii Stepanov 2023-02-28 14:04:19 +03:00 committed by fyrchik
parent 2cbc585edd
commit e9c1a2ab2b
1 changed files with 7 additions and 1 deletions
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8
netmap/node_info.go
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@ -25,7 +25,8 @@ import (
// //
// Instances can be created using built-in var declaration. // Instances can be created using built-in var declaration.
type NodeInfo struct { type NodeInfo struct {
m netmap.NodeInfo m netmap.NodeInfo
hash uint64
} }
// reads NodeInfo from netmap.NodeInfo message. If checkFieldPresence is set, // reads NodeInfo from netmap.NodeInfo message. If checkFieldPresence is set,
@ -86,6 +87,7 @@ func (x *NodeInfo) readFromV2(m netmap.NodeInfo, checkFieldPresence bool) error
} }
x.m = m x.m = m
x.hash = hrw.Hash(binPublicKey)
return nil return nil
} }
@ -167,6 +169,7 @@ func (x *NodeInfo) UnmarshalJSON(data []byte) error {
// See also PublicKey. // See also PublicKey.
func (x *NodeInfo) SetPublicKey(key []byte) { func (x *NodeInfo) SetPublicKey(key []byte) {
x.m.SetPublicKey(key) x.m.SetPublicKey(key)
x.hash = hrw.Hash(x.m.GetPublicKey())
} }
// PublicKey returns value set using SetPublicKey. // PublicKey returns value set using SetPublicKey.
@ -233,6 +236,9 @@ var _ hrw.Hasher = NodeInfo{}
// Hash is needed to support weighted HRW therefore sort function sorts nodes // Hash is needed to support weighted HRW therefore sort function sorts nodes
// based on their public key. Hash isn't expected to be used directly. // based on their public key. Hash isn't expected to be used directly.
func (x NodeInfo) Hash() uint64 { func (x NodeInfo) Hash() uint64 {
if x.hash != 0 {
return x.hash
}
return hrw.Hash(x.m.GetPublicKey()) return hrw.Hash(x.m.GetPublicKey())
} }