TrueCloudLab/frostfs-node
20
1
Fork 27
Code Issues 100 Pull requests 4 Projects Releases 1 Activity Actions

[#1451] placement: Return copy of slice from container nodes cache

Browse source 
Nodes from cache could be changed by traverser, if no objectID specified.
So it is required to return copy of cache's slice.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
This commit is contained in:
Dmitrii Stepanov 2024-10-29 12:39:50 +03:00 committed by Evgenii Stratonikov
parent 3cf6ea745d
commit 7edec9193c
1 changed files with 11 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
pkg/services/object_manager/placement/cache.go
View file

@ -3,6 +3,7 @@ package placement
import (
"crypto/sha256"
"fmt"
"slices"
"sync"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
@ -44,7 +45,7 @@ func (c *ContainerNodesCache) ContainerNodes(nm *netmapSDK.NetMap, cnr cid.ID, p
raw, ok := c.containerCache.Get(cnr)
c.mtx.Unlock()
if ok {
return raw, nil
return c.cloneResult(raw), nil
}
} else {
c.lastEpoch = nm.Epoch()
@ -65,5 +66,13 @@ func (c *ContainerNodesCache) ContainerNodes(nm *netmapSDK.NetMap, cnr cid.ID, p
c.containerCache.Add(cnr, cn)
}
c.mtx.Unlock()
return cn, nil
return c.cloneResult(cn), nil
}
func (c *ContainerNodesCache) cloneResult(nodes [][]netmapSDK.NodeInfo) [][]netmapSDK.NodeInfo {
result := make([][]netmapSDK.NodeInfo, len(nodes))
for repIdx := range nodes {
result[repIdx] = slices.Clone(nodes[repIdx])
}
return result
}