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location.go
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location.go
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// Copyright (C) 2019-2023 vdaas.org vald team <vald@vdaas.org>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package location
import (
"sync"
"sync/atomic"
"github.com/vdaas/vald/apis/grpc/v1/payload"
)
var (
poolSize uint64 = 10
locPool = &sync.Pool{
New: func() interface{} {
return make(map[string]*payload.Object_Location, atomic.LoadUint64(&poolSize))
},
}
)
func ReStructure(uuids []string, locs *payload.Object_Locations) *payload.Object_Locations {
if locs == nil || locs.Locations == nil {
return nil
}
ll := uint64(len(locs.GetLocations()))
if ll > atomic.LoadUint64(&poolSize) {
atomic.StoreUint64(&poolSize, uint64(len(locs.GetLocations())))
}
lp := locPool.Get()
lmap, ok := lp.(map[string]*payload.Object_Location)
if !ok || lmap == nil {
lmap = make(map[string]*payload.Object_Location, ll)
}
for _, loc := range locs.Locations {
uuid := loc.GetUuid()
lm, ok := lmap[uuid]
if !ok || lm == nil {
lmap[uuid] = new(payload.Object_Location)
}
lmap[uuid].Ips = append(lmap[uuid].GetIps(), loc.GetIps()...)
}
locs.Locations = locs.Locations[:0]
for _, id := range uuids {
loc, ok := lmap[id]
if !ok {
loc = new(payload.Object_Location)
} else {
delete(lmap, id)
}
locs.Locations = append(locs.GetLocations(), loc)
}
for id, lm := range lmap {
locs.Locations = append(locs.GetLocations(), lm)
delete(lmap, id)
}
locPool.Put(lmap)
return locs
}