frostfs-node/pkg/services/object/search/container.go

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package searchsvc
import (
"context"
"encoding/hex"
"fmt"
"sync"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/client"
"go.uber.org/zap"
)
func (exec *execCtx) executeOnContainer(ctx context.Context) error {
lookupDepth := exec.netmapLookupDepth()
exec.log.Debug(logs.TryingToExecuteInContainer,
zap.Uint64("netmap lookup depth", lookupDepth),
)
// initialize epoch number
if err := exec.initEpoch(); err != nil {
return fmt.Errorf("%s: %w", logs.CouldNotGetCurrentEpochNumber, err)
}
for {
if err := exec.processCurrentEpoch(ctx); err != nil {
break
}
// check the maximum depth has been reached
if lookupDepth == 0 {
break
}
lookupDepth--
// go to the previous epoch
exec.curProcEpoch--
}
return nil
}
func (exec *execCtx) processCurrentEpoch(ctx context.Context) error {
exec.log.Debug(logs.ProcessEpoch,
zap.Uint64("number", exec.curProcEpoch),
)
traverser, _, err := exec.svc.traverserGenerator.GenerateTraverser(exec.containerID(), nil, exec.curProcEpoch)
if err != nil {
return fmt.Errorf("%s: %w", logs.SearchCouldNotGenerateContainerTraverser, err)
}
ctx, cancel := context.WithCancel(ctx)
defer cancel()
for {
addrs := traverser.Next()
if len(addrs) == 0 {
exec.log.Debug(logs.NoMoreNodesAbortPlacementIteration)
break
}
var wg sync.WaitGroup
var mtx sync.Mutex
for i := range addrs {
wg.Add(1)
go func(i int) {
defer wg.Done()
select {
case <-ctx.Done():
exec.log.Debug(logs.InterruptPlacementIterationByContext,
zap.String("error", ctx.Err().Error()))
return
default:
}
var info client.NodeInfo
client.NodeInfoFromNetmapElement(&info, addrs[i])
exec.log.Debug(logs.ProcessingNode, zap.String("key", hex.EncodeToString(addrs[i].PublicKey())))
c, err := exec.svc.clientConstructor.get(info)
if err != nil {
exec.log.Debug(logs.SearchCouldNotConstructRemoteNodeClient, zap.String("error", err.Error()))
return
}
ids, err := c.searchObjects(ctx, exec, info)
if err != nil {
exec.log.Debug(logs.SearchRemoteOperationFailed,
zap.String("error", err.Error()))
return
}
mtx.Lock()
err = exec.writeIDList(ids)
mtx.Unlock()
if err != nil {
exec.log.Debug(logs.SearchCouldNotWriteObjectIdentifiers, zap.String("error", err.Error()))
return
}
}(i)
}
wg.Wait()
}
return nil
}