frostfs-node/pkg/services/replicator/process.go

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package replicator
import (
"context"
"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/engine"
putsvc "github.com/TrueCloudLab/frostfs-node/pkg/services/object/put"
"github.com/TrueCloudLab/frostfs-sdk-go/netmap"
"go.uber.org/zap"
)
// TaskResult is a replication result interface.
type TaskResult interface {
// SubmitSuccessfulReplication submits the successful object replication
// to the given node.
SubmitSuccessfulReplication(netmap.NodeInfo)
}
// HandleTask executes replication task inside invoking goroutine.
// Passes all the nodes that accepted the replication to the TaskResult.
func (p *Replicator) HandleTask(ctx context.Context, task Task, res TaskResult) {
defer func() {
p.log.Debug("finish work",
zap.Uint32("amount of unfinished replicas", task.quantity),
)
}()
if task.obj == nil {
var err error
task.obj, err = engine.Get(p.localStorage, task.addr)
if err != nil {
p.log.Error("could not get object from local storage",
zap.Stringer("object", task.addr),
zap.Error(err))
return
}
}
prm := new(putsvc.RemotePutPrm).
WithObject(task.obj)
for i := 0; task.quantity > 0 && i < len(task.nodes); i++ {
select {
case <-ctx.Done():
return
default:
}
log := p.log.With(
zap.String("node", netmap.StringifyPublicKey(task.nodes[i])),
zap.Stringer("object", task.addr),
)
callCtx, cancel := context.WithTimeout(ctx, p.putTimeout)
err := p.remoteSender.PutObject(callCtx, prm.WithNodeInfo(task.nodes[i]))
cancel()
if err != nil {
log.Error("could not replicate object",
zap.String("error", err.Error()),
)
} else {
log.Debug("object successfully replicated")
task.quantity--
res.SubmitSuccessfulReplication(task.nodes[i])
}
}
}