return
}

// Begin begins a transaction with any transaction options opts
func (db *DB) Begin(opts ...*sql.TxOptions) *DB {
	var (
		// clone statement
		tx  = db.getInstance().Session(&Session{Context: db.Statement.Context, NewDB: db.clone == 1})
		opt *sql.TxOptions
		err error
	)

	if len(opts) > 0 {
		opt = opts[0]
	}

	ctx := tx.Statement.Context
	if db.DefaultTransactionTimeout > 0 {

			}
		case "fp":
			z.FilePath, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "FilePath")
				return
			}
		case "do":
			err = z.Opts.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "Opts")
				return
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	return
}

	traceFn := globalLifecycleSys.trace(obj)
	opts := ObjectOptions{
		Expiration: ExpirationOptions{Expire: true},
	}

	if lcEvent.Action.DeleteVersioned() {
		opts.VersionID = obj.VersionID
	}

	opts.Versioned = globalBucketVersioningSys.PrefixEnabled(obj.Bucket, obj.Name)
	opts.VersionSuspended = globalBucketVersioningSys.PrefixSuspended(obj.Bucket, obj.Name)

		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	opts := extractReplicateDiffOpts(r.Form)
	if opts.ARN != "" {
		tgt := globalBucketTargetSys.GetRemoteBucketTargetByArn(ctx, bucket, opts.ARN)
		if tgt.Empty() {
			writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrInvalidRequest, fmt.Errorf("invalid arn : '%s'", opts.ARN)), r.URL)
			return
		}
	}

	bwRpt := globalNotificationSys.GetBandwidthReports(ctx, bucket)
	bwMap := bwRpt.BucketStats
	for arn, st := range stats.ReplicationStats.Stats {
		for opts, bw := range bwMap {
			if opts.ReplicationARN != "" && opts.ReplicationARN == arn {
				st.BandWidthLimitInBytesPerSecond = bw.LimitInBytesPerSecond
				st.CurrentBandwidthInBytesPerSecond = bw.CurrentBandwidthInBytesPerSecond

// Note: The check method tries to listen on given port and closes it.
// It is possible to have a disconnected client in this tiny window of time.
func CheckPortAvailability(host, port string, opts TCPOptions) (err error) {
	lc := &net.ListenConfig{}

	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
	defer cancel()

	l, err := lc.Listen(ctx, "tcp", net.JoinHostPort(host, port))

package http

import (
	"context"
	"net"
	"syscall"
	"time"
)

// TODO: if possible implement for non-linux platforms, not a priority at the moment
//
//nolint:unused
func setTCPParametersFn(opts TCPOptions) func(network, address string, c syscall.RawConn) error {
	return func(network, address string, c syscall.RawConn) error {
		return nil
	}
}

	if err != nil {
		return sz, err
	}
	return int64(usz), nil
}

func extractReplicateDiffOpts(q url.Values) (opts madmin.ReplDiffOpts) {
	opts.Verbose = q.Get("verbose") == "true"
	opts.ARN = q.Get("arn")
	opts.Prefix = q.Get("prefix")
	return opts
}

const (
	replicationMRFDir = bucketMetaPrefix + SlashSeparator + replicationDir + SlashSeparator + "mrf"
	mrfMetaFormat     = 1

// set minimal SSE-KMS headers if autoEncrypt is true and the BucketSSEConfig
// is nil.
func (b *BucketSSEConfig) Apply(headers http.Header, opts ApplyOptions) {
	if crypto.Requested(headers) {
		return
	}
	if b == nil {
		if opts.AutoEncrypt {
			headers.Set(xhttp.AmzServerSideEncryption, xhttp.AmzEncryptionKMS)
		}
		return
	}

	switch b.Algo() {
	case xhttp.AmzEncryptionAES:

	s.IsValid(w, r)
}

// DiskInfoHandler - returns disk info.
func (s *storageRESTServer) DiskInfoHandler(opts *DiskInfoOptions) (*DiskInfo, *grid.RemoteErr) {
	if !s.checkID(opts.DiskID) {
		return nil, grid.NewRemoteErr(errDiskNotFound)
	}
	info, err := s.getStorage().DiskInfo(context.Background(), *opts)
	if err != nil {
		info.Error = err.Error()
	}
	return &info, nil
}