package nfacct

import (
	"bytes"
	"encoding/binary"
	"errors"
	"fmt"
	"io"
	"syscall"

	"github.com/vishvananda/netlink/nl"
	"golang.org/x/sys/unix"
)

// MaxLength represents the maximum length allowed for the name in a nfacct counter.
const MaxLength = 31

// nf netlink nfacct commands, these should strictly match with the ones defined in kernel headers.

	size, err := binary.ReadUvarint(r)
	if err != nil {
		return batch{}, gen, fmt.Errorf("error reading batch size: %w", err)
	}
	if size > go122.MaxBatchSize {
		return batch{}, gen, fmt.Errorf("invalid batch size %d, maximum is %d", size, go122.MaxBatchSize)
	}

	// Copy out the batch for later processing.
	var data bytes.Buffer
	data.Grow(int(size))
	n, err := io.CopyN(&data, r, int64(size))
	if n != int64(size) {

        JavaVersion maxi = getMaximumJavaVersionFor(kotlinVersionNumber)
        if (maxi != null) {
            assumeTrue("KGP $kotlinVersionNumber maximum supported Java version is $maxi, current is $current", current <= maxi)
        }
    }

    static boolean hasConfigurationCacheWarnings(VersionNumber kotlinVersion) {

	// prefix.
	setBrowserRedirectMiddleware,
	// Adds 'crossdomain.xml' policy middleware to serve legacy flash clients.
	setCrossDomainPolicyMiddleware,
	// Limits all body and header sizes to a maximum fixed limit
	setRequestLimitMiddleware,
	// Validate all the incoming requests.
	setRequestValidityMiddleware,
	// Add upload forwarding middleware for site replication
	setUploadForwardingMiddleware,

func optimalPartSize(objectSize int64) (partSize int64, err error) {
	// object size is '-1' set it to 5TiB.
	if objectSize == -1 {
		objectSize = maxMultipartPutObjectSize
	}

	// object size is larger than supported maximum.
	if objectSize > maxMultipartPutObjectSize {
		err = errors.New("entity too large")
		return
	}

	configuredPartSize := minPartSize
	// Use floats for part size for all calculations to avoid

// reach their maximum values (4095 and 12), i.e. after we no longer save prior
// expansions. In particular, it tests seeing the highest possible code, 4095.
func TestNoLongerSavingPriorExpansions(t *testing.T) {
	// Iterations is used to calculate how many input bits are needed to get
	// the decoder.hi and decoder.width values up to their maximum.
	iterations := []struct {
		width, n int
	}{

	// operations nonblocking.
	spliceNonblock = 0x2

	// maxSpliceSize is the maximum amount of data Splice asks
	// the kernel to move in a single call to splice(2).
	// We use 1MB as Splice writes data through a pipe, and 1MB is the default maximum pipe buffer size,
	// which is determined by /proc/sys/fs/pipe-max-size.
	maxSpliceSize = 1 << 20
)

	gwConformanceConfig "sigs.k8s.io/gateway-api/conformance/utils/config"

	"istio.io/istio/pkg/test"
	"istio.io/istio/pkg/test/framework/label"
	"istio.io/istio/pkg/util/sets"
)

const (
	// maxTestIDLength is the maximum length allowed for testID.
	maxTestIDLength = 30
)

// ImageSettings for container images.
type ImageSettings struct {
	// Hub value to use in Helm templates
	Hub string

	// Tag value to use in Helm templates

  // * FQDN: Represents a Fully Qualified Domain Name.
  optional string addressType = 4;

  // endpoints is a list of unique endpoints in this slice. Each slice may
  // include a maximum of 1000 endpoints.
  // +listType=atomic
  repeated Endpoint endpoints = 2;

  // ports specifies the list of network ports exposed by each endpoint in

	offsetX86HasPOPCNT = unsafe.Offsetof(cpu.X86.HasPOPCNT)

	offsetS390xHasVX = unsafe.Offsetof(cpu.S390X.HasVX)

	offsetPPC64HasPOWER9 = unsafe.Offsetof(cpu.PPC64.IsPOWER9)
)

// MaxLen is the maximum length of the string to be searched for (argument b) in Index.
// If MaxLen is not 0, make sure MaxLen >= 4.
var MaxLen int

// PrimeRK is the prime base used in Rabin-Karp algorithm.
const PrimeRK = 16777619