// made generalized, and can be integrated in benchmarks/unit tests/go check suite tests.
type TestErrHandler interface {
	testing.TB
}

const (
	// ErasureSDStr is the string which is used as notation for Single node ObjectLayer in the unit tests.
	ErasureSDStr string = "ErasureSD"

	// ErasureTestStr is the string which is used as notation for Erasure ObjectLayer in the unit tests.
	ErasureTestStr string = "Erasure"

			reqHeaders.Set("Transfer-Encoding", strings.Join(r.TransferEncoding, ","))
		}
		inputBytes := reqRecorder.Size()
		for k, v := range reqHeaders {
			inputBytes += len(k) + len(v)
		}

		// Calculate node name
		nodeName := r.Host
		if globalIsDistErasure {
			nodeName = globalLocalNodeName
		}
		if host, port, err := net.SplitHostPort(nodeName); err == nil {
			if port == "443" || port == "80" {

	signedHeaders = append(signedHeaders, "x-amz-server-side-encryption")
	// expect to fail with `ErrUnsignedHeaders` because couldn't find some header
	_, errCode = extractSignedHeaders(signedHeaders, r)
	if errCode != ErrUnsignedHeaders {
		t.Fatalf("Expected the APIErrorCode to %d, but got %d", ErrUnsignedHeaders, errCode)
	}
	// set headers value through Get parameter
	inputQuery.Add("x-amz-server-side-encryption", xhttp.AmzEncryptionAES)

		return false
	}
	for k, v := range fi.Metadata {
		if ov, ok := ofi.Metadata[k]; !ok || ov != v {
			return false
		}
	}
	return true
}

// ReplicationInfoEquals returns true if server-side replication related fields are equal, false otherwise.
func (fi FileInfo) ReplicationInfoEquals(ofi FileInfo) bool {
	switch {
	case fi.MarkDeleted != ofi.MarkDeleted,
		!fi.ReplicationState.Equal(ofi.ReplicationState):

	"github.com/minio/minio/internal/logger"
	"github.com/minio/minio/internal/pubsub"
	"github.com/minio/mux"
	"github.com/minio/pkg/v2/logger/message/log"
)

// To abstract a node over network.
type peerRESTServer struct{}

var (
	// Types & Wrappers
	aoBucketInfo           = grid.NewArrayOf[*BucketInfo](func() *BucketInfo { return &BucketInfo{} })

func (h *SingleHandler[Req, Resp]) PutResponse(r Resp) {
	h.recycleResp(r)
}

// AllowCallRequestPool indicates it is safe to reuse the request
// on the client side, meaning the request is recycled/pooled when a request is sent.
// CAREFUL: This should only be used when there are no pointers, slices that aren't freshly constructed.

			return size, nil
		}
		return o.DecryptedSize()
	}

	return o.Size, nil
}

// Disabling compression for encrypted enabled requests.
// Using compression and encryption together enables room for side channel attacks.
// Eliminate non-compressible objects by extensions/content-types.
func isCompressible(header http.Header, object string) bool {
	globalCompressConfigMu.Lock()
	cfg := globalCompressConfig

	// Calling this returns true or false if the target
	// is online or offline.
	HealthCheckFn func() bool

	// HealthCheckRetryUnit will be used to calculate the exponential
	// backoff when trying to reconnect to an offline node
	HealthCheckReconnectUnit time.Duration

	// HealthCheckTimeout determines timeout for each call.
	HealthCheckTimeout time.Duration

	// MaxErrResponseSize is the maximum expected response size.

	nodes := endpoints.GetNodes()
	peers = make([]peerS3Client, len(nodes))
	for i, node := range nodes {
		if node.IsLocal {
			peers[i] = &localPeerS3Client{node: node}
		} else {
			peers[i] = newPeerS3Client(node)
		}
		peers[i].SetPools(node.Pools)
	}

	return peers
}

// Returns a peer S3 client.
func newPeerS3Client(node Node) peerS3Client {
	var gridConn atomic.Pointer[grid.Connection]

		if v.DeploymentID == globalDeploymentID() {
			continue
		}
		// if individual deployment change like mode, endpoint, default bandwidth
		// send it to all sites. Else send the current node details to all sites
		// for ILM expiry flag update
		var p madmin.PeerInfo
		if peer.DeploymentID != "" {
			p = pi
		} else {
			p = v
		}
		wg.Add(1)