import java.lang.ref.WeakReference
import java.net.Socket
import java.util.concurrent.CopyOnWriteArrayList
import java.util.concurrent.ExecutorService
import java.util.concurrent.RejectedExecutionException
import java.util.concurrent.TimeUnit.MILLISECONDS
import java.util.concurrent.atomic.AtomicBoolean
import java.util.concurrent.atomic.AtomicInteger
import java.util.concurrent.locks.ReentrantLock
import okhttp3.Call
import okhttp3.Callback

 * limitations under the License.
 */
@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")

package okhttp3.logging

import java.io.IOException
import java.nio.charset.Charset
import java.util.TreeSet
import java.util.concurrent.TimeUnit
import okhttp3.Headers
import okhttp3.HttpUrl
import okhttp3.Interceptor
import okhttp3.OkHttpClient
import okhttp3.Response
import okhttp3.internal.charsetOrUtf8

import java.io.IOException
import java.net.InetSocketAddress
import java.net.Socket
import java.security.GeneralSecurityException
import java.security.KeyStore
import java.security.Security
import java.util.logging.Level
import java.util.logging.Logger
import javax.net.ssl.ExtendedSSLSession
import javax.net.ssl.SNIHostName
import javax.net.ssl.SSLContext
import javax.net.ssl.SSLSocket
import javax.net.ssl.SSLSocketFactory

import java.io.IOException
import java.lang.ref.Reference
import java.net.Proxy
import java.net.Socket
import java.net.SocketException
import java.security.cert.X509Certificate
import java.util.concurrent.TimeUnit.MILLISECONDS
import java.util.concurrent.locks.ReentrantLock
import javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.SSLSocket
import kotlin.concurrent.withLock
import okhttp3.Address
import okhttp3.Connection

import assertk.assertions.isEqualTo
import assertk.assertions.isTrue
import java.io.IOException
import java.io.InputStreamReader
import java.io.Reader
import java.nio.charset.StandardCharsets
import java.util.concurrent.atomic.AtomicBoolean
import kotlin.test.assertFailsWith
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.ResponseBody.Companion.toResponseBody
import okhttp3.internal.and
import okio.Buffer

import assertk.assertions.isNull
import assertk.assertions.isTrue
import java.math.BigInteger
import java.net.InetAddress
import java.net.ProtocolException
import java.text.SimpleDateFormat
import java.util.Date
import java.util.TimeZone
import kotlin.test.assertFailsWith
import okhttp3.tls.internal.der.CertificateAdapters.generalNameDnsName
import okhttp3.tls.internal.der.CertificateAdapters.generalNameIpAddress

import assertk.assertions.isNull
import assertk.assertions.matches
import java.math.BigInteger
import java.security.KeyFactory
import java.security.spec.PKCS8EncodedKeySpec
import java.security.spec.X509EncodedKeySpec
import java.util.concurrent.TimeUnit
import okhttp3.testing.PlatformRule
import okhttp3.tls.HeldCertificate.Companion.decode
import okio.ByteString.Companion.decodeBase64
import org.bouncycastle.asn1.x509.GeneralName

  return when {
    isMappedIpv4Address(address) -> address.sliceArray(12 until 16)
    else -> address
  }
}

/** Returns true for IPv6 addresses like `0000:0000:0000:0000:0000:ffff:XXXX:XXXX`. */
private fun isMappedIpv4Address(address: ByteArray): Boolean {
  if (address.size != 16) return false

  for (i in 0 until 10) {
    if (address[i] != 0.toByte()) return false
  }

    compresses messages of size 1 KiB and larger. (Inbound messages are compressed or not based on
    the web socket server's configuration.)
 *  New: Defer constructing `Inflater` and `Deflater` instances until they are needed. This saves
    memory if web socket compression is negotiated but not used.


## Version 4.5.0-RC1

_2020-03-17_

**This release candidate turns on web socket compression.**

     * returned.
     *
     * If upstream would be selected but another thread is already reading upstream this will
     * block until that read completes. It is possible to time out while waiting for that.
     */
    @Throws(IOException::class)
    override fun read(
      sink: Buffer,
      byteCount: Long,
    ): Long {