* limitations under the License.
 */
package okhttp3.internal.platform.android

import javax.net.ssl.SSLSocket
import okhttp3.Protocol

/**
 * Deferred implementation of SocketAdapter that works by observing the socket
 * and initializing on first use.
 *
 * We use this because eager classpath checks cause confusion and excessive logging in Android,

import java.net.SocketTimeoutException
import java.util.ArrayDeque
import java.util.concurrent.locks.Condition
import java.util.concurrent.locks.ReentrantLock
import okhttp3.Headers
import okhttp3.internal.EMPTY_HEADERS
import okhttp3.internal.assertNotHeld
import okhttp3.internal.connection.Locks.withLock
import okhttp3.internal.http2.flowcontrol.WindowCounter
import okhttp3.internal.toHeaderList

      assertEquals(200, response.code)
      assertEquals(TlsVersion.TLS_1_3, response.handshake?.tlsVersion)
      assertEquals(Protocol.HTTP_2, response.protocol)

      assertThat(response.exchangeAccessor!!.connectionAccessor.socket())
        .isInstanceOf<SSLSocketImpl>()
    }
  }

  @Test
  fun testSupportedProtocols() {
    val factory = SSLSocketFactoryImpl()
    val s = factory.createSocket() as SSLSocketImpl

 * the License.
 */

package com.google.common.util.concurrent;

import com.google.common.annotations.J2ktIncompatible;
import java.util.Date;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Condition;

/** Forwarding wrapper around a {@code Condition}. */
@J2ktIncompatible
@ElementTypesAreNonnullByDefault
abstract class ForwardingCondition implements Condition {
  abstract Condition delegate();

net.ipv4.tcp_timestamps=0

# Increase throughput
net.ipv4.tcp_sack=1

# Low latency mode for TCP
net.ipv4.tcp_low_latency=1

# The following variable is used to tell the kernel how 
# much of the socket buffer space should be used for TCP 
# window size, and how much to save for an application buffer.
net.ipv4.tcp_adv_win_scale=1

# disable RFC2861 behavior
net.ipv4.tcp_slow_start_after_idle = 0

import com.google.common.util.concurrent.CycleDetectingLockFactory.PotentialDeadlockException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import junit.framework.TestCase;

/**
 * Unittests for {@link CycleDetectingLockFactory}.
 *
 * @author Darick Tong
 */

import com.google.common.util.concurrent.CycleDetectingLockFactory.PotentialDeadlockException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import junit.framework.TestCase;

/**
 * Unittests for {@link CycleDetectingLockFactory}.
 *
 * @author Darick Tong
 */

import okhttp3.internal.skipAll
import okio.Buffer
import okio.BufferedSink
import okio.BufferedSource
import okio.ForwardingTimeout
import okio.Sink
import okio.Source
import okio.Timeout

/**
 * A socket connection that can be used to send HTTP/1.1 messages. This class strictly enforces the
 * following lifecycle:
 *
 *  1. [Send request headers][writeRequest].

`github.com`) and all of the **static** configuration necessary to connect to that server: the port number, HTTPS settings, and preferred network protocols (like HTTP/2).

URLs that share the same address may also share the same underlying TCP socket connection. Sharing a connection has substantial performance benefits: lower latency, higher throughput (due to [TCP slow start](https://www.igvita.com/2011/10/20/faster-web-vs-tcp-slow-start/)) and conserved battery. OkHttp uses a [ConnectionPoo...

      }

    /** Sets the trailers and returns this. */
    fun trailers(trailers: Headers) =
      apply {
        this.trailers = trailers.newBuilder()
      }

    /** Sets the socket policy and returns this. */
    fun socketPolicy(socketPolicy: SocketPolicy) =
      apply {
        this.socketPolicy = socketPolicy
      }

    /**