OkHttpDebugLogging.enableTaskRunner()
```

### Activating on Android

```
$ adb shell setprop log.tag.okhttp.Http2 DEBUG
$ adb shell setprop log.tag.okhttp.TaskRunner DEBUG
$ adb logcat '*:E' 'okhttp.Http2:D' 'okhttp.TaskRunner:D'
```

### HTTP/2 Frame Logging

This logs inbound (`<<`) and outbound (`>>`) frames for HTTP/2 connections.

```
[2020-01-01 00:00:00] >> CONNECTION 505249202a20485454502f322e300d0a0d0a534d0d0a0d0a

      clearPrevious: Boolean,
      settings: Settings,
    ) {
      check(type == -1)
      this.type = Http2.TYPE_SETTINGS
      this.clearPrevious = clearPrevious
      this.settings = settings
    }

    override fun ackSettings() {
      check(type == -1)
      this.type = Http2.TYPE_SETTINGS
      this.ack = true
    }

    override fun headers(
      inFinished: Boolean,

import okhttp3.Request
import okhttp3.TlsVersion
import okhttp3.brotli.Brotli
import okhttp3.dnsoverhttps.DnsOverHttps
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.http2.Http2
import okhttp3.internal.platform.Android10Platform
import okhttp3.internal.platform.AndroidPlatform
import okhttp3.internal.platform.Platform
import okhttp3.internal.platform.PlatformRegistry

import okhttp3.internal.http.ExchangeCodec
import okhttp3.internal.http.RealInterceptorChain
import okhttp3.internal.http1.Http1ExchangeCodec
import okhttp3.internal.http2.ConnectionShutdownException
import okhttp3.internal.http2.ErrorCode
import okhttp3.internal.http2.FlowControlListener
import okhttp3.internal.http2.Http2Connection
import okhttp3.internal.http2.Http2ExchangeCodec
import okhttp3.internal.http2.Http2Stream

import kotlin.reflect.KClass
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.http2.Http2

object OkHttpDebugLogging {
  // Keep references to loggers to prevent their configuration from being GC'd.
  private val configuredLoggers = CopyOnWriteArraySet<Logger>()

  fun enableHttp2() = enable(Http2::class)

  fun enableTaskRunner() = enable(TaskRunner::class)

  fun logHandler() =

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.http2

import java.io.IOException

/** Thrown when an HTTP/2 stream is canceled without damage to the socket that carries it. */
class StreamResetException(
  @JvmField val errorCode: ErrorCode,

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.http2

import java.io.IOException

/**
 * Thrown when an HTTP/2 connection is shutdown (either explicitly or if the peer has sent a GOAWAY
 * frame) and an attempt is made to use the connection.
 */

import java.util.logging.ConsoleHandler
import java.util.logging.Level
import java.util.logging.LogManager
import java.util.logging.LogRecord
import java.util.logging.Logger
import okhttp3.internal.http2.Http2

class LoggingUtil {
  companion object {
    private val activeLoggers = mutableListOf<Logger>()

    fun configureLogging(
      debug: Boolean,
      showHttp2Frames: Boolean,
      sslDebug: Boolean,

import okhttp3.internal.concurrent.wait
import okhttp3.internal.concurrent.withLock
import okhttp3.internal.connection.BufferedSocket
import okhttp3.internal.http2.ErrorCode.REFUSED_STREAM
import okhttp3.internal.http2.Settings.Companion.DEFAULT_INITIAL_WINDOW_SIZE
import okhttp3.internal.http2.flowcontrol.WindowCounter
import okhttp3.internal.ignoreIoExceptions
import okhttp3.internal.okHttpName
import okhttp3.internal.platform.Platform

import okhttp3.internal.concurrent.TaskRunner.RealBackend
import okhttp3.internal.concurrent.withLock
import okhttp3.internal.http2.Http2
import okhttp3.internal.http2.Http2Connection
import okhttp3.internal.http2.Http2ConnectionTest
import okhttp3.internal.http2.MockHttp2Peer
import okhttp3.internal.http2.Settings
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.Disabled
import org.junit.jupiter.api.Test