import okio.Buffer

/**
 * Quick and dirty pattern to differentiate IP addresses from hostnames. This is an approximation
 * of Android's private InetAddress#isNumeric API.
 *
 * This matches IPv6 addresses as a hex string containing at least one colon, and possibly
 * including dots after the first colon. It matches IPv4 addresses as strings containing only

    assertThat(body.string()).isEqualTo(text)
  }

  companion object {
    @JvmOverloads
    fun body(
      hex: String,
      charset: String? = null,
    ): ResponseBody {
      val mediaType = if (charset == null) null else "any/thing; charset=$charset".toMediaType()
      return hex.decodeHex().toResponseBody(mediaType)
    }

    fun exhaust(reader: Reader): String {
      val builder = StringBuilder()

              call: Call,
              connection: Connection,
            ) {
              val sslSocket = connection.socket() as SSLSocket

              sessionIds.add(sslSocket.session.id.toByteString().hex())
            }
          },
        ),
      ).build()

    server.enqueue(MockResponse(body = "abc1"))
    server.enqueue(MockResponse(body = "abc2"))

      if (closed) throw IOException("closed")
      if (!client) return // Nothing to write; servers don't send connection headers!
      if (logger.isLoggable(FINE)) {
        logger.fine(format(">> CONNECTION ${CONNECTION_PREFACE.hex()}"))
      }
      sink.write(CONNECTION_PREFACE)
      sink.flush()
    }
  }

  /** Applies `peerSettings` and then sends a settings ACK. */
  @Throws(IOException::class)

    private const val ENTRY_METADATA = 0
    private const val ENTRY_BODY = 1
    private const val ENTRY_COUNT = 2

    @JvmStatic
    fun key(url: HttpUrl): String = url.toString().encodeUtf8().md5().hex()

    @Throws(IOException::class)
    internal fun readInt(source: BufferedSource): Int {
      try {
        val result = source.readDecimalLong()
        val line = source.readUtf8LineStrict()

        " user-agent:OkHttp" +
        "]}",
    )
  }

  private fun bodyToHex(body: RequestBody): String {
    val buffer = Buffer()
    body.writeTo(buffer)
    return buffer.readByteString().hex()
  }

        val sslSocket = connection.socket() as SSLSocket
        val session = sslSocket.session

        val masterSecretHex =
          session.masterSecret?.encoded?.toByteString()
            ?.hex()

        if (masterSecretHex != null) {
          val keyLog = "CLIENT_RANDOM $random $masterSecretHex"

          if (verbose) {
            println(keyLog)
          }

        val utf8 = IDENTITY.encode(codePoint).encodeUtf8()
        val percentEncoded = Buffer()
        for (i in 0 until utf8.size) {
          percentEncoded.writeUtf8("%")
            .writeUtf8(ByteString.of(utf8[i]).hex().uppercase())
        }
        return percentEncoded.readUtf8()
      }
    },

    /** URLs that contain this character in this component are invalid.  */
    FORBIDDEN,

      // The server reads the CONNECTION_PREFACE byte string.
      val connectionPreface = source.readByteString(CONNECTION_PREFACE.size.toLong())
      if (logger.isLoggable(FINE)) logger.fine(format("<< CONNECTION ${connectionPreface.hex()}"))
      if (CONNECTION_PREFACE != connectionPreface) {
        throw IOException("Expected a connection header but was ${connectionPreface.utf8()}")
      }
    }
  }

  @Throws(IOException::class)