internal val lock: ReentrantLock = ReentrantLock()

  private val hpackBuffer: Buffer = Buffer()
  private var maxFrameSize: Int = INITIAL_MAX_FRAME_SIZE
  private var closed: Boolean = false
  val hpackWriter: Hpack.Writer = Hpack.Writer(out = hpackBuffer)

  @Throws(IOException::class)
  fun connectionPreface() {
    this.withLock {
      if (closed) throw IOException("closed")

      reader = null

      if (enqueuedClose && messageAndCloseQueue.isEmpty()) {
        // Close the writer on the writer's thread.
        val writerToClose = this.writer
        if (writerToClose != null) {
          this.writer = null
          taskQueue.execute("$name writer close", cancelable = false) {
            writerToClose.closeQuietly()
          }
        }

      }
      if (associatedStreamId == 0) {
        writer.headers(outFinished, streamId, requestHeaders)
      } else {
        require(!client) { "client streams shouldn't have associated stream IDs" }
        // HTTP/2 has a PUSH_PROMISE frame.
        writer.pushPromise(associatedStreamId, streamId, requestHeaders)
      }
    }

    if (flushHeaders) {
      writer.flush()
    }

    return stream
  }

    assertFailsWith<IllegalStateException> {
      abort()
    }
  }

  private fun Editor.setString(
    index: Int,
    value: String,
  ) {
    newSink(index).buffer().use { writer ->
      writer.writeUtf8(value)
    }
  }

Mahmoud Abuzaina, Maksym Kysylov, Mandar Deshpande, manhyuk, Manraj Singh
Grover, Marco Gaido, Marek Drozdowski, Margaret Maynard-Reid, Mark Ryan, mars20,
Mateusz Chudyk, Matt Conley, mbhuiyan, mdfaijul, Mei Jie, Melissa Grueter,
merturl, MichaelKonobeev, Michael KäUfl, Michal W. Tarnowski, MickaëL
Schoentgen, Miguel Morin, Mihail Salnikov, Mikalai Drabovich, Mike Arpaia, Mike

  fun setClient(client: Boolean) {
    if (this.client == client) return
    this.client = client
    writer = Http2Writer(bytesOut, client)
  }

  fun acceptFrame() {
    frameCount++
  }

  /** Maximum length of an outbound data frame.  */
  fun maxOutboundDataLength(): Int = writer.maxDataLength()

  /** Count of frames sent or received.  */
  fun frameCount(): Int = frameCount

Par exemple :

* Traitements d'**audio** et d'**images**.
* La **vision par ordinateur** : une image est composée de millions de pixels, chaque pixel ayant 3 valeurs / couleurs, les traiter tous va nécessiter d'effectuer des traitements sur chaque pixel, et de préférence tous en même temps.

    // Verify the peer's settings were read and applied.
    assertThat(connection.peerSettings.headerTableSize).isEqualTo(0)
    val writer = connection.writer
    assertThat(writer.hpackWriter.dynamicTableByteCount).isEqualTo(0)
    assertThat(writer.hpackWriter.headerTableSizeSetting).isEqualTo(0)
  }

  @Test fun peerHttp2ClientDisablesPush() {
    val client = false // Peer is client, so we are server.