Amp\Artax\BufferWriter::doWrite PHP Méthode

    private function doWrite()
    {
        $bytesToWrite = strlen($this->buffer);
        $bytesWritten = @fwrite($this->socket, $this->buffer);
        $this->bytesWritten += $bytesWritten;
        if ($bytesToWrite === $bytesWritten) {
            $this->promisor->update($this->buffer);
            $this->succeed();
        } elseif (empty($bytesWritten) && $this->isSocketDead()) {
            $this->fail(new SocketException($this->generateWriteFailureMessage()));
        } else {
            $notifyData = substr($this->buffer, 0, $bytesWritten);
            $this->buffer = substr($this->buffer, $bytesWritten);
            $this->promisor->update($notifyData);
            $this->enableWriteWatcher();
        }
    }