Method _write_header_acknowledgement

src/proxy/http3/QPACK.cc:1439–1465

}

int
QPACK::_write_header_acknowledgement(uint64_t stream_id)
{
  IOBufferBlock *instruction = new_IOBufferBlock();
  instruction->alloc(TS_IOBUFFER_SIZE_INDEX_128);

  char *buf     = instruction->end();
  char *buf_end = buf + instruction->write_avail();
  int   written = 0;

  // Header Acknowledgement
  buf[0] = 0x80;

  // Stream ID
  int ret;
  if ((ret = xpack_encode_integer(reinterpret_cast<uint8_t *>(buf + written), reinterpret_cast<uint8_t *>(buf_end), stream_id, 7)) <
      0) {
    return ret;
  }
  written += ret;

  // Finalize and Schedule to send
  instruction->fill(written);
  this->_encoder_stream_sending_instructions->append_block(instruction);

  return 0;
}

int
QPACK::_write_stream_cancellation(uint64_t stream_id)