Method write

src/proxy/hdrs/XPACK.cc:562–585

}

uint32_t
XpackDynamicTableStorage::write(const char *name, uint32_t name_len, const char *value, uint32_t value_len)
{
  // insert_entry should guard against buffer overrun, but rather than overrun
  // our buffer we assert here in case something horrible went wrong.
  ink_release_assert(name_len + value_len <= this->_capacity);
  ink_release_assert(this->_head == this->_capacity - 1 || this->_head + name_len + value_len <= this->_capacity);

  uint32_t offset = (this->_head + 1) % this->_capacity;
  if (name_len > 0) {
    memcpy(this->_data + offset, name, name_len);
  }
  if (value_len > 0) {
    memcpy(this->_data + offset + name_len, value, value_len);
  }

  this->_head = (this->_head + (name_len + value_len)) % this->_capacity;
  if (this->_head > this->_overwrite_threshold) {
    // This is how we wrap back around to the beginning of the buffer.
    this->_head = this->_capacity - 1;
  }

  return offset;
}

bool
XpackDynamicTableStorage::_start_expanding_capacity(uint32_t new_maximum_size)