Method _migrateFromSSL

src/iocore/net/SSLNetVConnection.cc:1996–2036

* Replaces the current SSLNetVConnection with a UnixNetVConnection * Propagates any data in the SSL handShakeBuffer to be processed * by the UnixNetVConnection logic */

 * by the UnixNetVConnection logic
 */
UnixNetVConnection *
SSLNetVConnection::_migrateFromSSL()
{
  EThread    *t         = this_ethread();
  NetHandler *client_nh = get_NetHandler(t);
  ink_assert(client_nh);

  Connection hold_con;
  hold_con.move(this->con);

  // We will leave the SSL object with the original SSLNetVC to be
  // cleaned up.  Only moving the socket and handShakeBuffer
  // So no need to call _prepareMigration

  // Do_io_close will signal the VC to be freed on the original thread
  // Since we moved the con context, the fd will not be closed
  // Go ahead and remove the fd from the original thread's epoll structure, so it is not
  // processed on two threads simultaneously
  this->ep.stop();

  // Create new VC:
  UnixNetVConnection *newvc = static_cast<UnixNetVConnection *>(unix_netProcessor.allocate_vc(t));
  ink_assert(newvc != nullptr);
  if (newvc != nullptr && newvc->populate(hold_con, this->read.vio.cont, nullptr) != EVENT_DONE) {
    newvc->do_io_close();
    Dbg(dbg_ctl_ssl, "Failed to populate unixvc for allow-plain");
    newvc = nullptr;
  }
  if (newvc != nullptr) {
    newvc->attributes = HttpProxyPort::TRANSPORT_DEFAULT;
    newvc->set_is_transparent(this->is_transparent);
    newvc->set_context(get_context());
    newvc->options = this->options;
    Dbg(dbg_ctl_ssl, "Move to unixvc for allow-plain");
    this->_propagateHandShakeBuffer(newvc, t);
  }

  // Do not mark this closed until the end so it does not get freed by the other thread too soon
  this->do_io_close();
  return newvc;
}

ssl_curve_id
SSLNetVConnection::_get_tls_curve() const