Function TSVConnFdCreate

src/api/InkAPI.cc:5716–5752

static ActionSink a;

TSVConn
TSVConnFdCreate(int fd)
{
  UnixNetVConnection *vc;
  EThread            *t = this_ethread();

  if (unlikely(fd == NO_FD)) {
    return nullptr;
  }

  vc = static_cast<UnixNetVConnection *>(netProcessor.allocate_vc(t));
  if (vc == nullptr) {
    return nullptr;
  }

  // We need to set an Action to handle NET_EVENT_OPEN* events. Since we have a
  // socket already, we don't need to do anything in those events, so we can just
  // sink them. It's better to sink them here, than to make the NetVC code more
  // complex.
  vc->action_ = &a;

  vc->id          = net_next_connection_number();
  vc->submit_time = ink_get_hrtime();
  vc->mutex       = new_ProxyMutex();
  vc->set_is_transparent(false);
  vc->set_context(NetVConnectionContext_t::NET_VCONNECTION_OUT);

  // We should take the nh's lock and vc's lock before we get into the connectUp
  SCOPED_MUTEX_LOCK(lock, get_NetHandler(t)->mutex, t);
  SCOPED_MUTEX_LOCK(lock2, vc->mutex, t);

  if (vc->connectUp(t, fd) != CONNECT_SUCCESS) {
    return nullptr;
  }

  return reinterpret_cast<TSVConn>(vc);
}

TSVIO
TSVConnReadVIOGet(TSVConn connp)