message: torcontrol: Resolve Tor control plane address
diff: @@ -132,28 +132,35 @@ void TorControlConnection::eventcb(struct bufferevent *bev, short what, void *ct
  bool TorControlConnection::Connect(const std::string& tor_control_center, const ConnectionCB& _connected, const ConnectionCB& _disconnected)
  {
  - if (b_conn)
  + if (b_conn) {
  Disconnect();
  - // Parse tor_control_center address:port
  - struct sockaddr_storage connect_to_addr;
  - int connect_to_addrlen = sizeof(connect_to_addr);
  - if (evutil_parse_sockaddr_port(tor_control_center.c_str(),
  - (struct sockaddr*)&connect_to_addr, &connect_to_addrlen)<0) {
  + }
  +
  + CService control_service;
  + if (!Lookup(tor_control_center, control_service, 9051, fNameLookup)) {
  + LogPrintf("tor: Failed to look up control center %s\n", tor_control_center);
  + return false;
  + }
  +
  + struct sockaddr_storage control_address;
  + socklen_t control_address_len = sizeof(control_address);
  + if (!control_service.GetSockAddr(reinterpret_cast<struct sockaddr*>(&control_address), &control_address_len)) {
  LogPrintf("tor: Error parsing socket address %s\n", tor_control_center);
  return false;
  }
  // Create a new socket, set up callbacks and enable notification bits
  b_conn = bufferevent_socket_new(base, -1, BEV_OPT_CLOSE_ON_FREE);
  - if (!b_conn)
  + if (!b_conn) {
  return false;
  + }
  bufferevent_setcb(b_conn, TorControlConnection::readcb, nullptr, TorControlConnection::eventcb, this);
  bufferevent_enable(b_conn, EV_READ|EV_WRITE);
  this->connected = _connected;
  this->disconnected = _disconnected;
  // Finally, connect to tor_control_center
  - if (bufferevent_socket_connect(b_conn, (struct sockaddr*)&connect_to_addr, connect_to_addrlen) < 0) {
  + if (bufferevent_socket_connect(b_conn, reinterpret_cast<struct sockaddr*>(&control_address), control_address_len) < 0) {
  LogPrintf("tor: Error connecting to address %s\n", tor_control_center);
  return false;
  }
  