Function nw_ConnectToServer

networking/networking.cpp:1609–1675

}

void nw_ConnectToServer(SOCKET *socket, network_address *server_addr) {

  // Send out a RNT_REQ_CONN packet, and wait for it to be acked.

  float time_sent_req = 0;
  float first_sent_req = 0;
  static reliable_header conn_header;
  static reliable_header ack_header;
  int bytesin;
  struct timeval timeout;
  *socket = INVALID_SOCKET;

  if (Use_DirectPlay) {
    // We need a session description to do this, so we don't use this function
    return;
  }

  conn_header.type = RNT_REQ_CONN;
  conn_header.seq = INTEL_SHORT((int16_t)CONNECTSEQ);
  conn_header.data_len = 0;

  timeout.tv_sec = 0;
  timeout.tv_usec = 0;

  if ((server_addr->connection_type == NP_TCP) && (!TCP_active)) {
    return;
  }

  Net_connect_sequence = R_NET_SEQUENCE_CONNECTING;

  memset(&ack_header, 0, sizeof(reliable_header));
  bytesin = 0;

  network_address d3_rcv_addr;
  memset(&d3_rcv_addr, 0, sizeof(network_address));

  int ret = nw_SendWithID(NWT_RELIABLE, (uint8_t *)&conn_header, RELIABLE_PACKET_HEADER_ONLY_SIZE, server_addr);
  if (SOCKET_ERROR == ret) {
    mprintf(0, "Unable to send packet in nw_ConnectToServer()! -- %d\n", WSAGetLastError());
    return;
  }

  first_sent_req = timer_GetTime();
  time_sent_req = timer_GetTime();

  // Wait until we get a response from the server or we timeout

  do {
    nw_DoReceiveCallbacks();
    // Now we wait for the connection to be made....
    if (Net_connect_sequence == R_NET_SEQUENCE_CONNECTED) {
      *socket = Net_connect_socket_id;
      return;
    }
    if ((timer_GetTime() - time_sent_req) > 2) {
      mprintf(0, "Resending connect request.\n");
      int ret = nw_SendWithID(NWT_RELIABLE, (uint8_t *)&conn_header, RELIABLE_PACKET_HEADER_ONLY_SIZE, server_addr);
      if (ret != SOCKET_ERROR) {