Method ServerLink

src/clientbase/ServerLink.cpp:99–397

ServerLink::ServerLink(const std::string& serverName,
                       const Address& serverAddress, int port)
  : state(SocketError) // assume failure
  , fd(-1)             // assume failure
  , udpLength(0)
  , oldNeedForSpeed(false)
  , previousFill(0)
  , joinAddress(serverAddress)
  , joinServer(serverName)
  , joinPort(port) {
  int i;

  struct protoent* p;
#if defined(_WIN32)
  BOOL off = FALSE;
#else
  int off = 0;
#endif

  // standard server has no special abilities;
  server_abilities = Nothing;

  // queue is empty

  urecvfd = -1;

  ulinkup = false;

  // initialize version to a bogus number
  strcpy(version, "BZFS0000");

  // open connection to server.  first connect to given port.
  // don't wait too long.
  int query = (int)socket(AF_INET, SOCK_STREAM, 0);
  if (query < 0) { return; }

  struct sockaddr_in addr;
  addr.sin_family = AF_INET;
  addr.sin_port = htons(port);
  addr.sin_addr = serverAddress;

  UDEBUG("Remote %s\n", inet_ntoa(addr.sin_addr));

  // for UDP, used later
  memcpy((unsigned char*)&usendaddr, (unsigned char*)&addr, sizeof(addr));

  bool okay = true;
  int fdMax = query;
  struct timeval timeout;
  fd_set write_set;
  fd_set read_set;
  int nfound;

#if !defined(_WIN32)
  // for standard BSD sockets

  // Open a connection.
  // we are blocking at this point so we will wait till we connect, or error