Exemple #1
0
bool Socket::connect(std::string url, int port)
{
  int err;
  if(isalpha(url[0]))
    url = SocketSystem().getIpFromName(url);
  SOCKADDR_IN tcpAddr;
  tcpAddr.sin_family = AF_INET;
  tcpAddr.sin_addr.s_addr = inet_addr(url.c_str());
  tcpAddr.sin_port = htons(port);
  err = ::connect(s_, (sockaddr*)&tcpAddr, sizeof(tcpAddr));
  if(err == SOCKET_ERROR)
    return false;
  return true;
}
Exemple #2
0
bool Socket::connect(std::string url, int port, bool throwError, size_t MaxTries)
{
  try {
    if(isalpha(url[0]))
      url = SocketSystem().getIpFromName(url);
  }
  catch(...)
  {
    if(throwError)
      throw std::exception(ss_.GetLastMsg(true).c_str());
    return false;
  }
  SOCKADDR_IN tcpAddr;
  tcpAddr.sin_family = AF_INET;
  tcpAddr.sin_addr.s_addr = inet_addr(url.c_str());
  tcpAddr.sin_port = htons(port);
  if(s_ == INVALID_SOCKET)
  {
    s_ = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
  }
  size_t tryCount = 0;
  std::string countStr;
  while(true)
  {
    ++tryCount;
    TRACE("attempt to connect #" + IntToString(tryCount));
    int err = ::connect(s_, (sockaddr*)&tcpAddr, sizeof(tcpAddr));
     //std::string rip = System().getRemoteIP(this);
    int rport = System().getRemotePort(this);

    // error return from connect does not appear to be reliable
  
    if(err != SOCKET_ERROR && rport != -1)
      break;
    if(tryCount >= MaxTries)
    {
      if(throwError)
        throw std::exception(ss_.GetLastMsg(true).c_str());
      return false;
    }
    ::Sleep(100);
  }
  
  TRACE("I believe we are connected to " + url);
  return true;
}