Method SimpleOpen

sourcecommon/udp.cpp:177–258

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}
//---------------------------------------------------------------------------
bool TUDP::SimpleOpen(char * local, WORD lport, char * dest, WORD dport)
{
  Error = 0;
  WSAError = 0;

  if( handle || !local || !dest )
  {
    WSAError = MYERROR_UNKNOWNPARAMS;
    Error = 1;
    if( Exceptions ) throw 0;
    return !Error;
  }

  in_addr l;
  l.S_un.S_addr = inet_addr(local);
  if( l.S_un.S_addr==4294967295 ) // host name OR error in IP address
  {
    // try to resolve host name and copy to l
    HOSTENT * hostent = gethostbyname(local);
    if( hostent )
    {
      // hostent->h_name ---> Full local name
      l.S_un = ((in_addr *)hostent->h_addr_list[0])->S_un;
    }
    else
    {
      //l.S_un.S_addr = INADDR_ANY; // ��������� ����� ����� ���� �������
      WSAError = WSAGetLastError();
      Error = 2;
      if( Exceptions ) throw 0;
      return !Error;
    }
  }
  in_addr d;
  d.S_un.S_addr = inet_addr(dest);
  if( d.S_un.S_addr==4294967295 ) // host name OR error in IP address
  {
    // try to resolve host name and copy to d
    HOSTENT * hostent = gethostbyname(dest);
    if( hostent )
    {
      // hostent->h_name ---> Full dest name
      d.S_un = ((in_addr *)hostent->h_addr_list[0])->S_un;
    }
    else
    {
      //d.S_un.S_addr = INADDR_ANY; // ��������� ����� ����� ���� �������
      WSAError = WSAGetLastError();
      Error = 3;
      if( Exceptions ) throw 0;
      return !Error;
    }
  }

  SOCKET h;

  // open a TCP socket
  h = socket(AF_INET, SOCK_DGRAM, 0);