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// Internet time

#include "FiveWin.ch"

function Main()

   LOCAL cGetHora, cFecha, cHora, hFecha, wDia, wMes, wAno, wFecha

   // MsgInfo( GetNtpDate( "204.123.2.72" ) )

   cGetHora := GetNtpDate( "204.123.2.72" )

   cHora  := SUBST( cGetHora, 11, 9 )

   ? "hora.: ", cHora

   WDIA   := SUBST( cGetHora,  1,  3 )

   ? CDOW( DATE() )

   WMES   := SUBST( cGetHora,  4,  4 )

   ? CMONTH( DATE() )

   WANO   := SUBST( cGetHora,  20,  5 )

   ? YEAR( DATE() )

   WFECHA := WDIA +"/"+ WMES  +"/"+ WANO

   ? WFECHA

return nil

#pragma BEGINDUMP

#include <hbapi.h>
#include <winsock.h>
#include <time.h>

#define MAXLEN 1024

HB_FUNC( GETNTPDATE )
{
   char * hostname = ( char * ) hb_parc( 1 );
   unsigned char msg[ 48 ] = { 010, 0, 0, 0, 0, 0, 0, 0, 0 };   // the packet we send
   unsigned long buf[ MAXLEN ]; // the buffer we get back
   struct sockaddr_in server_addr;
   int  s;  // socket
   WSADATA wsa;
   struct timeval timeout;
   fd_set fds;
   time_t tmit;
         
   WSAStartup( 0x101, &wsa );    

   s = socket( PF_INET, SOCK_DGRAM, getprotobyname( "udp" )->p_proto );

   memset( &server_addr, 0, sizeof( server_addr ) );
   server_addr.sin_family = AF_INET;
   server_addr.sin_addr.s_addr = inet_addr( hostname );
   server_addr.sin_port = htons( 123 ); // ntp port
   
   sendto( s, msg, sizeof( msg ), 0, ( struct sockaddr * ) &server_addr, sizeof( server_addr ) );
   
   FD_ZERO( &fds );
   FD_SET( s, &fds );
   timeout.tv_sec = 10;
   timeout.tv_usec = 0;
      
   if( select( 0, &fds, NULL, NULL, &timeout ) )
   {      
      recv( s, ( void * ) buf, sizeof( buf ), 0 );

      tmit = ntohl( buf[ 10 ] );
      tmit-= 2208988800U;
   }   
   else
      MessageBox( 0, "can't read", "ok", 0 );      
   
   WSACleanup();

   hb_retc( ctime( &tmit ) );   
}

#pragma ENDDUMP
 

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      oHttp:Open("GET","http://www.horacerta.com.br/index.php?city=sao_paulo",.f.)
 

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   aHrDt := HrDtInternet()

   IF .NOT. ISINTERNET()
      dDataBra := "SEM NET"
   ELSE
      dDataBra := CTOD( aHrDt[1] )
   ENDIF
 

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Function HrDtInternet()

   Local oHttp, ;
         cResp1       := "", ;
         cResp        := "", ;
         cHora      := "", ;
         cData      := ""
   local _oTmr

   DEFINE TIMER _oTmr ;
      INTERVAL 1000 ;
      ACTION SysRefresh()
   ACTIVATE TIMER _oTmr

   IF !IsInternet()
      _oTmr:End()
      Return( {DtoC(Date()), Time()} )
   ENDIF

   Try
      oHttp := CreateObject("winhttp.winhttprequest.5.1")
      oHttp:Open("GET","http://www.horacerta.com.br/index.php?city=sao_paulo",.f.)
      oHttp:Send()
      cResp1 := oHttp:ResponseText()
   Catch
      _oTmr:End()
      Return( {DtoC(Date()), Time()} )
   End Try

   *<input name="mostrador" type="text" size="25" value="19/09/2011 - 01:02:00 PM" />

   cResp     := SubStr( cResp1 , At( '<input name="mostrador"', cResp1 ) )
   cResp     := Substr( cResp    , 1, At( '/>', cResp )-2 )
   cDados    := SubStr( cResp  , At( 'value="', cResp )+7 )
   cData := SubStr( cDados,  1, 10)
   cHora := SubStr( cDados, 14 )

   /*
   If "PM" $ cHora
      cHora := Str(Val(SubStr(cHora,1,2))+12,2)+SubStr(cHora,3,7)
   End
   */

   If "PM" $ cHora .AND. SubStr(cHora,1,2) != "12"
      cHora := Str(Val(SubStr(cHora,1,2))+12,2)+SubStr(cHora,3,7)
   Endif

   wDIA := VAL(SUBSTR( cData, 1, 2 ) )
 
   wMES := VAL(SUBSTR( cData, 4, 2 ) )
   wANO := VAL(SUBSTR( cData, 7, 4 ) )
 
   wHOR := VAL(SUBSTR( cHora, 1, 2 ) )
   wMIN := VAL(SUBSTR( cHora, 4, 2 ) )
   wSEG := VAL(SUBSTR( cHora, 7, 2 ) )

   _oTmr:End()

   * MsgInfo("Data: "+cData+CRLF+"Hora: "+cHora,"Na internet")

Return( {cData, cHora} )