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List active SAP users via RFC calls - C program and RemoteFM



 
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PostPosted: Sat Nov 17, 2007 7:54 pm    Post subject: List active SAP users via RFC calls - C program and RemoteFM Reply with quote
C program
Code:
 
/*
This C program lists the active sap users of a specified SAP instance
by calling an ABAP function module. The program can be placed to
/sapnmt/SID/exe, and can be used just before stopping the system.
*/

#include
#include
#include
#include "saprfc.h"
#include "sapitab.h"
 
main( void )
{
   static RFC_OPTIONS        rfc_opt;
   static RFC_CONNOPT_R3ONLY rfc_connopt_r3only;
   static RFC_PARAMETER      exporting[1];
   static RFC_PARAMETER      importing[1];
   static RFC_TABLE          tables[1];
   RFC_HANDLE                handle;
   RFC_RC                    rc;
   char *                    exception_ptr;
   ITAB_H                    ltab;
   char                      lst[100];
   char *                    lpt;
   int                       line, lnr, len;
 
   rfc_opt.client   = "055";
   rfc_opt.user     = "TEST";
   rfc_opt.language = "E";
   rfc_opt.password = "INITPASS";
   rfc_opt.trace    = 0;
   rfc_opt.mode     = RFC_MODE_R3ONLY;
   rfc_opt.connopt = &rfc_connopt_r3only;
 
   rfc_connopt_r3only.hostname = "nti68mto";
   rfc_connopt_r3only.sysnr = 9;
 
   ltab    = ItCreate( "BARMI", 100, 0, 0 );
 
   importing[0].name = NULL;
   exporting[0].name = NULL;
   tables[0].name = "A";
   tables[0].nlen = 1;
   tables[0].type = TYPC;
   tables[0].ithandle = ltab;
   tables[0].leng = 100;
 
   handle = RfcOpen( &rfc_opt );
   if( handle == RFC_HANDLE_NULL )
   {
        return 1;
   }
   rc = RfcCallReceive( handle,
                        "Z_TST",
                        exporting,
                        importing,
                        tables,
                        &exception_ptr );
   RfcClose( handle );
   if (rc) return 1;
 
   lnr = ItFill( ltab );
   for ( line=1; line <= lnr; line++)
   {
     lpt = (char *) ItGetLine( ltab, line );
     len = ab_csize( lpt, 100 );
     memcpy( lst, (char *) ItGetLine( ltab, line ), len);
     lst[len] = '\0';
     fprintf( stdout, "%s\n", lst );
   }
   return 0;
}


Server remote function module
Code:

* This function module can be called from a C program to list the
* active users of the system. The structure ZTEST has to be created
* by se11.
*
FUNCTION Z_TST.
*"----------------------------------------------------------------------
*"*"Local interface:
*"       TABLES
*"              A STRUCTURE  ZTEST
*"----------------------------------------------------------------------
DATA: OPCODE TYPE X VALUE 2.
DATA: BEGIN OF USR_TABL OCCURS 10.
          INCLUDE STRUCTURE UINFO.
DATA: END OF USR_TABL.
CALL 'ThUsrInfo' ID 'OPCODE' FIELD OPCODE
    ID 'TAB' FIELD USR_TABL-*SYS*.
A-A = 'CLIENT  USER   LAST_ACCESS_TIME  EXT_SESS INT_SESS'.
APPEND A.
CLEAR A.
  LOOP AT USR_TABL.
    A-A+1(3) = USR_TABL-MANDT.
    A-A+8(12) = USR_TABL-BNAME.
    A-A+21(8) = USR_TABL-ZEIT.
    A-A+37(1) = USR_TABL-EXTMODI.
    A-A+46(1) = USR_TABL-INTMODI.
    APPEND A.
  ENDLOOP.
ENDFUNCTION.
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