catch.c

wm PNE 3.3 source code, running at more than vxworks6.x version.

/* $Header: /usr/cvsroot/target/src/wrn/wm/demo/unxagent/sun/catch.c,v 1.1.1.1 2001/11/05 17:49:16 tneale Exp $ */

/*
 * Copyright (C) 1999-2005 Wind River Systems, Inc.
 * All rights reserved.  Provided under license only.
 * Distribution or other use of this software is only
 * permitted pursuant to the terms of a license agreement
 * from Wind River Systems (and is otherwise prohibited).
 * Refer to that license agreement for terms of use.
 */


/****************************************************************************
 *  Copyright 1988-1997 Epilogue Technology Corporation.
 *  Copyright 1998 Integrated Systems, Inc.
 *  All rights reserved.
 ****************************************************************************/

/*
 * $Log: catch.c,v $
 * Revision 1.1.1.1  2001/11/05 17:49:16  tneale
 * Tornado shuffle
 *
 * Revision 7.6  2001/01/19 22:25:00  paul
 * Update copyright.
 *
 * Revision 7.5  2000/03/17 00:15:14  meister
 * Update copyright message
 *
 * Revision 7.4  1998/02/25 04:58:17  sra
 * Update copyrights.
 *
 * Revision 7.3  1997/03/20 06:54:05  sra
 * DFARS-safe copyright text.  Zap!
 *
 * Revision 7.2  1997/02/25 10:58:16  sra
 * Update copyright notice, dust under the bed.
 *
 * Revision 7.1  1997/01/08 23:01:49  sar
 * Updated copyright and modified include files to use envoy/h as
 * appropriate
 *
 * Revision 7.0  1996/03/15  22:07:57  sar
 * Updated revision to 7.0 and copyright to 96
 *
 * Revision 6.0  1995/05/31  21:49:41  sra
 * Release 6.0.
 *
 * Revision 5.0  1994/05/16  16:20:43  sar
 * Updated revision to 5.0 and copyright to include 1994
 *
 * Revision 4.0  1993/06/24  17:34:02  sar
 * Updated rev to 4.0 copyright to 93
 *
 * Revision 3.0  1992/04/03  19:53:44  dab
 * Release 3.0
 *
 * Revision 2.100  92/02/03  16:46:04  dab
 * Generic unix SNMP agent.
 * 
 * 
 *    Rev 2.0   31 Mar 1990 15:34:18
 * Initial revision.
 * 
*/

/* [clearcase]
modification history
-------------------
01a,19apr05,job  update copyright notices
*/



#include <stdio.h>
/*#include <stdlib.h>*/
#include <memory.h>

#define then
#define LSIZE 512

char buff[LSIZE];

#define MAX_TTY		8
#define MAX_CLINE	48
typedef struct psdata_s
	{
	struct psdata_s *link;		
	unsigned int	pid;
	unsigned int	ppid;
	unsigned int	uid;
	unsigned int	memsz;
	unsigned int	cputime;
	char		tty[MAX_TTY];
	char		cmdline[MAX_CLINE];
	} psdata_t;

#define PS_DTA_NULL (psdata_t *)0
psdata_t *ps_base = PS_DTA_NULL;
psdata_t *ps_last = PS_DTA_NULL;

main(argc, argv)
     int argc; char **argv;
{
FILE *fp;
int   index;
psdata_t *curps;

if ((fp = popen("ps -elf", "r")) == (FILE *)0)
   then {
        perror("Can't run ps");
	exit(1);
        }

for(index = 0; ; index++)
  {
  int	bytes_got;
  int	fields_got;
  unsigned int hours, minutes;

  if (fgets(buff, LSIZE, fp) == (char *)0) then break;

  if (index == 0) then continue;

  bytes_got = strlen(buff);
/*  printf("I got %d: %s", bytes_got, buff);*/
  buff[bytes_got-1] = '\0';	/* Remove the trailing newline */
  if ((curps = (psdata_t *)malloc(sizeof(psdata_t))) == PS_DTA_NULL)
     then {
	  perror("Can not allocate memory to hold ps");
	  exit(1);
	  }
  (void)memset((char *)curps, 0, sizeof(psdata_t));

/*      F UID   PID  PPID CP PRI NI  SZ  RSS WCHAN    STAT TT  TIME COMMAND	 */
/*   80011002   155   152  0   1  0 120  552 select   I    co  0:01 sunview -patt*/
/* The WCHAN field is sometimes blank */

  fields_got =
/*	 sscanf(buff, "%*7c%4u %u %u %*u %*u %*u %u %*u %*9c %*s %3s %2u%*1c%2u %48c",*/
	 sscanf(buff, "%*7c%4u %u %u %*u %*u %*u %u %*u%*9c %*s %3s %2u%*1c%2u %48c",
	     &(curps->uid), &(curps->pid), &(curps->ppid),
	     &(curps->memsz), curps->tty, &hours, &minutes,
	     curps->cmdline);
  if (fields_got != 8)
     then {
#if 0
	  printf("Skipping unusable ps record\n");
  printf("got %d uid=%u  pid=%u  ppid=%u  memsz=%u  cpu=%u:%2.2u tty=%s cmd=%s#\n",
	 fields_got,
	     curps->uid, curps->pid, curps->ppid,
	     curps->memsz, hours, minutes,
	     curps->tty, curps->cmdline);
#endif
	  continue;
	  }

  curps->cputime = hours * 60 + minutes;
  curps->link = PS_DTA_NULL;
  if (ps_base == PS_DTA_NULL)
     then {
	  ps_base = curps;
	  ps_last = curps;
	  }
     else {
	  ps_last->link = curps;
	  ps_last = curps;
	  }
  }
(void)pclose(fp);

for (index = 1, curps = ps_base;
     curps != PS_DTA_NULL;
     index++, curps = curps->link)
   {
  printf("index %d uid=%u  pid=%u  ppid=%u  memsz=%u  cpu=%u tty=%s cmd=%s#\n",
	 index,
	     curps->uid, curps->pid, curps->ppid,
	     curps->memsz, curps->cputime,
	     curps->tty, curps->cmdline);
   }

}