usmstats.c

Snmp（简单网管协议）软件包。

/* usmStats.c: implements the usmStats portion of the SNMP-USER-BASED-SM-MIB */

#include <config.h>

#if HAVE_WINSOCK_H
#include <winsock.h>
#endif

#include "mibincl.h"
#include "util_funcs.h"
#include "../mibII/sysORTable.h"
#include "usmStats.h"

struct variable2 usmStats_variables[] = {
  { USMSTATSUNSUPPORTEDSECLEVELS, ASN_COUNTER, RONLY, var_usmStats, 1, { 1 } },
  { USMSTATSNOTINTIMEWINDOWS,     ASN_COUNTER, RONLY, var_usmStats, 1, { 2 } },
  { USMSTATSUNKNOWNUSERNAMES,     ASN_COUNTER, RONLY, var_usmStats, 1, { 3 } },
  { USMSTATSUNKNOWNENGINEIDS,     ASN_COUNTER, RONLY, var_usmStats, 1, { 4 } },
  { USMSTATSWRONGDIGESTS,         ASN_COUNTER, RONLY, var_usmStats, 1, { 5 } },
  { USMSTATSDECRYPTIONERRORS,     ASN_COUNTER, RONLY, var_usmStats, 1, { 6 } },
};

/* now load this mib into the agents mib table */
oid usmStats_variables_oid[] = {1,3,6,1,6,3,15,1,1};


void init_usmStats (void) {
#ifdef USING_MIBII_SYSORTABLE_MODULE
  static oid reg[] = {1,3,6,1,6,3,15,2,1,1};
  register_sysORTable(reg,10,"The management information definitions for the SNMP User-based Security Model.");
#endif

  REGISTER_MIB("snmpv3/usmStats", usmStats_variables, variable2,
				 usmStats_variables_oid );
}

u_char *
var_usmStats(
    struct variable *vp,
    oid     *name,
    size_t  *length,
    int     exact,
    size_t  *var_len,
    WriteMethod **write_method)
{

  /* variables we may use later */
  static long long_ret;
  int tmagic;

  *write_method = 0;           /* assume it isnt writable for the time being */
  *var_len = sizeof(long_ret); /* assume an integer and change later if not */

  if (header_generic(vp,name,length,exact,var_len,write_method))
      return 0;

  /* this is where we do the value assignments for the mib results. */
  tmagic = vp->magic;
  if ( (tmagic >= 0)
	&& (tmagic <= (STAT_USM_STATS_END - STAT_USM_STATS_START)) )
  {
    long_ret = snmp_get_statistic(tmagic + STAT_USM_STATS_START);
    return (unsigned char *) &long_ret;
  }
  return 0;
}