---

utility.c

Go to the documentation of this file.

#include "utility.h"

#include <string.h>

unsigned long
header_MyGeneric(struct variable * vp,
                 oid             * name,
                 size_t          * length,
                 int               exact,
                 size_t          * var_len,
                 WriteMethod     * *write_method, 
                 int               aEntity) 
{
  oid newname[MAX_OID_LEN];
  unsigned long id=0, nid;
  int ret;

  /*
  oid debug[MAX_OID_LEN];
  unsigned long pos = 0;
  */

  *write_method = 0;
  *var_len = sizeof(long);

  memcpy( (char *)newname,(char *)vp->name, vp->namelen * sizeof(oid));
  ret = snmp_oid_compare(name, *length-1, newname, vp->namelen);
  if(ret > 0 || (exact && ret != 0))
    return 0;

  /*
  print_mib_oid(newname, vp->namelen);
  debug[pos++] = ret;
  print_mib_oid(debug, pos);
  */

  if(exact) {

    id = name[*length - 1];
    ret = findId(aEntity, id);
    if(ret)
      return 0;

  } else {

    if(ret == 0)
      id = name[*length - 1];
    else 
      id = 0;

    ret = getNextId(aEntity, id, &nid);
    if(ret)
      return 0;

    id = nid;
    newname[vp->namelen] = id;

    memcpy( (char *)name,(char *)newname, (vp->namelen + 1) * sizeof(oid));
    *length = vp->namelen + 1;
  }

  return id;
}

unsigned long 
header_resourceInfo(struct variable * vp,
                 oid             * name,
                 size_t          * length,
                 int               exact,
                 size_t          * var_len,
                 WriteMethod     * *write_method)
{
  oid newname[MAX_OID_LEN];
  unsigned long id=0, nid, rid=0;
  int ret, setlowname = 0;

  unsigned long resid, subid;
  oid lowname[MAX_OID_LEN];

  /*
  oid debug[MAX_OID_LEN];
  unsigned long pos = 0;
  */

  *write_method = 0;
  *var_len = sizeof(long);

  memcpy( (char *)newname,(char *)vp->name, vp->namelen * sizeof(oid));

  while(!getNextId(RESORUCEINFO, id, &nid)) {
    id = nid;

    getUnsigned(RESORUCEINFO, RESOURCEINFO_SUBSYSTEMID, id, &subid);
    getUnsigned(RESORUCEINFO, RESOURCEINFO_RESOURCEID, id, &resid);

    newname[vp->namelen] = subid;
    newname[vp->namelen + 1] = resid;

    ret = snmp_oid_compare(name, *length, newname, vp->namelen + 2);
    if(exact && (ret == 0)) {
      rid = id;
      break;
    }
    if(!exact && (ret < 0)) {
      if(!setlowname) {
        memcpy( (char *)lowname,(char *)newname, (vp->namelen + 2) * sizeof(oid));
        setlowname = 1;
        rid = id;
      } 
      else {
        ret = snmp_oid_compare(lowname, vp->namelen + 2, newname, vp->namelen + 3);
        if(ret > 0) {
          memcpy( (char *)lowname,(char *)newname, (vp->namelen + 2) * sizeof(oid));
          rid = id;
        }
      }
    }
  }

  if(!exact) {

    memcpy( (char *)name,(char *)lowname, (vp->namelen + 2) * sizeof(oid));
    *length = vp->namelen + 2;
  }

  return rid;
}


unsigned long 
header_statisticInfo(struct variable * vp,
                 oid             * name,
                 size_t          * length,
                 int               exact,
                 size_t          * var_len,
                 WriteMethod     * *write_method)
{
  oid newname[MAX_OID_LEN];
  unsigned long id=0, nid, rid=0;
  int ret, setlowname = 0;

  unsigned long resid, subid, statid;
  oid lowname[MAX_OID_LEN];

  /*
  oid debug[MAX_OID_LEN];
  unsigned long pos = 0;
  */

  *write_method = 0;
  *var_len = sizeof(long);

  memcpy( (char *)newname,(char *)vp->name, vp->namelen * sizeof(oid));

  while(!getNextId(STATISTICINFO, id, &nid)) {
    id = nid;

    getUnsigned(STATISTICINFO, STATISTICINFO_SUBSYSTEMID, id, &subid);
    getUnsigned(STATISTICINFO, STATISTICINFO_RESOURCEID, id, &resid);
    getUnsigned(STATISTICINFO, STATISTICINFO_ID, id, &statid);

    newname[vp->namelen] = subid;
    newname[vp->namelen + 1] = resid;
    newname[vp->namelen + 2] = statid;

    ret = snmp_oid_compare(name, *length, newname, vp->namelen + 3);
    if(exact && (ret == 0)) {
      rid = id;
      break;
    }
    if(!exact && (ret < 0)) {
      if(!setlowname) {
        memcpy( (char *)lowname,(char *)newname, (vp->namelen + 3) * sizeof(oid));
        setlowname = 1;
        rid = id;
      } 
      else {
        ret = snmp_oid_compare(lowname, vp->namelen + 3, newname, vp->namelen + 3);
        if(ret > 0) {
          memcpy( (char *)lowname,(char *)newname, (vp->namelen + 3) * sizeof(oid));
          rid = id;
        }
      }
    }
  }

  if(!exact) {

    memcpy( (char *)name,(char *)lowname, (vp->namelen + 3) * sizeof(oid));
    *length = vp->namelen + 3;
  }

  return rid;
}



unsigned long
getHigh32(const u_int64_t value)
{
  return (value & 0xFFFFFFFF00000000) >> 32;
}

u_int64_t
setHigh32(const u_int64_t orig, const unsigned long high32)
{
  return (orig & 0x00000000FFFFFFFF) | (( (u_int64_t) high32 & 0x00000000FFFFFFFF) << 32) ;
}


unsigned long
header_writeGeneric(oid * name,
                    size_t name_len,
                    oid * name_prefix,
                    size_t prefix_len,
                    oid * name_suffix,
                    size_t suffix_len,
                    int aEntity,
                    int * createNew)
{
  unsigned long id, nextid, i;
  int ret;
  size_t newlen ;

  oid newname[MAX_OID_LEN];

  *createNew = 0;

  memcpy( (char*) newname, (char*) name_prefix, prefix_len * sizeof(oid) );
  newlen = prefix_len;

  for(i=0; i<suffix_len; i++) {
    newname[newlen++] = name_suffix[i] ;
  }

  ret = snmp_oid_compare(name, name_len-1, newname, newlen);
  if(ret != 0)
    return 0;

  id = name[name_len -1];

  nextid = getNewId(aEntity);

  if(id == nextid) {
    *createNew = 1 ;
    return id;
  }

  ret = findId(aEntity, id);

  if(ret)
    return 0;
  else
    return id;
}

---