/**
* update entry stats (checking for counter wrap)
*
* @retval 0 : success
* @retval <0 : error
*/
int
netsnmp_access_systemstats_entry_update_stats(netsnmp_systemstats_entry * prev_vals,
netsnmp_systemstats_entry * new_vals)
{
DEBUGMSGTL(("access:systemstats", "check_wrap\n"));
/*
* sanity checks
*/
if ((NULL == prev_vals) || (NULL == new_vals) ||
(prev_vals->index[0] != new_vals->index[0])
|| (prev_vals->index[1] != new_vals->index[1]))
return -1;
/*
* if we've determined that we have 64 bit counters, just copy them.
*/
if (0 == need_wrap_check) {
memcpy(&prev_vals->stats, &new_vals->stats, sizeof(new_vals->stats));
_calculate_entries(prev_vals);
return 0;
}
if (NULL == prev_vals->old_stats) {
/*
* if we don't have old stats, they can't have wrapped, so just copy
*/
prev_vals->old_stats = SNMP_MALLOC_TYPEDEF(netsnmp_ipstats);
if (NULL == prev_vals->old_stats) {
return -2;
}
}
else {
/*
* update straight 32 bit counters
*/
memcpy(&prev_vals->stats.columnAvail[0], &new_vals->stats.columnAvail[0], sizeof(new_vals->stats.columnAvail));
prev_vals->stats.InHdrErrors = new_vals->stats.InHdrErrors;
prev_vals->stats.InAddrErrors = new_vals->stats.InAddrErrors;
prev_vals->stats.InUnknownProtos = new_vals->stats.InUnknownProtos;
prev_vals->stats.InTruncatedPkts = new_vals->stats.InTruncatedPkts;
prev_vals->stats.ReasmReqds = new_vals->stats.ReasmReqds;
prev_vals->stats.ReasmOKs = new_vals->stats.ReasmOKs;
prev_vals->stats.ReasmFails = new_vals->stats.ReasmFails;
prev_vals->stats.InDiscards = new_vals->stats.InDiscards;
/*
* update 64bit counters
*/
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCInNoRoutes,
&new_vals->stats.HCInNoRoutes,
&prev_vals->old_stats->HCInNoRoutes,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCInNoRoutes to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutNoRoutes,
&new_vals->stats.HCOutNoRoutes,
&prev_vals->old_stats->HCOutNoRoutes,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutNoRoutes to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutDiscards,
&new_vals->stats.HCOutDiscards,
&prev_vals->old_stats->HCOutDiscards,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutDiscards to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutFragReqds,
&new_vals->stats.HCOutFragReqds,
&prev_vals->old_stats->HCOutFragReqds,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutFragReqds to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutFragOKs,
&new_vals->stats.HCOutFragOKs,
&prev_vals->old_stats->HCOutFragOKs,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutFragOKs to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutFragFails,
&new_vals->stats.HCOutFragFails,
&prev_vals->old_stats->HCOutFragFails,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutFragFails to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutFragCreates,
&new_vals->stats.HCOutFragCreates,
&prev_vals->old_stats->HCOutFragCreates,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutFragCreates to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCInReceives,
&new_vals->stats.HCInReceives,
&prev_vals->old_stats->HCInReceives,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCInReceives to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCInOctets,
&new_vals->stats.HCInOctets,
&prev_vals->old_stats->HCInOctets,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCInOctets to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCInForwDatagrams,
&new_vals->stats.HCInForwDatagrams,
&prev_vals->old_stats->HCInForwDatagrams,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCInForwDatagrams to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCInDelivers,
&new_vals->stats.HCInDelivers,
&prev_vals->old_stats->HCInDelivers,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCInDelivers to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutRequests,
&new_vals->stats.HCOutRequests,
&prev_vals->old_stats->HCOutRequests,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutRequests to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutForwDatagrams,
&new_vals->stats.HCOutForwDatagrams,
&prev_vals->old_stats->HCOutForwDatagrams,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutForwDatagrams to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutTransmits,
&new_vals->stats.HCOutTransmits,
&prev_vals->old_stats->HCOutTransmits,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutTransmits to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutOctets,
&new_vals->stats.HCOutOctets,
&prev_vals->old_stats->HCOutOctets,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutOctets to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCInMcastPkts,
&new_vals->stats.HCInMcastPkts,
&prev_vals->old_stats->HCInMcastPkts,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCInMcastPkts to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCInMcastOctets,
&new_vals->stats.HCInMcastOctets,
&prev_vals->old_stats->HCInMcastOctets,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCInMcastOctets to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutMcastPkts,
&new_vals->stats.HCOutMcastPkts,
&prev_vals->old_stats->HCOutMcastPkts,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutMcastPkts to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutMcastOctets,
&new_vals->stats.HCOutMcastOctets,
&prev_vals->old_stats->HCOutMcastOctets,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutMcastOctets to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCInBcastPkts,
&new_vals->stats.HCInBcastPkts,
&prev_vals->old_stats->HCInBcastPkts,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCInBcastPkts to 64bits in %s\n",
prev_vals->tableName));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.HCOutBcastPkts,
&new_vals->stats.HCOutBcastPkts,
&prev_vals->old_stats->HCOutBcastPkts,
&need_wrap_check))
NETSNMP_LOGONCE((LOG_ERR,
"Error expanding HCOutBcastPkts to 64bits in %s\n",
prev_vals->tableName));
}
/*
* if we've decided we no longer need to check wraps, free old stats
*/
if (0 == need_wrap_check) {
SNMP_FREE(prev_vals->old_stats);
} else {
/*
* update old stats from new stats.
* careful - old_stats is a pointer to stats...
*/
memcpy(prev_vals->old_stats, &new_vals->stats, sizeof(new_vals->stats));
}
_calculate_entries(prev_vals);
return 0;
}
/**
* update stats
*
* @retval 0 : success
* @retval -1 : error
*/
int
netsnmp_access_interface_entry_update_stats(netsnmp_interface_entry * prev_vals,
netsnmp_interface_entry * new_vals)
{
DEBUGMSGTL(("access:interface", "check_wrap\n"));
/*
* sanity checks
*/
if ((NULL == prev_vals) || (NULL == new_vals) ||
(NULL == prev_vals->name) || (NULL == new_vals->name) ||
(0 != strncmp(prev_vals->name, new_vals->name, strlen(prev_vals->name))))
return -1;
/*
* if we've determined that we have 64 bit counters, just copy them.
*/
if (0 == need_wrap_check) {
memcpy(&prev_vals->stats, &new_vals->stats, sizeof(new_vals->stats));
return 0;
}
if (NULL == prev_vals->old_stats) {
/*
* if we don't have old stats, copy previous stats
*/
prev_vals->old_stats = SNMP_MALLOC_TYPEDEF(netsnmp_interface_stats);
if (NULL == prev_vals->old_stats) {
return -2;
}
memcpy(prev_vals->old_stats, &prev_vals->stats, sizeof(prev_vals->stats));
}
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.ibytes,
&new_vals->stats.ibytes,
&prev_vals->old_stats->ibytes,
&need_wrap_check))
DEBUGMSGTL(("access:interface",
"Error expanding ifHCInOctets to 64bits\n"));
if (new_vals->ns_flags & NETSNMP_INTERFACE_FLAGS_CALCULATE_UCAST) {
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.iall,
&new_vals->stats.iall,
&prev_vals->old_stats->iall,
&need_wrap_check))
DEBUGMSGTL(("access:interface",
"Error expanding packet count to 64bits\n"));
} else {
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.iucast,
&new_vals->stats.iucast,
&prev_vals->old_stats->iucast,
&need_wrap_check))
DEBUGMSGTL(("access:interface",
"Error expanding ifHCInUcastPkts to 64bits\n"));
}
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.iucast,
&new_vals->stats.iucast,
&prev_vals->old_stats->iucast,
&need_wrap_check))
DEBUGMSGTL(("access:interface",
"Error expanding ifHCInUcastPkts to 64bits\n"));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.imcast,
&new_vals->stats.imcast,
&prev_vals->old_stats->imcast,
&need_wrap_check))
DEBUGMSGTL(("access:interface",
"Error expanding ifHCInMulticastPkts to 64bits\n"));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.ibcast,
&new_vals->stats.ibcast,
&prev_vals->old_stats->ibcast,
&need_wrap_check))
DEBUGMSGTL(("access:interface",
"Error expanding ifHCInBroadcastPkts to 64bits\n"));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.obytes,
&new_vals->stats.obytes,
&prev_vals->old_stats->obytes,
&need_wrap_check))
DEBUGMSGTL(("access:interface",
"Error expanding ifHCOutOctets to 64bits\n"));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.oucast,
&new_vals->stats.oucast,
&prev_vals->old_stats->oucast,
&need_wrap_check))
DEBUGMSGTL(("access:interface",
"Error expanding ifHCOutUcastPkts to 64bits\n"));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.omcast,
&new_vals->stats.omcast,
&prev_vals->old_stats->omcast,
&need_wrap_check))
DEBUGMSGTL(("access:interface",
"Error expanding ifHCOutMulticastPkts to 64bits\n"));
if (0 != netsnmp_c64_check32_and_update(&prev_vals->stats.obcast,
&new_vals->stats.obcast,
&prev_vals->old_stats->obcast,
&need_wrap_check))
DEBUGMSGTL(("access:interface",
"Error expanding ifHCOutBroadcastPkts to 64bits\n"));
/*
* Copy 32 bit counters
*/
prev_vals->stats.ierrors = new_vals->stats.ierrors;
prev_vals->stats.idiscards = new_vals->stats.idiscards;
prev_vals->stats.iunknown_protos = new_vals->stats.iunknown_protos;
prev_vals->stats.inucast = new_vals->stats.inucast;
prev_vals->stats.oerrors = new_vals->stats.oerrors;
prev_vals->stats.odiscards = new_vals->stats.odiscards;
prev_vals->stats.oqlen = new_vals->stats.oqlen;
prev_vals->stats.collisions = new_vals->stats.collisions;
prev_vals->stats.onucast = new_vals->stats.onucast;
/*
* if we've decided we no longer need to check wraps, free old stats
*/
if (0 == need_wrap_check) {
SNMP_FREE(prev_vals->old_stats);
}
else {
/*
* update old stats from new stats.
* careful - old_stats is a pointer to stats...
*/
memcpy(prev_vals->old_stats, &new_vals->stats, sizeof(new_vals->stats));
}
return 0;
}
