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#include "dnsdist-snmp.hh"
#include "dolog.hh"
bool g_snmpEnabled{false};
bool g_snmpTrapsEnabled{false};
DNSDistSNMPAgent* g_snmpAgent{nullptr};
#ifdef HAVE_NET_SNMP
#define DNSDIST_OID 1, 3, 6, 1, 4, 1, 43315, 3
#define DNSDIST_STATS_OID DNSDIST_OID, 1
#define DNSDIST_STATS_TABLE_OID DNSDIST_OID, 2
#define DNSDIST_TRAPS_OID DNSDIST_OID, 10, 0
#define DNSDIST_TRAP_OBJECTS_OID DNSDIST_OID, 11
static const oid queriesOID[] = { DNSDIST_STATS_OID, 1 };
static const oid responsesOID[] = { DNSDIST_STATS_OID, 2 };
static const oid servfailResponsesOID[] = { DNSDIST_STATS_OID, 3 };
static const oid aclDropsOID[] = { DNSDIST_STATS_OID, 4 };
// 5 was BlockFilter, removed in 1.2.0
static const oid ruleDropOID[] = { DNSDIST_STATS_OID, 6 };
static const oid ruleNXDomainOID[] = { DNSDIST_STATS_OID, 7 };
static const oid ruleRefusedOID[] = { DNSDIST_STATS_OID, 8 };
static const oid selfAnsweredOID[] = { DNSDIST_STATS_OID, 9 };
static const oid downstreamTimeoutsOID[] = { DNSDIST_STATS_OID, 10 };
static const oid downstreamSendErrorsOID[] = { DNSDIST_STATS_OID, 11 };
static const oid truncFailOID[] = { DNSDIST_STATS_OID, 12 };
static const oid noPolicyOID[] = { DNSDIST_STATS_OID, 13 };
static const oid latency0_1OID[] = { DNSDIST_STATS_OID, 14 };
static const oid latency1_10OID[] = { DNSDIST_STATS_OID, 15 };
static const oid latency10_50OID[] = { DNSDIST_STATS_OID, 16 };
static const oid latency50_100OID[] = { DNSDIST_STATS_OID, 17 };
static const oid latency100_1000OID[] = { DNSDIST_STATS_OID, 18 };
static const oid latencySlowOID[] = { DNSDIST_STATS_OID, 19 };
static const oid latencyAvg100OID[] = { DNSDIST_STATS_OID, 20 };
static const oid latencyAvg1000OID[] = { DNSDIST_STATS_OID, 21 };
static const oid latencyAvg10000OID[] = { DNSDIST_STATS_OID, 22 };
static const oid latencyAvg1000000OID[] = { DNSDIST_STATS_OID, 23 };
static const oid uptimeOID[] = { DNSDIST_STATS_OID, 24 };
static const oid realMemoryUsageOID[] = { DNSDIST_STATS_OID, 25 };
static const oid nonCompliantQueriesOID[] = { DNSDIST_STATS_OID, 26 };
static const oid nonCompliantResponsesOID[] = { DNSDIST_STATS_OID, 27 };
static const oid rdQueriesOID[] = { DNSDIST_STATS_OID, 28 };
static const oid emptyQueriesOID[] = { DNSDIST_STATS_OID, 29 };
static const oid cacheHitsOID[] = { DNSDIST_STATS_OID, 30 };
static const oid cacheMissesOID[] = { DNSDIST_STATS_OID, 31 };
static const oid cpuUserMSecOID[] = { DNSDIST_STATS_OID, 32 };
static const oid cpuSysMSecOID[] = { DNSDIST_STATS_OID, 33 };
static const oid fdUsageOID[] = { DNSDIST_STATS_OID, 34 };
static const oid dynBlockedOID[] = { DNSDIST_STATS_OID, 35 };
static const oid dynBlockedNMGSizeOID[] = { DNSDIST_STATS_OID, 36 };
static const oid ruleServFailOID[] = { DNSDIST_STATS_OID, 37 };
static const oid securityStatusOID[] = { DNSDIST_STATS_OID, 38 };
static const oid specialMemoryUsageOID[] = { DNSDIST_STATS_OID, 39 };
static const oid ruleTruncatedOID[] = { DNSDIST_STATS_OID, 40 };
static std::unordered_map<oid, DNSDistStats::entry_t> s_statsMap;
/* We are never called for a GETNEXT if it's registered as a
"instance", as it's "magically" handled for us. */
/* a instance handler also only hands us one request at a time, so
we don't need to loop over a list of requests; we'll only get one. */
static int handleCounter64Stats(netsnmp_mib_handler* handler,
netsnmp_handler_registration* reginfo,
netsnmp_agent_request_info* reqinfo,
netsnmp_request_info* requests)
{
if (reqinfo->mode != MODE_GET) {
return SNMP_ERR_GENERR;
}
if (reginfo->rootoid_len != OID_LENGTH(queriesOID) + 1) {
return SNMP_ERR_GENERR;
}
const auto& it = s_statsMap.find(reginfo->rootoid[reginfo->rootoid_len - 2]);
if (it == s_statsMap.end()) {
return SNMP_ERR_GENERR;
}
if (const auto& val = boost::get<pdns::stat_t*>(&it->second)) {
return DNSDistSNMPAgent::setCounter64Value(requests, (*val)->load());
}
return SNMP_ERR_GENERR;
}
static void registerCounter64Stat(const char* name, const oid statOID[], size_t statOIDLength, pdns::stat_t* ptr)
{
if (statOIDLength != OID_LENGTH(queriesOID)) {
errlog("Invalid OID for SNMP Counter64 statistic %s", name);
return;
}
if (s_statsMap.find(statOID[statOIDLength - 1]) != s_statsMap.end()) {
errlog("OID for SNMP Counter64 statistic %s has already been registered", name);
return;
}
s_statsMap[statOID[statOIDLength - 1]] = ptr;
netsnmp_register_scalar(netsnmp_create_handler_registration(name,
handleCounter64Stats,
statOID,
statOIDLength,
HANDLER_CAN_RONLY));
}
static int handleFloatStats(netsnmp_mib_handler* handler,
netsnmp_handler_registration* reginfo,
netsnmp_agent_request_info* reqinfo,
netsnmp_request_info* requests)
{
if (reqinfo->mode != MODE_GET) {
return SNMP_ERR_GENERR;
}
if (reginfo->rootoid_len != OID_LENGTH(queriesOID) + 1) {
return SNMP_ERR_GENERR;
}
const auto& it = s_statsMap.find(reginfo->rootoid[reginfo->rootoid_len - 2]);
if (it == s_statsMap.end()) {
return SNMP_ERR_GENERR;
}
if (const auto& val = boost::get<double*>(&it->second)) {
std::string str(std::to_string(**val));
snmp_set_var_typed_value(requests->requestvb,
ASN_OCTET_STR,
str.c_str(),
str.size());
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
static void registerFloatStat(const char* name, const oid statOID[], size_t statOIDLength, double* ptr)
{
if (statOIDLength != OID_LENGTH(queriesOID)) {
errlog("Invalid OID for SNMP Float statistic %s", name);
return;
}
if (s_statsMap.find(statOID[statOIDLength - 1]) != s_statsMap.end()) {
errlog("OID for SNMP Float statistic %s has already been registered", name);
return;
}
s_statsMap[statOID[statOIDLength - 1]] = ptr;
netsnmp_register_scalar(netsnmp_create_handler_registration(name,
handleFloatStats,
statOID,
statOIDLength,
HANDLER_CAN_RONLY));
}
static int handleGauge64Stats(netsnmp_mib_handler* handler,
netsnmp_handler_registration* reginfo,
netsnmp_agent_request_info* reqinfo,
netsnmp_request_info* requests)
{
if (reqinfo->mode != MODE_GET) {
return SNMP_ERR_GENERR;
}
if (reginfo->rootoid_len != OID_LENGTH(queriesOID) + 1) {
return SNMP_ERR_GENERR;
}
const auto& it = s_statsMap.find(reginfo->rootoid[reginfo->rootoid_len - 2]);
if (it == s_statsMap.end()) {
return SNMP_ERR_GENERR;
}
std::string str;
uint64_t value = (*boost::get<DNSDistStats::statfunction_t>(&it->second))(str);
return DNSDistSNMPAgent::setCounter64Value(requests, value);
}
static void registerGauge64Stat(const char* name, const oid statOID[], size_t statOIDLength, DNSDistStats::statfunction_t ptr)
{
if (statOIDLength != OID_LENGTH(queriesOID)) {
errlog("Invalid OID for SNMP Gauge64 statistic %s", name);
return;
}
if (s_statsMap.find(statOID[statOIDLength - 1]) != s_statsMap.end()) {
errlog("OID for SNMP Gauge64 statistic %s has already been registered", name);
return;
}
s_statsMap[statOID[statOIDLength - 1]] = ptr;
netsnmp_register_scalar(netsnmp_create_handler_registration(name,
handleGauge64Stats,
statOID,
statOIDLength,
HANDLER_CAN_RONLY));
}
/* column number definitions for table backendStatTable */
#define COLUMN_BACKENDID 1
#define COLUMN_BACKENDNAME 2
#define COLUMN_BACKENDLATENCY 3
#define COLUMN_BACKENDWEIGHT 4
#define COLUMN_BACKENDOUTSTANDING 5
#define COLUMN_BACKENDQPSLIMIT 6
#define COLUMN_BACKENDREUSED 7
#define COLUMN_BACKENDSTATE 8
#define COLUMN_BACKENDADDRESS 9
#define COLUMN_BACKENDPOOLS 10
#define COLUMN_BACKENDQPS 11
#define COLUMN_BACKENDQUERIES 12
#define COLUMN_BACKENDORDER 13
static const oid backendStatTableOID[] = { DNSDIST_STATS_TABLE_OID };
static const oid backendNameOID[] = { DNSDIST_STATS_TABLE_OID, 1, 2 };
static const oid backendStateOID[] = { DNSDIST_STATS_TABLE_OID, 1, 8};
static const oid backendAddressOID[] = { DNSDIST_STATS_TABLE_OID, 1, 9};
static const oid socketFamilyOID[] = { DNSDIST_TRAP_OBJECTS_OID, 1, 0 };
static const oid socketProtocolOID[] = { DNSDIST_TRAP_OBJECTS_OID, 2, 0 };
static const oid fromAddressOID[] = { DNSDIST_TRAP_OBJECTS_OID, 3, 0 };
static const oid toAddressOID[] = { DNSDIST_TRAP_OBJECTS_OID, 4, 0 };
static const oid queryTypeOID[] = { DNSDIST_TRAP_OBJECTS_OID, 5, 0 };
static const oid querySizeOID[] = { DNSDIST_TRAP_OBJECTS_OID, 6, 0 };
static const oid queryIDOID[] = { DNSDIST_TRAP_OBJECTS_OID, 7, 0 };
static const oid qNameOID[] = { DNSDIST_TRAP_OBJECTS_OID, 8, 0 };
static const oid qClassOID[] = { DNSDIST_TRAP_OBJECTS_OID, 9, 0 };
static const oid qTypeOID[] = { DNSDIST_TRAP_OBJECTS_OID, 10, 0 };
static const oid trapReasonOID[] = { DNSDIST_TRAP_OBJECTS_OID, 11, 0 };
static const oid backendStatusChangeTrapOID[] = { DNSDIST_TRAPS_OID, 1 };
static const oid actionTrapOID[] = { DNSDIST_TRAPS_OID, 2 };
static const oid customTrapOID[] = { DNSDIST_TRAPS_OID, 3 };
static servers_t s_servers;
static size_t s_currentServerIdx = 0;
static netsnmp_variable_list* backendStatTable_get_next_data_point(void** loop_context,
void** my_data_context,
netsnmp_variable_list* put_index_data,
netsnmp_iterator_info* mydata)
{
if (s_currentServerIdx >= s_servers.size()) {
return NULL;
}
*my_data_context = (void*) (s_servers[s_currentServerIdx]).get();
snmp_set_var_typed_integer(put_index_data, ASN_UNSIGNED, s_currentServerIdx);
s_currentServerIdx++;
return put_index_data;
}
static netsnmp_variable_list* backendStatTable_get_first_data_point(void** loop_context,
void** data_context,
netsnmp_variable_list* put_index_data,
netsnmp_iterator_info* data)
{
s_currentServerIdx = 0;
/* get a copy of the shared_ptrs so they are not
destroyed while we process the request */
auto dstates = g_dstates.getLocal();
s_servers.clear();
s_servers.reserve(dstates->size());
for (const auto& server : *dstates) {
s_servers.push_back(server);
}
return backendStatTable_get_next_data_point(loop_context,
data_context,
put_index_data,
data);
}
static int backendStatTable_handler(netsnmp_mib_handler* handler,
netsnmp_handler_registration* reginfo,
netsnmp_agent_request_info* reqinfo,
netsnmp_request_info* requests)
{
netsnmp_request_info* request;
switch (reqinfo->mode) {
case MODE_GET:
for (request = requests; request; request = request->next) {
netsnmp_table_request_info* table_info = netsnmp_extract_table_info(request);
const DownstreamState* server = (const DownstreamState*) netsnmp_extract_iterator_context(request);
if (!server) {
continue;
}
switch (table_info->colnum) {
case COLUMN_BACKENDNAME:
snmp_set_var_typed_value(request->requestvb,
ASN_OCTET_STR,
server->getName().c_str(),
server->getName().size());
break;
case COLUMN_BACKENDLATENCY:
DNSDistSNMPAgent::setCounter64Value(request,
server->latencyUsec/1000.0);
break;
case COLUMN_BACKENDWEIGHT:
DNSDistSNMPAgent::setCounter64Value(request,
server->weight);
break;
case COLUMN_BACKENDOUTSTANDING:
DNSDistSNMPAgent::setCounter64Value(request,
server->outstanding.load());
break;
case COLUMN_BACKENDQPSLIMIT:
DNSDistSNMPAgent::setCounter64Value(request,
server->qps.getRate());
break;
case COLUMN_BACKENDREUSED:
DNSDistSNMPAgent::setCounter64Value(request, server->reuseds.load());
break;
case COLUMN_BACKENDSTATE:
{
std::string state(server->getStatus());
snmp_set_var_typed_value(request->requestvb,
ASN_OCTET_STR,
state.c_str(),
state.size());
break;
}
case COLUMN_BACKENDADDRESS:
{
std::string addr(server->remote.toStringWithPort());
snmp_set_var_typed_value(request->requestvb,
ASN_OCTET_STR,
addr.c_str(),
addr.size());
break;
}
case COLUMN_BACKENDPOOLS:
{
std::string pools;
for(auto& p : server->pools) {
if(!pools.empty())
pools+=" ";
pools+=p;
}
snmp_set_var_typed_value(request->requestvb,
ASN_OCTET_STR,
pools.c_str(),
pools.size());
break;
}
case COLUMN_BACKENDQPS:
DNSDistSNMPAgent::setCounter64Value(request, server->queryLoad.load());
break;
case COLUMN_BACKENDQUERIES:
DNSDistSNMPAgent::setCounter64Value(request, server->queries.load());
break;
case COLUMN_BACKENDORDER:
DNSDistSNMPAgent::setCounter64Value(request, server->order);
break;
default:
netsnmp_set_request_error(reqinfo,
request,
SNMP_NOSUCHOBJECT);
break;
}
}
break;
}
return SNMP_ERR_NOERROR;
}
#endif /* HAVE_NET_SNMP */
bool DNSDistSNMPAgent::sendBackendStatusChangeTrap(const std::shared_ptr<DownstreamState>& dss)
{
#ifdef HAVE_NET_SNMP
const string backendAddress = dss->remote.toStringWithPort();
const string backendStatus = dss->getStatus();
netsnmp_variable_list* varList = nullptr;
snmp_varlist_add_variable(&varList,
snmpTrapOID,
snmpTrapOIDLen,
ASN_OBJECT_ID,
backendStatusChangeTrapOID,
OID_LENGTH(backendStatusChangeTrapOID) * sizeof(oid));
snmp_varlist_add_variable(&varList,
backendNameOID,
OID_LENGTH(backendNameOID),
ASN_OCTET_STR,
dss->getName().c_str(),
dss->getName().size());
snmp_varlist_add_variable(&varList,
backendAddressOID,
OID_LENGTH(backendAddressOID),
ASN_OCTET_STR,
backendAddress.c_str(),
backendAddress.size());
snmp_varlist_add_variable(&varList,
backendStateOID,
OID_LENGTH(backendStateOID),
ASN_OCTET_STR,
backendStatus.c_str(),
backendStatus.size());
return sendTrap(d_trapPipe[1], varList);
#else
return true;
#endif /* HAVE_NET_SNMP */
}
bool DNSDistSNMPAgent::sendCustomTrap(const std::string& reason)
{
#ifdef HAVE_NET_SNMP
netsnmp_variable_list* varList = nullptr;
snmp_varlist_add_variable(&varList,
snmpTrapOID,
snmpTrapOIDLen,
ASN_OBJECT_ID,
customTrapOID,
OID_LENGTH(customTrapOID) * sizeof(oid));
snmp_varlist_add_variable(&varList,
trapReasonOID,
OID_LENGTH(trapReasonOID),
ASN_OCTET_STR,
reason.c_str(),
reason.size());
return sendTrap(d_trapPipe[1], varList);
#else
return true;
#endif /* HAVE_NET_SNMP */
}
bool DNSDistSNMPAgent::sendDNSTrap(const DNSQuestion& dq, const std::string& reason)
{
#ifdef HAVE_NET_SNMP
std::string local = dq.local->toString();
std::string remote = dq.remote->toString();
std::string qname = dq.qname->toStringNoDot();
const uint32_t socketFamily = dq.remote->isIPv4() ? 1 : 2;
const uint32_t socketProtocol = dq.overTCP() ? 2 : 1;
const uint32_t queryType = dq.getHeader()->qr ? 2 : 1;
const uint32_t querySize = (uint32_t) dq.getData().size();
const uint32_t queryID = (uint32_t) ntohs(dq.getHeader()->id);
const uint32_t qType = (uint32_t) dq.qtype;
const uint32_t qClass = (uint32_t) dq.qclass;
netsnmp_variable_list* varList = nullptr;
snmp_varlist_add_variable(&varList,
snmpTrapOID,
snmpTrapOIDLen,
ASN_OBJECT_ID,
actionTrapOID,
OID_LENGTH(actionTrapOID) * sizeof(oid));
snmp_varlist_add_variable(&varList,
socketFamilyOID,
OID_LENGTH(socketFamilyOID),
ASN_INTEGER,
reinterpret_cast<const u_char*>(&socketFamily),
sizeof(socketFamily));
snmp_varlist_add_variable(&varList,
socketProtocolOID,
OID_LENGTH(socketProtocolOID),
ASN_INTEGER,
reinterpret_cast<const u_char*>(&socketProtocol),
sizeof(socketProtocol));
snmp_varlist_add_variable(&varList,
fromAddressOID,
OID_LENGTH(fromAddressOID),
ASN_OCTET_STR,
remote.c_str(),
remote.size());
snmp_varlist_add_variable(&varList,
toAddressOID,
OID_LENGTH(toAddressOID),
ASN_OCTET_STR,
local.c_str(),
local.size());
snmp_varlist_add_variable(&varList,
queryTypeOID,
OID_LENGTH(queryTypeOID),
ASN_INTEGER,
reinterpret_cast<const u_char*>(&queryType),
sizeof(queryType));
snmp_varlist_add_variable(&varList,
querySizeOID,
OID_LENGTH(querySizeOID),
ASN_UNSIGNED,
reinterpret_cast<const u_char*>(&querySize),
sizeof(querySize));
snmp_varlist_add_variable(&varList,
queryIDOID,
OID_LENGTH(queryIDOID),
ASN_UNSIGNED,
reinterpret_cast<const u_char*>(&queryID),
sizeof(queryID));
snmp_varlist_add_variable(&varList,
qNameOID,
OID_LENGTH(qNameOID),
ASN_OCTET_STR,
qname.c_str(),
qname.size());
snmp_varlist_add_variable(&varList,
qClassOID,
OID_LENGTH(qClassOID),
ASN_UNSIGNED,
reinterpret_cast<const u_char*>(&qClass),
sizeof(qClass));
snmp_varlist_add_variable(&varList,
qTypeOID,
OID_LENGTH(qTypeOID),
ASN_UNSIGNED,
reinterpret_cast<const u_char*>(&qType),
sizeof(qType));
snmp_varlist_add_variable(&varList,
trapReasonOID,
OID_LENGTH(trapReasonOID),
ASN_OCTET_STR,
reason.c_str(),
reason.size());
return sendTrap(d_trapPipe[1], varList);
#else
return true;
#endif /* HAVE_NET_SNMP */
}
DNSDistSNMPAgent::DNSDistSNMPAgent(const std::string& name, const std::string& daemonSocket): SNMPAgent(name, daemonSocket)
{
#ifdef HAVE_NET_SNMP
registerCounter64Stat("queries", queriesOID, OID_LENGTH(queriesOID), &g_stats.queries);
registerCounter64Stat("responses", responsesOID, OID_LENGTH(responsesOID), &g_stats.responses);
registerCounter64Stat("servfailResponses", servfailResponsesOID, OID_LENGTH(servfailResponsesOID), &g_stats.servfailResponses);
registerCounter64Stat("aclDrops", aclDropsOID, OID_LENGTH(aclDropsOID), &g_stats.aclDrops);
registerCounter64Stat("ruleDrop", ruleDropOID, OID_LENGTH(ruleDropOID), &g_stats.ruleDrop);
registerCounter64Stat("ruleNXDomain", ruleNXDomainOID, OID_LENGTH(ruleNXDomainOID), &g_stats.ruleNXDomain);
registerCounter64Stat("ruleRefused", ruleRefusedOID, OID_LENGTH(ruleRefusedOID), &g_stats.ruleRefused);
registerCounter64Stat("ruleServFail", ruleServFailOID, OID_LENGTH(ruleServFailOID), &g_stats.ruleServFail);
registerCounter64Stat("ruleTruncated", ruleTruncatedOID, OID_LENGTH(ruleTruncatedOID), &g_stats.ruleTruncated);
registerCounter64Stat("selfAnswered", selfAnsweredOID, OID_LENGTH(selfAnsweredOID), &g_stats.selfAnswered);
registerCounter64Stat("downstreamTimeouts", downstreamTimeoutsOID, OID_LENGTH(downstreamTimeoutsOID), &g_stats.downstreamTimeouts);
registerCounter64Stat("downstreamSendErrors", downstreamSendErrorsOID, OID_LENGTH(downstreamSendErrorsOID), &g_stats.downstreamSendErrors);
registerCounter64Stat("truncFail", truncFailOID, OID_LENGTH(truncFailOID), &g_stats.truncFail);
registerCounter64Stat("noPolicy", noPolicyOID, OID_LENGTH(noPolicyOID), &g_stats.noPolicy);
registerCounter64Stat("latency0_1", latency0_1OID, OID_LENGTH(latency0_1OID), &g_stats.latency0_1);
registerCounter64Stat("latency1_10", latency1_10OID, OID_LENGTH(latency1_10OID), &g_stats.latency1_10);
registerCounter64Stat("latency10_50", latency10_50OID, OID_LENGTH(latency10_50OID), &g_stats.latency10_50);
registerCounter64Stat("latency50_100", latency50_100OID, OID_LENGTH(latency50_100OID), &g_stats.latency50_100);
registerCounter64Stat("latency100_1000", latency100_1000OID, OID_LENGTH(latency100_1000OID), &g_stats.latency100_1000);
registerCounter64Stat("latencySlow", latencySlowOID, OID_LENGTH(latencySlowOID), &g_stats.latencySlow);
registerCounter64Stat("nonCompliantQueries", nonCompliantQueriesOID, OID_LENGTH(nonCompliantQueriesOID), &g_stats.nonCompliantQueries);
registerCounter64Stat("nonCompliantResponses", nonCompliantResponsesOID, OID_LENGTH(nonCompliantResponsesOID), &g_stats.nonCompliantResponses);
registerCounter64Stat("rdQueries", rdQueriesOID, OID_LENGTH(rdQueriesOID), &g_stats.rdQueries);
registerCounter64Stat("emptyQueries", emptyQueriesOID, OID_LENGTH(emptyQueriesOID), &g_stats.emptyQueries);
registerCounter64Stat("cacheHits", cacheHitsOID, OID_LENGTH(cacheHitsOID), &g_stats.cacheHits);
registerCounter64Stat("cacheMisses", cacheMissesOID, OID_LENGTH(cacheMissesOID), &g_stats.cacheMisses);
registerCounter64Stat("dynBlocked", dynBlockedOID, OID_LENGTH(dynBlockedOID), &g_stats.dynBlocked);
registerFloatStat("latencyAvg100", latencyAvg100OID, OID_LENGTH(latencyAvg100OID), &g_stats.latencyAvg100);
registerFloatStat("latencyAvg1000", latencyAvg1000OID, OID_LENGTH(latencyAvg1000OID), &g_stats.latencyAvg1000);
registerFloatStat("latencyAvg10000", latencyAvg10000OID, OID_LENGTH(latencyAvg10000OID), &g_stats.latencyAvg10000);
registerFloatStat("latencyAvg1000000", latencyAvg1000000OID, OID_LENGTH(latencyAvg1000000OID), &g_stats.latencyAvg1000000);
registerGauge64Stat("uptime", uptimeOID, OID_LENGTH(uptimeOID), &uptimeOfProcess);
registerGauge64Stat("specialMemoryUsage", specialMemoryUsageOID, OID_LENGTH(specialMemoryUsageOID), &getSpecialMemoryUsage);
registerGauge64Stat("cpuUserMSec", cpuUserMSecOID, OID_LENGTH(cpuUserMSecOID), &getCPUTimeUser);
registerGauge64Stat("cpuSysMSec", cpuSysMSecOID, OID_LENGTH(cpuSysMSecOID), &getCPUTimeSystem);
registerGauge64Stat("fdUsage", fdUsageOID, OID_LENGTH(fdUsageOID), &getOpenFileDescriptors);
registerGauge64Stat("dynBlockedNMGSize", dynBlockedNMGSizeOID, OID_LENGTH(dynBlockedNMGSizeOID), [](const std::string&) { return g_dynblockNMG.getLocal()->size(); });
registerGauge64Stat("securityStatus", securityStatusOID, OID_LENGTH(securityStatusOID), [](const std::string&) { return g_stats.securityStatus.load(); });
registerGauge64Stat("realMemoryUsage", realMemoryUsageOID, OID_LENGTH(realMemoryUsageOID), &getRealMemoryUsage);
netsnmp_table_registration_info* table_info = SNMP_MALLOC_TYPEDEF(netsnmp_table_registration_info);
netsnmp_table_helper_add_indexes(table_info,
ASN_GAUGE, /* index: backendId */
0);
table_info->min_column = COLUMN_BACKENDNAME;
table_info->max_column = COLUMN_BACKENDORDER;
netsnmp_iterator_info* iinfo = SNMP_MALLOC_TYPEDEF(netsnmp_iterator_info);
iinfo->get_first_data_point = backendStatTable_get_first_data_point;
iinfo->get_next_data_point = backendStatTable_get_next_data_point;
iinfo->table_reginfo = table_info;
netsnmp_register_table_iterator(netsnmp_create_handler_registration("backendStatTable",
backendStatTable_handler,
backendStatTableOID,
OID_LENGTH(backendStatTableOID),
HANDLER_CAN_RONLY),
iinfo);
#endif /* HAVE_NET_SNMP */
}
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