SNMPObject::~SNMPObject() {
if(_octets) {
free(_octets);
}
if(_bInit) {
SnmpFreeDescriptor(SNMP_SYNTAX_OCTETS, (smiLPOPAQUE)&_oid);
}
}
int SNMPObject::compareOID(std::string oid) const
{
if(!_bInit) {
SNMP_THROW_ERROR("SNMP object OID not initialized", SNMPAPI_OTHER_ERROR, SNMP_ERROR);
return 0;
}
smiOID otherOid;
if(SnmpStrToOid(oid.c_str(), &otherOid) == SNMPAPI_FAILURE) {
SNMP_THROW_ERROR("Could not convert OID from string representation", SnmpGetLastError(NULL), SNMP_ERROR);
}
smiINT res = 0;
if(SnmpOidCompare(&_oid, &otherOid, 0, &res) != SNMPAPI_SUCCESS) {
SnmpFreeDescriptor(SNMP_SYNTAX_OCTETS, (smiLPOPAQUE)&otherOid);
SNMP_THROW_ERROR("Could not compare OIDs", SnmpGetLastError(NULL), SNMP_ERROR);
}
SnmpFreeDescriptor(SNMP_SYNTAX_OCTETS, (smiLPOPAQUE)&otherOid);
return (int)res;
}
void SNMPObject::setOID(std::string oid) {
if(_bInit) {
SnmpFreeDescriptor(SNMP_SYNTAX_OCTETS, (smiLPOPAQUE)&_oid);
_bInit = false;
}
if(oid != "") {
if(SnmpStrToOid(oid.c_str(), &_oid) == SNMPAPI_FAILURE) {
SNMP_THROW_ERROR("Could not convert OID from string representation", SnmpGetLastError(NULL), SNMP_ERROR);
}
_bInit = true;
}
}
SNMPAPI_STATUS SNMPSession::processNotification(WPARAM wParam, LPARAM lParam) {
if(wParam == 0) {
HSNMP_PDU hPdu;
HSNMP_CONTEXT hContext;
HSNMP_ENTITY hDstEntity;
HSNMP_ENTITY hSrcEntity;
SNMPAPI_STATUS ret = SnmpRecvMsg(_hSession, &hSrcEntity, &hDstEntity, &hContext, &hPdu);
SNMPRemoteAgent * pRa = getRemoteAgent(hContext);
int requestId = (DWORD)lParam;
SNMPRequest * pRequest = NULL;
if(pRa) {
pRequest = pRa->getRequest(requestId);
}
if(ret == SNMPAPI_FAILURE) {
if(pRequest) {
pRequest->setResult(SNMP_ERROR_GENERR);
}
SnmpFreeVbl(hPdu);
return SNMPAPI_SUCCESS;
}
smiINT32 lReqId, lType, lErr, lIdx;
HSNMP_VBL hVbl;
ret = SnmpGetPduData(hPdu, &lType, &lReqId, &lErr, &lIdx, &hVbl);
if(ret == SNMPAPI_FAILURE) {
if(pRequest) {
pRequest->setResult(SNMP_ERROR_GENERR);
}
SnmpFreeVbl(hPdu);
return SNMPAPI_SUCCESS;
}
#ifdef SMNP_TRACER
if(SNMPTRACEAENABLED()) {
std::stringstream trace;
trace << "rx " << SNMPManager::pduToStr(hDstEntity, hSrcEntity, hContext, lType, lReqId, lErr, hVbl, false);
SNMPTRACE(trace.str());
}
#endif
if(lType != SNMP_PDU_RESPONSE) {
pRequest = NULL;
}
if(pRequest == NULL && lType != SNMP_PDU_TRAP && lType != SNMP_PDU_INFORM) {
SnmpFreeVbl(hVbl);
SnmpFreeVbl(hPdu);
return SNMPAPI_SUCCESS;
}
smiOID dRetName;
smiVALUE dRetValue;
int count = SnmpCountVbl(hVbl);
if(count) {
char szName[MAXOBJIDSTRSIZE+1];
szName[0] = szName[MAXOBJIDSTRSIZE] = '\0';
for(int i=0; i<count; i++) {
if(SnmpGetVb(hVbl, i+1, &dRetName, &dRetValue) == SNMPAPI_FAILURE) {
SnmpFreeVbl(hVbl);
SnmpFreePdu(hPdu);
if(pRequest) {
pRequest->setResult(SNMP_ERROR_GENERR);
}
return SNMPAPI_SUCCESS;
}
if(SnmpOidToStr(&dRetName, sizeof(szName), szName) == SNMPAPI_FAILURE) {
szName[0] = '\0';
}
SNMPObject obj;
obj.setValue(&dRetValue);
obj.setOID(szName);
if(pRequest) {
pRequest->addToResult(obj);
} else {
processTrap(obj);
}
SnmpFreeDescriptor(SNMP_SYNTAX_OID, (smiLPOPAQUE)&dRetName);
if(dRetValue.syntax == SNMP_SYNTAX_OID) {
SnmpFreeDescriptor(dRetValue.syntax, (smiLPOPAQUE)&dRetValue.value.oid);
} else if( dRetValue.syntax == SNMP_SYNTAX_OPAQUE ||
dRetValue.syntax == SNMP_SYNTAX_OCTETS ||
dRetValue.syntax == SNMP_SYNTAX_BITS ||
dRetValue.syntax == SNMP_SYNTAX_IPADDR ||
dRetValue.syntax == SNMP_SYNTAX_NSAPADDR) {
SnmpFreeDescriptor(dRetValue.syntax, (smiLPOPAQUE)&dRetValue.value.string);
}
}
}
SnmpFreeVbl(hVbl);
SnmpFreePdu(hPdu);
if(pRequest) {
pRequest->setResult(lErr, false);
}
return SNMPAPI_SUCCESS;
}
return SNMPAPI_SUCCESS;
}
