QtNetSNMP::SNMPSession *QtNetSNMP::QSNMPCore::createSession(SNMPVersion version, const QString& community, const QString& agent) throw(QSNMPException)
{
SNMPSession session;
SNMPSession *openedSession;
std::string stdCommunity = community.toStdString();
std::string stdAgent = agent.toStdString();
if(version != SNMPv1 && version != SNMPv2)
throw QSNMPException("QSNMPCore :: Create Session :: Version not supported");
snmp_sess_init(&session);
session.remote_port = _port;
session.retries = _retries;
session.timeout = _timeout;
session.version = version;
session.community = reinterpret_cast<u_char *>(const_cast<char *>(stdCommunity.c_str()));
session.community_len = stdCommunity.length();
session.peername = const_cast<char *>(stdAgent.c_str());
SOCK_STARTUP;
if(!(openedSession = snmp_open(&session))) {
SOCK_CLEANUP;
throw QSNMPException("QSNMPCore :: Create Session :: Open Session");
}
return openedSession;
}
QtNetSNMP::QMIBTree *QtNetSNMP::QSNMPManager::getMIBFile(const QString& fileName) throw(QSNMPException)
{
if(!QFile(fileName).exists())
throw QSNMPException("QSNMPManager :: Get MIB File :: File not found");
return _core -> getMIBTree(read_mib(fileName.toStdString().c_str()));
}
QtNetSNMP::SNMPPDU *QtNetSNMP::QSNMPCore::sendPDU(SNMPSession *session, SNMPPDU *pdu) throw(QSNMPException)
{
SNMPPDU *response;
int status;
status = snmp_synch_response(session, pdu, &response);
if(status == STAT_SUCCESS)
if(response -> errstat == SNMP_ERR_NOERROR)
return response;
else
throw QSNMPException("QSNMPCore :: Send PDU :: Responde PDU has errors");
else if(status == STAT_TIMEOUT)
throw QSNMPException("QSNMPCore :: Send PDU :: Timeout. No response from agent");
else
throw QSNMPException("QSNMPCore :: Send PDU :: SNMP Session error");
}
QtNetSNMP::QMIBTree *QtNetSNMP::QSNMPManager::getMIBModule(const QString& module) throw(QSNMPException)
{
if(module.isEmpty())
return _core -> getMIBTree(read_all_mibs());
else if(getModulesInstalled().indexOf(module) == -1)
throw QSNMPException("QSNMPManager :: Get MIB Module :: Module not found");
return _core -> getMIBTree(read_module(module.toStdString().c_str()));
}
void QtNetSNMP::QSNMPOID::setTextOID(const QString& textOID) throw(QSNMPException)
{
QRegExp regExp("\\d+(\\.\\d+)*");
if(!regExp.exactMatch(textOID))
throw QSNMPException("QSNMPOID :: Set Text OID :: Textual representation of OID is wrong");
if(_numOID)
delete _numOID;
_numOID = new QVector<oid>();
foreach(QString str, textOID.split("."))
_numOID -> append(str.toInt());
}
QtNetSNMP::SNMPPDU *QtNetSNMP::QSNMPCore::createPDU(SNMPPDUType type, QVector<QSNMPObject *>& objs, unsigned short nrepeaters, unsigned short mrepetitions) throw(QSNMPException)
{
SNMPPDU *pdu;
if(type != SNMPPDUGet && type != SNMPPDUGetNext && type != SNMPPDUGetBulk && type != SNMPPDUSet)
throw QSNMPException("QSNMPCore :: Create PDU :: Unknown PDU type");
if(objs.empty())
throw QSNMPException("QSNMPCore :: Create PDU :: SNMP objects vector is empty");
pdu = snmp_pdu_create(type);
foreach (QSNMPObject *object, objs) {
if(type == SNMPPDUSet) {
if(object -> data() -> type() == SNMPDataUnknown)
throw QSNMPException("QSNMPCore :: Create PDU :: Unknown SNMP data type");
char dataType;
switch(object -> data() -> type()) {
case SNMPDataInteger:
dataType = 'i';
break;
case SNMPDataUnsigned:
dataType = 'u';
break;
case SNMPDataBits:
dataType = 'b';
break;
case SNMPDataCounter:
dataType = 'c';
break;
case SNMPDataTimeTicks:
dataType = 't';
break;
case SNMPDataCounter64:
dataType = 'C';
break;
case SNMPDataBitString:
dataType = 'b';
break;
case SNMPDataOctetString:
dataType = 's';
break;
case SNMPDataIPAddress:
dataType = 'a';
break;
case SNMPDataObjectId:
dataType = 'o';
break;
default:
dataType = '=';
}
snmp_add_var(pdu, object -> objID() -> numOID() -> data(), static_cast<size_t>(object -> objID() -> numOID() -> size()), dataType, static_cast<const char *>(object -> data() -> value()));
} else
snmp_add_null_var(pdu, object -> objID() -> numOID() -> data(), static_cast<size_t>(object -> objID() -> numOID() -> size()));
}
if(type == SNMPPDUGetBulk) {
pdu -> errstat = nrepeaters;
pdu -> errindex = mrepetitions;
}
return pdu;
}
