const string & SnmpDG::GetMibObject(const snmp_version version, const SnmpPara& spr, const string oid) const
{
if(!m_inited_success)
{
return m_empty_object;
}
Snmp::socket_startup();
UdpAddress address(spr.ip.c_str());
//string myoid = oid;
Pdu pdu;
Vb vb;
vb.set_oid(oid.c_str());//(myoid.c_str());
pdu += vb;
CTarget ctarget(address);
ctarget.set_version( version );
ctarget.set_retry(spr.retry);
ctarget.set_timeout(spr.timeout);
ctarget.set_readcommunity(spr.community.c_str());
SnmpTarget *target;
target = &ctarget;
int status;
Snmp snmp(status, 0, false);
if (status == SNMP_CLASS_SUCCESS)
{
if ((status = snmp.get( pdu, *target)) == SNMP_CLASS_SUCCESS)
{
pdu.get_vb( vb,0);
//string oid_tmp = vb.get_printable_oid();
m_mib_object = vb.get_printable_value();
}
else
{
m_mib_object = string("");
SetLastError(status);
}
}
else
{
m_mib_object = string("");
SetLastError(status);
}
Snmp::socket_cleanup(); // Shut down socket subsystem
return m_mib_object;
}
Status SnmpManager::handleOperationGetNext(Request *request)
{
Snmp::socket_startup();
int status;
Snmp snmp(status, 0, false);
if (status != SNMP_CLASS_SUCCESS) {
/*Setup SNMP FAILED*/
Helper::log(0, "RequestGetNext Failed");
Helper::log(1, snmp.error_msg(status));
Helper::pop("Error", snmp.error_msg(status));
Snmp::socket_cleanup();
return Status_FAILED;
}
Pdu pdu;
pdu += request->data;
CTarget ctarget(request->address);
ctarget.set_retry(request->retry);
ctarget.set_timeout(request->timeout);
ctarget.set_version(request->version);
ctarget.set_readcommunity(request->community.c_str());
SnmpTarget *target = &ctarget;
status = snmp.get_next(pdu, *target);
if (status == SNMP_CLASS_SUCCESS) {
/*GetNextRequest SUCCESS*/
Helper::log(1, "RequestGetNext SUCCESS");
pdu.get_vb(request->data, 0);
QString replayOid = request->data.get_printable_oid();
QString replayValue = request->data.get_printable_value();
}
else {
/*GetNextRequest FAILED*/
Helper::log(0, "RequestGetNext Failed");
Helper::log(1, snmp.error_msg(status));
Helper::pop("Error", snmp.error_msg(status));
Snmp::socket_cleanup();
return Status_FAILED;
}
Snmp::socket_cleanup();
qDebug() << "########################################################";
qDebug() << "Handle RequestGetNext Successfully";
qDebug() << "Oid: " << request->data.get_printable_oid();
qDebug() << "Value: " << request->data.get_printable_value();
qDebug() << "########################################################";
return Status_SUCCESS;
}
const list<pair<string,string> > & SnmpDG::GetMibTable(const snmp_version version, const SnmpPara& spr, const string oid) const
{
m_mib_table.clear();
if(!m_inited_success)
{
return m_mib_table;
}
Snmp::socket_startup(); // Initialize socket subsystem
UdpAddress address( spr.ip.c_str());
Oid myoid(oid.c_str()); // default is sysDescr
if( !myoid.valid())
{// check validity of user oid
return m_mib_table;
}
Pdu pdu; // construct a Pdu object
Vb vb; // construct a Vb object(SNMP++ Variable Binding)
vb.set_oid(myoid);//oid.c_str());
pdu += vb;
CTarget ctarget(address);
ctarget.set_version( version );
ctarget.set_retry(spr.retry);
ctarget.set_timeout(spr.timeout);
ctarget.set_readcommunity(spr.community.c_str());
SnmpTarget *target;
target = &ctarget;
int status;
Snmp snmp(status, 0, false);
if (status == SNMP_CLASS_SUCCESS)
{
DWORD dwStartTime_ttl = GetTickCount();
DWORD dwStartTime = 0, dwEndTime = 0;
while ( (status = snmp.get_next(pdu, *target)) == SNMP_CLASS_SUCCESS) //get_next命令是按列遍历oid
{
pdu.get_vb(vb, 0);
Oid oid_tmp = vb.get_oid();//.get_printable_oid();该表项的oid
string str_oid_tmp = oid_tmp.get_printable();
if(oid_tmp.nCompare(myoid.len(), myoid) != 0)//判断是否已越界，如果是则结束循环
{
break;
}
bool bNew = true;
string value_tmp = vb.get_printable_value();
for(std::list<pair<string,string> >::iterator item = m_mib_table.begin();
item != m_mib_table.end();
item++)
{
if(item->first == str_oid_tmp)//value_tmp)//去掉重复的oid
{
bNew = false;
cout << "ip:" + spr.ip + ",repeat oid:" + str_oid_tmp;
break;
}
}
if(bNew)
{
dwStartTime = GetTickCount();
m_mib_table.push_back(make_pair(str_oid_tmp,value_tmp));
vb.set_oid(oid_tmp);
vb.set_null();
pdu.set_vb(vb,0);
}
else
{
// if ( GetTickCount() - dwStartTime > 10000 ) //10s
//{
// cout << "Timeout because read repeat data " << endl;
break;
//}
}
if ( GetTickCount() - dwStartTime_ttl > 300000 ) //5min
{
cout << "Timeout because read operation " << endl;
break;
}
}
}
else
{
cout << "SNMP++ Session Create Fail, " << snmp.error_msg(status) << "\n";
SetLastError(status);
}
Snmp::socket_cleanup(); // Shut down socket subsystem
return m_mib_table;
}
