def discoverInterfaceData(client, sysTable):
snmpAgent = snmputils.SnmpAgent(None, client)
queryBuilder = snmputils.SnmpQueryBuilder(BASE_INTERFACE_OID)
queryBuilder.addQueryElement(1, 'ifIndex')
queryBuilder.addQueryElement(2, 'ifDescr')
queryBuilder.addQueryElement(3, 'ifType')
queryBuilder.addQueryElement(5, 'ifSpeed')
queryBuilder.addQueryElement(6, 'ifMac', 'hexa')
queryBuilder.addQueryElement(7, 'ifAdminStatus')
queryBuilder.addQueryElement(8, 'ifOperStatus')
ifList = snmpAgent.getSnmpData(queryBuilder)
queryBuilderHigh = snmputils.SnmpQueryBuilder(BASE_HIGH_INTERFACE_OID)
queryBuilderHigh.addQueryElement(1, 'ifName')
queryBuilderHigh.addQueryElement(15, 'ifHighSpeed')
ifHighList = snmpAgent.getSnmpData(queryBuilderHigh)
refifHigh = {}
for iface in ifHighList:
if iface.ifName:
refifHigh[iface.ifName] = iface
indx2if = {}
refIfList = []
for interface in ifList:
if interface.ifType == '':
interface.ifType = -1
if interface.ifMac == None:
interface.ifMac = ''
ifValid = SnmpQueries.checkValidMacByInterfaceTypeAndDescription(int(interface.ifType), interface.ifMac, str(interface.ifDescr).lower())
if (ifValid == 1) and (not netutils.isValidMac(interface.ifMac)):
logger.debug('Mac is invalid:' + interface.ifMac+', using mac index instead - '+interface.ifIndex)
interface.ifMac = interface.ifIndex
setattr(interface, 'ifName', None)
setattr(interface, 'ifAlias', None)
indx2if[interface.ifIndex] = interface
refIfList.append(interface)
try:
getInterfaceNameAndAlias(client, indx2if)
except:
logger.debugException('Failed to get Name and Alias')
#removing interfaces with invalid mac address and no name or description
for refIf in refIfList:
if not modeling.isValidInterface(refIf.ifMac, refIf.ifDescr, refIf.ifName):
logger.warn('Skipped invalid interface [', str(refIf.ifMac), '], name[', str(refIf.ifName), '], description[', str(refIf.ifDescr), ']')
ifList.remove(refIf)
for iface in ifList:
if iface.ifSpeed and long(iface.ifSpeed) == 4294967295L:#magic number in case speed is higher than 10Gb
hiIface = refifHigh.get(iface.ifName)
if hiIface and hiIface.ifHighSpeed:
iface.ifSpeed = long(hiIface.ifHighSpeed) * 1000000
return ifList
def discoverInterfaceData(client, sysTable):
snmpAgent = snmputils.SnmpAgent(None, client)
queryBuilder = snmputils.SnmpQueryBuilder(BASE_INTERFACE_OID)
queryBuilder.addQueryElement(1, 'ifIndex')
queryBuilder.addQueryElement(2, 'ifDescr')
queryBuilder.addQueryElement(3, 'ifType')
queryBuilder.addQueryElement(5, 'ifSpeed')
queryBuilder.addQueryElement(6, 'ifMac', 'hexa')
queryBuilder.addQueryElement(7, 'ifAdminStatus')
queryBuilder.addQueryElement(8, 'ifOperStatus')
ifList = snmpAgent.getSnmpData(queryBuilder)
queryBuilderHigh = snmputils.SnmpQueryBuilder(BASE_HIGH_INTERFACE_OID)
queryBuilderHigh.addQueryElement(1, 'ifName')
queryBuilderHigh.addQueryElement(15, 'ifHighSpeed')
ifHighList = snmpAgent.getSnmpData(queryBuilderHigh)
refifHigh = {}
for iface in ifHighList:
if iface.ifName:
refifHigh[iface.ifName] = iface
indx2if = {}
refIfList = []
for interface in ifList:
if interface.ifType == '':
interface.ifType = -1
if interface.ifMac == None:
interface.ifMac = ''
if interface.ifMac and len(interface.ifMac) >= 34:
#most likely we're dealing with the string to hex encoded value
#try to decode it
try:
mac = interface.ifMac.decode('hex')
#the fetched MAC might have missing 0 character at the end
if mac:
if len(mac) in [16, 11]:
mac = mac + '0'
interface.ifMac = mac
except:
logger.debugException('')
ifValid = SnmpQueries.checkValidMacByInterfaceTypeAndDescription(int(interface.ifType), interface.ifMac, interface.ifDescr and interface.ifDescr.lower())
if (ifValid == 1) and (not netutils.isValidMac(interface.ifMac)):
logger.debug('Mac is invalid:' + interface.ifMac+', using mac index instead - '+interface.ifIndex)
interface.ifMac = interface.ifIndex
setattr(interface, 'ifName', None)
setattr(interface, 'ifAlias', None)
indx2if[interface.ifIndex] = interface
refIfList.append(interface)
try:
getInterfaceNameAndAlias(client, indx2if)
except:
logger.debugException('Failed to get Name and Alias')
#removing interfaces with invalid mac address and no name or description
for refIf in refIfList:
if not modeling.isValidInterface(refIf.ifMac, refIf.ifDescr, refIf.ifName):
logger.warn('Skipped invalid interface [', str(refIf.ifMac), '], name[', str(refIf.ifName), '], description[', str(refIf.ifDescr), ']')
ifList.remove(refIf)
for iface in ifList:
if iface.ifSpeed and long(iface.ifSpeed) == 4294967295L:#magic number in case speed is higher than 10Gb
hiIface = refifHigh.get(iface.ifName)
if hiIface and hiIface.ifHighSpeed:
iface.ifSpeed = long(hiIface.ifHighSpeed) * 1000000
return ifList
