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various fixes, initial working version

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This commit is contained in:
Tom Duijf 2015-10-07 21:04:34 +00:00
parent a58382e763
commit 469f35d25f
1 changed files with 31 additions and 13 deletions
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44
homeassistant/components/device_tracker/snmp.py
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@ -1,8 +1,12 @@
"""
homeassistant.components.device_tracker.demo
homeassistant.components.device_tracker.snmp
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Device tracker platform that supports fetching WiFi assiciations
through SNMP
Fetch wifi associations through snmp
This device tracker needs SNMP to be enabled on the WRT or WAP
Configuration:
device_tracker:
platform: snmp
@ -10,10 +14,22 @@ device_tracker:
community: SNMP_COMMUNITY
baseoid: BASE_OID
Variables:
Host
*required
The IP address of the router, e.g. 192.168.1.1
Little help with base oids:
Microtik: 1.3.6.1.4.1.14988.1.1.1.2.1.1 (confirmed)
Aruba: 1.3.6.1.4.1.14823.2.3.3.1.2.4.1.2 (untested)
community
*Required
The SNMP community. Read-only is fine
baseoid
*Required
The OID at which WiFi associations can be found
Little help with base oids:
Microtik: 1.3.6.1.4.1.14988.1.1.1.2.1.1 (confirmed)
Aruba: 1.3.6.1.4.1.14823.2.3.3.1.2.4.1.2 (untested)
"""
import logging
@ -26,18 +42,19 @@ from homeassistant.helpers import validate_config
from homeassistant.util import Throttle
from homeassistant.components.device_tracker import DOMAIN
# Return cached results if last scan was less then this time ago
MIN_TIME_BETWEEN_SCANS = timedelta(seconds=10)
_LOGGER = logging.getLogger(__name__)
REQUIREMENTS = ['pysnmp']
def setup_scanner(hass, config, see):
""" Setup snmp scanning """
#if not validate_config(config, {DOMAIN: [CONF_HOST, CONF_COMMUNITY, CONF_BASEOID]}, _LOGGER):
# return None
# pylint: disable=unused-argument
def get_scanner(hass, config):
""" Validates config and returns an snmp scanner """
if not validate_config(config, {DOMAIN: [CONF_HOST, CONF_COMMUNITY, CONF_BASEOID]}, _LOGGER):
return None
#scanner = SnmpScanner(config[DOMAIN])
scanner = SnmpScanner(config)
scanner = SnmpScanner(config[DOMAIN])
return scanner if scanner.success_init else None
@ -63,6 +80,7 @@ class SnmpScanner(object):
"""
self._update_info()
_LOGGER.error( self.last_results )
return [client['mac'] for client in self.last_results]
def get_device_name(self, device):
@ -90,7 +108,7 @@ class SnmpScanner(object):
""" Fetch mac addresses from WAP via SNMP. """
from pysnmp.entity.rfc3413.oneliner import cmdgen
devices = {}
devices = []
cmdGen = cmdgen.CommandGenerator()
errorIndication, errorStatus, errorIndex, varBindTable = cmdGen.nextCmd(
@ -108,6 +126,6 @@ class SnmpScanner(object):
for key,val in varBindTableRow:
mac = binascii.hexlify( val.asOctets() ).decode('utf-8')
mac = ':'.join( [ mac[i:i+2] for i in range( 0, len(mac), 2 ) ] )
devices[mac] = { 'mac' : mac }
devices.append( { 'mac' : mac } )
return devices