Below is the file 'plugins/cisco_ios.py' from this revision. You can also download the file.

from goatpy.snmpwrapper import snmpwalk
import basic_snmp
import re

def adjacency(table_name, table_io, device):
    def h2i(s):
        h = {'0':0,'1':1,'2':2,'3':3,'4':4,'5':5,'6':6,'7':7,'8':8,'9':9,'A':10,'B':11,'C':12,'D':13,'E':14,'F':15}
        if len(s) == 1: return h[s[0]]
        else :return 16*h[s[0]] + h[s[1]]
    def to_ipaddr(s):
        if s == None: return s
        return '.'.join([str(t) for t in map(h2i, s.split(' '))])
    def to_ascii(s):
        if s == None: return s
        asdigits = [h2i(t) for t in s.split(' ')]
        asdigits = filter(lambda x: x >= 32 and x <= 122, asdigits)
        return ''.join([chr(t) for t in asdigits])
    row_to_field =  {   4 : ('Hex-STRING', 'ip_address'),
                        6 : ('STRING', 'name'),
                        7 : ('STRING', 'remote_port')  }
    table = {}
    for oid, type, value in snmpwalk(device.device_name, device.config['community'], "2c", "SNMPv2-SMI::enterprises.9.9.23.1.2.1.1", ssh_dest=device.config.get('ssh')):
        id, row = tuple(oid[-2:]), int(oid[-3])
        if not table.has_key(id): table[id] = {}
        match_type, match_name = row_to_field.get(row, (None, None))
        if match_name and match_type and match_type == type:
            table[id][match_name] = value

    print table
    for row in table:
        vals = table[row]
        if not vals.has_key('ip_address') or not vals.has_key('name') or not vals.has_key('remote_port'):
            continue
        ip = to_ipaddr(vals['ip_address'])
        name = vals['name'][1:-1]
        remote_port = vals['remote_port'][1:-1]
        yield device.config['zone'], name,  remote_port, ip

# see: http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094a9b.shtml
def ethernet_forwarding(table_name, table_io, device):
    yield device.config['zone'], 1, '00:11:24:c7:dd:41', 'en1'

def ethernet_vlans(table_name, table_io, device):
    # walk vtpVlanName
    for oid, type, value in snmpwalk(device.device_name, device.config['community'], "2c", ".1.3.6.1.4.1.9.9.46.1.3.1.1.4", ssh_dest=device.config.get('ssh')):
        value = value[1:-1]
        yield device.config['zone'], int(oid[-1]), value

tables = {
    'adjacency' : adjacency,
    'ethernet_forwarding' : ethernet_forwarding,
    'ethernet_vlans' : ethernet_vlans,
    'ip_addresses' : basic_snmp.ip_addresses,
    'ip_arp' : basic_snmp.ip_arp,
    'ip_routing' : basic_snmp.ip_routing
}

def init():
    export['has_table'] = simple_has_table(tables)
    export['get_table'] = simple_get_table(tables)
    log("Cisco IOS initialised")