Projects using PySNMP

TwistedSNMP

Zenoss

Relevant projects

SNMPy YAPSNMP LibSMI Scotty software

import sys, getopt
from pysnmp.proto import v1, v2c
from pysnmp.mapping.udp import role
import pysnmp.proto.cli.ucd

# Initialize help messages
options =           'Options:\n'
options = options + '  -p       port to communicate with at the agent. Default is 162.\n'
options = options + '  -v    SNMP version to use [1, 2c]. Default is 1 (version one).\n'
usage = 'Usage: %s [options] ' % sys.argv[0]
usage = usage + '\n' + options + ' ' + v2c.Trap().cliUcdGetUsage() + '\n' + \
        v1.Trap().cliUcdGetUsage()
    
# Initialize defaults
port = 161
version = '1'
    
# Parse possible options
try:
    (opts, args) = getopt.getopt(sys.argv[1:], 'hp:v:',\
                                 ['help', 'port=', 'version='])
except getopt.error, why:
    print 'getopt error: %s\n%s' % (why, usage)
    sys.exit(-1)

try:
    for opt in opts:
        if opt[0] == '-h' or opt[0] == '--help':
            print usage
            sys.exit(0)
        
        if opt[0] == '-p' or opt[0] == '--port':
            port = int(opt[1])

        if opt[0] == '-v' or opt[0] == '--version':
            version = opt[1]

except ValueError, why:
    print 'Bad parameter \'%s\' for option %s: %s\n%s' \
          % (opt[1], opt[0], why, usage)
    sys.exit(-1)

# Choose protocol version specific module
try:
    snmp = eval('v' + version)

except (NameError, AttributeError):
    print 'Unsupported SNMP protocol version: %s\n%s' % (version, usage)
    sys.exit(-1)

if len(args) < 1:
    print 'Insufficient number of arguments supplied\n%s' % usage
    sys.exit(-1)

agent = args[0]

# Create SNMP Trap message
req = snmp.Trap()

# Initialize request message from C/L params
req.cliUcdSetArgs(args[1:])

# Create SNMP manager object
client = role.manager((agent, port))

# Encode SNMP request message and try to send it to SNMP manager
client.send(req.encode())