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import time
import logging
from pyasn1.compat.octets import octs2ints
from pysnmp import error
from pysnmp import __version__
flagNone = 0x0000
flagIO = 0x0001
flagDsp = 0x0002
flagMP = 0x0004
flagSM = 0x0008
flagBld = 0x0010
flagMIB = 0x0020
flagIns = 0x0040
flagACL = 0x0080
flagPrx = 0x0100
flagApp = 0x0200
flagAll = 0xffff
flagMap = {
'io': flagIO,
'dsp': flagDsp,
'msgproc': flagMP,
'secmod': flagSM,
'mibbuild': flagBld,
'mibview': flagMIB,
'mibinstrum': flagIns,
'acl': flagACL,
'proxy': flagPrx,
'app': flagApp,
'all': flagAll
}
class Printer:
def __init__(self, logger=None, handler=None, formatter=None):
if logger is None:
logger = logging.getLogger('pysnmp')
logger.setLevel(logging.DEBUG)
if handler is None:
handler = logging.StreamHandler()
if formatter is None:
formatter = logging.Formatter('%(asctime)s %(name)s: %(message)s')
handler.setFormatter(formatter)
handler.setLevel(logging.DEBUG)
logger.addHandler(handler)
self.__logger = logger
def __call__(self, msg): self.__logger.debug(msg)
def __str__(self): return '<python built-in logging>'
class Debug:
defaultPrinter = None
def __init__(self, *flags, **options):
self._flags = flagNone
if options.get('printer') is not None:
self._printer = options.get('printer')
elif self.defaultPrinter is not None:
self._printer = self.defaultPrinter
else:
if 'loggerName' in options:
# route our logs to parent logger
self._printer = Printer(
logger=logging.getLogger(options['loggerName']),
handler=logging.NullHandler()
)
else:
self._printer = Printer()
self('running pysnmp version %s' % __version__)
for f in flags:
inverse = f and f[0] in ('!', '~')
if inverse:
f = f[1:]
try:
if inverse:
self._flags &= ~flagMap[f]
else:
self._flags |= flagMap[f]
except KeyError:
raise error.PySnmpError('bad debug flag %s' % f)
self('debug category \'%s\' %s' % (f, inverse and 'disabled' or 'enabled'))
def __str__(self):
return 'logger %s, flags %x' % (self._printer, self._flags)
def __call__(self, msg):
self._printer(msg)
def __and__(self, flag):
return self._flags & flag
def __rand__(self, flag):
return flag & self._flags
# This will yield false from bitwise and with a flag, and save
# on unnecessary calls
logger = 0
def setLogger(l):
global logger
logger = l
def hexdump(octets):
return ' '.join(
[ '%s%.2X' % (n%16 == 0 and ('\n%.5d: ' % n) or '', x)
for n,x in zip(range(len(octets)), octs2ints(octets)) ]
)
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