# Path: pyisis/lib/util.py
# def as_string (cobj):
# def cast_as (bufptr, ctype):
# def copy_as (s, ctype):
# def copy_cobj (s, ctype):
# def memcpy (dst, src):
#     def _chr3 (val):
#     def buffer3 (val, off=None, sz=None):
#     def tlvrdb (val):
#     def buffer3 (val, off=None, l=None):
#     def stringify3 (b):
# def debug_exception ():
#     def __init__ (self):
#     def elapsed (self):
#     def __str__ (self):
#     def __init__ (self, lifetime):
#     def reset (self, lifetime):
#     def expire_at (self):
#     def timeleft (self):
#     def __init__ (self):
#     def __enter__ (self):
#     def __exit__ (self, *args):
#     def held (self):
#     def acquire (self, blocking=True):
#     def release (self):
# def debug_after (count=1):
#     def __enter__ (self):
#     def __exit__ (self, *args):
# class CPUTimer (object):
# class Lifetime (object):
# class QueryLock (object):
# class NoLock (object):


from collections import defaultdict
from ctypes import BigEndianStructure
from ctypes import c_uint8, c_uint16, c_uint32, memmove, sizeof
from pyisis.bstr import memspan                             # pylint: disable=E0611
from pyisis.lib.util import buffer3, tlvrdb, tlvwrb, xrange3
import pyisis.lib.util as util
import ipaddress
import logbook
import pdb
import struct
import sys
import pyisis.clns as clns


if sys.version_info >= (3, 0):
    def tlv_pad (mview, pad):
        mview[0] = TLV_PADDING
        mview[1] = pad
        return mview[2 + pad:]

    def tlv_append (mview, code, value):
        l = len(value)
        try:
            mview[0] = code
        except Exception:
            util.debug_exception()
        mview[1] = l
        try:
            mview[2:2 + l] = value
        except Exception:
            util.debug_exception()
        return mview[2 + l:]

else:
    def tlv_pad (mview, pad):
        mview[0] = tlvwrb(TLV_PADDING)
        mview[1] = tlvwrb(pad)
        return mview[2 + pad:]

    def tlv_append (mview, code, value):
        l = len(value)
        try:

# Path: pyisis/lib/util.py
# def as_string (cobj):
# def cast_as (bufptr, ctype):
# def copy_as (s, ctype):
# def copy_cobj (s, ctype):
# def memcpy (dst, src):
#     def _chr3 (val):
#     def buffer3 (val, off=None, sz=None):
#     def tlvrdb (val):
#     def buffer3 (val, off=None, l=None):
#     def stringify3 (b):
# def debug_exception ():
#     def __init__ (self):
#     def elapsed (self):
#     def __str__ (self):
#     def __init__ (self, lifetime):
#     def reset (self, lifetime):
#     def expire_at (self):
#     def timeleft (self):
#     def __init__ (self):
#     def __enter__ (self):
#     def __exit__ (self, *args):
#     def held (self):
#     def acquire (self, blocking=True):
#     def release (self):
# def debug_after (count=1):
#     def __enter__ (self):
#     def __exit__ (self, *args):
# class CPUTimer (object):
# class Lifetime (object):
# class QueryLock (object):
# class NoLock (object):


# Path: pyisis/tlv.py
from collections import defaultdict
from ctypes import BigEndianStructure
from ctypes import c_uint8, c_uint16, c_uint32, memmove, sizeof
from pyisis.bstr import memspan                             # pylint: disable=E0611
from pyisis.lib.util import buffer3, tlvrdb, tlvwrb, xrange3
import pyisis.lib.util as util
import ipaddress
import logbook
import pdb
import struct
import sys
import pyisis.clns as clns



if sys.version_info >= (3, 0):
    def tlv_pad (mview, pad):
        mview[0] = TLV_PADDING
        mview[1] = pad
        return mview[2 + pad:]

    def tlv_append (mview, code, value):
        l = len(value)
        try:
            mview[0] = code
        except Exception:
            util.debug_exception()
        mview[1] = l
        try:
            mview[2:2 + l] = value
        except Exception:
            util.debug_exception()
        return mview[2 + l:]

else:
    def tlv_pad (mview, pad):
        mview[0] = tlvwrb(TLV_PADDING)
        mview[1] = tlvwrb(pad)
        return mview[2 + pad:]

    def tlv_append (mview, code, value):
        l = len(value)
        try:

            mview[0] = tlvwrb(code)