# 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
    return parse_subtlvs(extraptr, TLV_TYPES, dbg)


def tlv_iterator (bufptr):
    blen = len(bufptr)
    while True:
        if blen < 2:
            raise ValueError("Remaining TLV space {} not at least 2 bytes".format(blen))

        tlv_type = tlvrdb(bufptr[0])
        tlv_len = tlvrdb(bufptr[1])
        if tlv_len + 2 > blen:
            raise ValueError("Length value {} greater than remaining TLV space {}".format(
                tlv_len + 2, blen))

        yield (tlv_type, tlv_len, bufptr[2:tlv_len])

        bufptr = bufptr[2 + tlv_len:]
        blen = len(bufptr)
        if not blen:
            return


def _tlv_object_iterator (bufptr, tlv_types):
    blen = len(bufptr)
    while blen:
        if blen < 2:
            pdb.set_trace()
            raise ValueError("Remaining TLV space {} not at least 2 bytes".format(blen))


# 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

    return parse_subtlvs(extraptr, TLV_TYPES, dbg)


def tlv_iterator (bufptr):
    blen = len(bufptr)
    while True:
        if blen < 2:
            raise ValueError("Remaining TLV space {} not at least 2 bytes".format(blen))

        tlv_type = tlvrdb(bufptr[0])
        tlv_len = tlvrdb(bufptr[1])
        if tlv_len + 2 > blen:
            raise ValueError("Length value {} greater than remaining TLV space {}".format(
                tlv_len + 2, blen))

        yield (tlv_type, tlv_len, bufptr[2:tlv_len])

        bufptr = bufptr[2 + tlv_len:]
        blen = len(bufptr)
        if not blen:
            return


def _tlv_object_iterator (bufptr, tlv_types):
    blen = len(bufptr)
    while blen:
        if blen < 2:
            pdb.set_trace()
            raise ValueError("Remaining TLV space {} not at least 2 bytes".format(blen))


        tlv_type = tlvrdb(bufptr[0])