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#
# Copyright (c) 2011 Thomas Graf <tgraf@suug.ch>
#
"""HTB qdisc
"""
from __future__ import absolute_import
from ... import core as netlink
from ... import util as util
from .. import capi as capi
from .. import tc as tc
class HTBQdisc(object):
def __init__(self, qdisc):
self._qdisc = qdisc
###################################################################
# default class
@netlink.nlattr('qdisc.htb.default_class', type=int)
@property
def default_class(self):
return tc.Handle(capi.rtnl_htb_get_defcls(self._qdisc._rtnl_qdisc))
@default_class.setter
def default_class(self, value):
capi.rtnl_htb_set_defcls(self._qdisc._rtnl_qdisc, int(value))
#####################################################################
# r2q
@netlink.nlattr('qdisc.htb.r2q', type=int)
@property
def r2q(self):
return capi.rtnl_htb_get_rate2quantum(self._qdisc._rtnl_qdisc)
@r2q.setter
def r2q(self, value):
capi.rtnl_htb_get_rate2quantum(self._qdisc._rtnl_qdisc,
int(value))
def brief(self):
fmt = util.MyFormatter(self)
ret = ' {s|default-class!k} {a|default_class}'
if self.r2q:
ret += ' {s|r2q!k} {a|r2q}'
return fmt.format(ret)
class HTBClass(object):
def __init__(self, cl):
self._class = cl
#####################################################################
# rate
@netlink.nlattr('class.htb.rate', type=str)
@property
def rate(self):
rate = capi.rtnl_htb_get_rate(self._class._rtnl_class)
return util.Rate(rate)
@rate.setter
def rate(self, value):
capi.rtnl_htb_set_rate(self._class._rtnl_class, int(value))
#####################################################################
# ceil
@netlink.nlattr('class.htb.ceil', type=str)
@property
def ceil(self):
ceil = capi.rtnl_htb_get_ceil(self._class._rtnl_class)
return util.Rate(ceil)
@ceil.setter
def ceil(self, value):
capi.rtnl_htb_set_ceil(self._class._rtnl_class, int(value))
#####################################################################
# burst
@netlink.nlattr('class.htb.burst', type=str)
@property
def burst(self):
burst = capi.rtnl_htb_get_rbuffer(self._class._rtnl_class)
return util.Size(burst)
@burst.setter
def burst(self, value):
capi.rtnl_htb_set_rbuffer(self._class._rtnl_class, int(value))
#####################################################################
# ceil burst
@netlink.nlattr('class.htb.ceil_burst', type=str)
@property
def ceil_burst(self):
burst = capi.rtnl_htb_get_cbuffer(self._class._rtnl_class)
return util.Size(burst)
@ceil_burst.setter
def ceil_burst(self, value):
capi.rtnl_htb_set_cbuffer(self._class._rtnl_class, int(value))
#####################################################################
# priority
@netlink.nlattr('class.htb.prio', type=int)
@property
def prio(self):
return capi.rtnl_htb_get_prio(self._class._rtnl_class)
@prio.setter
def prio(self, value):
capi.rtnl_htb_set_prio(self._class._rtnl_class, int(value))
#####################################################################
# quantum
@netlink.nlattr('class.htb.quantum', type=int)
@property
def quantum(self):
return capi.rtnl_htb_get_quantum(self._class._rtnl_class)
@quantum.setter
def quantum(self, value):
capi.rtnl_htb_set_quantum(self._class._rtnl_class, int(value))
#####################################################################
# level
@netlink.nlattr('class.htb.level', type=int)
@property
def level(self):
level = capi.rtnl_htb_get_level(self._class._rtnl_class)
@level.setter
def level(self, value):
capi.rtnl_htb_set_level(self._class._rtnl_class, int(value))
def brief(self):
fmt = util.MyFormatter(self)
ret = ' {t|prio} {t|rate}'
if self.rate != self.ceil:
ret += ' {s|borrow-up-to!k} {a|ceil}'
ret += ' {t|burst}'
return fmt.format(ret)
def details(self):
fmt = util.MyFormatter(self)
return fmt.nl('\t{t|level} {t|quantum}')
def init_qdisc(qdisc):
qdisc.htb = HTBQdisc(qdisc)
return qdisc.htb
def init_class(cl):
cl.htb = HTBClass(cl)
return cl.htb
#extern void rtnl_htb_set_quantum(struct rtnl_class *, uint32_t quantum);
|
