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Dir : //proc/self/root/opt/saltstack/salt/extras-3.10/pyroute2/netlink/rtnl/tcmsg/__init__.py

import types

from pyroute2.netlink import nla, nlmsg
from pyroute2.netlink.rtnl.tcmsg import (
    cls_basic,
    cls_flow,
    cls_fw,
    cls_matchall,
    cls_u32,
    sched_bpf,
    sched_cake,
    sched_choke,
    sched_clsact,
    sched_codel,
    sched_drr,
    sched_fq_codel,
    sched_hfsc,
    sched_htb,
    sched_ingress,
    sched_netem,
    sched_pfifo,
    sched_pfifo_fast,
    sched_plug,
    sched_sfq,
    sched_tbf,
    sched_template,
)

plugins = {
    'plug': sched_plug,
    'sfq': sched_sfq,
    'clsact': sched_clsact,
    'codel': sched_codel,
    'fq_codel': sched_fq_codel,
    'hfsc': sched_hfsc,
    'htb': sched_htb,
    'bpf': sched_bpf,
    'tbf': sched_tbf,
    'netem': sched_netem,
    'fw': cls_fw,
    'u32': cls_u32,
    'matchall': cls_matchall,
    'basic': cls_basic,
    'flow': cls_flow,
    'ingress': sched_ingress,
    'pfifo': sched_pfifo,
    'pfifo_fast': sched_pfifo_fast,
    'choke': sched_choke,
    'drr': sched_drr,
    'prio': sched_pfifo_fast,
    'cake': sched_cake,
}


class tcmsg(nlmsg):
    prefix = 'TCA_'

    fields = (
        ('family', 'B'),
        ('pad1', 'B'),
        ('pad2', 'H'),
        ('index', 'i'),
        ('handle', 'I'),
        ('parent', 'I'),
        ('info', 'I'),
    )

    nla_map = (
        ('TCA_UNSPEC', 'none'),
        ('TCA_KIND', 'asciiz'),
        ('TCA_OPTIONS', 'get_options'),
        ('TCA_STATS', 'stats'),
        ('TCA_XSTATS', 'get_xstats'),
        ('TCA_RATE', 'hex'),
        ('TCA_FCNT', 'hex'),
        ('TCA_STATS2', 'get_stats2'),
        ('TCA_STAB', 'hex'),
    )

    class stats(nla):
        fields = (
            ('bytes', 'Q'),
            ('packets', 'I'),
            ('drop', 'I'),
            ('overlimits', 'I'),
            ('bps', 'I'),
            ('pps', 'I'),
            ('qlen', 'I'),
            ('backlog', 'I'),
        )

    def get_plugin(self, plug, *argv, **kwarg):
        # get the plugin name
        kind = self.get_attr('TCA_KIND')
        # get the plugin implementation or the default one
        p = plugins.get(kind, sched_template)
        # get the interface
        interface = getattr(p, plug, getattr(sched_template, plug))
        # if it is a method, run and return the result
        if isinstance(interface, types.FunctionType):
            return interface(self, *argv, **kwarg)
        else:
            return interface

    @staticmethod
    def get_stats2(self, *argv, **kwarg):
        return self.get_plugin('stats2', *argv, **kwarg)

    @staticmethod
    def get_xstats(self, *argv, **kwarg):
        return self.get_plugin('stats', *argv, **kwarg)

    @staticmethod
    def get_options(self, *argv, **kwarg):
        return self.get_plugin('options', *argv, **kwarg)