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Reorganise under Linux::

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This commit is contained in:
Brian Candler
2011-05-06 09:49:47 +01:00
parent f1c29980a8
commit e07af9a315
22 changed files with 146 additions and 119 deletions
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126
lib/linux/netlink/route/addr_handler.rb Normal file
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require 'linux/netlink/route'
require 'linux/netlink/route/handler'
module Linux
module Netlink
# struct ifa_cacheinfo
IFACacheInfo = Struct.new :prefered, :valid, :cstamp, :tstamp
# struct ifaddrmsg
class IFAddr < RtattrMessage
code RTM_NEWADDR, RTM_DELADDR, RTM_GETADDR
field :family, :uchar # Socket::AF_*
field :prefixlen, :uchar
field :flags, :uchar # IFA_F_*
field :scope, :uchar # RT_SCOPE_*
field :index, :int
rtattr :address, IFA_ADDRESS, :l3addr
rtattr :local, IFA_LOCAL, :l3addr
rtattr :label, IFA_LABEL, :cstring
rtattr :broadcast, IFA_BROADCAST, :l3addr
rtattr :anycast, IFA_ANYCAST, :l3addr
rtattr :cacheinfo, IFA_CACHEINFO,
:pack => lambda { |val,obj| val.to_a.pack("L*") },
:unpack => lambda { |str,obj| IFACacheInfo.new(*(str.unpack("L*"))) }
rtattr :multicast, IFA_MULTICAST, :l3addr
end
module Route
# This class provides an API for manipulating iaddresses.
class AddrHandler < Handler
def clear_cache
@addr = nil
end
# Download a list of link addresses. Either returns an array of
# Netlink::IFAddr objects, or yields them to the supplied block.
# You will need to use the 'index' to cross reference to the interface.
#
# A hash of kernel options may be supplied, but likely only :family
# is honoured.
#
# res = nl.read_addr(:family => Socket::AF_INET)
# p res
# [#<Linux::Netlink::IFAddr {:family=>2, :prefixlen=>8, :flags=>128, :scope=>254,
# :index=>1, :address=>#<IPAddr: IPv4:127.0.0.1/255.255.255.255>,
# :local=>#<IPAddr: IPv4:127.0.0.1/255.255.255.255>, :label=>"lo"}>, ...]
def read_addr(opt=nil, &blk)
@rtsocket.send_request RTM_GETADDR, IFAddr.new(opt),
NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST
@rtsocket.receive_until_done(RTM_NEWADDR, &blk)
end
class Filter < BaseFilter #:nodoc:
filter(:family) { |o,v| o.family == v }
filter(:scope) { |o,v| o.scope == scope }
filter(:flags) { |o,v| (o.flags & v) == v }
filter(:noflags) { |o,v| (o.flags & v) == 0 }
filter(:index) { |o,v| o.index == v }
end
# Iterate over all addresses, or addressees matching the given
# criteria. Returns an Enumerator if no block given.
#
# The full address list is read once and memoized, so
# it is efficient to call this method multiple times.
#
# nl.addr.list { |x| p x }
# addrs_eth0 = nl.addr.list(:index=>"eth0").to_a
# addrs_eth0_v4 = nl.addr.list(:index=>"eth0", :family=>Socket::AF_INET).to_a
def list(filter=nil, &blk)
@addr ||= read_addr
filter[:index] = index(filter[:index]) if filter && filter.has_key?(:index)
filter_list(@addr, filter, &blk)
end
alias :each :list
# Return addresses grouped by interface name. e.g.
# group_by_interface(:family => Socket::AF_INET).to_a
# #=> {"eth0"=>[addr, addr,...], "lo"=>[addr, addr,...]
#
# The hash has an empty array as its default, so it's safe to do
# group_by_interface(...)["eth0"].each { |a| ... }
# even if eth0 has no addresses matching the given filter.
def group_by_interface(*filter)
res = list(*filter).group_by { |a| ifname(a.index) }
res.default = EMPTY_ARRAY
res
end
# Add an IP address to an interface
#
# require 'netlink/route'
# ip = Linux::Netlink::Route::Socket.new
# ip.addr.add(:index=>"eth0", :local=>"1.2.3.4", :prefixlen=>24)
def add(opt)
ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_EXCL, opt)
end
def change(opt)
ipaddr_modify(RTM_NEWADDR, NLM_F_REPLACE, opt)
end
def replace(opt)
ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_REPLACE, opt)
end
# Delete an IP address from an interface. Pass in either a hash of
# parameters, or an existing IFAddr object.
def delete(opt)
ipaddr_modify(RTM_DELADDR, 0, opt)
end
def ipaddr_modify(code, flags, msg) #:nodoc:
msg = IFAddr.new(msg)
msg.index = index(msg.index) unless msg.index.is_a?(Integer)
msg.address ||= msg.local
# Note: IPAddr doesn't support addresses off the subnet base,
# so there's no point trying to set msg.prefixlen from the IPAddr mask
@rtsocket.cmd code, msg, flags|NLM_F_REQUEST
clear_cache
end
end
end
end
end # module Linux

48
lib/linux/netlink/route/handler.rb Normal file
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module Linux
module Netlink
module Route
# The base class containing shared methods between all the
# NETLINK_ROUTE handler classes.
class BaseFilter #:nodoc:
def self.filter name, &blk
define_method "#{name}=" do |matchval|
@conds << [blk, matchval]
end
end
def initialize(h)
@conds = []
h.each { |k,v| send "#{k}=", v }
end
def match(obj)
!@conds.find { |blk,matchval| !blk[obj,matchval] }
end
end
# Code which is common to all the NETLINK_ROUTE handlers
class Handler
def initialize(rtsocket = Route::Socket.new)
@rtsocket = rtsocket
clear_cache
end
def index(v)
@rtsocket.index(v)
end
def ifname(v)
@rtsocket.ifname(v)
end
# Generic listing and filtering
def filter_list(data, filter, &blk)
return data.each(&blk) unless filter
return to_enum(:list, filter) unless block_given?
fm = self.class::Filter.new(filter)
data.each { |o| yield o if fm.match(o) }
end
end
end
end
end # module Linux

247
lib/linux/netlink/route/link_handler.rb Normal file
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require 'linux/netlink/route'
require 'linux/netlink/route/handler'
module Linux
module Netlink
# struct rtnl_link_stats / rtnl_link_stats64
LinkStats = Struct.new :rx_packets, :tx_packets,
:rx_bytes, :tx_bytes,
:rx_errors, :tx_errors,
:rx_dropped, :tx_dropped,
:multicast, :collisions,
:rx_length_errors, :rx_over_errors,
:rx_crc_errors, :rx_frame_errors,
:rx_fifo_errors, :rx_missed_errors,
:tx_aborted_errorsr, :tx_carrier_errors,
:tx_fifo_errors, :tx_heartbeat_errors,
:tx_window_errors,
:rx_compressed, :tx_compressed
# struct ifmap
IFMap = Struct.new :mem_start, :mem_end, :base_addr, :irq, :dma, :port
# struct ifinfomsg
class IFInfo < RtattrMessage
code RTM_NEWLINK, RTM_DELLINK, RTM_GETLINK
field :family, :uchar
field :type, :ushort # ARPHRD_*
field :index, :int
field :flags, :uint # IFF_*
field :change, :uint, :default=>0xffffffff # flags to change
rtattr :address, IFLA_ADDRESS, :l2addr
rtattr :broadcast, IFLA_BROADCAST, :l2addr
rtattr :ifname, IFLA_IFNAME, :cstring
rtattr :mtu, IFLA_MTU, :uint32
rtattr :link, IFLA_LINK, :int32
rtattr :qdisc, IFLA_QDISC, :cstring
rtattr :stats32, IFLA_STATS,
:pack => lambda { |val,obj| val.to_a.pack("L23") },
:unpack => lambda { |str,obj| LinkStats.new(*(str.unpack("L23"))) }
rtattr :cost, IFLA_COST
rtattr :master, IFLA_MASTER, :uint32
rtattr :wireless, IFLA_WIRELESS
rtattr :protinfo, IFLA_PROTINFO, :uchar
rtattr :txqlen, IFLA_TXQLEN, :uint32
IFMAP_PACK = "QQQSCC".freeze #:nodoc:
rtattr :map, IFLA_MAP,
:pack => lambda { |val,obj| val.to_a.pack(IFMAP_PACK) },
:unpack => lambda { |str,obj| IFMap.new(*(str.unpack(IFMAP_PACK))) }
rtattr :weight, IFLA_WEIGHT, :uint32
rtattr :operstate, IFLA_OPERSTATE, :uchar
rtattr :linkmode, IFLA_LINKMODE, :uchar
rtattr :linkinfo, IFLA_LINKINFO # nested
rtattr :net_ns_pid, IFLA_NET_NS_PID, :uint32
rtattr :ifalias, IFLA_IFALIAS, :cstring
rtattr :num_vf, IFLA_NUM_VF, :uint32
rtattr :vfinfo_list, IFLA_VFINFO_LIST
rtattr :stats64, IFLA_STATS64,
:pack => lambda { |val,obj| val.to_a.pack("Q23") },
:unpack => lambda { |str,obj| LinkStats.new(*(str.unpack("Q23"))) }
rtattr :vf_ports, IFLA_VF_PORTS
rtattr :port_self, IFLA_PORT_SELF
# Return the best stats available (64bit or 32bit)
def stats
stats64 || stats32
end
# Link kind for special links, e.g. "vlan" or "gre"
def kind
linkinfo && linkinfo.kind
end
# Set link kind, creating a linkinfo member if necessary. e.g.
# i = IFAddr.new
# i.kind = "vlan"
# i.linkinfo.data = VlanInfo.new(...)
def kind=(str)
self.linkinfo ||= LinkInfo.new
linkinfo.kind = str
end
def kind?(str)
kind == str
end
def after_parse #:nodoc:
self.linkinfo = LinkInfo.parse(linkinfo) if linkinfo
end
end
class LinkInfo < RtattrMessage
rtattr :kind, IFLA_INFO_KIND, :cstring
rtattr :data, IFLA_INFO_DATA # rtattr packed, see below
rtattr :xstats, :IFLA_INFO_XSTATS # don't know
def after_parse #:nodoc:
case kind
when "vlan"
self.data = VlanInfo.parse(data)
end
end
end
class VlanFlags < CStruct
field :flags, :uint32
field :mask, :uint32, :default => 0xffffffff
end
# VLAN information is packed in rtattr format (there is no corresponding 'struct')
class VlanInfo < RtattrMessage
rtattr :id, IFLA_VLAN_ID, :ushort
rtattr :flags, IFLA_VLAN_FLAGS,
:unpack => lambda { |str,obj| VlanFlags.parse(str) }
rtattr :egress_qos, IFLA_VLAN_EGRESS_QOS
rtattr :ingress_qos, IFLA_VLAN_INGRESS_QOS
end
module Route
# This class provides an API for manipulating interfaces and addresses.
# Since we frequently need to map ifname to ifindex, or vice versa,
# we keep a memoized list of interfaces. If the interface list changes,
# you should create a new instance of this object.
class LinkHandler < Handler
def clear_cache
@link = nil
@linkmap = nil
end
# Download a list of links (interfaces). Either returns an array of
# Netlink::IFInfo objects, or yields them to the supplied block.
#
# res = ip.link.read_link
# p res
# [#<Linux::Netlink::IFInfo {:family=>0, :type=>772, :index=>1,
# :flags=>65609, :change=>0, :ifname=>"lo", :txqlen=>0, :operstate=>0,
# :linkmode=>0, :mtu=>16436, :qdisc=>"noqueue", :map=>"...",
# :address=>"\x00\x00\x00\x00\x00\x00", :broadcast=>"\x00\x00\x00\x00\x00\x00",
# :stats32=>#<struct Linux::Netlink::LinkStats rx_packets=22, ...>,
# :stats64=>#<struct Linux::Netlink::LinkStats rx_packets=22, ...>}>, ...]
def read_link(opt=nil, &blk)
@rtsocket.send_request RTM_GETLINK, IFInfo.new(opt),
NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST
@rtsocket.receive_until_done(RTM_NEWLINK, &blk)
end
class Filter < BaseFilter #:nodoc:
filter(:type) { |o,v| o.type == v }
filter(:kind) { |o,v| o.kind?(v) }
filter(:flags) { |o,v| (o.flags & v) == v }
filter(:noflags) { |o,v| (o.flags & v) == 0 }
filter(:link) { |o,v| o.link == v }
end
# Iterate over all interfaces, or interfaces matching the given
# criteria. Returns an Enumerator if no block given.
#
# The full interface list is read once and memoized, so
# it is efficient to call this method multiple times.
#
# ip.link.list { |x| p x }
# ethers = ip.link.list(:type => Linux::ARPHRD_ETHER).to_a
# vlans = ip.link.list(:kind => "vlan").to_a
# ip.link.list(:flags => Linux::IFF_RUNNING)
# ip.link.list(:noflags => Linux::IFF_POINTOPOINT)
# ip.link.list(:link => "lo") # vlan etc attached to this interface
def list(filter=nil, &blk)
@link ||= read_link
filter[:link] = index(filter[:link]) if filter && filter.has_key?(:link)
filter_list(@link, filter, &blk)
end
alias :each :list
# Return a memoized Hash of interfaces, keyed by both index and name
def linkmap
@linkmap ||= (
h = {}
list { |link| h[link.index] = h[link.ifname] = link }
h
)
end
# Return details of one interface, given its name or index.
# Raises exception if unknown value.
def [](key)
linkmap.fetch(key)
end
# Add an interface (raw). e.g.
#
# require 'linux/netlink/route'
# ip = Linux::Netlink::Route::Socket.new
# ip.link.add(
# :link=>"lo",
# :linkinfo=>Linux::Netlink::LinkInfo.new(
# :kind=>"vlan",
# :data=>Linux::Netlink::VlanInfo.new(
# :id=>1234,
# :flags => Linux::Netlink::VlanFlags.new(
# :flags=>Linux::VLAN_FLAG_LOOSE_BINDING,
# :mask=>0xffffffff
# ))))
def add(opt)
iplink_modify(RTM_NEWLINK, NLM_F_CREATE|NLM_F_EXCL, opt)
end
def change(opt)
iplink_modify(RTM_NEWLINK, NLM_F_REPLACE, opt)
end
def replace(opt)
iplink_modify(RTM_NEWLINK, NLM_F_CREATE|NLM_F_REPLACE, opt)
end
# Delete an existing link. Pass in ifname or index, or options
# hash {:index=>n}
def delete(opt)
case opt
when Integer
opt = {:index=>opt}
when String
opt = {:index=>index(opt)}
end
iplink_modify(RTM_DELLINK, 0, opt)
end
def iplink_modify(code, flags, msg) #:nodoc:
msg = IFInfo.new(msg)
if (flags & NLM_F_CREATE) != 0
raise "Missing :linkinfo" unless msg.linkinfo
raise "Missing :kind" unless msg.linkinfo.kind
else
raise "Missing :index" if msg.index.nil? || msg.index == 0
end
msg.index = index(msg.index) if msg.index.is_a?(String)
msg.link = index(msg.link) if msg.link.is_a?(String)
@rtsocket.cmd code, msg, flags|NLM_F_REQUEST
clear_cache
end
end
end
end
end # module Linux

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lib/linux/netlink/route/route_handler.rb Normal file
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require 'linux/netlink/route'
require 'linux/netlink/route/handler'
module Linux
module Netlink
# struct rta_cacheinfo
RTACacheInfo = Struct.new :clntref, :lastuse, :expires, :error, :used, :id, :ts, :tsage
# struct rtmsg
class RT < RtattrMessage
code RTM_NEWROUTE, RTM_DELROUTE, RTM_GETROUTE
field :family, :uchar # Socket::AF_*
field :dst_len, :uchar
field :src_len, :uchar
field :tos, :uchar
field :table, :uchar # table id or RT_TABLE_*
field :protocol, :uchar # RTPROT_*
field :scope, :uchar # RT_SCOPE_*
field :type, :uchar # RTN_*
field :flags, :uint # RTM_F_*
rtattr :dst, RTA_DST, :l3addr
rtattr :src, RTA_SRC, :l3addr
rtattr :iif, RTA_IIF, :uint32
rtattr :oif, RTA_OIF, :uint32
rtattr :gateway, RTA_GATEWAY, :l3addr
rtattr :priority, RTA_PRIORITY, :uint32
rtattr :prefsrc, RTA_PREFSRC, :l3addr
rtattr :metrics, RTA_METRICS,
:unpack => lambda { |str,obj| RTAMetrics.parse(str) }
rtattr :multipath, RTA_MULTIPATH
rtattr :flow, RTA_FLOW
rtattr :cacheinfo, RTA_CACHEINFO,
:pack => lambda { |val,obj| val.to_a.pack("L*") },
:unpack => lambda { |str,obj| RTACacheInfo.new(*(str.unpack("L*"))) }
rtattr :table2, RTA_TABLE, :uint32 # NOTE: table in two places!
end
class RTAMetrics < RtattrMessage
rtattr :lock, RTAX_LOCK, :uint32
rtattr :mtu, RTAX_MTU, :uint32
rtattr :window, RTAX_WINDOW, :uint32
rtattr :rtt, RTAX_RTT, :uint32
rtattr :rttvar, RTAX_RTTVAR, :uint32
rtattr :ssthresh, RTAX_SSTHRESH, :uint32
rtattr :cwnd, RTAX_CWND, :uint32
rtattr :advmss, RTAX_ADVMSS, :uint32
rtattr :reordering, RTAX_REORDERING, :uint32
rtattr :hoplimit, RTAX_HOPLIMIT, :uint32
rtattr :initcwnd, RTAX_INITCWND, :uint32
rtattr :features, RTAX_FEATURES, :uint32
rtattr :rto_min, RTAX_RTO_MIN, :uint32
rtattr :initrwnd, RTAX_INITRWND, :uint32
end
module Route
# This class manipulates the kernel routing table
class RouteHandler < Handler
def clear_cache
@route = nil
end
# Send message to download the kernel routing table. Either returns an
# array of Netlink::RT objects, or yields them to the supplied block.
#
# A hash of kernel options may be supplied, but you might also have
# to perform your own filtering. e.g.
# read_route(:family=>Socket::AF_INET) # works
# read_route(:protocol=>Linux::RTPROT_STATIC) # ignored
#
# res = ip.route.read_route(:family => Socket::AF_INET)
# p res
# [#<Linux::Netlink::RT {:family=>2, :dst_len=>32, :src_len=>0, :tos=>0,
# :table=>255, :protocol=>2, :scope=>253, :type=>3, :flags=>0, :table2=>255,
# :dst=>#<IPAddr: IPv4:127.255.255.255/255.255.255.255>,
# :prefsrc=>#<IPAddr: IPv4:127.0.0.1/255.255.255.255>, :oif=>1}>, ...]
#
# Note that not all attributes will always be present. In particular,
# a defaultroute (dst_len=0) misses out the dst address completely:
#
# [#<Linux::Netlink::RT {:family=>2, :dst_len=>0, :src_len=>0, :tos=>0,
# :table=>254, :protocol=>4, :scope=>0, :type=>1, :flags=>0, :table2=>254,
# :gateway=>#<IPAddr: IPv4:10.69.255.253/255.255.255.255>, :oif=>2}>, ...]
def read_route(opt=nil, &blk)
@rtsocket.send_request RTM_GETROUTE, RT.new(opt),
NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST
@rtsocket.receive_until_done(RTM_NEWROUTE, &blk)
end
class Filter < BaseFilter #:nodoc:
filter(:family) { |o,v| o.family == v }
filter(:table) { |o,v| o.table == v }
filter(:protocol) { |o,v| o.protocol == v }
filter(:type) { |o,v| o.type == v }
filter(:scope) { |o,v| o.scope == v }
filter(:flags) { |o,v| (o.flags & v) == v }
filter(:noflags) { |o,v| (o.flags & v) == 0 }
filter(:oif) { |o,v| o.oif == v }
filter(:iif) { |o,v| o.iif == v }
end
# Return the memoized route table, filtered according to
# the optional criteria. Examples:
# :family => Socket::AF_INET
# :table => Linux::RT_TABLE_DEFAULT
# :protocol => Linux::RTPROT_STATIC
# :type => Linux::RTN_UNICAST
# :scope => Linux::RT_SCOPE_HOST
# :flags => Linux::RTM_F_NOTIFY
# :noflags => Linux::RTM_F_CLONED
# :oif => "eth0"
# :iif => "eth1"
def list(filter=nil, &blk)
@route ||= read_route
filter[:oif] = index(filter[:oif]) if filter && filter.has_key?(:oif)
filter[:iif] = index(filter[:iif]) if filter && filter.has_key?(:iif)
filter_list(@route, filter, &blk)
end
alias :each :list
def add(opt)
iproute_modify(RTM_NEWROUTE, NLM_F_CREATE|NLM_F_EXCL, opt)
end
def change(opt)
iproute_modify(RTM_NEWROUTE, NLM_F_REPLACE, opt)
end
def replace(opt)
iproute_modify(RTM_NEWROUTE, NLM_F_CREATE|NLM_F_REPLACE, opt)
end
def prepend(opt)
iproute_modify(RTM_NEWROUTE, NLM_F_CREATE, opt)
end
def append(opt)
iproute_modify(RTM_NEWROUTE, NLM_F_CREATE|NLM_F_APPEND, opt)
end
def test(opt)
iproute_modify(RTM_NEWROUTE, NLM_F_EXCL, opt)
end
def delete(opt)
iproute_modify(RTM_DELROUTE, 0, opt)
end
# Get route matching given criteria
def get(msg)
msg = RT.new(msg)
raise "Missing :dst" unless msg.dst
msg.iif = index(msg.iif) if msg.iif.is_a?(String)
msg.oif = index(msg.oif) if msg.oif.is_a?(String)
@rtsocket.cmd RTM_GETROUTE, msg, NLM_F_REQUEST, RTM_NEWROUTE
end
def iproute_modify(code, flags, msg) #:nodoc:
msg = RT.new(msg)
if code != RTM_DELROUTE
msg.protocol ||= RTPROT_BOOT
msg.type ||= RTN_UNICAST
end
# There is scary code in ip/iproute.c for setting defaults
unless msg.table
msg.table = case msg.type
when RTN_LOCAL, RTN_BROADCAST, RTN_NAT, RTN_ANYCAST
RT_TABLE_LOCAL
else
RT_TABLE_MAIN
end
end
unless msg.scope
msg.scope = (code != RTM_DELROUTE) ? RT_SCOPE_UNIVERSE : RT_SCOPE_NOWHERE
case msg.type
when RTN_LOCAL, RTN_NAT
msg.scope = RT_SCOPE_HOST
when RTN_BROADCAST, RTN_MULTICAST, RTN_ANYCAST
msg.scope RT_SCOPE_LINK
when RTN_UNICAST, RTN_UNSPEC
if code == RTM_DELROUTE
msg.scope = RT_SCOPE_NOWHERE
elsif !msg.gateway && !msg.multipath
msg.scope = RT_SCOPE_LINK
end
end
end
msg.iif = index(msg.iif) if msg.iif.is_a?(String)
msg.oif = index(msg.oif) if msg.oif.is_a?(String)
@rtsocket.cmd code, msg, flags|NLM_F_REQUEST
clear_cache
end
end
end
end
end # module Linux

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lib/linux/netlink/route/vlan_handler.rb Normal file
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require 'linux/netlink/route'
require 'linux/netlink/route/handler'
module Linux
module Netlink
module Route
class VlanHandler < Handler
def clear_cache
# No cache
end
def list(filter={}, &blk)
@rtsocket.link.list(filter.merge(:kind=>"vlan"))
end
alias :each :list
# Higher-level API to manipulate VLAN interface.
# nl.vlans.add(
# :link=>"lo",
# :vlan_id=>1234,
# :vlan_flags=>Linux::VLAN_FLAG_LOOSE_BINDING,
# :vlan_mask=>0xffffffff
# )
def add(opt)
@rtsocket.link.add(vlan_options(opt))
end
def change(opt)
@rtsocket.link.change(vlan_options(opt))
end
def replace(opt)
@rtsocket.link.replace(vlan_options(opt))
end
# Delete vlan given :link and :vlan_id. If you want to delete
# by :index then call link.delete instead.
def delete(opt)
raise "Missing vlan_id" unless opt[:vlan_id]
raise "Missing link" unless opt[:link]
link = list(:link=>opt[:link]).find { |l|
l.linkinfo.data &&
l.linkinfo.data.id == opt[:vlan_id]
}
raise Errno::ENODEV unless link
@rtsocket.link.delete(link.index)
end
def vlan_options(orig) #:nodoc:
opt = orig.dup
opt[:link] = index(opt.fetch(:link))
li = opt[:linkinfo] ||= LinkInfo.new
li.kind = "vlan"
li.data ||= VlanInfo.new
li.data.id = opt.delete(:vlan_id) if opt.has_key?(:vlan_id)
if opt.has_key?(:vlan_flags)
li.data.flags ||= VlanFlags.new(:flags => opt.delete(:vlan_flags))
li.data.flags.mask = opt.delete(:vlan_mask) if opt.has_key?(:vlan_mask)
end
li.data.egress_qos = opt.delete(:egress_qos) if opt.has_key?(:egress_qos)
li.data.ingress_qos = opt.delete(:ingress_qos) if opt.has_key?(:ingress_qos)
opt
end
end
end
end
end # module Linux