New upstream release

.gitlab-ci.yml

@@ -1,45 +0,0 @@
-stages:
-  - package
-  - publish
-
-package:jessie:gem:
-  image: $CI_REGISTRY/docker-images/layers:$DISTRO-ruby
-  stage: package
-  variables:
-    DISTRO: jessie
-    GEMFILE: netlinkrb.gemspec
-  script:
-    - sysctl -a | grep ipv6
-    - ip -6 a
-    - package
-  artifacts:
-    paths:
-    - pkg/
- 
-package:jessie: &package
-  image: $CI_REGISTRY/docker-images/layers:$DISTRO-deb
-  stage: package
-  variables:
-    DISTRO: jessie
-  script:
-    - package
-  artifacts:
-    paths:
-      - pkg/
-
-package:stretch:
-  <<: *package
-  variables:
-    DISTRO: stretch
-
-package:wheezy:
-  <<: *package
-  variables:
-    DISTRO: wheezy
-
-publish:
-  image: $CI_REGISTRY/docker-images/layers:jessie-publish
-  stage: publish
-  script:
-    - publish
-

.hgignore

@@ -1,7 +1,6 @@
-^debian/ruby-linux-netlink$
+^debian/liblinux-netlink-ruby(1.8|1.9.1)?$
 ~$
 ^.config-liblinux-netlink-ruby
-^.pc/
 ^debian/files$
 ^debian/.*\.substvars$
 ^debian/.*\.debhelper.log$

debian/changelog

@@ -1,82 +1,26 @@
-ruby-linux-netlink (0.19-1) stable; urgency=medium
-
-  * The size of size_t is now calculated from the size of an unsigned long
-    int, instead of calling gcc.
-
- -- Patrick J Cherry <patrick@bytemark.co.uk>  Wed, 10 May 2017 15:24:42 +0100
-
-ruby-linux-netlink (0.18-2) stable; urgency=medium
-
-  * This package is now architecture independent.
-  * The source format has been removed in favour of using dh --with quilt.
-
- -- Patrick J Cherry <patrick@bytemark.co.uk>  Tue, 28 Feb 2017 16:43:43 +0000
-
-ruby-linux-netlink (0.18-1+jessie1) stable; urgency=medium
-
-  * Fixed new massive IP test thing to work with ruby1.8 and also non-root users
-  * Make sure link exists before proceeding with test
-  * Scaled back the massive allocation of IPs from 11 /24s to 4.
-  * Updated linux header constants
-  * Updated to 0.18
-
- -- Patrick J Cherry <patrick@bytemark.co.uk>  Mon, 17 Oct 2016 13:09:35 +0100
-
-ruby-linux-netlink (0.17-1+jessie1) testing; urgency=medium
-
-  * New upstream release
-
- -- Patrick J Cherry <patrick@bytemark.co.uk>  Wed, 01 Apr 2015 22:51:34 +0100
-
-ruby-linux-netlink (0.16-1+jessie1) testing; urgency=medium
-
-  * Repackaged for jessie
-
- -- Patrick J Cherry <patrick@bytemark.co.uk>  Wed, 01 Apr 2015 17:39:44 +0100
-
-ruby-linux-netlink (0.16-1+wheezy1) stable; urgency=medium
+linux-netlink-ruby (0.14-1+squeeze1) oldstable; urgency=low
 
   * New upstream release.
 
- -- Patrick J Cherry <patch@dynamo>  Tue, 26 Aug 2014 16:33:48 +0100
+ -- Patrick J Cherry <patrick@bytemark.co.uk>  Thu, 14 Nov 2013 11:59:05 +0000
 
-ruby-linux-netlink (0.15-1+wheezy1) stable; urgency=low
+linux-netlink-ruby (0.13-1+squeeze1) oldstable; urgency=low
 
   * New upstream release.
 
- -- Patrick J Cherry <patrick@bytemark.co.uk>  Tue, 21 Jan 2014 10:01:20 +0000
+ -- Patrick J Cherry <patrick@bytemark.co.uk>  Wed, 13 Nov 2013 16:15:43 +0000
 
-ruby-linux-netlink (0.14-1+wheezy1) stable; urgency=low
+linux-netlink-ruby (0.12-1+squeeze1) oldstable; urgency=low
 
   * New upstream release.
 
- -- Patrick J Cherry <patrick@bytemark.co.uk>  Thu, 14 Nov 2013 13:37:28 +0000
+ -- Patrick J Cherry <patrick@bytemark.co.uk>  Thu, 12 Sep 2013 14:28:10 +0100
 
-ruby-linux-netlink (0.13-1+wheezy1) stable; urgency=low
+linux-netlink-ruby (0.11-1+squeeze1) oldstable; urgency=low
 
-  * New upstream release.
+  * New upstream version.
 
- -- Patrick J Cherry <patrick@bytemark.co.uk>  Wed, 13 Nov 2013 16:16:36 +0000
-
-ruby-linux-netlink (0.12-1+wheezy1) stable; urgency=low
-
-  * New upstream release.
-
- -- Patrick J Cherry <patrick@bytemark.co.uk>  Thu, 12 Sep 2013 14:26:41 +0100
-
-ruby-linux-netlink (0.11-1+wheezy2) stable; urgency=low
-
-  * Switch to dpkg-source 3.0 (quilt) format.
-  * Added patch to remove rubygems requires.
-  * Renamed source package to fit in with the new guidelines.
-
- -- Patrick J Cherry <patrick@bytemark.co.uk>  Fri, 05 Jul 2013 14:16:30 +0100
-
-linux-netlink-ruby (0.11-1+wheezy1) stable; urgency=low
-
-  * New upstream version, repackaged for wheezy.
-
- -- Patrick J Cherry <patrick@bytemark.co.uk>  Fri, 05 Jul 2013 14:16:05 +0100
+ -- Patrick J Cherry <patrick@bytemark.co.uk>  Fri, 05 Jul 2013 13:52:09 +0100
 
 linux-netlink-ruby (0.10-6) stable; urgency=low
 

debian/control

@@ -1,18 +1,39 @@
-Source: ruby-linux-netlink
+Source: linux-netlink-ruby
 Maintainer: Matthew Bloch <matthew@bytemark.co.uk>
 Uploaders: Patrick J Cherry <patrick@bytemark.co.uk>
 Section: ruby
 Priority: optional
-Build-Depends:  debhelper (>= 7), gem2deb, rake, ruby-ffi, quilt
+Build-Depends:  debhelper (>= 7), cdbs, ruby1.8, ruby1.9.1, ruby-pkg-tools, rake
 Standards-Version: 3.8.0
-XS-Ruby-Versions: all 
 
-Package: ruby-linux-netlink
+Package: liblinux-netlink-ruby
 Architecture: all
-Depends: ruby | ruby-interpreter, ruby-ffi, ${misc:Depends}
-Provides: liblinux-netlink-ruby1.8, liblinux-netlink-ruby1.9.1
-XB-Ruby-Versions: ${ruby:Versions}
+Depends: liblinux-netlink-ruby1.8 | liblinux-netlink-ruby1.9.1, ${misc:Depends}
 Description: Netlink socket library for Ruby
  This library provides an API for using a Linux Netlink socket, for doing
  things like manipulating IP interfaces and routes programmatically, and
  capturing packets from ULOG.
+ .
+ This is the metapackage for all versions of Ruby.
+
+Package: liblinux-netlink-ruby1.8
+Architecture: any
+Depends: ruby1.8 (>= 1.8.7), libffi-ruby1.8, ${misc:Depends}
+Description: Netlink socket library for Ruby 1.8
+ This library provides an API for using a Linux Netlink socket, for doing
+ things like manipulating IP interfaces and routes programmatically, and
+ capturing packets from ULOG.
+ .
+ This is the version for Ruby 1.8.7.
+ 
+
+Package: liblinux-netlink-ruby1.9.1
+Architecture: any
+Depends: ruby1.9.1, libffi-ruby1.9.1, ${misc:Depends}
+Description: Netlink socket library for Ruby 1.9.1
+ This library provides an API for using a Linux Netlink socket, for doing
+ things like manipulating IP interfaces and routes programmatically, and
+ capturing packets from ULOG.
+ .
+ This is the version for Ruby 1.9.1.
+

debian/liblinux-netlink-ruby1.9.1.examples

@@ -0,0 +1 @@
+examples/*

debian/patches/remove-rubygems-requirements

@@ -1,32 +0,0 @@
-Removed "require rubygems" from everywhere.
---- a/lib/linux/iptables.rb
-+++ b/lib/linux/iptables.rb
-@@ -1,11 +1,6 @@
- require 'socket'
- require 'linux/constants'
--
--begin
--  require 'ffi'
--rescue LoadError
--  require('rubygems') ? retry : raise
--end
-+require 'ffi'
- 
- 
- # Good things about FFI::Struct:
---- a/lib/linux/sendmsg.rb
-+++ b/lib/linux/sendmsg.rb
-@@ -1,12 +1,7 @@
- # Patchup to add Socket#sendmsg and Socket#recvmsg for ruby 1.8
- 
- if BasicSocket.instance_methods.grep(/^sendmsg$/).empty?
--  begin
--    require 'ffi'
--  rescue LoadError
--    require('rubygems') ? retry : raise
--  end
--
-+  require 'ffi'
-     
-   class BasicSocket
-     module FFIExt

debian/patches/series

@@ -1 +0,0 @@
-remove-rubygems-requirements

debian/ruby-test-files.yaml

@@ -1,2 +0,0 @@
----
-- test/t_route.rb

debian/rules

@@ -1,23 +1,11 @@
 #!/usr/bin/make -f
 #
-# export DH_VERBOSE=1
-#
-# Uncomment to ignore all test failures (but the tests will run anyway)
-# export DH_RUBY_IGNORE_TESTS=all
-#
-# Uncomment to ignore some test failures (but the tests will run anyway).
-# Valid values:
-# export DH_RUBY_IGNORE_TESTS=ruby1.8 ruby1.9.1 require-rubygems
-#
-# If you need to specify the .gemspec (eg there is more than one)
-# export DH_RUBY_GEMSPEC=gem.gemspec
 
-%:
-	dh $@ --buildsystem=ruby --with ruby --with quilt
+include /usr/share/cdbs/1/rules/debhelper.mk
+include /usr/share/ruby-pkg-tools/1/class/ruby-setup-rb.mk
 
-override_dh_auto_build-arch:
+makebuilddir::
 	rake lib/linux/c_struct_sizeof_size_t.rb
 
-override_dh_auto_clean:
+clean::
 	rake clean
-

lib/linux/c_struct.rb

@@ -82,8 +82,8 @@ class CStruct
   begin
     require 'linux/c_struct_sizeof_size_t.rb'
   rescue LoadError
-    warn "netlinkrb: Assuming size_t is a long unsigned int." if $DEBUG
-    SIZEOF_SIZE_T = [0].pack("L_").bytesize
+    warn "Falling back to gcc to determine sizeof size_t." if $VERBOSE
+    SIZEOF_SIZE_T = Integer(`echo __SIZEOF_SIZE_T__ | gcc -E -P -`) rescue 1.size
   end
 
   define_type :size_t,

lib/linux/constants.rb

@@ -36,7 +36,6 @@ module Linux
   NLM_F_ACK		= 4
   NLM_F_ECHO		= 8
   NLM_F_DUMP_INTR = 16
-  NLM_F_DUMP_FILTERED = 32
   NLM_F_ROOT		= 0x100
   NLM_F_MATCH		= 0x200
   NLM_F_ATOMIC		= 0x400
@@ -54,8 +53,6 @@ module Linux
   NLMSG_DONE		= 0x3
   NLMSG_OVERRUN		= 0x4
 
-  NLMSG_MIN_TYPE = 0x10
-
   NETLINK_ADD_MEMBERSHIP	= 1
   NETLINK_DROP_MEMBERSHIP	= 2
   NETLINK_PKTINFO		= 3
@@ -63,9 +60,6 @@ module Linux
   NETLINK_NO_ENOBUFS		= 5
   NETLINK_RX_RING	= 6
   NETLINK_TX_RING = 7
-  NETLINK_LISTEN_ALL_NSID = 8
-  NETLINK_LIST_MEMBERSHIPS = 9
-  NETLINK_CAP_ACK = 10
 
   NETLINK_UNCONNECTED		= 0
   NETLINK_CONNECTED		= 1
@@ -77,7 +71,6 @@ module Linux
   NLA_ALIGNTO			= 4	# same on i686 and x86_64
 
   # from linux/rtnetlink.h.
-  RTM_BASE      = 16
   RTM_NEWLINK		= 16
   RTM_DELLINK		= 17
   RTM_GETLINK		= 18
@@ -140,12 +133,6 @@ module Linux
   RTM_DELMDB = 85
   RTM_GETMDB = 86
 
-  RTM_NEWNSID = 88
-  RTM_DELNSID = 89
-  RTM_GETNSID = 90
-
-  RTM_NEWSTATS = 92
-  RTM_GETSTATS = 94
 
   # RT#type
   RTN_UNSPEC		= 0
@@ -177,7 +164,6 @@ module Linux
   RTPROT_NTK		= 15
   RTPROT_DHCP		= 16
   RTPROT_MROUTED = 17
-  RTPROT_BABEL = 42
 
   # RT#scope, IFAddr#scope
   RT_SCOPE_UNIVERSE	= 0
@@ -191,7 +177,6 @@ module Linux
   RTM_F_CLONED		= 0x200
   RTM_F_EQUALIZE	= 0x400
   RTM_F_PREFIX		= 0x800
-  RTM_F_LOOKUP_TABLE = 0x1000
 
   # RT#table (reserved values)
   RT_TABLE_UNSPEC	= 0
@@ -216,21 +201,11 @@ module Linux
   RTA_TABLE		= 15
   RTA_MARK		= 16
   RTA_MFC_STATS = 17
-  RTA_VIA = 18
-  RTA_NEWDST = 19
-  RTA_PREF = 20
-  RTA_ENCAP_TYPE = 21
-  RTA_ENCAP = 22
-  RTA_EXPIRES = 23
-  RTA_PAD = 24
 
   # Keys for RT#nh_flags
   RTNH_F_DEAD	    = 1    # Nexthop is dead (used by multipath)
   RTNH_F_PERVASIVE	= 2  # Do recursive gateway lookup
   RTNH_F_ONLINK    = 4   # Gateway is forced on link
-  RTNH_F_OFFLOAD   = 8   # offloaded route
-  RTNH_F_LINKDOWN  = 16  # carrier-down on nexthop
-
 
   # Keys for RT#metrics
   RTAX_UNSPEC		= 0
@@ -249,7 +224,6 @@ module Linux
   RTAX_RTO_MIN		= 13
   RTAX_INITRWND		= 14
   RTAX_QUICKACK   = 15
-  RTAX_CC_ALGO    = 16
 
   # from linux/if_link.h
   IFLA_UNSPEC		= 0
@@ -287,14 +261,6 @@ module Linux
   IFLA_NUM_RX_QUEUES    = 32
   IFLA_CARRIER          = 33
   IFLA_PHYS_PORT_ID  = 34
-  IFLA_CARRIER_CHANGES = 35
-  IFLA_PHYS_SWITCH_ID = 36
-  IFLA_LINK_NETNSID = 37
-  IFLA_PHYS_PORT_NAME = 38
-  IFLA_PROTO_DOWN = 39
-  IFLA_GSO_MAX_SEGS = 40
-  IFLA_GSO_MAX_SIZE = 41
-  IFLA_PAD = 42
 
   BRIDGE_MODE_UNSPEC = 0
   BRIDGE_MODE_HAIRPIN = 1
@@ -309,30 +275,12 @@ module Linux
   IFLA_BRPORT_FAST_LEAVE    = 7 # multicast fast leave
   IFLA_BRPORT_LEARNING      = 8 # mac learning
   IFLA_BRPORT_UNICAST_FLOOD = 9 # flood unicast traffic
-  IFLA_BRPORT_PROXYARP      = 10 # proxy ARP
-  IFLA_BRPORT_LEARNING_SYNC = 11 # mac learning sync from device
-  IFLA_BRPORT_PROXYARP_WIFI = 12 # proxy ARP for Wi-Fi
-  IFLA_BRPORT_ROOT_ID       = 13 # designated root
-  IFLA_BRPORT_BRIDGE_ID     = 14 # designated bridge
-  IFLA_BRPORT_DESIGNATED_PORT = 15
-  IFLA_BRPORT_DESIGNATED_COST = 16
-  IFLA_BRPORT_ID = 17
-  IFLA_BRPORT_NO = 18
-  IFLA_BRPORT_TOPOLOGY_CHANGE_ACK = 19
-  IFLA_BRPORT_CONFIG_PENDING = 20
-  IFLA_BRPORT_MESSAGE_AGE_TIMER = 21
-  IFLA_BRPORT_FORWARD_DELAY_TIMER = 22
-  IFLA_BRPORT_HOLD_TIMER = 23
-  IFLA_BRPORT_FLUSH = 24
-  IFLA_BRPORT_MULTICAST_ROUTER = 25
-  IFLA_BRPORT_PAD = 26
 
   IFLA_INFO_UNSPEC	= 0
   IFLA_INFO_KIND	= 1	# "vlan", "gre" etc
   IFLA_INFO_DATA	= 2	# packed rtattrs specific to type, e.g. vlan
   IFLA_INFO_XSTATS	= 3
 
-
   # INFO_DATA for INFO_KIND == "vlan"
   IFLA_VLAN_UNSPEC	= 0
   IFLA_VLAN_ID		= 1	# ushort
@@ -347,16 +295,11 @@ module Linux
   IFLA_MACVLAN_UNSPEC	= 0
   IFLA_MACVLAN_MODE	= 1
   IFLA_MACVLAN_FLAGS	= 2
-  IFLA_MACVLAN_MACADDR_MODE = 3
-  IFLA_MACVLAN_MACADDR = 4
-  IFLA_MACVLAN_MACADDR_DATA = 5
-  IFLA_MACVLAN_MACADDR_COUNT = 6
 
-  MACVLAN_MODE_PRIVATE  = 1 # don't talk to other macvlans
-  MACVLAN_MODE_VEPA  = 2 # talk to other ports through ext bridge
-  MACVLAN_MODE_BRIDGE  = 4 # talk to bridge ports directly
-  MACVLAN_MODE_PASSTHRU  = 8 # take over the underlying device
-  MACVLAN_MODE_SOURCE = 16 # use source MAC address list to assign
+  MACVLAN_MODE_PRIVATE	= 1
+  MACVLAN_MODE_VEPA	= 2
+  MACVLAN_MODE_BRIDGE	= 4
+  MACVLAN_MODE_PASSTHRU	= 8
 
   # TODO: VXLAN and VF stuff is missing here
 
@@ -375,7 +318,6 @@ module Linux
   IFA_ANYCAST		= 5
   IFA_CACHEINFO		= 6
   IFA_MULTICAST		= 7
-  IFA_FLAGS       = 8
 
   IFA_F_SECONDARY	= 0x01
   IFA_F_TEMPORARY	= IFA_F_SECONDARY
@@ -386,10 +328,6 @@ module Linux
   IFA_F_DEPRECATED	= 0x20
   IFA_F_TENTATIVE	= 0x40
   IFA_F_PERMANENT	= 0x80
-  IFA_F_MANAGETEMPADDR = 0x100
-  IFA_F_NOPREFIXROUTE  = 0x200
-  IFA_F_MCAUTOJOIN     = 0x400
-  IFA_F_STABLE_PRIVACY = 0x800
 
   # from linux/if_arp.h - selected subset
   ARPHRD_NETROM		= 0
@@ -451,10 +389,8 @@ module Linux
   NF_INET_NUMHOOKS	= 5
 
   NFPROTO_UNSPEC	= 0
-  NFPROTO_INET    = 1
   NFPROTO_IPV4		= 2
   NFPROTO_ARP		= 3
-  NFPROTO_NETDEV = 5
   NFPROTO_BRIDGE	= 7
   NFPROTO_IPV6		= 10
   NFPROTO_DECNET	= 12

lib/linux/netlink/message.rb

@@ -187,7 +187,7 @@ module Netlink
             warn "Duplicate attribute #{name} (#{code}): #{attrs[name].inspect} -> #{val.inspect}" if attrs[name]
             attrs[name] = val
           else
-            warn "Unknown attribute #{code}, in class #{self}, value #{val.inspect}" if $DEBUG
+            warn "Unknown attribute #{code}, in class #{self}, value #{val.inspect}"
             attrs[code] = val
           end
         end

lib/linux/netlink/nlsocket.rb

@@ -25,7 +25,7 @@ module Netlink
     # Check the sockaddr on a received message. Raises an error if the AF
     # is not AF_NETLINK or the PID is not 0 (this is important for security)
     def self.check_sockaddr(str)
-      af, _, pid, _ = str.unpack(SOCKADDR_PACK)
+      af, pad, pid, groups = str.unpack(SOCKADDR_PACK)
       raise "Bad AF #{af}!" if af != Socket::AF_NETLINK
       raise "Bad PID #{pid}!" if pid != 0
     end
@@ -58,16 +58,14 @@ module Netlink
     #   :timeout => N (seconds, default to DEFAULT_TIMEOUT. Pass nil for no timeout)
     #   :junk_handler => lambda { ... } for unexpected packets
     def initialize(opt)
-      @socket = opt[:socket] || ::Socket.new(
+      @socket ||= opt[:socket] || ::Socket.new(
         Socket::AF_NETLINK,
         Socket::SOCK_DGRAM,
         opt[:protocol] || (raise "Missing :protocol")
       )
       @socket.bind(NLSocket.sockaddr(opt)) unless opt[:socket]
       @seq = opt[:seq] || Time.now.to_i
-
-      @pid = @socket.getsockname.unpack(SOCKADDR_PACK)[2]
-
+      @pid = opt[:pid] || $$
       @timeout = opt.has_key?(:timeout) ? opt[:timeout] : DEFAULT_TIMEOUT
       if opt.has_key?(:junk_handler)
         @junk_handler = opt[:junk_handler]
@@ -137,8 +135,8 @@ module Netlink
     # (Compare: rtnl_talk in lib/libnetlink.c, with answer=NULL)
     def cmd(type, msg, flags=NLM_F_REQUEST, resp_type=NLMSG_ERROR, timeout=@timeout, sockaddr=SOCKADDR_DEFAULT)
       send_request(type, msg, flags|NLM_F_ACK, sockaddr)
-      receive_responses(true, timeout) do |rtype,rmsg|
-        return rmsg if rtype == resp_type
+      receive_responses(true, timeout) do |type,msg|
+        return msg if type == resp_type
         false
       end
     end
@@ -146,7 +144,7 @@ module Netlink
     # Discard all waiting messages
     def drain
       while select([@socket], nil, nil, 0)
-        mesg, _, _, _ = @socket.recvmsg
+        mesg, sender, rflags, controls = @socket.recvmsg
         raise EOFError unless mesg
       end
     end
@@ -211,7 +209,7 @@ module Netlink
     # kernel closes the socket.
     def recvmsg(timeout=@timeout)
       if select([@socket], nil, nil, timeout)
-        mesg, sender, _, _ = @socket.recvmsg
+        mesg, sender, rflags, controls = @socket.recvmsg
         raise EOFError unless mesg
         sender = sender.to_sockaddr if sender.respond_to? :to_sockaddr
         NLSocket.check_sockaddr(sender)

lib/linux/netlink/route/addr_handler.rb

@@ -24,10 +24,6 @@ module Netlink
         :pack   => lambda { |val,obj| val.to_a.pack("L*") },
         :unpack => lambda { |str,obj| IFACacheInfo.new(*(str.unpack("L*"))) }
     rtattr :multicast, IFA_MULTICAST, :l3addr
-
-    # TODO: is there any difference between flags and ifa_flags? The latter only
-    # shows up on newer kernels
-    rtattr :ifa_flags, IFA_FLAGS, :uint
   end
 
   module Route

netlinkrb.gemspec

@@ -5,9 +5,9 @@ $:.unshift lib unless $:.include? lib
 
 Gem::Specification.new do |s|
   s.name = "netlinkrb"
-  s.version = "0.18"
+  s.version = "0.12"
   s.platform = Gem::Platform::RUBY
-  s.authors = ["Brian Candler", "Matthew Bloch", "Patrick Cherry", "Alex Young", "Nicholas Thomas"]
+  s.authors = ["Brian Candler", "Matthew Bloch", "Patrick Cherry", "Alex Young"]
   s.email = ["matthew@bytemark.co.uk"]
   s.summary = "Interface to Linux' Netlink API"
   s.description = "Ruby native interface to the Netlink API which avoids shelling out to command-line tools as much as possible."

test/t_route.rb

@@ -1,6 +1,10 @@
-require File.expand_path( File.join(File.dirname(__FILE__), 'test_helper') )
+require File.join(File.dirname(__FILE__), 'test_helper')
 require 'linux/netlink/route'
 
+# Note: multiple sockets bound to the same PID seem to cause timeout problems.
+# (Should we use different algorithm for generating the PID? PID + seq?)
+$ip ||= Linux::Netlink::Route::Socket.new
+
 #
 # Ruby 1.8.7 appears to lack the KeyError constant.
 #
@@ -11,7 +15,7 @@ end
 class TestAddr < Test::Unit::TestCase
   context "With netlink route socket" do
     setup do
-      @ip =  Linux::Netlink::Route::Socket.new
+      @ip = $ip
       @ifname = nil
     end
 
@@ -21,52 +25,12 @@ class TestAddr < Test::Unit::TestCase
       rescue KeyError, IndexError
         # Do nothing
       end
-
-      @ip.close
     end
 
     test "Read link type" do
       assert_equal Linux::ARPHRD_LOOPBACK, @ip.link["lo"].type
     end
 
-    test "Both sockets work if two are open at the same time" do
-      begin
-        @ip2 = Linux::Netlink::Route::Socket.new
-
-        assert_kind_of Enumerable, @ip.route.list
-        assert_kind_of Enumerable, @ip2.route.list
-      ensure
-        @ip2.close
-      end
-    end
-
-    test "massively parallel IP address addition" do
-      @ifname = create_test_interface
-      return if @ifname.nil?
-      
-      link = @ip.link.list.find{|x| x.ifname == @ifname} 
-      return if link.nil?
-
-      ips = (10..13).map {|y| (1..254).map {|z| "10.100.#{y}.#{z}" } }.flatten.compact
-
-      threads = ips.map {|ip|
-        Thread.new {
-          Linux::Netlink::Route::Socket.new.addr.add(
-            :index => @ifname,
-            :local => ip,
-            :prefixlen => 8
-          )
-        }
-      }
-
-      threads.map{|t| t.join }
-
-      created = @ip.addr.list(:index => @ifname, :family => Socket::AF_INET).
-        map {|ifaddr| ifaddr.address.to_s }
-
-      ips.each {|ip| assert created.include?( ip ), "#{ip} was not created" }
-    end
-
     def create_test_interface(ifname = "test_#{$$}")
       begin
         @ip.link.add(