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Change-Id: I0c2e1a4a8261887a696e585dda46e72d691191e0
Reviewed-on: https://go-review.googlesource.com/10070

Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Fixes #10307.

Change-Id: If70f36a6f1c4e465a47a0bc4d38b318424111106
Reviewed-on: https://go-review.googlesource.com/8330

Reviewed-by: Ian Lance Taylor <iant@golang.org>

This change adds socket system call hooks to existing test cases for
simulating a bit complicated network conditions to help making timeout
and dual IP stack test cases work more properly in followup changes.

Also test cases print debugging information in non-short mode like the
following:

Leaked goroutines:
net.TestWriteTimeout.func2(0xc20802a5a0, 0xc20801d000, 0x1000, 0x1000, 0xc2081d2ae0)
	/go/src/net/timeout_test.go:170 +0x98
created by net.TestWriteTimeout
	/go/src/net/timeout_test.go:173 +0x745
net.runDatagramPacketConnServer(0xc2080730e0, 0x2bd270, 0x3, 0x2c1770, 0xb, 0xc2081d2ba0, 0xc2081d2c00)
	/go/src/net/server_test.go:398 +0x667
created by net.TestTimeoutUDP
	/go/src/net/timeout_test.go:247 +0xc9
	(snip)

Leaked sockets:
3: {Cookie:615726511685632 Err:<nil> SocketErr:0}
5: {Cookie:7934075906097152 Err:<nil> SocketErr:0}

Socket statistical information:
{Family:1 Type:805306370 Protocol:0 Opened:17 Accepted:0 Connected:5 Closed:17}
{Family:2 Type:805306369 Protocol:0 Opened:450 Accepted:234 Connected:279 Closed:636}
{Family:1 Type:805306369 Protocol:0 Opened:11 Accepted:5 Connected:5 Closed:16}
{Family:28 Type:805306369 Protocol:0 Opened:95 Accepted:22 Connected:16 Closed:116}
{Family:2 Type:805306370 Protocol:0 Opened:84 Accepted:0 Connected:34 Closed:83}
{Family:28 Type:805306370 Protocol:0 Opened:52 Accepted:0 Connected:4 Closed:52}

Change-Id: I0e84be59a0699bc31245c78e2249423459b8cdda
Reviewed-on: https://go-review.googlesource.com/6390

Reviewed-by: Ian Lance Taylor <iant@golang.org>

Fixes #10214.

Change-Id: If29d26c590eb53d4976e0a6ace0ed33aaf0c3e80
Reviewed-on: https://go-review.googlesource.com/7924

Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>

This change fixes a missing case that a routing address contains an
invalid address family label but it holds a valid length of address
structure.

Also makes test robust.

Fixes #10041.

Change-Id: I2480ba273929e859896697382d1a75b01a116b98
Reviewed-on: https://go-review.googlesource.com/6391

Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

(Issue #10041.)

Change-Id: Ia894ab60ac6b09926c684f99aacca79275cbced4
Reviewed-on: https://go-review.googlesource.com/6365

Reviewed-by: Russ Cox <rsc@golang.org>

Fixes #5395

Change-Id: I4322bc8a974d04d9bae6b48c71c5d32d9252973c
Reviewed-on: https://go-review.googlesource.com/3024

Reviewed-by: Alex Brainman <alex.brainman@gmail.com>

This change extends existing test case to Windows for helping to fix
golang.org/issue/5395.

Change-Id: Iff077fa98ede511981df513f48d84c19375b3e04
Reviewed-on: https://go-review.googlesource.com/3304

Reviewed-by: Alex Brainman <alex.brainman@gmail.com>

Preparation was in CL 134570043.
This CL contains only the effect of 'hg mv src/pkg/* src'.
For more about the move, see golang.org/s/go14nopkg.

NetBSD 6 kernel and beyond require 64-bit aligned access to routing
facilities.

Fixes #6226.

R=golang-dev, bsiegert, bradfitz
CC=golang-dev
https://golang.org/cl/13170043

Looks like latest FreeBSD doesn't set address family identifer
for RTAX_NETMASK stuff; probably RTAX_GENMASK too, not confirmed.
This CL tries to identify address families by using the length of
each socket address if possible.

The issue is confirmed on FreeBSD 9.1.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/12332043

This CL provides IPv6 scoped addressing zone support as defined
in RFC 4007 for internet protocol family connection setups.

Follwoing types and functions allow a literal IPv6 address with
zone identifer as theirs parameter.

pkg net, func Dial(string, string) (Conn, error)
pkg net, func DialOpt(string, ...DialOption) (Conn, error)
pkg net, func DialTimeout(string, string, time.Duration) (Conn, error)
pkg net, func Listen(string, string) (Listener, error)
pkg net, func ListenPacket(string, string) (PacketConn, error)
pkg net, func ResolveIPAddr(string, string) (*IPAddr, error)
pkg net, func ResolveTCPAddr(string, string) (*TCPAddr, error)
pkg net, func ResolveUDPAddr(string, string) (*UDPAddr, error)
pkg net, type IPAddr struct, Zone string
pkg net, type TCPAddr struct, Zone string
pkg net, type UDPAddr struct, Zone string

Also follwoing methods return a literal IPv6 address with zone
identifier string if possible.

pkg net, method (*IPAddr) String() string
pkg net, method (*TCPAddr) String() string
pkg net, method (*UDPAddr) String() string

Fixes #4234.
Fixes #4501.
Update #5081.

R=rsc, iant
CC=golang-dev
https://golang.org/cl/6816116

This CL addresses the comments on CL 7368046 that I've overlooked.

Update #4866.

R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/7369052

Current results on linux/amd64:
BenchmarkInterfaces                      20000             80902 ns/op
BenchmarkInterfaceByIndex                50000             71591 ns/op
BenchmarkInterfaceByName                 20000             79908 ns/op
BenchmarkInterfaceAddrs                   2000            836413 ns/op
BenchmarkInterfacesAndAddrs               5000            605946 ns/op
BenchmarkInterfacesAndMulticastAddrs     10000            169029 ns/op

Update #4866.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7368046

On NetBSD routing sockaddrs for interface address contain sockaddr_dl.

R=dave, rsc
CC=golang-dev
https://golang.org/cl/7085064

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6434043

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5727054

Suggested by Paul Borman.

Fixes #2826.

R=rsc, borman
CC=golang-dev
https://golang.org/cl/5689048

This CL makes both InterfaceAddrs and Addrs method on Interface
return IPNet struct for representing interface address and mask
like below:

interface "lo0": flags "up|loopback|multicast", ifindex 1, mtu 16384
        interface address "fe80::1/64"
        interface address "127.0.0.1/8"
        interface address "::1/128"
        joined group address "ff02::fb"
        joined group address "224.0.0.251"
        joined group address "ff02::2:65d0:d71e"
        joined group address "224.0.0.1"
 	joined group address "ff01::1"
        joined group address "ff02::1"
        joined group address "ff02::1:ff00:1"

Fixes #2571.

R=rsc
CC=golang-dev
https://golang.org/cl/5489062

R=golang-dev, bsiegert, iant
CC=golang-dev
https://golang.org/cl/5294074

ParseMAC parses a string representing MAC-48, EUI-48, or EUI-64 into
a HardwareAddr.

R=rsc, fshahriar
CC=golang-dev
https://golang.org/cl/4922048

This CL enables to list the multicast, joined group addresses
for a specific interface by using Interface.MulticastAddrs
method.

R=rsc
CC=golang-dev
https://golang.org/cl/4808062

Fixes #1942.

R=fullung, rsc
CC=golang-dev
https://golang.org/cl/4602044

This CL introduces new API into package net to identify the network
interface.  A functionality of new API is very similar to RFC3493 -
"Interface Identification".

R=r, gri, bradfitz, robert.hencke, fullung, rsc
CC=golang-dev
https://golang.org/cl/4437087