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Commit Graph

38 Commits

Author SHA1 Message Date
Mikio Hara
aa0dda767a net: support IPv6 scoped addressing zone
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
2013-03-23 09:57:40 +09:00
Michael Teichgräber
ad341843a7 net: SplitHostPort: adjust error message for missing port in IPv6 addresses
An hostport of "[::1]" now results in the same error message
"missing port in address" as the hostport value "127.0.0.1",
so SplitHostPort won't complain about "too many colons
in address" anymore for an IPv6 address missing a port.

Added tests checking the error values.

Fixes #4526.

R=dave, rsc, mikioh.mikioh
CC=golang-dev
https://golang.org/cl/7038045
2013-01-30 09:25:16 -08:00
Mikio Hara
4f74bbd24c net: consoldate literal target address into IP address functions
This CL continues with introducing IPv6 scoped addressing capability
into the net package.

Update #4234.

R=rsc
CC=golang-dev
https://golang.org/cl/6842053
2012-11-28 06:36:05 +09:00
Mikio Hara
e8cf49f701 net, cmd/fix: add IPv6 scoped addressing zone to INET, INET6 address structs
This CL starts to introduce IPv6 scoped addressing capability
into the net package.

The Public API changes are:
+pkg net, type IPAddr struct, Zone string
+pkg net, type IPNet struct, Zone string
+pkg net, type TCPAddr struct, Zone string
+pkg net, type UDPAddr struct, Zone string

Update #4234.

R=rsc, bradfitz, iant
CC=golang-dev
https://golang.org/cl/6849045
2012-11-27 00:45:42 +09:00
Mikio Hara
5451708d5b net: fix non-unixen build
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6813101
2012-11-09 02:09:09 +09:00
Brad Fitzpatrick
ef6806fb13 net: close fds eagerly in DialTimeout
Integrates with the pollserver now.

Uses the old implementation on windows and plan9.

Fixes #2631

R=paul, iant, adg, bendaglish, rsc
CC=golang-dev
https://golang.org/cl/6815049
2012-11-08 10:35:16 -06:00
Alex Brainman
eb2e6e59ee net: implement IPv6 support for windows
Thank you zhoumichaely for original CL 5175042.

Fixes #1740.
Fixes #2315.

R=golang-dev, bradfitz, mikioh.mikioh
CC=golang-dev, zhoumichaely
https://golang.org/cl/6822045
2012-11-07 16:58:20 +11:00
Mikio Hara
ac486ab15c net: make parsePort as a function
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6256059
2012-05-29 06:12:06 +09:00
Mikio Hara
28397befab net: replace error variable name e, errno with err
R=rsc, r
CC=golang-dev
https://golang.org/cl/5593046
2012-02-01 00:36:45 +09:00
Russ Cox
558e7fc332 various: avoid func compare
R=gri, r, bradfitz
CC=golang-dev
https://golang.org/cl/5371074
2011-11-13 22:57:19 -05:00
Russ Cox
eb6929299b src/pkg/[n-z]*: gofix -r error -force=error
R=golang-dev, bsiegert, iant
CC=golang-dev
https://golang.org/cl/5294074
2011-11-01 22:05:34 -04:00
Fazlul Shahriar
0f7bc92bdb net: Plan 9 support
All tests enabled by default passes except those in timeout_test.go.

For TestLookupPort, add an entry for "bootps" in /lib/ndb/common
(Plan 9 calls it "bootp"). I've sent out a patch to fix this.

R=paulzhol, rsc, mikioh.mikioh
CC=ality, golang-dev
https://golang.org/cl/4779041
2011-08-17 13:28:29 -04:00
Wei Guangjing
63b8b948d9 windows: define and use syscall.Handle
Fixes #1487.

R=rsc, alex.brainman, go.peter.90, mikioh.mikioh, mattn.jp
CC=golang-dev
https://golang.org/cl/4600042
2011-07-01 10:18:07 -04:00
Russ Cox
21e75da486 respect goto restrictions
R=gri
CC=golang-dev
https://golang.org/cl/4625044
2011-06-17 06:07:13 -04:00
Russ Cox
16dbf2182c undo CL 4557058 / b4c2ffae7034
Using the getaddrinfo order is only okay if we
are smart enough to try multiple addresses in Dial.
Since the code does not do that, we must make
the right first choice, regardless of what getaddrinfo
does, and more often that not that means using the
IPv4 address, even on IPv6 systems.  With the CL
applied, gotest fails in package net on OS X.

helix.cam=; gotest
...
--- FAIL: net.TestDialGoogleIPv4 (1.05 seconds)
        -- 74.125.226.179:80 --
        -- www.google.com:80 --
        Dial("tcp", "", "www.google.com:80") = _, dial tcp [2001:4860:800f::69]:80: address family not supported by protocol family
        -- 74.125.226.179:http --
        -- www.google.com:http --
        Dial("tcp", "", "www.google.com:http") = _, dial tcp [2001:4860:800f::69]:80: address family not supported by protocol family
        -- 074.125.226.179:0080 --
        -- [::ffff:74.125.226.179]:80 --
        -- [::ffff:4a7d:e2b3]:80 --
        -- [0:0:0:0:0000:ffff:74.125.226.179]:80 --
        -- [0:0:0:0:000000:ffff:74.125.226.179]:80 --
        -- [0:0:0:0:0:ffff::74.125.226.179]:80 --
FAIL
gotest: "./6.out" failed: exit status 1

««« original CL description
net: name-based destination address selection

getaddrinfo() orders the addresses according to RFC 3484.

This means when IPv6 is working on a host we get results like:
    []string = {"2001:4810::110", "66.117.47.214"}

and when it's not working we get:
    []string = {"66.117.47.214", "2001:4810::110"}

thus can drop firstFavoriteAddr.

This also means /etc/gai.conf works on relevant systems.

R=rsc, mikioh.mikioh
CC=golang-dev
https://golang.org/cl/4557058

»»»

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4532101
2011-06-01 15:49:57 -04:00
Christopher Wedgwood
50effb654c net: name-based destination address selection
getaddrinfo() orders the addresses according to RFC 3484.

This means when IPv6 is working on a host we get results like:
    []string = {"2001:4810::110", "66.117.47.214"}

and when it's not working we get:
    []string = {"66.117.47.214", "2001:4810::110"}

thus can drop firstFavoriteAddr.

This also means /etc/gai.conf works on relevant systems.

R=rsc, mikioh.mikioh
CC=golang-dev
https://golang.org/cl/4557058
2011-05-31 11:40:11 -04:00
Robert Hencke
3fbd478a8a pkg: spelling tweaks, I-Z
also, a few miscellaneous fixes to files outside pkg

R=golang-dev, dsymonds, mikioh.mikioh, r
CC=golang-dev
https://golang.org/cl/4517116
2011-05-30 18:02:59 +10:00
Mikio Hara
8c6dc5fea5 net: re-enable wildcard listening
Fixes #1854.

R=bradfitz, golang-dev
CC=golang-dev
https://golang.org/cl/4550062
2011-05-22 09:48:04 -07:00
Mikio Hara
2ddcad96d7 net: protocol family adaptive address family selection
This CL will help to make an adaptive address family
selection possible when an any address family, vague
network string such as "ip", "tcp" or "udp" is passed
to Dial and Listen API.

Fixes #1769.

R=bradfitz, rsc
CC=golang-dev
https://golang.org/cl/4438066
2011-05-16 17:03:06 -04:00
Mikio Hara
4336116d3b net: remove unused functions
Remove unused functions, getip() and sockaddrToString().
Remove unnecessary linebreaks.

R=golang-dev
CC=golang-dev
https://golang.org/cl/4523062
2011-05-13 07:00:06 -07:00
Russ Cox
c9164a5d77 net: use C library resolver on FreeBSD, Linux, OS X / amd64, 386
This CL makes it possible to resolve DNS names on OS X
without offending the Application-Level Firewall.

It also means that cross-compiling from one operating
system to another is no longer possible when using
package net, because cgo needs to be able to sniff around
the local C libraries.  We could special-case this one use
and check in generated files, but it seems more trouble
than it's worth.  Cross compiling is dead anyway.

It is still possible to use either GOARCH=amd64 or GOARCH=386
on typical Linux and OS X x86 systems.

It is also still possible to build GOOS=linux GOARCH=arm on
any system, because arm is for now excluded from this change
(there is no cgo for arm yet).

R=iant, r, mikioh
CC=golang-dev
https://golang.org/cl/4437053
2011-04-20 15:21:59 -04:00
Russ Cox
41f93a430f net: drop laddr from Dial, cname from LookupHost; new functions
Drop laddr argument from Dial.

Drop cname return from LookupHost.

Add LookupIP, LookupCNAME, ParseCIDR, IP.Equal.
Export SplitHostPort, JoinHostPort.
Add AAAA (IPv6) support to host lookups.

Preparations for implementing some of the
lookups using cgo.

ParseCIDR and IP.Equal are logically new in this CL
but accidentally snuck into an earlier CL about unused
labels that was in the same client.

In crypto/tls, drop laddr from Dial to match net.

R=golang-dev, dsymonds, adg, rh
CC=golang-dev
https://golang.org/cl/4244055
2011-03-28 23:28:42 -04:00
Mikio Hara
9b66129fe3 net: more accurate IPv4-in-IPv6 API test
R=rsc
CC=golang-dev
https://golang.org/cl/4172045
2011-02-16 15:05:48 -05:00
Alex Brainman
3a052b5f54 net: use closesocket api instead of CloseHandle on Windows
thanks to piotrnar for the original CL.
Fixes #1371.

R=rsc
CC=golang-dev
https://golang.org/cl/3834042
2011-01-12 15:55:17 +11:00
Scott Lawrence
d125faeed0 net/ipsock.go: fix error checking bug
Check oserr, not err for non-nil (err is never changed)

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/1965042
2010-08-22 22:12:56 +10:00
Russ Cox
bb84f4b5d2 changes &x -> x[0:] for array to slice conversion
R=gri
CC=golang-dev
https://golang.org/cl/1326042
2010-05-27 14:51:47 -07:00
Christopher Wedgwood
13d5a19a98 net: implement raw sockets
R=rsc
CC=golang-dev
https://golang.org/cl/684041
2010-05-21 17:30:40 -07:00
Russ Cox
9c8cee712d net: fix bug in internetSocket introduced by error cleanup.
Fixes #750.

R=adg
CC=golang-dev
https://golang.org/cl/988043
2010-04-27 18:48:11 -07:00
Russ Cox
47a0533411 net: introduce net.Error interface
Adds two more methods, Timeout and Temporary.
Implemented by os.Errno too.  The intent is to make
the checks for os.EAGAIN a little less clunky.
It should also let us clean up a bug that Mike Solomon
pointed out: if a network server gets an "out of file descriptors"
error from Accept, the listener should not stop.
It will be able to check this because that error would
have Temporary() == true.

Also clean up some underscore names.

Fixes #442.

R=r
CC=golang-dev, msolo
https://golang.org/cl/957045
2010-04-26 22:15:25 -07:00
Robert Griesemer
a3d1045fb7 1) Change default gofmt default settings for
parsing and printing to new syntax.

   Use -oldparser to parse the old syntax,
   use -oldprinter to print the old syntax.

2) Change default gofmt formatting settings
   to use tabs for indentation only and to use
   spaces for alignment. This will make the code
   alignment insensitive to an editor's tabwidth.

   Use -spaces=false to use tabs for alignment.

3) Manually changed src/exp/parser/parser_test.go
   so that it doesn't try to parse the parser's
   source files using the old syntax (they have
   new syntax now).

4) gofmt -w src misc test/bench

3rd set of files.

R=rsc
CC=golang-dev
https://golang.org/cl/180048
2009-12-15 15:35:38 -08:00
Russ Cox
9ac4449cb2 gofmt -r 'α[β:len(α)] -> α[β:]' -w src/cmd src/pkg
R=r, gri
CC=golang-dev
https://golang.org/cl/156115
2009-11-20 11:45:05 -08:00
Devon H. O'Dell
0489a260da FreeBSD-specific porting work.
cgo/libmach remain unimplemented. However, compilers, runtime,
and packages are 100%. I still need to go through and implement
missing syscalls (at least make sure they're all listed), but
for all shipped functionality, this is done. Ship! ;)

R=rsc, VenkateshSrinivas
https://golang.org/cl/152142
2009-11-17 08:20:58 -08:00
Robert Griesemer
3bb0032cd6 - replaced gofmt expression formatting algorithm with
rsc's algorithm
- applied gofmt -w misc src
- partial CL (last chunk)

R=rsc, r
http://go/go-review/1024041
2009-11-09 21:23:52 -08:00
Robert Griesemer
40621d5c0d remove semis after statements in one-statement statement lists
R=rsc, r
http://go/go-review/1025029
2009-11-09 12:07:39 -08:00
Robert Griesemer
368f8cbc75 - fine-tuning of one-line func heuristic (nodes.go)
- enabled for function declarations (not just function literals)
- applied gofmt -w $GOROOT/src
(look for instance at src/pkg/debug/elf/elf.go)

R=r, rsc
CC=go-dev
http://go/go-review/1026006
2009-11-06 14:24:38 -08:00
Robert Griesemer
5d37705416 gofmt-ify net
R=rsc
http://go/go-review/1017045
2009-11-04 23:16:46 -08:00
Russ Cox
c83b838641 package net cleanup
added ReadFrom/WriteTo for packet protocols like UDP.
simplified the net.Conn interface.
added new net.PacketConn interface for packet protocols.
implemented proper UDP listener.

cleaned up LocalAddr/RemoteAddr methods - cache in netFD.

threw away various unused methods.

an interface change:
introduced net.Addr as a network address interface,
to avoid conversion of UDP host:port to string and
back for every ReadFrom/WriteTo sequence.

another interface change:
since signature of Listener.Accept was changing anyway,
dropped the middle return value, because it is available
as c.RemoteAddr().  (the Accept signature predates the
existence of that method.)

Dial and Listen still accept strings, but the proto-specific
versions DialTCP, ListenUDP, etc. take net.Addr instead.

because the generic Dial didn't change and because
no one calls Accept directly (only indirectly via the http
server), very little code will be affected by these interface
changes.

design comments welcome.

R=p
CC=go-dev, r
http://go/go-review/1018017
2009-11-02 18:37:30 -08:00
Russ Cox
35ace1d1f5 split ipsock.go, sock.go, and unixsock.go out of net.go
prior to cleanup.  no changes, only moving.

remove dependencies on strconv and strings

R=r
http://go/go-review/1017010
2009-11-01 11:15:34 -08:00