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InterfaceAddrs returns a list of the system's unicast interface addresses.
In order to do so, the function reuses the existing helpers and
list first all addresses with the netlink call RTM_GETADDR, then
all interfaces with RTM_GETLINK, and later it merge both lists
(each address references an interface).
However, the list of interfaces and addresses are obtained at
different times and there can be inconsistencies and, if an
address references an interface that is not present in the list
of interfaces, the function fails with an error.
Since the function InterfaceAddress is only about the system
addresses, there is no need to list all the interfaces, and we can
obtain the list of addresses directly from the netlink call RTM_GETADDR.
There is no need to correlate this list with the list of interfaces, as
the OS is the source of truth and should be the one providing the
consistency between addresses and interfaces.
Fixes #51934
Change-Id: I3b816e8146b1c07fdfe1bf6af338f001ef75734f
Reviewed-on: https://go-review.googlesource.com/c/go/+/635196
Reviewed-by: Ian Lance Taylor <iant@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Correctly set this flag while parsing the syscall result.
The FlagUp flag can not distinguish the following situations:
1. interface is plugged, automatically up, and in running(UP) state
2. interface is not plugged, administratively or manually set to up,
but in DOWN state
So, We can't distinguish the state of a NIC by the FlagUp flag alone.
Fixes #53482
Change-Id: I43796bea1a7f72d1fddfef914efe603c81995e1b
GitHub-Last-Rev: 686b5d888e97e9b90cf36ac0c15943eb97e125d4
GitHub-Pull-Request: golang/go#53484
Reviewed-on: https://go-review.googlesource.com/c/go/+/413454
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ryan Schuster <shuey19831@gmail.com>
Reviewed-by: Jianwei Mao <maojianwei2020@gmail.com>
Reviewed-by: Damien Neil <dneil@google.com>
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Found by github.com/mvdan/unparam.
Change-Id: I4795dd0221784d10cf7c9f7b84ea00787d5789f2
Reviewed-on: https://go-review.googlesource.com/37892
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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Updates #14518.
This reverts commit 3e9264c9ae781a2cd28127deaed6ae26f84b4b15.
Change-Id: I2531b04efc735b5b51ef675541172f2f5ae747d9
Reviewed-on: https://go-review.googlesource.com/22836
Reviewed-by: Mikio Hara <mikioh.mikioh@gmail.com>
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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This change adds Zone field to IPNet structure for making it possible to
determine which network interface is associated with IPv6 link-local
address. Also makes ParseCIDR and IPNet.String capable handling literal
IPv6 address prefixes with zone identifier.
Fixes #14518.
Change-Id: I8f8a40d3b4f500ffef25728d4995651379d8408a
Reviewed-on: https://go-review.googlesource.com/19946
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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The tree's pretty inconsistent about single space vs double space
after a period in documentation. Make it consistently a single space,
per earlier decisions. This means contributors won't be confused by
misleading precedence.
This CL doesn't use go/doc to parse. It only addresses // comments.
It was generated with:
$ perl -i -npe 's,^(\s*// .+[a-z]\.) +([A-Z]),$1 $2,' $(git grep -l -E '^\s*//(.+\.) +([A-Z])')
$ go test go/doc -update
Change-Id: Iccdb99c37c797ef1f804a94b22ba5ee4b500c4f7
Reviewed-on: https://go-review.googlesource.com/20022
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Dave Day <djd@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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This is a subset of https://golang.org/cl/20022 with only the copyright
header lines, so the next CL will be smaller and more reviewable.
Go policy has been single space after periods in comments for some time.
The copyright header template at:
https://golang.org/doc/contribute.html#copyright
also uses a single space.
Make them all consistent.
Change-Id: Icc26c6b8495c3820da6b171ca96a74701b4a01b0
Reviewed-on: https://go-review.googlesource.com/20111
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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Linux allows to have a peer IP address on IP interface over ethernet
link encapsulation, though it only installs a static route with the peer
address as an on-link nexthop.
Fixes #11338.
Change-Id: Ie2583737e4c7cec39baabb89dd732463d3f10a61
Reviewed-on: https://go-review.googlesource.com/11352
Reviewed-by: Russ Cox <rsc@golang.org>
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These a series of changes fix inconsistent errors on the package net
APIs. Now almost all the APIs return OpError as a common error type
except Lookup, Resolve and Parse APIs. The Lookup, Resolve and Parse
APIs return more specific errors such as DNSError, AddrError or
ParseError.
An OpError may contain nested error information. For example, Dial may
return an OpError containing a DNSError, AddrError, unexposed type/value
or other package's type/value like the following:
OpError{/* dial info */, Err: &DNSError{}}
OpError{/* dial info */, Err: &AddrError{}}
OpError{/* dial info */, Err: <unexposed type or value>}
OpError{/* dial info */, Err: <other package's type or value>}
and Read and Write may return an OpError containing other OpError when
an application uses io.Copy or similar:
OpError{/* for io.Reader */, Err: &OpError{/* for io.Writer */}}
When an endpoint is created for connection-oriented byte-stream
protocols, Read may return an io.EOF when the connection is closed by
remote endpoint.
Fixes #4856.
A series of changes:
- net: fix inconsistent error values on Dial, Listen partially
https://go.googlesource.com/go/+/89b7c66d0d14462fd7893be4290bdfe5f9063ae1
- net: fix inconsistent error values on Read
https://go.googlesource.com/go/+/ec1144423f45e010c72363fe59291d43214b6e31
- net: fix inconsistent error values on Write
https://go.googlesource.com/go/+/11b5f98bf0d5eb8854f735cc332c912725070214
- net: fix inconsistent error values on Close
https://go.googlesource.com/go/+/310db63c5bc121e7bfccb494c01a6b91a257e7fc
- net: fix inconsistent error values on Accept
https://go.googlesource.com/go/+/4540e162b1aefda8157372764ad3d290a414ef1d
- net: fix inconsistent error values on File
https://go.googlesource.com/go/+/885111365ba0a74421059bfbd18f4c57c1e70332
- net: fix inconsistent error values on setters
https://go.googlesource.com/go/+/2173a27903897c481b0a0daf3ca3e0a0685701db
- net: fix inconsistent error values on Interface
https://go.googlesource.com/go/+/456cf0f22c93e1a6654980f4a48a564555f6c8a2
- net: fix inconsistent error values on Lookup
https://go.googlesource.com/go/+/0fc582e87942b2e52bed751b6c56660ba99e9a7d
- net: add Source field to OpError
https://go.googlesource.com/go/+/afd2d2b6df3ebfe99faf347030f15adfdf422fa0
Change-Id: Id678e369088dc9fbe9073cfe7ff8a8754a57d61f
Reviewed-on: https://go-review.googlesource.com/9236
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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This change fixes inconsistent error values on Interfaces,
InterfaceAddrs, InterfaceBy{Index,Name}, and Addrs and MulticastAddrs
methods of Interface.
Updates #4856.
Change-Id: I09e65522a22f45c641792d774ebf7a0081b874ad
Reviewed-on: https://go-review.googlesource.com/9140
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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Remove the "netaddr" type, which ambiguously represented either one
address, or a list of addresses. Instead, use "addrList" wherever
multiple addresses are supported.
The "first" method returns the first address matching some condition
(e.g. "is it IPv4?"), primarily to support legacy code that can't handle
multiple addresses.
The "partition" method splits an addrList into two categories, as
defined by some strategy function. This is useful for implementing
Happy Eyeballs, and similar two-channel algorithms.
Finally, internetAddrList (formerly resolveInternetAddr) no longer
mangles the ordering defined by getaddrinfo. In the future, this may
be used by a sequential Dial implementation.
Updates #8453, #8455.
Change-Id: I7375f4c34481580ab40e31d33002a4073a0474f3
Reviewed-on: https://go-review.googlesource.com/8360
Reviewed-by: Mikio Hara <mikioh.mikioh@gmail.com>
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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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.
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