Alex A Skinner
39a021bc0e
net: implement query-response fast failover in builtin dns stub resolver
...
Speed improvements via code cleanup, and changes to make go dns behave more like glibc resolver. See https://groups.google.com/forum/#!topic/golang-dev/lV-0aHqxVeo
Fixes #6579 .
Benchmark results on linux/amd64
benchmark old ns/op new ns/op delta
BenchmarkGoLookupIP 4831903 2572937 -46.75%
BenchmarkGoLookupIPNoSuchHost 10114105 2419641 -76.08%
BenchmarkGoLookupIPWithBrokenNameServer 20007735624 5004490730 -74.99%
benchmark old allocs new allocs delta
BenchmarkGoLookupIP 287 288 0.35%
BenchmarkGoLookupIPNoSuchHost 204 102 -50.00%
BenchmarkGoLookupIPWithBrokenNameServer 410 358 -12.68%
benchmark old bytes new bytes delta
BenchmarkGoLookupIP 13181 13271 0.68%
BenchmarkGoLookupIPNoSuchHost 17260 8714 -49.51%
BenchmarkGoLookupIPWithBrokenNameServer 28160 22432 -20.34%
LGTM=mikioh.mikioh
R=golang-codereviews, mikioh.mikioh, bradfitz, josharian, abursavich
CC=golang-codereviews
https://golang.org/cl/128820043
2014-08-30 13:12:28 +09:00
Alex A Skinner
854dbb7fdc
net: ensure identical queries are not sent multiple times in builtin stub resolver
...
Prevents non-rooted queries with > ndots dots from being tried twice on error.
Fixes #8616 .
Benchmark results on linux/amd64
benchmark old ns/op new ns/op delta
BenchmarkGoLookupIPNoSuchHost 8212394 4413293 -46.26%
benchmark old allocs new allocs delta
BenchmarkGoLookupIPNoSuchHost 216 108 -50.00%
benchmark old bytes new bytes delta
BenchmarkGoLookupIPNoSuchHost 17460 8726 -50.02%
LGTM=iant, mikioh.mikioh
R=golang-codereviews, iant, mikioh.mikioh
CC=golang-codereviews
https://golang.org/cl/137870043
2014-08-30 07:50:50 +09:00
Mikio Hara
48e7533783
net: separate DNS transport from DNS query-response interaction
...
Before fixing issue 6579 this CL separates DNS transport from
DNS message interaction to make it easier to add builtin DNS
resolver control logic.
Update #6579
LGTM=alex, kevlar
R=golang-codereviews, alex, gobot, iant, minux, kevlar
CC=golang-codereviews
https://golang.org/cl/101220044
2014-08-06 09:58:47 +09:00
Guillaume J. Charmes
bf1d400d1c
net: detect changes to /etc/resolv.conf.
...
Implement the changes as suggested by rsc.
Fixes #6670 .
LGTM=josharian, iant
R=golang-codereviews, iant, josharian, mikioh.mikioh, alex, gobot
CC=golang-codereviews, rsc
https://golang.org/cl/83690045
2014-05-14 17:11:00 -07:00
Mikio Hara
ace8bc35ef
net: enable builtin dns resolver tests on solaris
...
LGTM=aram
R=golang-codereviews, aram
CC=golang-codereviews
https://golang.org/cl/99890045
2014-04-30 23:26:07 +09:00
Joel Sing
fce0608561
net: dragonfly support
...
Make the net package build and work on dragonfly.
R=bradfitz
CC=golang-dev
https://golang.org/cl/13173044
2013-08-24 02:18:22 +10:00
Mikio Hara
3a93626b49
net: fix TestTCPLookup
...
R=golang-dev, dvyukov, dave
CC=golang-dev
https://golang.org/cl/12766044
2013-08-15 05:07:35 +09:00
Dmitriy Vyukov
992374f8fb
net: fix build fix
...
Now builders say:
pkg/net/dnsclient_unix_test.go:10: imported and not used: "runtime"
R=golang-dev
CC=golang-dev
https://golang.org/cl/12890043
2013-08-14 00:55:18 +04:00
Dmitriy Vyukov
d90a81c39f
net: fix windows build
...
Windows builders say:
pkg\net\dnsclient_unix_test.go:24: undefined: dnsConfig
pkg\net\dnsclient_unix_test.go:25: undefined: exchange
R=golang-dev
CC=golang-dev
https://golang.org/cl/12889043
2013-08-14 00:44:57 +04:00
Alex A Skinner
0a3cb7ece3
net: implement DNS TCP fallback query if UDP response is truncated
...
Fixes #5686 .
R=golang-dev, bradfitz, mikioh.mikioh
CC=golang-dev
https://golang.org/cl/12458043
2013-08-13 09:44:12 -07:00
