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David Anderson 4d1b3bc26f net/art: implement the stride table building block of ART A stride table is an 8-bit routing table implemented as an array binary tree, with a special tree updating function (allot) that enables lightning fast address lookups and reasonably fast insertion and deletion. Insertion, deletion and lookup are all allocation-free. Updates #7781 │ sec/op │ StrideTableInsertion/10/random_order 16.79n ± 2% StrideTableInsertion/10/largest_first 16.83n ± 1% StrideTableInsertion/10/smallest_first 16.83n ± 0% StrideTableInsertion/50/random_order 17.84n ± 1% StrideTableInsertion/50/largest_first 20.04n ± 1% StrideTableInsertion/50/smallest_first 16.39n ± 0% StrideTableInsertion/100/random_order 14.63n ± 0% StrideTableInsertion/100/largest_first 17.45n ± 4% StrideTableInsertion/100/smallest_first 12.98n ± 0% StrideTableInsertion/200/random_order 12.51n ± 4% StrideTableInsertion/200/largest_first 18.36n ± 3% StrideTableInsertion/200/smallest_first 9.609n ± 3% StrideTableDeletion/10/random_order 19.50n ± 1% StrideTableDeletion/10/largest_first 19.34n ± 0% StrideTableDeletion/10/smallest_first 19.43n ± 0% StrideTableDeletion/50/random_order 14.58n ± 1% StrideTableDeletion/50/largest_first 14.27n ± 2% StrideTableDeletion/50/smallest_first 15.51n ± 0% StrideTableDeletion/100/random_order 12.02n ± 3% StrideTableDeletion/100/largest_first 10.64n ± 0% StrideTableDeletion/100/smallest_first 13.21n ± 3% StrideTableDeletion/200/random_order 14.05n ± 4% StrideTableDeletion/200/largest_first 9.288n ± 5% StrideTableDeletion/200/smallest_first 18.51n ± 1% StrideTableGet 0.5010n ± 0% │ routes/s │ StrideTableInsertion/10/random_order 59.55M ± 2% StrideTableInsertion/10/largest_first 59.42M ± 1% StrideTableInsertion/10/smallest_first 59.43M ± 0% StrideTableInsertion/50/random_order 56.04M ± 1% StrideTableInsertion/50/largest_first 49.91M ± 1% StrideTableInsertion/50/smallest_first 61.00M ± 0% StrideTableInsertion/100/random_order 68.35M ± 0% StrideTableInsertion/100/largest_first 57.32M ± 3% StrideTableInsertion/100/smallest_first 77.06M ± 0% StrideTableInsertion/200/random_order 79.93M ± 4% StrideTableInsertion/200/largest_first 54.47M ± 3% StrideTableInsertion/200/smallest_first 104.1M ± 3% StrideTableDeletion/10/random_order 51.28M ± 1% StrideTableDeletion/10/largest_first 51.70M ± 0% StrideTableDeletion/10/smallest_first 51.48M ± 0% StrideTableDeletion/50/random_order 68.60M ± 1% StrideTableDeletion/50/largest_first 70.09M ± 2% StrideTableDeletion/50/smallest_first 64.45M ± 0% StrideTableDeletion/100/random_order 83.21M ± 3% StrideTableDeletion/100/largest_first 94.03M ± 0% StrideTableDeletion/100/smallest_first 75.69M ± 3% StrideTableDeletion/200/random_order 71.20M ± 5% StrideTableDeletion/200/largest_first 107.7M ± 5% StrideTableDeletion/200/smallest_first 54.02M ± 1% StrideTableGet 1.996G ± 0% Signed-off-by: David Anderson <danderson@tailscale.com>		2 years ago
.bencher	bencher: add config to suppress failures on benchmark regressions.	3 years ago
.github	.github/workflows: remove tsconnect-pkg-publish.yml	2 years ago
atomicfile	atomicfile: reject overwriting irregular files	2 years ago
chirp	all: update copyright and license headers	2 years ago
client/tailscale	client/tailscale: Fix NPE caused by erroneous close in error case	2 years ago
cmd	ipn/ipnlocal, util/winutil/policy: modify Windows profile migration to load legacy prefs from within tailscaled	2 years ago
control	control/controlclient: fix accidental backoff reset	2 years ago
derp	derp, derphttp, magicsock: send new unknown peer frame when destination is unknown (#7552 )	2 years ago
disco	all: update to Go 1.20, use strings.CutPrefix/Suffix instead of our fork	2 years ago
docs	all: update copyright and license headers	2 years ago
doctor	doctor/permissions: add new check to print process permissions	2 years ago
envknob	envknob,net/tstun,wgengine: use TS_DEBUG_MTU consistently	2 years ago
health	health, net/tlsdial: add healthcheck for self-signed cert	2 years ago
hostinfo	tailcfg,hostinfo: add App field to identify tsnet uses	2 years ago
internal/tooldeps	all: update copyright and license headers	2 years ago
ipn	ipn: prefer allow/denylist terminology	2 years ago
jsondb	all: update copyright and license headers	2 years ago
kube	ipn/store: add support for stores to hook into a custom dialer	2 years ago
licenses	licenses: update win/apple licenses	2 years ago
log	sockstats: add labels for netlog and sockstatlog packages	2 years ago
logpolicy	logpolicy: do not upload logs in tests	2 years ago
logtail	log/sockstatlog: add delay before writing logs to disk	2 years ago
metrics	metrics: add SetInt64 to ease using LabelMap for gauge metrics	2 years ago
net	net/art: implement the stride table building block of ART	2 years ago
packages/deb	all: update copyright and license headers	2 years ago
paths	all: update copyright and license headers	2 years ago
portlist	all: update copyright and license headers	2 years ago
prober	prober: only record latency for successful probes	2 years ago
release	release/dist/cli: add --verbose to print subcommand output	2 years ago
safesocket	safesocket: remove the now unused WindowsLocalPort	2 years ago
scripts	scripts/installer.sh: check Photon OS version with pkg server.	2 years ago
smallzstd	all: update copyright and license headers	2 years ago
ssh/tailssh	ssh/tailssh: fix race in errors returned when starting recorder	2 years ago
syncs	syncs: add WaitGroup wrapper (#7481 )	2 years ago
tailcfg	funnel: change references from alpha to beta (#7613 )	2 years ago
tempfork	net/tstun/table: add initial RoutingTable implementation	2 years ago
tka	tka: compact TKA storage on startup	2 years ago
tool	tool/gocross: use grep -E over egrep to avoid warning	2 years ago
tsconst	all: update copyright and license headers	2 years ago
tsnet	tsnet,wgenegine/netstack: add test and fix resource leaks	2 years ago
tstest	tstest/integration: add ping test w/ masquerades	2 years ago
tstime	tstime/rate: add Value (#7491 )	2 years ago
tsweb	all: use tstest.Replace more	2 years ago
types	envknob/logknob: add package for configurable logging	2 years ago
util	ipn/ipnlocal, util/winutil/policy: modify Windows profile migration to load legacy prefs from within tailscaled	2 years ago
version	version/mkversion: don't break on tagged go.mod entries	2 years ago
wf	all: update copyright and license headers	2 years ago
wgengine	util/sysresources, magicsock: scale DERP buffer based on system memory	2 years ago
words	words: what?! a llama?! he's supposed to be dead! (#7623 )	2 years ago
.gitattributes	.: add .gitattributes entry to use Go hunk-header driver	3 years ago
.gitignore	release: open-source release build logic for unix packages	2 years ago
ALPINE.txt	Docker: add ALPINE.txt to manage alpine versions	2 years ago
AUTHORS	Move Linux client & common packages into a public repo.	5 years ago
CODE_OF_CONDUCT.md	Add a code of conduct.	5 years ago
Dockerfile	Dockerfile: fix docker build	2 years ago
Dockerfile.base	all: update copyright and license headers	2 years ago
LICENSE	all: update tools that manage copyright headers	2 years ago
Makefile	Makefile: add help text to Makefile	2 years ago
PATENTS	Move Linux client & common packages into a public repo.	5 years ago
README.md	all: update to Go 1.20, use strings.CutPrefix/Suffix instead of our fork	2 years ago
SECURITY.md	Add a SECURITY.md for vulnerability reports.	5 years ago
VERSION.txt	VERSION.txt: this is 1.39	2 years ago
api.md	api.md: refresh of API docs	2 years ago
build_dist.sh	build_dist.sh: make cross-compilation friendly	2 years ago
build_docker.sh	Dockerfile: fix docker build	2 years ago
flake.lock	nix: update nixpkgs flake, override go_1_20 for tailscale_go (#7139 )	2 years ago
flake.nix	go.mod.sri: update SRI hash for go.mod changes	2 years ago
go.mod	go.mod: bump gvisor to 20230320 for dispatcher locking	2 years ago
go.mod.sri	go.mod.sri: update SRI hash for go.mod changes	2 years ago
go.sum	go.mod: bump gvisor to 20230320 for dispatcher locking	2 years ago
go.toolchain.branch	go.toolchain.branch: update to Go 1.20	2 years ago
go.toolchain.rev	go.toolchain.rev: bump Go toolchain	2 years ago
pull-toolchain.sh	pull-toolchain.sh: don't run update-flake.sh	2 years ago
shell.nix	go.mod.sri: update SRI hash for go.mod changes	2 years ago
staticcheck.conf	staticcheck.conf: remove unnecessary warning	3 years ago
update-flake.sh	.github/workflows: add workflow to update go.mod Nix SRI hash	2 years ago
version-embed.go	version: return correct Meta.MajorMinorPatch in non-dev builds	2 years ago
version_test.go	all: update copyright and license headers	2 years ago

README.md

Tailscale

https://tailscale.com

Private WireGuard® networks made easy

Overview

This repository contains the majority of Tailscale's open source code. Notably, it includes the tailscaled daemon and the tailscale CLI tool. The tailscaled daemon runs on Linux, Windows, macOS, and to varying degrees on FreeBSD and OpenBSD. The Tailscale iOS and Android apps use this repo's code, but this repo doesn't contain the mobile GUI code.

Other Tailscale repos of note:

the Android app is at https://github.com/tailscale/tailscale-android
the Synology package is at https://github.com/tailscale/tailscale-synology
the QNAP package is at https://github.com/tailscale/tailscale-qpkg
the Chocolatey packaging is at https://github.com/tailscale/tailscale-chocolatey

For background on which parts of Tailscale are open source and why, see https://tailscale.com/opensource/.

Using

We serve packages for a variety of distros and platforms at https://pkgs.tailscale.com.

Other clients

The macOS, iOS, and Windows clients use the code in this repository but additionally include small GUI wrappers. The GUI wrappers on non-open source platforms are themselves not open source.

Building

We always require the latest Go release, currently Go 1.20. (While we build releases with our Go fork, its use is not required.)

go install tailscale.com/cmd/tailscale{,d}

If you're packaging Tailscale for distribution, use build_dist.sh instead, to burn commit IDs and version info into the binaries:

./build_dist.sh tailscale.com/cmd/tailscale
./build_dist.sh tailscale.com/cmd/tailscaled

If your distro has conventions that preclude the use of build_dist.sh, please do the equivalent of what it does in your distro's way, so that bug reports contain useful version information.

Bugs

Please file any issues about this code or the hosted service on the issue tracker.

Contributing

PRs welcome! But please file bugs. Commit messages should reference bugs.

We require Developer Certificate of Origin Signed-off-by lines in commits.

See git log for our commit message style. It's basically the same as Go's style.

About Us

Tailscale is primarily developed by the people at https://github.com/orgs/tailscale/people. For other contributors, see:

Legal

WireGuard is a registered trademark of Jason A. Donenfeld.