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tstime/rate: new package

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This is a simplified rate limiter geared for exactly our needs:
A fast, mono.Time-based rate limiter for use in tstun.
It was generated by stripping down the x/time/rate rate limiter
to just our needs and switching it to use mono.Time.

It removes one time.Now call per packet.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
This commit is contained in:
Josh Bleecher Snyder
2021-07-21 17:23:38 -07:00
committed by Josh Bleecher Snyder
parent f6e833748b
commit 9da4181606
6 changed files with 339 additions and 2 deletions
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2
wgengine/filter/filter.go
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@@ -11,10 +11,10 @@ import (
"sync"
"time"
"golang.org/x/time/rate"
"inet.af/netaddr"
"tailscale.com/net/flowtrack"
"tailscale.com/net/packet"
"tailscale.com/tstime/rate"
"tailscale.com/types/ipproto"
"tailscale.com/types/logger"
)

2
wgengine/filter/filter_test.go
View File

@@ -13,11 +13,11 @@ import (
"testing"
"github.com/google/go-cmp/cmp"
"golang.org/x/time/rate"
"inet.af/netaddr"
"tailscale.com/net/packet"
"tailscale.com/net/tsaddr"
"tailscale.com/tailcfg"
"tailscale.com/tstime/rate"
"tailscale.com/types/ipproto"
"tailscale.com/types/logger"
)