update go-limiter to v0.3.0 (#9697)

go.mod

@@ -131,7 +131,7 @@ require (
 	github.com/ryanuber/go-glob v1.0.0
 	github.com/samuel/go-zookeeper v0.0.0-20180130194729-c4fab1ac1bec
 	github.com/sasha-s/go-deadlock v0.2.0
-	github.com/sethvargo/go-limiter v0.2.3
+	github.com/sethvargo/go-limiter v0.3.0
 	github.com/shirou/gopsutil v2.20.6-0.20200630091542-01afd763e6c0+incompatible
 	github.com/stretchr/testify v1.5.1
 	github.com/tidwall/pretty v1.0.1 // indirect

go.sum

@@ -853,6 +853,8 @@ github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 h1:nn5Wsu0esKSJiIVhscUt
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
 github.com/sethvargo/go-limiter v0.2.3 h1:xgphnEi/Ga/1JMU3Y4Zc8PzyOes4fci/wWwHN6alcqg=
 github.com/sethvargo/go-limiter v0.2.3/go.mod h1:C0kbSFbiriE5k2FFOe18M1YZbAR2Fiwf72uGu0CXCcU=
+github.com/sethvargo/go-limiter v0.3.0 h1:yRMc+Qs2yqw6YJp6UxrO2iUs6DOSq4zcnljbB7/rMns=
+github.com/sethvargo/go-limiter v0.3.0/go.mod h1:C0kbSFbiriE5k2FFOe18M1YZbAR2Fiwf72uGu0CXCcU=
 github.com/shirou/gopsutil v2.20.6-0.20200630091542-01afd763e6c0+incompatible h1:IYOqH6sML3rQGNVEQ5foLtpDt4TeW8PIUBuI9f8itkI=
 github.com/shirou/gopsutil v2.20.6-0.20200630091542-01afd763e6c0+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24 h1:pntxY8Ary0t43dCZ5dqY4YTJCObLY1kIXl0uzMv+7DE=

vendor/github.com/sethvargo/go-limiter/internal/fasttime/fasttime.go

@@ -0,0 +1,19 @@
+// +build !windows
+
+// Package fasttime gets wallclock time, but super fast.
+package fasttime
+
+import (
+	_ "unsafe"
+)
+
+//go:noescape
+//go:linkname walltime runtime.walltime
+func walltime() (int64, int32)
+
+// Now returns a monotonic clock value. The actual value will differ across
+// systems, but that's okay because we generally only care about the deltas.
+func Now() uint64 {
+	x, y := walltime()
+	return uint64(x)*1e9 + uint64(y)
+}

vendor/github.com/sethvargo/go-limiter/internal/fasttime/fasttime_windows.go

@@ -0,0 +1,11 @@
+// +build windows
+
+package fasttime
+
+import "time"
+
+// Now returns a monotonic clock value. On Windows, no such clock exists, so we
+// fallback to time.Now().
+func Now() uint64 {
+	return uint64(time.Now().UnixNano())
+}

vendor/github.com/sethvargo/go-limiter/memorystore/store.go

@@ -8,6 +8,7 @@ import (
 	"unsafe"
 
 	"github.com/sethvargo/go-limiter"
+	"github.com/sethvargo/go-limiter/internal/fasttime"
 )
 
 var _ limiter.Store = (*store)(nil)
@@ -181,7 +182,7 @@ func (s *store) purge() {
 		}
 
 		s.dataLock.Lock()
-		now := fastnow()
+		now := fasttime.Now()
 		for k, b := range s.data {
 			lastTick := (*bucketState)(atomic.LoadPointer(&b.bucketState)).lastTick
 			lastTime := b.startTime + (lastTick * uint64(b.interval))
@@ -231,7 +232,7 @@ type bucketState struct {
 // newBucket creates a new bucket from the given tokens and interval.
 func newBucket(tokens uint64, interval time.Duration, rate float64) *bucket {
 	b := &bucket{
-		startTime: fastnow(),
+		startTime: fasttime.Now(),
 		maxTokens: tokens,
 		interval:  interval,
 		fillRate:  rate,
@@ -250,7 +251,7 @@ func newBucket(tokens uint64, interval time.Duration, rate float64) *bucket {
 func (b *bucket) take() (uint64, uint64, uint64, bool) {
 	// Capture the current request time, current tick, and amount of time until
 	// the bucket resets.
-	now := fastnow()
+	now := fasttime.Now()
 	currTick := tick(b.startTime, now, b.interval)
 	next := b.startTime + ((currTick + 1) * uint64(b.interval))
 
@@ -313,14 +314,3 @@ func availableTokens(last, curr, max uint64, fillRate float64) uint64 {
 func tick(start, curr uint64, interval time.Duration) uint64 {
 	return (curr - start) / uint64(interval)
 }
-
-//go:noescape
-//go:linkname walltime runtime.walltime
-func walltime() (int64, int32)
-
-// fastnow returns a monotonic clock value. The actual value will differ across
-// systems, but that's okay because we generally only care about the deltas.
-func fastnow() uint64 {
-	x, y := walltime()
-	return uint64(x)*1e9 + uint64(y)
-}

vendor/modules.txt

@@ -801,9 +801,10 @@ github.com/samuel/go-zookeeper/zk
 github.com/sasha-s/go-deadlock
 # github.com/satori/go.uuid v1.2.0
 github.com/satori/go.uuid
-# github.com/sethvargo/go-limiter v0.2.3
+# github.com/sethvargo/go-limiter v0.3.0
 github.com/sethvargo/go-limiter
 github.com/sethvargo/go-limiter/httplimit
+github.com/sethvargo/go-limiter/internal/fasttime
 github.com/sethvargo/go-limiter/memorystore
 # github.com/shirou/gopsutil v2.20.6-0.20200630091542-01afd763e6c0+incompatible
 github.com/shirou/gopsutil/cpu