vendor: delete

1 files changed, 0 insertions, 134 deletions

diff --git a/vendor/github.com/rs/zerolog/sampler.go b/vendor/github.com/rs/zerolog/sampler.go
deleted file mode 100644
index 1be98c4f9..000000000
--- a/vendor/github.com/rs/zerolog/sampler.go
+++ /dev/null
@@ -1,134 +0,0 @@
-package zerolog
-
-import (
-	"math/rand"
-	"sync/atomic"
-	"time"
-)
-
-var (
-	// Often samples log every ~ 10 events.
-	Often = RandomSampler(10)
-	// Sometimes samples log every ~ 100 events.
-	Sometimes = RandomSampler(100)
-	// Rarely samples log every ~ 1000 events.
-	Rarely = RandomSampler(1000)
-)
-
-// Sampler defines an interface to a log sampler.
-type Sampler interface {
-	// Sample returns true if the event should be part of the sample, false if
-	// the event should be dropped.
-	Sample(lvl Level) bool
-}
-
-// RandomSampler use a PRNG to randomly sample an event out of N events,
-// regardless of their level.
-type RandomSampler uint32
-
-// Sample implements the Sampler interface.
-func (s RandomSampler) Sample(lvl Level) bool {
-	if s <= 0 {
-		return false
-	}
-	if rand.Intn(int(s)) != 0 {
-		return false
-	}
-	return true
-}
-
-// BasicSampler is a sampler that will send every Nth events, regardless of
-// their level.
-type BasicSampler struct {
-	N       uint32
-	counter uint32
-}
-
-// Sample implements the Sampler interface.
-func (s *BasicSampler) Sample(lvl Level) bool {
-	n := s.N
-	if n == 1 {
-		return true
-	}
-	c := atomic.AddUint32(&s.counter, 1)
-	return c%n == 1
-}
-
-// BurstSampler lets Burst events pass per Period then pass the decision to
-// NextSampler. If Sampler is not set, all subsequent events are rejected.
-type BurstSampler struct {
-	// Burst is the maximum number of event per period allowed before calling
-	// NextSampler.
-	Burst uint32
-	// Period defines the burst period. If 0, NextSampler is always called.
-	Period time.Duration
-	// NextSampler is the sampler used after the burst is reached. If nil,
-	// events are always rejected after the burst.
-	NextSampler Sampler
-
-	counter uint32
-	resetAt int64
-}
-
-// Sample implements the Sampler interface.
-func (s *BurstSampler) Sample(lvl Level) bool {
-	if s.Burst > 0 && s.Period > 0 {
-		if s.inc() <= s.Burst {
-			return true
-		}
-	}
-	if s.NextSampler == nil {
-		return false
-	}
-	return s.NextSampler.Sample(lvl)
-}
-
-func (s *BurstSampler) inc() uint32 {
-	now := time.Now().UnixNano()
-	resetAt := atomic.LoadInt64(&s.resetAt)
-	var c uint32
-	if now > resetAt {
-		c = 1
-		atomic.StoreUint32(&s.counter, c)
-		newResetAt := now + s.Period.Nanoseconds()
-		reset := atomic.CompareAndSwapInt64(&s.resetAt, resetAt, newResetAt)
-		if !reset {
-			// Lost the race with another goroutine trying to reset.
-			c = atomic.AddUint32(&s.counter, 1)
-		}
-	} else {
-		c = atomic.AddUint32(&s.counter, 1)
-	}
-	return c
-}
-
-// LevelSampler applies a different sampler for each level.
-type LevelSampler struct {
-	TraceSampler, DebugSampler, InfoSampler, WarnSampler, ErrorSampler Sampler
-}
-
-func (s LevelSampler) Sample(lvl Level) bool {
-	switch lvl {
-	case TraceLevel:
-		if s.TraceSampler != nil {
-			return s.TraceSampler.Sample(lvl)
-		}
-	case DebugLevel:
-		if s.DebugSampler != nil {
-			return s.DebugSampler.Sample(lvl)
-		}
-	case InfoLevel:
-		if s.InfoSampler != nil {
-			return s.InfoSampler.Sample(lvl)
-		}
-	case WarnLevel:
-		if s.WarnSampler != nil {
-			return s.WarnSampler.Sample(lvl)
-		}
-	case ErrorLevel:
-		if s.ErrorSampler != nil {
-			return s.ErrorSampler.Sample(lvl)
-		}
-	}
-	return true
-}