1 files changed, 0 insertions, 214 deletions
diff --git a/vendor/gopkg.in/throttled/throttled.v1/memstats.go b/vendor/gopkg.in/throttled/throttled.v1/memstats.go
deleted file mode 100644
index bd2765630..000000000
--- a/vendor/gopkg.in/throttled/throttled.v1/memstats.go
+++ /dev/null
@@ -1,214 +0,0 @@
-package throttled
-
-import (
-	"net/http"
-	"runtime"
-	"sync"
-	"time"
-)
-
-// Static check to ensure that memStatsLimiter implements Limiter.
-var _ Limiter = (*memStatsLimiter)(nil)
-
-// The memStatsLimiter struct implements a limiter based on the memory statistics
-// of the current process.
-type memStatsLimiter struct {
-	thresholds  *runtime.MemStats
-	refreshRate time.Duration
-
-	lockStats sync.RWMutex
-	stats     runtime.MemStats
-}
-
-// MemStats creates a Throttler based on the memory statistics of the current process.
-// Any combination of any (non-array) integer field of Go's runtime.MemStats structure
-// can be used as thresholds to deny a request.
-//
-// As soon as one threshold value is reached, the access is denied. If the value can
-// decrease, access will be allowed again once it gets back under the threshold value.
-// Denied requests go through the denied handler, which may be specified on the Throttler
-// and that defaults to the package-global variable DefaultDeniedHandler.
-//
-// Thresholds must be specified in absolute numbers (i.e. NumGC = 10 means stop once the
-// NumGC reaches 10, not when the current value increments by 10), and zero values are
-// ignored.
-//
-// The refreshRate indicates the frequency at which the process' memory stats are refreshed,
-// and 0 means on each request.
-//
-func MemStats(thresholds *runtime.MemStats, refreshRate time.Duration) *Throttler {
-	return &Throttler{
-		limiter: &memStatsLimiter{
-			thresholds:  thresholds,
-			refreshRate: refreshRate,
-		},
-	}
-}
-
-// Start initialized the limiter for execution.
-func (m *memStatsLimiter) Start() {
-	// Make sure there is an initial MemStats reading
-	runtime.ReadMemStats(&m.stats)
-	if m.refreshRate > 0 {
-		go m.refresh()
-	}
-}
-
-// refresh runs in a separate goroutine and refreshes the memory statistics
-// at regular intervals.
-func (m *memStatsLimiter) refresh() {
-	c := time.Tick(m.refreshRate)
-	for _ = range c {
-		m.lockStats.Lock()
-		runtime.ReadMemStats(&m.stats)
-		m.lockStats.Unlock()
-	}
-}
-
-// Limit is called for each request to the throttled handler. It checks if
-// the request can go through by checking the memory thresholds, and signals it
-// via the returned channel.
-func (m *memStatsLimiter) Limit(w http.ResponseWriter, r *http.Request) (<-chan bool, error) {
-	ch := make(chan bool, 1)
-	// Check if memory thresholds are reached
-	ch <- m.allow()
-	return ch, nil
-}
-
-// allow compares the current memory stats with the thresholds, and returns
-// false if any threshold is reached.
-func (m *memStatsLimiter) allow() bool {
-	m.lockStats.RLock()
-	mem := m.stats
-	m.lockStats.RUnlock()
-	// If refreshRate == 0, then read on every request.
-	if m.refreshRate == 0 {
-		runtime.ReadMemStats(&mem)
-	}
-	ok := true
-	checkStat(m.thresholds.Alloc, mem.Alloc, &ok)
-	checkStat(m.thresholds.BuckHashSys, mem.BuckHashSys, &ok)
-	checkStat(m.thresholds.Frees, mem.Frees, &ok)
-	checkStat(m.thresholds.GCSys, mem.GCSys, &ok)
-	checkStat(m.thresholds.HeapAlloc, mem.HeapAlloc, &ok)
-	checkStat(m.thresholds.HeapIdle, mem.HeapIdle, &ok)
-	checkStat(m.thresholds.HeapInuse, mem.HeapInuse, &ok)
-	checkStat(m.thresholds.HeapObjects, mem.HeapObjects, &ok)
-	checkStat(m.thresholds.HeapReleased, mem.HeapReleased, &ok)
-	checkStat(m.thresholds.HeapSys, mem.HeapSys, &ok)
-	checkStat(m.thresholds.LastGC, mem.LastGC, &ok)
-	checkStat(m.thresholds.Lookups, mem.Lookups, &ok)
-	checkStat(m.thresholds.MCacheInuse, mem.MCacheInuse, &ok)
-	checkStat(m.thresholds.MCacheSys, mem.MCacheSys, &ok)
-	checkStat(m.thresholds.MSpanInuse, mem.MSpanInuse, &ok)
-	checkStat(m.thresholds.MSpanSys, mem.MSpanSys, &ok)
-	checkStat(m.thresholds.Mallocs, mem.Mallocs, &ok)
-	checkStat(m.thresholds.NextGC, mem.NextGC, &ok)
-	checkStat(uint64(m.thresholds.NumGC), uint64(mem.NumGC), &ok)
-	checkStat(m.thresholds.OtherSys, mem.OtherSys, &ok)
-	checkStat(m.thresholds.PauseTotalNs, mem.PauseTotalNs, &ok)
-	checkStat(m.thresholds.StackInuse, mem.StackInuse, &ok)
-	checkStat(m.thresholds.StackSys, mem.StackSys, &ok)
-	checkStat(m.thresholds.Sys, mem.Sys, &ok)
-	checkStat(m.thresholds.TotalAlloc, mem.TotalAlloc, &ok)
-	return ok
-}
-
-// Checks the threshold value against the actual value, and assigns false
-// to the boolean pointer if the threshold is reached.
-func checkStat(threshold, actual uint64, ok *bool) {
-	if !*ok {
-		return
-	}
-	if threshold > 0 {
-		if actual >= threshold {
-			*ok = false
-		}
-	}
-}
-
-// MemThresholds is a convenience function to create a thresholds memory stats from
-// offsets to apply to the current memory stats. Zero values in the offset stats
-// are left to 0 in the resulting thresholds memory stats value.
-//
-// The return value may be used as thresholds argument to the MemStats function.
-func MemThresholds(offset *runtime.MemStats) *runtime.MemStats {
-	var mem, thr runtime.MemStats
-	runtime.ReadMemStats(&mem)
-	if offset.Alloc > 0 {
-		thr.Alloc = mem.Alloc + offset.Alloc
-	}
-	if offset.BuckHashSys > 0 {
-		thr.BuckHashSys = mem.BuckHashSys + offset.BuckHashSys
-	}
-	if offset.Frees > 0 {
-		thr.Frees = mem.Frees + offset.Frees
-	}
-	if offset.GCSys > 0 {
-		thr.GCSys = mem.GCSys + offset.GCSys
-	}
-	if offset.HeapAlloc > 0 {
-		thr.HeapAlloc = mem.HeapAlloc + offset.HeapAlloc
-	}
-	if offset.HeapIdle > 0 {
-		thr.HeapIdle = mem.HeapIdle + offset.HeapIdle
-	}
-	if offset.HeapInuse > 0 {
-		thr.HeapInuse = mem.HeapInuse + offset.HeapInuse
-	}
-	if offset.HeapObjects > 0 {
-		thr.HeapObjects = mem.HeapObjects + offset.HeapObjects
-	}
-	if offset.HeapReleased > 0 {
-		thr.HeapReleased = mem.HeapReleased + offset.HeapReleased
-	}
-	if offset.HeapSys > 0 {
-		thr.HeapSys = mem.HeapSys + offset.HeapSys
-	}
-	if offset.LastGC > 0 {
-		thr.LastGC = mem.LastGC + offset.LastGC
-	}
-	if offset.Lookups > 0 {
-		thr.Lookups = mem.Lookups + offset.Lookups
-	}
-	if offset.MCacheInuse > 0 {
-		thr.MCacheInuse = mem.MCacheInuse + offset.MCacheInuse
-	}
-	if offset.MCacheSys > 0 {
-		thr.MCacheSys = mem.MCacheSys + offset.MCacheSys
-	}
-	if offset.MSpanInuse > 0 {
-		thr.MSpanInuse = mem.MSpanInuse + offset.MSpanInuse
-	}
-	if offset.MSpanSys > 0 {
-		thr.MSpanSys = mem.MSpanSys + offset.MSpanSys
-	}
-	if offset.Mallocs > 0 {
-		thr.Mallocs = mem.Mallocs + offset.Mallocs
-	}
-	if offset.NextGC > 0 {
-		thr.NextGC = mem.NextGC + offset.NextGC
-	}
-	if offset.NumGC > 0 {
-		thr.NumGC = mem.NumGC + offset.NumGC
-	}
-	if offset.OtherSys > 0 {
-		thr.OtherSys = mem.OtherSys + offset.OtherSys
-	}
-	if offset.PauseTotalNs > 0 {
-		thr.PauseTotalNs = mem.PauseTotalNs + offset.PauseTotalNs
-	}
-	if offset.StackInuse > 0 {
-		thr.StackInuse = mem.StackInuse + offset.StackInuse
-	}
-	if offset.StackSys > 0 {
-		thr.StackSys = mem.StackSys + offset.StackSys
-	}
-	if offset.Sys > 0 {
-		thr.Sys = mem.Sys + offset.Sys
-	}
-	if offset.TotalAlloc > 0 {
-		thr.TotalAlloc = mem.TotalAlloc + offset.TotalAlloc
-	}
-	return &thr
-}