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Fix #72: Connected placeholder shouldn't resolve to true when when host is unreachable

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This commit is contained in:
TwinProduction
2021-01-12 21:08:18 -05:00
parent a515335c15
commit aec867ae69
9 changed files with 279 additions and 121 deletions
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38
vendor/github.com/TwinProduction/gocache/janitor.go generated vendored
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@ -2,7 +2,6 @@ package gocache
import (
"log"
"runtime"
"time"
)
@ -24,9 +23,10 @@ const (
)
// StartJanitor starts the janitor on a different goroutine
// The janitor's job is to delete expired keys in the background.
// The janitor's job is to delete expired keys in the background, in other words, it takes care of passive eviction.
// It can be stopped by calling Cache.StopJanitor.
// If you do not start the janitor, expired keys will only be deleted when they are accessed through Get
// If you do not start the janitor, expired keys will only be deleted when they are accessed through Get, GetByKeys, or
// GetAll.
func (cache *Cache) StartJanitor() error {
if cache.stopJanitor != nil {
return ErrJanitorAlreadyRunning
@ -109,26 +109,32 @@ func (cache *Cache) StartJanitor() error {
}
cache.mutex.Unlock()
case <-cache.stopJanitor:
cache.stopJanitor = nil
cache.stopJanitor <- true
return
}
}
}()
if Debug {
go func() {
var m runtime.MemStats
for {
runtime.ReadMemStats(&m)
log.Printf("Alloc=%vMB; HeapReleased=%vMB; Sys=%vMB; HeapInUse=%vMB; HeapObjects=%v; HeapObjectsFreed=%v; GC=%v; cache.memoryUsage=%vMB; cacheSize=%d\n", m.Alloc/1024/1024, m.HeapReleased/1024/1024, m.Sys/1024/1024, m.HeapInuse/1024/1024, m.HeapObjects, m.Frees, m.NumGC, cache.memoryUsage/1024/1024, cache.Count())
time.Sleep(3 * time.Second)
}
}()
}
//if Debug {
// go func() {
// var m runtime.MemStats
// for {
// runtime.ReadMemStats(&m)
// log.Printf("Alloc=%vMB; HeapReleased=%vMB; Sys=%vMB; HeapInUse=%vMB; HeapObjects=%v; HeapObjectsFreed=%v; GC=%v; cache.memoryUsage=%vMB; cacheSize=%d\n", m.Alloc/1024/1024, m.HeapReleased/1024/1024, m.Sys/1024/1024, m.HeapInuse/1024/1024, m.HeapObjects, m.Frees, m.NumGC, cache.memoryUsage/1024/1024, cache.Count())
// time.Sleep(3 * time.Second)
// }
// }()
//}
return nil
}
// StopJanitor stops the janitor
func (cache *Cache) StopJanitor() {
cache.stopJanitor <- true
time.Sleep(100 * time.Millisecond)
if cache.stopJanitor != nil {
// Tell the janitor to stop, and then wait for the janitor to reply on the same channel that it's stopping
// This may seem a bit odd, but this allows us to avoid a data race condition in which setting cache.stopJanitor
// to nil
cache.stopJanitor <- true
<-cache.stopJanitor
cache.stopJanitor = nil
}
}