Rewrite console throttling logic; drop complex timer usage and use a very simple throttle

This also removes server process termination logic when a server is breaching the output limits. It simply continues to efficiently throttle the console output.

server/power_test.go

@@ -1,154 +1,18 @@
 package server
 
 import (
-	"context"
 	"testing"
-	"time"
 
-	"emperror.dev/errors"
 	. "github.com/franela/goblin"
+	"github.com/pterodactyl/wings/system"
 )
 
 func TestPower(t *testing.T) {
 	g := Goblin(t)
 
-	g.Describe("PowerLocker", func() {
-		var pl *powerLocker
-		g.BeforeEach(func() {
-			pl = newPowerLocker()
-		})
-
-		g.Describe("PowerLocker#IsLocked", func() {
-			g.It("should return false when the channel is empty", func() {
-				g.Assert(cap(pl.ch)).Equal(1)
-				g.Assert(pl.IsLocked()).IsFalse()
-			})
-
-			g.It("should return true when the channel is at capacity", func() {
-				pl.ch <- true
-
-				g.Assert(pl.IsLocked()).IsTrue()
-				<-pl.ch
-				g.Assert(pl.IsLocked()).IsFalse()
-
-				// We don't care what the channel value is, just that there is
-				// something in it.
-				pl.ch <- false
-				g.Assert(pl.IsLocked()).IsTrue()
-				g.Assert(cap(pl.ch)).Equal(1)
-			})
-		})
-
-		g.Describe("PowerLocker#Acquire", func() {
-			g.It("should acquire a lock when channel is empty", func() {
-				err := pl.Acquire()
-
-				g.Assert(err).IsNil()
-				g.Assert(cap(pl.ch)).Equal(1)
-				g.Assert(len(pl.ch)).Equal(1)
-			})
-
-			g.It("should return an error when the channel is full", func() {
-				pl.ch <- true
-
-				err := pl.Acquire()
-
-				g.Assert(err).IsNotNil()
-				g.Assert(errors.Is(err, ErrPowerLockerLocked)).IsTrue()
-				g.Assert(cap(pl.ch)).Equal(1)
-				g.Assert(len(pl.ch)).Equal(1)
-			})
-		})
-
-		g.Describe("PowerLocker#TryAcquire", func() {
-			g.It("should acquire a lock when channel is empty", func() {
-				g.Timeout(time.Second)
-
-				err := pl.TryAcquire(context.Background())
-
-				g.Assert(err).IsNil()
-				g.Assert(cap(pl.ch)).Equal(1)
-				g.Assert(len(pl.ch)).Equal(1)
-				g.Assert(pl.IsLocked()).IsTrue()
-			})
-
-			g.It("should block until context is canceled if channel is full", func() {
-				g.Timeout(time.Second)
-				ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*500)
-				defer cancel()
-
-				pl.ch <- true
-				err := pl.TryAcquire(ctx)
-
-				g.Assert(err).IsNotNil()
-				g.Assert(errors.Is(err, context.DeadlineExceeded)).IsTrue()
-				g.Assert(cap(pl.ch)).Equal(1)
-				g.Assert(len(pl.ch)).Equal(1)
-				g.Assert(pl.IsLocked()).IsTrue()
-			})
-
-			g.It("should block until lock can be acquired", func() {
-				g.Timeout(time.Second)
-
-				ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*200)
-				defer cancel()
-
-				pl.Acquire()
-				go func() {
-					time.AfterFunc(time.Millisecond * 50, func() {
-						pl.Release()
-					})
-				}()
-
-				err := pl.TryAcquire(ctx)
-				g.Assert(err).IsNil()
-				g.Assert(cap(pl.ch)).Equal(1)
-				g.Assert(len(pl.ch)).Equal(1)
-				g.Assert(pl.IsLocked()).IsTrue()
-			})
-		})
-
-		g.Describe("PowerLocker#Release", func() {
-			g.It("should release when channel is full", func() {
-				pl.Acquire()
-				g.Assert(pl.IsLocked()).IsTrue()
-				pl.Release()
-				g.Assert(cap(pl.ch)).Equal(1)
-				g.Assert(len(pl.ch)).Equal(0)
-				g.Assert(pl.IsLocked()).IsFalse()
-			})
-
-			g.It("should release when channel is empty", func() {
-				g.Assert(pl.IsLocked()).IsFalse()
-				pl.Release()
-				g.Assert(cap(pl.ch)).Equal(1)
-				g.Assert(len(pl.ch)).Equal(0)
-				g.Assert(pl.IsLocked()).IsFalse()
-			})
-		})
-
-		g.Describe("PowerLocker#Destroy", func() {
-			g.It("should unlock and close the channel", func() {
-				pl.Acquire()
-				g.Assert(pl.IsLocked()).IsTrue()
-				pl.Destroy()
-				g.Assert(pl.IsLocked()).IsFalse()
-
-				defer func() {
-					r := recover()
-
-					g.Assert(r).IsNotNil()
-					g.Assert(r.(error).Error()).Equal("send on closed channel")
-				}()
-
-				pl.Acquire()
-			})
-		})
-	})
-
 	g.Describe("Server#ExecutingPowerAction", func() {
 		g.It("should return based on locker status", func() {
-			s := &Server{powerLock: newPowerLocker()}
+			s := &Server{powerLock: system.NewLocker()}
 
 			g.Assert(s.ExecutingPowerAction()).IsFalse()
 			s.powerLock.Acquire()