les: adapt to mclock change

les/freeclient_test.go

@@ -44,24 +44,19 @@ func TestFreeClientPoolL100C300(t *testing.T) {
 const testFreeClientPoolTicks = 500000
 
 func testFreeClientPool(t *testing.T, connLimit, clientCount int) {
-	quit := make(chan struct{})
+	var (
-	clock := mclock.NewSimulatedClock(time.Second, 10)
+		quit      = make(chan struct{})
-	defer clock.Stop()
+		clock     mclock.Simulated
-	var wg sync.WaitGroup
+		wg        sync.WaitGroup
-	db := ethdb.NewMemDatabase()
+		db        = ethdb.NewMemDatabase()
-
+		pool      = newFreeClientPool(db, connLimit, 10000, quit, &wg, &clock)
-	pool := newFreeClientPool(db, connLimit, 10000, quit, &wg, clock)
+		connected = make([]bool, clientCount)
-
+		connTicks = make([]int, clientCount)
-	connected := make([]bool, clientCount)
+		disconnCh = make(chan int)
-	connTicks := make([]int, clientCount)
+	)
-	disconnCh := make(chan int)
-	tickCh := clock.After(time.Second)
-	tickCounter := 0
-
 	peerId := func(i int) string {
 		return fmt.Sprintf("test peer #%d", i)
 	}
-
 	disconnFn := func(i int) func() {
 		return func() {
 			disconnCh <- i
@@ -73,21 +68,20 @@ func testFreeClientPool(t *testing.T, connLimit, clientCount int) {
 		if pool.connect(peerId(i), disconnFn(i)) {
 			connected[i] = true
 		} else {
-			t.Errorf("Test peer #%d rejected", i)
+			t.Fatalf("Test peer #%d rejected", i)
 		}
 	}
 	// since all accepted peers are new and should not be kicked out, the next one should be rejected
 	if pool.connect(peerId(connLimit), disconnFn(connLimit)) {
 		connected[connLimit] = true
-		t.Errorf("Peer accepted over connected limit")
+		t.Fatalf("Peer accepted over connected limit")
 	}
 
 	// randomly connect and disconnect peers, expect to have a similar total connection time at the end
-loop:
+	tickCounter := 0
-	for {
+	for ; tickCounter < testFreeClientPoolTicks; tickCounter++ {
-		select {
+		clock.Run(1 * time.Second)
-		case <-clock.PingChannel():
+
-		case <-tickCh:
 		i := rand.Intn(clientCount)
 		if connected[i] {
 			pool.disconnect(peerId(i))
@@ -99,17 +93,18 @@ loop:
 				connTicks[i] -= tickCounter
 			}
 		}
-			tickCounter++
+	pollDisconnects:
-			if tickCounter >= testFreeClientPoolTicks {
+		for {
-				break loop
+			select {
-			}
-			tickCh = clock.After(time.Second)
 			case i := <-disconnCh:
 				pool.disconnect(peerId(i))
 				if connected[i] {
 					connTicks[i] += tickCounter
 					connected[i] = false
 				}
+			default:
+				break pollDisconnects
+			}
 		}
 	}
 
@@ -137,7 +132,7 @@ loop:
 	wg.Wait()
 	quit2 := make(chan struct{})
 	var wg2 sync.WaitGroup
-	pool = newFreeClientPool(db, connLimit, 10000, quit2, &wg2, clock)
+	pool = newFreeClientPool(db, connLimit, 10000, quit2, &wg2, &clock)
 
 	// try connecting all known peers (connLimit should be filled up)
 	for i := 0; i < clientCount; i++ {

les/handler.go

@@ -228,7 +228,7 @@ func (pm *ProtocolManager) Start(maxPeers int) {
 	if pm.lightSync {
 		go pm.syncer()
 	} else {
-		pm.clientPool = newFreeClientPool(pm.chainDb, maxPeers, 10000, pm.quitSync, pm.wg, mclock.MonotonicClock{})
+		pm.clientPool = newFreeClientPool(pm.chainDb, maxPeers, 10000, pm.quitSync, pm.wg, mclock.System{})
 		go func() {
 			for range pm.newPeerCh {
 			}