cmd, console, miner, mobile: proper node Close() termination

cmd/faucet/faucet.go

@@ -282,7 +282,7 @@ func newFaucet(genesis *core.Genesis, port int, enodes []*discv5.Node, network u
 
 // close terminates the Ethereum connection and tears down the faucet.
 func (f *faucet) close() error {
-	return f.stack.Stop()
+	return f.stack.Close()
 }
 
 // listenAndServe registers the HTTP handlers for the faucet and boots it up

cmd/swarm/main.go

@@ -288,6 +288,7 @@ func bzzd(ctx *cli.Context) error {
 	if err != nil {
 		utils.Fatalf("can't create node: %v", err)
 	}
+	defer stack.Close()
 
 	//a few steps need to be done after the config phase is completed,
 	//due to overriding behavior
@@ -365,6 +366,8 @@ func getPrivKey(ctx *cli.Context) *ecdsa.PrivateKey {
 	if err != nil {
 		utils.Fatalf("can't create node: %v", err)
 	}
+	defer stack.Close()
+
 	return getAccount(bzzconfig.BzzAccount, ctx, stack)
 }
 

console/console_test.go

@@ -149,8 +149,8 @@ func (env *tester) Close(t *testing.T) {
 	if err := env.console.Stop(false); err != nil {
 		t.Errorf("failed to stop embedded console: %v", err)
 	}
-	if err := env.stack.Stop(); err != nil {
-		t.Errorf("failed to stop embedded node: %v", err)
+	if err := env.stack.Close(); err != nil {
+		t.Errorf("failed to tear down embedded node: %v", err)
 	}
 	os.RemoveAll(env.workspace)
 }

miner/stress_clique.go

@@ -69,7 +69,7 @@ func main() {
 		if err != nil {
 			panic(err)
 		}
-		defer node.Stop()
+		defer node.Close()
 
 		for node.Server().NodeInfo().Ports.Listener == 0 {
 			time.Sleep(250 * time.Millisecond)

miner/stress_ethash.go

@@ -69,7 +69,7 @@ func main() {
 		if err != nil {
 			panic(err)
 		}
-		defer node.Stop()
+		defer node.Close()
 
 		for node.Server().NodeInfo().Ports.Listener == 0 {
 			time.Sleep(250 * time.Millisecond)

mobile/geth.go

@@ -192,6 +192,12 @@ func NewNode(datadir string, config *NodeConfig) (stack *Node, _ error) {
 	return &Node{rawStack}, nil
 }
 
+// Close terminates a running node along with all it's services, tearing internal
+// state doen too. It's not possible to restart a closed node.
+func (n *Node) Close() error {
+	return n.node.Close()
+}
+
 // Start creates a live P2P node and starts running it.
 func (n *Node) Start() error {
 	return n.node.Start()

node/node_example_test.go

@@ -47,6 +47,7 @@ func ExampleService() {
 		log.Fatalf("Failed to create network node: %v", err)
 	}
 	defer stack.Close()
+
 	// Create and register a simple network service. This is done through the definition
 	// of a node.ServiceConstructor that will instantiate a node.Service. The reason for
 	// the factory method approach is to support service restarts without relying on the