examples: improve the output of the websocket examples

examples/websocket/client-server/server.v

@@ -3,17 +3,28 @@ module main
 import net.websocket
 import term
 
+fn slog(message string) {
+	eprintln(term.colorize(term.bright_yellow, message))
+}
+
 // this server accepts client connections and broadcast all messages to other connected clients
 fn main() {
-	println('press ctrl-c to quit...')
+	eprintln('press ctrl-c to quit...')
 	start_server()!
 }
 
 fn start_server() ! {
+	slog('start_server')
 	mut s := websocket.new_server(.ip6, 30000, '')
+	defer {
+		unsafe {
+			s.free()
+		}
+	}
 	// Make that in execution test time give time to execute at least one time
 	s.ping_interval = 100
 	s.on_connect(fn (mut s websocket.ServerClient) !bool {
+		slog('s.on_connect')
 		// Here you can look att the client info and accept or not accept
 		// just returning a true/false
 		if s.resource_name != '/' {
@@ -24,6 +35,7 @@ fn start_server() ! {
 
 	// on_message_ref, broadcast all incoming messages to all clients except the one sent it
 	s.on_message_ref(fn (mut ws websocket.Client, msg &websocket.Message, mut m websocket.Server) ! {
+		slog('s.on_message_ref')
 		// for _, cli in m.clients {
 		for i, _ in m.clients {
 			mut c := m.clients[i]
@@ -34,10 +46,10 @@ fn start_server() ! {
 	}, s)
 
 	s.on_close(fn (mut ws websocket.Client, code int, reason string) ! {
+		slog('s.on_close')
 		println(term.green('client (${ws.id}) closed connection'))
 	})
+
 	s.listen() or { println(term.red('error on server listen: ${err}')) }
-	unsafe {
-		s.free()
-	}
+	slog('s.listen done')
 }