Refactoring, logging improvements

src/Http/Server.php

@@ -54,8 +54,13 @@ class Server
         $this->config = $config;
 
         $this->logger = $logger ?? new NullLogger();
+        if ($logger instanceof Logger) {
+            $topicLogger = $logger->withName("broker");
+        } else {
+            $topicLogger = $this->logger;
+        }
 
-        $this->topicManager = new TopicManager();
+        $this->topicManager = new TopicManager($topicLogger);
         $this->loop->addPeriodicTimer(30, function () {
             $this->topicManager->garbageCollect();
         });