single instance log & add global broadcast

doric-Qt/example/doric/utils/DoricGlobalBroadcast.cpp

@@ -0,0 +1 @@
+#include "DoricGlobalBroadcast.h"

doric-Qt/example/doric/utils/DoricGlobalBroadcast.h

@@ -0,0 +1,20 @@
+#ifndef DORICGLOBALBROADCAST_H
+#define DORICGLOBALBROADCAST_H
+
+#include <QDebug>
+
+class DoricGlobalBroadcast {
+private:
+  static DoricGlobalBroadcast *local_instance;
+  DoricGlobalBroadcast() { qDebug() << "DoricGlobalBroadcast constructor"; }
+
+  ~DoricGlobalBroadcast() { qDebug() << "DoricGlobalBroadcast destructor"; }
+
+public:
+  static DoricGlobalBroadcast *getInstance() {
+    static DoricGlobalBroadcast instance;
+    return &instance;
+  }
+};
+
+#endif // DORICGLOBALBROADCAST_H

doric-Qt/example/doric/utils/DoricNetworkService.h

@@ -70,11 +70,11 @@ private:
 
   static DoricNetworkService *local_instance;
   DoricNetworkService() {
-    qDebug() << "constructor";
+    qDebug() << "DoricNetworkService constructor";
     thread.start();
   }
 
-  ~DoricNetworkService() { qDebug() << "destructor"; }
+  ~DoricNetworkService() { qDebug() << "DoricNetworkService destructor"; }
 
 public:
   static DoricNetworkService *getInstance() {