HTTP subsystem refactoring, fixed possible crashes shortly after destroying daemon or self-select client.

src/base/api/Httpd.h

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -26,14 +26,15 @@
 #define XMRIG_HTTPD_H
 
 
-#include <cstdint>
-
-
 #include "base/kernel/interfaces/IBaseListener.h"
-#include "base/kernel/interfaces/IHttpListener.h"
+#include "base/net/http/HttpListener.h"
 #include "base/tools/Object.h"
 
 
+#include <cstdint>
+#include <memory>
+
+
 namespace xmrig {
 
 
@@ -62,6 +63,7 @@ private:
 
     Base *m_base;
     HttpServer *m_http;
+    std::shared_ptr<IHttpListener> m_httpListener;
     TcpServer *m_server;
     uint16_t m_port;
 };