fix(http): change the way to start http server (#596)

rdsn @ fafbd599

-Subproject commit f6f0eb4b67bfdd03f1c0ac707f6bd6c459e4340c
+Subproject commit fafbd599d1df48b36bade4d08940ab79837aaf3b

src/server/info_collector_app.cpp

@@ -16,8 +16,9 @@ namespace pegasus {
 namespace server {
 
 info_collector_app::info_collector_app(const dsn::service_app_info *info)
-    : service_app(info), _updater_started(false), _http_server(new ::dsn::http_server())
+    : service_app(info), _updater_started(false)
 {
+    dsn::start_http_server();
 }
 
 info_collector_app::~info_collector_app() {}

src/server/info_collector_app.h

@@ -25,7 +25,6 @@ private:
     info_collector _collector;
     available_detector _detector;
     bool _updater_started;
-    std::unique_ptr<::dsn::http_server> _http_server;
 };
 }
 } // namespace