std::string_view 的使用

module/Local_Server/server/WebSocket_Manager.cpp

@@ -4,6 +4,7 @@
 #include <drogon/HttpAppFramework.h>
 #include <drogon/WebSocketController.h>
 #include <unordered_set>
+#include <string_view>
 class DSP_Ws_Mgr : public drogon::WebSocketController<DSP_Ws_Mgr> {
 public:
   static DSP_Ws_Mgr *instance() { return inst_; }
@@ -26,8 +27,8 @@ struct WebSocket_Connection {
   std::string type;
 };
 
-WebSocket_Manager::WebSocket_Manager(std::string path)
-    : path(std::move(path)) {}
+WebSocket_Manager::WebSocket_Manager(std::string_view path)
+    : path(path) {}
 void WebSocket_Manager::remove(const drogon::WebSocketConnectionPtr &conn) {
   std::lock_guard<std::mutex> g(mtx);
   connections.erase(conn);
@@ -55,20 +56,21 @@ size_t WebSocket_Manager::get_websocket_connect_num() {
   return connections.size();
 }
 
-std::shared_ptr<WebSocket_Manager> Ws_Mgr::register_ws(std::string path) {
-  auto it = map.find(path);
+std::shared_ptr<WebSocket_Manager> Ws_Mgr::register_ws(std::string_view path) {
+  auto path_string = std::string(path);
+  auto it = map.find(path_string);
   if (it != map.end()) {
-    Psc::fail_fast_core_dump("register_ws:" + VAR_STR_1(path) + "重复创建！");
+    Psc::fail_fast_core_dump("register_ws:" + VAR_STR_1(path_string) + "重复创建！");
     return it->second;
   }
   std::shared_ptr<WebSocket_Manager> cur =
-      std::make_shared<WebSocket_Manager>(path);
-  map[path] = cur;
+      std::make_shared<WebSocket_Manager>(path_string);
+  map[path_string] = cur;
   return cur;
 }
 
-std::shared_ptr<WebSocket_Manager> Ws_Mgr::get_ws(std::string path) {
-  auto it = map.find(path);
+std::shared_ptr<WebSocket_Manager> Ws_Mgr::get_ws(std::string_view path) {
+  auto it = map.find(std::string(path));
   if (it != map.end()) {
     return it->second;
   }
@@ -111,4 +113,4 @@ void DSP_Ws_Mgr::handleNewConnection(
   conn->setContext(std::make_shared<WebSocket_Connection>(std::move(s)));
   ws->add(conn);
 }
-DSP_Ws_Mgr::DSP_Ws_Mgr() { inst_ = this; }
+DSP_Ws_Mgr::DSP_Ws_Mgr() { inst_ = this; }