일단 클라이언트 코드 채움

Server/include/ServerManager/ServerManager.hpp

@@ -51,7 +51,7 @@ public:
     void processDataPostPacket(DataPostPacket dataPostPacket, IOCPPASSINDATA* data);
     void processContinuePacket(ContinuePacket continuePacket, IOCPPASSINDATA* data);
 
-    void registerUser(std::string userName, std::shared_ptr<TCPSocket> sock);
+    bool registerUser(std::string userName, std::shared_ptr<TCPSocket> sock);
     void deleteUser(Snowflake UID);
     std::vector<std::pair<Snowflake, std::string>> getUserList();
 
@@ -82,7 +82,7 @@ private:
     std::unordered_map<std::shared_ptr<TCPSocket>, Snowflake> userSocket2UID_;
 
     std::unordered_map<Snowflake, std::string> userNames_;
-
+    std::unordered_map<std::string, Snowflake> userName2ID_;
 
 };