MessageResponse 구현

@@ -4,7 +4,7 @@ import { loginHandler } from "./handler/loginHandler";
 import { roomChatHandler } from "./handler/roomChatHandler";
 import { roomJoinHandler } from "./handler/roomJoinHandler";
 import { roomLeaveHandler } from "./handler/roomLeaveHandler";
-import { Message, MessageType } from "./types";
+import { Message, MessageResponse, MessageType } from "./types";
 
 export class MessageHandlerRegistry {
   static registerHandlers(connection: Connection) {
@@ -29,21 +29,25 @@ export class MessageHandlerRegistry {
   private static registerHandler<T extends Message>(
     connection: Connection,
     typeName: string,
-    handler: (connection: Connection, message: T) => void
+    handler: (connection: Connection, message: T) => MessageResponse
   ) {
-    connection.socket.on(typeName, (message: T) => {
-      handler(connection, message);
+    connection.socket.on(typeName, (message: T, callback: Function) => {
+      const response = handler(connection, message);
+      callback(response);
     });
   }
 
   private static registerHandlerAuthed<T extends Message>(
     connection: Connection,
     typeName: string,
-    handler: (user: User, message: T) => void
+    handler: (user: User, message: T) => MessageResponse
   ) {
-    connection.socket.on(typeName, (message: T) => {
+    connection.socket.on(typeName, (message: T, callback: Function) => {
       if (connection.user !== undefined) {
-        handler(connection.user, message);
+        const response = handler(connection.user, message);
+        callback(response);
+      } else {
+        callback({ ok: false });
       }
     });
   }

 import { Connection } from "../../connection/Connection";
 import { RoomManager } from "../../room/RoomManager";
 import { User } from "../../user/User";
-import { LoginMessage } from "../types";
+import { LoginMessage, MessageResponse } from "../types";
 
 export function loginHandler(
   connection: Connection,
   message: LoginMessage
-): void {
+): MessageResponse {
   connection.user = new User(message.username, connection);
   console.log(`User ${message.username} has logged in!`);
 
   RoomManager.instance().sendList(connection);
+
+  return { ok: true };
 }

 import { Connection } from "../../connection/Connection";
 import { RoomManager } from "../../room/RoomManager";
 import { User } from "../../user/User";
-import { RoomChatMessage, RoomJoinMessage } from "../types";
+import { MessageResponse, RoomChatMessage, RoomJoinMessage } from "../types";
 
-export function roomChatHandler(user: User, message: RoomChatMessage): void {
+export function roomChatHandler(
+  user: User,
+  message: RoomChatMessage
+): MessageResponse {
   user.room?.sendChat(user, message.message);
+  return { ok: true };
 }

 import { Connection } from "../../connection/Connection";
 import { RoomManager } from "../../room/RoomManager";
 import { User } from "../../user/User";
-import { RoomJoinMessage } from "../types";
+import { MessageResponse, RoomJoinMessage } from "../types";
 
-export function roomJoinHandler(user: User, message: RoomJoinMessage): void {
+export function roomJoinHandler(
+  user: User,
+  message: RoomJoinMessage
+): MessageResponse {
   const room = RoomManager.instance().get(message.uuid);
   if (room !== undefined) {
     room.connect(user);
+    return { ok: true };
   }
+  return { ok: false };
 }

 import { Connection } from "../../connection/Connection";
 import { RoomManager } from "../../room/RoomManager";
 import { User } from "../../user/User";
-import { RoomLeaveMessage } from "../types";
+import { MessageResponse, RoomLeaveMessage } from "../types";
 
-export function roomLeaveHandler(user: User, message: RoomLeaveMessage): void {
+export function roomLeaveHandler(
+  user: User,
+  message: RoomLeaveMessage
+): MessageResponse {
   user.room?.disconnect(user);
+  return { ok: true };
 }

@@ -6,6 +6,16 @@ export interface Message {
 }
 
 /**
+ * 서버에 Event를 보냈을 때 요청에 대한 결과를 전송받습니다.
+ * @param ok 요청의 성공 여부입니다.
+ * @param reason 요청 실패 사유입니다. 필요한 경우에만 포함됩니다.
+ */
+export interface MessageResponse {
+  ok: boolean;
+  reason?: string;
+}
+
+/**
  * 클라 -> 서버
  * 로그인 정보를 서버에게 전송합니다.
  */
@@ -77,6 +87,7 @@ export class RoomChatMessage implements Message {
 }
 
 export class MessageType {
+  static readonly RESPONSE = "response";
   static readonly LOGIN = "login";
   static readonly ROOM_LIST = "room_list";
   static readonly ROOM_JOIN = "room_join";