check waiting player is online

src/index.ts

@@ -8,7 +8,7 @@ import { WebServer } from "./server/WebServer";
 
 const rtmt = new RTMTWS();
 const gameStore = new GameStoreImpl();
-const matchMaker = new MatchMakerImpl();
+const matchMaker = new MatchMakerImpl({ rtmt });
 const gameManager = new GameManager({ rtmt, gameStore, matchMaker })
 
 const expressApp = new ExpressApp();

src/matchmaker/MatchMakerImpl.ts

@@ -1,26 +1,36 @@
+import { RTMT } from "../rtmt/rtmt";
 import { MatchMaker, OnPlayersPaired } from "./MatchMaker";
 
 export class MatchMakerImpl implements MatchMaker {
-    private waitingUserKey : string | undefined
+    private waitingPlayerId?: string;
 
-    private onPlayersPaired: OnPlayersPaired | undefined = undefined;
+    private onPlayersPaired?: OnPlayersPaired;
 
-    private fireOnPlayerPaired(player1Id: string, player2Id: string) : void {
+    private rtmt: RTMT;
+
+    constructor(params: { rtmt: RTMT }) {
+        this.rtmt = params.rtmt;
+    }
+
+    private fireOnPlayerPaired(player1Id: string, player2Id: string): void {
         this.onPlayersPaired?.(player1Id, player2Id)
     }
 
-    public join(playerId : string): void {
-        if(this.waitingUserKey === playerId) return;
-        if(this.waitingUserKey){
-            const user1 = this.waitingUserKey as string
-            this.waitingUserKey = undefined
-            this.fireOnPlayerPaired(user1, playerId)
-        }else{
-            this.waitingUserKey = playerId
+    private setWaitingPlayerId(playerKey?: string) {
+        this.waitingPlayerId = playerKey;
+    }
+
+    public join(newcomerPlayerId: string): void {
+        if (this.waitingPlayerId === newcomerPlayerId) return;
+        if (this.waitingPlayerId && this.rtmt.isClientOnline(this.waitingPlayerId)) {
+            this.fireOnPlayerPaired(this.waitingPlayerId, newcomerPlayerId)
+            this.setWaitingPlayerId(undefined);
+        } else {
+            this.waitingPlayerId = newcomerPlayerId
         }
     }
     
-    public listenOnPlayersPaired(onPlayersPaired: OnPlayersPaired ) : void {
+    public listenOnPlayersPaired(onPlayersPaired: OnPlayersPaired): void {
         this.onPlayersPaired = onPlayersPaired;
     }
 }

src/rtmt/rtmt_websocket.ts

@@ -5,7 +5,7 @@ import WebSocket from "ws"
 import * as http from 'http';
 import { channel_ping, channel_pong } from "../consts/channel_names";
 
-const PING_INTERVAL = 1000;
+const PING_INTERVAL = 3000;
 
 export class RTMTWS implements RTMT {
 
@@ -128,8 +128,6 @@ export class RTMTWS implements RTMT {
     }
     
     isClientOnline(clientID: string): boolean {
-        const ws = this.clients.has(clientID);
-        //@ts-ignore
-        return ws && ws.isAlive;
+        return this.clients.has(clientID);
     }
 }