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[BE][Feat] #40 : websocket 연결 #208

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Nov 19, 2024
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2 changes: 1 addition & 1 deletion backend/src/index.js
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,6 @@ try {
console.error('Failed to initialize WebSocket server:', error);
}

app.listen(PORT, () => {
server.listen(PORT, () => {
console.log(`Server is running on http://localhost:${PORT}`);
});
52 changes: 50 additions & 2 deletions backend/src/websocketServer.js
Original file line number Diff line number Diff line change
@@ -1,9 +1,25 @@
import { WebSocketServer } from 'ws';

const activeConnections = {}; // token별로 연결을 관리하기 위한 객체
const clientLocations = {};

export const initializeWebSocketServer = server => {
const wss = new WebSocketServer({ server });
const wss = new WebSocketServer({
server,
verifyClient: (info, done) => {
const { origin } = info;

if (origin === 'http://localhost:5173') {
done(true);
} else {
done(false, 403, 'Forbidden: Origin not allowed');
}
},
});

wss.on('error', err => {
console.error('WebSocket Server Error:', err);
});

wss.on('connection', (ws, req) => {
// URL에서 token 추출
Expand All @@ -26,16 +42,48 @@ export const initializeWebSocketServer = server => {

console.log(`Client connected with token: ${token}`);

// 새 클라이언트에게 기존 클라이언트의 위치 전송
ws.send(
JSON.stringify({
type: 'init',
clients: Object.entries(clientLocations).map(([clientToken, location]) => ({
token: clientToken,
location,
})),
}),
);

// 클라이언트로부터 메시지 받았을 때의 이벤트 처리
ws.on('message', message => {
console.log(`Received from ${token}:`, message);
try {
const data = JSON.parse(message);
if (data.type === 'location' && data.location) {
clientLocations[token] = data.location;

// 모든 클라이언트에게 위치 정보 전송
Object.keys(activeConnections).forEach(otherToken => {
if (activeConnections[otherToken].readyState === ws.OPEN) {
activeConnections[otherToken].send(
JSON.stringify({
type: 'location',
token,
location: data.location,
}),
);
}
});
}
} catch (err) {
console.error('Invalid message format:', err);
}
});

// 클라이언트 연결 종료 시
ws.on('close', (code, reason) => {
console.log(`Client disconnected with token: ${token}, Code: ${code}, Reason: ${reason}`);
// 연결이 종료되면 activeConnections에서 해당 token 제거
delete activeConnections[token];
delete clientLocations[token];
});
});
};
3 changes: 3 additions & 0 deletions frontend/vite.config.ts
Original file line number Diff line number Diff line change
Expand Up @@ -5,4 +5,7 @@ import tsconfigPaths from 'vite-tsconfig-paths'; // 추가된 부분
// https://vite.dev/config/
export default defineConfig({
plugins: [react(), tsconfigPaths()], // tsconfigPaths 플러그인 추가
server: {
hmr: false, // HMR 완전히 비활성화
},
});
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