PEER-220: Add WS shutdown

Signed-off-by: SeeuSim <[email protected]>

Author: SeeuSim

backend/matching/src/index.ts

@@ -2,7 +2,7 @@ import type { ChildProcess } from 'child_process';
 
 import { EXPRESS_PORT } from '@/config';
 import { logger } from '@/lib/utils';
-import server from '@/server';
+import server, { io } from '@/server';
 import { initWorker } from '@/workers';
 
 const workers: ChildProcess[] = [];
@@ -19,11 +19,13 @@ const shutdown = () => {
   workers.forEach((worker) => {
     worker.kill();
   });
+  io.close(() => {
+    logger.info('WS Server shut down');
+  });
   server.close(() => {
     logger.info('App shut down');
   });
 };
 
 process.on('SIGINT', shutdown);
 process.on('SIGTERM', shutdown);
-process.on('exit', shutdown);

backend/matching/src/workers/cleaner.ts

@@ -25,7 +25,6 @@ const shutdown = () => {
 };
 
 process.on('SIGINT', shutdown);
-process.on('SIGHUP', shutdown);
 process.on('SIGTERM', shutdown);
 
 async function clean() {

backend/matching/src/workers/matcher.ts

@@ -25,7 +25,6 @@ const shutdown = () => {
 };
 
 process.on('SIGINT', shutdown);
-process.on('SIGHUP', shutdown);
 process.on('SIGTERM', shutdown);
 
 type RequestorParams = {