server fixes

backend/index.js

@@ -9,10 +9,10 @@ const { Server } = require('socket.io');
 const app = express();
 
 let corsOptions = {
-    origin : ['http://localhost:3000'],
+    origin : ['*'],
  }
  
- app.use(cors(corsOptions))
+ app.use(cors())
 
  // Configure Multer for file uploads
 const upload = multer({
@@ -50,9 +50,10 @@ app.post('/http', upload.single('file'), (req, res) => {
 const server = http.createServer(app);
 const io = new Server(server, {
     cors: {
-        origin: 'http://localhost:3000', // Adjust frontend URL if necessary
+        origin: '*', // Adjust frontend URL if necessary
         methods: ['GET', 'POST'],
     },
+    maxHttpBufferSize: 1e8,
 });
 
 io.on('connection', (socket) => {

frontend/src/App.js

@@ -2,7 +2,7 @@ import './App.css';
 import { useEffect, useState } from 'react';
 import io from 'socket.io-client';
 
-const socket = io(`http://localhost:8888`);
+const socket = io(`http://62.109.17.170:8888`);
 
 let ws_ts;
 
@@ -14,11 +14,11 @@ function App() {
 
 
   async function sendHTTP() {
-    const now = Date.now();
+
     const formData = new FormData();
     formData.append('file', file);
-
-    const res = await fetch(`http://localhost:7777/http`, {method: 'POST', body: formData});
+    const now = Date.now();
+    const res = await fetch(`http://62.109.17.170:7777/http`, {method: 'POST', body: formData});
     const d = Date.now() - now;
 
     const blob = await res.blob();
@@ -34,9 +34,10 @@ function App() {
   }
 
   function sendWS() {
-    ws_ts = Date.now();
+    //ws_ts = Date.now();
     const reader = new FileReader();
     reader.onload = () => {
+      ws_ts = Date.now();
       socket.emit('sendFile', {
             filename: file.name,
             content: reader.result,
@@ -47,10 +48,11 @@ function App() {
 
   useEffect(() => {
     const handleReceiveFile = (data) => {
+const d = Date.now() - ws_ts;
 const { filename, content } = data;
       const blob = new Blob([content]);
       const url = URL.createObjectURL(blob);
-      const d = Date.now() - ws_ts;
+      //const d = Date.now() - ws_ts;
       const a = document.createElement('a');
       setWsLog(p => [...p, d]);
       a.href = url;