File transfer trial

peer_temp/abcd.txt

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+Hello Hi Test

peer_temp/client_server.js

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+
+const SimplePeer = require('simple-peer');
+
+// Function to act as the file host
+function hostFile() {
+  const peer = new SimplePeer({ initiator: true });
+
+  peer.on('signal', data => {
+    console.log('Share this data with the peer who wants to download the file:');
+    console.log(JSON.stringify(data));
+  });
+
+  peer.on('connect', () => {
+    console.log('Peer connected. Sending file...');
+    const fileContent = 'This is the content of the file.';
+    peer.send(fileContent);
+  });
+}
+
+// Function to act as the file requester
+function requestFile() {
+  const peer = new SimplePeer();
+
+  peer.on('signal', data => {
+    console.log('Share this data with the file host:');
+    console.log(JSON.stringify(data));
+  });
+
+  peer.on('connect', () => {
+    console.log('Peer connected. Waiting for file...');
+  });
+
+  peer.on('data', data => {
+    console.log(`File received: ${data}`);
+  });
+}
+
+// Decide whether to host the file or request it
+const isHost = process.argv[2] === 'host';
+
+if (isHost) {
+  hostFile();
+} else {
+  requestFile();
+}

peer_temp/temp_requester.js

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+// // Requester Peer
+
+// const net = require('net');
+
+// // IP address and port of the other peer
+// const otherPeerIP = 'other_peer_ip_address';
+// const otherPeerPort = 12345; // Assuming this is the port the other peer is listening on
+
+// // File ID to request
+// const fileId = 'file123';
+
+// // Create a TCP socket to connect to the other peer
+// const client = new net.Socket();
+
+// client.connect(otherPeerPort, otherPeerIP, () => {
+//     console.log('Connected to peer');
+
+//     // Send the file ID as a request
+//     client.write(fileId);
+// });
+
+// // Listen for data (the requested file) from the other peer
+// client.on('data', (data) => {
+//     console.log('Received file:', data.toString());
+
+//     // Close the connection after receiving the file
+//     client.end();
+// });
+
+// // Handle connection errors
+// client.on('error', (err) => {
+//     console.error('Connection error:', err);
+// });
+
+
+// Requester Peer
+
+// const net = require('net');
+
+// // IP address and port of the other peer
+// const otherPeerIP = '127.0.0.1'; // Assuming both peers are running on the same machine
+// const otherPeerPort = 12345;
+
+// File ID to request
+const fileId = 'abcd.txt';
+
+// Create a TCP server to handle incoming requests from the other peer
+
+
+// Requester Peer
+
+const net = require('net');
+
+// IP address and port of the receiving peer
+const receiverIP = '127.0.0.1'; // Assuming both peers are running on the same machine
+const receiverPort = 12345;
+
+// File ID to request
+// const fileId = 'file123';
+
+// Create a TCP client to connect to the receiving peer server
+const client = new net.Socket();
+
+// Handle connection to the receiving peer
+client.connect(receiverPort, receiverIP, () => {
+    console.log('Connected to receiving peer server');
+
+    // Send the file ID as a request to the receiving peer
+    client.write(fileId);
+});
+
+// Listen for data (the requested file) from the receiving peer
+client.on('data', (data) => {
+    console.log('Received file:', data.toString());
+
+    // Close the connection after receiving the file
+    client.end();
+});
+
+// Handle connection errors
+client.on('error', (err) => {
+    console.error('Connection error:', err);
+});
+

peer_temp/temp_sender.js

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+// // Receiving Peer
+
+// const net = require('net');
+// const fs = require('fs');
+
+// // Port on which this peer will listen for requests
+// const listenPort = 12345;
+
+// // Mapping of file IDs to file paths
+// const filesMap = {
+//     'file123': '/path/to/file.txt',
+//     // Add more file IDs and corresponding file paths as needed
+// };
+
+// // Create a server to listen for incoming requests
+// const server = net.createServer((socket) => {
+//     console.log('Peer connected');
+
+//     // Handle data (file ID) received from the requester peer
+//     socket.on('data', (data) => {
+//         const fileId = data.toString();
+//         console.log('Received request for file ID:', fileId);
+
+//         // Look up the file path based on the file ID
+//         const filePath = filesMap[fileId];
+
+//         if (filePath) {
+//             // Read the file and send its contents back to the requester
+//             fs.readFile(filePath, (err, fileData) => {
+//                 if (err) {
+//                     console.error('Error reading file:', err);
+//                     socket.end();
+//                     return;
+//                 }
+
+//                 // Send the file data to the requester
+//                 socket.write(fileData);
+
+//                 // Close the connection after sending the file
+//                 socket.end();
+//             });
+//         } else {
+//             console.log('File ID not found');
+//             socket.end();
+//         }
+//     });
+// });
+
+// // Start listening for incoming connections
+// server.listen(listenPort, () => {
+//     console.log('Peer server listening on port', listenPort);
+// });
+
+// // Handle server errors
+// server.on('error', (err) => {
+//     console.error('Server error:', err);
+// });
+
+
+// Receiving Peer
+
+const net = require('net');
+const fs = require('fs');
+
+// Port on which this peer will listen for requests
+const listenPort = 12345;
+
+// Mapping of file IDs to file paths
+const filesMap = {
+    'abcd.txt': './abcd.txt',
+    // Add more file IDs and corresponding file paths as needed
+};
+
+// Create a TCP server to listen for incoming requests from other peers
+const server = net.createServer((socket) => {
+    console.log('Receiving peer server connected');
+
+    // Handle data (file ID) received from the requester peer
+    socket.on('data', (data) => {
+        const fileId = data.toString();
+        console.log('Received request for file ID:', fileId);
+
+        // Look up the file path based on the file ID
+        const filePath = filesMap[fileId];
+
+        if (filePath) {
+            // Read the file and send its contents back to the requester
+            fs.readFile(filePath, (err, fileData) => {
+                if (err) {
+                    console.error('Error reading file:', err);
+                    socket.end();
+                    return;
+                }
+
+                // Send the file data to the requester
+                socket.write(fileData);
+
+                // Close the connection after sending the file
+                socket.end();
+            });
+        } else {
+            console.log('File ID not found');
+            socket.end();
+        }
+    });
+
+    // Handle connection errors
+    socket.on('error', (err) => {
+        console.error('Connection error:', err);
+    });
+});
+
+// Start the server
+server.listen(listenPort, () => {
+    console.log('Receiving peer server listening for incoming connections');
+});
+
+// Handle server errors
+server.on('error', (err) => {
+    console.error('Server error:', err);
+});