Created
September 29, 2024 14:29
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worker-round-robin-policy.js
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| const net = require('net'); | |
| const handleConenction = (socket) => { | |
| console.log("New connection"); | |
| socket.on('close', () => { | |
| console.log('Client has disconnected'); | |
| }); | |
| // Handle 'data' event to process data from the client | |
| socket.on('data', (data) => { | |
| console.log(`Data received: ${data}`); | |
| // Write a response to the client, but check if writable first | |
| if (socket.writable) { | |
| console.log("writable"); | |
| const responseBody = 'Hello, HTTP World!'; | |
| const response = | |
| `HTTP/1.1 200 OK\r\n` + // Status line | |
| `Content-Type: text/plain\r\n` + // Content-Type header | |
| `Content-Length: ${responseBody.length}\r\n` + // Content-Length header | |
| `Connection: close\r\n` + // Close the connection after response | |
| `\r\n` + // End of headers | |
| `${responseBody}`; // Response body | |
| // Write the HTTP response to the socket | |
| socket.write(response); | |
| socket.end(); | |
| } | |
| }); | |
| } | |
| const server = net.createServer(handleConenction); | |
| // Listen for the message from the primary process | |
| process.on('message', (msg, clientHandle) => { | |
| if (msg === 'new-conn' && clientHandle) { | |
| console.log("Received new connection handle in worker"); | |
| onconnection(clientHandle); | |
| } | |
| }); | |
| function onconnection(clientHandle) { | |
| // Create a socket from the received handle | |
| const socket = new net.Socket({ | |
| handle: clientHandle, | |
| allowHalfOpen: server.allowHalfOpen, | |
| pauseOnCreate: server.pauseOnConnect, | |
| readable: true, | |
| writable: true, | |
| readableHighWaterMark: server.highWaterMark, | |
| writableHighWaterMark: server.highWaterMark, | |
| }); | |
| // Attach server properties to the socket | |
| socket.server = server; | |
| socket._server = server; | |
| // Handle connection | |
| server.emit('connection', socket); | |
| } | |
| // Handle worker shutdown | |
| process.on('SIGINT', () => { | |
| server.close(); | |
| }); | |
| console.log(`Worker ${process.pid} started`); |
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