csabapalfi · October 3, 2018 14:00 · Oct 3, 2018
diff --git a/keep-alive.js b/keep-alive.js
@@ -0,0 +1,31 @@
+const net = require('net');
+const {parse} = require('url');
+
+const [,,url] = process.argv;
+const client = new net.Socket();
+const {hostname, port = 80, path} = parse(url);
+
+client.on('error', (e) => {throw e});
+
+const request = (cb) => {
+    console.log(`GET ${path} ...`);
+    client.write(`GET ${path}\r\nConnection: keep-alive\r\n\r\n`);
+    client.once('data', (data) => {
+        const [status,] = data.toString().split('\n');
+        console.log(status);
+        cb();
+    });
+};
+
+const requests = (delay, cb) =>
+    request(() => setTimeout(() => request(cb), delay));
+
+client.connect(port, hostname, (err) => {
+    console.log(`Connected to ${hostname},${port}...`);
+    if (err) {
+        throw err;
+    }
+    requests(6000, () => {
+        client.destroy();
+    });
+});