dev-notes/Node.js/Standard Packages/net.md
2021-01-31 11:05:37 +01:00

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# Net Module (Connection Oriented Networking - TCP/IP)
## Server (`net.Server`)
```js
const net = require('net');
const server = net.createServer((socket) => { /* connect listener */ });
server.on('error', (err) => {
// handle error
});
server.listen(8124, () => { }); // listen for connection
```
## Sockets (`net.Socket`)
```js
const client = net.createConnection({ host: "127.0.0.1", port: 8124 }, () => { /* 'connect' listener. */ });
socket.on("data", (buffer) => { /* operate on input buffer */ });
socket.on("error", (err) => { /* handle error */ });
socket.on("end", () => {}); // client disconnection
```