udp 5.0.3

Lightweight, efficient, and easy-to-use UDP library for Dart. Supports Unicast, Broadcast, Multicast and Loopback communications.

example/udp_example.dart

/*
 *
 *  Copyright 2019-2022 Kennedy Tochukwu Ekeoha 
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import 'dart:io';

import 'package:udp/udp.dart';

void main() async {
  // creates a UDP instance and binds it to the first available network
  // interface on port 65000.
  var sender = await UDP.bind(Endpoint.any(port: Port(65000)));

  // send a simple string to a broadcast endpoint on port 65001.
  var dataLength = await sender.send(
      'Hello World!'.codeUnits, Endpoint.broadcast(port: Port(65001)));

  stdout.write('$dataLength bytes sent.');

  // creates a new UDP instance and binds it to the local address and the port
  // 65002.
  var receiver = await UDP.bind(Endpoint.loopback(port: Port(65002)));

  // receiving\listening
  receiver.asStream(timeout: Duration(seconds: 20)).listen((datagram) {
    var str = String.fromCharCodes(datagram!.data);
    stdout.write(str);
  });

  // close the UDP instances and their sockets.
  sender.close();
  receiver.close();
}