ping_discover_network_forked 0.0.1
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Library that allows to ping IP subnet and discover network devices. Could be used to find printers and other devices and services in a local network.

ping_discover_network #

Pub

Dart/Flutter library that allows to ping IP subnet and discover network devices.

Could be used to find printers (for example, on port 9100) and any other devices and services in local network.

The device should be connected to a Wi-Fi network.

The library tested on both, Android and iOS platforms.

[pub.dev page] | [Documentation]

Getting Started #

Check complete examples in /example folder.

Discover available network devices in a given subnet on a given port:

import 'package:ping_discover_network/ping_discover_network.dart';

// NetworkAnalyzer.discover pings PORT:IP one by one according to timeout.
// NetworkAnalyzer.discover2 pings all PORT:IP addresses at once.

const port = 80;
final stream = NetworkAnalyzer.discover2(
  '192.168.0', port,
  timeout: Duration(milliseconds: 5000),
);

int found = 0;
stream.listen((NetworkAddress addr) {
  if (addr.exists) {
    found++;
    print('Found device: ${addr.ip}:$port');
  }
}).onDone(() => print('Finish. Found $found device(s)'));

Get local ip and discover network devices:

import 'package:wifi/wifi.dart';
import 'package:ping_discover_network/ping_discover_network.dart';

final String ip = await Wifi.ip;
final String subnet = ip.substring(0, ip.lastIndexOf('.'));
final int port = 80;

final stream = NetworkAnalyzer.discover2(subnet, port);
stream.listen((NetworkAddress addr) {
  if (addr.exists) {
    print('Found device: ${addr.ip}');
  }
});

Discover available network devices in a given subnet on a given port range:

import 'package:ping_discover_network/ping_discover_network.dart';

void checkPortRange(String subnet, int fromPort, int toPort) {
  if (fromPort > toPort) {
    return;
  }

  print('port ${fromPort}');

  final stream = NetworkAnalyzer.discover2(subnet, fromPort);

  stream.listen((NetworkAddress addr) {
    if (addr.exists) {
      print('Found device: ${addr.ip}:${fromPort}');
    }
  }).onDone(() {
    checkPortRange(subnet, fromPort + 1, toPort);
  });
}

checkPortRange('192.168.0', 400, 410);
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Library that allows to ping IP subnet and discover network devices. Could be used to find printers and other devices and services in a local network.

Repository (GitHub)
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Documentation

API reference

License

BSD-3-Clause (LICENSE)

Dependencies

flutter

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