scan method

Future<List<ScanResult>> scan()

Implementation

Future<List<ScanResult>> scan() async {
  final results = <ScanResult>[];
  final receivePort = ReceivePort();
  final hosts = hostRange.getHosts();

  if (debug) {
    debugPrint('Scanning ${hosts.length} hosts with ${ports.length} ports each');
    debugPrint('First ip: ${hosts.first}, Last ip: ${hosts.last}');
    debugPrint('----------------------------------------');
  }

  for (final host in hosts) {
    for (final port in ports) {
      await Isolate.spawn(
        _scanPort,
        _ScanParams(host: host, port: port, timeout: timeout, sendPort: receivePort.sendPort, debug: debug),
      );
    }
  }

  await for (final result in receivePort) {
    results.add(result as ScanResult);
    if (results.length == hosts.length * ports.length) {
      receivePort.close();
      break;
    }
  }

  return results;
}