flutter_server_box/lib/data/model/server/tcp_status.dart

import '../../../core/extension/stringx.dart';

///
/// Code generated by jsonToDartModel https://ashamp.github.io/jsonToDartModel/
///
class TcpStatus {
/*
{
  "maxConn": 0,
  "active": 1,
  "passive": 2,
  "fail": 3
} 
*/

  late int maxConn;
  late int active;
  late int passive;
  late int fail;

  TcpStatus(
    this.maxConn,
    this.active,
    this.passive,
    this.fail,
  );

  TcpStatus.fromJson(Map<String, dynamic> json) {
    maxConn = json["maxConn"].toInt();
    active = json["active"].toInt();
    passive = json["passive"].toInt();
    fail = json["fail"].toInt();
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = <String, dynamic>{};
    data["maxConn"] = maxConn;
    data["active"] = active;
    data["passive"] = passive;
    data["fail"] = fail;
    return data;
  }
}

final numReg = RegExp(r'\s{1,}');

TcpStatus? parseTcp(String raw) {
  final lines = raw.split('\n');
  final idx = lines.lastWhere((element) => element.startsWith('Tcp:'),
      orElse: () => '');
  if (idx != '') {
    final vals = idx.split(numReg);
    return TcpStatus(vals[5].i, vals[6].i, vals[7].i, vals[8].i);
  }
  return null;
}