菜*就不要打游戏好不好？

今天打瓦被虐成狗了，我把原因归到了网络波动上（就是不承认菜，不过网络质量确实不好，根本就是不能玩的程度），然后写了下面这个脚本简单测试下网络质量，大家看谁网络质量比较好测试一下。

下面是一组比较夸张的数据，但是游戏中也会出现。

21:32:18 样本数量: 60 | 平均: 111.24ms | 抖动: 55.75ms | 抖动率: 50.12%
21:32:20 样本数量: 60 | 平均: 112.78ms | 抖动: 55.60ms | 抖动率: 49.30%
21:32:22 样本数量: 60 | 平均: 115.65ms | 抖动: 55.04ms | 抖动率: 47.59%
21:32:23 样本数量: 60 | 平均: 117.59ms | 抖动: 60.08ms | 抖动率: 51.09%
21:32:25 样本数量: 60 | 平均: 115.69ms | 抖动: 56.60ms | 抖动率: 48.93%
21:32:26 样本数量: 60 | 平均: 119.04ms | 抖动: 57.91ms | 抖动率: 48.65%
21:32:27 样本数量: 60 | 平均: 118.50ms | 抖动: 58.77ms | 抖动率: 49.60%
21:32:28 样本数量: 60 | 平均: 115.43ms | 抖动: 58.23ms | 抖动率: 50.44%
21:32:29 样本数量: 60 | 平均: 111.57ms | 抖动: 54.64ms | 抖动率: 48.97%

import configparser
import subprocess
import time
import re
from collections import deque
import numpy as np
import os

CONFIG_FILE = 'config.ini'

def create_default_config(path):
    config = configparser.ConfigParser()
    config['monitor'] = {
        'host': 'baidu.com',
        'window_size': '60',
        'ping_interval': '1',
        'trim_percent': '0.05'
    }
    config['output'] = {
        'show_timestamp': 'true',
        'log_to_file': 'false',
        'log_file': 'jitter_log.txt'
    }
    with open(path, 'w') as configfile:
        config.write(configfile)
    print(f"[首次运行] 配置文件 '{path}' 已生成，使用默认配置。")

def load_config(file):
    if not os.path.exists(file):
        create_default_config(file)

    config = configparser.ConfigParser()
    config.read(file)
    return {
        'host': config.get('monitor', 'host'),
        'window_size': config.getint('monitor', 'window_size'),
        'ping_interval': config.getfloat('monitor', 'ping_interval'),
        'trim_percent': config.getfloat('monitor', 'trim_percent'),
        'show_timestamp': config.getboolean('output', 'show_timestamp'),
        'log_to_file': config.getboolean('output', 'log_to_file'),
        'log_file': config.get('output', 'log_file')
    }

def ping_once(host):
    try:
        output = subprocess.check_output(
            ["ping", host, "-n", "1"],
            stderr=subprocess.STDOUT,
            universal_newlines=True
        )
        match = re.search(r'(?:时间|time)[=<]?\s*(\d+)\s*ms', output, re.IGNORECASE)
        if match:
            return int(match.group(1))
    except subprocess.CalledProcessError:
        pass
    return None

def calculate_jitter_rate(delays, trim_percent=0.05):
    if len(delays) < 4:
        return None
    arr = np.array(delays)
    lower = np.percentile(arr, trim_percent * 100)
    upper = np.percentile(arr, (1 - trim_percent) * 100)
    trimmed = arr[(arr >= lower) & (arr <= upper)]
    if len(trimmed) < 2:
        return None
    avg_delay = np.mean(trimmed)
    diffs = np.abs(np.diff(trimmed))
    avg_jitter = np.mean(diffs)
    jitter_rate = (avg_jitter / avg_delay) * 100 if avg_delay != 0 else 0
    return avg_delay, avg_jitter, jitter_rate

def live_ping_jitter(config):
    delays = deque(maxlen=config['window_size'])
    while True:
        delay = ping_once(config['host'])
        timestamp = time.strftime('%H:%M:%S') if config['show_timestamp'] else ''
        if delay is not None:
            delays.append(delay)
            result = calculate_jitter_rate(list(delays), config['trim_percent'])
            if result:
                avg_delay, avg_jitter, jitter_rate = result
                line = f"{timestamp} 样本数量: {len(delays):2d} | 平均: {avg_delay:.2f}ms | 抖动: {avg_jitter:.2f}ms | 抖动率: {jitter_rate:.2f}%"
            else:
                line = f"{timestamp} 收集中... 样本数量: {len(delays)}"
        else:
            line = f"{timestamp} 丢包"

        print(line)
        if config['log_to_file']:
            with open(config['log_file'], 'a', encoding='utf-8') as f:
                f.write(line + '\n')

        time.sleep(config['ping_interval'])

if __name__ == "__main__":
    config = load_config('config.ini')
    live_ping_jitter(config)