208 lines
6.8 KiB
Python
208 lines
6.8 KiB
Python
# 逻辑：
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# 1. 检测 Wi-Fi 连接状态，若已连接，则退出程序
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# 2. 扫描 Wi-Fi 网络并获取Wi-Fi列表
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# 3. 关闭Wi-Fi，并启动热点和web服务器
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# 4. 等待用户选择 Wi-Fi 网络并输入密码
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# 5. 关闭热点并重新扫描 Wi-Fi，连接到用户选择的 Wi-Fi 网络
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import subprocess
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import re
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import os
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import psutil
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import signal
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import time
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import datetime
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from flask import Flask, render_template, request, redirect, url_for, make_response
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try:
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from takway.board import OrangePi
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led_enabled = True
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orangepi = OrangePi()
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except ImportError:
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led_enabled = False
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print("Error importing OrangePi")
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def close_app():
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# 获取当前Flask应用程序的进程ID
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flask_pid = os.getpid()
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# 获取所有名为'python3'的进程ID
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python_pids = [p.info['pid'] for p in psutil.process_iter(attrs=['pid', 'name']) if p.info['name'] == 'python3']
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# 关闭Flask应用程序进程
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os.kill(flask_pid, signal.SIGTERM)
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# 关闭Python进程
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for pid in python_pids:
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os.kill(pid, signal.SIGTERM)
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app = Flask(__name__)
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# 检测 Wi-Fi 连接状态
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def check_wifi_connection():
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cmd = "nmcli dev status"
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result = subprocess.run(cmd, shell=True, capture_output=True, text=True)
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time.sleep(1)
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output = result.stdout.strip()
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lines = output.split("\n")[1:] # Skip the header line
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for line in lines:
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columns = line.split()
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print(columns)
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if len(columns) >= 4 and columns[2] == "connected":
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orangepi.set_led_off('blue')
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return True
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return False
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def restart_hotspot():
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try:
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# sudo systemctl stop dnsmasq
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# sudo systemctl restart NetworkManager
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# sudo nmcli radio wifi off
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# sudo nmcli radio wifi on
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# nohup sudo create_ap wlan0 eth0 Takway-Toys --no-virt > create_ap.log 2>&1 &
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subprocess.run(['sudo', 'systemctl', 'stop', 'dnsmasq'], check=True)
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subprocess.run(['sudo', 'systemctl', 'restart', 'NetworkManager'], check=True)
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subprocess.run(['sudo', 'nmcli', 'radio', 'wifi', 'off'], check=True)
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subprocess.run(['sudo', 'nmcli', 'radio', 'wifi', 'on'], check=True)
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subprocess.Popen('sudo nohup create_ap wlan0 eth0 Takway-Toys --no-virt > create_ap.log 2>&1 &', shell=True)
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orangepi.set_led_on('blue')
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except subprocess.CalledProcessError as e:
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print(f"{datetime.datetime.now()} Error stopping create_ap hotspot service: {e}")
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def scan_wifi():
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try:
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subprocess.run(['nmcli', 'dev', 'wifi', 'rescan'], check=True)
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time.sleep(1)
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output = subprocess.check_output(['nmcli', 'dev', 'wifi'])
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wifi_list = []
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lines = output.decode().splitlines()
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for idx, line in enumerate(lines[1:]):
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print(f"{idx}: {line}")
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# 分割字符串以空格为分隔符
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columns = line.split()
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# 提取第一列和第三列的值
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mac_address = columns[0]
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ssid = " ".join(columns[1:3])
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if "Infra" in ssid:
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ssid = ssid.replace(" Infra", "")
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if ":" in ssid:
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# "72:A6:CC:8C:89:6C Takway-AI"
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# 去除字符串中的MAC地址
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ssid = re.sub(r'\b\w{2}(:\w{2}){5}\b', '', ssid)
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# 提取第六列的强度值
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last_info = columns[4:8]
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# 去除所有的空格
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columns = line.replace(" ", "")
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# 提取"Mbit/s"后的三位以内数字
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strength = int(columns[columns.index("Mbit/s")+6:columns.index("Mbit/s")+8])
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# print("MAC地址:", mac_address)
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# print("SSID:", ssid)
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# print("强度:", strength)
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wifi_list.append({'ssid': ssid, 'signal': strength})
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if len(wifi_list) == 15:
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break
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# save wifi_list to file
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with open('wifi_list.txt', 'w') as f:
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for wifi in wifi_list:
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f.write(f"{wifi['ssid']},{wifi['signal']}\n")
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return wifi_list
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except subprocess.CalledProcessError as e:
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print(f"{datetime.datetime.now()}: Error scanning for Wi-Fi networks: {e}")
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return []
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# 连接 Wi-Fi
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def connect_wifi(ssid, password):
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# 关闭热点
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try:
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subprocess.run(['sudo', 'create_ap', '--stop', 'wlan0'], check=True)
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print(f"{datetime.datetime.now()}: Stopping create_ap service")
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except subprocess.CalledProcessError as e:
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print(f"{datetime.datetime.now()}: Error stopping hotspot: {e}")
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time.sleep(1)
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# 扫描 Wi-Fi 网络
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# scan_wifi()
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time.sleep(1)
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# 连接到用户选择的 Wi-Fi 网络
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try:
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subprocess.run(['nmcli', 'dev', 'wifi', 'connect', ssid, 'password', password], check=True)
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print(f"{datetime.datetime.now()}: Successfully connected to Wi-Fi: {ssid}")
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return True
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except subprocess.CalledProcessError as e:
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print(f"{datetime.datetime.now()}: Error connecting to Wi-Fi: {e}")
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return False
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# 主页
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@app.route('/')
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def index():
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global wifi_list
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print(wifi_list)
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response = make_response(render_template('index.html', wifi_list=wifi_list))
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response.headers.set('Content-Type', 'text/html')
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response.headers.set('Apple-Web-App-Capable', 'yes')
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response.headers.set('Apple-Mobile-Web-App-Status-Bar-Style', 'black-translucent')
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return response
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# 提交 Wi-Fi 信息
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@app.route('/submit', methods=['POST'])
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def submit():
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orangepi.set_led_on('red')
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ssid = request.form['ssid']
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password = request.form['password']
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print(f"{datetime.datetime.now()}: Connecting to Wi-Fi: {ssid} with password {password}")
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connected = connect_wifi(ssid, password)
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time.sleep(5)
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# 检查是否成功连接Wi-Fi
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if check_wifi_connection() and connected:
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orangepi.set_led_off('red')
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# connected successfully, close flask
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close_app()
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else:
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print(f"{datetime.datetime.now()}: Wi-Fi连接失败。")
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restart_hotspot()
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return redirect(url_for('index'))
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if __name__ == '__main__':
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debug_mode = False # 设置为 True 以跳过 Wi-Fi 连接状态检测
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orangepi.set_led_on('blue')
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if not debug_mode:
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time.sleep(5) # 等待 Wi-Fi 连接
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if check_wifi_connection():
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print(f"{datetime.datetime.now()}: 系统已自动连接到 Wi-Fi 网络，退出程序")
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close_app()
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else:
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print(f"{datetime.datetime.now()}: 未连接到 Wi-Fi 网络")
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print(f"{datetime.datetime.now()}: Starting Flask server")
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print("----------------------------")
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wifi_list = scan_wifi()
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print("----------------------------")
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restart_hotspot()
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# 启动 Flask 服务器
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app.run(host='0.0.0.0', port=80)
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