flask-socketio,py

from typing import Counter
from flask import Flask, request, render_template_string
from flask_socketio import SocketIO, emit


app = Flask(__name__)
socketio = SocketIO(app, logge=True)
clients = 0


@socketio.on("connect", namespace="/")
def connect():
    global clients
    print("fired connect")
    clients += 1
    emit("users", {"user_count": clients}, broadcast=True)


@socketio.on("disconnect", namespace="/")
def disconnect():
    global clients
    print("fired disconnect")
    clients -= 1
    emit("users", {"user_count": clients}, broadcast=True)


TABLE_TEMPLATE = """
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/1.7.3/socket.io.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script>
    $(document).ready(function(){
        var namespace = '/';
        var socket = io.connect('http://' + document.domain + ':' + location.port + namespace);
        // Update the counter when a new user connects
        socket.on('users', function(users) {
            userCount = document.getElementById('user_counter');
            userCount.innerHTML = users.user_count;
        });
});
</script>
<h1 id='user_counter'></h1>
<style>
   table, th, td {
   border: 1px solid black;
   }
</style>
<table style="width: 100%">
   <thead>
      <th>Client</th>
      <th>IP</th>
      <th>Status</th>
   </thead>
   <tbody>
      {% for row in data %}
      <tr>
         <td><center>{{ row.client }}</td></center>
         <td><center>{{ row.ip }}</td></center>
         <td><center>{{ row.status }}</td></center>
      </tr>
      {% endfor %}
   </tbody>
</table>
"""


@app.route("/device_add", methods=["POST"])
def device_add():
    name = request.args.get("name")
    with open("logs.log", "a") as f:
        f.write(f"{name} Connected USB from IP: {request.remote_addr} \n")
    return "ok"


@app.route("/device_remove", methods=["POST"])
def device_remove():
    name = request.args.get("name")
    with open("logs.log", "a") as f:
        f.write(f"{name} Disconnected USB from IP: {request.remote_addr}\n")

    return "ok"


@app.route("/", methods=["GET"])
def device_list():
    print(clients)
    keys = ["client", "ip", "status"]
    data = []
    with open("logs.log", "r") as f:
        for line in f:
            row = line.split()
            data.append(dict(zip(keys, [row[0], row[-1], row[1]])))

    return render_template_string(TABLE_TEMPLATE, data=data)


if __name__ == "__main__":
    socketio.run(app, port=8080, debug=True, use_reloader=True)