mirror of
https://github.com/skinnyrad/Lora-Scanner.git
synced 2026-03-28 17:43:00 +01:00
449 lines
15 KiB
Python
449 lines
15 KiB
Python
from flask import Flask, render_template, request, jsonify, send_file
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from markupsafe import escape
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from flask_socketio import SocketIO, emit
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import serial
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import threading
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from threading import Timer
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import time
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from collections import deque
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import re
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import requests
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from bs4 import BeautifulSoup
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import ipaddress
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from io import StringIO, BytesIO
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import csv
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import serial.tools.list_ports
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from ipaddress import ip_address, AddressValueError
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app = Flask(__name__)
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socketio = SocketIO(app)
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serial_threads = {}
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serial_buffers = {}
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port1_status = True
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port2_status = True
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port3_status = True
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global ser1
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global ser2
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global ser3
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gateway_ips = {
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'gateway1': '',
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'gateway2': '',
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'gateway3': '',
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'gateway4': '',
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'gateway5': '',
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'gateway6': '',
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'gateway7': '',
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'gateway8': '',
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'gateway9': '',
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'gateway10': ''
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}
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frequency = lambda port: {'port1': 433, 'port2': 868,'port3': 915}.get(port, None)
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surveydata = {}
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parsed_entries = set()
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def read_serial_data(port, ser, buffer):
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global surveydata
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rssi_pattern = r"RSSI: (-?\d+)"
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decoded_value_pattern = r"Decoded Value: (.+)"
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rssi = None
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decoded_value = None
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while True:
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try:
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if ser.in_waiting > 0:
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data = ser.readline().decode('utf-8').strip()
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# Match RSSI
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rssi_match = re.search(rssi_pattern, data)
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if rssi_match:
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rssi = int(rssi_match.group(1))
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# Match Decoded Value
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decoded_match = re.search(decoded_value_pattern, data)
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if decoded_match:
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decoded_value = decoded_match.group(1)
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# Update dictionary only if both RSSI and Decoded Value are found
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if rssi is not None and decoded_value is not None:
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freq = frequency(port)
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key = f'Raw LoRa Device {freq} MHz'
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# Initialize the list for the frequency if not already done
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if key not in surveydata:
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surveydata[key] = []
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# Append the new values to the list for this frequency
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current_timestamp = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())
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surveydata[key].append([freq, rssi, f"{decoded_value} -- Timestamp:{current_timestamp}"])
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# Reset rssi and decoded_value for next packet
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rssi = None
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decoded_value = None
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buffer.append(data)
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socketio.emit(f'serial_data_{port}', {'data': data})
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# Check port status
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if (port == 'port1' and not port1_status) or \
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(port == 'port2' and not port2_status) or \
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(port == 'port3' and not port3_status):
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return
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time.sleep(0.1)
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except Exception as e:
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#print("Could not access Serial Port")
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#print(f"Error: {e}")
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pass
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def convert_dict_to_csv(data):
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output = StringIO()
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writer = csv.writer(output)
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# Write the header
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writer.writerow(['Device', 'Frequency', 'RSSI', 'Decoded Value'])
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# Write the data
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for key, values in data.items():
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for value in values:
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writer.writerow([key] + value)
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output.seek(0)
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return output
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def is_valid_ip(ip):
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try:
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ip_address(ip)
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return True
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except AddressValueError:
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return False
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def parse_and_store_data():
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global surveydata
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global parsed_entries
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global gateway_ips
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# Include the port number (8000) in your gateway URLs
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gateway_urls = [
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f"http://{gateway_ips[f'gateway{i}']}:8000/cgi-bin/log-traffic.has"
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for i in range(1, 11)
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if gateway_ips[f'gateway{i}'] and is_valid_ip(gateway_ips[f'gateway{i}'])
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]
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headers = {
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"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0",
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
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"Accept-Language": "en-US,en;q=0.5",
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"Accept-Encoding": "gzip, deflate",
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"DNT": "1",
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"Sec-GPC": "1",
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"Authorization": "Basic cm9vdDpkcmFnaW5v", # Assumes the same credentials for both gateways
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"Connection": "keep-alive",
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"Upgrade-Insecure-Requests": "1"
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}
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for url in gateway_urls:
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try:
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print(f"Fetching data from {url}")
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response = requests.get(url, headers=headers, timeout=10)
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if response.status_code == 200:
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soup = BeautifulSoup(response.text, 'html.parser')
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table = soup.find('table')
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if table:
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rows = table.find_all('tr')[1:] # Skip the header row
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for row in rows:
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# Skip hidden rows in this iteration
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if row.get('style') == 'display: none;':
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continue
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cells = row.find_all('td')
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if not cells:
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continue
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# Prepare formatted_row from visible cells, skipping the first cell for Chevron icon
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formatted_row = ' | '.join(cell.text.strip() for cell in cells[1:])
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# Extract dev_id and freq from the visible row
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dev_id = extract_dev_id(formatted_row)
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freq = extract_freq(formatted_row)
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# Extract RSSI from the next hidden row
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hidden_row = row.find_next_sibling('tr')
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if hidden_row and 'display: none;' in hidden_row.get('style', ''):
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hidden_data = hidden_row.td.text.strip()
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rssi_match = re.search(r'"Rssi":(-?\d+)', hidden_data)
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if rssi_match:
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rssi = int(rssi_match.group(1))
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else:
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rssi = None
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else:
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rssi = None
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# Save data into the surveydata structure
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if dev_id and freq is not None:
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entry_identifier = f"{dev_id}_{freq}_{formatted_row}"
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if entry_identifier not in parsed_entries:
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parsed_entries.add(entry_identifier)
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if dev_id not in surveydata:
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surveydata[dev_id] = []
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surveydata[dev_id].append([freq, rssi, formatted_row])
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print(f"Data parsed and stored from {url}.")
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else:
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print(f"Request to {url} failed with status code: {response.status_code}")
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except Exception as e:
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print(f"An error occurred while processing {url}: {e}")
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# Schedule the next call to this function
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Timer(30, parse_and_store_data).start() # Call this function every 30 seconds
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def extract_dev_id(formatted_row):
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# Assuming DevEui or DevAddr is in the 'Content' part of the formatted_row
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# and it's formatted like 'Dev Addr: {DevEui}, Size: {Size}'
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try:
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content_part = formatted_row.split('|')[-1].strip() # Get the last part of the formatted_row, which is 'Content'
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dev_id = content_part.split(',')[0].split(':')[-1].strip() # Extract the DevEui or DevAddr
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return dev_id
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except Exception as e:
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print(f"Error extracting DevEui/DevAddr: {e}")
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return None # Return None or some default value if extraction fails
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def extract_freq(formatted_row):
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# Assuming 'Freq' is a standalone field in the formatted_row
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try:
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freq_part = formatted_row.split('|')[3].strip() # Get the 'Freq' part (assuming it's the fifth field)
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freq = float(freq_part) # Convert the frequency to float
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return freq
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except Exception as e:
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print(f"Error extracting frequency: {e}")
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return None # Return None or some default value if extraction fails
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def connect_serial(port,frequency):
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global ser1
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global ser2
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global ser3
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if frequency == 433:
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try:
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ser1 = serial.Serial(port, baudrate=9600)
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serial_buffers['port1'] = deque(maxlen=10)
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serial_threads['port1'] = threading.Thread(target=read_serial_data, args=('port1', ser1, serial_buffers['port1']))
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serial_threads['port1'].daemon = True
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serial_threads['port1'].start()
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except:
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print("\n\nPort for 433 MHz not available\n\n")
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if frequency == 868:
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try:
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ser2 = serial.Serial(port, baudrate=9600)
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serial_buffers['port2'] = deque(maxlen=10)
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serial_threads['port2'] = threading.Thread(target=read_serial_data, args=('port2', ser2, serial_buffers['port2']))
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serial_threads['port2'].daemon = True
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serial_threads['port2'].start()
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except:
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print("\n\nPort for 868 MHz not available\n\n")
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if frequency == 915:
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try:
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ser3 = serial.Serial(port, baudrate=9600)
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serial_buffers['port3'] = deque(maxlen=10)
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serial_threads['port3'] = threading.Thread(target=read_serial_data, args=('port3', ser3, serial_buffers['port3']))
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serial_threads['port3'].daemon = True
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serial_threads['port3'].start()
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except:
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print('\n\nPort for 915 MHz not available\n\n')
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def disconnect_serial(port):
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global ser1
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global ser2
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global ser3
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try:
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serial_threads[port].stop()
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del serial_threads[port]
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del serial_buffers[port]
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except:
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pass
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if port == "port1":
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ser1.close()
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elif port == "port2":
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ser2.close()
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elif port == "port3":
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ser3.close()
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else:
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print("Unkown port, something went wrong...")
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@app.route('/')
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def index():
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return render_template('index.html')
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@app.route('/analysis')
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def analysis():
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return render_template('analysis.html', initial_data={port: list(buffer) for port, buffer in serial_buffers.items()})
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@app.route('/survey')
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def survey():
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return render_template('survey.html')
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@app.route('/tracking')
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def tracking():
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return render_template('tracking.html', initial_data={port: list(buffer) for port, buffer in serial_buffers.items()})
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@app.route('/attach_serial_433', methods=['GET'])
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def attach_serial_433():
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user_input = escape(request.args.get('user_input'))
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port1_status = True
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connect_serial(str(user_input), 433)
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# Process the input as needed
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result = f'Serial Port Requested for 433 MHz'
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return jsonify(result=result)
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@app.route('/delete_serial_433', methods=['GET'])
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def delete433():
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# Add your logic here to handle the confirmation
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disconnect_serial("port1")
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result = "Port Disconnected!"
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return jsonify(result=result)
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@app.route('/attach_serial_868', methods=['GET'])
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def attach_serial_868():
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user_input = escape(request.args.get('user_input'))
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port2_status = True
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connect_serial(str(user_input), 868)
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# Process the input as needed
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result = f'Serial Port Requested for 868 MHz'
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return jsonify(result=result)
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@app.route('/delete_serial_868', methods=['GET'])
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def delete868():
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# Add your logic here to handle the confirmation
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disconnect_serial("port2")
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result = "Port Disconnected!"
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return jsonify(result=result)
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@app.route('/attach_serial_915', methods=['GET'])
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def attach_serial_915():
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user_input = escape(request.args.get('user_input'))
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connect_serial(str(user_input), 915)
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# Process the input as needed
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result = f'Serial Port Requested for 915 MHz'
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return jsonify(result=result)
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@app.route('/delete_serial_915', methods=['GET'])
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def delete915():
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# Add your logic here to handle the confirmation
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disconnect_serial("port3")
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result = "Port Disconnected!"
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return jsonify(result=result)
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@socketio.on('connect')
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def handle_connect():
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for port, buffer in serial_buffers.items():
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emit(f'initial_serial_data_{port}', {'data': list(buffer)})
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@app.route('/transmit433', methods=['POST'])
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def transmit433():
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global ser1
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data = request.json # Get the data from the POST request
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user_input = data.get('user_input') # Extract the user input
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msg = "TX:"+user_input+" "
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ser1.write(msg.encode())
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return jsonify(result="Ok")
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@app.route('/get_serial_ports')
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def get_serial_ports():
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ports = [port.device for port in serial.tools.list_ports.comports()]
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return jsonify(ports=ports)
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@app.route('/transmit868', methods=['POST'])
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def transmit868():
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global ser2
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data = request.json # Get the data from the POST request
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user_input = data.get('user_input') # Extract the user input
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msg = "TX:"+user_input+" "
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ser2.write(msg.encode())
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return jsonify(result="Ok")
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@app.route('/transmit915', methods=['POST'])
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def transmit915():
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global ser3
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data = request.json # Get the data from the POST request
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user_input = data.get('user_input') # Extract the user input
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msg = "TX:"+user_input+" "
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ser3.write(msg.encode())
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return jsonify(result="Ok")
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@app.route('/checkSer', methods=['GET'])
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def checkSer():
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data = request.args.get('port')
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if data == 'port1':
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try:
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if ser1.is_open:
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return jsonify(result="True")
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except:
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pass
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elif data == 'port2':
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try:
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if ser2.is_open:
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return jsonify(result="True")
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except:
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pass
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elif data == 'port3':
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try:
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if ser3.is_open:
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return jsonify(result="True")
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except:
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pass
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return jsonify(result="False")
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@app.route('/get_table_data')
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def get_table_data():
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global surveydata
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cleaned_data = {}
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for dev_id, data in surveydata.items():
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if dev_id: # Check if dev_id is not empty
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cleaned_data[dev_id] = data
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#print(cleaned_data) # For debugging
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return jsonify(cleaned_data)
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@app.route('/set_gateways', methods=['POST'])
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def set_gateways():
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global gateway_ips
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data = request.form
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for key in [f'gateway{i}' for i in range(1, 11)]:
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input_ip = data.get(key, '').strip()
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if input_ip:
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try:
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ipaddress.ip_address(input_ip)
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gateway_ips[key] = input_ip
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except ValueError:
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return jsonify({"error": f"Invalid IP address provided for {key}"}), 400
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for gateway, ip_address in gateway_ips.items():
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print(f"Gateway {gateway} has IP address: {ip_address}")
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return jsonify({"message": "Gateway IPs updated successfully"}), 200
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@app.route('/downloadPackets', methods=['GET'])
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def downloadPackets():
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csv_data = convert_dict_to_csv(surveydata)
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# Convert StringIO to BytesIO for send_file compatibility
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bytes_data = BytesIO()
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bytes_data.write(csv_data.getvalue().encode('utf-8'))
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bytes_data.seek(0)
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return send_file(bytes_data, mimetype='text/csv', as_attachment=True, download_name='surveydata.csv')
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if __name__ == '__main__':
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Timer(30, parse_and_store_data).start()
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socketio.run(app, debug=True)
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