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114 lines
3.3 KiB
114 lines
3.3 KiB
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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import datetime
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import os.path
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import asyncio
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import logging
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import argparse
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import websockets
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import socketserver
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import configparser
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import os
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from collections import deque
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from urllib.parse import urlparse, parse_qs
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from ansi2html import Ansi2HTMLConverter
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current_dir = os.getcwd()
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config = configparser.ConfigParser()
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config.read(current_dir + '/logtailer.ini')
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# init
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logging.basicConfig(format='%(asctime)s %(levelname)s %(message)s', level=logging.INFO)
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conv = Ansi2HTMLConverter(inline=True)
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@asyncio.coroutine
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def view_log(websocket, path):
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global config
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logging.info('Connected, remote={}, path={}'.format(websocket.remote_address, path))
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try:
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try:
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parse_result = urlparse(path)
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except Exception:
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raise ValueError('Fail to parse URL')
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NUM_LINES = int(config['MMDVMHost']['Num_Lines'])
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path = os.path.abspath(parse_result.path)
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now = datetime.datetime.now()
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year = str(now.year)
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month = str(now.month)
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if len(month) == 1:
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month = "0" + month
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day = str(now.day)
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if len(day) == 1:
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day = "0" + day
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file_path = ""
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if path == "/MMDVM":
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file_path = config['MMDVMHost']['Logdir']+config['MMDVMHost']['Prefix']+"-"+year+"-"+month+"-"+day+".log"
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elif path == "/DAPNET":
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file_path = config['DAPNETGateway']['Logdir']+config['DAPNETGateway']['Prefix']+"-"+year+"-"+month+"-"+day+".log"
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NUM_LINES = 0
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logging.info(file_path)
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if not os.path.isfile(file_path):
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raise ValueError('Not found')
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with open(file_path, newline = '\n') as f:
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content = ''.join(deque(f, NUM_LINES))
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content = conv.convert(content, full=False)
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lines = content.split("\n")
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for line in lines:
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if line.find('received') >0 or line.find('Sending') > 0:
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yield from websocket.send(line)
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while True:
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content = f.read()
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if content:
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content = conv.convert(content, full=False)
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lines = content.split("\n")
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for line in lines:
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if line.find('received') >0 or line.find('Sending') > 0:
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yield from websocket.send(line)
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else:
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yield from asyncio.sleep(1)
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except ValueError as e:
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try:
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yield from websocket.send('<font color="red"><strong>{}</strong></font>'.format(e))
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yield from websocket.close()
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except Exception:
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pass
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log_close(websocket, path, e)
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except Exception as e:
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log_close(websocket, path, e)
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else:
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log_close(websocket, path)
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def log_close(websocket, path, exception=None):
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message = 'Closed, remote={}, path={}'.format(websocket.remote_address, path)
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if exception is not None:
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message += ', exception={}'.format(exception)
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logging.info(message)
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def websocketserver():
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start_server = websockets.serve(view_log, config['DEFAULT']['Host'], config['DEFAULT']['Port'])
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asyncio.get_event_loop().run_until_complete(start_server)
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asyncio.get_event_loop().run_forever()
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def main():
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websocketserver()
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if __name__ == '__main__':
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main()
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