103 lines
2.5 KiB
Python
Executable File
103 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# -*- coding: utf-8 -*-
|
|
#
|
|
# NetWatch.py -- A health dashboard for your network
|
|
# Copyright 2015 Will Bradley
|
|
#
|
|
|
|
# Command-line GUI
|
|
import curses
|
|
import curses.wrapper
|
|
# Timer
|
|
from gi.repository import GLib, GObject
|
|
# Pinging
|
|
import subprocess
|
|
# Regex
|
|
import re
|
|
# Unicode
|
|
import locale
|
|
locale.setlocale(locale.LC_ALL, '')
|
|
encoding = locale.getpreferredencoding()
|
|
|
|
# Variables
|
|
host = "8.8.8.8"
|
|
ping_frequency = 5
|
|
|
|
class Pinger:
|
|
ping_log = []
|
|
paused = False
|
|
autostart = False
|
|
icon_height = 22
|
|
|
|
def ping(self):
|
|
self.draw()
|
|
ping = subprocess.Popen(
|
|
["ping", "-c", "1", host],
|
|
stdout = subprocess.PIPE,
|
|
stderr = subprocess.PIPE
|
|
)
|
|
out, error = ping.communicate()
|
|
m = re.search('time=(.*) ms', out)
|
|
if error or m == None:
|
|
self.log_ping(-1)
|
|
else:
|
|
latency = "%.2f" % float(m.group(1))
|
|
self.log_ping(latency)
|
|
self.count += 1
|
|
GObject.timeout_add_seconds(self.timeout, self.ping)
|
|
self.stdscr.addstr(0,0,"Internet: "+str(latency), curses.color_pair(3))
|
|
self.draw()
|
|
|
|
def draw(self):
|
|
for i,p in enumerate(self.ping_log):
|
|
if float(p) == -1:
|
|
graph = "E "#u'\u2847' # Error
|
|
color = curses.color_pair(1)
|
|
elif float(p) < 30:
|
|
graph = u'\u2840'
|
|
color = curses.color_pair(2)
|
|
elif float(p) < 100:
|
|
graph = u'\u2844'
|
|
color = curses.color_pair(2)
|
|
elif float(p) < 200:
|
|
graph = u'\u2846'
|
|
color = curses.color_pair(1)
|
|
else:
|
|
graph = u'\u2847'
|
|
color = curses.color_pair(1)
|
|
self.stdscr.addstr(1,i,graph.encode(encoding), color)
|
|
|
|
self.stdscr.refresh()
|
|
|
|
def log_ping(self, value):
|
|
self.ping_log.append(float(value))
|
|
#self.update_log_menu()
|
|
# limit the size of the log
|
|
if len(self.ping_log) >= self.ping_log_max_size:
|
|
# remove the earliest ping, not the latest
|
|
self.ping_log.pop(0)
|
|
|
|
def __init__(self, stdscr):
|
|
# start the ping process
|
|
self.stdscr = stdscr
|
|
self.window_size = stdscr.getmaxyx() # returns an array [height,width]
|
|
self.ping_log_max_size = self.window_size[1] # max width
|
|
self.timeout = ping_frequency
|
|
self.count = 1
|
|
self.ping()
|
|
self.loop = GLib.MainLoop()
|
|
self.loop.run()
|
|
|
|
|
|
def main(stdscr):
|
|
|
|
curses.init_pair(3, curses.COLOR_WHITE, curses.COLOR_BLACK);
|
|
curses.init_pair(1, curses.COLOR_RED, curses.COLOR_BLACK);
|
|
curses.init_pair(2, curses.COLOR_GREEN, curses.COLOR_BLACK);
|
|
|
|
pinger = Pinger(stdscr)
|
|
|
|
if __name__ == '__main__':
|
|
curses.wrapper(main)
|
|
|