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# -*- python -*-
from plugins.network import Network
from plugins.ping import Ping
from common import *
class MyNetwork(Entry):
def __init__(self, *args, limits = None, ignore = None, pings = None, renamemap = None, **kwargs):
self.limits = { 'rx_bytes' : None # Download speed in bytes (not bits)
, 'tx_bytes' : None # Upload speed in bytes (not bits)
, 'rx_total' : None # Download cap in bytes
, 'tx_total' : None # Upload cap in bytes
}
if limits is not None:
self.limits = limits
if pings is None:
pings = ['gateway']
elif isinstance(pings, str) or isinstance(pings, Ping):
pings = [pings]
pings = [(Ping(targets = Ping.get_nics(p)) if isinstance(p, str) else p).monitors for p in pings]
self.pings = {}
for ping in pings:
for nic in ping.keys():
if nic not in self.pings:
self.pings[nic] = ping[nic]
else:
self.pings[nic] += ping[nic]
self.ignore = ['lo'] if ignore is None else list(ignore)
self.renamemap = renamemap
self.net_time = time.monotonic()
self.net_last = {}
self.show_all = True
self.show_name = True
self.show_value = 0
self.labels = ['bytes', 'total', 'packets', 'errs',
'drop', 'fifo', 'frame', 'colls',
'carrier', 'compressed', 'multicast']
self.in_bytes = False # in bits if showing total
Entry.__init__(self, *args, **kwargs)
def networkOK(self, name):
if name.startswith("docker"):
return False
if name.startswith("zcctun"):
return False
if name.startswith("veth"):
return False
return True;
def action(self, col, button, x, y):
if button == LEFT_BUTTON:
self.show_all = not self.show_all
elif button == MIDDLE_BUTTON:
self.show_name = not self.show_name
elif button == RIGHT_BUTTON:
self.in_bytes = not self.in_bytes
elif button == SCROLL_UP:
n = self.show_value + 1
if n >= len(self.labels):
return
self.show_value = n
elif button == SCROLL_DOWN:
n = self.show_value - 1
if self.show_value < 0:
return
self.show_value = n
else:
return
self.invalidate()
def colourise(self, value, percent):
colour = '39'
if percent > 25: colour = '32'
if percent > 50: colour = '33'
if percent > 90: colour = '31'
return '\033[%sm%3.0f\033[0m' % (colour, value)
def KBps(self, network, device, direction, net_tdiff):
direction += '_bytes'
value = network[device][direction]
limit = None
if direction in self.limits:
limit = self.limits[direction]
if limit is None:
limit = 12500000 # 100 mbps
if device in self.net_last:
value -= self.net_last[device][direction]
else:
value = 0
percent = value * 100 / (limit * net_tdiff)
value /= 1024 * net_tdiff
return self.colourise(value, percent)
def kbps(self, network, device, direction, net_tdiff):
direction += '_bytes'
value = network[device][direction]
limit = None
if direction in self.limits:
limit = self.limits[direction]
if limit is None:
limit = 12500000 # 100 mbps
if device in self.net_last:
value -= self.net_last[device][direction]
else:
value = 0
percent = value * 100 / (limit * net_tdiff)
value /= 128 * net_tdiff
return self.colourise(value, percent)
def total(self, network, device, direction, bits):
direction += '_bytes'
value = network[device][direction]
limit = self.limits[direction] if direction in self.limits else None
if limit is not None:
percent = value * 100 / limit
colour = '32'
if percent >= 25: colour = '39'
if percent >= 50: colour = '33'
if percent >= 75: colour = '31'
if percent >= 95: colour = '7;33'
if percent >= 100: colour = '7;31'
else:
colour = '39'
if bits:
value *= 8
unit = 0
if bits:
units = ['', 'k', 'm', 'g', 't', 'p', 'e']
else:
units = ['', 'K', 'M', 'G', 'T', 'P', 'E']
while (unit + 1 < len(units)) and (value >= 1024):
value /= 1024
unit += 1
return '\033[%sm%.1f\033[0m%s' % (colour, value, units[unit])
def ping(self, monitor):
monitor.semaphore.acquire()
try:
latency = monitor.get_latency(True)[1]
droptime = monitor.dropped_time(True)
if droptime:
return ' \033[31m%4is\033[00m' % droptime
elif latency is None:
return ' \033[31mdrop?\033[00m'
colour = '31'
if latency < 5: colour = '32'
elif latency < 10: colour = '39'
elif latency < 20: colour = '33'
return ' \033[%sm%5.2f\033[00m' % (colour, latency)
finally:
monitor.semaphore.release()
def function(self):
net_now = time.monotonic()
net_tdiff, self.net_time = net_now - self.net_time, net_now
network = Network(*self.ignore).devices
network = {self.renamemap.get(dev, dev): stat for dev, stat in network.items() if self.networkOK(dev)}
label = self.labels[self.show_value]
show_total = label == 'total'
show_bytes = label == 'bytes'
xlabel = 'bytes' if show_total else label
suffix = ''
if show_total and self.in_bytes:
f = lambda dev, dir : self.total(network, dev, dir, True) + 'b'
elif show_total:
f = lambda dev, dir : self.total(network, dev, dir, False) + 'B'
elif show_bytes and self.in_bytes:
f = lambda dev, dir : self.KBps(network, dev, dir, net_tdiff) + 'KB/s'
elif show_bytes:
f = lambda dev, dir : self.kbps(network, dev, dir, net_tdiff) + 'kbps'
else:
f = lambda dev, dir : '%i' % network[dev][dir + '_' + label]
suffix = ' ' + label
def create(lbl, dev):
ret = ''
if lbl is not None:
ret += lbl + ': '
have_down = ('rx_' + xlabel) in network[dev]
have_up = ('tx_' + xlabel) in network[dev]
if have_down:
ret += f(dev, 'rx') + '↓'
if have_up:
ret += ' '
if have_up:
ret += f(dev, 'tx') + '↑'
ret += suffix
if show_bytes or show_total:
if dev == '*':
for dev in self.pings.keys():
for ping in self.pings[dev]:
ret += self.ping(ping)
elif dev in self.pings:
for ping in self.pings[dev]:
ret += self.ping(ping)
return ret
if self.show_all:
if self.show_name:
net = [create(dev, dev) for dev in network if dev]
else:
net = [create(None, dev) for dev in network if dev]
net = (SEPARATOR if self.show_name else ' ').join(net)
else:
devsum = {}
for dev in network.keys():
table = network[dev]
for key in table.keys():
if key not in devsum:
devsum[key] = 0
devsum[key] += table[key]
network['*'] = devsum
if self.show_name:
net = create('Net', '*')
else:
net = create(None, '*')
self.net_last = network
return net
|
