bumblebee-status/bumblebee/modules/traffic.py
Tobias Witek 2d99bdf314 [modules/traffic] Allow for state filtering
The optional parameter "states" can now be used to filter which
interfaces to display. "^" can be used for negation.

For example, to only show "up" interfaces:

-p traffic.states=up

To show all interfaces not in "down" state:

-p traffic.states=^down

fixes #98
2017-06-03 15:20:27 +02:00

99 lines
3.3 KiB
Python

# pylint: disable=C0111,R0903
"""Displays network IO for interfaces.
Parameters:
* traffic.exclude: Comma-separated list of interface prefixes to exclude (defaults to "lo,virbr,docker,vboxnet,veth")
* traffic.states: Comma-separated list of states to show (prefix with "^" to invert - i.e. ^down -> show all devices that are not in state down)
"""
import re
import psutil
import netifaces
import bumblebee.util
import bumblebee.input
import bumblebee.output
import bumblebee.engine
class Module(bumblebee.engine.Module):
def __init__(self, engine, config):
widgets = []
super(Module, self).__init__(engine, config, widgets)
self._exclude = tuple(filter(len, self.parameter("exclude", "lo,virbr,docker,vboxnet,veth").split(",")))
self._status = ""
self._states = {}
self._states["include"] = []
self._states["exclude"] = []
for state in tuple(filter(len, self.parameter("states", "").split(","))):
if state[0] == "^":
self._states["exclude"].append(state[1:])
else:
self._states["include"].append(state)
self._update_widgets(widgets)
def state(self, widget):
if "traffic.rx" in widget.name:
return "rx"
if "traffic.tx" in widget.name:
return "tx"
return self._status
def update(self, widgets):
self._update_widgets(widgets)
def create_widget(self, widgets, name, txt=None, attributes={}):
widget = self.widget(name)
if widget: return widget
widget = bumblebee.output.Widget(name=name)
widget.full_text(txt)
widgets.append(widget)
for key in attributes:
widget.set(key, attributes[key])
return widget
def get_addresses(self, intf):
retval = []
try:
for ip in netifaces.ifaddresses(intf).get(netifaces.AF_INET, []):
if ip.get("addr", "") != "":
retval.append(ip.get("addr"))
except Exception:
return []
return retval
def _update_widgets(self, widgets):
interfaces = [ i for i in netifaces.interfaces() if not i.startswith(self._exclude) ]
counters = psutil.net_io_counters(pernic=True)
for interface in interfaces:
if not interface: interface = "lo"
state = "down"
if len(self.get_addresses(interface)) > 0:
state = "up"
if len(self._states["exclude"]) > 0 and state in self._states["exclude"]: continue
if len(self._states["include"]) > 0 and state not in self._states["include"]: continue
data = {
"rx": counters[interface].bytes_recv,
"tx": counters[interface].bytes_sent,
}
name = "traffic-{}".format(interface)
self.create_widget(widgets, name, interface)
for direction in ["rx", "tx"]:
name = "traffic.{}-{}".format(direction, interface)
widget = self.create_widget(widgets, name, attributes={"theme.minwidth": "1000.00MB"})
prev = widget.get(direction, 0)
speed = bumblebee.util.bytefmt(int(data[direction]) - int(prev))
widget.full_text(speed)
widget.set(direction, data[direction])
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4