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