The Tor Browser: python/psutil/examples/netstat.py@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 #!/usr/bin/env python

     3 # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.

     4 # Use of this source code is governed by a BSD-style license that can be

     5 # found in the LICENSE file.

     7 """

     8 A clone of 'netstat'.

     9 """

    11 import socket

    12 from socket import AF_INET, SOCK_STREAM, SOCK_DGRAM

    14 import psutil

    15 from psutil._compat import print_

    18 AD = "-"

    19 AF_INET6 = getattr(socket, 'AF_INET6', object())

    20 proto_map = {(AF_INET, SOCK_STREAM)  : 'tcp',

    21              (AF_INET6, SOCK_STREAM) : 'tcp6',

    22              (AF_INET, SOCK_DGRAM)   : 'udp',

    23              (AF_INET6, SOCK_DGRAM)  : 'udp6'}

    25 def main():

    26     templ = "%-5s %-22s %-22s %-13s %-6s %s"

    27     print_(templ % ("Proto", "Local addr", "Remote addr", "Status", "PID",

    28                     "Program name"))

    29     for p in psutil.process_iter():

    30         name = '?'

    31         try:

    32             name = p.name

    33             cons = p.get_connections(kind='inet')

    34         except psutil.AccessDenied:

    35             print_(templ % (AD, AD, AD, AD, p.pid, name))

    36         except psutil.NoSuchProcess:

    37             continue

    38         else:

    39             for c in cons:

    40                 raddr = ""

    41                 laddr = "%s:%s" % (c.laddr)

    42                 if c.raddr:

    43                     raddr = "%s:%s" % (c.raddr)

    44                 print_(templ % (proto_map[(c.family, c.type)],

    45                                 laddr,

    46                                 raddr,

    47                                 str(c.status),

    48                                 p.pid,

    49                                 name[:15]))

    51 if __name__ == '__main__':

    52     main()

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