#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |             ____ _               _        __  __ _  __           |
# |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
# |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
# |           | |___| | | |  __/ (__|   <    | |  | | . \            |
# |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
# |                                                                  |
# | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
# +------------------------------------------------------------------+
#
# This file is part of Check_MK.
# The official homepage is at http://mathias-kettner.de/check_mk.
#
# check_mk is free software;  you can redistribute it and/or modify it
# under the  terms of the  GNU General Public License  as published by
# the Free Software Foundation in version 2.  check_mk is  distributed
# in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
# out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
# PARTICULAR PURPOSE. See the  GNU General Public License for more de-
# tails. You should have  received  a copy of the  GNU  General Public
# License along with GNU Make; see the file  COPYING.  If  not,  write
# to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
# Boston, MA 02110-1301 USA.

# Example output from agent (German Windows XP)
# <<<win_netstat>>>
#
# Aktive Verbindungen
#
#   Proto  Lokale Adresse         Remoteadresse          Status
#   TCP    0.0.0.0:135            0.0.0.0:0              ABHREN
#   TCP    0.0.0.0:445            0.0.0.0:0              ABHREN
#   TCP    0.0.0.0:2869           0.0.0.0:0              ABHREN
#   TCP    0.0.0.0:6556           0.0.0.0:0              ABHREN
#   TCP    10.1.1.99:139          0.0.0.0:0              ABHREN
#   TCP    10.1.1.99:445          10.1.1.123:52820       HERGESTELLT
#   TCP    10.1.1.99:6556         10.1.1.50:43257        WARTEND
#   TCP    10.1.1.99:6556         10.1.1.50:43288        WARTEND
#   TCP    10.1.1.99:6556         10.1.1.50:43309        WARTEND
#   TCP    127.0.0.1:1029         127.0.0.1:5354         HERGESTELLT
#   TCP    127.0.0.1:1030         0.0.0.0:0              ABHREN
#   TCP    127.0.0.1:1040         127.0.0.1:27015        HERGESTELLT
#   TCP    127.0.0.1:5354         0.0.0.0:0              ABHREN
#   TCP    127.0.0.1:5354         127.0.0.1:1029         HERGESTELLT
#   TCP    127.0.0.1:27015        0.0.0.0:0              ABHREN
#   TCP    127.0.0.1:27015        127.0.0.1:1040         HERGESTELLT
#   UDP    0.0.0.0:445            *:*
#   UDP    0.0.0.0:500            *:*
#   UDP    127.0.0.1:1042         *:*
#   UDP    127.0.0.1:1900         *:*

win_netstat_states = {
    # German
    u"ABH\x99REN": "LISTENING",
    "HERGESTELLT": "ESTABLISHED",
    "WARTEND": "TIME_WAIT",
    # Add further states in any required language here. Sorry, Windows
    # has no "unset LANG" ;-)
}


def parse_win_netstat(info):
    connections = []
    for line in info:
        if line[0] == "TCP":
            proto, local, remote, connstate = line
        elif line[0] == "UDP":
            proto, local, remote = line
            connstate = "LISTEN"
        else:
            continue
        connections.append((proto, local.rsplit(":", 1), remote.rsplit(":", 1),
                            win_netstat_states.get(connstate, connstate)))
    return connections


check_info["win_netstat"] = {
    'parse_function': parse_win_netstat,
    'check_function': check_netstat_generic,
    'service_description': "TCP Connection %s",
    'group': "tcp_connections",
    'includes': ["netstat.include"],
    'has_perfdata': True,
}
