#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |             ____ _               _        __  __ _  __           |
# |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
# |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
# |           | |___| | | |  __/ (__|   <    | |  | | . \            |
# |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
# |                                                                  |
# | Copyright Mathias Kettner 2016             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.


# TODO unify with other if inventory plugins
def inv_lnx_if(parsed, params):
    node = inv_tree_list("networking.interfaces:")

    usage_port_types = params.get("usage_port_types",
           [ '6', '32', '62', '117', '127', '128', '129', '180', '181', '182', '205', '229' ])

    def render_mac_address(bytestring):
        return ":".join(["%02s" % hex(ord(m))[2:] for m in bytestring]).replace(' ', '0').upper()

    total_ethernet_ports = 0
    available_ethernet_ports = 0
    for if_index, if_descr, if_type, if_speed, if_oper_status, \
        if_in_octets, inucast, inmcast, inbcast, if_in_discards, \
        if_in_errors, if_out_octets, outucast, outmcast, outbcast, \
        if_out_discards, if_out_errors, if_out_qlen, if_alias, if_phys_address in parsed:

        if if_type in ( "231", "232" ) or not if_speed:
            continue # Useless entries for "TenGigabitEthernet2/1/21--Uncontrolled"
                     # Ignore useless half-empty tables (e.g. Viprinet-Router)

        if_info = {
            "index"        : int(if_index),
            "description"  : if_descr,
            "alias"        : if_alias,
            "speed"        : int(if_speed),
            "phys_address" : render_mac_address(if_phys_address),
            "oper_status"  : int(if_oper_status),
            "port_type"    : int(if_type),
        }

        if if_type in usage_port_types:
            if_available = if_oper_status == '2'
            total_ethernet_ports += 1
            if if_available:
                available_ethernet_ports += 1
        else:
            if_available = None

        if_info["available"] = if_available
        node.append(if_info)

    node = inv_tree("networking.")
    node["available_ethernet_ports"] = available_ethernet_ports
    node["total_ethernet_ports"] = total_ethernet_ports
    node["total_interfaces"] = len(parsed)


inv_info['lnx_if'] = {
    'inv_function' : inv_lnx_if,
}
