PortStatisticsRpm.htm

<script>
var max_port_num = 8;
var port_middle_num  = 16;
var all_info = {
state:[1,1,1,1,1,1,1,1,0,0],
link_status:[6,5,6,6,6,0,0,0,0,0],
pkts:[2122543,0,3700387,0,3680568,0,2159940,0,12396,0,5219,0,373395,0,315254,0,7230,0,595,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
};
var tip = "";
</script>

TL-SG108E.rb

#!/usr/bin/ruby

require "rest-client"
require "yaml"
require "nokogiri"
require "rkelly"
require "zabbix"

def parse_global_js_vars(js)
  rkelly_parser = RKelly::Parser.new
  js_rkelly = rkelly_parser.parse(js)
  
  js_rkelly.value.map do |variable|
    [variable.value.first.name, parse_rkelly(variable.value.first.value.value)]
  end.to_h
end

def parse_rkelly(node)
  case node
    when RKelly::Nodes::NumberNode, RKelly::Nodes::StringNode
      node.value
    when RKelly::Nodes::ArrayNode
      node.value.map do |object|
        parse_rkelly(object.value)
      end
    when RKelly::Nodes::ObjectLiteralNode
      node.value.map do |object|
        [object.name, parse_rkelly(object.value)]
      end.to_h
  end
end

@config = YAML.load(File.read("#{__FILE__}.yml"))
switch = RestClient::Resource.new("http://#{@config["switch"]["host"]}")

begin
  switch["/logon.cgi"].post(
      username: @config["switch"]["user"],
      password: @config["switch"]["password"],
      logon: "Login")
rescue RestClient::Unauthorized
end

port_stats = parse_global_js_vars(
    Nokogiri::HTML(switch["/PortStatisticsRpm.htm"].get)
        .xpath("//script").first.inner_html)

@zabbix = Zabbix::Sender.new(config_file: @config["zabbix"]["conf"])

def zabbix_send(port, key, value)
  @zabbix.send_data(
      "tp_link[#{port}][#{key}]", value, host: @config["zabbix"]["host"])
end

(1..port_stats["max_port_num"]).each do |port|
  port_index = port - 1
  all_info = port_stats["all_info"]
  pkts_start = port_index * 4

  zabbix_send(port, "status", all_info["state"][port_index])
  zabbix_send(port, "link_status", all_info["link_status"][port_index])

  [:tx_good_pkt, :tx_bad_pkt, :rx_good_pkt, :rx_bad_pkt]
      .each_with_index do |field, index|
    zabbix_send(port, field, all_info["pkts"][pkts_start + index])
  end
end