ルーターのping値が悪くなったらインターネットを再接続するスクリプト

router-reconnect.rb

#!/usr/bin/ruby
require 'net/http'

def router_online
  puts "router_online"
  uri = URI('http://192.168.0.1/hgi-bin/Setup/main_index.cgi')
  req = Net::HTTP::Post.new(uri)
  req.basic_auth('admin', 'qtnetbbiq')
  req.set_form_data({
                      'o' => 'online',
                    })

  res = Net::HTTP.start(uri.hostname, uri.port) {|http|
    http.request(req)
  }
  puts res.code
end

def router_offline
  puts "router_offline"
  uri = URI('http://192.168.0.1/hgi-bin/Setup/main_index.cgi')
  req = Net::HTTP::Post.new(uri)
  req.basic_auth('admin', 'qtnetbbiq')
  req.set_form_data({
                      'o' => 'online',
                    })

  res = Net::HTTP.start(uri.hostname, uri.port) {|http|
    http.request(req)
  }
  puts res.code
end

#### MAIN ####
unless `ping -c 1 192.168.0.1` =~ /time=([0-9.]+) ms/
  STDERR.puts 'failed get ping time'
  exit 1
end

time = $1.to_f
puts "#{time}ms"

if time >= 100
  puts "reconnecting to the internet"
  router_offline
  sleep 3
  router_online
else
  puts "ping time good"
end