Created
January 14, 2021 19:37
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require 'open3' | |
require 'net/http' | |
require 'json' | |
class String | |
def green; "\e[32m#{self}\e[0m" end | |
def brown; "\e[33m#{self}\e[0m" end | |
def blue; "\e[34m#{self}\e[0m" end | |
def gray; "\e[37m#{self}\e[0m" end | |
def magenta; "\e[35m#{self}\e[0m" end | |
def cyan; "\e[36m#{self}\e[0m" end | |
end | |
MATCH_EXPRESSION = /(\d+)\s([\*\s]+\*?)?\s?([^\s]+)\s\(([^\s]+)\)\s+(\d+\.\d+)\sms\s+(\d+\.\d+)\sms/ | |
class IPStackClient | |
QUERY_URL = "http://api.ipstack.com/%{ip}?access_key=#{ENV['IPSTACK_ACCESS_KEY']}" | |
def self.query(ip) | |
uri = URI(QUERY_URL % {ip: ip}) | |
response = Net::HTTP.get(uri) | |
JSON.parse(response) | |
end | |
end | |
module Traceroute | |
Hop = Struct.new(:number, :drops, :address, :host, :ttl, :rtt) do | |
def drops_count | |
drops.to_s.count('*') | |
end | |
def location | |
IPStackClient.query(host).slice("city", "country_name").values.reject { |v| v == "" || v.nil? }.join(", ") | |
rescue StandardError | |
"N/A" | |
end | |
def to_a | |
[number, drops, address, host, ttl, rtt] | |
end | |
def to_s | |
[ | |
number.ljust(10), | |
address.blue.ljust(70), | |
host.ljust(16), | |
('%.3f' % ttl.to_f).magenta.ljust(20), | |
('%.2f' % rtt.to_f).cyan.ljust(20), | |
"@ #{location.green}" | |
].join(" ") | |
end | |
end | |
class Command | |
attr_reader :hops | |
def initialize(destination) | |
@destination = destination | |
@hops = [] | |
end | |
def run | |
cmd = "traceroute -I #{@destination}" | |
Open3.popen2e(cmd) do |stdin, stdout_stderr, wait_thr| | |
stdout_stderr.each do |l| | |
match = l.match(MATCH_EXPRESSION) | |
puts match.nil? ? l.strip : Hop.new(*match.captures).to_s | |
end | |
stdin.close | |
end | |
end | |
end | |
end | |
raise ArgumentError.new("Please provide host as a first argument.") unless ARGV[0] | |
command = Traceroute::Command.new(ARGV[0]) | |
command.run |
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