Stuff from HAR

measure.rb

#!/usr/bin/env ruby

require 'json'

def group_time_by_hosts(raw)
  result = {}
  raw["log"]["entries"].each do |entry|
    url = entry["request"]["url"]
    addr = url.split('/')[2]
    addr = addr.split('.')[-2..-1] if addr
    host = addr ? addr.join('.') : url

    result[host] ||= {}
    result[host]["call_count"] ||= 0
    result[host]["call_count"] += 1
    result[host]["total_time"] ||= 0
    result[host]["total_time"] += entry["time"].to_i
  end
  result
end

def group_time_by_hosts_and_response_types(raw)
  result = {}
  raw["log"]["entries"].each do |entry|
    url = entry["request"]["url"]
    addr = url.split('/')[2]
    addr = addr.split('.')[-2..-1] if addr
    host = addr ? addr.join('.') : url

    mime_type = entry["response"]["content"]["mimeType"]
    key = [mime_type, host].join("\t")
    result[key] ||= {}
    result[key]["call_count"] ||= 0
    result[key]["call_count"] += 1
    result[key]["total_time"] ||= 0
    result[key]["total_time"] += entry["time"].to_i
  end
  result
end

ARGV.each do |filename|
  puts filename
  puts '===================='

  3.times { puts }
  puts %w{Host TotalTime CallCount}.join("\t")
  result = group_time_by_hosts JSON.parse(File.read(filename))
  result.sort_by { |host, time| -time["total_time"] }.each do |host, time|
    puts([host,
          (time["total_time"]/1000.0),
          time["call_count"]].join("\t"))
  end

  3.times { puts }

  puts %w{ContentType Host TotalTime CallCount}.join("\t")
  result = group_time_by_hosts_and_response_types JSON.parse(File.read(filename))
  result.sort_by { |host, time| -time["total_time"] }.each do |host, time|
    puts([host,
          (time["total_time"]/1000.0),
          time["call_count"]].join("\t"))
  end
end