Class: Fluent::VikiInput

Inherits:
HttpInput
  • Object
show all
Includes:
Geoip
Defined in:
lib/fluent/plugin/in_viki.rb

Constant Summary collapse

CROSSDOMAIN_XML = 
<<EOF
<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd">
<cross-domain-policy>
  <allow-access-from domain="*" />
</cross-domain-policy>
EOF

Instance Method Summary collapse

Methods included from Geoip

#city_of_ip, #country_code_of_ip, #geoip_db_path, #global_geoip

Instance Method Details

#gen_message_id(time) ⇒ Object

Generate a unique id for the event, length: 10+1+5 = 16 It’s relatively sortable



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# File 'lib/fluent/plugin/in_viki.rb', line 175

def gen_message_id time
  r = rand(36**5).to_s(36)
  "#{time.to_s}-#{r}"
end

#on_request(path_info, params) ⇒ Object 



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# File 'lib/fluent/plugin/in_viki.rb', line 21

def on_request(path_info, params)
  return_hash = nil

  begin
    tag = path_info[1..-1].split('/').join('.')
    return return_200_crossdomain unless tag.downcase.match("crossdomain.xml").nil?
    tag = @default_tag if tag == '' && @default_tag != ''

    record = params.dup

    time = if record['t_f']
      t_f = record['t_f']
      record.delete('t_f')
      t_f.to_i
    else
      Engine.now
    end

    record['t'] = time.to_s unless record['t']

    set_record_ip(params, record)
    set_record_domain(record)

    record['uuid'] = record.delete('viki_uuid') if record['viki_uuid']
    record['content_provider'] = record.delete('type') if record['type']
    record['device_id'] = record.delete('dev_model') if record['dev_model']
    record.each { |k, v| record[k] = '' if v == 'null' }

    # generate a unique event id for each event
    unless record['mid']
      record['mid'] = params['HTTP_X_REQUEST_ID'] || gen_message_id(time)
    end

    # rename video_view to minute_view
    record['event'] = 'minute_view' if record['event'] == 'video_view'

    # rename bottom_subtitle to subtitle_lang, add subtitle_enabled
    if %w(video_play minute_view).include?(record['event'])
      update_subtitles(record)
    end

    # fix xunlei data sending timestamps
    if record['app_id'] == '100105a'
      record.delete_if {|key, _|  !!(key =~ /\A[0-9]+{13}\z/) }
    end

  rescue
    return return_400
  end

  begin
    Engine.emit(tag, time, record)
  rescue
    return return_505
  end

  return_200(return_hash)
end

#remove_exceptions_from_hash(attr_hash, app_id) ⇒ Object 



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# File 'lib/fluent/plugin/in_viki.rb', line 94

def remove_exceptions_from_hash(attr_hash, app_id)
  app_hash = { '100004a' => 'ios', '100005a' => 'android', '65535a' => 'flash', '100017a' => 'android', '100016a' => 'mweb', '100018a' => 'xbox' }
  source = app_hash[app_id]

  if source.nil?
    puts "Warning: Could not identify source with app_id: "+app_id
    return nil
  end

  attr_hash.each { |k, v|
    if v.any? && v.include?(source)
      attr_hash.delete(k)
    end
  }
  attr_hash.keys
end

#resolve_correct_ip(ips) ⇒ Object 



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# File 'lib/fluent/plugin/in_viki.rb', line 139

def resolve_correct_ip(ips)
  ips.each do |ip|
    geo_country = country_code_of_ip(ip)

    return [ip, geo_country] unless geo_country.nil?
  end unless ips.nil?

  [ips.first, nil]
end

#return_200(json_hash) ⇒ Object 



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# File 'lib/fluent/plugin/in_viki.rb', line 157

def return_200 json_hash
  if json_hash
    ["200 OK", { 'Content-type' => 'application/json' }, json_hash.to_json]
  else
    if @respond_with_empty_img
      ["200 OK", { 'Content-type' => 'image/gif', 'Access-Control-Allow-Origin' => '*' }, "GIF89a\u0001\u0000\u0001\u0000\x80\xFF\u0000\xFF\xFF\xFF\u0000\u0000\u0000,\u0000\u0000\u0000\u0000\u0001\u0000\u0001\u0000\u0000\u0002\u0002D\u0001\u0000;"]
    else
      ["200 OK", { 'Content-type' => 'text/plain', 'Access-Control-Allow-Origin' => '*' }, ""]
    end
  end
end

#return_200_crossdomain ⇒ Object 



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# File 'lib/fluent/plugin/in_viki.rb', line 169

def return_200_crossdomain
  ["200 OK", { 'Content-type' => 'text/xml', 'Access-Control-Allow-Origin' => '*', 'Cache-Control' => 'public; max-age=36000' }, CROSSDOMAIN_XML]
end

#return_400 ⇒ Object 



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# File 'lib/fluent/plugin/in_viki.rb', line 153

def return_400
  ["400 Bad Request", { 'Content-type' => 'text/plain' }, "400 Bad Request\n#{$!}\n"]
end

#return_505 ⇒ Object 



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# File 'lib/fluent/plugin/in_viki.rb', line 149

def return_505
  ["500 Internal Server Error", { 'Content-type' => 'text/plain' }, "500 Internal Server Error\n#{$!}\n"]
end

#set_record_domain(record) ⇒ Object 



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# File 'lib/fluent/plugin/in_viki.rb', line 112

def set_record_domain(record)
  site = record['site']
  record['domain'] = site.gsub(/^https?:\/\//, '').gsub(/([^\/]*)(.*)/, '\1').gsub(/^www\./, '') if site
end

#set_record_ip(params, record) ⇒ Object 



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# File 'lib/fluent/plugin/in_viki.rb', line 117

def set_record_ip(params, record)
  record['ip'] ||= params['HTTP_X_FORWARDED_FOR'] || params['REMOTE_ADDR']
  ips = unless record['ip'].nil?
    if record['ip'].kind_of? String
      record['ip'].gsub(' ', ',').split(',')
    elsif record['ip'].kind_of? Array
      record['ip']
        .map {|e| e.split(",").map(&:strip) }
        .inject([]) {|accum, e| accum + e}
    end
  end

  record['country'] = record.delete('country_code') if record['country_code']

  valid_ip, geo_country = resolve_correct_ip(ips)

  record['ip_raw'], record['ip'] = record['ip'], valid_ip
  record['country'] = geo_country || record['country']

  record.merge! city_of_ip(valid_ip)
end

#update_subtitles(record) ⇒ Object 



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# File 'lib/fluent/plugin/in_viki.rb', line 80

def update_subtitles(record)
  record['subtitle_lang'] = record.delete('bottom_subtitle') if record['bottom_subtitle'] and record['subtitle_lang'].nil?

  if record['subtitle_visible'].nil?
    record['subtitle_visible'] = record['subtitle_lang'] && record['subtitle_lang'].size > 0
  end

  # manual subtitle set to Chinese for xunlei and letv
  if %w(100106a 100105a).include?(record['app_id'])
    record['subtitle_enabled'] = true
    record['subtitle_lang'] = 'zh'
  end
end