Class: Smartkiosk::Client::Logging::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/smartkiosk/client/logging.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



9
10
11
 
# File 'lib/smartkiosk/client/logging.rb', line 9

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



13
14
15
16
17
18
19
20
21
 
# File 'lib/smartkiosk/client/logging.rb', line 13

def call(env)
  began_at = Time.now

  env['rack.logger'] = Smartkiosk::Client::Logging.logger
  status, header, body = @app.call(env)
  header = Rack::Utils::HeaderHash.new(header)
  log(env, status, header, began_at)
  [status, header, body]
end

#extract_content_length(headers) ⇒ Object 



33
34
35
36
 
# File 'lib/smartkiosk/client/logging.rb', line 33

def extract_content_length(headers)
  value = headers['Content-Length'] or return '-'
  value.to_s == '0' ? '-' : value
end

#log(env, status, header, began_at) ⇒ Object 



23
24
25
26
27
28
29
30
31
 
# File 'lib/smartkiosk/client/logging.rb', line 23

def log(env, status, header, began_at)
  now = Time.now
  length = extract_content_length(header)

  Smartkiosk::Client::Logging.logger.info "#{status.to_s[0..3]} #{env["REQUEST_METHOD"]} " <<
    "#{env["PATH_INFO"]}#{env["QUERY_STRING"].empty? ? "" : "?"+env["QUERY_STRING"]}, " <<
    "#{length} (#{now - began_at})"

end