Class: Rack::ProcTitle

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/contrib/proctitle.rb

Overview

Middleware to update the process title ($0) with information about the current request. Based loosely on:

NOTE: This will not work properly in a multi-threaded environment.

Constant Summary collapse

F = 
::File
PROGNAME = 
F.basename($0)

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ ProcTitle

Returns a new instance of ProcTitle.



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# File 'lib/rack/contrib/proctitle.rb', line 12

def initialize(app)
  @app = app
  @appname = Dir.pwd.split('/').reverse.
    find { |name| name !~ /^(\d+|current|releases)$/ } || PROGNAME
  @requests = 0
  $0 = "#{PROGNAME} [#{@appname}] init ..."
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/contrib/proctitle.rb', line 20

def call(env)
  host, port = env['SERVER_NAME'], env['SERVER_PORT']
  meth, path = env['REQUEST_METHOD'], env['PATH_INFO']
  @requests += 1
  $0 = "#{PROGNAME} [#{@appname}/#{port}] (#{@requests}) " \
       "#{meth} #{path}"

  @app.call(env)
end