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# Rack adapter to log stats to a Rack application
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def initialize(app, path='/stats')
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+ @template = ERB.new(TEMPLATE)
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- @
server = env['SERVER_SOFTWARE']0
+ @
last_request = Rack::Request.new(env)0
request_started_at = Time.now
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@requests_finished += 1
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- @last_request_path = env['PATH_INFO']
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@last_request_time = Time.now - request_started_at
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- body << '<h1>Server stats</h1>'
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- body << "<li>#{@requests} requests</li>"
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- body << "<li>#{@requests_finished} requests finished</li>"
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- body << "<li>#{@requests - @requests_finished} errors</li>"
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- body << "<li>#{Time.now - @start_time} uptime</li>"
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- body << "<li>Running on #{@server}</li>"
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- body << '<h2>Last request</h2>'
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- body << "<li>#{@last_request_path}</li>"
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- body << "<li>Took #{@last_request_time} sec</li>"
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- body << '</body></html>'
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+ body = @template.result(binding)
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'Content-Type' => 'text/html',
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'Content-Length' => body.size.to_s
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+ def distance_of_time_in_words(from_time, to_time = 0, include_seconds = false)
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+ from_time = from_time.to_time if from_time.respond_to?(:to_time)
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+ to_time = to_time.to_time if to_time.respond_to?(:to_time)
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+ distance_in_minutes = (((to_time - from_time).abs)/60).round
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+ distance_in_seconds = ((to_time - from_time).abs).round
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+ case distance_in_minutes
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+ return (distance_in_minutes == 0) ? 'less than a minute' : '1 minute' unless include_seconds
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+ case distance_in_seconds
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+ when 0..4 then 'less than 5 seconds'
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+ when 5..9 then 'less than 10 seconds'
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+ when 10..19 then 'less than 20 seconds'
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+ when 20..39 then 'half a minute'
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+ when 40..59 then 'less than a minute'
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+ when 2..44 then "#{distance_in_minutes} minutes"
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+ when 45..89 then 'about 1 hour'
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+ when 90..1439 then "about #{(distance_in_minutes.to_f / 60.0).round} hours"
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+ when 1440..2879 then '1 day'
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+ when 2880..43199 then "#{(distance_in_minutes / 1440).round} days"
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+ when 43200..86399 then 'about 1 month'
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+ when 86400..525599 then "#{(distance_in_minutes / 43200).round} months"
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+ when 525600..1051199 then 'about 1 year'
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+ else "over #{(distance_in_minutes / 525600).round} years"
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+# Taken from Rack::ShowException
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+# adapted from Django <djangoproject.com>
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+# Copyright (c) 2005, the Lawrence Journal-World
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+# Used under the modified BSD license:
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+# http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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+ <meta http-equiv="content-type" content="text/html; charset=utf-8" />
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+ <meta name="robots" content="NONE,NOARCHIVE" />
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+ <title>Thin Stats</title>
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+ <style type="text/css">
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+ html * { padding:0; margin:0; }
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+ body * { padding:10px 20px; }
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+ body * * { padding:0; }
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+ body { font:small sans-serif; }
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+ body>div { border-bottom:1px solid #ddd; }
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+ h1 { font-weight:normal; }
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+ h2 { margin-bottom:.8em; }
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+ h2 span { font-size:80%; color:#666; font-weight:normal; }
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+ h3 { margin:1em 0 .5em 0; }
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+ h4 { margin:0 0 .5em 0; font-weight: normal; }
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+ border:1px solid #ccc; border-collapse: collapse; background:white; }
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+ tbody td, tbody th { vertical-align:top; padding:2px 3px; }
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+ padding:1px 6px 1px 3px; background:#fefefe; text-align:left;
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+ font-weight:normal; font-size:11px; border:1px solid #ddd; }
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+ tbody th { text-align:right; color:#666; padding-right:.5em; }
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+ table.vars { margin:5px 0 2px 40px; }
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+ table.vars td, table.req td { font-family:monospace; }
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+ table td.code { width:100%;}
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+ table td.code div { overflow:hidden; }
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+ table.source th { color:#666; }
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+ font-family:monospace; white-space:pre; border-bottom:1px solid #eee; }
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+ ul.traceback { list-style-type:none; }
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+ ul.traceback li.frame { margin-bottom:1em; }
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+ div.context { margin: 10px 0; }
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+ padding-left:30px; margin:0 10px; list-style-position: inside; }
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+ font-family:monospace; white-space:pre; color:#666; cursor:pointer; }
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+ div.context ol.context-line li { color:black; background-color:#ccc; }
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+ div.context ol.context-line li span { float: right; }
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+ div.commands { margin-left: 40px; }
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+ div.commands a { color:black; text-decoration:none; }
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+ #summary { background: #ffc; }
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+ #summary h2 { font-weight: normal; color: #666; }
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+ #summary ul#quicklinks { list-style-type: none; margin-bottom: 2em; }
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+ #summary ul#quicklinks li { float: left; padding: 0 1em; }
) is private.
