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Versions: 11
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Contents
require 'erb'
module Thin
module Stats
# Rack adapter to log stats about a Rack application.
class Adapter
include ERB::Util
def initialize(app, path='/stats')
@app = app
@path = path
@template = ERB.new(File.read(File.dirname(__FILE__) + '/stats.html.erb'))
@requests = 0
@requests_finished = 0
@start_time = Time.now
end
def call(env)
if env['PATH_INFO'].index(@path) == 0
serve(env)
else
log(env) { @app.call(env) }
end
end
def log(env)
@requests += 1
@last_request = Rack::Request.new(env)
request_started_at = Time.now
response = yield
@requests_finished += 1
@last_request_time = Time.now - request_started_at
response
end
def serve(env)
body = @template.result(binding)
[
200,
{
'Content-Type' => 'text/html',
'Content-Length' => body.size.to_s
},
[body]
]
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems