Added a favicon interceptor to the examples, and used it in the raste…

…rizer examples

README.md

@@ -93,3 +93,4 @@ Goliath has been in production at PostRank for over a year, serving a sustained
 ## License & Acknowledgments
 
 Goliath is distributed under the MIT license, for full details please see the LICENSE file.
+Rock favicon CC-BY from [Douglas Feer](http://www.favicon.cc/?action=icon&file_id=375421)

examples/favicon.rb

@@ -0,0 +1,40 @@
+#!/usr/bin/env ruby
+require 'time'
+
+#
+# Reads a favicon.ico statically at load time, renders it on any request for
+# '/favicon.ico', and sends every other request on downstream.
+#
+# If you will be serving even one more file than this one, you should instead
+# use Rack::Static:
+#
+#     use(Rack::Static, # render static files from ./public
+#            :root => Goliath::Application.app_path("public"),
+#            :urls => ["/favicon.ico", '/stylesheets', '/javascripts', '/images'])
+#
+class Favicon
+  def initialize(app, filename)
+    @@favicon  = File.read(filename)
+    @@last_mod = File.mtime(filename).utc.rfc822
+    @@expires  = Time.at(Time.now + 604800).utc.rfc822 # 1 week from now
+    @app = app
+  end
+
+  def call(env, *args)
+    if env['REQUEST_PATH'] == '/favicon.ico'
+      return [200, {"Last-Modified"=> @@last_mod.to_s, "Expires" => @@expires, "Content-Type"=>"image/vnd.microsoft.icon"}, @@favicon]
+    else
+      return @app.call(env)
+    end
+  end
+end
+
+if File.expand_path($0) == File.expand_path(__FILE__)
+  $:<< '../lib' << 'lib'
+  require 'goliath'
+  puts "starting hello world!"
+  class HelloWorld < Goliath::API
+    HelloWorld.use(Favicon, File.expand_path(File.dirname(__FILE__)+"/public/favicon.ico"))
+  end
+  require(File.dirname(__FILE__)+'/hello_world.rb')
+end

examples/http_log.rb

@@ -56,6 +56,7 @@ def to_http_header(k)
   # Write the request information into mongo
   def record(process_time, resp, client_headers, response_headers)
     e = env
+    e.trace('http_log_record')
     EM.next_tick do
       doc = {
         request: {
@@ -81,4 +82,4 @@ def record(process_time, resp, client_headers, response_headers)
       e.mongo.insert(doc)
     end
   end
-end
+end

examples/rasterize/rasterize.rb

@@ -2,14 +2,15 @@
 $: << File.dirname(__FILE__)+'/../../lib'
 require 'goliath'
 require 'postrank-uri'
+require File.dirname(__FILE__)+'/../favicon'
 
 # Install phantomjs: http://code.google.com/p/phantomjs/wiki/QuickStart
 # $> ruby rasterize.rb -sv
 # $> curl http://localhost:9000/?url=http://www.google.com (or rather, visit in the browser!)
 
 class Rasterize < Goliath::API
   use Goliath::Rack::Params
-
+  use Favicon, File.expand_path(File.dirname(__FILE__)+"/../public/favicon.ico")
   use Goliath::Rack::Validation::RequestMethod, %w(GET)
   use Goliath::Rack::Validation::RequiredParam, {:key => 'url'}