Adding code and slides

2008-02-20 14:01:31 -05:00
parent 550e63a97e
commit ef4721aaf5
107 changed files with 61 additions and 0 deletions
--- a/demo.rb
+++ b/demo.rb
@@ -0,0 +1,57 @@
+%w(rubygems eventmachine thin thin_parser rack rack/lobster).each { |f| require f }
+
+class Connection < EventMachine::Connection  
+  attr_accessor :app
+  
+  def initialize
+    @parser = Thin::HttpParser.new
+    @data = ''
+    @nparsed = 0
+    @env = {}
+  end
+  
+  def receive_data(data)
+    @data << data
+    @nparsed = @parser.execute(@env, @data, @nparsed)
+    
+    process if @parser.finished?
+  end
+  
+  def process
+    status, headers, body = @app.call(@env)
+    
+    body_output = ''
+    body.each { |l| body_output << l }
+    
+    send_data "HTTP/1.1 #{status} OK\r\n" +
+              headers.inject('') { |h, (k,v)| h += "#k: #v\r\n" } +
+              "\r\n" +
+              body_output
+    
+    close_connection_after_writing
+  end
+end
+
+welcome_app = proc do |env|
+  [
+    200,                                  # Status
+    {'Content-Type' => 'text/html'},      # Headers
+    [
+      '<html><body>',
+      '<h1>Welcome</h1>',
+      '<p>Welcome to my server!</p>',            # Body
+      '<p><a href="/rails">My Rails app!</a></p>',
+      '</body></html>'
+    ]
+  ]
+end
+
+rails_app = Rack::Adapter::Rails.new(:root => '/Users/marc/projects/refactormycode', :prefix => '/rails')
+
+app = Rack::URLMap.new('/' => welcome_app, '/rails' => rails_app)
+
+EventMachine.run do
+  EventMachine.start_server '0.0.0.0', 3000, Connection do |con|
+    con.app = app
+  end
+end