Suggested changes for http://stackoverflow.com/questions/18727360/why-wont-my-server-open-files/18728231#18728231

gistfile1.rb

require 'socket'

class Server

  def initialize(base, request, server_name, session, charset)

    @base = base
    @request = request
    @charset = charset
    @server_name = server_name
    @session = session

    serve()

  end

  def serve

    access_log
    get_address()
    @content_type = get_content_type()
    @session.print "HTTP/1.1 200 OK\r\nServer: #{@server_name}\r\nContent-Type: #{@content_type}; charset=@{charset}\r\n\r\n"
    get_file()
    @base = nil
    @request = nil
    @server_name = nil
    @content_type
    @session.close
    puts "Session Ended\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
    @session = nil

  end

  def access_log

    File.open(File.join(@base, "data/access_log.txt"), "w") do |log|
      log.puts "#{Time.now.localtime.strftime("%Y/%m/%d %H:%M:%S")} #{@session.peeraddr[2]}:#{@session.peeraddr[1]} #{@request}"
    end

  end

  def get_address

    src = @request.gsub(/GET /, '').gsub(/ HTTP.*/, '').strip
    @src = (@base + "root" + src).gsub('/', '\\')

  end

  def get_content_type()

    ext = File.extname(@src)

    content_type = case ext
                   when /\.html?/
                     "text/html" 
                   when ".txt" 
                     "text/plain"
                   when ".css" 
                     "text/css"  
                   when /\.jpe?g/
                     "image/jpeg"
                   when ".gif" 
                     "image/gif" 
                   when ".bmp" 
                     "image/bmp" 
                   when ".rb"  
                     "text/plain"
                   when /\.x[ms]l/
                     "text/xml"  
                   else
                     "text/html"
                   end

    content_type

  end

  def get_file()
    begin

      if !File.exist?(@src)

        puts "File: #{@src} could not be found"
        if @content_type["image"]
          File.open(File.join(@base, "root", "server_files", "broken_image.png"), "rb") do |image|
            @session.puts image.read
          end
        else
          File.foreach(File.join(@base, "root", "server_files", "error404.html")) do |li|
            @session.puts li
          end
        end

      else

        puts "File #{@src} was opened"
        File.foreach(@src) do |li|
          @session.puts li
        end

      end

    rescue Exception => e
      puts e.message
    end
  end

end

base = "C:/Base/"
server_name = "Some Server"
host = "localhost"
port = 80
charset = "UFT-8"

server = TCPServer.new(host, port)
puts "~ Server hosted on #{host}:#{port} ~\n====================================\n"

loop {
  Thread.new(server.accept) do |session|
    request = session.gets
    puts "#{session.peeraddr[2]}:#{session.peeraddr[1]} #{request}"
    Server.new(base, request, server_name, session, charset)
  end
}

p = gets.chomp
server.close