Class: Didao

Inherits:
Object
  • Object
show all
Defined in:
lib/didao.rb

Overview

A class representing a single gopher server instance

Instance Method Summary collapse

Constructor Details

#initialize(port = 70, path = Dir.pwd) ⇒ Didao

Returns a new instance of Didao.



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# File 'lib/didao.rb', line 7

def initialize(port = 70, path = Dir.pwd)
  @port = port
  @path = path
  @path += '/' unless @path =~ %r{\/$}
  @server = TCPServer.open(port)
end

Instance Method Details

#handle_request(request, source) ⇒ Object 



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# File 'lib/didao.rb', line 25

def handle_request(request, source)
  gopher_path = request.gsub("\r\n", '<CR><LF>')
  puts '---'
  puts "#{Time.now}: Received request: \"#{gopher_path}\" from #{source}"
  file = request == "\r\n" ? 'gophermap' : request.chomp
  puts "#{Time.now}: Returning requested file: \"#{file}\""
  process_file(file)
end

#process_file(file_name) ⇒ Object 



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# File 'lib/didao.rb', line 14

def process_file(file_name)
  file_name = file_name.sub(%r{^\/.\/}, '')
  File.open(@path + file_name, 'rb').read
  # This is technically nonstandard, as gophermaps should always end with '.'
  # This is best remedied outside this file, which should just be basic
  # server operations.
rescue Errno::ENOENT => e
  puts e.message
  'Not Found'
end

#run ⇒ Object 



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# File 'lib/didao.rb', line 34

def run
  puts "Didao listening on #{@port}. Press Ctrl+C to exit."
  loop do
    client = @server.accept
    Thread.start(client) do |conn|
      conn.puts handle_request(conn.readline, conn.peeraddr[3])
      conn.close
    end
  end
rescue Interrupt
  puts "\nClosing Didao Server..."
end