ruby socket example

require 'socket'               # Get sockets from stdlib
port=666
#dbm = YAML::DBM.new("fruitstore.db")


#build hash
#ask if key exist
#ask if value exist
hash=Hash.new
server = TCPServer.open(port)  # Socket to listen on port 2000
loop {                         # Servers run forever
  client = server.accept       # Wait for a client to connect
  until client.closed?

  question=client.recv(500)
  if question.include?("build_hash")
  	question.gsub!("build_hash","")
  	client.puts "building hash"
  	key=question.split(" ")[0]
  	v_1=question.split(" ")[1]
  	v_2=question.split(" ")[2]
  	hash[key]=v_1,v_2
  	

  end

  if question.include?("got_key")
  	puts question.gsub!("got_key","")
  	response=hash[question]
  	if response.nil?
  		client.puts("nil")
  	else
  		client.puts(response)
  	end
  	#client.puts "getting key"
  end


   if question.include?("got_value")
   	puts question.gsub!("got_value","")
  	response=hash.key[question]
  	if response.nil?
  		client.puts("nil")
  	else
  		client.puts(response)
  	end
  end


puts "the hash is now: #{hash.size}"
end#until closed
}




#the client ran in another console
s = TCPSocket.open(hostname, 666)
s.puts("build_hashNew hash entry")
#hash => key=>[val,ue]
puts s.recv(500)