Cowsay Socket Server - Iteration 1

server-01.rb

require 'socket'

module CowSay
    class Server
        def initialize(port)
            # Create the underlying socket server
            @server = TCPServer.new(port)
            puts "Listening on port #{@server.local_address.ip_port}"
        end

        def start
            # TODO Currently this server can only accept one connection at at
            # time. Do I want to change that so I can process multiple requests
            # at once?
            Socket.accept_loop(@server) do |connection|
                handle(connection)
                connection.close
            end
        end

        def handle(connection)
            # TODO Read is going to block until EOF. I need to use something
            # different that will work without an EOF. 
            request = connection.read

            # The current API will accept a message only from netcat. This
            # message is what the cow will say. Soon I will add support for
            # more features, like choosing your cow.
            # TODO - Parse the request

            # Write back the result of the hash operation
            connection.write process(request)
        end

        def process(request)
            # TODO This is just painfully naive. I'll use a different
            # interface eventually.
            `cowsay "#{request}"`
        end
    end
end

server = CowSay::Server.new(4481)
server.start