Lazy Pirate client in Ruby

#!/usr/bin/env ruby

# Author: Han Holl <moc.xobop|lloh.nah#moc.xobop|lloh.nah>

require 'rubygems'
require 'ffi-rzmq'

class LPClient
def initialize(connect, retries = nil, timeout = nil)
@connect = connect
@retries = (retries || 3).to_i
@timeout = (timeout || 10).to_i
@ctx = ZMQ::Context.new(1)
client_sock
at_exit do
@socket.close
end
end

def client_sock
@socket = @ctx.socket(ZMQ::REQ)
@socket.setsockopt(ZMQ::LINGER, 0)
@socket.connect(@connect)
end

def send(message)
@retries.times do |tries|
raise("Send: #{message} failed") unless @socket.send(message)
if ZMQ.select( [@socket], nil, nil, @timeout)
yield @socket.recv
return
else
@socket.close
client_sock
end
end
raise 'Server down'
end

end

if $0 == __FILE__
server = LPClient.new(ARGV[0] || "tcp://localhost:5555", ARGV[1], ARGV[2])
count = 0
loop do
request = "#{count}"
count += 1
server.send(request) do |reply|
if reply == request
puts("I: server replied OK (#{reply})")
else
puts("E: malformed reply from server: #{reply}")
end
end
end
puts 'success'
end