-- Copyright (c) 2010 Aleksey Yeschenko <aleksey@yeschenko.com>
--
-- Permission is hereby granted, free of charge, to any person obtaining a copy
-- of this software and associated documentation files (the "Software"), to deal
-- in the Software without restriction, including without limitation the rights
-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-- copies of the Software, and to permit persons to whom the Software is
-- furnished to do so, subject to the following conditions:
--
-- The above copyright notice and this permission notice shall be included in
-- all copies or substantial portions of the Software.
--
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-- THE SOFTWARE.

require("zmq")

if not arg[2] then
    print("usage: lua local_lat.lua <bind-to> <roundtrip-count>")
    os.exit()
end

local bind_to = arg[1]
local roundtrip_count = tonumber(arg[2])

local ctx = zmq.init(1, 1)
local s = zmq.socket(ctx, zmq.REP)
zmq.bind(s, bind_to)

local msg

for i = 1, roundtrip_count do
    msg = zmq.recv(s)
    zmq.send(s, msg)
end

zmq.close(s)
zmq.term(ctx)