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#!bin/lem
--
-- This file is part of LEM, a Lua Event Machine.
-- Copyright 2011-2012 Emil Renner Berthing
--
-- LEM is free software: you can redistribute it and/or
-- modify it under the terms of the GNU General Public License as
-- published by the Free Software Foundation, either version 3 of
-- the License, or (at your option) any later version.
--
-- LEM is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with LEM. If not, see <http://www.gnu.org/licenses/>.
--
print('Entered ' .. arg[0])
local utils = require 'lem.utils'
local streams = require 'lem.streams'
local server = assert(streams.tcp4_listen('*', arg[1] or 8080))
--timer(10, function() exit(0) end)
utils.timer(10, function()
print 'Closing server'
server:close()
end)
local ok, err = server:autospawn(function(i, o)
print 'Accepted a connection'
local sleeper = utils.sleeper()
while true do
local line, err = i:read('*l')
if not line then
if err == 'closed' then
print("Client closed connection")
return
end
error(err)
end
print("Client sent: '" .. line .. "'")
if line ~= 'ping' then break end
sleeper:sleep(0.4)
assert(o:write('pong\n'))
end
print "Ok, I'm out"
assert(i:close())
assert(o:close())
end)
if not ok and err ~= 'interrupted' then error(err) end
print('Exiting ' .. arg[0])
-- vim: syntax=lua ts=2 sw=2 noet:
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