2003-06-09 11:23:40 -07:00
|
|
|
-----------------------------------------------------------------------------
|
|
|
|
-- UDP sample: daytime protocol client
|
2003-06-26 11:47:49 -07:00
|
|
|
-- LuaSocket sample files
|
2003-06-09 11:23:40 -07:00
|
|
|
-- Author: Diego Nehab
|
|
|
|
-----------------------------------------------------------------------------
|
2004-06-20 23:07:58 -07:00
|
|
|
local socket = require"socket"
|
2001-01-25 13:59:39 -08:00
|
|
|
host = host or "127.0.0.1"
|
|
|
|
port = port or 13
|
|
|
|
if arg then
|
|
|
|
host = arg[1] or host
|
|
|
|
port = arg[2] or port
|
|
|
|
end
|
2003-08-15 17:06:04 -07:00
|
|
|
host = socket.dns.toip(host)
|
2003-03-28 13:08:50 -08:00
|
|
|
udp = socket.udp()
|
2001-01-25 13:59:39 -08:00
|
|
|
print("Using host '" ..host.. "' and port " ..port.. "...")
|
2003-05-24 18:54:13 -07:00
|
|
|
udp:setpeername(host, port)
|
2004-03-21 20:15:03 -08:00
|
|
|
udp:settimeout(3)
|
2003-05-24 18:54:13 -07:00
|
|
|
sent, err = udp:send("anything")
|
2004-03-21 20:15:03 -08:00
|
|
|
if err then print(err) os.exit() end
|
2001-03-06 11:23:21 -08:00
|
|
|
dgram, err = udp:receive()
|
2004-03-21 20:15:03 -08:00
|
|
|
if not dgram then print(err) os.exit() end
|
2003-03-28 13:08:50 -08:00
|
|
|
io.write(dgram)
|