2003-06-09 20:23:40 +02:00
|
|
|
-----------------------------------------------------------------------------
|
|
|
|
|
-- UDP sample: daytime protocol client
|
2003-06-26 20:47:49 +02:00
|
|
|
-- LuaSocket sample files
|
2003-06-09 20:23:40 +02:00
|
|
|
-- Author: Diego Nehab
|
|
|
|
|
-- RCS ID: $Id$
|
|
|
|
|
-----------------------------------------------------------------------------
|
2004-06-21 08:07:58 +02:00
|
|
|
local socket = require"socket"
|
2001-01-25 22:59:39 +01:00
|
|
|
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
|
2003-08-16 02:06:04 +02:00
|
|
|
host = socket.dns.toip(host)
|
2003-03-28 22:08:50 +01:00
|
|
|
udp = socket.udp()
|
2001-01-25 22:59:39 +01:00
|
|
|
print("Using host '" ..host.. "' and port " ..port.. "...")
|
2003-05-25 03:54:13 +02:00
|
|
|
udp:setpeername(host, port)
|
2004-03-22 05:15:03 +01:00
|
|
|
udp:settimeout(3)
|
2003-05-25 03:54:13 +02:00
|
|
|
sent, err = udp:send("anything")
|
2004-03-22 05:15:03 +01:00
|
|
|
if err then print(err) os.exit() end
|
2001-03-06 20:23:21 +01:00
|
|
|
dgram, err = udp:receive()
|
2004-03-22 05:15:03 +01:00
|
|
|
if not dgram then print(err) os.exit() end
|
2003-03-28 22:08:50 +01:00
|
|
|
io.write(dgram)
|
