Mercurial > luasocket
comparison samples/daytimeclnt.lua @ 0:4b915342e2a8
LuaSocket 2.0.2 + CMake build description.
| author | Eric Wing <ewing . public |-at-| gmail . com> |
|---|---|
| date | Tue, 26 Aug 2008 18:40:01 -0700 |
| parents | |
| children |
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| -1:000000000000 | 0:4b915342e2a8 |
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| 1 ----------------------------------------------------------------------------- | |
| 2 -- UDP sample: daytime protocol client | |
| 3 -- LuaSocket sample files | |
| 4 -- Author: Diego Nehab | |
| 5 -- RCS ID: $Id: daytimeclnt.lua,v 1.11 2004/06/21 06:07:57 diego Exp $ | |
| 6 ----------------------------------------------------------------------------- | |
| 7 local socket = require"socket" | |
| 8 host = host or "127.0.0.1" | |
| 9 port = port or 13 | |
| 10 if arg then | |
| 11 host = arg[1] or host | |
| 12 port = arg[2] or port | |
| 13 end | |
| 14 host = socket.dns.toip(host) | |
| 15 udp = socket.udp() | |
| 16 print("Using host '" ..host.. "' and port " ..port.. "...") | |
| 17 udp:setpeername(host, port) | |
| 18 udp:settimeout(3) | |
| 19 sent, err = udp:send("anything") | |
| 20 if err then print(err) os.exit() end | |
| 21 dgram, err = udp:receive() | |
| 22 if not dgram then print(err) os.exit() end | |
| 23 io.write(dgram) |