Mercurial > luasocket
comparison samples/daytimeclnt.lua @ 0:4b915342e2a8
LuaSocket 2.0.2 + CMake build description.
author | Eric Wing <ewing . public |-at-| gmail . com> |
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date | Tue, 26 Aug 2008 18:40:01 -0700 |
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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) |