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annotate samples/daytimeclnt.lua @ 0:4b915342e2a8

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