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annotate samples/echoclnt.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: echo protocol client
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3 -- LuaSocket sample files
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4 -- Author: Diego Nehab
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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5 -- RCS ID: $Id: echoclnt.lua,v 1.10 2005/01/02 22:44:00 diego Exp $
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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6 -----------------------------------------------------------------------------
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7 local socket = require("socket")
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8 host = host or "localhost"
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9 port = port or 7
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10 if arg then
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11 host = arg[1] or host
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12 port = arg[2] or port
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13 end
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14 host = socket.dns.toip(host)
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15 udp = assert(socket.udp())
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16 assert(udp:setpeername(host, port))
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17 print("Using remote host '" ..host.. "' and port " .. port .. "...")
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18 while 1 do
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19 line = io.read()
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20 if not line or line == "" then os.exit() end
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21 assert(udp:send(line))
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22 dgram = assert(udp:receive())
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23 print(dgram)
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24 end