mirror of
https://github.com/lunarmodules/luasocket.git
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29 lines
843 B
Lua
29 lines
843 B
Lua
-----------------------------------------------------------------------------
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-- UDP sample: echo protocol server
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-- LuaSocket sample files
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-- Author: Diego Nehab
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-- RCS ID: $Id$
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-----------------------------------------------------------------------------
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host = host or "127.0.0.1"
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port = port or 7
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if arg then
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host = arg[1] or host
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port = arg[2] or port
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end
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print("Binding to host '" ..host.. "' and port " ..port.. "...")
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udp, err = socket.udp()
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if not udp then print(err) os.exit() end
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err = udp:setsockname(host, port)
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if err then print(err) os.exit() end
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udp:timeout(5)
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ip, port = udp:getsockname()
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print("Waiting packets on " .. ip .. ":" .. port .. "...")
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while 1 do
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dgram, ip, port = udp:receivefrom()
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if not dgram then print(ip)
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else
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print("Echoing from " .. ip .. ":" .. port)
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udp:sendto(dgram, ip, port)
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end
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end
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