2003-06-09 20:23:40 +02:00
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-----------------------------------------------------------------------------
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-- UDP sample: echo protocol server
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2003-06-26 20:47:49 +02:00
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-- LuaSocket sample files
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2003-06-09 20:23:40 +02:00
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-- Author: Diego Nehab
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-----------------------------------------------------------------------------
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2004-06-21 08:07:58 +02:00
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local socket = require("socket")
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2001-01-25 22:59:39 +01:00
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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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2005-01-02 23:44:00 +01:00
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udp = assert(socket.udp())
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assert(udp:setsockname(host, port))
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assert(udp:settimeout(5))
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ip, port = udp:getsockname()
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assert(ip, port)
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2001-01-25 22:59:39 +01:00
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print("Waiting packets on " .. ip .. ":" .. port .. "...")
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while 1 do
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2001-03-06 20:46:42 +01:00
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dgram, ip, port = udp:receivefrom()
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2005-11-22 09:33:29 +01:00
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if dgram then
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2004-05-28 09:24:43 +02:00
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print("Echoing '" .. dgram .. "' to " .. ip .. ":" .. port)
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2001-03-06 20:46:42 +01:00
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udp:sendto(dgram, ip, port)
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2005-11-22 09:33:29 +01:00
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else
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print(ip)
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2004-05-28 09:24:43 +02:00
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end
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2001-01-25 22:59:39 +01:00
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end
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