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-----------------------------------------------------------------------------
-- UDP sample: echo protocol client
-- LuaSocket sample files
-- Author: Diego Nehab
-- RCS ID: $Id: echoclnt.lua,v 1.6 2003/08/16 00:06:04 diego Exp $
-----------------------------------------------------------------------------
host = host or "localhost"
port = port or 7
if arg then
host = arg[1] or host
port = arg[2] or port
end
host = socket.dns.toip(host)
udp, err = socket.udp()
assert(udp, err)
ret, err = udp:setpeername(host, port)
assert(ret, err)
print("Using host '" ..host.. "' and port " .. port .. "...")
while 1 do
line = io.read()
if not line then os.exit() end
ret, err = udp:send(line)
if not ret then print(err) os.exit() end
dgram, err = udp:receive()
if not dgram then print(err) os.exit() end
print(dgram)
end
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