luasocket/samples/echoclnt.lua

25 lines
711 B
Lua
Raw Normal View History

-----------------------------------------------------------------------------
-- UDP sample: echo protocol client
-- LuaSocket sample files
-- Author: Diego Nehab
-- RCS ID: $Id$
-----------------------------------------------------------------------------
2004-06-04 17:15:45 +02:00
local socket = require("socket")
2001-01-25 22:59:39 +01:00
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)
2005-01-02 23:44:00 +01:00
udp = assert(socket.udp())
assert(udp:setpeername(host, port))
print("Using remote host '" ..host.. "' and port " .. port .. "...")
2001-01-25 22:59:39 +01:00
while 1 do
2003-03-28 22:08:50 +01:00
line = io.read()
2005-01-02 23:44:00 +01:00
if not line or line == "" then os.exit() end
assert(udp:send(line))
dgram = assert(udp:receive())
2001-01-25 22:59:39 +01:00
print(dgram)
end