21 lines
692 B
Lua
21 lines
692 B
Lua
local socket = require"socket"
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local group = "225.0.0.37"
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local port = 12345
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local c = assert(socket.udp())
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--print(assert(c:setoption("reuseport", true)))
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--print(assert(c:setsockname("*", port)))
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--print(assert(c:setoption("ip-multicast-loop", false)))
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--print(assert(c:setoption("ip-multicast-ttl", 4)))
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--print(assert(c:setoption("ip-multicast-if", "10.0.1.3")))
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--print(assert(c:setoption("ip-add-membership", {multiaddr = group, interface = "*"})))
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local i = 0
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while 1 do
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local message = string.format("hello all %d!", i)
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assert(c:sendto(message, group, port))
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print("sent " .. message)
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socket.sleep(1)
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c:settimeout(0.5)
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print(c:receivefrom())
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i = i + 1
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end
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