19 lines
743 B
Lua
19 lines
743 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("loop:", c:getoption("ip-multicast-loop"))
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--print(assert(c:setoption("ip-multicast-loop", false)))
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--print("loop:", c:getoption("ip-multicast-loop"))
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--print("if:", c:getoption("ip-multicast-if"))
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--print(assert(c:setoption("ip-multicast-if", "127.0.0.1")))
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--print("if:", c:getoption("ip-multicast-if"))
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--print(assert(c:setoption("ip-multicast-if", "10.0.1.4")))
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--print("if:", c:getoption("ip-multicast-if"))
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print(assert(c:setoption("ip-add-membership", {multiaddr = group, interface = "*"})))
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while 1 do
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print(c:receivefrom())
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end
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