38 lines
1.1 KiB
Lua
38 lines
1.1 KiB
Lua
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m = mqtt.Client(hostname, 120)
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m:lwt("/lwt", "offline", 0, 0)
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m:on("connect", function(client) print ("connected") end)
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m:on("offline", function(client) print ("offline") end)
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m:on("message", function(client, topic, data)
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print("MQTT: msg recieved: "..topic)
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if data ~= nil then
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print(data)
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end
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end)
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-- for TLS: m:connect("192.168.11.118", secure-port, 1)
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m:connect("departmentofinter.net", 1883, 0, function(client)
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print("connected")
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-- Calling subscribe/publish only makes sense once the connection
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-- was successfully established. You can do that either here in the
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-- 'connect' callback or you need to otherwise make sure the
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-- connection was established (e.g. tracking connection status or in
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-- m:on("connect", function)).
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-- subscribe topic with qos = 0
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client:subscribe("/topic", 0, function(client) print("subscribe success") end)
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-- publish a message with data = hello, QoS = 0, retain = 0
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client:publish("/topic", "hello", 0, 0, function(client) print("sent") end)
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end,
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function(client, reason)
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print("failed reason: " .. reason)
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end)
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m:close();
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-- you can call m:connect again
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