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doc/example_pubsub.lua

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doc/example_pubsub.lua @ 332:6ecf44918156

plugins.pubsub: Explicitly subscribe with our current full jid as default
author Kim Alvefur <zash@zash.se>
date Sun, 10 Feb 2013 18:14:31 +0100
parent 270:6a9a99aa062b
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44a6da432e7e doc/example_pubsub.lua: Example plugins.pubsub usage
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1 -- Change these:
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2 local jid, password = "user@example.com", "secret";
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3
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4 -- This line squishes verse each time you run,
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5 -- handy if you're hacking on Verse itself
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6 --os.execute("squish --minify-level=none");
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7
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8 require "verse".init("client");
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10 c = verse.new();
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11 c:add_plugin("pubsub");
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12
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13 -- Add some hooks for debugging
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14 c:hook("opened", function () print("Stream opened!") end);
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15 c:hook("closed", function () print("Stream closed!") end);
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16 c:hook("stanza", function (stanza) print("Stanza:", stanza) end);
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17
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18 -- This one prints all received data
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19 c:hook("incoming-raw", print, 1000);
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21 -- Print a message after authentication
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22 c:hook("authentication-success", function () print("Logged in!"); end);
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23 c:hook("authentication-failure", function (err) print("Failed to log in! Error: "..tostring(err.condition)); end);
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25 -- Print a message and exit when disconnected
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26 c:hook("disconnected", function () print("Disconnected!"); os.exit(); end);
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28 -- Now, actually start the connection:
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29 c:connect_client(jid, password);
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31 -- Catch the "ready" event to know when the stream is ready to use
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32 c:hook("ready", function ()
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33 print("Stream ready!");
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35 -- Create a reference to a node
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36 local node = c.pubsub("pubsub.shakespeare.lit", "princely_musings");
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37
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38 -- Callback for when something is published to the node
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39 node:hook(function(event)
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40 print(event.item)
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41 end);
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42 node:subscribe() -- so we actually get the notifications that above callback would get
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43
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44 node:publish(
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45 nil, -- no id, so the service should give us one
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46 nil, -- no options (not supported at the time of this writing)
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47 verse.stanza("something", { xmlns = "http://example.com/pubsub-thingy" }) -- the actual payload, would turn up in event.item above
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48 :tag("foobar"),
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49 function(success) -- callback
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50 print("publish", success and "success" or "failure")
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51 end)
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52 end);
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54 print("Starting loop...")
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55 verse.loop()
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