Mercurial > verse / changeset

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/example_pubsub.lua	Sun Nov 06 21:09:07 2011 +0100
@@ -0,0 +1,57 @@
+-- Change these:
+local jid, password = "user@example.com", "secret";
+
+-- This line squishes verse each time you run,
+-- handy if you're hacking on Verse itself
+--os.execute("squish --minify-level=none");
+
+require "verse" -- Verse main library
+require "verse.client" -- XMPP client library
+
+c = verse.new();
+c:add_plugin("pubsub");
+
+-- Add some hooks for debugging
+c:hook("opened", function () print("Stream opened!") end);
+c:hook("closed", function () print("Stream closed!") end);
+c:hook("stanza", function (stanza) print("Stanza:", stanza) end);
+
+-- This one prints all received data
+c:hook("incoming-raw", print, 1000);
+
+-- Print a message after authentication
+c:hook("authentication-success", function () print("Logged in!"); end);
+c:hook("authentication-failure", function (err) print("Failed to log in! Error: "..tostring(err.condition)); end);
+
+-- Print a message and exit when disconnected
+c:hook("disconnected", function () print("Disconnected!"); os.exit(); end);
+
+-- Now, actually start the connection:
+c:connect_client(jid, password);
+
+-- Catch the "ready" event to know when the stream is ready to use
+c:hook("ready", function ()
+	print("Stream ready!");
+
+	-- Create a reference to a node
+	local node = c:pubsub("pubsub.shakespeare.lit", "princely_musings");
+
+	-- Callback for when something is published to the node
+	node:hook(function(event)
+		print(event.item)
+	end);
+	node:subscribe() -- so we actually get the notifications that above callback would get
+
+	node:publish(
+			nil, -- no id, so the service should give us one
+			nil, -- no options (not supported at the time of this writing)
+			verse.stanza("something", { xmlns = "http://example.com/pubsub-thingy" }) -- the actual payload, would turn up in event.item above
+				:tag("foobar"),
+			function(success) -- callback
+				print("publish", success and "success" or "failure")
+			end)
+end);
+
+print("Starting loop...")
+verse.loop()
+