# HG changeset patch
# User Waqas Hussain <waqas20@gmail.com>
# Date 1243758680 -18000
# Node ID 6bd11bca972584e134452719851c75851498928c
# Parent  c199be608546266ca20c40f9a38f36ca1117746a
modulemanager: Keep track of event handlers added by module:hook, and remove them on module unload

diff -r c199be608546 -r 6bd11bca9725 core/modulemanager.lua
--- a/core/modulemanager.lua	Sun May 31 02:20:30 2009 +0500
+++ b/core/modulemanager.lua	Sun May 31 13:31:20 2009 +0500
@@ -49,6 +49,7 @@
 local features_table = multitable_new();
 local handler_table = multitable_new();
 local hooked = multitable_new();
+local hooks = multitable_new();
 local event_hooks = multitable_new();
 
 local NULL = {};
@@ -165,6 +166,13 @@
 		end
 	end
 	event_hooks:remove(host, name);
+	-- unhook event handlers hooked by module:hook
+	for event, handlers in pairs(hooks:get(host, name) or NULL) do
+		for handler in pairs(handlers or NULL) do
+			(hosts[host] or prosody).events.remove_handler(event, handler);
+		end
+	end
+	hooks:remove(host, name);
 	return true;
 end
 
@@ -356,6 +364,7 @@
 end
 
 function api:hook(event, handler)
+	hooks:set(self.host, self.name, event, handler, true);
 	(hosts[self.host] or prosody).events.add_handler(event, handler);
 end