43 end

    44 

    45 local function route_stanza(stanza)

    46 	if not stanza.attr.to then

    47 		-- Has no 'to' attribute, handle internally

    48 	end

    49 	local node, host, resource = jid.split(stanza.attr.to);

    50 	if host and hosts[host] and hosts[host].type == "local" then

    51 			-- Is a local host, handle internally

    52 			

    53 	else

    54 		-- Is not for us or a local user, route accordingly

    55 	end

    56 end

    57 

    58 local function send_to(session, to, stanza)

    59 	local node, host, resource = jid.split(to);

    60 	if not hosts[host] then

    61 		-- s2s

    62 	elseif hosts[host].type == "local" then

    63 		print("   ...is to a local user")

    64 		local destuser = hosts[host].sessions[node];

    65 		if destuser and destuser.sessions then

    66 			if not destuser.sessions[resource] then

    67 				local best_session;

    68 				for resource, session in pairs(destuser.sessions) do

    69 					if not best_session then best_session = session;

    70 					elseif session.priority >= best_session.priority and session.priority >= 0 then

    71 						best_session = session;

    72 					end

    73 				end

    74 				if not best_session then

    75 					offlinemessage.new(node, host, stanza);

    76 				else

    77 					print("resource '"..resource.."' was not online, have chosen to send to '"..best_session.username.."@"..best_session.host.."/"..best_session.resource.."'");

    78 					resource = best_session.resource;

    79 				end

    80 			end

    81 			if destuser.sessions[resource] == session then

    82 				log("warn", "core", "Attempt to send stanza to self, dropping...");

    83 			else

    84 				print("...sending...", tostring(stanza));

    85 				--destuser.sessions[resource].conn.write(tostring(data));

    86 				print("   to conn ", destuser.sessions[resource].conn);

    87 				destuser.sessions[resource].conn.write(tostring(stanza));

    88 				print("...sent")

    89 			end

    90 		elseif stanza.name == "message" then

    91 			print("   ...will be stored offline");

    92 			offlinemessage.new(node, host, stanza);

    93 		elseif stanza.name == "iq" then

    94 			print("   ...is an iq");

    95 			session.send(st.reply(stanza)

    96 				:tag("error", { type = "cancel" })

    97 					:tag("service-unavailable", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" }));

    98 		end

    99 		print("   ...done routing");

   100 	end