# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1451907859 0
# Node ID 59655d6c45b3659a7086dba43148493a1113a0a6
# Parent  4e46ef3035bafbf5f4547a0dff48005ba5e053ed
client.lua: Add /watchers endpoint to get the current number of people watching the feed

diff -r 4e46ef3035ba -r 59655d6c45b3 clients.lua
--- a/clients.lua	Mon Jan 04 11:35:43 2016 +0000
+++ b/clients.lua	Mon Jan 04 11:44:19 2016 +0000
@@ -107,6 +107,18 @@
 	return "OK";
 end
 
+function handle_watchers(event)
+	local active, total = 0, 0;
+	for client in pairs(clients) do
+		total = total + 1;
+		if active_clients[client] then
+			active = active + 1;
+		end
+	end
+	mark_active(event.request);
+	return tostring(total);
+end
+
 events.add_handler("image-changed", function (event)
 	log("debug", "New image");
 	local chunk_data = table.concat({
@@ -134,4 +146,5 @@
 http_server.set_default_host("localhost");
 http_server.add_handler("GET localhost/*", handle_request);
 http_server.add_handler("GET localhost/active", handle_active);
+http_server.add_handler("GET localhost/watchers", handle_watchers);
 http_server.listen_on(8006);