mod_csi: Add metrics, covering changes and totals
Motivation: Investigating clients that seem to forget to set CSI.
Also, of course, MORE GRAPHS!
local st = require "prosody.util.stanza";
local xmlns_csi = "urn:xmpp:csi:0";
local csi_feature = st.stanza("csi", { xmlns = xmlns_csi });
local sum = module:metric("gauge", "sessions_per_state", "sessions", "CSI state per session", { "csi_state" })
local change = module:metric("counter", "changes", "events", "CSI state changes", {"csi_state"});
module:hook_global("stats-update", function ()
for _, session in pairs(prosody.full_sessions) do
if session.host == module.host then
sum:with_labels(session.state or "none"):add(1);
end
end
end);
local csi_handler_available = nil;
module:hook("stream-features", function (event)
if event.origin.username and csi_handler_available then
event.features:add_child(csi_feature);
end
end);
function refire_event(name)
return function (event)
if event.origin.username then
event.origin.state = event.stanza.name;
change:with_labels(event.stanza.name):add(1);
module:fire_event(name, event);
return true;
end
end;
end
module:hook("stanza/"..xmlns_csi..":active", refire_event("csi-client-active"));
module:hook("stanza/"..xmlns_csi..":inactive", refire_event("csi-client-inactive"));
function module.load()
if prosody.hosts[module.host].events._handlers["csi-client-active"] then
csi_handler_available = true;
module:set_status("core", "CSI handler module loaded");
else
csi_handler_available = false;
module:set_status("warn", "No CSI handler module loaded");
end
end
module:hook("module-loaded", module.load);
module:hook("module-unloaded", module.load);