From 5b40b117152aaf7f5a55e2dab65a5cdf98910726 Mon Sep 17 00:00:00 2001 From: Arc Riley Date: Fri, 3 May 2019 04:10:31 -0700 Subject: mod_bosh: Added metrics for active/inactive sessions, new BOSH sessions, BOSH errors, and timeouts (finishes #998) --- plugins/mod_bosh.lua | 30 ++++++++++++++++++++++++++++-- 1 file changed, 28 insertions(+), 2 deletions(-) diff --git a/plugins/mod_bosh.lua b/plugins/mod_bosh.lua index 082ed961..d4e980f2 100644 --- a/plugins/mod_bosh.lua +++ b/plugins/mod_bosh.lua @@ -55,6 +55,27 @@ local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat; -- All sessions, and sessions that have no requests open local sessions = module:shared("sessions"); +local measure_active = module:measure("active_sessions", "amount"); +local measure_inactive = module:measure("inactive_sessions", "amount"); +local report_bad_host = module:measure("bad_host", "rate"); +local report_bad_sid = module:measure("bad_sid", "rate"); +local report_new_sid = module:measure("new_sid", "rate"); +local report_timeout = module:measure("timeout", "rate"); + +module:hook("stats-update", function () + local active = 0; + local inactive = 0; + for _, session in pairs(sessions) do + if #session.requests > 0 then + active = active + 1; + else + inactive = inactive + 1; + end + end + measure_active(active); + measure_inactive(inactive); +end); + -- Used to respond to idle sessions (those with waiting requests) function on_destroy_request(request) log("debug", "Request destroyed: %s", tostring(request)); @@ -74,7 +95,7 @@ function on_destroy_request(request) if session.inactive_timer then session.inactive_timer:stop(); end - session.inactive_timer = module:add_timer(max_inactive, check_inactive, session, request.context, + session.inactive_timer = module:add_timer(max_inactive, session_timeout, session, request.context, "BOSH client silent for over "..max_inactive.." seconds"); (session.log or log)("debug", "BOSH session marked as inactive (for %ds)", max_inactive); end @@ -85,8 +106,9 @@ function on_destroy_request(request) end end -function check_inactive(now, session, context, reason) -- luacheck: ignore 212/now +function session_timeout(now, session, context, reason) -- luacheck: ignore 212/now if not session.destroyed then + report_timeout(); sessions[context.sid] = nil; sm_destroy_session(session, reason); end @@ -186,6 +208,7 @@ function handle_POST(event) return; end module:log("warn", "Unable to associate request with a session (incomplete request?)"); + report_bad_sid(); local close_reply = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate", ["xmlns:stream"] = xmlns_streams, condition = "item-not-found" }); return tostring(close_reply) .. "\n"; @@ -253,6 +276,7 @@ function stream_callbacks.streamopened(context, attr) local wait = tonumber(attr.wait); if not to_host then log("debug", "BOSH client tried to connect to invalid host: %s", tostring(attr.to)); + report_bad_host(); local close_reply = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate", ["xmlns:stream"] = xmlns_streams, condition = "improper-addressing" }); response:send(tostring(close_reply)); @@ -290,6 +314,7 @@ function stream_callbacks.streamopened(context, attr) session.log("debug", "BOSH session created for request from %s", session.ip); log("info", "New BOSH session, assigned it sid '%s'", sid); + report_new_sid(); module:fire_event("bosh-session", { session = session, request = request }); @@ -344,6 +369,7 @@ function stream_callbacks.streamopened(context, attr) if not session then -- Unknown sid log("info", "Client tried to use sid '%s' which we don't know about", sid); + report_bad_sid(); response:send(tostring(st.stanza("body", { xmlns = xmlns_bosh, type = "terminate", condition = "item-not-found" }))); context.notopen = nil; return; -- cgit v1.2.3