Mercurial > prosody-modules
view mod_statistics_statsman/mod_statistics_statsman.lua @ 4047:36b6e3e3f9e2
mod_conversejs: Disable automatic BOSH/WS endpoint discovery
Converse.js 7.0 will enable this by default, but when using this module
the BOSH and WebSocket endpoints are provided in the generated HTML, so
automatic discovery is not needed and unlikely to work without an
additional module.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 18 Jun 2020 15:24:34 +0200 |
parents | 78885053cd80 |
children | bac3dae031ee |
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module:set_global(); local statsman = require "core.statsmanager"; local time_now = require "util.time".now; local filters = require "util.filters"; local serialize = require "util.serialization".serialize; local statistics_interval = module:context("*"):get_option_number("statistics_interval", 60); if module:context("*"):get_option("statistics", "internal") ~= "internal" then module:log("error", "Not using internal statistics, can't do anyting"); return; end local sessions = {}; local name_map = { ["start_time"] = "up_since"; ["cpu.percent:amount"] = "cpu"; ["cpu.clock:amount"] = "cpu_total"; ["memory.allocated_mmap:amount"] = "memory_allocated_mmap"; ["memory.allocated:amount"] = "memory_allocated"; ["memory.lua:amount"] = "memory_lua"; ["memory.returnable:amount"] = "memory_returnable"; ["memory.rss:amount"] = "memory_rss"; ["memory.total:amount"] = "memory_total"; ["memory.unused:amount"] = "memory_unused"; ["memory.used:amount"] = "memory_used"; ["/*/mod_c2s/connections:amount"] = "total_c2s"; ["/*/mod_s2s/connections:amount"] = "total_s2s"; }; local function push_stat(conn, name, value) local value_str = serialize(value); name = name_map[name] or name; return conn:write((("STAT %q (%s)\n"):format(name, value_str):gsub("\\\n", "\\n"))); end local function push_stat_to_all(name, value) for conn in pairs(sessions) do push_stat(conn, name, value); end end local session_stats_tpl = ([[{ message_in = %d, message_out = %d; presence_in = %d, presence_out = %d; iq_in = %d, iq_out = %d; bytes_in = %d, bytes_out = %d; }]]):gsub("%s", ""); local jid_fields = { c2s = "full_jid"; s2sin = "from_host"; s2sout = "to_host"; component = "host"; }; local function push_session_to_all(session, stats) local id = tostring(session):match("[a-f0-9]+$"); -- FIXME: Better id? :/ local stanzas_in, stanzas_out = stats.stanzas_in, stats.stanzas_out; local s = (session_stats_tpl):format( stanzas_in.message, stanzas_out.message, stanzas_in.presence, stanzas_out.presence, stanzas_in.iq, stanzas_out.iq, stats.bytes_in, stats.bytes_out); local jid = session[jid_fields[session.type]] or ""; for conn in pairs(sessions) do conn:write(("SESS %q %q %s\n"):format(id, jid, s)); end end local active_sessions = {}; -- Network listener local listener = {}; function listener.onconnect(conn) sessions[conn] = true; push_stat(conn, "version", prosody.version); push_stat(conn, "start_time", prosody.start_time); push_stat(conn, "statistics_interval", statistics_interval); push_stat(conn, "time", time_now()); local stats = statsman.get_stats(); for name, value in pairs(stats) do push_stat(conn, name, value); end conn:write("\n"); -- Signal end of first batch (for non-streaming clients) end function listener.onincoming(conn, data) -- luacheck: ignore 212 -- Discarded end function listener.ondisconnect(conn) sessions[conn] = nil; end function listener.onreadtimeout() return true; end local add_statistics_filter; -- forward decl if prosody and prosody.arg then -- ensures we aren't in prosodyctl setmetatable(active_sessions, { __index = function ( t, k ) local v = { bytes_in = 0, bytes_out = 0; stanzas_in = { message = 0, presence = 0, iq = 0; }; stanzas_out = { message = 0, presence = 0, iq = 0; }; } rawset(t, k, v); return v; end }); local function handle_stanza_in(stanza, session) local s = active_sessions[session].stanzas_in; local n = s[stanza.name]; if n then s[stanza.name] = n + 1; end return stanza; end local function handle_stanza_out(stanza, session) local s = active_sessions[session].stanzas_out; local n = s[stanza.name]; if n then s[stanza.name] = n + 1; end return stanza; end local function handle_bytes_in(bytes, session) local s = active_sessions[session]; s.bytes_in = s.bytes_in + #bytes; return bytes; end local function handle_bytes_out(bytes, session) local s = active_sessions[session]; s.bytes_out = s.bytes_out + #bytes; return bytes; end function add_statistics_filter(session) filters.add_filter(session, "stanzas/in", handle_stanza_in); filters.add_filter(session, "stanzas/out", handle_stanza_out); filters.add_filter(session, "bytes/in", handle_bytes_in); filters.add_filter(session, "bytes/out", handle_bytes_out); end end function module.load() if not(prosody and prosody.arg) then return; end filters.add_filter_hook(add_statistics_filter); module:add_timer(1, function () for session, session_stats in pairs(active_sessions) do active_sessions[session] = nil; push_session_to_all(session, session_stats); end return 1; end); module:hook("stats-updated", function (event) local stats = event.changed_stats; push_stat_to_all("time", time_now()); for name, value in pairs(stats) do push_stat_to_all(name, value); end end); module:hook("server-stopping", function () push_stat_to_all("stop_time", time_now()); end); end function module.unload() filters.remove_filter_hook(add_statistics_filter); end if prosody and prosody.arg then module:provides("net", { default_port = 5782; listener = listener; private = true; }); end