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mod_statistics/stats.lib.lua @ 5383:df11a2cbc7b7
mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Likely to become mandatory in OAuth 2.1.
Backwards compatible since the default 'plain' verifier would compare
nil with nil if the relevant parameters are left out.
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 29 Apr 2023 13:09:46 +0200 |
parent | 3217:063abaab666f |
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local it = require "util.iterators"; local log = require "util.logger".init("stats"); local has_pposix, pposix = pcall(require, "util.pposix"); local human; do local tostring = tostring; local s_format = string.format; local m_floor = math.floor; local m_max = math.max; local prefixes = "kMGTPEZY"; local multiplier = 1024; function human(num) num = tonumber(num) or 0; local m = 0; while num >= multiplier and m < #prefixes do num = num / multiplier; m = m + 1; end return s_format("%0."..m_max(0,3-#tostring(m_floor(num))).."f%sB", num, m > 0 and (prefixes:sub(m,m) .. "i") or ""); end end local last_cpu_wall, last_cpu_clock; local get_time = require "socket".gettime; local active_sessions, active_jids = {}, {}; local c2s_sessions, s2s_sessions; if prosody and prosody.arg then c2s_sessions = module:shared("/*/c2s/sessions"); s2s_sessions = module:shared("/*/s2s/sessions"); end local stats = { total_users = { get = function () return it.count(it.keys(bare_sessions)); end }; total_c2s = { get = function () return it.count(it.keys(full_sessions)); end }; total_s2sin = { get = function () local i = 0; for conn,sess in next,s2s_sessions do if sess.direction == "incoming" then i = i + 1 end end return i end }; total_s2sout = { get = function () local i = 0; for conn,sess in next,s2s_sessions do if sess.direction == "outgoing" then i = i + 1 end end return i end }; total_s2s = { get = function () return it.count(it.keys(s2s_sessions)); end }; total_component = { get = function () local count = 0; for host, host_session in pairs(hosts) do if host_session.type == "component" then local c = host_session.modules.component; if c and c.connected then -- 0.9 only count = count + 1; end end end return count; end }; up_since = { get = function () return prosody.start_time; end; tostring = function (up_since) return tostring(os.time()-up_since).."s"; end; }; memory_lua = { get = function () return math.ceil(collectgarbage("count")*1024); end; tostring = human; }; time = { tostring = function () return os.date("%T"); end; }; cpu = { get = function () local new_wall, new_clock = get_time(), os.clock(); local pc = 0; if last_cpu_wall then pc = 100/((new_wall-last_cpu_wall)/(new_clock-last_cpu_clock)); end last_cpu_wall, last_cpu_clock = new_wall, new_clock; return math.ceil(pc); end; tostring = "%s%%"; }; }; local memory_update_interval = 60; if prosody and prosody.arg then memory_update_interval = module:get_option_number("statistics_meminfo_interval", 60); end if has_pposix and pposix.meminfo then local cached_meminfo, last_cache_update; local function meminfo() if not cached_meminfo or (os.time() - last_cache_update) > memory_update_interval then cached_meminfo = pposix.meminfo(); last_cache_update = os.time(); end return cached_meminfo; end stats.memory_allocated = { get = function () return math.ceil(meminfo().allocated); end; tostring = human; } stats.memory_used = { get = function () return math.ceil(meminfo().used); end; tostring = human; } stats.memory_unused = { get = function () return math.ceil(meminfo().unused); end; tostring = human; } stats.memory_returnable = { get = function () return math.ceil(meminfo().returnable); end; tostring = human; } 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 filters = require "util.filters"; 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 return { stats = stats; active_sessions = active_sessions; filter_hook = add_statistics_filter; };