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mod_statistics/prosodytop.lib.lua @ 4813:0a257d1402c3
mod_muc_rtbl: Optimize case with zero hashes
On the assumption that during quiet times between torrents of spam,
the hash set would be empty. There would be no point in doing the
operations and hashes to check for a match in that case.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 06 Dec 2021 18:19:19 +0100 |
parent | 3428:1962c94e2203 |
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local curses = require "curses"; local server = require "net.server_select"; local timer = require "util.timer"; local envload = require "util.envload".envload; assert(curses.timeout, "Incorrect version of curses library. Try 'sudo luarocks install luaposix'"); local top = module:require "top"; function main() local stdscr = curses.stdscr() -- it's a userdatum --stdscr:clear(); local view = top.new({ stdscr = stdscr; prosody = { up_since = os.time() }; conn_list = {}; }); timer.add_task(0.01, function () local ch = stdscr:getch(); if ch then if stdscr:getch() == 410 then view:resized(); else curses.ungetch(ch); end end return 0.2; end); timer.add_task(0, function () view:draw(); return 1; end); --[[ posix.signal(28, function () table.insert(view.conn_list, { jid = "WINCH" }); --view:draw(); end); ]] -- Fake socket object around stdin local stdin = { getfd = function () return 0; end; dirty = function (self) return false; end; settimeout = function () end; send = function (_, d) return #d, 0; end; close = function () end; receive = function (_, patt) local ch = stdscr:getch(); if ch >= 0 and ch <=255 then return string.char(ch); elseif ch == 410 then view:resized(); else table.insert(view.conn_list, { jid = tostring(ch) }); --FIXME end return ""; end }; local function on_incoming(stdin, text) -- TODO: Handle keypresses if text:lower() == "q" then os.exit(); end end stdin = server.wrapclient(stdin, "stdin", 0, { onincoming = on_incoming, ondisconnect = function () end }, "*a"); local function handle_line(line) local e = { STAT = function (name) return function (value) view:update_stat(name, value); end end; SESS = function (id) return function (jid) return function (stats) view:update_session(id, jid, stats); end end end; }; local chunk = assert(envload(line, "=prosodytop", e)); chunk(); end local stats_listener = {}; function stats_listener.onconnect(conn) --stdscr:mvaddstr(6, 0, "CONNECTED"); end local partial = ""; function stats_listener.onincoming(conn, data) --print("DATA", data) data = partial..data; local lastpos = 1; for line, pos in data:gmatch("([^\n]+)\n()") do lastpos = pos; handle_line(line); end partial = data:sub(lastpos); end function stats_listener.ondisconnect(conn, err) stdscr:mvaddstr(6, 0, "DISCONNECTED: "..(err or "unknown")); end local conn = require "socket".tcp(); assert(conn:connect("localhost", 5782)); handler = server.wrapclient(conn, "localhost", 5782, stats_listener, "*a"); end return { run = function () --os.setlocale("UTF-8", "all") curses.initscr() curses.cbreak() curses.echo(false) -- not noecho ! curses.nl(false) -- not nonl ! curses.timeout(0); local ok, err = pcall(main); --while true do stdscr:getch() end --stdscr:endwin() if ok then ok, err = xpcall(server.loop, debug.traceback); end curses.endwin(); --stdscr:refresh(); if not ok then print(err); end print"DONE" end; };