prosody: plugins/mod_posix.lua@cd0d75de8345 (annotated)

728 fa45dfb27ee5 mod_posix: Check version of pposix Matthew Wild <mwild1@gmail.com> parents: 723 diff changeset	1
734 cfb4ec5cba5e Fix for pposix version detection Matthew Wild <mwild1@gmail.com> parents: 728 diff changeset	2	local want_pposix_version = "0.3.0";
587 43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	3
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	4	local pposix = assert(require "util.pposix");
735 d247d061409a mod_posix: logging fix Matthew Wild <mwild1@gmail.com> parents: 734 diff changeset	5	if pposix._VERSION ~= want_pposix_version then module:log("warn", "Unknown version (%s) of binary pposix module, expected %s", tostring(pposix._VERSION), want_pposix_version); end
587 43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	6
991 cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	7	local signal = select(2, pcall(require, "util.signal"));
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	8	if type(signal) == "string" then
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	9	log("warn", "Couldn't load signal library, won't respond to SIGTERM");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	10	end
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	11
587 43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	12	local config_get = require "core.configmanager".get;
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	13	local logger_set = require "util.logger".setwriter;
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	14
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	15	module.host = "*"; -- we're a global module
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	16
991 cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	17	local function write_pidfile()
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	18	local pidfile = config.get("*", "core", "pidfile");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	19	if pidfile then
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	20	local pf, err = io.open(pidfile, "w+");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	21	if not pf then
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	22	log("error", "Couldn't write pidfile; %s", err);
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	23	else
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	24	pf:write(tostring(pposix.getpid()));
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	25	pf:close();
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	26	end
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	27	end
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	28	end
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	29
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	30	local logfilename = config_get("*", "core", "log");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	31	if logfilename == "syslog" then
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	32	pposix.syslog_open("prosody");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	33	pposix.syslog_setminlevel(config.get("*", "core", "minimum_log_level") or "info");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	34	local syslog, format = pposix.syslog_log, string.format;
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	35	logwriter = function (name, level, message, ...)
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	36	if ... then
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	37	syslog(level, format(message, ...));
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	38	else
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	39	syslog(level, message);
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	40	end
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	41	end;
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	42	elseif logfilename then
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	43	local logfile = io.open(logfilename, "a+");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	44	if logfile then
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	45	local write, format, flush = logfile.write, string.format, logfile.flush;
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	46	logwriter = function (name, level, message, ...)
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	47	if ... then
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	48	write(logfile, name, "\t", level, "\t", format(message, ...), "\n");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	49	else
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	50	write(logfile, name, "\t" , level, "\t", message, "\n");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	51	end
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	52	flush(logfile);
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	53	end;
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	54	end
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	55	else
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	56	log("debug", "No logging specified, will continue with default");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	57	end
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	58
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	59	if logwriter then
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	60	local ok, ret = logger_set(logwriter);
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	61	if not ok then
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	62	log("error", "Couldn't set new log output: %s", ret);
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	63	end
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	64	end
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	65
587 43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	66	if not config_get("*", "core", "no_daemonize") then
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	67	local function daemonize_server()
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	68	local logwriter;
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	69
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	70
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	71	local ok, ret = pposix.daemonize();
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	72	if not ok then
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	73	log("error", "Failed to daemonize: %s", ret);
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	74	elseif ret and ret > 0 then
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	75	os.exit(0);
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	76	else
723 c1e7d280c174 mod_posix/pposix: Fix reporting of incorrect PID on daemonization. Log correct PID, and support writing a pidfile (pidfile = '/path/to/prosody.pid' in config). Added getpid() to pposix and improved function names. Matthew Wild <mwild1@gmail.com> parents: 722 diff changeset	77	log("info", "Successfully daemonized to PID %d", pposix.getpid());
991 cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	78	write_pidfile();
587 43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	79	end
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	80	end
43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	81	module:add_event_hook("server-starting", daemonize_server);
991 cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	82	else
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	83	write_pidfile();
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	84	-- Not going to daemonize, but let's write the pidfile anyway
587 43f509a1519a Add mod_posix, fixes #5 Matthew Wild <mwild1@gmail.com> parents: diff changeset	85	end
991 cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	86
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	87	-- Set signal handler
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	88	if signal.signal then
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	89	signal.signal("SIGTERM", function ()
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	90	log("warn", "Received SIGTERM...");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	91	unlock_globals();
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	92	if prosody_shutdown then
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	93	prosody_shutdown("Received SIGTERM");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	94	else
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	95	log("warn", "...no prosody_shutdown(), ignoring.");
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	96	end
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	97	lock_globals();
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	98	end);
cd0d75de8345 mod_posix: Allow logging and pidfile options to take effect without needing to daemonize. Add the ability to catch SIGTERM. Matthew Wild <mwild1@gmail.com> parents: 735 diff changeset	99	end

author	Matthew Wild <mwild1@gmail.com>
	Sun, 12 Apr 2009 02:57:52 +0100
changeset 991	cd0d75de8345
parent 735	d247d061409a
child 1032	409f22d0430f
permissions	-rw-r--r--