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plugins/mod_posix.lua @ 1006:9166d7a8c3c0
core.s2smanager: Logging improvements
author | Matthew Wild <mwild1@gmail.com> |
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date | Mon, 20 Apr 2009 22:13:09 +0100 |
parent | 991:cd0d75de8345 |
child | 1032:409f22d0430f |
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local want_pposix_version = "0.3.0"; local pposix = assert(require "util.pposix"); 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 local signal = select(2, pcall(require, "util.signal")); if type(signal) == "string" then log("warn", "Couldn't load signal library, won't respond to SIGTERM"); end local config_get = require "core.configmanager".get; local logger_set = require "util.logger".setwriter; module.host = "*"; -- we're a global module local function write_pidfile() local pidfile = config.get("*", "core", "pidfile"); if pidfile then local pf, err = io.open(pidfile, "w+"); if not pf then log("error", "Couldn't write pidfile; %s", err); else pf:write(tostring(pposix.getpid())); pf:close(); end end end local logfilename = config_get("*", "core", "log"); if logfilename == "syslog" then pposix.syslog_open("prosody"); pposix.syslog_setminlevel(config.get("*", "core", "minimum_log_level") or "info"); local syslog, format = pposix.syslog_log, string.format; logwriter = function (name, level, message, ...) if ... then syslog(level, format(message, ...)); else syslog(level, message); end end; elseif logfilename then local logfile = io.open(logfilename, "a+"); if logfile then local write, format, flush = logfile.write, string.format, logfile.flush; logwriter = function (name, level, message, ...) if ... then write(logfile, name, "\t", level, "\t", format(message, ...), "\n"); else write(logfile, name, "\t" , level, "\t", message, "\n"); end flush(logfile); end; end else log("debug", "No logging specified, will continue with default"); end if logwriter then local ok, ret = logger_set(logwriter); if not ok then log("error", "Couldn't set new log output: %s", ret); end end if not config_get("*", "core", "no_daemonize") then local function daemonize_server() local logwriter; local ok, ret = pposix.daemonize(); if not ok then log("error", "Failed to daemonize: %s", ret); elseif ret and ret > 0 then os.exit(0); else log("info", "Successfully daemonized to PID %d", pposix.getpid()); write_pidfile(); end end module:add_event_hook("server-starting", daemonize_server); else write_pidfile(); -- Not going to daemonize, but let's write the pidfile anyway end -- Set signal handler if signal.signal then signal.signal("SIGTERM", function () log("warn", "Received SIGTERM..."); unlock_globals(); if prosody_shutdown then prosody_shutdown("Received SIGTERM"); else log("warn", "...no prosody_shutdown(), ignoring."); end lock_globals(); end); end