prosody
409f22d0430f
plugins/mod_posix.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

plugins/mod_posix.lua @ 1032:409f22d0430f

mod_posix: Remove pidfile on exit
author Matthew Wild <mwild1@gmail.com>
date Wed, 22 Apr 2009 19:59:58 +0100
parent 991:cd0d75de8345
child 1033:4a9f0d482028
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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
1032
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
17 local pidfile_written;
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
18
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
19 local function remove_pidfile()
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
20 if pidfile_written then
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
21 os.remove(pidfile);
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
22 pidfile_written = nil;
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
23 end
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
24 end
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
25
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
26 local function write_pidfile()
1032
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
27 if pidfile_written then
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
28 remove_pidfile();
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 pf:close();
1032
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
38 pidfile_written = pidfile;
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
39 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
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
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 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
44 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
45 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
46 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
47 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
48 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
49 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
50 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
51 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
52 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
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 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
56 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
57 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
58 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
59 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
60 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
61 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
62 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
63 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
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 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
66 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
67 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
68 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
69 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
70 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
71
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
72 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
73 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
74 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
75 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
76 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
77 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
78
587
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79 if not config_get("*", "core", "no_daemonize") then
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
80 local function daemonize_server()
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
81 local logwriter;
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
82
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
83
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
84 local ok, ret = pposix.daemonize();
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
85 if not ok then
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
86 log("error", "Failed to daemonize: %s", ret);
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
87 elseif ret and ret > 0 then
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
88 os.exit(0);
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
89 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
90 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
91 write_pidfile();
587
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
92 end
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
93 end
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
94 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
95 else
1032
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
96 -- Not going to daemonize, so write the pid of this process
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
97 write_pidfile();
587
43f509a1519a Add mod_posix, fixes #5
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
98 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
99
1032
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
100 module:add_event_hook("server-stopped", remove_pidfile);
409f22d0430f mod_posix: Remove pidfile on exit
Matthew Wild <mwild1@gmail.com>
parents: 991
diff changeset
101
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
102 -- 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
103 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
104 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
105 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
106 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
107 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
108 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
109 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
110 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
111 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
112 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
113 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
114 end