prosody
5f14cd94a563
util/prosodyctl.lua

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util/prosodyctl.lua @ 2794:5f14cd94a563

util.prosodyctl: Report Prosody as not running if the pidfile isn't locked
author Matthew Wild <mwild1@gmail.com>
date Mon, 11 Jan 2010 00:14:33 +0000
parent 1522:569d58d21612
child 2796:1e287badd033
comparison
equal deleted inserted replaced
2793:08892e3f24bd 2794:5f14cd94a563
10 local config = require "core.configmanager"; 10 local config = require "core.configmanager";
11 local encodings = require "util.encodings"; 11 local encodings = require "util.encodings";
12 local stringprep = encodings.stringprep; 12 local stringprep = encodings.stringprep;
13 local usermanager = require "core.usermanager"; 13 local usermanager = require "core.usermanager";
14 local signal = require "util.signal"; 14 local signal = require "util.signal";
15 local lfs = require "lfs";
15 16
16 local nodeprep, nameprep = stringprep.nodeprep, stringprep.nameprep; 17 local nodeprep, nameprep = stringprep.nodeprep, stringprep.nameprep;
17 18
18 local io, os = io, os; 19 local io, os = io, os;
19 local tostring, tonumber = tostring, tonumber; 20 local tostring, tonumber = tostring, tonumber;
62 local pidfile = config.get("*", "core", "pidfile"); 63 local pidfile = config.get("*", "core", "pidfile");
63 if not pidfile then 64 if not pidfile then
64 return false, "no-pidfile"; 65 return false, "no-pidfile";
65 end 66 end
66 67
67 local file, err = io.open(pidfile); 68 local file, err = io.open(pidfile, "w");
68 if not file then 69 if not file then
69 return false, "pidfile-read-failed", err; 70 return false, "pidfile-read-failed", err;
71 end
72
73 local locked, err = lfs.lock(file, "w");
74 if locked then
75 file:close();
76 return false, "pidfile-not-locked";
70 end 77 end
71 78
72 local pid = tonumber(file:read("*a")); 79 local pid = tonumber(file:read("*a"));
73 file:close(); 80 file:close();
74 81
80 end 87 end
81 88
82 function isrunning() 89 function isrunning()
83 local ok, pid, err = _M.getpid(); 90 local ok, pid, err = _M.getpid();
84 if not ok then 91 if not ok then
85 if pid == "pidfile-read-failed" then 92 if pid == "pidfile-read-failed" or pid == "pidfile-not-locked" then
86 -- Report as not running, since we can't open the pidfile 93 -- Report as not running, since we can't open the pidfile
87 -- (it probably doesn't exist) 94 -- (it probably doesn't exist)
88 return true, false; 95 return true, false;
89 end 96 end
90 return ok, pid; 97 return ok, pid;