prosody
8eb45a8099c4
util/logger.lua

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util/logger.lua @ 582:8eb45a8099c4

Make it possible to set custom output handler for logger
author Matthew Wild <mwild1@gmail.com>
date Sat, 06 Dec 2008 23:13:38 +0000
parent 519:cccd610a0ef9
child 615:4ae3e81513f3
comparison
equal deleted inserted replaced
581:23b9cd1206ba 582:8eb45a8099c4
15 -- You should have received a copy of the GNU General Public License 15 -- You should have received a copy of the GNU General Public License
16 -- along with this program; if not, write to the Free Software 16 -- along with this program; if not, write to the Free Software
17 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 17 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 -- 18 --
19 19
20
21
22 local format, rep = string.format, string.rep; 20 local format, rep = string.format, string.rep;
23 local io_write = io.write; 21 local io_write = io.write;
24 local print = print; 22 local pcall = pcall;
25 local debug = debug; 23 local debug = debug;
26 local tostring = tostring; 24 local tostring = tostring;
27 local math_max = math.max; 25 local math_max = math.max;
28 26
29 local getstyle, getstring = require "util.termcolours".getstyle, require "util.termcolours".getstring; 27 local getstyle, getstring = require "util.termcolours".getstyle, require "util.termcolours".getstring;
40 logstyles["error"] = getstyle("bold", "red"); 38 logstyles["error"] = getstyle("bold", "red");
41 end 39 end
42 40
43 local sourcewidth = 20; 41 local sourcewidth = 20;
44 42
43 local outfunction = nil;
44
45 function init(name) 45 function init(name)
46 --name = nil; -- While this line is not commented, will automatically fill in file/line number info 46 --name = nil; -- While this line is not commented, will automatically fill in file/line number info
47 sourcewidth = math_max(#name+2, sourcewidth); 47 sourcewidth = math_max(#name+2, sourcewidth);
48 local namelen = #name; 48 local namelen = #name;
49 return function (level, message, ...) 49 return function (level, message, ...)
50 if not name then 50 if not name then
51 local inf = debug.getinfo(3, 'Snl'); 51 local inf = debug.getinfo(3, 'Snl');
52 level = level .. ","..tostring(inf.short_src):match("[^/]*$")..":"..inf.currentline; 52 level = level .. ","..tostring(inf.short_src):match("[^/]*$")..":"..inf.currentline;
53 end 53 end
54
55 if outfunction then return outfunction(name, level, message, ...); end
56
54 if ... then 57 if ... then
55 io_write(name, rep(" ", sourcewidth-namelen), getstring(logstyles[level], level), "\t", format(message, ...), "\n"); 58 io_write(name, rep(" ", sourcewidth-namelen), getstring(logstyles[level], level), "\t", format(message, ...), "\n");
56 else 59 else
57 io_write(name, rep(" ", sourcewidth-namelen), getstring(logstyles[level], level), "\t", message, "\n"); 60 io_write(name, rep(" ", sourcewidth-namelen), getstring(logstyles[level], level), "\t", message, "\n");
58 end 61 end
59 end 62 end
60 end 63 end
61 64
65 function setwriter(f)
66 if not f then outfunction = nil; return true, nil; end
67 local ok, ret = pcall(f, "logger", "info", "Switched logging output successfully");
68 if ok then
69 outfunction = f;
70 end
71 return ok, ret;
72 end
73
62 return _M; 74 return _M;