Mercurial > prosody-modules
annotate mod_log_ringbuffer/mod_log_ringbuffer.lua @ 4553:7e5c8186f121
mod_munin: Port to new OpenMetrics based statistics module
author | Jonas Schäfer <jonas@wielicki.name> |
---|---|
date | Wed, 28 Apr 2021 08:20:15 +0200 |
parents | df2ccb42a241 |
children | 133b23758cf6 |
rev | line source |
---|---|
4205
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
1 module:set_global(); |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
2 |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
3 local loggingmanager = require "core.loggingmanager"; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
4 local format = require "util.format".format; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
5 local pposix = require "util.pposix"; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
6 local rb = require "util.ringbuffer"; |
4226
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
7 local queue = require "util.queue"; |
4205
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
8 |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
9 local default_timestamp = "%b %d %H:%M:%S "; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
10 local max_chunk_size = module:get_option_number("log_ringbuffer_chunk_size", 16384); |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
11 |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
12 local os_date = os.date; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
13 |
4215
86f8ece24029
mod_log_ringbuffer: Update default filename to include data path
Matthew Wild <mwild1@gmail.com>
parents:
4205
diff
changeset
|
14 local default_filename_template = "{paths.data}/ringbuffer-logs-{pid}-{count}.log"; |
4205
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
15 local render_filename = require "util.interpolation".new("%b{}", function (s) return s; end, { |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
16 yyyymmdd = function (t) |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
17 return os_date("%Y%m%d", t); |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
18 end; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
19 hhmmss = function (t) |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
20 return os_date("%H%M%S", t); |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
21 end; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
22 }); |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
23 |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
24 local dump_count = 0; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
25 |
4226
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
26 local function dump_buffer(dump, filename) |
4205
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
27 dump_count = dump_count + 1; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
28 local f, err = io.open(filename, "a+"); |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
29 if not f then |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
30 module:log("error", "Unable to open output file: %s", err); |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
31 return; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
32 end |
4226
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
33 f:write(("-- Dumping log buffer at %s --\n"):format(os_date(default_timestamp))); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
34 dump(f); |
4205
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
35 f:write("-- End of dump --\n\n"); |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
36 f:close(); |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
37 end |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
38 |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
39 local function get_filename(filename_template) |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
40 filename_template = filename_template or default_filename_template; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
41 return render_filename(filename_template, { |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
42 paths = prosody.paths; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
43 pid = pposix.getpid(); |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
44 count = dump_count; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
45 time = os.time(); |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
46 }); |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
47 end |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
48 |
4226
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
49 local function new_buffer(config) |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
50 local write, dump; |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
51 |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
52 if config.lines then |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
53 local buffer = queue.new(config.lines, true); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
54 function write(line) |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
55 buffer:push(line); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
56 end |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
57 function dump(f) |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
58 -- COMPAT w/0.11 - update to use :consume() |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
59 for line in buffer.pop, buffer do |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
60 f:write(line); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
61 end |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
62 end |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
63 else |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
64 local buffer_size = config.size or 100*1024; |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
65 local buffer = rb.new(buffer_size); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
66 function write(line) |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
67 if not buffer:write(line) then |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
68 if #line > buffer_size then |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
69 buffer:discard(buffer_size); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
70 buffer:write(line:sub(-buffer_size)); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
71 else |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
72 buffer:discard(#line); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
73 buffer:write(line); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
74 end |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
75 end |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
76 end |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
77 function dump(f) |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
78 local bytes_remaining = buffer:length(); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
79 while bytes_remaining > 0 do |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
80 local chunk_size = math.min(bytes_remaining, max_chunk_size); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
81 local chunk = buffer:read(chunk_size); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
82 if not chunk then |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
83 return; |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
84 end |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
85 f:write(chunk); |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
86 bytes_remaining = bytes_remaining - chunk_size; |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
87 end |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
88 end |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
89 end |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
90 return write, dump; |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
91 end |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
92 |
4205
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
93 local function ringbuffer_log_sink_maker(sink_config) |
4226
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
94 local write, dump = new_buffer(sink_config); |
4205
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
95 |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
96 local timestamps = sink_config.timestamps; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
97 |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
98 if timestamps == true or timestamps == nil then |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
99 timestamps = default_timestamp; -- Default format |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
100 elseif timestamps then |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
101 timestamps = timestamps .. " "; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
102 end |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
103 |
4226
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
104 local function handler() |
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
105 dump_buffer(dump, sink_config.filename or get_filename(sink_config.filename_template)); |
4205
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
106 end |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
107 |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
108 if sink_config.signal then |
4226
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
109 require "util.signal".signal(sink_config.signal, handler); |
4205
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
110 elseif sink_config.event then |
4226
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
111 module:hook_global(sink_config.event, handler); |
4205
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
112 end |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
113 |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
114 return function (name, level, message, ...) |
4225
d6fb9f7afaa5
mod_log_ringbuffer: Discard old data when buffer is full
Matthew Wild <mwild1@gmail.com>
parents:
4219
diff
changeset
|
115 local line = format("%s%s\t%s\t%s\n", timestamps and os_date(timestamps) or "", name, level, format(message, ...)); |
4226
df2ccb42a241
mod_log_ringbuffer: Add 'lines' option (actually an alternative ringbuffer implementation)
Matthew Wild <mwild1@gmail.com>
parents:
4225
diff
changeset
|
116 write(line); |
4205
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
117 end; |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
118 end |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
119 |
481c4d75e77d
mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
120 loggingmanager.register_sink_type("ringbuffer", ringbuffer_log_sink_maker); |