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annotate mod_debug_traceback/mod_debug_traceback.lua @ 6398:9c9889ad4302

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mod_unsubscriber: Add MUC support This catches XEP-0045 Join stanzas and replies with an error telling the prospective participant that the supposed MUC is gone. The user or their client can then take action to remove any bookmark or at least disable autojoin.
author Kim Alvefur <zash@zash.se>
date Sat, 07 Feb 2026 12:25:52 +0100
parents 0358fcf14cd6
children
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5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
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1 module:set_global();
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2
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3 local traceback = require "util.debug".traceback;
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4 local pposix = require "util.pposix";
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5 local os_date = os.date;
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6 local render_filename = require "util.interpolation".new("%b{}", function (s) return s; end, {
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7 yyyymmdd = function (t)
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8 return os_date("%Y%m%d", t);
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9 end;
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10 hhmmss = function (t)
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11 return os_date("%H%M%S", t);
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12 end;
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13 });
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14
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15 local count = 0;
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16
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17 local function get_filename(filename_template)
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18 filename_template = filename_template;
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19 return render_filename(filename_template, {
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20 paths = prosody.paths;
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21 pid = pposix.getpid();
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22 count = count;
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23 time = os.time();
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24 });
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25 end
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26
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27 local default_filename_template = "{paths.data}/traceback-{pid}-{count}.log";
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28 local filename_template = module:get_option_string("debug_traceback_filename", default_filename_template);
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29 local signal_name = module:get_option_string("debug_traceback_signal", "SIGUSR1");
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30
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31 function dump_traceback()
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32 module:log("info", "Received %s, writing traceback", signal_name);
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33
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34 local tb = traceback();
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35 module:fire_event("debug_traceback/triggered", { traceback = tb });
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36
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37 local f, err = io.open(get_filename(filename_template), "a+");
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38 if not f then
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39 module:log("error", "Unable to write traceback: %s", err);
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40 return;
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41 end
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42 f:write("-- Traceback generated at ", os.date("%b %d %H:%M:%S"), " --\n");
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983565f42063 mod_debug_traceback: Fix to use the cached traceback
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43 f:write(tb, "\n");
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44 f:write("-- End of traceback --\n");
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45 f:close();
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46 count = count + 1;
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47 end
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48
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49 module:hook("signal/"..signal_name, dump_traceback);