prosody-modules
4d6af8950016
mod_measure_storage/mod_measure_storage.lua

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mod_measure_storage/mod_measure_storage.lua @ 5170:4d6af8950016

mod_muc_moderation: Derive role from reserved nickname if occupant When using a different client to moderate than the one used to participate in the chat, e.g. a command line tool like clix, there's no occupant and no role to use in the permission check. Previously the default role based on affiliation was used. Now if you are present in the room using your reserved nick, the role you have there is used in the permission check instead of the default affiliation-derived role.
author Kim Alvefur <zash@zash.se>
date Sun, 19 Feb 2023 18:17:37 +0100
parent 2693:04ae5b45e6c7
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992e40dab31d mod_measure_storage: Experimental new module to measure storage API operations (requires 0.10)
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1 module:set_global()
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2
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3 local function return_args_after_calling(f, ...)
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4 f();
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5 return ...
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6 end
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7
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8 local function time_method(module, store_name, store_type, method_name, method_function)
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9 local opt_use_tags = module:get_option_boolean("measure_storage_tagged_metric", false);
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10
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11 local metric_name, metric_tags;
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12 if opt_use_tags then
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13 metric_name, metric_tags = "storage_operation", ("store_name:%s,store_type:%s,store_operation:%s"):format(store_name, store_type, method_name);
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14 else
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15 metric_name = store_name.."_"..store_type.."_"..method_name;
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16 end
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17 local measure_operation_started = module:measure(metric_name, "times", metric_tags);
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18
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19 return function (...)
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20 module:log("debug", "Measuring storage operation %s (%s)", metric_name, metric_tags or "no tags");
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21 local measure_operation_complete = measure_operation_started();
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22 return return_args_after_calling(measure_operation_complete, method_function(...));
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23 end;
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24 end
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25
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26 local function wrap_store(module, store_name, store_type, store)
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27 local new_store = setmetatable({}, {
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28 __index = function (t, method_name)
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29 local original_method = store[method_name];
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30 if type(original_method) ~= "function" then
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31 if original_method then
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32 rawset(t, method_name, original_method);
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33 end
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34 return original_method;
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35 end
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36 local timed_method = time_method(module, store_name, store_type, method_name, original_method);
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37 rawset(t, method_name, timed_method);
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38 return timed_method;
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39 end;
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40 });
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41 return new_store;
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42 end
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43
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44 local function hook_event(module)
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45 module:hook("store-opened", function(event)
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46 event.store = wrap_store(module, event.store_name, event.store_type or "keyval", event.store);
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47 end);
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48 end
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49
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50 function module.load()
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51 hook_event(module);
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52 end
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53
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54 function module.add_host(module)
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55 hook_event(module);
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56 end