Software /
code /
prosody-modules
File
mod_measure_storage/mod_measure_storage.lua @ 4049:78f1de5301fc
mod_adhoc_dataforms_demo: Fix duplicate field prevention
It's supposed to only include each type of form field once per form at
most but it didn't note which fields it had added already. No idea what
the probability was anyways, probably pretty low.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Tue, 23 Jun 2020 19:40:55 +0200 |
parent | 2693:04ae5b45e6c7 |
line wrap: on
line source
module:set_global() local function return_args_after_calling(f, ...) f(); return ... end local function time_method(module, store_name, store_type, method_name, method_function) local opt_use_tags = module:get_option_boolean("measure_storage_tagged_metric", false); local metric_name, metric_tags; if opt_use_tags then metric_name, metric_tags = "storage_operation", ("store_name:%s,store_type:%s,store_operation:%s"):format(store_name, store_type, method_name); else metric_name = store_name.."_"..store_type.."_"..method_name; end local measure_operation_started = module:measure(metric_name, "times", metric_tags); return function (...) module:log("debug", "Measuring storage operation %s (%s)", metric_name, metric_tags or "no tags"); local measure_operation_complete = measure_operation_started(); return return_args_after_calling(measure_operation_complete, method_function(...)); end; end local function wrap_store(module, store_name, store_type, store) local new_store = setmetatable({}, { __index = function (t, method_name) local original_method = store[method_name]; if type(original_method) ~= "function" then if original_method then rawset(t, method_name, original_method); end return original_method; end local timed_method = time_method(module, store_name, store_type, method_name, original_method); rawset(t, method_name, timed_method); return timed_method; end; }); return new_store; end local function hook_event(module) module:hook("store-opened", function(event) event.store = wrap_store(module, event.store_name, event.store_type or "keyval", event.store); end); end function module.load() hook_event(module); end function module.add_host(module) hook_event(module); end