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annotate mod_log_events_by_memory/mod_log_events_by_memory.lua @ 5818:d3b69859553a

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mod_password_policy: Change error type from 'cancel' to 'modify' This makes more sense, as the problem relates to the data that has been entered, and therefore the request could be retried with different data.
author Matthew Wild <mwild1@gmail.com>
date Mon, 08 Jan 2024 17:28:39 +0000
parents 5fe34e5f9829
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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3615
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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1 module:set_global();
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
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2
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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3 local treshold = module:get_option_number("log_memory_threshold", 20*1024);
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
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4
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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5 function event_wrapper(handlers, event_name, event_data)
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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6 local memory_before = collectgarbage("count")*1024;
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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7 local ret = handlers(event_name, event_data);
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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8 local memory_after = collectgarbage("count")*1024;
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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9 if (memory_after - memory_before) > treshold then
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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10 module:log("warn", "Memory increased by %g bytes while processing event '%s'", (memory_after - memory_before), event_name);
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Kim Alvefur <zash@zash.se>
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11 end
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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12 return ret;
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13 end
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
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14
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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15 local http_events = require "net.http.server"._events;
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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16 module:wrap_object_event(http_events, false, event_wrapper);
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17
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
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18 module:wrap_event(false, event_wrapper);
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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19 function module.add_host(module)
5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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20 module:wrap_event(false, event_wrapper);
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Kim Alvefur <zash@zash.se>
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21 end