Mercurial > prosody-modules
annotate mod_log_events_by_memory/mod_log_events_by_memory.lua @ 5593:6d0574bfbf5d
mod_client_management: Include software version in table (when known)
Showing software versions could be useful for statistical reasons, e.g.
determining how quickly (or not) users upgrade, but most importantly for
revoking vulnerable clients versions in case of a security issue.
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 13 Jul 2023 23:26:02 +0200 |
parents | 5fe34e5f9829 |
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mod_log_events_by_memory: Log events where Lua memory usage increased
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1 module:set_global(); |
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2 |
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3 local treshold = module:get_option_number("log_memory_threshold", 20*1024); |
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4 |
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5 function event_wrapper(handlers, event_name, event_data) |
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6 local memory_before = collectgarbage("count")*1024; |
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7 local ret = handlers(event_name, event_data); |
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8 local memory_after = collectgarbage("count")*1024; |
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mod_log_events_by_memory: Log events where Lua memory usage increased
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9 if (memory_after - memory_before) > treshold then |
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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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11 end |
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12 return ret; |
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13 end |
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14 |
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15 local http_events = require "net.http.server"._events; |
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16 module:wrap_object_event(http_events, false, event_wrapper); |
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17 |
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18 module:wrap_event(false, event_wrapper); |
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19 function module.add_host(module) |
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20 module:wrap_event(false, event_wrapper); |
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21 end |