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mod_measure_memory/mod_measure_memory.lua @ 4941:e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Makes MAM queries to remote hosts works.
As the comment says, MAM results from users' local archives or local
MUCs are returned via origin.send() which is provided in the event and
thus already worked. Results from remote hosts go via normal stanza
routing and events, which need this extra handling to catch.
This pattern of iq-set, message+, iq-result is generally limited to MAM.
Closest similar thing might be MUC join, but to really handle that you
would need the webhook callback mechanism.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 16 May 2022 19:47:09 +0200 |
parent | 4040:e17c937a71b3 |
rev | line source |
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1623
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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1 module:set_global(); |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
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2 |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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3 local measure = require"core.statsmanager".measure; |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
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4 |
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Kim Alvefur <zash@zash.se>
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5 local measures = {}; |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
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6 setmetatable(measures, { |
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mod_measure_memory: Silence warnings [luacheck]
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7 __index = function (t, k) |
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mod_measure_memory: Report that stats are in units of bytes
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8 local m = measure("amount", "memory."..k, { units = "bytes" }); t[k] = m; return m; |
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9 end |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
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10 }); |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
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11 |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
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12 module:hook("stats-update", function () |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
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13 measures.lua(collectgarbage("count")*1024); |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
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14 end); |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
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15 |
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mod_measure_memory: Silence warnings [luacheck]
Kim Alvefur <zash@zash.se>
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16 if require"lfs".attributes("/proc/self/statm", "mode") == "file" then |
1623
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Kim Alvefur <zash@zash.se>
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17 local pagesize = module:get_option_number("memory_pagesize", 4096); -- getconf PAGESIZE |
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18 |
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Kim Alvefur <zash@zash.se>
parents:
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19 module:hook("stats-update", function () |
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20 local statm, err = io.open("/proc/self/statm"); |
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21 if not statm then |
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22 module:log("error", tostring(err)); |
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23 return; |
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Kim Alvefur <zash@zash.se>
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24 end |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
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25 -- virtual memory (caches, opened librarys, everything) |
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26 measures.total(statm:read("*n") * pagesize); |
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27 -- resident set size (actually used memory) |
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28 measures.rss(statm:read("*n") * pagesize); |
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29 statm:close(); |
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Kim Alvefur <zash@zash.se>
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30 end); |
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parents:
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31 end |