prosody
10d13e0554f9
util-src/time.c

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util-src/time.c @ 11515:10d13e0554f9

core.statsmanager: Allow special "manual" value for statistics_interval When set, no periodic statistics collection is done by core.statsmanager, instead some module is expected to call collect() when it suits. Obviously only one such module should be enabled. Quoth jonas’ > correct way is to scrape the internal sources on each call to /metrics > in the context of Prometheus "manual" as opposed to "automatic", from the point of view of statsmanager.
author Kim Alvefur <zash@zash.se>
date Tue, 06 Apr 2021 23:25:15 +0200
parent 10480:94cacf9fd0ae
child 12976:a187600ec7d6
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1 #ifndef _POSIX_C_SOURCE
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2 #define _POSIX_C_SOURCE 200809L
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3 #endif
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4
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5 #include <time.h>
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6 #include <lua.h>
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7
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8 static lua_Number tv2number(struct timespec *tv) {
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9 return tv->tv_sec + tv->tv_nsec * 1e-9;
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10 }
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11
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12 static int lc_time_realtime(lua_State *L) {
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13 struct timespec t;
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14 clock_gettime(CLOCK_REALTIME, &t);
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15 lua_pushnumber(L, tv2number(&t));
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16 return 1;
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17 }
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18
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19 static int lc_time_monotonic(lua_State *L) {
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20 struct timespec t;
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21 clock_gettime(CLOCK_MONOTONIC, &t);
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22 lua_pushnumber(L, tv2number(&t));
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23 return 1;
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24 }
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25
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26 int luaopen_util_time(lua_State *L) {
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27 lua_createtable(L, 0, 2);
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28 {
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29 lua_pushcfunction(L, lc_time_realtime);
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30 lua_setfield(L, -2, "now");
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31 lua_pushcfunction(L, lc_time_monotonic);
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32 lua_setfield(L, -2, "monotonic");
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33 }
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34 return 1;
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35 }