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util-src/time.c @ 9751:39ee70fbb009
mod_mam: Perform message expiry based on building an index by date
For each day, store a set of users that have new messages. To expire
messages, we collect the union of sets of users from dates that fall
outside the cleanup range.
The previous algoritm did not work well with many users, especially with
the default settings.
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 03 Jan 2019 17:25:43 +0100 |
parent | 9680:a374905e99ff |
child | 10480:94cacf9fd0ae |
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#ifndef _POSIX_C_SOURCE #define _POSIX_C_SOURCE 200809L #endif #include <time.h> #include <lua.h> lua_Number tv2number(struct timespec *tv) { return tv->tv_sec + tv->tv_nsec * 1e-9; } int lc_time_realtime(lua_State *L) { struct timespec t; clock_gettime(CLOCK_REALTIME, &t); lua_pushnumber(L, tv2number(&t)); return 1; } int lc_time_monotonic(lua_State *L) { struct timespec t; clock_gettime(CLOCK_MONOTONIC, &t); lua_pushnumber(L, tv2number(&t)); return 1; } int luaopen_util_time(lua_State *L) { lua_createtable(L, 0, 2); { lua_pushcfunction(L, lc_time_realtime); lua_setfield(L, -2, "now"); lua_pushcfunction(L, lc_time_monotonic); lua_setfield(L, -2, "monotonic"); } return 1; }