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/*-
* Copyright 2022 Vsevolod Stakhov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef RSPAMD_SYMCACHE_PERIODIC_HXX
#define RSPAMD_SYMCACHE_PERIODIC_HXX
#pragma once
#include "config.h"
#include "contrib/libev/ev.h"
#include "symcache_internal.hxx"
#include "worker_util.h"
namespace rspamd::symcache {
struct cache_refresh_cbdata {
private:
symcache *cache;
struct ev_loop *event_loop;
struct rspamd_worker *w;
double reload_time;
double last_resort;
ev_timer resort_ev;
public:
explicit cache_refresh_cbdata(symcache *_cache,
struct ev_loop *_ev_base,
struct rspamd_worker *_w)
: cache(_cache), event_loop(_ev_base), w(_w)
{
auto log_tag = [&]() { return cache->log_tag(); };
last_resort = rspamd_get_ticks(TRUE);
reload_time = cache->get_reload_time();
auto tm = rspamd_time_jitter(reload_time, 0);
msg_debug_cache("next reload in %.2f seconds", tm);
ev_timer_init(&resort_ev, cache_refresh_cbdata::resort_cb,
tm, tm);
resort_ev.data = (void *) this;
ev_timer_start(event_loop, &resort_ev);
rspamd_mempool_add_destructor(cache->get_pool(),
cache_refresh_cbdata::refresh_dtor, (void *) this);
}
static void refresh_dtor(void *d)
{
auto *cbdata = (struct cache_refresh_cbdata *) d;
delete cbdata;
}
static void resort_cb(EV_P_ ev_timer *w, int _revents)
{
auto *cbdata = (struct cache_refresh_cbdata *) w->data;
auto log_tag = [&]() { return cbdata->cache->log_tag(); };
if (rspamd_worker_is_primary_controller(cbdata->w)) {
/* Plan new event */
auto tm = rspamd_time_jitter(cbdata->reload_time, 0);
msg_debug_cache("resort symbols cache, next reload in %.2f seconds", tm);
cbdata->resort_ev.repeat = tm;
ev_timer_again(EV_A_ w);
auto cur_time = rspamd_get_ticks(FALSE);
cbdata->cache->periodic_resort(cbdata->event_loop, cur_time, cbdata->last_resort);
cbdata->last_resort = cur_time;
}
}
private:
~cache_refresh_cbdata()
{
ev_timer_stop(event_loop, &resort_ev);
}
};
}// namespace rspamd::symcache
#endif//RSPAMD_SYMCACHE_PERIODIC_HXX
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