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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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