/*
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Copyright (c) 2019 Roger Light <roger@atchoo.org>
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All rights reserved. This program and the accompanying materials
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are made available under the terms of the Eclipse Public License v1.0
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and Eclipse Distribution License v1.0 which accompany this distribution.
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The Eclipse Public License is available at
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http://www.eclipse.org/legal/epl-v10.html
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and the Eclipse Distribution License is available at
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http://www.eclipse.org/org/documents/edl-v10.php.
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Contributors:
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Roger Light - initial implementation and documentation.
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*/
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#include "config.h"
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#include <math.h>
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#include <stdio.h>
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#include <utlist.h>
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#include "mosquitto_broker_internal.h"
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#include "memory_mosq.h"
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#include "time_mosq.h"
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static struct will_delay_list *delay_list = NULL;
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static time_t last_check = 0;
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static int will_delay__cmp(struct will_delay_list *i1, struct will_delay_list *i2)
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{
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return i1->context->will_delay_interval - i2->context->will_delay_interval;
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}
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int will_delay__add(struct mosquitto *context)
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{
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struct will_delay_list *item;
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item = mosquitto__calloc(1, sizeof(struct will_delay_list));
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if(!item) return MOSQ_ERR_NOMEM;
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item->context = context;
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context->will_delay_entry = item;
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item->context->will_delay_time = time(NULL) + item->context->will_delay_interval;
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DL_INSERT_INORDER(delay_list, item, will_delay__cmp);
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return MOSQ_ERR_SUCCESS;
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}
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/* Call on broker shutdown only */
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void will_delay__send_all(struct mosquitto_db *db)
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{
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struct will_delay_list *item, *tmp;
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DL_FOREACH_SAFE(delay_list, item, tmp){
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DL_DELETE(delay_list, item);
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item->context->will_delay_interval = 0;
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item->context->will_delay_entry = NULL;
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context__send_will(db, item->context);
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mosquitto__free(item);
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}
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}
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void will_delay__check(struct mosquitto_db *db, time_t now)
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{
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struct will_delay_list *item, *tmp;
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if(now <= last_check) return;
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last_check = now;
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DL_FOREACH_SAFE(delay_list, item, tmp){
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if(item->context->will_delay_time < now){
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DL_DELETE(delay_list, item);
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item->context->will_delay_interval = 0;
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item->context->will_delay_entry = NULL;
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context__send_will(db, item->context);
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if(item->context->session_expiry_interval == 0){
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context__add_to_disused(db, item->context);
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}
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mosquitto__free(item);
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}else{
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return;
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}
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}
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}
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void will_delay__remove(struct mosquitto *mosq)
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{
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if(mosq->will_delay_entry != NULL){
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DL_DELETE(delay_list, mosq->will_delay_entry);
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mosq->will_delay_entry = NULL;
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}
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}
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