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