mirror_corosync-qdevice/qdevices/qnetd-dpd-timer.c
Jan Friesse af4f8826dc timer-list: Rename delete and reschedule ops
Add entry to the name so it is more evident change is happening to the
entry and not to the list.

Signed-off-by: Jan Friesse <jfriesse@redhat.com>
2020-11-13 16:43:37 +01:00

99 lines
3.2 KiB
C

/*
* Copyright (c) 2015-2020 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Jan Friesse (jfriesse@redhat.com)
*
* This software licensed under BSD license, the text of which follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the Red Hat, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "log.h"
#include "qnetd-dpd-timer.h"
static int
qnetd_dpd_timer_cb(void *data1, void *data2)
{
struct qnetd_instance *instance;
struct qnetd_client *client;
instance = (struct qnetd_instance *)data1;
TAILQ_FOREACH(client, &instance->clients, entries) {
if (!client->init_received) {
continue;
}
client->dpd_time_since_last_check += instance->advanced_settings->dpd_interval;
if (client->dpd_time_since_last_check > client->heartbeat_interval * 1.2) {
if (!client->dpd_msg_received_since_last_check) {
log(LOG_WARNING, "Client %s doesn't sent any message during "
"%"PRIu32"ms. Disconnecting",
client->addr_str, client->dpd_time_since_last_check);
client->schedule_disconnect = 1;
} else {
client->dpd_time_since_last_check = 0;
client->dpd_msg_received_since_last_check = 0;
}
}
}
return (-1);
}
int
qnetd_dpd_timer_init(struct qnetd_instance *instance)
{
if (!instance->advanced_settings->dpd_enabled) {
return (0);
}
instance->dpd_timer = timer_list_add(pr_poll_loop_get_timer_list(&instance->main_poll_loop),
instance->advanced_settings->dpd_interval,
qnetd_dpd_timer_cb, (void *)instance, NULL);
if (instance->dpd_timer == NULL) {
log(LOG_ERR, "Can't initialize dpd timer");
return (-1);
}
return (0);
}
void
qnetd_dpd_timer_destroy(struct qnetd_instance *instance)
{
if (instance->dpd_timer != NULL) {
timer_list_entry_delete(pr_poll_loop_get_timer_list(&instance->main_poll_loop), instance->dpd_timer);
instance->dpd_timer = NULL;
}
}