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af4f8826dc
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>
147 lines
4.2 KiB
C
147 lines
4.2 KiB
C
/*
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* Copyright (c) 2015-2019 Red Hat, Inc.
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*
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* All rights reserved.
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*
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* Author: Jan Friesse (jfriesse@redhat.com)
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*
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* This software licensed under BSD license, the text of which follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the Red Hat, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "log.h"
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#include "qnetd-client-algo-timer.h"
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#include "qnetd-client-send.h"
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#include "qnetd-algorithm.h"
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#include "timer-list.h"
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static int
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qnetd_client_algo_timer_callback(void *data1, void *data2)
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{
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struct qnetd_client *client;
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enum tlv_vote result_vote;
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int send_vote;
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int reschedule_timer;
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enum tlv_reply_error_code reply_error_code;
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client = (struct qnetd_client *)data1;
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result_vote = TLV_VOTE_WAIT_FOR_REPLY;
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send_vote = 0;
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reschedule_timer = 0;
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reply_error_code = qnetd_algorithm_timer_callback(client, &reschedule_timer,
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&send_vote, &result_vote);
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if (reply_error_code != TLV_REPLY_ERROR_CODE_NO_ERROR) {
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log(LOG_ERR, "Algorithm for client %s returned error code. "
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"Sending error reply.", client->addr_str);
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if (qnetd_client_send_err(client, 0, 0, reply_error_code) != 0) {
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client->schedule_disconnect = 1;
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return (0);
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}
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return (0);
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} else {
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log(LOG_DEBUG, "Algorithm for client %s decided to %s timer and %s vote "
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"with value %s", client->addr_str,
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(reschedule_timer ? "reschedule" : "not reschedule"),
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(send_vote ? "send" : "not send"),
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tlv_vote_to_str(result_vote));
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}
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if (send_vote) {
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client->algo_timer_vote_info_msq_seq_number++;
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if (qnetd_client_send_vote_info(client,
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client->algo_timer_vote_info_msq_seq_number, &client->last_ring_id,
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result_vote) != 0) {
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client->schedule_disconnect = 1;
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return (0);
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}
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}
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if (reschedule_timer) {
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/*
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* Timer list makes sure to schedule callback again
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*/
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return (-1);
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}
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client->algo_timer = NULL;
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return (0);
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}
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int
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qnetd_client_algo_timer_is_scheduled(struct qnetd_client *client)
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{
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return (client->algo_timer != NULL);
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}
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int
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qnetd_client_algo_timer_schedule_timeout(struct qnetd_client *client, uint32_t timeout)
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{
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if (qnetd_client_algo_timer_is_scheduled(client)) {
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if (qnetd_client_algo_timer_abort(client) != 0) {
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log(LOG_ERR, "Can't abort algo timer");
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return (-1);
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}
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}
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client->algo_timer = timer_list_add(client->main_timer_list, timeout,
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qnetd_client_algo_timer_callback, (void *)client, NULL);
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if (client->algo_timer == NULL) {
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log(LOG_ERR, "Can't schedule algo timer");
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return (-1);
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}
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return (0);
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}
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int
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qnetd_client_algo_timer_schedule(struct qnetd_client *client)
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{
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return (qnetd_client_algo_timer_schedule_timeout(client, client->heartbeat_interval / 4));
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}
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int
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qnetd_client_algo_timer_abort(struct qnetd_client *client)
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{
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if (qnetd_client_algo_timer_is_scheduled(client)) {
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timer_list_entry_delete(client->main_timer_list, client->algo_timer);
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client->algo_timer = NULL;
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}
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return (0);
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}
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