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133 lines
4.0 KiB
C
133 lines
4.0 KiB
C
/*
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* Copyright (c) 2015 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 <err.h>
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#include "qnet-config.h"
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#include "qdevice-net-log.h"
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#include "qdevice-net-cast-vote-timer.h"
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static int
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qdevice_net_cast_vote_timer_callback(void *data1, void *data2)
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{
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struct qdevice_net_instance *instance;
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cs_error_t res;
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int cast_vote;
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instance = (struct qdevice_net_instance *)data1;
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switch (instance->cast_vote_timer_vote) {
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case TLV_VOTE_ACK:
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cast_vote = 1;
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break;
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case TLV_VOTE_NACK:
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cast_vote = 0;
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break;
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case TLV_VOTE_ASK_LATER:
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case TLV_VOTE_WAIT_FOR_REPLY:
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default:
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errx(1, "qdevice_net_timer_cast_vote: Unhandled cast_vote_timer_vote %u\n",
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instance->cast_vote_timer_vote);
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break;
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}
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res = votequorum_qdevice_poll(instance->votequorum_handle,
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QDEVICE_NET_VOTEQUORUM_DEVICE_NAME, cast_vote,
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instance->last_received_votequorum_ring_id);
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if (res != CS_OK && res != CS_ERR_TRY_AGAIN) {
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if (res == CS_ERR_MESSAGE_ERROR) {
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qdevice_net_log(LOG_INFO, "votequorum_qdevice_poll called with old ring id, rescheduling timer");
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} else {
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qdevice_net_log(LOG_CRIT, "Can't call votequorum_qdevice_poll. Error %u", res);
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instance->schedule_disconnect = 1;
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return (0);
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}
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}
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/*
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* Schedule this function callback again
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*/
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return (-1);
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}
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int
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qdevice_net_cast_vote_timer_update(struct qdevice_net_instance *instance, enum tlv_vote vote)
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{
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int timer_needs_running;
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switch (vote) {
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case TLV_VOTE_ACK:
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case TLV_VOTE_NACK:
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timer_needs_running = 1;
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break;
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case TLV_VOTE_WAIT_FOR_REPLY:
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case TLV_VOTE_ASK_LATER:
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timer_needs_running = 0;
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break;
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default:
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errx(1, "qdevice_net_cast_vote_timer_update_vote: Unhandled vote parameter %u\n",
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vote);
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break;
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}
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instance->cast_vote_timer_vote = vote;
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if (timer_needs_running) {
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if (instance->cast_vote_timer == NULL) {
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instance->cast_vote_timer = timer_list_add(&instance->main_timer_list,
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instance->cast_vote_timer_interval,
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qdevice_net_cast_vote_timer_callback, (void *)instance, NULL);
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if (instance->cast_vote_timer == NULL) {
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qdevice_net_log(LOG_ERR, "Can't schedule sending of votequorum poll");
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return (-1);
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}
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}
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if (qdevice_net_cast_vote_timer_callback((void *)instance, NULL) != -1) {
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return (-1);
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}
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} else {
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if (instance->cast_vote_timer != NULL) {
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timer_list_delete(&instance->main_timer_list, instance->cast_vote_timer);
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instance->cast_vote_timer = NULL;
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}
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}
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return (0);
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}
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