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testvotequorum2.c
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testvotequorum2.c
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/*
* Copyright (c) 2009 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Christine Caulfield (ccaulfie@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 MontaVista Software, 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 CONTIBUTORS "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 <config.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <corosync/corotypes.h>
#include <corosync/votequorum.h>
static votequorum_handle_t handle;
static void print_info(int ok_to_fail)
{
struct votequorum_info info;
int err;
if ( (err=votequorum_getinfo(handle, VOTEQUORUM_QDEVICE_NODEID, &info)) != CS_OK)
fprintf(stderr, "votequorum_getinfo error %d: %s\n", err, ok_to_fail?"OK":"FAILED");
else {
printf("name %s\n", info.qdevice_name);
printf("qdevice votes %d\n", info.qdevice_votes);
if (info.flags & VOTEQUORUM_INFO_QDEVICE_ALIVE) {
printf("alive\n");
}
if (info.flags & VOTEQUORUM_INFO_QDEVICE_CAST_VOTE) {
printf("cast vote\n");
}
if (info.flags & VOTEQUORUM_INFO_QDEVICE_MASTER_WINS) {
printf("master wins\n");
}
printf("\n");
}
}
int main(int argc, char *argv[])
{
int ret = 0;
int cast_vote = 1, master_wins = 1;
int pollcount=0, polltime=1;
int err;
if ( (err=votequorum_initialize(&handle, NULL)) != CS_OK) {
fprintf(stderr, "votequorum_initialize FAILED: %d\n", err);
return -1;
}
print_info(1);
if (argc >= 2 && atoi(argv[1])) {
pollcount = atoi(argv[1]);
}
if (argc >= 3 && atoi(argv[2])) {
polltime = atoi(argv[2]);
}
if (argc >= 4) {
cast_vote = atoi(argv[3]);
}
if (argc >= 5) {
master_wins = atoi(argv[4]);
}
if (argc >= 2) {
if ( (err=votequorum_qdevice_register(handle, "QDEVICE")) != CS_OK) {
fprintf(stderr, "qdevice_register FAILED: %d\n", err);
ret = -1;
goto out;
}
if ( (err=votequorum_qdevice_master_wins(handle, "QDEVICE", master_wins)) != CS_OK) {
fprintf(stderr, "qdevice_master_wins FAILED: %d\n", err);
ret = -1;
goto out;
}
while (pollcount--) {
print_info(0);
if ((err=votequorum_qdevice_poll(handle, "QDEVICE", cast_vote)) != CS_OK) {
fprintf(stderr, "qdevice poll FAILED: %d\n", err);
ret = -1;
goto out;
}
print_info(0);
sleep(polltime);
}
if ((err= votequorum_qdevice_unregister(handle, "QDEVICE")) != CS_OK) {
fprintf(stderr, "qdevice unregister FAILED: %d\n", err);
ret = -1;
goto out;
}
}
print_info(1);
out:
votequorum_finalize(handle);
return ret;
}

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