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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "Quorum_cman.h"
#include "qpid/log/Statement.h"
#include "qpid/Options.h"
#include "qpid/sys/Time.h"
namespace qpid {
namespace cluster {
Quorum::Quorum() : enable(false), cman(0) {}
Quorum::~Quorum() { if (cman) cman_finish(cman); }
void Quorum::init() {
QPID_LOG(info, "Waiting for cluster quorum");
enable = true;
cman = cman_init(0);
if (cman == 0) throw ErrnoException("Can't connect to cman service");
// TODO aconway 2008-11-13: configurable max wait.
for (int retry = 0; !cman_is_quorate(cman) && retry < 30; retry++) {
QPID_LOG(info, "Waiting for cluster quorum: " << sys::strError(errno));
sys::sleep(1);
}
if (!cman_is_quorate(cman))
throw ErrnoException("Timed out waiting for cluster quorum.");
}
bool Quorum::isQuorate() { return enable ? cman_is_quorate(cman) : true; }
}} // namespace qpid::cluster
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