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/**
* Copyright (C) 2016 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kReplication
#include "mongo/platform/basic.h"
#include "mongo/db/repl/data_replicator_external_state_impl.h"
#include "mongo/db/repl/replication_coordinator.h"
#include "mongo/db/repl/replication_coordinator_external_state.h"
#include "mongo/util/log.h"
namespace mongo {
namespace repl {
DataReplicatorExternalStateImpl::DataReplicatorExternalStateImpl(
ReplicationCoordinator* replicationCoordinator,
ReplicationCoordinatorExternalState* replicationCoordinatorExternalState)
: _replicationCoordinator(replicationCoordinator),
_replicationCoordinatorExternalState(replicationCoordinatorExternalState) {}
OpTimeWithTerm DataReplicatorExternalStateImpl::getCurrentTermAndLastCommittedOpTime() {
if (!_replicationCoordinator->isV1ElectionProtocol()) {
return {OpTime::kUninitializedTerm, OpTime()};
}
return {_replicationCoordinator->getTerm(), _replicationCoordinator->getLastCommittedOpTime()};
}
void DataReplicatorExternalStateImpl::processMetadata(const rpc::ReplSetMetadata& metadata) {
_replicationCoordinator->processReplSetMetadata(metadata);
if (metadata.getPrimaryIndex() != rpc::ReplSetMetadata::kNoPrimary) {
_replicationCoordinator->cancelAndRescheduleElectionTimeout();
}
}
bool DataReplicatorExternalStateImpl::shouldStopFetching(const HostAndPort& source,
const OpTime& sourceOpTime,
bool sourceHasSyncSource) {
// Re-evaluate quality of sync target.
if (_replicationCoordinator->shouldChangeSyncSource(
source, sourceOpTime, sourceHasSyncSource)) {
LOG(1) << "Canceling oplog query because we have to choose a sync source. Current source: "
<< source << ", OpTime " << sourceOpTime
<< ", hasSyncSource:" << sourceHasSyncSource;
return true;
}
return false;
}
StatusWith<OpTime> DataReplicatorExternalStateImpl::_multiApply(
OperationContext* txn,
const MultiApplier::Operations& ops,
MultiApplier::ApplyOperationFn applyOperation) {
return _replicationCoordinatorExternalState->multiApply(txn, ops, applyOperation);
}
void DataReplicatorExternalStateImpl::_multiSyncApply(const MultiApplier::Operations& ops) {
_replicationCoordinatorExternalState->multiSyncApply(ops);
}
void DataReplicatorExternalStateImpl::_multiInitialSyncApply(const MultiApplier::Operations& ops,
const HostAndPort& source) {
_replicationCoordinatorExternalState->multiInitialSyncApply(ops, source);
}
ReplicationCoordinator* DataReplicatorExternalStateImpl::getReplicationCoordinator() const {
return _replicationCoordinator;
}
ReplicationCoordinatorExternalState*
DataReplicatorExternalStateImpl::getReplicationCoordinatorExternalState() const {
return _replicationCoordinatorExternalState;
}
} // namespace repl
} // namespace mongo
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