/*
* Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.netconf.sal.connect.netconf.sal.tx;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import java.util.ArrayList;
import java.util.List;
import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
import org.opendaylight.netconf.sal.connect.netconf.util.NetconfBaseOps;
import org.opendaylight.netconf.sal.connect.netconf.util.NetconfRpcFutureCallback;
import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.data.api.ModifyAction;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Tx implementation for netconf devices that support only writable-running with no candidate
* The sequence goes as:
*
* - Lock running datastore on tx construction
*
* - Lock has to succeed, if it does not, transaction is failed
*
*
* - Edit-config in running N times
*
* - If any issue occurs during edit, datastore is unlocked and an exception is thrown
*
*
* - Unlock running datastore on tx commit
*
*/
public class WriteRunningTx extends AbstractWriteTx {
private static final Logger LOG = LoggerFactory.getLogger(WriteRunningTx.class);
private final List changes = new ArrayList<>();
public WriteRunningTx(final RemoteDeviceId id, final NetconfBaseOps netOps,
final boolean rollbackSupport) {
super(netOps, id, rollbackSupport);
}
@Override
protected synchronized void init() {
lock();
}
private void lock() {
resultsFutures.add(netOps.lockRunning(new NetconfRpcFutureCallback("Lock running", id)));
}
@Override
protected void cleanup() {
unlock();
}
@Override
public synchronized CheckedFuture submit() {
final ListenableFuture commmitFutureAsVoid = Futures.transform(commit(), new Function, Void>() {
@Override
public Void apply(final RpcResult input) {
return null;
}
});
return Futures.makeChecked(commmitFutureAsVoid, new Function() {
@Override
public TransactionCommitFailedException apply(final Exception input) {
return new TransactionCommitFailedException("Submit of transaction " + getIdentifier() + " failed", input);
}
});
}
@Override
public synchronized ListenableFuture> performCommit() {
for (final Change change : changes) {
resultsFutures.add(change.execute(id, netOps, rollbackSupport));
}
unlock();
return resultsToTxStatus();
}
@Override
protected void editConfig(final YangInstanceIdentifier path,
final Optional> data,
final DataContainerChild, ?> editStructure,
final Optional defaultOperation,
final String operation) {
changes.add(new Change(editStructure, defaultOperation));
}
private void unlock() {
netOps.unlockRunning(new NetconfRpcFutureCallback("Unlock running", id));
}
private static class Change {
private final DataContainerChild, ?> editStructure;
private final Optional defaultOperation;
private Change(final DataContainerChild, ?> editStructure, final Optional defaultOperation) {
this.editStructure = editStructure;
this.defaultOperation = defaultOperation;
}
private ListenableFuture execute(final RemoteDeviceId id, final NetconfBaseOps netOps,
final boolean rollbackSupport) {
final NetconfRpcFutureCallback editConfigCallback = new NetconfRpcFutureCallback("Edit running", id);
if (defaultOperation.isPresent()) {
return netOps.editConfigRunning(editConfigCallback, editStructure, defaultOperation.get(), rollbackSupport);
} else {
return netOps.editConfigRunning(editConfigCallback, editStructure, rollbackSupport);
}
}
}
}