// 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.
package org.apache.cloudstack.storage.datastore.driver;
import java.util.Map;
import javax.inject.Inject;
import org.apache.log4j.Logger;
import org.apache.cloudstack.engine.subsystem.api.storage.ChapInfo;
import org.apache.cloudstack.engine.subsystem.api.storage.CopyCommandResult;
import org.apache.cloudstack.engine.subsystem.api.storage.CreateCmdResult;
import org.apache.cloudstack.engine.subsystem.api.storage.DataObject;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStore;
import org.apache.cloudstack.engine.subsystem.api.storage.EndPoint;
import org.apache.cloudstack.engine.subsystem.api.storage.EndPointSelector;
import org.apache.cloudstack.engine.subsystem.api.storage.PrimaryDataStoreDriver;
import org.apache.cloudstack.engine.subsystem.api.storage.SnapshotInfo;
import org.apache.cloudstack.engine.subsystem.api.storage.TemplateInfo;
import org.apache.cloudstack.framework.async.AsyncCallbackDispatcher;
import org.apache.cloudstack.framework.async.AsyncCompletionCallback;
import org.apache.cloudstack.framework.async.AsyncRpcContext;
import org.apache.cloudstack.storage.command.CommandResult;
import org.apache.cloudstack.storage.command.CreateObjectCommand;
import org.apache.cloudstack.storage.datastore.DataObjectManager;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.to.DataStoreTO;
import com.cloud.agent.api.to.DataTO;
import com.cloud.host.Host;
import com.cloud.storage.StoragePool;
import com.cloud.storage.dao.StoragePoolHostDao;
import com.cloud.utils.exception.CloudRuntimeException;
public class SamplePrimaryDataStoreDriverImpl implements PrimaryDataStoreDriver {
private static final Logger s_logger = Logger.getLogger(SamplePrimaryDataStoreDriverImpl.class);
@Inject
EndPointSelector selector;
@Inject
StoragePoolHostDao storeHostDao;
@Inject
DataObjectManager dataObjMgr;
public SamplePrimaryDataStoreDriverImpl() {
}
@Override
public Map<String, String> getCapabilities() {
return null;
}
@Override
public DataTO getTO(DataObject data) {
return null;
}
@Override
public DataStoreTO getStoreTO(DataStore store) {
return null;
}
@Override
public ChapInfo getChapInfo(DataObject dataObject) {
return null;
}
@Override
public boolean grantAccess(DataObject dataObject, Host host, DataStore dataStore) { return false; }
@Override
public void revokeAccess(DataObject dataObject, Host host, DataStore dataStore) {}
@Override
public long getUsedBytes(StoragePool storagePool) {
return 0;
}
@Override
public long getUsedIops(StoragePool storagePool) {
return 0;
}
@Override
public long getDataObjectSizeIncludingHypervisorSnapshotReserve(DataObject dataObject, StoragePool pool) {
return dataObject.getSize();
}
@Override
public long getBytesRequiredForTemplate(TemplateInfo templateInfo, StoragePool storagePool) {
return 0;
}
private class CreateVolumeContext<T> extends AsyncRpcContext<T> {
public CreateVolumeContext(AsyncCompletionCallback<T> callback, DataObject volume) {
super(callback);
}
}
public Void createAsyncCallback(AsyncCallbackDispatcher<SamplePrimaryDataStoreDriverImpl, Answer> callback, CreateVolumeContext<CreateCmdResult> context) {
/*
* CreateCmdResult result = null; CreateObjectAnswer volAnswer =
* (CreateObjectAnswer) callback.getResult(); if (volAnswer.getResult())
* { result = new CreateCmdResult(volAnswer.getPath(), volAnswer); }
* else { result = new CreateCmdResult("", null);
* result.setResult(volAnswer.getDetails()); }
*
* context.getParentCallback().complete(result);
*/
return null;
}
@Override
public void deleteAsync(DataStore dataStore, DataObject vo, AsyncCompletionCallback<CommandResult> callback) {
/*
* DeleteCommand cmd = new DeleteCommand(vo.getUri());
*
* EndPoint ep = selector.select(vo); AsyncRpcContext<CommandResult>
* context = new AsyncRpcContext<CommandResult>(callback);
* AsyncCallbackDispatcher<SamplePrimaryDataStoreDriverImpl, Answer>
* caller = AsyncCallbackDispatcher.create(this);
* caller.setCallback(caller.getTarget().deleteCallback(null, null))
* .setContext(context); ep.sendMessageAsync(cmd, caller);
*/
}
public Void deleteCallback(AsyncCallbackDispatcher<SamplePrimaryDataStoreDriverImpl, Answer> callback, AsyncRpcContext<CommandResult> context) {
CommandResult result = new CommandResult();
Answer answer = callback.getResult();
if (!answer.getResult()) {
result.setResult(answer.getDetails());
}
context.getParentCallback().complete(result);
return null;
}
/*
* private class CreateVolumeFromBaseImageContext<T> extends
* AsyncRpcContext<T> { private final VolumeObject volume;
*
* public CreateVolumeFromBaseImageContext(AsyncCompletionCallback<T>
* callback, VolumeObject volume) { super(callback); this.volume = volume; }
*
* public VolumeObject getVolume() { return this.volume; }
*
* }
*
* @Override public void createVolumeFromBaseImageAsync(VolumeObject volume,
* TemplateInfo template, AsyncCompletionCallback<CommandResult> callback) {
* VolumeTO vol = this.dataStore.getVolumeTO(volume); List<EndPoint>
* endPoints = this.dataStore.getEndPoints(); EndPoint ep =
* endPoints.get(0); String templateUri =
* template.getDataStore().grantAccess(template, ep);
* CreateVolumeFromBaseImageCommand cmd = new
* CreateVolumeFromBaseImageCommand(vol, templateUri);
*
* CreateVolumeFromBaseImageContext<CommandResult> context = new
* CreateVolumeFromBaseImageContext<CommandResult>(callback, volume);
* AsyncCallbackDispatcher<DefaultPrimaryDataStoreDriverImpl, Answer> caller
* = AsyncCallbackDispatcher.create(this); caller.setContext(context)
* .setCallback
* (caller.getTarget().createVolumeFromBaseImageAsyncCallback(null, null));
*
* ep.sendMessageAsync(cmd, caller); }
*/
/*
* public Object
* createVolumeFromBaseImageAsyncCallback(AsyncCallbackDispatcher
* <DefaultPrimaryDataStoreDriverImpl, Answer> callback,
* CreateVolumeFromBaseImageContext<CommandResult> context) {
* CreateVolumeAnswer answer = (CreateVolumeAnswer)callback.getResult();
* CommandResult result = new CommandResult(); if (answer == null ||
* answer.getDetails() != null) { result.setSuccess(false); if (answer !=
* null) { result.setResult(answer.getDetails()); } } else {
* result.setSuccess(true); VolumeObject volume = context.getVolume();
* volume.setPath(answer.getVolumeUuid()); }
* AsyncCompletionCallback<CommandResult> parentCall =
* context.getParentCallback(); parentCall.complete(result); return null; }
*/
@Override
public void createAsync(DataStore dataStore, DataObject vol, AsyncCompletionCallback<CreateCmdResult> callback) {
EndPoint ep = selector.select(vol);
if (ep == null) {
String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
s_logger.error(errMsg);
throw new CloudRuntimeException(errMsg);
}
CreateObjectCommand createCmd = new CreateObjectCommand(null);
CreateVolumeContext<CreateCmdResult> context = new CreateVolumeContext<CreateCmdResult>(callback, vol);
AsyncCallbackDispatcher<SamplePrimaryDataStoreDriverImpl, Answer> caller = AsyncCallbackDispatcher.create(this);
caller.setContext(context).setCallback(caller.getTarget().createAsyncCallback(null, null));
ep.sendMessageAsync(createCmd, caller);
}
@Override
public void revertSnapshot(SnapshotInfo snapshot, SnapshotInfo snapshotOnPrimaryStore, AsyncCompletionCallback<CommandResult> callback) {
}
@Override
public boolean canCopy(DataObject srcData, DataObject destData) {
return false;
}
@Override
public void copyAsync(DataObject srcdata, DataObject destData, AsyncCompletionCallback<CopyCommandResult> callback) {
}
@Override
public void resize(DataObject data, AsyncCompletionCallback<CreateCmdResult> callback) {
}
@Override
public void takeSnapshot(SnapshotInfo snapshot, AsyncCompletionCallback<CreateCmdResult> callback) {
}
}