/*
* 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.ignite.internal.processors.hadoop.impl.igfs;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.Collection;
import java.util.Map;
import java.util.concurrent.Callable;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.FileSystemConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.igfs.IgfsGroupDataBlocksKeyMapper;
import org.apache.ignite.igfs.IgfsIpcEndpointConfiguration;
import org.apache.ignite.igfs.IgfsIpcEndpointType;
import org.apache.ignite.igfs.IgfsPath;
import org.apache.ignite.internal.IgniteKernal;
import org.apache.ignite.internal.igfs.common.IgfsLogger;
import org.apache.ignite.internal.processors.igfs.IgfsCommonAbstractTest;
import org.apache.ignite.internal.processors.igfs.IgfsContext;
import org.apache.ignite.internal.processors.igfs.IgfsProcessorAdapter;
import org.apache.ignite.internal.processors.igfs.IgfsServer;
import org.apache.ignite.internal.processors.igfs.IgfsServerHandler;
import org.apache.ignite.internal.processors.igfs.IgfsServerManager;
import org.apache.ignite.internal.util.typedef.F;
import org.apache.ignite.internal.util.typedef.G;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder;
import org.apache.ignite.testframework.GridTestUtils;
import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL;
import static org.apache.ignite.cache.CacheMode.PARTITIONED;
import static org.apache.ignite.cache.CacheMode.REPLICATED;
import static org.apache.ignite.cache.CacheWriteSynchronizationMode.FULL_SYNC;
import static org.apache.ignite.internal.util.ipc.shmem.IpcSharedMemoryServerEndpoint.DFLT_IPC_PORT;
/**
* Test interaction between a IGFS client and a IGFS server.
*/
public class IgniteHadoopFileSystemClientSelfTest extends IgfsCommonAbstractTest {
/** Logger. */
private static final Log LOG = LogFactory.getLog(IgniteHadoopFileSystemClientSelfTest.class);
/** {@inheritDoc} */
@Override protected void beforeTestsStarted() throws Exception {
startGrids(1);
}
/** {@inheritDoc} */
@Override protected void afterTestsStopped() throws Exception {
G.stopAll(true);
}
/** {@inheritDoc} */
@Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);
TcpDiscoverySpi discoSpi = new TcpDiscoverySpi();
discoSpi.setIpFinder(new TcpDiscoveryVmIpFinder(true));
cfg.setDiscoverySpi(discoSpi);
FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
igfsCfg.setDataCacheConfiguration(dataCacheConfiguration());
igfsCfg.setMetaCacheConfiguration(metaCacheConfiguration());
igfsCfg.setName("igfs");
igfsCfg.setBlockSize(512 * 1024);
IgfsIpcEndpointConfiguration endpointCfg = new IgfsIpcEndpointConfiguration();
endpointCfg.setType(IgfsIpcEndpointType.TCP);
endpointCfg.setPort(DFLT_IPC_PORT);
igfsCfg.setIpcEndpointConfiguration(endpointCfg);
cfg.setFileSystemConfiguration(igfsCfg);
return cfg;
}
/**
* Gets cache configuration.
*
* @return Cache configuration.
*/
protected CacheConfiguration dataCacheConfiguration() {
CacheConfiguration ccfg = defaultCacheConfiguration();
ccfg.setName("partitioned");
ccfg.setCacheMode(PARTITIONED);
ccfg.setNearConfiguration(null);
ccfg.setWriteSynchronizationMode(FULL_SYNC);
ccfg.setEvictionPolicy(null);
ccfg.setAffinityMapper(new IgfsGroupDataBlocksKeyMapper(128));
ccfg.setBackups(0);
ccfg.setAtomicityMode(TRANSACTIONAL);
return ccfg;
}
/**
* Gets cache configuration.
*
* @return Cache configuration.
*/
protected CacheConfiguration metaCacheConfiguration() {
CacheConfiguration ccfg = defaultCacheConfiguration();
ccfg.setName("replicated");
ccfg.setCacheMode(REPLICATED);
ccfg.setWriteSynchronizationMode(FULL_SYNC);
ccfg.setEvictionPolicy(null);
ccfg.setAtomicityMode(TRANSACTIONAL);
return ccfg;
}
/**
* Test output stream deferred exception (GG-4440).
*
* @throws Exception If failed.
*/
@SuppressWarnings("ThrowableResultOfMethodCallIgnored")
public void testOutputStreamDeferredException() throws Exception {
final byte[] data = "test".getBytes();
try {
switchHandlerErrorFlag(true);
HadoopIgfs client = new HadoopIgfsOutProc("127.0.0.1", 10500, "igfs", LOG, null);
client.handshake(null);
IgfsPath path = new IgfsPath("/test1.file");
HadoopIgfsStreamDelegate delegate = client.create(path, true, false, 1, 1024, null);
final HadoopIgfsOutputStream igfsOut = new HadoopIgfsOutputStream(delegate, LOG,
IgfsLogger.disabledLogger(), 0);
// This call should return fine as exception is thrown for the first time.
igfsOut.write(data);
U.sleep(500);
// This call should throw an IO exception.
GridTestUtils.assertThrows(null, new Callable<Object>() {
@Override public Object call() throws Exception {
igfsOut.write(data);
return null;
}
}, IOException.class, "Failed to write data to server (test).");
}
finally {
switchHandlerErrorFlag(false);
}
}
/**
* Set IGFS REST handler error flag to the given state.
*
* @param flag Flag state.
* @throws Exception If failed.
*/
@SuppressWarnings("ConstantConditions")
private void switchHandlerErrorFlag(boolean flag) throws Exception {
IgfsProcessorAdapter igfsProc = ((IgniteKernal)grid(0)).context().igfs();
Map<String, IgfsContext> igfsMap = getField(igfsProc, "igfsCache");
IgfsServerManager srvMgr = F.first(igfsMap.values()).server();
Collection<IgfsServer> srvrs = getField(srvMgr, "srvrs");
IgfsServerHandler igfsHnd = getField(F.first(srvrs), "hnd");
Field field = igfsHnd.getClass().getDeclaredField("errWrite");
field.setAccessible(true);
field.set(null, flag);
}
/**
* Get value of the field with the given name of the given object.
*
* @param obj Object.
* @param fieldName Field name.
* @return Value of the field.
* @throws Exception If failed.
*/
@SuppressWarnings("unchecked")
private <T> T getField(Object obj, String fieldName) throws Exception {
Field field = obj.getClass().getDeclaredField(fieldName);
field.setAccessible(true);
return (T)field.get(obj);
}
}