bookkeeper-server/src/test/java/org/apache/bookkeeper/test/BookieClientTest.java - bookkeeper - Git at Google

 package org.apache.bookkeeper.test;

 /*
  *
  * 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.
  *
  */

 import java.io.File;
 import java.net.InetSocketAddress;
 import java.nio.ByteBuffer;
 import java.util.Arrays;
 import java.util.concurrent.Executors;

 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.socket.ClientSocketChannelFactory;
 import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;
 import org.junit.Test;
 import org.apache.bookkeeper.conf.ClientConfiguration;
 import org.apache.bookkeeper.conf.ServerConfiguration;
 import org.apache.bookkeeper.client.BKException;
 import org.apache.bookkeeper.proto.BookieClient;
 import org.apache.bookkeeper.proto.BookieProtocol;
 import org.apache.bookkeeper.proto.BookieServer;
 import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadEntryCallback;
 import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.WriteCallback;
 import org.apache.bookkeeper.util.OrderedSafeExecutor;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 import junit.framework.TestCase;

 public class BookieClientTest extends TestCase {
     static Logger LOG = LoggerFactory.getLogger(BookieClientTest.class);
     BookieServer bs;
     File tmpDir;
     public int port = 13645;
     public ClientSocketChannelFactory channelFactory;
     public OrderedSafeExecutor executor;
     ServerConfiguration conf;

     @Override
     public void setUp() throws Exception {
         tmpDir = File.createTempFile("bookie", "test");
         tmpDir.delete();
         tmpDir.mkdir();

         // Since this test does not rely on the BookKeeper client needing to
         // know via ZooKeeper which Bookies are available, okay, so pass in null
         // for the zkServers input parameter when constructing the BookieServer.
         ServerConfiguration conf = new ServerConfiguration();
         conf.setZkServers(null).setBookiePort(port)
             .setJournalDirName(tmpDir.getPath())
             .setAllowLoopback(true)
             .setLedgerDirNames(new String[] { tmpDir.getPath() });
         bs = new BookieServer(conf);
         bs.start();
         channelFactory = new NioClientSocketChannelFactory(Executors.newCachedThreadPool(), Executors
                 .newCachedThreadPool());
         executor = new OrderedSafeExecutor(2);
     }

     @Override
     public void tearDown() throws Exception {
         bs.shutdown();
         recursiveDelete(tmpDir);
         channelFactory.releaseExternalResources();
         executor.shutdown();
     }

     private static void recursiveDelete(File dir) {
         File children[] = dir.listFiles();
         if (children != null) {
             for (File child : children) {
                 recursiveDelete(child);
             }
         }
         dir.delete();
     }

     static class ResultStruct {
         int rc;
         ByteBuffer entry;
     }

     ReadEntryCallback recb = new ReadEntryCallback() {

         public void readEntryComplete(int rc, long ledgerId, long entryId, ChannelBuffer bb, Object ctx) {
             ResultStruct rs = (ResultStruct) ctx;
             synchronized (rs) {
                 rs.rc = rc;
                 if (bb != null) {
                     bb.readerIndex(16);
                     rs.entry = bb.toByteBuffer();
                     rs.notifyAll();
                 }
             }
         }

     };

     WriteCallback wrcb = new WriteCallback() {
         public void writeComplete(int rc, long ledgerId, long entryId, InetSocketAddress addr, Object ctx) {
             if (ctx != null) {
                 synchronized (ctx) {
                     ctx.notifyAll();
                 }
             }
         }
     };

     @Test(timeout=60000)
     public void testWriteGaps() throws Exception {
         final Object notifyObject = new Object();
         byte[] passwd = new byte[20];
         Arrays.fill(passwd, (byte) 'a');
         InetSocketAddress addr = new InetSocketAddress("127.0.0.1", port);
         ResultStruct arc = new ResultStruct();

         BookieClient bc = new BookieClient(new ClientConfiguration(), channelFactory, executor);
         ChannelBuffer bb;
         bb = createByteBuffer(1, 1, 1);
         bc.addEntry(addr, 1, passwd, 1, bb, wrcb, arc, BookieProtocol.FLAG_NONE);
         synchronized (arc) {
             arc.wait(1000);
             bc.readEntry(addr, 1, 1, recb, arc);
             arc.wait(1000);
             assertEquals(0, arc.rc);
             assertEquals(1, arc.entry.getInt());
         }
         bb = createByteBuffer(2, 1, 2);
         bc.addEntry(addr, 1, passwd, 2, bb, wrcb, null, BookieProtocol.FLAG_NONE);
         bb = createByteBuffer(3, 1, 3);
         bc.addEntry(addr, 1, passwd, 3, bb, wrcb, null, BookieProtocol.FLAG_NONE);
         bb = createByteBuffer(5, 1, 5);
         bc.addEntry(addr, 1, passwd, 5, bb, wrcb, null, BookieProtocol.FLAG_NONE);
         bb = createByteBuffer(7, 1, 7);
         bc.addEntry(addr, 1, passwd, 7, bb, wrcb, null, BookieProtocol.FLAG_NONE);
         synchronized (notifyObject) {
             bb = createByteBuffer(11, 1, 11);
             bc.addEntry(addr, 1, passwd, 11, bb, wrcb, notifyObject, BookieProtocol.FLAG_NONE);
             notifyObject.wait();
         }
         synchronized (arc) {
             bc.readEntry(addr, 1, 6, recb, arc);
             arc.wait(1000);
             assertEquals(BKException.Code.NoSuchEntryException, arc.rc);
         }
         synchronized (arc) {
             bc.readEntry(addr, 1, 7, recb, arc);
             arc.wait(1000);
             assertEquals(0, arc.rc);
             assertEquals(7, arc.entry.getInt());
         }
         synchronized (arc) {
             bc.readEntry(addr, 1, 1, recb, arc);
             arc.wait(1000);
             assertEquals(0, arc.rc);
             assertEquals(1, arc.entry.getInt());
         }
         synchronized (arc) {
             bc.readEntry(addr, 1, 2, recb, arc);
             arc.wait(1000);
             assertEquals(0, arc.rc);
             assertEquals(2, arc.entry.getInt());
         }
         synchronized (arc) {
             bc.readEntry(addr, 1, 3, recb, arc);
             arc.wait(1000);
             assertEquals(0, arc.rc);
             assertEquals(3, arc.entry.getInt());
         }
         synchronized (arc) {
             bc.readEntry(addr, 1, 4, recb, arc);
             arc.wait(1000);
             assertEquals(BKException.Code.NoSuchEntryException, arc.rc);
         }
         synchronized (arc) {
             bc.readEntry(addr, 1, 11, recb, arc);
             arc.wait(1000);
             assertEquals(0, arc.rc);
             assertEquals(11, arc.entry.getInt());
         }
         synchronized (arc) {
             bc.readEntry(addr, 1, 5, recb, arc);
             arc.wait(1000);
             assertEquals(0, arc.rc);
             assertEquals(5, arc.entry.getInt());
         }
         synchronized (arc) {
             bc.readEntry(addr, 1, 10, recb, arc);
             arc.wait(1000);
             assertEquals(BKException.Code.NoSuchEntryException, arc.rc);
         }
         synchronized (arc) {
             bc.readEntry(addr, 1, 12, recb, arc);
             arc.wait(1000);
             assertEquals(BKException.Code.NoSuchEntryException, arc.rc);
         }
         synchronized (arc) {
             bc.readEntry(addr, 1, 13, recb, arc);
             arc.wait(1000);
             assertEquals(BKException.Code.NoSuchEntryException, arc.rc);
         }
     }

     private ChannelBuffer createByteBuffer(int i, long lid, long eid) {
         ByteBuffer bb;
         bb = ByteBuffer.allocate(4 + 16);
         bb.putLong(lid);
         bb.putLong(eid);
         bb.putInt(i);
         bb.flip();
         return ChannelBuffers.wrappedBuffer(bb);
     }

     @Test(timeout=60000)
     public void testNoLedger() throws Exception {
         ResultStruct arc = new ResultStruct();
         InetSocketAddress addr = new InetSocketAddress("127.0.0.1", port);
         BookieClient bc = new BookieClient(new ClientConfiguration(), channelFactory, executor);
         synchronized (arc) {
             bc.readEntry(addr, 2, 13, recb, arc);
             arc.wait(1000);
             assertEquals(BKException.Code.NoSuchEntryException, arc.rc);
         }
     }
 }
	package org.apache.bookkeeper.test;

	/*
	*
	* 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.
	*
	*/

	import java.io.File;
	import java.net.InetSocketAddress;
	import java.nio.ByteBuffer;
	import java.util.Arrays;
	import java.util.concurrent.Executors;

	import org.jboss.netty.buffer.ChannelBuffer;
	import org.jboss.netty.buffer.ChannelBuffers;
	import org.jboss.netty.channel.socket.ClientSocketChannelFactory;
	import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;
	import org.junit.Test;
	import org.apache.bookkeeper.conf.ClientConfiguration;
	import org.apache.bookkeeper.conf.ServerConfiguration;
	import org.apache.bookkeeper.client.BKException;
	import org.apache.bookkeeper.proto.BookieClient;
	import org.apache.bookkeeper.proto.BookieProtocol;
	import org.apache.bookkeeper.proto.BookieServer;
	import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadEntryCallback;
	import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.WriteCallback;
	import org.apache.bookkeeper.util.OrderedSafeExecutor;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	import junit.framework.TestCase;

	public class BookieClientTest extends TestCase {
	static Logger LOG = LoggerFactory.getLogger(BookieClientTest.class);
	BookieServer bs;
	File tmpDir;
	public int port = 13645;
	public ClientSocketChannelFactory channelFactory;
	public OrderedSafeExecutor executor;
	ServerConfiguration conf;

	@Override
	public void setUp() throws Exception {
	tmpDir = File.createTempFile("bookie", "test");
	tmpDir.delete();
	tmpDir.mkdir();

	// Since this test does not rely on the BookKeeper client needing to
	// know via ZooKeeper which Bookies are available, okay, so pass in null
	// for the zkServers input parameter when constructing the BookieServer.
	ServerConfiguration conf = new ServerConfiguration();
	conf.setZkServers(null).setBookiePort(port)
	.setJournalDirName(tmpDir.getPath())
	.setAllowLoopback(true)
	.setLedgerDirNames(new String[] { tmpDir.getPath() });
	bs = new BookieServer(conf);
	bs.start();
	channelFactory = new NioClientSocketChannelFactory(Executors.newCachedThreadPool(), Executors
	.newCachedThreadPool());
	executor = new OrderedSafeExecutor(2);
	}

	@Override
	public void tearDown() throws Exception {
	bs.shutdown();
	recursiveDelete(tmpDir);
	channelFactory.releaseExternalResources();
	executor.shutdown();
	}

	private static void recursiveDelete(File dir) {
	File children[] = dir.listFiles();
	if (children != null) {
	for (File child : children) {
	recursiveDelete(child);
	}
	}
	dir.delete();
	}

	static class ResultStruct {
	int rc;
	ByteBuffer entry;
	}

	ReadEntryCallback recb = new ReadEntryCallback() {

	public void readEntryComplete(int rc, long ledgerId, long entryId, ChannelBuffer bb, Object ctx) {
	ResultStruct rs = (ResultStruct) ctx;
	synchronized (rs) {
	rs.rc = rc;
	if (bb != null) {
	bb.readerIndex(16);
	rs.entry = bb.toByteBuffer();
	rs.notifyAll();
	}
	}
	}

	};

	WriteCallback wrcb = new WriteCallback() {
	public void writeComplete(int rc, long ledgerId, long entryId, InetSocketAddress addr, Object ctx) {
	if (ctx != null) {
	synchronized (ctx) {
	ctx.notifyAll();
	}
	}
	}
	};

	@Test(timeout=60000)
	public void testWriteGaps() throws Exception {
	final Object notifyObject = new Object();
	byte[] passwd = new byte[20];
	Arrays.fill(passwd, (byte) 'a');
	InetSocketAddress addr = new InetSocketAddress("127.0.0.1", port);
	ResultStruct arc = new ResultStruct();

	BookieClient bc = new BookieClient(new ClientConfiguration(), channelFactory, executor);
	ChannelBuffer bb;
	bb = createByteBuffer(1, 1, 1);
	bc.addEntry(addr, 1, passwd, 1, bb, wrcb, arc, BookieProtocol.FLAG_NONE);
	synchronized (arc) {
	arc.wait(1000);
	bc.readEntry(addr, 1, 1, recb, arc);
	arc.wait(1000);
	assertEquals(0, arc.rc);
	assertEquals(1, arc.entry.getInt());
	}
	bb = createByteBuffer(2, 1, 2);
	bc.addEntry(addr, 1, passwd, 2, bb, wrcb, null, BookieProtocol.FLAG_NONE);
	bb = createByteBuffer(3, 1, 3);
	bc.addEntry(addr, 1, passwd, 3, bb, wrcb, null, BookieProtocol.FLAG_NONE);
	bb = createByteBuffer(5, 1, 5);
	bc.addEntry(addr, 1, passwd, 5, bb, wrcb, null, BookieProtocol.FLAG_NONE);
	bb = createByteBuffer(7, 1, 7);
	bc.addEntry(addr, 1, passwd, 7, bb, wrcb, null, BookieProtocol.FLAG_NONE);
	synchronized (notifyObject) {
	bb = createByteBuffer(11, 1, 11);
	bc.addEntry(addr, 1, passwd, 11, bb, wrcb, notifyObject, BookieProtocol.FLAG_NONE);
	notifyObject.wait();
	}
	synchronized (arc) {
	bc.readEntry(addr, 1, 6, recb, arc);
	arc.wait(1000);
	assertEquals(BKException.Code.NoSuchEntryException, arc.rc);
	}
	synchronized (arc) {
	bc.readEntry(addr, 1, 7, recb, arc);
	arc.wait(1000);
	assertEquals(0, arc.rc);
	assertEquals(7, arc.entry.getInt());
	}
	synchronized (arc) {
	bc.readEntry(addr, 1, 1, recb, arc);
	arc.wait(1000);
	assertEquals(0, arc.rc);
	assertEquals(1, arc.entry.getInt());
	}
	synchronized (arc) {
	bc.readEntry(addr, 1, 2, recb, arc);
	arc.wait(1000);
	assertEquals(0, arc.rc);
	assertEquals(2, arc.entry.getInt());
	}
	synchronized (arc) {
	bc.readEntry(addr, 1, 3, recb, arc);
	arc.wait(1000);
	assertEquals(0, arc.rc);
	assertEquals(3, arc.entry.getInt());
	}
	synchronized (arc) {
	bc.readEntry(addr, 1, 4, recb, arc);
	arc.wait(1000);
	assertEquals(BKException.Code.NoSuchEntryException, arc.rc);
	}
	synchronized (arc) {
	bc.readEntry(addr, 1, 11, recb, arc);
	arc.wait(1000);
	assertEquals(0, arc.rc);
	assertEquals(11, arc.entry.getInt());
	}
	synchronized (arc) {
	bc.readEntry(addr, 1, 5, recb, arc);
	arc.wait(1000);
	assertEquals(0, arc.rc);
	assertEquals(5, arc.entry.getInt());
	}
	synchronized (arc) {
	bc.readEntry(addr, 1, 10, recb, arc);
	arc.wait(1000);
	assertEquals(BKException.Code.NoSuchEntryException, arc.rc);
	}
	synchronized (arc) {
	bc.readEntry(addr, 1, 12, recb, arc);
	arc.wait(1000);
	assertEquals(BKException.Code.NoSuchEntryException, arc.rc);
	}
	synchronized (arc) {
	bc.readEntry(addr, 1, 13, recb, arc);
	arc.wait(1000);
	assertEquals(BKException.Code.NoSuchEntryException, arc.rc);
	}
	}

	private ChannelBuffer createByteBuffer(int i, long lid, long eid) {
	ByteBuffer bb;
	bb = ByteBuffer.allocate(4 + 16);
	bb.putLong(lid);
	bb.putLong(eid);
	bb.putInt(i);
	bb.flip();
	return ChannelBuffers.wrappedBuffer(bb);
	}

	@Test(timeout=60000)
	public void testNoLedger() throws Exception {
	ResultStruct arc = new ResultStruct();
	InetSocketAddress addr = new InetSocketAddress("127.0.0.1", port);
	BookieClient bc = new BookieClient(new ClientConfiguration(), channelFactory, executor);
	synchronized (arc) {
	bc.readEntry(addr, 2, 13, recb, arc);
	arc.wait(1000);
	assertEquals(BKException.Code.NoSuchEntryException, arc.rc);
	}
	}
	}