| /* |
| * 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.bookkeeper.proto; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.mockito.ArgumentMatchers.same; |
| import static org.mockito.Mockito.doAnswer; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import com.google.protobuf.ByteString; |
| import io.netty.buffer.ByteBuf; |
| import io.netty.channel.Channel; |
| import io.netty.channel.ChannelPromise; |
| import io.netty.channel.DefaultChannelPromise; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.atomic.AtomicReference; |
| import org.apache.bookkeeper.bookie.Bookie; |
| import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.WriteCallback; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.AddRequest; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.OperationType; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.ProtocolVersion; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.Request; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.Response; |
| import org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode; |
| import org.apache.bookkeeper.stats.NullStatsLogger; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Unit test {@link WriteEntryProcessor}. |
| */ |
| public class WriteEntryProcessorV3Test { |
| |
| private Request request; |
| private WriteEntryProcessorV3 processor; |
| private Channel channel; |
| private BookieRequestProcessor requestProcessor; |
| private Bookie bookie; |
| |
| @Before |
| public void setup() { |
| request = Request.newBuilder() |
| .setHeader(BKPacketHeader.newBuilder() |
| .setTxnId(System.currentTimeMillis()) |
| .setVersion(ProtocolVersion.VERSION_THREE) |
| .setOperation(OperationType.ADD_ENTRY) |
| .build()) |
| .setAddRequest(AddRequest.newBuilder() |
| .setLedgerId(System.currentTimeMillis()) |
| .setEntryId(System.currentTimeMillis() + 1) |
| .setBody(ByteString.copyFromUtf8("test-entry-data")) |
| .setMasterKey(ByteString.copyFrom(new byte[0])) |
| .build()) |
| .build(); |
| channel = mock(Channel.class); |
| bookie = mock(Bookie.class); |
| requestProcessor = mock(BookieRequestProcessor.class); |
| when(requestProcessor.getBookie()).thenReturn(bookie); |
| when(requestProcessor.getWaitTimeoutOnBackpressureMillis()).thenReturn(-1L); |
| when(requestProcessor.getRequestStats()).thenReturn(new RequestStats(NullStatsLogger.INSTANCE)); |
| processor = new WriteEntryProcessorV3( |
| request, |
| channel, |
| requestProcessor); |
| } |
| |
| private void reinitRequest(int priority) { |
| request = Request.newBuilder(request) |
| .setHeader(BKPacketHeader.newBuilder(request.getHeader()) |
| .setPriority(priority) |
| .build()) |
| .build(); |
| |
| processor = new WriteEntryProcessorV3( |
| request, |
| channel, |
| requestProcessor); |
| } |
| |
| @Test |
| public void testNoneHighPriorityWritesOnReadOnlyBookie() throws Exception { |
| when(bookie.isReadOnly()).thenReturn(true); |
| when(channel.voidPromise()).thenReturn(mock(ChannelPromise.class)); |
| |
| ChannelPromise promise = new DefaultChannelPromise(channel); |
| AtomicReference<Object> writtenObject = new AtomicReference<>(); |
| CountDownLatch latch = new CountDownLatch(1); |
| doAnswer(invocationOnMock -> { |
| writtenObject.set(invocationOnMock.getArgument(0)); |
| latch.countDown(); |
| return promise; |
| }).when(channel).writeAndFlush(any()); |
| |
| processor.run(); |
| |
| verify(channel, times(1)).writeAndFlush(any(Response.class)); |
| |
| latch.await(); |
| |
| assertTrue(writtenObject.get() instanceof Response); |
| Response response = (Response) writtenObject.get(); |
| assertEquals(StatusCode.EREADONLY, response.getStatus()); |
| } |
| |
| @Test |
| public void testHighPriorityWritesOnReadOnlyBookieWhenHighPriorityWritesDisallowed() throws Exception { |
| reinitRequest(100); |
| |
| when(bookie.isReadOnly()).thenReturn(true); |
| when(bookie.isAvailableForHighPriorityWrites()).thenReturn(false); |
| when(channel.voidPromise()).thenReturn(mock(ChannelPromise.class)); |
| |
| ChannelPromise promise = new DefaultChannelPromise(channel); |
| AtomicReference<Object> writtenObject = new AtomicReference<>(); |
| CountDownLatch latch = new CountDownLatch(1); |
| doAnswer(invocationOnMock -> { |
| writtenObject.set(invocationOnMock.getArgument(0)); |
| latch.countDown(); |
| return promise; |
| }).when(channel).writeAndFlush(any()); |
| |
| processor.run(); |
| |
| verify(channel, times(1)).writeAndFlush(any(Response.class)); |
| |
| latch.await(); |
| |
| assertTrue(writtenObject.get() instanceof Response); |
| Response response = (Response) writtenObject.get(); |
| assertEquals(StatusCode.EREADONLY, response.getStatus()); |
| } |
| |
| @Test |
| public void testHighPriorityWritesOnReadOnlyBookieWhenHighPriorityWritesAllowed() throws Exception { |
| reinitRequest(BookieProtocol.FLAG_HIGH_PRIORITY); |
| |
| when(bookie.isReadOnly()).thenReturn(true); |
| when(bookie.isAvailableForHighPriorityWrites()).thenReturn(true); |
| when(channel.voidPromise()).thenReturn(mock(ChannelPromise.class)); |
| |
| doAnswer(invocationOnMock -> { |
| WriteCallback wc = invocationOnMock.getArgument(2); |
| |
| wc.writeComplete( |
| 0, |
| request.getAddRequest().getLedgerId(), |
| request.getAddRequest().getEntryId(), |
| null, |
| null); |
| return null; |
| }).when(bookie).addEntry( |
| any(ByteBuf.class), |
| eq(false), |
| any(WriteCallback.class), |
| same(channel), |
| eq(new byte[0])); |
| |
| ChannelPromise promise = new DefaultChannelPromise(channel); |
| AtomicReference<Object> writtenObject = new AtomicReference<>(); |
| CountDownLatch latch = new CountDownLatch(1); |
| doAnswer(invocationOnMock -> { |
| writtenObject.set(invocationOnMock.getArgument(0)); |
| latch.countDown(); |
| return promise; |
| }).when(channel).writeAndFlush(any()); |
| |
| processor.run(); |
| |
| verify(bookie, times(1)) |
| .addEntry(any(ByteBuf.class), eq(false), any(WriteCallback.class), same(channel), eq(new byte[0])); |
| verify(channel, times(1)).writeAndFlush(any(Response.class)); |
| |
| latch.await(); |
| |
| assertTrue(writtenObject.get() instanceof Response); |
| Response response = (Response) writtenObject.get(); |
| assertEquals(StatusCode.EOK, response.getStatus()); |
| } |
| |
| @Test |
| public void testNormalWritesOnWritableBookie() throws Exception { |
| when(bookie.isReadOnly()).thenReturn(false); |
| when(channel.voidPromise()).thenReturn(mock(ChannelPromise.class)); |
| when(channel.writeAndFlush(any())).thenReturn(mock(ChannelPromise.class)); |
| doAnswer(invocationOnMock -> { |
| WriteCallback wc = invocationOnMock.getArgument(2); |
| |
| wc.writeComplete( |
| 0, |
| request.getAddRequest().getLedgerId(), |
| request.getAddRequest().getEntryId(), |
| null, |
| null); |
| return null; |
| }).when(bookie).addEntry( |
| any(ByteBuf.class), eq(false), any(WriteCallback.class), same(channel), eq(new byte[0])); |
| |
| ChannelPromise promise = new DefaultChannelPromise(channel); |
| AtomicReference<Object> writtenObject = new AtomicReference<>(); |
| CountDownLatch latch = new CountDownLatch(1); |
| doAnswer(invocationOnMock -> { |
| writtenObject.set(invocationOnMock.getArgument(0)); |
| latch.countDown(); |
| return promise; |
| }).when(channel).writeAndFlush(any()); |
| |
| processor.run(); |
| |
| verify(bookie, times(1)) |
| .addEntry(any(ByteBuf.class), eq(false), any(WriteCallback.class), same(channel), eq(new byte[0])); |
| verify(channel, times(1)).writeAndFlush(any(Response.class)); |
| |
| latch.await(); |
| |
| assertTrue(writtenObject.get() instanceof Response); |
| Response response = (Response) writtenObject.get(); |
| assertEquals(StatusCode.EOK, response.getStatus()); |
| } |
| |
| @Test |
| public void testWritesWithClientNotAcceptingReponses() throws Exception { |
| when(requestProcessor.getWaitTimeoutOnBackpressureMillis()).thenReturn(5L); |
| |
| doAnswer(invocationOnMock -> { |
| Channel ch = invocationOnMock.getArgument(0); |
| ch.close(); |
| return null; |
| }).when(requestProcessor).handleNonWritableChannel(any()); |
| |
| when(channel.isWritable()).thenReturn(false); |
| |
| when(bookie.isReadOnly()).thenReturn(false); |
| when(channel.voidPromise()).thenReturn(mock(ChannelPromise.class)); |
| when(channel.writeAndFlush(any())).thenReturn(mock(ChannelPromise.class)); |
| doAnswer(invocationOnMock -> { |
| WriteCallback wc = invocationOnMock.getArgument(2); |
| |
| wc.writeComplete( |
| 0, |
| request.getAddRequest().getLedgerId(), |
| request.getAddRequest().getEntryId(), |
| null, |
| null); |
| return null; |
| }).when(bookie).addEntry( |
| any(ByteBuf.class), eq(false), any(WriteCallback.class), same(channel), eq(new byte[0])); |
| |
| processor.run(); |
| |
| verify(bookie, times(1)) |
| .addEntry(any(ByteBuf.class), eq(false), any(WriteCallback.class), same(channel), eq(new byte[0])); |
| verify(requestProcessor, times(1)).handleNonWritableChannel(channel); |
| verify(channel, times(0)).writeAndFlush(any(Response.class)); |
| verify(channel, times(1)).close(); |
| } |
| |
| } |