| /* |
| * 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.cassandra.net; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.FileChannel; |
| import java.nio.file.Files; |
| import java.util.Random; |
| |
| import org.apache.cassandra.io.util.File; |
| import org.junit.Test; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.channel.embedded.EmbeddedChannel; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.streaming.StreamManager; |
| import org.apache.cassandra.utils.FBUtilities; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| public class AsyncStreamingOutputPlusTest |
| { |
| |
| static |
| { |
| DatabaseDescriptor.daemonInitialization(); |
| } |
| |
| @Test |
| public void testSuccess() throws IOException |
| { |
| EmbeddedChannel channel = new TestChannel(4); |
| ByteBuf read; |
| try (AsyncStreamingOutputPlus out = new AsyncStreamingOutputPlus(channel)) |
| { |
| out.writeInt(1); |
| assertEquals(0, out.flushed()); |
| assertEquals(0, out.flushedToNetwork()); |
| assertEquals(4, out.position()); |
| |
| out.doFlush(0); |
| assertEquals(4, out.flushed()); |
| assertEquals(4, out.flushedToNetwork()); |
| |
| out.writeInt(2); |
| assertEquals(8, out.position()); |
| assertEquals(4, out.flushed()); |
| assertEquals(4, out.flushedToNetwork()); |
| |
| out.doFlush(0); |
| assertEquals(8, out.position()); |
| assertEquals(8, out.flushed()); |
| assertEquals(4, out.flushedToNetwork()); |
| |
| read = channel.readOutbound(); |
| assertEquals(4, read.readableBytes()); |
| assertEquals(1, read.getInt(0)); |
| assertEquals(8, out.flushed()); |
| assertEquals(8, out.flushedToNetwork()); |
| |
| read = channel.readOutbound(); |
| assertEquals(4, read.readableBytes()); |
| assertEquals(2, read.getInt(0)); |
| |
| out.write(new byte[16]); |
| assertEquals(24, out.position()); |
| assertEquals(8, out.flushed()); |
| assertEquals(8, out.flushedToNetwork()); |
| |
| out.doFlush(0); |
| assertEquals(24, out.position()); |
| assertEquals(24, out.flushed()); |
| assertEquals(24, out.flushedToNetwork()); |
| |
| read = channel.readOutbound(); |
| assertEquals(16, read.readableBytes()); |
| assertEquals(0, read.getLong(0)); |
| assertEquals(0, read.getLong(8)); |
| assertEquals(24, out.position()); |
| assertEquals(24, out.flushed()); |
| assertEquals(24, out.flushedToNetwork()); |
| |
| out.writeToChannel(alloc -> { |
| ByteBuffer buffer = alloc.get(16); |
| buffer.putLong(1); |
| buffer.putLong(2); |
| buffer.flip(); |
| }, StreamManager.getRateLimiter(FBUtilities.getBroadcastAddressAndPort())); |
| |
| assertEquals(40, out.position()); |
| assertEquals(40, out.flushed()); |
| assertEquals(40, out.flushedToNetwork()); |
| |
| read = channel.readOutbound(); |
| assertEquals(16, read.readableBytes()); |
| assertEquals(1, read.getLong(0)); |
| assertEquals(2, read.getLong(8)); |
| } |
| } |
| |
| @Test |
| public void testWriteFileToChannelEntireSSTableNoThrottling() throws IOException |
| { |
| // Disable throttling by setting entire SSTable throughput and entire SSTable inter-DC throughput to 0 |
| DatabaseDescriptor.setEntireSSTableStreamThroughputOutboundMebibytesPerSec(0); |
| DatabaseDescriptor.setEntireSSTableInterDCStreamThroughputOutboundMebibytesPerSec(0); |
| StreamManager.StreamRateLimiter.updateEntireSSTableThroughput(); |
| StreamManager.StreamRateLimiter.updateEntireSSTableInterDCThroughput(); |
| |
| testWriteFileToChannel(true); |
| } |
| |
| @Test |
| public void testWriteFileToChannelEntireSSTable() throws IOException |
| { |
| // Enable entire SSTable throttling by setting it to 200 Mbps |
| DatabaseDescriptor.setEntireSSTableStreamThroughputOutboundMebibytesPerSec(200); |
| DatabaseDescriptor.setEntireSSTableInterDCStreamThroughputOutboundMebibytesPerSec(200); |
| StreamManager.StreamRateLimiter.updateEntireSSTableThroughput(); |
| StreamManager.StreamRateLimiter.updateEntireSSTableInterDCThroughput(); |
| |
| testWriteFileToChannel(true); |
| } |
| |
| @Test |
| public void testWriteFileToChannelSSL() throws IOException |
| { |
| testWriteFileToChannel(false); |
| } |
| |
| private void testWriteFileToChannel(boolean zeroCopy) throws IOException |
| { |
| File file = populateTempData("zero_copy_" + zeroCopy); |
| int length = (int) file.length(); |
| |
| EmbeddedChannel channel = new TestChannel(4); |
| StreamManager.StreamRateLimiter limiter = zeroCopy ? StreamManager.getEntireSSTableRateLimiter(FBUtilities.getBroadcastAddressAndPort()) |
| : StreamManager.getRateLimiter(FBUtilities.getBroadcastAddressAndPort()); |
| |
| try (FileChannel fileChannel = file.newReadChannel(); |
| AsyncStreamingOutputPlus out = new AsyncStreamingOutputPlus(channel)) |
| { |
| assertTrue(fileChannel.isOpen()); |
| |
| if (zeroCopy) |
| out.writeFileToChannelZeroCopy(fileChannel, limiter, length, length, length * 2); |
| else |
| out.writeFileToChannel(fileChannel, limiter, length); |
| |
| assertEquals(length, out.flushed()); |
| assertEquals(length, out.flushedToNetwork()); |
| assertEquals(length, out.position()); |
| |
| assertFalse(fileChannel.isOpen()); |
| } |
| } |
| |
| private File populateTempData(String name) throws IOException |
| { |
| File file = new File(Files.createTempFile(name, ".txt")); |
| file.deleteOnExit(); |
| |
| Random r = new Random(); |
| byte [] content = new byte[16]; |
| r.nextBytes(content); |
| Files.write(file.toPath(), content); |
| |
| return file; |
| } |
| } |