| /* |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.core5.http.nio.support.classic; |
| |
| import java.nio.ByteBuffer; |
| import java.nio.charset.Charset; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Random; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| |
| import org.apache.hc.core5.http.nio.CapacityChannel; |
| import org.apache.hc.core5.util.Timeout; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.mockito.ArgumentMatchers; |
| import org.mockito.Mockito; |
| |
| public class TestSharedInputBuffer { |
| |
| private static final Timeout TIMEOUT = Timeout.ofSeconds(30); |
| |
| @Test |
| public void testBasis() throws Exception { |
| |
| final Charset charset = StandardCharsets.US_ASCII; |
| final SharedInputBuffer inputBuffer = new SharedInputBuffer(10); |
| inputBuffer.fill(charset.encode("1234567890")); |
| Assert.assertEquals(10, inputBuffer.length()); |
| |
| final CapacityChannel capacityChannel = Mockito.mock(CapacityChannel.class); |
| |
| inputBuffer.updateCapacity(capacityChannel); |
| Mockito.verifyZeroInteractions(capacityChannel); |
| |
| inputBuffer.fill(charset.encode("1234567890")); |
| inputBuffer.fill(charset.encode("1234567890")); |
| Assert.assertEquals(30, inputBuffer.length()); |
| |
| Mockito.verifyZeroInteractions(capacityChannel); |
| |
| final byte[] tmp = new byte[20]; |
| final int bytesRead1 = inputBuffer.read(tmp, 0, tmp.length); |
| Assert.assertEquals(20, bytesRead1); |
| Mockito.verifyZeroInteractions(capacityChannel); |
| |
| inputBuffer.markEndStream(); |
| |
| Assert.assertEquals('1', inputBuffer.read()); |
| Assert.assertEquals('2', inputBuffer.read()); |
| final int bytesRead2 = inputBuffer.read(tmp, 0, tmp.length); |
| Assert.assertEquals(8, bytesRead2); |
| Mockito.verifyZeroInteractions(capacityChannel); |
| Assert.assertEquals(-1, inputBuffer.read(tmp, 0, tmp.length)); |
| Assert.assertEquals(-1, inputBuffer.read(tmp, 0, tmp.length)); |
| Assert.assertEquals(-1, inputBuffer.read()); |
| Assert.assertEquals(-1, inputBuffer.read()); |
| } |
| |
| @Test |
| public void testMultithreadingRead() throws Exception { |
| |
| final SharedInputBuffer inputBuffer = new SharedInputBuffer(10); |
| |
| final CapacityChannel capacityChannel = Mockito.mock(CapacityChannel.class); |
| |
| inputBuffer.updateCapacity(capacityChannel); |
| Mockito.verify(capacityChannel).update(10); |
| Mockito.reset(capacityChannel); |
| |
| final ExecutorService executorService = Executors.newFixedThreadPool(2); |
| final Future<Boolean> task1 = executorService.submit(() -> { |
| final Charset charset = StandardCharsets.US_ASCII; |
| inputBuffer.fill(charset.encode("1234567890")); |
| return Boolean.TRUE; |
| }); |
| final Future<Integer> task2 = executorService.submit(() -> { |
| final byte[] tmp = new byte[20]; |
| return inputBuffer.read(tmp, 0, tmp.length); |
| }); |
| |
| Assert.assertEquals(Boolean.TRUE, task1.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit())); |
| Assert.assertEquals(Integer.valueOf(10), task2.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit())); |
| Mockito.verify(capacityChannel).update(10); |
| } |
| |
| @Test |
| public void testMultithreadingSingleRead() throws Exception { |
| |
| final SharedInputBuffer inputBuffer = new SharedInputBuffer(10); |
| |
| final CapacityChannel capacityChannel = Mockito.mock(CapacityChannel.class); |
| |
| inputBuffer.updateCapacity(capacityChannel); |
| Mockito.verify(capacityChannel).update(10); |
| Mockito.reset(capacityChannel); |
| |
| final ExecutorService executorService = Executors.newFixedThreadPool(2); |
| final Future<Boolean> task1 = executorService.submit(() -> { |
| final Charset charset = StandardCharsets.US_ASCII; |
| inputBuffer.fill(charset.encode("a")); |
| return Boolean.TRUE; |
| }); |
| final Future<Integer> task2 = executorService.submit((Callable<Integer>) inputBuffer::read); |
| |
| Assert.assertEquals(Boolean.TRUE, task1.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit())); |
| Assert.assertEquals(Integer.valueOf('a'), task2.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit())); |
| Mockito.verify(capacityChannel).update(10); |
| } |
| |
| @Test |
| public void testMultithreadingReadStream() throws Exception { |
| |
| final SharedInputBuffer inputBuffer = new SharedInputBuffer(10); |
| |
| final CapacityChannel capacityChannel = Mockito.mock(CapacityChannel.class); |
| |
| inputBuffer.updateCapacity(capacityChannel); |
| Mockito.verify(capacityChannel).update(10); |
| Mockito.reset(capacityChannel); |
| |
| final ExecutorService executorService = Executors.newFixedThreadPool(2); |
| final Future<Boolean> task1 = executorService.submit(() -> { |
| final Charset charset = StandardCharsets.US_ASCII; |
| final Random rnd = new Random(System.currentTimeMillis()); |
| for (int i = 0; i < 5; i++) { |
| inputBuffer.fill(charset.encode("1234567890")); |
| Thread.sleep(rnd.nextInt(250)); |
| } |
| inputBuffer.markEndStream(); |
| return Boolean.TRUE; |
| }); |
| final Future<String> task2 = executorService.submit(() -> { |
| final Charset charset = StandardCharsets.US_ASCII; |
| final StringBuilder buf = new StringBuilder(); |
| final byte[] tmp = new byte[10]; |
| int l; |
| while ((l = inputBuffer.read(tmp, 0, tmp.length)) != -1) { |
| buf.append(charset.decode(ByteBuffer.wrap(tmp, 0, l))); |
| } |
| return buf.toString(); |
| }); |
| |
| Assert.assertEquals(Boolean.TRUE, task1.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit())); |
| Assert.assertEquals("12345678901234567890123456789012345678901234567890", |
| task2.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit())); |
| Mockito.verify(capacityChannel, Mockito.atLeast(1)).update(ArgumentMatchers.anyInt()); |
| } |
| |
| @Test |
| public void testMultithreadingReadStreamAbort() throws Exception { |
| |
| final SharedInputBuffer inputBuffer = new SharedInputBuffer(10); |
| |
| final CapacityChannel capacityChannel = Mockito.mock(CapacityChannel.class); |
| |
| inputBuffer.updateCapacity(capacityChannel); |
| Mockito.verify(capacityChannel).update(10); |
| Mockito.reset(capacityChannel); |
| |
| final ExecutorService executorService = Executors.newFixedThreadPool(2); |
| final Future<Boolean> task1 = executorService.submit(() -> { |
| Thread.sleep(1000); |
| inputBuffer.abort(); |
| return Boolean.TRUE; |
| }); |
| final Future<Integer> task2 = executorService.submit((Callable<Integer>) inputBuffer::read); |
| |
| Assert.assertEquals(Boolean.TRUE, task1.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit())); |
| Assert.assertEquals(Integer.valueOf(-1), task2.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit())); |
| Mockito.verify(capacityChannel, Mockito.never()).update(10); |
| } |
| |
| } |
| |