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12 | 12 | * as published by the Free Software Foundation.
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13 | 13 | */
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14 | 14 |
|
15 |
| -package ch.qos.logback.core.util; |
| 15 | +package ch.qos.logback.core.blackbox; |
16 | 16 |
|
17 |
| -import ch.qos.logback.core.Appender; |
18 |
| -import ch.qos.logback.core.AppenderBase; |
19 |
| -import ch.qos.logback.core.Context; |
20 |
| -import ch.qos.logback.core.ContextBase; |
21 |
| -import ch.qos.logback.core.spi.AppenderAttachableImpl; |
| 17 | +//import ch.qos.logback.core.Appender; |
| 18 | +//import ch.qos.logback.core.AppenderBase; |
| 19 | +//import ch.qos.logback.core.Context; |
| 20 | +//import ch.qos.logback.core.ContextBase; |
| 21 | +//import ch.qos.logback.core.spi.AppenderAttachableImpl; |
22 | 22 | import org.junit.jupiter.api.Disabled;
|
23 |
| -import org.junit.jupiter.api.Test; |
24 |
| - |
25 |
| -import java.util.concurrent.ExecutionException; |
26 |
| -import java.util.concurrent.ExecutorService; |
27 |
| -import java.util.concurrent.Executors; |
28 |
| - |
29 |
| -import java.util.ArrayList; |
30 |
| -import java.util.Arrays; |
31 |
| -import java.util.List; |
32 |
| -import java.util.concurrent.Future; |
33 |
| -import java.util.concurrent.locks.ReentrantLock; |
34 |
| - |
35 |
| -import static org.assertj.core.api.Fail.fail; |
| 23 | +//import org.junit.jupiter.api.Test; |
| 24 | +// |
| 25 | +//import java.util.concurrent.ExecutionException; |
| 26 | +//import java.util.concurrent.ExecutorService; |
| 27 | +//import java.util.concurrent.Executors; |
| 28 | +// |
| 29 | +//import java.util.ArrayList; |
| 30 | +//import java.util.Arrays; |
| 31 | +//import java.util.List; |
| 32 | +//import java.util.concurrent.Future; |
| 33 | +//import java.util.concurrent.locks.ReentrantLock; |
| 34 | +// |
| 35 | +//import static org.assertj.core.api.Fail.fail; |
36 | 36 |
|
37 | 37 | @Disabled
|
38 | 38 | public class COWArrayListConcurrencyTest {
|
39 |
| - |
40 |
| - //private static final int LIST_SIZE = 1_000_000; |
41 |
| - private static final int LOOP_LEN = 1_0; |
42 |
| - private static final int RECONFIGURE_DELAY = 1; |
43 |
| - |
44 |
| - ReentrantLock reconfigureLock = new ReentrantLock(true); |
45 |
| - ReentrantLock writeLock = new ReentrantLock(true); |
46 |
| - |
47 |
| - private static int THREAD_COUNT = 200; //Runtime.getRuntime().availableProcessors()*200; |
48 |
| - //private static int THREAD_COUNT = 5000; |
49 |
| - |
50 |
| - private final ExecutorService tasksExecutor = Executors.newVirtualThreadPerTaskExecutor(); |
51 |
| - LoopingRunnable[] loopingThreads = new LoopingRunnable[THREAD_COUNT]; |
52 |
| - ReconfiguringThread[] reconfiguringThreads = new ReconfiguringThread[THREAD_COUNT]; |
53 |
| - Future<?>[] futures = new Future[THREAD_COUNT]; |
54 |
| - |
55 |
| - AppenderAttachableImpl<String> aai = new AppenderAttachableImpl<>(); |
56 |
| - Context context = new ContextBase(); |
57 |
| - |
58 |
| - void reconfigureWithDelay(AppenderAttachableImpl<String> aai) { |
59 |
| - try { |
60 |
| - reconfigureLock.lock(); |
61 |
| - aai.addAppender(makeNewNOPAppender()); |
62 |
| - aai.addAppender(makeNewNOPAppender()); |
63 |
| - delay(RECONFIGURE_DELAY); |
64 |
| - aai.detachAndStopAllAppenders(); |
65 |
| - } finally { |
66 |
| - reconfigureLock.unlock(); |
67 |
| - } |
68 |
| - } |
69 |
| - |
70 |
| - private Appender<String> makeNewNOPAppender() { |
71 |
| - List<Long> longList = new ArrayList<>(); |
72 |
| -// for (int j = 0; j < LIST_SIZE; j++) { |
73 |
| -// longList.add(0L); |
| 39 | +// |
| 40 | +// //private static final int LIST_SIZE = 1_000_000; |
| 41 | +// private static final int LOOP_LEN = 1_0; |
| 42 | +// private static final int RECONFIGURE_DELAY = 1; |
| 43 | +// |
| 44 | +// ReentrantLock reconfigureLock = new ReentrantLock(true); |
| 45 | +// ReentrantLock writeLock = new ReentrantLock(true); |
| 46 | +// |
| 47 | +// private static int THREAD_COUNT = 200; //Runtime.getRuntime().availableProcessors()*200; |
| 48 | +// //private static int THREAD_COUNT = 5000; |
| 49 | +// |
| 50 | +// private final ExecutorService tasksExecutor = Executors.newVirtualThreadPerTaskExecutor(); |
| 51 | +// LoopingRunnable[] loopingThreads = new LoopingRunnable[THREAD_COUNT]; |
| 52 | +// ReconfiguringThread[] reconfiguringThreads = new ReconfiguringThread[THREAD_COUNT]; |
| 53 | +// Future<?>[] futures = new Future[THREAD_COUNT]; |
| 54 | +// |
| 55 | +// AppenderAttachableImpl<String> aai = new AppenderAttachableImpl<>(); |
| 56 | +// Context context = new ContextBase(); |
| 57 | +// |
| 58 | +// void reconfigureWithDelay(AppenderAttachableImpl<String> aai) { |
| 59 | +// try { |
| 60 | +// reconfigureLock.lock(); |
| 61 | +// aai.addAppender(makeNewNOPAppender()); |
| 62 | +// aai.addAppender(makeNewNOPAppender()); |
| 63 | +// delay(RECONFIGURE_DELAY); |
| 64 | +// aai.detachAndStopAllAppenders(); |
| 65 | +// } finally { |
| 66 | +// reconfigureLock.unlock(); |
74 | 67 | // }
|
75 |
| - Appender<String> nopAppenderWithDelay = new NOPAppenderWithDelay<>(longList); |
76 |
| - nopAppenderWithDelay.setContext(context); |
77 |
| - nopAppenderWithDelay.start(); |
78 |
| - return nopAppenderWithDelay; |
79 |
| - } |
80 |
| - |
81 |
| - private void delay(int delay) { |
82 |
| - try { |
83 |
| - Thread.sleep(delay); |
84 |
| - } catch (InterruptedException e) { |
85 |
| - throw new RuntimeException(e); |
86 |
| - } |
87 |
| - } |
88 |
| - |
89 |
| - @Test |
90 |
| - void smoke() throws InterruptedException, ExecutionException { |
91 |
| - |
92 |
| - for (int i = 0; i < THREAD_COUNT; i++) { |
93 |
| - System.out.println("i="+i); |
94 |
| - ReconfiguringThread rt = new ReconfiguringThread(aai); |
95 |
| - futures[i] = tasksExecutor.submit(rt); |
96 |
| - reconfiguringThreads[i] = rt; |
97 |
| - } |
98 |
| - |
99 |
| - for (int i = 0; i < THREAD_COUNT; i++) { |
100 |
| - LoopingRunnable loopingThread = new LoopingRunnable(i, aai); |
101 |
| - tasksExecutor.submit(loopingThread); |
102 |
| - loopingThreads[i] = loopingThread; |
103 |
| - } |
104 |
| - |
105 |
| - for (int i = 0; i < THREAD_COUNT; i++) { |
106 |
| - futures[i].get(); |
107 |
| - } |
108 |
| - |
109 |
| - //reconfiguringThread.join(); |
110 |
| - Arrays.stream(loopingThreads).forEach(lt -> lt.active = false); |
111 |
| - |
112 |
| - } |
113 |
| - |
114 |
| - public class NOPAppenderWithDelay<E> extends AppenderBase<E> { |
115 |
| - |
116 |
| - List<Long> longList; |
117 |
| - |
118 |
| - NOPAppenderWithDelay(List<Long> longList) { |
119 |
| - this.longList = new ArrayList<>(longList); |
120 |
| - } |
121 |
| - |
122 |
| - int i = 0; |
123 |
| - |
124 |
| - @Override |
125 |
| - protected void append(E eventObject) { |
126 |
| - i++; |
127 |
| - try { |
128 |
| - writeLock.lock(); |
129 |
| - if ((i & 0xF) == 0) { |
130 |
| - delay(1); |
131 |
| - } else { |
132 |
| - //longList.stream().map(x-> x+1); |
133 |
| - } |
134 |
| - } finally { |
135 |
| - writeLock.unlock(); |
136 |
| - } |
137 |
| - |
138 |
| - } |
139 |
| - |
140 |
| - } |
141 |
| - |
142 |
| - class ReconfiguringThread extends Thread { |
143 |
| - |
144 |
| - AppenderAttachableImpl<String> aai; |
145 |
| - |
146 |
| - ReconfiguringThread(AppenderAttachableImpl aai) { |
147 |
| - this.aai = aai; |
148 |
| - } |
149 |
| - |
150 |
| - public void run() { |
151 |
| - Thread.yield(); |
152 |
| - for (int i = 0; i < LOOP_LEN; i++) { |
153 |
| - reconfigureWithDelay(aai); |
154 |
| - } |
155 |
| - } |
156 |
| - |
157 |
| - |
158 |
| - } |
159 |
| - |
160 |
| - |
161 |
| - class LoopingRunnable implements Runnable { |
162 |
| - |
163 |
| - int num; |
164 |
| - AppenderAttachableImpl<String> aai; |
165 |
| - public boolean active = true; |
166 |
| - |
167 |
| - LoopingRunnable(int num, AppenderAttachableImpl aai) { |
168 |
| - this.num = num; |
169 |
| - this.aai = aai; |
170 |
| - } |
171 |
| - |
172 |
| - public void run() { |
173 |
| - System.out.println("LoopingRunnable.run.num="+num); |
174 |
| - int i = 0; |
175 |
| - while (active) { |
176 |
| - if ((i & 0xFFFFF) == 0) { |
177 |
| - long id = Thread.currentThread().threadId(); |
178 |
| - System.out.println("thread=" + id + " reconfigure=" + i); |
179 |
| - } |
180 |
| - aai.appendLoopOnAppenders(Integer.toString(i)); |
181 |
| - i++; |
182 |
| - //Thread.yield(); |
183 |
| - } |
184 |
| - } |
185 |
| - } |
| 68 | +// } |
| 69 | +// |
| 70 | +// private Appender<String> makeNewNOPAppender() { |
| 71 | +// List<Long> longList = new ArrayList<>(); |
| 72 | +//// for (int j = 0; j < LIST_SIZE; j++) { |
| 73 | +//// longList.add(0L); |
| 74 | +//// } |
| 75 | +// Appender<String> nopAppenderWithDelay = new NOPAppenderWithDelay<>(longList); |
| 76 | +// nopAppenderWithDelay.setContext(context); |
| 77 | +// nopAppenderWithDelay.start(); |
| 78 | +// return nopAppenderWithDelay; |
| 79 | +// } |
| 80 | +// |
| 81 | +// private void delay(int delay) { |
| 82 | +// try { |
| 83 | +// Thread.sleep(delay); |
| 84 | +// } catch (InterruptedException e) { |
| 85 | +// throw new RuntimeException(e); |
| 86 | +// } |
| 87 | +// } |
| 88 | +// |
| 89 | +// @Test |
| 90 | +// void smoke() throws InterruptedException, ExecutionException { |
| 91 | +// |
| 92 | +// for (int i = 0; i < THREAD_COUNT; i++) { |
| 93 | +// System.out.println("i="+i); |
| 94 | +// ReconfiguringThread rt = new ReconfiguringThread(aai); |
| 95 | +// futures[i] = tasksExecutor.submit(rt); |
| 96 | +// reconfiguringThreads[i] = rt; |
| 97 | +// } |
| 98 | +// |
| 99 | +// for (int i = 0; i < THREAD_COUNT; i++) { |
| 100 | +// LoopingRunnable loopingThread = new LoopingRunnable(i, aai); |
| 101 | +// tasksExecutor.submit(loopingThread); |
| 102 | +// loopingThreads[i] = loopingThread; |
| 103 | +// } |
| 104 | +// |
| 105 | +// for (int i = 0; i < THREAD_COUNT; i++) { |
| 106 | +// futures[i].get(); |
| 107 | +// } |
| 108 | +// |
| 109 | +// //reconfiguringThread.join(); |
| 110 | +// Arrays.stream(loopingThreads).forEach(lt -> lt.active = false); |
| 111 | +// |
| 112 | +// } |
| 113 | +// |
| 114 | +// public class NOPAppenderWithDelay<E> extends AppenderBase<E> { |
| 115 | +// |
| 116 | +// List<Long> longList; |
| 117 | +// |
| 118 | +// NOPAppenderWithDelay(List<Long> longList) { |
| 119 | +// this.longList = new ArrayList<>(longList); |
| 120 | +// } |
| 121 | +// |
| 122 | +// int i = 0; |
| 123 | +// |
| 124 | +// @Override |
| 125 | +// protected void append(E eventObject) { |
| 126 | +// i++; |
| 127 | +// try { |
| 128 | +// writeLock.lock(); |
| 129 | +// if ((i & 0xF) == 0) { |
| 130 | +// delay(1); |
| 131 | +// } else { |
| 132 | +// //longList.stream().map(x-> x+1); |
| 133 | +// } |
| 134 | +// } finally { |
| 135 | +// writeLock.unlock(); |
| 136 | +// } |
| 137 | +// |
| 138 | +// } |
| 139 | +// |
| 140 | +// } |
| 141 | +// |
| 142 | +// class ReconfiguringThread extends Thread { |
| 143 | +// |
| 144 | +// AppenderAttachableImpl<String> aai; |
| 145 | +// |
| 146 | +// ReconfiguringThread(AppenderAttachableImpl aai) { |
| 147 | +// this.aai = aai; |
| 148 | +// } |
| 149 | +// |
| 150 | +// public void run() { |
| 151 | +// Thread.yield(); |
| 152 | +// for (int i = 0; i < LOOP_LEN; i++) { |
| 153 | +// reconfigureWithDelay(aai); |
| 154 | +// } |
| 155 | +// } |
| 156 | +// |
| 157 | +// |
| 158 | +// } |
| 159 | +// |
| 160 | +// |
| 161 | +// class LoopingRunnable implements Runnable { |
| 162 | +// |
| 163 | +// int num; |
| 164 | +// AppenderAttachableImpl<String> aai; |
| 165 | +// public boolean active = true; |
| 166 | +// |
| 167 | +// LoopingRunnable(int num, AppenderAttachableImpl aai) { |
| 168 | +// this.num = num; |
| 169 | +// this.aai = aai; |
| 170 | +// } |
| 171 | +// |
| 172 | +// public void run() { |
| 173 | +// System.out.println("LoopingRunnable.run.num="+num); |
| 174 | +// int i = 0; |
| 175 | +// while (active) { |
| 176 | +// if ((i & 0xFFFFF) == 0) { |
| 177 | +// long id = Thread.currentThread().threadId(); |
| 178 | +// System.out.println("thread=" + id + " reconfigure=" + i); |
| 179 | +// } |
| 180 | +// aai.appendLoopOnAppenders(Integer.toString(i)); |
| 181 | +// i++; |
| 182 | +// //Thread.yield(); |
| 183 | +// } |
| 184 | +// } |
| 185 | +// } |
186 | 186 |
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187 | 187 |
|
188 | 188 | }
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