New Chronicle-Map

src/test/java/net/openhft/chronicle/map/TCPSocketReplication4WayMapTest.java

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+/*
+ * Copyright 2014 Higher Frequency Trading http://www.higherfrequencytrading.com
+ *
+ * Licensed 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 net.openhft.chronicle.map;
+
+
+import net.openhft.lang.values.IntValue;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.net.InetSocketAddress;
+
+import static java.util.concurrent.TimeUnit.SECONDS;
+import static net.openhft.chronicle.map.Builder.getPersistenceFile;
+import static net.openhft.chronicle.map.Replicators.tcp;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Test ReplicatedChronicleMap where the Replicated is over a TCP Socket, but with 4 nodes
+ *
+ * @author Rob Austin.
+ */
+public class TCPSocketReplication4WayMapTest {
+
+    private ChronicleMap<Integer, CharSequence> map1;
+    private ChronicleMap<Integer, CharSequence> map2;
+    private ChronicleMap<Integer, CharSequence> map3;
+    private ChronicleMap<Integer, CharSequence> map4;
+
+    public static <K, V> ChronicleMapBuilder<K, V> newTcpSocketShmBuilder(
+            Class<K> kClass, Class<V> vClass,
+            final byte identifier,
+            final int serverPort,
+            final InetSocketAddress... endpoints) throws IOException {
+        TcpReplicationConfig tcpConfig = TcpReplicationConfig.of(serverPort, endpoints)
+                .heartBeatInterval(1L, SECONDS);
+        return ChronicleMapBuilder.of(kClass, vClass)
+                .entries(20000L)
+                .addReplicator(tcp(identifier, tcpConfig));
+    }
+
+    public static <T extends ChronicleMap<Integer, CharSequence>> T newTcpSocketShmIntString(
+            final byte identifier,
+            final int serverPort,
+            final InetSocketAddress... endpoints) throws IOException {
+        return (T) newTcpSocketShmBuilder(Integer.class, CharSequence.class,
+                identifier, serverPort, endpoints).create(getPersistenceFile());
+    }
+
+    static ChronicleMap<IntValue, CharSequence> newTcpSocketShmIntValueString(
+            final byte identifier,
+            final int serverPort,
+            final InetSocketAddress... endpoints) throws IOException {
+        return newTcpSocketShmBuilder(IntValue.class, CharSequence.class,
+                identifier, serverPort, endpoints)
+                .entries(20000L)
+                .keyMarshaller(ByteableIntValueMarshaller.INSTANCE)
+                .create(getPersistenceFile());
+    }
+
+
+    @Before
+    public void setup() throws IOException {
+
+        map1 = newTcpSocketShmIntString((byte) 1, 8086, new InetSocketAddress("localhost", 8087),
+                new InetSocketAddress("localhost", 8088), new InetSocketAddress("localhost", 8089));
+        map2 = newTcpSocketShmIntString((byte) 2, 8087, new InetSocketAddress("localhost", 8088),
+                new InetSocketAddress("localhost", 8089));
+        map3 = newTcpSocketShmIntString((byte) 3, 8088, new InetSocketAddress("localhost", 8089));
+        map4 = newTcpSocketShmIntString((byte) 4, 8089);
+    }
+
+    @After
+    public void tearDown() throws InterruptedException {
+
+        for (final Closeable closeable : new Closeable[]{map1, map2, map3, map4}) {
+            try {
+                closeable.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+
+    @Test
+    public void test() throws IOException, InterruptedException {
+        Thread.sleep(1000);
+        map1.put(1, "EXAMPLE-1");
+        map2.put(2, "EXAMPLE-1");
+        map3.put(3, "EXAMPLE-1");
+        map4.remove(3);
+
+        // allow time for the recompilation to resolve
+        waitTillEqual(2500);
+
+        assertEquals("map2", map1, map2);
+        assertEquals("map3", map1, map3);
+        assertEquals("map4", map1, map4);
+        assertTrue("map2.empty", !map2.isEmpty());
+
+    }
+
+
+    @Test
+    public void testBufferOverflow() throws IOException, InterruptedException {
+        Thread.sleep(1000);
+        for (int i = 0; i < 50; i++) {
+            map1.put(i, "EXAMPLE-1");
+        }
+
+        // allow time for the recompilation to resolve
+        waitTillEqual(15000);
+
+        assertEquals("map2", map1, map2);
+        assertEquals("map3", map1, map3);
+        assertEquals("map4", map1, map4);
+        assertTrue("map2.empty", !map2.isEmpty());
+
+    }
+
+
+    @Test
+    public void testBufferOverflowPutIfAbsent() throws IOException, InterruptedException {
+        Thread.sleep(1000);
+
+        for (int i = 0; i < 1024; i++) {
+            map1.putIfAbsent(i, "EXAMPLE-1");
+        }
+
+        for (int i = 0; i < 1024; i++) {
+            map1.putIfAbsent(i, "");
+        }
+
+        // allow time for the recompilation to resolve
+        waitTillEqual(10000);
+
+        assertEquals("map2", map1, map2);
+        assertEquals("map3", map1, map3);
+        assertEquals("map4", map1, map4);
+        assertTrue("map2.empty", !map2.isEmpty());
+
+    }
+
+
+    /**
+     * waits until map1 and map2 show the same value
+     *
+     * @param timeOutMs timeout in milliseconds
+     * @throws InterruptedException
+     */
+
+    private void waitTillEqual(final int timeOutMs) throws InterruptedException {
+        int t = 0;
+        for (; t < timeOutMs; t++) {
+            if (map1.equals(map2) &&
+                    map1.equals(map3) &&
+                    map2.equals(map3) &&
+                    map4.equals(map3) &&
+                    map1.equals(map4))
+                break;
+            Thread.sleep(1);
+        }
+
+    }
+
+}
+
+
+