New Chronicle-Map

src/test/java/net/openhft/chronicle/map/TCPSocketReplicationBootStrapTests.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 org.junit.After;
+import org.junit.Test;
+
+import java.io.Closeable;
+import java.io.File;
+import java.io.IOException;
+import java.net.InetSocketAddress;
+
+import static net.openhft.chronicle.map.Builder.getPersistenceFile;
+import static net.openhft.chronicle.map.TCPSocketReplication4WayMapTest.newTcpSocketShmBuilder;
+import static net.openhft.chronicle.map.TCPSocketReplication4WayMapTest.newTcpSocketShmIntString;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Test  ReplicatedChronicleMap where the Replicated is over a TCP Socket
+ *
+ * @author Rob Austin.
+ */
+
+public class TCPSocketReplicationBootStrapTests {
+
+    private ReplicatedChronicleMap<Integer, CharSequence> map1;
+    private ChronicleMap<Integer, CharSequence> map2;
+
+    @Test
+    public void testBootstrap() throws IOException, InterruptedException {
+
+        map1 = newTcpSocketShmIntString((byte) 1, 8079);
+
+        ChronicleMapBuilder<Integer, CharSequence> map2aBuilder =
+                newTcpSocketShmBuilder(Integer.class, CharSequence.class,
+                        (byte) 2, 8076, new InetSocketAddress("localhost", 8079));
+        final ChronicleMap<Integer, CharSequence> map2a =
+                map2aBuilder.create(getPersistenceFile());
+        map2a.put(10, "EXAMPLE-10");  // this will be the last time that map1 go an update from map2
+
+        long lastModificationTime;
+
+        // lets make sure that the message has got to map 1
+        do {
+            lastModificationTime = map1.lastModificationTime((byte) 2);
+            Thread.yield();
+        } while (lastModificationTime == 0);
+
+        final File map2File = map2a.file();
+        map2a.close();
+
+        {
+            // restart map 2 but don't doConnect it to map one
+            final ChronicleMap<Integer, CharSequence> map2b =
+                    ChronicleMapBuilder.of(Integer.class, CharSequence.class)
+                            .create(map2File);
+            // add data into it
+            map2b.put(11, "ADDED WHEN DISCONNECTED TO MAP1");
+            map2b.close();
+        }
+
+        // now restart map2a and doConnect it to map1, map1 should bootstrap the missing entry
+        map2 = map2aBuilder.create(map2File);
+
+        // add data into it
+        waitTillEqual(5000);
+        assertEquals("ADDED WHEN DISCONNECTED TO MAP1", map1.get(11));
+
+    }
+
+
+    // todo we have to fix this
+    @Test
+    public void testBootstrapAndHeartbeat() throws IOException, InterruptedException {
+        map1 = newTcpSocketShmIntString((byte) 1, 8079, new InetSocketAddress("localhost", 8076));
+        ChronicleMapBuilder<Integer, CharSequence> map2aBuilder =
+                newTcpSocketShmBuilder(Integer.class, CharSequence.class, (byte) 2, 8076);
+        final ReplicatedChronicleMap<Integer, CharSequence> map2a =
+                (ReplicatedChronicleMap<Integer, CharSequence>)
+                        map2aBuilder.create(getPersistenceFile());
+
+        map2a.put(10, "EXAMPLE-10");  // this will be the last time that map1 go an update from map2
+
+        long lastModificationTime;
+
+        // lets make sure that the message has got to map 1
+        do {
+            lastModificationTime = map1.lastModificationTime((byte) 2);
+            Thread.yield();
+        } while (lastModificationTime == 0);
+
+        final File map2File = map2a.file();
+        map2a.close();
+
+        {
+            // restart map 2 but don't doConnect it to map one
+            final ChronicleMap<Integer, CharSequence> map2b =
+                    ChronicleMapBuilder.of(Integer.class, CharSequence.class)
+                            .create(map2File);
+            // add data into it
+            map2b.put(11, "ADDED WHEN DISCONNECTED TO MAP1");
+            map2b.close();
+        }
+
+        // now restart map2a and doConnect it to map1, map1 should bootstrap the missing entry
+        map2 = map2aBuilder.create(map2File);
+
+        // add data into it
+        waitTillEqual(20000);
+        assertEquals("ADDED WHEN DISCONNECTED TO MAP1", map1.get(11));
+
+
+    }
+
+    @After
+    public void tearDown() {
+
+        for (final Closeable closeable : new Closeable[]{map1, map2}) {
+            try {
+                closeable.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+
+    /**
+     * 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))
+                break;
+            Thread.sleep(1);
+        }
+
+    }
+
+}
+
+
+