GOSSIP-47 sign data

src/test/java/org/apache/gossip/SignedMessageTest.java

@@ -0,0 +1,121 @@
+/*
+ * 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.gossip;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.UnknownHostException;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.gossip.manager.PassiveGossipConstants;
+import org.apache.gossip.secure.KeyTool;
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.codahale.metrics.MetricRegistry;
+
+import io.teknek.tunit.TUnit;
+
+public class SignedMessageTest {
+
+  @Test(expected=IllegalArgumentException.class)
+  public void ifSignMustHaveKeys()
+          throws URISyntaxException, UnknownHostException, InterruptedException {
+    String cluster = UUID.randomUUID().toString();
+    GossipSettings settings = gossiperThatSigns();
+    List<GossipMember> startupMembers = new ArrayList<>();
+    URI uri = new URI("udp://" + "127.0.0.1" + ":" + (30000 + 1));
+    GossipService gossipService = new GossipService(cluster, uri, 1 + "",
+            new HashMap<String, String>(), startupMembers, settings, (a, b) -> { }, 
+            new MetricRegistry());
+    gossipService.start();
+  }
+  
+  private GossipSettings gossiperThatSigns(){
+    GossipSettings settings = new GossipSettings();
+    settings.setPersistRingState(false);
+    settings.setPersistDataState(false);
+    settings.setSignMessages(true);
+    return settings;
+  }
+  
+  @Test
+  public void dataTest() throws InterruptedException, URISyntaxException, NoSuchAlgorithmException, NoSuchProviderException, IOException{
+    String keys = "./keys";
+    GossipSettings settings = gossiperThatSigns();
+    setup(keys);
+    String cluster = UUID.randomUUID().toString();
+    List<GossipMember> startupMembers = new ArrayList<>();
+    for (int i = 1; i < 2; ++i) {
+      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (30000 + i));
+      startupMembers.add(new RemoteGossipMember(cluster, uri, i + ""));
+    }
+    final List<GossipService> clients = new ArrayList<>();
+    for (int i = 1; i < 3; ++i) {
+      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (30000 + i));
+      GossipService gossipService = new GossipService(cluster, uri, i + "",
+              new HashMap<String,String>(), startupMembers, settings,
+              (a,b) -> {}, new MetricRegistry());
+      clients.add(gossipService);
+      gossipService.start();
+    }
+    assertTwoAlive(clients);
+    assertOnlySignedMessages(clients);
+    cleanup(keys, clients);
+  }
+  
+  private void assertTwoAlive(List<GossipService> clients){
+    TUnit.assertThat(() -> {
+      int total = 0;
+      for (int i = 0; i < clients.size(); ++i) {
+        total += clients.get(i).getGossipManager().getLiveMembers().size();
+      }
+      return total;
+    }).afterWaitingAtMost(20, TimeUnit.SECONDS).isEqualTo(2);
+  }
+  
+  private void assertOnlySignedMessages(List<GossipService> clients){
+    Assert.assertEquals(0, clients.get(0).getGossipManager().getRegistry()
+            .meter(PassiveGossipConstants.UNSIGNED_MESSAGE).getCount());
+    Assert.assertTrue(clients.get(0).getGossipManager().getRegistry()
+            .meter(PassiveGossipConstants.SIGNED_MESSAGE).getCount() > 0);
+  }
+  
+  private void cleanup(String keys, List<GossipService> clients){
+    new File(keys, "1").delete();
+    new File(keys, "2").delete();
+    new File(keys).delete();
+    for (int i = 0; i < clients.size(); ++i) {
+      clients.get(i).shutdown();
+    }
+  }
+  
+  private void setup(String keys) throws NoSuchAlgorithmException, NoSuchProviderException, IOException {
+    new File(keys).mkdir();
+    KeyTool.generatePubandPrivateKeyFiles(keys, "1");
+    KeyTool.generatePubandPrivateKeyFiles(keys, "2");
+  }
+}