2 * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.cluster.example;
11 import akka.actor.ActorRef;
12 import akka.actor.ActorSystem;
13 import com.google.common.base.Optional;
14 import com.google.common.collect.Lists;
15 import com.typesafe.config.ConfigFactory;
16 import java.io.BufferedReader;
17 import java.io.InputStreamReader;
18 import java.util.HashMap;
19 import java.util.List;
21 import java.util.concurrent.ConcurrentHashMap;
22 import org.opendaylight.controller.cluster.example.messages.PrintRole;
23 import org.opendaylight.controller.cluster.example.messages.PrintState;
24 import org.opendaylight.controller.cluster.raft.ConfigParams;
27 * This is a test driver for testing akka-raft implementation
28 * Its uses ExampleActors and threads to push content(key-vals) to these actors
29 * Each ExampleActor can have one or more ClientActors. Each ClientActor spawns
30 * a thread and starts push logs to the actor its assigned to.
32 @SuppressWarnings("checkstyle:RegexpSingleLineJava")
33 public class TestDriver {
34 private static Map<String, String> allPeers = new HashMap<>();
35 private static Map<String, ActorRef> clientActorRefs = new HashMap<>();
36 private static Map<String, ActorRef> actorRefs = new HashMap<>();
37 private static LogGenerator logGenerator = new LogGenerator();
38 private int nameCounter = 0;
39 private static ConfigParams configParams = new ExampleConfigParamsImpl();
41 private static ActorSystem actorSystem;
42 private static ActorSystem listenerActorSystem;
45 * Create nodes, add clients and start logging.
50 * reinstateNode:{nodeName}
52 * addClientsToNode:{nodeName, num}
55 * startLoggingForClient:{nodeName}
56 * stopLoggingForClient:{nodeName}
61 * Note: when run on IDE and on debug log level, the debug logs in
62 * AbstractUptypedActor and AbstractUptypedPersistentActor would need to be commented out.
63 * Also RaftActor handleCommand(), debug log which prints for every command other than AE/AER
65 public static void main(String[] args) throws Exception {
67 actorSystem = ActorSystem.create("raft-test", ConfigFactory
68 .load().getConfig("raft-test"));
70 listenerActorSystem = ActorSystem.create("raft-test-listener", ConfigFactory
71 .load().getConfig("raft-test-listener"));
73 TestDriver td = new TestDriver();
75 System.out.println("Enter command (type bye to exit):");
78 BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
80 String command = br.readLine();
81 if (command.startsWith("bye")) {
84 } else if (command.startsWith("createNodes")) {
85 String[] arr = command.split(":");
86 int num = Integer.parseInt(arr[1]);
89 } else if (command.startsWith("addClients")) {
90 String[] arr = command.split(":");
91 int num = Integer.parseInt(arr[1]);
94 } else if (command.startsWith("addClientsToNode")) {
95 String[] arr = command.split(":");
96 String nodeName = arr[1];
97 int num = Integer.parseInt(arr[1]);
98 td.addClientsToNode(nodeName, num);
100 } else if (command.startsWith("stopNode")) {
101 String[] arr = command.split(":");
104 } else if (command.startsWith("reinstateNode")) {
105 String[] arr = command.split(":");
106 td.reinstateNode(arr[1]);
108 } else if (command.startsWith("startLogging")) {
109 td.startAllLogging();
111 } else if (command.startsWith("startLoggingForClient")) {
112 String[] arr = command.split(":");
113 td.startLoggingForClient(clientActorRefs.get(arr[1]));
115 } else if (command.startsWith("stopLogging")) {
118 } else if (command.startsWith("stopLoggingForClient")) {
119 String[] arr = command.split(":");
120 td.stopLoggingForClient(clientActorRefs.get(arr[1]));
122 } else if (command.startsWith("printState")) {
124 } else if (command.startsWith("printNodes")) {
127 System.out.println("Invalid command:" + command);
133 // create the listener using a separate actor system for each example actor
134 private static void createClusterRoleChangeListener(List<String> memberIds) {
135 System.out.println("memberIds=" + memberIds);
136 for (String memberId : memberIds) {
137 ActorRef listenerActor = listenerActorSystem.actorOf(
138 ExampleRoleChangeListener.getProps(memberId), memberId + "-role-change-listener");
139 System.out.println("Role Change Listener created:" + listenerActor.path().toString());
143 public static ActorRef createExampleActor(String name) {
144 return actorSystem.actorOf(ExampleActor.props(name, withoutPeer(name),
145 Optional.of(configParams)), name);
148 public void createNodes(int num) {
149 for (int i = 0; i < num; i++) {
150 nameCounter = nameCounter + 1;
151 allPeers.put("example-" + nameCounter, "akka://raft-test/user/example-" + nameCounter);
154 for (String s : allPeers.keySet()) {
155 ActorRef exampleActor = createExampleActor(s);
156 actorRefs.put(s, exampleActor);
157 System.out.println("Created node:" + s);
160 createClusterRoleChangeListener(Lists.newArrayList(allPeers.keySet()));
163 // add num clients to all nodes in the system
164 public void addClients(int num) {
165 for (Map.Entry<String, ActorRef> actorRefEntry : actorRefs.entrySet()) {
166 for (int i = 0; i < num; i++) {
167 String clientName = "client-" + i + "-" + actorRefEntry.getKey();
168 ActorRef clientActor = actorSystem.actorOf(
169 ClientActor.props(actorRefEntry.getValue()), clientName);
170 clientActorRefs.put(clientName, clientActor);
171 System.out.println("Created client-node:" + clientName);
176 // add num clients to a node
177 public void addClientsToNode(String actorName, int num) {
178 ActorRef actorRef = actorRefs.get(actorName);
179 for (int i = 0; i < num; i++) {
180 String clientName = "client-" + i + "-" + actorName;
181 clientActorRefs.put(clientName,
182 actorSystem.actorOf(ClientActor.props(actorRef), clientName));
183 System.out.println("Added client-node:" + clientName);
187 public void stopNode(String actorName) {
188 ActorRef actorRef = actorRefs.get(actorName);
190 for (Map.Entry<String,ActorRef> entry : clientActorRefs.entrySet()) {
191 if (entry.getKey().endsWith(actorName)) {
192 actorSystem.stop(entry.getValue());
196 actorSystem.stop(actorRef);
197 actorRefs.remove(actorName);
198 allPeers.remove(actorName);
201 public void reinstateNode(String actorName) {
202 String address = "akka://default/user/" + actorName;
203 allPeers.put(actorName, address);
205 ActorRef exampleActor = createExampleActor(actorName);
206 actorRefs.put(actorName, exampleActor);
208 addClientsToNode(actorName, 1);
211 public void startAllLogging() {
212 if (!clientActorRefs.isEmpty()) {
213 for (Map.Entry<String, ActorRef> client : clientActorRefs.entrySet()) {
214 logGenerator.startLoggingForClient(client.getValue());
215 System.out.println("Started logging for client:" + client.getKey());
219 "There are no clients for any nodes. First create clients using commands- addClients:<num> or "
220 + "addClientsToNode:<nodename>:<num>");
224 public void startLoggingForClient(ActorRef client) {
225 logGenerator.startLoggingForClient(client);
228 public void stopAllLogging() {
229 for (Map.Entry<String, ActorRef> client : clientActorRefs.entrySet()) {
230 logGenerator.stopLoggingForClient(client.getValue());
234 public void stopLoggingForClient(ActorRef client) {
235 logGenerator.stopLoggingForClient(client);
238 public void printState() {
239 for (ActorRef ref : actorRefs.values()) {
240 ref.tell(new PrintState(), null);
244 public void printNodes() {
245 for (ActorRef ref : actorRefs.values()) {
246 ref.tell(new PrintRole(), null);
250 public ActorRef getLeader() {
255 private static Map<String, String> withoutPeer(String peerId) {
256 Map<String, String> without = new ConcurrentHashMap<>(allPeers);
257 without.remove(peerId);