2 * Copyright (c) 2014 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.raft;
11 import akka.actor.ActorRef;
12 import akka.actor.ActorSelection;
13 import akka.actor.ActorSystem;
14 import akka.actor.Props;
15 import akka.event.Logging;
16 import akka.event.LoggingAdapter;
17 import com.google.protobuf.GeneratedMessage;
18 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
19 import org.opendaylight.controller.cluster.raft.protobuff.messages.AppendEntriesMessages;
20 import org.opendaylight.controller.cluster.raft.protobuff.messages.MockPayloadMessages;
21 import com.google.common.base.Preconditions;
23 import java.io.Serializable;
24 import java.util.ArrayList;
25 import java.util.Collections;
26 import java.util.HashMap;
27 import java.util.List;
30 public class MockRaftActorContext implements RaftActorContext {
33 private ActorSystem system;
34 private ActorRef actor;
35 private long index = 0;
36 private long lastApplied = 0;
37 private final ElectionTerm electionTerm;
38 private ReplicatedLog replicatedLog;
39 private Map<String, String> peerAddresses = new HashMap();
41 public MockRaftActorContext(){
47 public MockRaftActorContext(String id, ActorSystem system, ActorRef actor){
52 final String id1 = id;
53 electionTerm = new ElectionTerm() {
55 * Identifier of the actor whose election term information this is
57 private final String id = id1;
58 private long currentTerm = 0;
59 private String votedFor = "";
61 public long getCurrentTerm() {
65 public String getVotedFor() {
69 public void update(long currentTerm, String votedFor){
70 this.currentTerm = currentTerm;
71 this.votedFor = votedFor;
73 // TODO : Write to some persistent state
76 @Override public void updateAndPersist(long currentTerm,
78 update(currentTerm, votedFor);
86 public void initReplicatedLog(){
87 this.replicatedLog = new SimpleReplicatedLog();
88 this.replicatedLog.append(new MockReplicatedLogEntry(1, 1, new MockPayload("")));
91 @Override public ActorRef actorOf(Props props) {
92 return system.actorOf(props);
95 @Override public ActorSelection actorSelection(String path) {
96 return system.actorSelection(path);
99 @Override public String getId() {
103 @Override public ActorRef getActor() {
107 @Override public ElectionTerm getTermInformation() {
111 public void setIndex(long index){
115 @Override public long getCommitIndex() {
119 @Override public void setCommitIndex(long commitIndex) {
120 this.index = commitIndex;
123 @Override public void setLastApplied(long lastApplied){
124 this.lastApplied = lastApplied;
127 @Override public long getLastApplied() {
131 public void setReplicatedLog(ReplicatedLog replicatedLog) {
132 this.replicatedLog = replicatedLog;
135 @Override public ReplicatedLog getReplicatedLog() {
136 return replicatedLog;
139 @Override public ActorSystem getActorSystem() {
143 @Override public LoggingAdapter getLogger() {
144 return Logging.getLogger(system, this);
147 @Override public Map<String, String> getPeerAddresses() {
148 return peerAddresses;
151 @Override public String getPeerAddress(String peerId) {
152 return peerAddresses.get(peerId);
155 @Override public void addToPeers(String name, String address) {
156 peerAddresses.put(name, address);
159 @Override public void removePeer(String name) {
160 peerAddresses.remove(name);
163 @Override public ActorSelection getPeerActorSelection(String peerId) {
164 String peerAddress = getPeerAddress(peerId);
165 if(peerAddress != null){
166 return actorSelection(peerAddress);
171 @Override public void setPeerAddress(String peerId, String peerAddress) {
172 Preconditions.checkState(peerAddresses.containsKey(peerId));
173 peerAddresses.put(peerId, peerAddress);
176 public void setPeerAddresses(Map<String, String> peerAddresses) {
177 this.peerAddresses = peerAddresses;
181 public ConfigParams getConfigParams() {
182 return new DefaultConfigParamsImpl();
185 public static class SimpleReplicatedLog implements ReplicatedLog {
186 private final List<ReplicatedLogEntry> log = new ArrayList<>();
188 @Override public ReplicatedLogEntry get(long index) {
189 if(index >= log.size() || index < 0){
192 return log.get((int) index);
195 @Override public ReplicatedLogEntry last() {
199 return log.get(log.size()-1);
202 @Override public long lastIndex() {
207 return last().getIndex();
210 @Override public long lastTerm() {
215 return last().getTerm();
218 @Override public void removeFrom(long index) {
219 if(index >= log.size() || index < 0){
223 log.subList((int) index, log.size()).clear();
224 //log.remove((int) index);
227 @Override public void removeFromAndPersist(long index) {
231 @Override public void append(ReplicatedLogEntry replicatedLogEntry) {
232 log.add(replicatedLogEntry);
235 @Override public void appendAndPersist(
236 ReplicatedLogEntry replicatedLogEntry) {
237 append(replicatedLogEntry);
240 @Override public List<ReplicatedLogEntry> getFrom(long index) {
241 if(index >= log.size() || index < 0){
242 return Collections.EMPTY_LIST;
244 List<ReplicatedLogEntry> entries = new ArrayList<>();
245 for(int i=(int) index ; i < log.size() ; i++) {
251 @Override public List<ReplicatedLogEntry> getFrom(long index, int max) {
252 if(index >= log.size() || index < 0){
253 return Collections.EMPTY_LIST;
255 List<ReplicatedLogEntry> entries = new ArrayList<>();
256 int maxIndex = (int) index + max;
257 if(maxIndex > log.size()){
258 maxIndex = log.size();
261 for(int i=(int) index ; i < maxIndex ; i++) {
268 @Override public long size() {
272 @Override public boolean isPresent(long index) {
273 if(index >= log.size() || index < 0){
280 @Override public boolean isInSnapshot(long index) {
284 @Override public Object getSnapshot() {
288 @Override public long getSnapshotIndex() {
292 @Override public long getSnapshotTerm() {
297 public static class MockPayload extends Payload implements Serializable {
298 private String value = "";
300 public MockPayload(String s) {
304 @Override public Map<GeneratedMessage.GeneratedExtension, String> encode() {
305 Map<GeneratedMessage.GeneratedExtension, String> map = new HashMap<GeneratedMessage.GeneratedExtension, String>();
306 map.put(MockPayloadMessages.value, value);
310 @Override public Payload decode(
311 AppendEntriesMessages.AppendEntries.ReplicatedLogEntry.Payload payloadProtoBuff) {
312 String value = payloadProtoBuff.getExtension(MockPayloadMessages.value);
317 @Override public String getClientPayloadClassName() {
318 return MockPayload.class.getName();
321 public String toString() {
326 public static class MockReplicatedLogEntry implements ReplicatedLogEntry, Serializable {
328 private final long term;
329 private final long index;
330 private final Payload data;
332 public MockReplicatedLogEntry(long term, long index, Payload data){
339 @Override public Payload getData() {
343 @Override public long getTerm() {
347 @Override public long getIndex() {