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.japi.Procedure;
16 import java.io.Serializable;
17 import java.util.HashMap;
19 import org.opendaylight.controller.cluster.NonPersistentDataProvider;
20 import org.opendaylight.controller.cluster.raft.behaviors.RaftActorBehavior;
21 import org.opendaylight.controller.cluster.raft.policy.RaftPolicy;
22 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
26 public class MockRaftActorContext extends RaftActorContextImpl {
27 private static final Logger LOG = LoggerFactory.getLogger(MockRaftActorContext.class);
29 private ActorSystem system;
30 private RaftPolicy raftPolicy;
32 private static ElectionTerm newElectionTerm() {
33 return new ElectionTerm() {
34 private long currentTerm = 1;
35 private String votedFor = "";
38 public long getCurrentTerm() {
43 public String getVotedFor() {
48 public void update(long currentTerm, String votedFor){
49 this.currentTerm = currentTerm;
50 this.votedFor = votedFor;
52 // TODO : Write to some persistent state
55 @Override public void updateAndPersist(long currentTerm,
57 update(currentTerm, votedFor);
62 public MockRaftActorContext(){
63 super(null, null, "test", newElectionTerm(), -1, -1, new HashMap<>(),
64 new DefaultConfigParamsImpl(), new NonPersistentDataProvider(), LOG);
65 setReplicatedLog(new MockReplicatedLogBuilder().build());
68 public MockRaftActorContext(String id, ActorSystem system, ActorRef actor){
69 super(actor, null, id, newElectionTerm(), -1, -1, new HashMap<>(),
70 new DefaultConfigParamsImpl(), new NonPersistentDataProvider(), LOG);
78 public void initReplicatedLog(){
79 SimpleReplicatedLog replicatedLog = new SimpleReplicatedLog();
80 long term = getTermInformation().getCurrentTerm();
81 replicatedLog.append(new MockReplicatedLogEntry(term, 0, new MockPayload("1")));
82 replicatedLog.append(new MockReplicatedLogEntry(term, 1, new MockPayload("2")));
83 setReplicatedLog(replicatedLog);
84 setCommitIndex(replicatedLog.lastIndex());
85 setLastApplied(replicatedLog.lastIndex());
88 @Override public ActorRef actorOf(Props props) {
89 return system.actorOf(props);
92 @Override public ActorSelection actorSelection(String path) {
93 return system.actorSelection(path);
96 @Override public ActorSystem getActorSystem() {
100 @Override public ActorSelection getPeerActorSelection(String peerId) {
101 String peerAddress = getPeerAddress(peerId);
102 if(peerAddress != null){
103 return actorSelection(peerAddress);
108 public void setPeerAddresses(Map<String, String> peerAddresses) {
109 for(String id: getPeerIds()) {
113 for(Map.Entry<String, String> e: peerAddresses.entrySet()) {
114 addToPeers(e.getKey(), e.getValue(), VotingState.VOTING);
119 public SnapshotManager getSnapshotManager() {
120 SnapshotManager snapshotManager = super.getSnapshotManager();
121 snapshotManager.setCreateSnapshotRunnable(() -> { });
122 return snapshotManager;
126 public RaftPolicy getRaftPolicy() {
127 return raftPolicy != null ? raftPolicy : super.getRaftPolicy();
130 public void setRaftPolicy(RaftPolicy raftPolicy) {
131 this.raftPolicy = raftPolicy;
134 public static class SimpleReplicatedLog extends AbstractReplicatedLogImpl {
136 public void appendAndPersist(
137 ReplicatedLogEntry replicatedLogEntry) {
138 append(replicatedLogEntry);
142 public int dataSize() {
147 public void captureSnapshotIfReady(ReplicatedLogEntry replicatedLogEntry) {
151 public boolean removeFromAndPersist(long index) {
152 return removeFrom(index) >= 0;
156 public void appendAndPersist(ReplicatedLogEntry replicatedLogEntry, Procedure<ReplicatedLogEntry> callback) {
157 append(replicatedLogEntry);
159 if(callback != null) {
161 callback.apply(replicatedLogEntry);
162 } catch (Exception e) {
169 public static class MockPayload extends Payload implements Serializable {
170 private static final long serialVersionUID = 3121380393130864247L;
171 private String value = "";
174 public MockPayload() {
177 public MockPayload(String s) {
179 size = value.length();
182 public MockPayload(String s, int size) {
193 public String toString() {
198 public int hashCode() {
199 final int prime = 31;
201 result = prime * result + ((value == null) ? 0 : value.hashCode());
206 public boolean equals(Object obj) {
213 if (getClass() != obj.getClass()) {
216 MockPayload other = (MockPayload) obj;
218 if (other.value != null) {
221 } else if (!value.equals(other.value)) {
228 public static class MockReplicatedLogEntry implements ReplicatedLogEntry, Serializable {
229 private static final long serialVersionUID = 1L;
231 private final long term;
232 private final long index;
233 private final Payload data;
235 public MockReplicatedLogEntry(long term, long index, Payload data){
242 @Override public Payload getData() {
246 @Override public long getTerm() {
250 @Override public long getIndex() {
256 return getData().size();
260 public int hashCode() {
261 final int prime = 31;
263 result = prime * result + ((data == null) ? 0 : data.hashCode());
264 result = prime * result + (int) (index ^ (index >>> 32));
265 result = prime * result + (int) (term ^ (term >>> 32));
270 public boolean equals(Object obj) {
277 if (getClass() != obj.getClass()) {
280 MockReplicatedLogEntry other = (MockReplicatedLogEntry) obj;
282 if (other.data != null) {
285 } else if (!data.equals(other.data)) {
288 if (index != other.index) {
291 if (term != other.term) {
298 public String toString() {
299 StringBuilder builder = new StringBuilder();
300 builder.append("MockReplicatedLogEntry [term=").append(term).append(", index=").append(index)
301 .append(", data=").append(data).append("]");
302 return builder.toString();
306 public static class MockReplicatedLogBuilder {
307 private final ReplicatedLog mockLog = new SimpleReplicatedLog();
309 public MockReplicatedLogBuilder createEntries(int start, int end, int term) {
310 for (int i=start; i<end; i++) {
311 this.mockLog.append(new ReplicatedLogImplEntry(i, term, new MockRaftActorContext.MockPayload(Integer.toString(i))));
316 public MockReplicatedLogBuilder addEntry(int index, int term, MockPayload payload) {
317 this.mockLog.append(new ReplicatedLogImplEntry(index, term, payload));
321 public ReplicatedLog build() {
327 public void setCurrentBehavior(final RaftActorBehavior behavior) {
328 super.setCurrentBehavior(behavior);