package org.opendaylight.controller.cluster.raft.messages;
+import com.google.common.base.Optional;
import com.google.protobuf.ByteString;
-import org.opendaylight.controller.cluster.raft.protobuff.messages.InstallSnapshotMessages;
-
-public class InstallSnapshot extends AbstractRaftRPC {
-
- public static final Class SERIALIZABLE_CLASS = InstallSnapshotMessages.InstallSnapshot.class;
-
- private final String leaderId;
- private final long lastIncludedIndex;
- private final long lastIncludedTerm;
- private final ByteString data;
- private final int chunkIndex;
- private final int totalChunks;
+import java.io.Externalizable;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+import org.opendaylight.controller.cluster.raft.RaftVersions;
+import org.opendaylight.controller.cluster.raft.persisted.ServerConfigurationPayload;
+import org.opendaylight.controller.protobuff.messages.cluster.raft.InstallSnapshotMessages;
+
+public class InstallSnapshot extends AbstractRaftRPC implements Externalizable {
+ private static final long serialVersionUID = 1L;
+ public static final Class<InstallSnapshotMessages.InstallSnapshot> SERIALIZABLE_CLASS = InstallSnapshotMessages.InstallSnapshot.class;
+
+ private String leaderId;
+ private long lastIncludedIndex;
+ private long lastIncludedTerm;
+ private byte[] data;
+ private int chunkIndex;
+ private int totalChunks;
+ private Optional<Integer> lastChunkHashCode;
+ private Optional<ServerConfigurationPayload> serverConfig;
+
+ /**
+ * Empty constructor to satisfy Externalizable.
+ */
+ public InstallSnapshot() {
+ }
- public InstallSnapshot(long term, String leaderId, long lastIncludedIndex,
- long lastIncludedTerm, ByteString data, int chunkIndex, int totalChunks) {
+ public InstallSnapshot(long term, String leaderId, long lastIncludedIndex, long lastIncludedTerm, byte[] data,
+ int chunkIndex, int totalChunks, Optional<Integer> lastChunkHashCode, Optional<ServerConfigurationPayload> serverConfig) {
super(term);
this.leaderId = leaderId;
this.lastIncludedIndex = lastIncludedIndex;
this.data = data;
this.chunkIndex = chunkIndex;
this.totalChunks = totalChunks;
+ this.lastChunkHashCode = lastChunkHashCode;
+ this.serverConfig = serverConfig;
+ }
+
+ public InstallSnapshot(long term, String leaderId, long lastIncludedIndex,
+ long lastIncludedTerm, byte[] data, int chunkIndex, int totalChunks) {
+ this(term, leaderId, lastIncludedIndex, lastIncludedTerm, data, chunkIndex, totalChunks,
+ Optional.<Integer>absent(), Optional.<ServerConfigurationPayload>absent());
}
public String getLeaderId() {
return lastIncludedTerm;
}
- public ByteString getData() {
+ public byte[] getData() {
return data;
}
return totalChunks;
}
- public <T extends Object> Object toSerializable(){
- return InstallSnapshotMessages.InstallSnapshot.newBuilder()
- .setLeaderId(this.getLeaderId())
- .setChunkIndex(this.getChunkIndex())
- .setData(this.getData())
- .setLastIncludedIndex(this.getLastIncludedIndex())
- .setLastIncludedTerm(this.getLastIncludedTerm())
- .setTotalChunks(this.getTotalChunks()).build();
+ public Optional<Integer> getLastChunkHashCode() {
+ return lastChunkHashCode;
+ }
+ public Optional<ServerConfigurationPayload> getServerConfig() {
+ return serverConfig;
}
- public static InstallSnapshot fromSerializable (Object o) {
- InstallSnapshotMessages.InstallSnapshot from =
- (InstallSnapshotMessages.InstallSnapshot) o;
+ @Override
+ public void writeExternal(ObjectOutput out) throws IOException {
+ out.writeShort(RaftVersions.CURRENT_VERSION);
+ out.writeLong(getTerm());
+ out.writeUTF(leaderId);
+ out.writeLong(lastIncludedIndex);
+ out.writeLong(lastIncludedTerm);
+ out.writeInt(chunkIndex);
+ out.writeInt(totalChunks);
+
+ out.writeByte(lastChunkHashCode.isPresent() ? 1 : 0);
+ if(lastChunkHashCode.isPresent()) {
+ out.writeInt(lastChunkHashCode.get().intValue());
+ }
+
+ out.writeByte(serverConfig.isPresent() ? 1 : 0);
+ if(serverConfig.isPresent()) {
+ out.writeObject(serverConfig.get());
+ }
+
+ out.writeObject(data);
+ }
+
+ @Override
+ public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
+ in.readShort(); // raft version - not currently used
+ setTerm(in.readLong());
+ leaderId = in.readUTF();
+ lastIncludedIndex = in.readLong();
+ lastIncludedTerm = in.readLong();
+ chunkIndex = in.readInt();
+ totalChunks = in.readInt();
+
+ lastChunkHashCode = Optional.absent();
+ boolean chunkHashCodePresent = in.readByte() == 1;
+ if(chunkHashCodePresent) {
+ lastChunkHashCode = Optional.of(in.readInt());
+ }
+
+ serverConfig = Optional.absent();
+ boolean serverConfigPresent = in.readByte() == 1;
+ if(serverConfigPresent) {
+ serverConfig = Optional.of((ServerConfigurationPayload)in.readObject());
+ }
+
+ data = (byte[])in.readObject();
+ }
+
+ public <T extends Object> Object toSerializable(short version) {
+ if(version >= RaftVersions.BORON_VERSION) {
+ return this;
+ } else {
+ InstallSnapshotMessages.InstallSnapshot.Builder builder = InstallSnapshotMessages.InstallSnapshot.newBuilder()
+ .setTerm(this.getTerm())
+ .setLeaderId(this.getLeaderId())
+ .setChunkIndex(this.getChunkIndex())
+ .setData(ByteString.copyFrom(getData()))
+ .setLastIncludedIndex(this.getLastIncludedIndex())
+ .setLastIncludedTerm(this.getLastIncludedTerm())
+ .setTotalChunks(this.getTotalChunks());
+
+ if(lastChunkHashCode.isPresent()){
+ builder.setLastChunkHashCode(lastChunkHashCode.get());
+ }
+ return builder.build();
+ }
+ }
- InstallSnapshot installSnapshot = new InstallSnapshot(from.getTerm(),
- from.getLeaderId(), from.getLastIncludedIndex(),
- from.getLastIncludedTerm(), from.getData(),
- from.getChunkIndex(), from.getTotalChunks());
+ @Override
+ public String toString() {
+ return "InstallSnapshot [term=" + getTerm() + ", leaderId=" + leaderId + ", lastIncludedIndex="
+ + lastIncludedIndex + ", lastIncludedTerm=" + lastIncludedTerm + ", datasize=" + data.length
+ + ", Chunk=" + chunkIndex + "/" + totalChunks + ", lastChunkHashCode=" + lastChunkHashCode
+ + ", serverConfig=" + serverConfig.orNull() + "]";
+ }
+
+ public static InstallSnapshot fromSerializable (Object o) {
+ if(o instanceof InstallSnapshot) {
+ return (InstallSnapshot)o;
+ } else {
+ InstallSnapshotMessages.InstallSnapshot from =
+ (InstallSnapshotMessages.InstallSnapshot) o;
+
+ Optional<Integer> lastChunkHashCode = Optional.absent();
+ if(from.hasLastChunkHashCode()){
+ lastChunkHashCode = Optional.of(from.getLastChunkHashCode());
+ }
+
+ InstallSnapshot installSnapshot = new InstallSnapshot(from.getTerm(),
+ from.getLeaderId(), from.getLastIncludedIndex(),
+ from.getLastIncludedTerm(), from.getData().toByteArray(),
+ from.getChunkIndex(), from.getTotalChunks(), lastChunkHashCode,
+ Optional.<ServerConfigurationPayload>absent());
+
+ return installSnapshot;
+ }
+ }
- return installSnapshot;
+ public static boolean isSerializedType(Object message) {
+ return message instanceof InstallSnapshot || message instanceof InstallSnapshotMessages.InstallSnapshot;
}
}
Code Review / controller.git / blobdiff