* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
-
package org.opendaylight.controller.cluster.raft.behaviors;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
+import static java.util.Objects.requireNonNull;
+
import com.google.common.io.ByteSource;
-import com.google.common.io.CountingOutputStream;
-import java.io.ByteArrayOutputStream;
+import java.io.BufferedOutputStream;
import java.io.IOException;
import java.util.Arrays;
+import java.util.OptionalInt;
+import org.opendaylight.controller.cluster.io.FileBackedOutputStream;
+import org.opendaylight.controller.cluster.raft.RaftActorContext;
import org.slf4j.Logger;
/**
private final Logger log;
private final int totalChunks;
private final String leaderId;
- private final CountingOutputStream countingStream;
- private final ByteArrayOutputStream backingStream;
+ private final BufferedOutputStream bufferedStream;
+ private final FileBackedOutputStream fileBackedStream;
private int lastChunkIndex = LeaderInstallSnapshotState.FIRST_CHUNK_INDEX - 1;
private boolean sealed = false;
private int lastChunkHashCode = LeaderInstallSnapshotState.INITIAL_LAST_CHUNK_HASH_CODE;
+ private long count;
- SnapshotTracker(Logger log, int totalChunks, String leaderId) {
+ SnapshotTracker(final Logger log, final int totalChunks, final String leaderId, final RaftActorContext context) {
this.log = log;
this.totalChunks = totalChunks;
- this.leaderId = Preconditions.checkNotNull(leaderId);
-
- backingStream = new ByteArrayOutputStream();
- countingStream = new CountingOutputStream(backingStream);
+ this.leaderId = requireNonNull(leaderId);
+ fileBackedStream = context.getFileBackedOutputStreamFactory().newInstance();
+ bufferedStream = new BufferedOutputStream(fileBackedStream);
}
/**
* @return true if this is the last chunk is received
* @throws InvalidChunkException if the chunk index is invalid or out of order
*/
- boolean addChunk(int chunkIndex, byte[] chunk, Optional<Integer> maybeLastChunkHashCode)
+ boolean addChunk(final int chunkIndex, final byte[] chunk, final OptionalInt maybeLastChunkHashCode)
throws InvalidChunkException, IOException {
log.debug("addChunk: chunkIndex={}, lastChunkIndex={}, collectedChunks.size={}, lastChunkHashCode={}",
- chunkIndex, lastChunkIndex, countingStream.getCount(), this.lastChunkHashCode);
+ chunkIndex, lastChunkIndex, count, this.lastChunkHashCode);
if (sealed) {
throw new InvalidChunkException("Invalid chunk received with chunkIndex " + chunkIndex
throw new InvalidChunkException("Expected chunkIndex " + (lastChunkIndex + 1) + " got " + chunkIndex);
}
- if (maybeLastChunkHashCode.isPresent() && maybeLastChunkHashCode.get() != this.lastChunkHashCode) {
+ if (maybeLastChunkHashCode.isPresent() && maybeLastChunkHashCode.getAsInt() != this.lastChunkHashCode) {
throw new InvalidChunkException("The hash code of the recorded last chunk does not match "
+ "the senders hash code, expected " + this.lastChunkHashCode + " was "
- + maybeLastChunkHashCode.get());
+ + maybeLastChunkHashCode.getAsInt());
}
- countingStream.write(chunk);
+ bufferedStream.write(chunk);
+ count += chunk.length;
sealed = chunkIndex == totalChunks;
lastChunkIndex = chunkIndex;
this.lastChunkHashCode = Arrays.hashCode(chunk);
return sealed;
}
- ByteSource getSnapshotBytes() {
+ ByteSource getSnapshotBytes() throws IOException {
if (!sealed) {
throw new IllegalStateException("lastChunk not received yet");
}
- return ByteSource.wrap(backingStream.toByteArray());
+ bufferedStream.close();
+ return fileBackedStream.asByteSource();
}
String getLeaderId() {
@Override
public void close() {
- try {
- countingStream.close();
- } catch (IOException e) {
- log.warn("Error closing snapshot stream");
- }
+ fileBackedStream.cleanup();
}
public static class InvalidChunkException extends IOException {
private static final long serialVersionUID = 1L;
- InvalidChunkException(String message) {
+ InvalidChunkException(final String message) {
super(message);
}
}