scylla-jmx/src/main/java/org/apache/cassandra/streaming/SessionInfo.java

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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright 2015 ScyllaDB
*
* Modified by ScyllaDB
*/
package org.apache.cassandra.streaming;
import java.io.Serializable;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import javax.json.JsonArray;
import javax.json.JsonObject;
import com.google.common.base.Predicate;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
/**
* Stream session info.
*/
public final class SessionInfo implements Serializable
{
public final InetAddress peer;
public final int sessionIndex;
public final InetAddress connecting;
/** Immutable collection of receiving summaries */
public final Collection<StreamSummary> receivingSummaries;
/** Immutable collection of sending summaries*/
public final Collection<StreamSummary> sendingSummaries;
/** Current session state */
public final StreamSession.State state;
private final Map<String, ProgressInfo> receivingFiles;
private final Map<String, ProgressInfo> sendingFiles;
static InetAddress address(String val) {
try {
return InetAddress.getByName(val);
} catch (UnknownHostException e) {
}
return null;
}
public SessionInfo(InetAddress peer,
int sessionIndex,
InetAddress connecting,
Collection<StreamSummary> receivingSummaries,
Collection<StreamSummary> sendingSummaries,
StreamSession.State state) {
this.peer = peer;
this.sessionIndex = sessionIndex;
this.connecting = connecting;
this.receivingSummaries = ImmutableSet.copyOf(receivingSummaries);
this.sendingSummaries = ImmutableSet.copyOf(sendingSummaries);
this.receivingFiles = new ConcurrentHashMap<>();
this.sendingFiles = new ConcurrentHashMap<>();
this.state = state;
}
public SessionInfo(String peer,
int sessionIndex,
String connecting,
Collection<StreamSummary> receivingSummaries,
Collection<StreamSummary> sendingSummaries,
String state) {
this(address(peer), sessionIndex, address(connecting), receivingSummaries, sendingSummaries,
StreamSession.State.valueOf(state));
}
public static SessionInfo fromJsonObject(JsonObject obj) {
return new SessionInfo(obj.getString("peer"), obj.getInt("sessionIndex"),
obj.getString("connecting"),
StreamSummary.fromJsonArr(obj.getJsonArray("receivingSummaries")),
StreamSummary.fromJsonArr(obj.getJsonArray("sendingSummaries")),
obj.getString("state"));
}
public static Set<SessionInfo> fromJsonArr(JsonArray arr) {
Set<SessionInfo> res = new HashSet<SessionInfo>();
if (arr != null) {
for (int i = 0; i < arr.size(); i++) {
res.add(fromJsonObject(arr.getJsonObject(i)));
}
}
return res;
}
public boolean isFailed()
{
return state == StreamSession.State.FAILED;
}
/**
* Update progress of receiving/sending file.
*
* @param newProgress new progress info
*/
public void updateProgress(ProgressInfo newProgress)
{
assert peer.equals(newProgress.peer);
Map<String, ProgressInfo> currentFiles = newProgress.direction == ProgressInfo.Direction.IN
? receivingFiles : sendingFiles;
currentFiles.put(newProgress.fileName, newProgress);
}
public Collection<ProgressInfo> getReceivingFiles()
{
return receivingFiles.values();
}
public Collection<ProgressInfo> getSendingFiles()
{
return sendingFiles.values();
}
/**
* @return total number of files already received.
*/
public long getTotalFilesReceived()
{
return getTotalFilesCompleted(receivingFiles.values());
}
/**
* @return total number of files already sent.
*/
public long getTotalFilesSent()
{
return getTotalFilesCompleted(sendingFiles.values());
}
/**
* @return total size(in bytes) already received.
*/
public long getTotalSizeReceived()
{
return getTotalSizeInProgress(receivingFiles.values());
}
/**
* @return total size(in bytes) already sent.
*/
public long getTotalSizeSent()
{
return getTotalSizeInProgress(sendingFiles.values());
}
/**
* @return total number of files to receive in the session
*/
public long getTotalFilesToReceive()
{
return getTotalFiles(receivingSummaries);
}
/**
* @return total number of files to send in the session
*/
public long getTotalFilesToSend()
{
return getTotalFiles(sendingSummaries);
}
/**
* @return total size(in bytes) to receive in the session
*/
public long getTotalSizeToReceive()
{
return getTotalSizes(receivingSummaries);
}
/**
* @return total size(in bytes) to send in the session
*/
public long getTotalSizeToSend()
{
return getTotalSizes(sendingSummaries);
}
private long getTotalSizeInProgress(Collection<ProgressInfo> files)
{
long total = 0;
for (ProgressInfo file : files)
total += file.currentBytes;
return total;
}
private long getTotalFiles(Collection<StreamSummary> summaries)
{
long total = 0;
for (StreamSummary summary : summaries)
total += summary.files;
return total;
}
private long getTotalSizes(Collection<StreamSummary> summaries)
{
long total = 0;
for (StreamSummary summary : summaries)
total += summary.totalSize;
return total;
}
private long getTotalFilesCompleted(Collection<ProgressInfo> files)
{
Iterable<ProgressInfo> completed = Iterables.filter(files, new Predicate<ProgressInfo>()
{
public boolean apply(ProgressInfo input)
{
return input.isCompleted();
}
});
return Iterables.size(completed);
}
}