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Elasticsearch subproject :server
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.
*/
package org.elasticsearch.monitor.process;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Streamable;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentBuilderString;
import java.io.IOException;
public class ProcessStats implements Streamable, ToXContent {
long timestamp = -1;
long openFileDescriptors = -1;
long maxFileDescriptors = -1;
Cpu cpu = null;
Mem mem = null;
ProcessStats() {
}
public long getTimestamp() {
return timestamp;
}
public long getOpenFileDescriptors() {
return openFileDescriptors;
}
public long getMaxFileDescriptors() {
return maxFileDescriptors;
}
public Cpu getCpu() {
return cpu;
}
public Mem getMem() {
return mem;
}
static final class Fields {
static final XContentBuilderString PROCESS = new XContentBuilderString("process");
static final XContentBuilderString TIMESTAMP = new XContentBuilderString("timestamp");
static final XContentBuilderString OPEN_FILE_DESCRIPTORS = new XContentBuilderString("open_file_descriptors");
static final XContentBuilderString MAX_FILE_DESCRIPTORS = new XContentBuilderString("max_file_descriptors");
static final XContentBuilderString CPU = new XContentBuilderString("cpu");
static final XContentBuilderString PERCENT = new XContentBuilderString("percent");
static final XContentBuilderString TOTAL = new XContentBuilderString("total");
static final XContentBuilderString TOTAL_IN_MILLIS = new XContentBuilderString("total_in_millis");
static final XContentBuilderString MEM = new XContentBuilderString("mem");
static final XContentBuilderString TOTAL_VIRTUAL = new XContentBuilderString("total_virtual");
static final XContentBuilderString TOTAL_VIRTUAL_IN_BYTES = new XContentBuilderString("total_virtual_in_bytes");
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject(Fields.PROCESS);
builder.field(Fields.TIMESTAMP, timestamp);
builder.field(Fields.OPEN_FILE_DESCRIPTORS, openFileDescriptors);
builder.field(Fields.MAX_FILE_DESCRIPTORS, maxFileDescriptors);
if (cpu != null) {
builder.startObject(Fields.CPU);
builder.field(Fields.PERCENT, cpu.percent);
builder.timeValueField(Fields.TOTAL_IN_MILLIS, Fields.TOTAL, cpu.total);
builder.endObject();
}
if (mem != null) {
builder.startObject(Fields.MEM);
builder.byteSizeField(Fields.TOTAL_VIRTUAL_IN_BYTES, Fields.TOTAL_VIRTUAL, mem.totalVirtual);
builder.endObject();
}
builder.endObject();
return builder;
}
public static ProcessStats readProcessStats(StreamInput in) throws IOException {
ProcessStats stats = new ProcessStats();
stats.readFrom(in);
return stats;
}
@Override
public void readFrom(StreamInput in) throws IOException {
timestamp = in.readVLong();
openFileDescriptors = in.readLong();
maxFileDescriptors = in.readLong();
if (in.readBoolean()) {
cpu = Cpu.readCpu(in);
}
if (in.readBoolean()) {
mem = Mem.readMem(in);
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVLong(timestamp);
out.writeLong(openFileDescriptors);
out.writeLong(maxFileDescriptors);
if (cpu == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
cpu.writeTo(out);
}
if (mem == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
mem.writeTo(out);
}
}
public static class Mem implements Streamable {
long totalVirtual = -1;
Mem() {
}
public static Mem readMem(StreamInput in) throws IOException {
Mem mem = new Mem();
mem.readFrom(in);
return mem;
}
@Override
public void readFrom(StreamInput in) throws IOException {
totalVirtual = in.readLong();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeLong(totalVirtual);
}
public ByteSizeValue getTotalVirtual() {
return new ByteSizeValue(totalVirtual);
}
}
public static class Cpu implements Streamable {
short percent = -1;
long total = -1;
Cpu() {
}
public static Cpu readCpu(StreamInput in) throws IOException {
Cpu cpu = new Cpu();
cpu.readFrom(in);
return cpu;
}
@Override
public void readFrom(StreamInput in) throws IOException {
percent = in.readShort();
total = in.readLong();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeShort(percent);
out.writeLong(total);
}
/**
* Get the Process cpu usage.
*
* Supported Platforms: All.
*/
public short getPercent() {
return percent;
}
/**
* Get the Process cpu time (sum of User and Sys).
*
* Supported Platforms: All.
*/
public TimeValue getTotal() {
return new TimeValue(total);
}
}
}