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/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.os;
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 java.io.IOException;
import java.io.Serializable;
import java.util.concurrent.TimeUnit;
/**
* @author kimchy (shay.banon)
*/
public class OsStats implements Streamable, Serializable, ToXContent {
public static final double[] EMPTY_LOAD = new double[0];
long timestamp;
double[] loadAverage = EMPTY_LOAD;
long uptime = -1;
Cpu cpu = null;
Mem mem = null;
Swap swap = null;
OsStats() {
}
public long timestamp() {
return timestamp;
}
public long getTimestamp() {
return timestamp();
}
public double[] loadAverage() {
return loadAverage;
}
public double[] getLoadAverage() {
return loadAverage();
}
public TimeValue uptime() {
return new TimeValue(uptime, TimeUnit.SECONDS);
}
public TimeValue getUptime() {
return uptime();
}
public Cpu cpu() {
return this.cpu;
}
public Cpu getCpu() {
return cpu();
}
public Mem mem() {
return this.mem;
}
public Mem getMem() {
return mem();
}
public Swap swap() {
return this.swap;
}
public Swap getSwap() {
return swap();
}
@Override public void toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject("os");
builder.field("timestamp", timestamp);
builder.field("uptime", uptime().format());
builder.field("uptime_in_millis", uptime().millis());
builder.startArray("load_average");
for (double value : loadAverage) {
builder.value(value);
}
builder.endArray();
if (cpu != null) {
builder.startObject("cpu");
builder.field("sys", cpu.sys());
builder.field("user", cpu.user());
builder.field("idle", cpu.idle());
builder.endObject();
}
if (mem != null) {
builder.startObject("mem");
builder.field("free", mem.free().toString());
builder.field("free_in_bytes", mem.free().bytes());
builder.field("used", mem.used().toString());
builder.field("used_in_bytes", mem.used().bytes());
builder.field("free_percent", mem.freePercent());
builder.field("used_percent", mem.usedPercent());
builder.field("actual_free", mem.actualFree().toString());
builder.field("actual_free_in_bytes", mem.actualFree().bytes());
builder.field("actual_used", mem.actualUsed().toString());
builder.field("actual_used_in_bytes", mem.actualUsed().bytes());
builder.endObject();
}
if (swap != null) {
builder.startObject("swap");
builder.field("used", swap.used().toString());
builder.field("used_in_bytes", swap.used().bytes());
builder.field("free", swap.free().toString());
builder.field("free_in_bytes", swap.free().bytes());
builder.endObject();
}
builder.endObject();
}
public static OsStats readOsStats(StreamInput in) throws IOException {
OsStats stats = new OsStats();
stats.readFrom(in);
return stats;
}
@Override public void readFrom(StreamInput in) throws IOException {
timestamp = in.readVLong();
loadAverage = new double[in.readVInt()];
for (int i = 0; i < loadAverage.length; i++) {
loadAverage[i] = in.readDouble();
}
uptime = in.readLong();
if (in.readBoolean()) {
cpu = Cpu.readCpu(in);
}
if (in.readBoolean()) {
mem = Mem.readMem(in);
}
if (in.readBoolean()) {
swap = Swap.readSwap(in);
}
}
@Override public void writeTo(StreamOutput out) throws IOException {
out.writeVLong(timestamp);
out.writeVInt(loadAverage.length);
for (double val : loadAverage) {
out.writeDouble(val);
}
out.writeLong(uptime);
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);
}
if (swap == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
swap.writeTo(out);
}
}
public static class Swap implements Streamable, Serializable {
long free = -1;
long used = -1;
public ByteSizeValue free() {
return new ByteSizeValue(free);
}
public ByteSizeValue getFree() {
return free();
}
public ByteSizeValue used() {
return new ByteSizeValue(used);
}
public ByteSizeValue getUsed() {
return used();
}
public static Swap readSwap(StreamInput in) throws IOException {
Swap swap = new Swap();
swap.readFrom(in);
return swap;
}
@Override public void readFrom(StreamInput in) throws IOException {
free = in.readLong();
used = in.readLong();
}
@Override public void writeTo(StreamOutput out) throws IOException {
out.writeLong(free);
out.writeLong(used);
}
}
public static class Mem implements Streamable, Serializable {
long free = -1;
short freePercent = -1;
long used = -1;
short usedPercent = -1;
long actualFree = -1;
long actualUsed = -1;
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 {
free = in.readLong();
freePercent = in.readShort();
used = in.readLong();
usedPercent = in.readShort();
actualFree = in.readLong();
actualUsed = in.readLong();
}
@Override public void writeTo(StreamOutput out) throws IOException {
out.writeLong(free);
out.writeShort(freePercent);
out.writeLong(used);
out.writeShort(usedPercent);
out.writeLong(actualFree);
out.writeLong(actualUsed);
}
public ByteSizeValue used() {
return new ByteSizeValue(used);
}
public ByteSizeValue getUsed() {
return used();
}
public short usedPercent() {
return usedPercent;
}
public short getUsedPercent() {
return usedPercent();
}
public ByteSizeValue free() {
return new ByteSizeValue(free);
}
public ByteSizeValue getFree() {
return free();
}
public short freePercent() {
return freePercent;
}
public short getFreePercent() {
return freePercent();
}
public ByteSizeValue actualFree() {
return new ByteSizeValue(actualFree);
}
public ByteSizeValue getActualFree() {
return actualFree();
}
public ByteSizeValue actualUsed() {
return new ByteSizeValue(actualUsed);
}
public ByteSizeValue getActualUsed() {
return actualUsed();
}
}
public static class Cpu implements Streamable, Serializable {
short sys = -1;
short user = -1;
short idle = -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 {
sys = in.readShort();
user = in.readShort();
idle = in.readShort();
}
@Override public void writeTo(StreamOutput out) throws IOException {
out.writeShort(sys);
out.writeShort(user);
out.writeShort(idle);
}
public short sys() {
return sys;
}
public short getSys() {
return sys();
}
public short user() {
return user;
}
public short getUser() {
return user();
}
public short idle() {
return idle;
}
public short getIdle() {
return idle();
}
}
}