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package org.onosproject.cli.net;
/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed 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.
*/
import static org.onosproject.net.DeviceId.deviceId;
import java.util.concurrent.TimeUnit;
import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.apache.karaf.shell.commands.Option;
import org.onosproject.net.Device;
import org.onosproject.net.DeviceId;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.device.PortStatistics;
/**
* Lists port statistic of all ports in the system.
*/
@Command(scope = "onos", name = "portstats",
description = "Lists statistics of all ports in the system")
public class DevicePortStatsCommand extends DevicesListCommand {
@Option(name = "-d", aliases = "--delta", description = "Show Delta Port Statistics,"
+ "only for the last polling interval",
required = false, multiValued = false)
private boolean delta = false;
@Option(name = "-t", aliases = "--table", description = "Show human readable table format for statistics",
required = false, multiValued = false)
private boolean table = false;
@Argument(index = 0, name = "uri", description = "Device ID",
required = false, multiValued = false)
String uri = null;
private static final String FORMAT =
" port=%s, pktRx=%s, pktTx=%s, bytesRx=%s, bytesTx=%s, pktRxDrp=%s, pktTxDrp=%s, Dur=%s";
@Override
protected void execute() {
DeviceService deviceService = get(DeviceService.class);
if (uri == null) {
for (Device d : getSortedDevices(deviceService)) {
if (delta) {
if (table) {
printPortStatsDeltaTable(d.id(), deviceService.getPortDeltaStatistics(d.id()));
} else {
printPortStatsDelta(d.id(), deviceService.getPortDeltaStatistics(d.id()));
}
} else {
printPortStats(d.id(), deviceService.getPortStatistics(d.id()));
}
}
} else {
Device d = deviceService.getDevice(deviceId(uri));
if (d == null) {
error("No such device %s", uri);
} else if (delta) {
if (table) {
printPortStatsDeltaTable(d.id(), deviceService.getPortDeltaStatistics(d.id()));
} else {
printPortStatsDelta(d.id(), deviceService.getPortDeltaStatistics(d.id()));
}
} else {
printPortStats(d.id(), deviceService.getPortStatistics(d.id()));
}
}
}
/**
* Prints Port Statistics.
*
* @param deviceId
* @param portStats
*/
private void printPortStats(DeviceId deviceId, Iterable<PortStatistics> portStats) {
print("deviceId=%s", deviceId);
for (PortStatistics stat : portStats) {
print(FORMAT, stat.port(), stat.packetsReceived(), stat.packetsSent(), stat.bytesReceived(),
stat.bytesSent(), stat.packetsRxDropped(), stat.packetsTxDropped(), stat.durationSec());
}
}
/**
* Prints Port delta statistics.
*
* @param deviceId
* @param portStats
*/
private void printPortStatsDelta(DeviceId deviceId, Iterable<PortStatistics> portStats) {
final String formatDelta = " port=%s, pktRx=%s, pktTx=%s, bytesRx=%s, bytesTx=%s,"
+ " rateRx=%s, rateTx=%s, pktRxDrp=%s, pktTxDrp=%s, interval=%s";
print("deviceId=%s", deviceId);
for (PortStatistics stat : portStats) {
float duration = ((float) stat.durationSec()) +
(((float) stat.durationNano()) / TimeUnit.SECONDS.toNanos(1));
float rateRx = stat.bytesReceived() * 8 / duration;
float rateTx = stat.bytesSent() * 8 / duration;
print(formatDelta, stat.port(),
stat.packetsReceived(),
stat.packetsSent(),
stat.bytesReceived(),
stat.bytesSent(),
String.format("%.1f", rateRx),
String.format("%.1f", rateTx),
stat.packetsRxDropped(),
stat.packetsTxDropped(),
String.format("%.3f", duration));
}
}
/**
* Prints human readable table with delta Port Statistics for specific device.
*
* @param deviceId
* @param portStats
*/
private void printPortStatsDeltaTable(DeviceId deviceId, Iterable<PortStatistics> portStats) {
final String formatDeltaTable = "|%5s | %7s | %7s | %7s | %7s | %7s | %7s | %7s | %7s |%9s |";
print("+---------------------------------------------------------------------------------------------------+");
print("| DeviceId = %s |", deviceId);
print("|---------------------------------------------------------------------------------------------------|");
print("| | Receive | Transmit | Time [s] |");
print("| Port | Packets | Bytes | Rate bps | Drop | Packets | Bytes | Rate bps | Drop | Interval |");
print("|---------------------------------------------------------------------------------------------------|");
for (PortStatistics stat : portStats) {
float duration = ((float) stat.durationSec()) +
(((float) stat.durationNano()) / TimeUnit.SECONDS.toNanos(1));
float rateRx = stat.bytesReceived() * 8 / duration;
float rateTx = stat.bytesSent() * 8 / duration;
print(formatDeltaTable, stat.port(),
humanReadable(stat.packetsReceived()),
humanReadable(stat.bytesReceived()),
humanReadableBps(rateRx),
humanReadable(stat.packetsRxDropped()),
humanReadable(stat.packetsSent()),
humanReadable(stat.bytesSent()),
humanReadableBps(rateTx),
humanReadable(stat.packetsTxDropped()),
String.format("%.3f", duration));
}
print("+---------------------------------------------------------------------------------------------------+");
}
/**
* Converts bytes to human readable string with Kilo, Mega, Giga, etc.
*
* @param bytes input byte array
* @return human readble string
*/
public static String humanReadable(long bytes) {
int unit = 1000;
if (bytes < unit) {
return String.format("%s ", bytes);
}
int exp = (int) (Math.log(bytes) / Math.log(unit));
Character pre = ("KMGTPE").charAt(exp - 1);
return String.format("%.2f%s", bytes / Math.pow(unit, exp), pre);
}
/**
* Converts bps to human readable format.
*
* @param bps input rate
* @return human readble string
*/
public static String humanReadableBps(float bps) {
int unit = 1000;
if (bps < unit) {
return String.format("%.0f ", (float) bps);
}
int exp = (int) (Math.log(bps) / Math.log(unit));
Character pre = ("KMGTPE").charAt(exp - 1);
return String.format("%.2f%s", bps / Math.pow(unit, exp), pre);
}
}
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