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/*
* 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.
*/
package org.onosproject.net.device;
/**
* Statistics of a port.
*/
public interface PortStatistics {
/**
* Returns the port number.
*
* @return port number
*/
int port();
/**
* Returns the number of packets received.
*
* @return the number of packets received
*/
long packetsReceived();
/**
* Returns the number of packets sent.
*
* @return the number of packets sent
*/
long packetsSent();
/**
* Returns the bytes received.
*
* @return the bytes received
*/
long bytesReceived();
/**
* Returns the bytes sent.
*
* @return the bytes sent
*/
long bytesSent();
/**
* Returns the number of packets dropped by RX.
*
* @return the number of packets dropped by RX
*/
long packetsRxDropped();
/**
* Returns the number of packets dropped by TX.
*
* @return the number of packets dropped by TX
*/
long packetsTxDropped();
/**
* Returns the number of transmit errors.
*
* @return the number of transmit errors
*/
long packetsRxErrors();
/**
* Returns the number of receive errors.
*
* @return the number of receive error
*/
long packetsTxErrors();
/**
* Returns the time port has been alive in seconds.
*
* @return the time port has been alive in seconds
*/
long durationSec();
/**
* Returns the time port has been alive in nano seconds.
*
* @return the time port has been alive in nano seconds
*/
long durationNano();
}
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