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/*
* Copyright 2014 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.openflow.controller;
import org.projectfloodlight.openflow.protocol.OFPortStatus;
/**
* Allows for providers interested in Switch events to be notified.
*/
public interface OpenFlowSwitchListener {
/**
* Notify that the switch was added.
* @param dpid the switch where the event occurred
*/
void switchAdded(Dpid dpid);
/**
* Notify that the switch was removed.
* @param dpid the switch where the event occurred.
*/
void switchRemoved(Dpid dpid);
/**
* Notify that the switch has changed in some way.
* @param dpid the switch that changed
*/
void switchChanged(Dpid dpid);
/**
* Notify that a port has changed.
* @param dpid the switch on which the change happened.
* @param status the new state of the port.
*/
void portChanged(Dpid dpid, OFPortStatus status);
/**
* Notify that a role imposed on a switch failed to take hold.
*
* @param dpid the switch that failed role assertion
* @param requested the role controller requested
* @param response role reply from the switch
*/
void receivedRoleReply(Dpid dpid, RoleState requested, RoleState response);
}
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