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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.bgp.controller;
import java.util.List;
import org.jboss.netty.channel.Channel;
import org.onosproject.bgpio.exceptions.BgpParseException;
import org.onosproject.bgpio.protocol.BgpFactory;
import org.onosproject.bgpio.protocol.BgpMessage;
import org.onosproject.bgpio.types.BgpValueType;
/**
* Represents the peer side of an BGP peer.
*
*/
public interface BgpPeer {
/**
* Sets the associated Netty channel for this bgp peer.
*
* @param channel the Netty channel
*/
void setChannel(Channel channel);
/**
* Gets the associated Netty channel handler for this bgp peer.
*
* @return Channel channel connected.
*/
Channel getChannel();
/**
* Sets whether the bgp peer is connected.
*
* @param connected whether the bgp peer is connected
*/
void setConnected(boolean connected);
/**
* Checks whether the handshake is complete.
*
* @return true is finished, false if not.
*/
boolean isHandshakeComplete();
/**
* Writes the message to the peer.
*
* @param msg the message to write
*/
void sendMessage(BgpMessage msg);
/**
* Writes the BGPMessage list to the peer.
*
* @param msgs the messages to be written
*/
void sendMessage(List<BgpMessage> msgs);
/**
* Provides the factory for BGP version.
*
* @return BGP version specific factory.
*/
BgpFactory factory();
/**
* Checks if the bgp peer is still connected.
*
* @return whether the bgp peer is still connected
*/
boolean isConnected();
/**
* Disconnects the bgp peer by closing the TCP connection. Results in a call to the channel handler's
* channelDisconnected method for cleanup
*/
void disconnectPeer();
/**
* Identifies the channel used to communicate with the bgp peer.
*
* @return string representation of the connection to the peer
*/
String channelId();
/**
* Maintaining Adj-RIB-In separately for each peer.
*
* @param pathAttr list of Bgp path attributes
* @throws BgpParseException while building Adj-Rib-In
*/
void buildAdjRibIn(List<BgpValueType> pathAttr) throws BgpParseException;
/**
* Return the BGP session info.
*
* @return sessionInfo bgp session info
*/
BgpSessionInfo sessionInfo();
}
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