| /* |
| * 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.impl; |
| |
| import java.net.InetSocketAddress; |
| import java.net.SocketAddress; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.concurrent.RejectedExecutionException; |
| |
| import org.jboss.netty.channel.Channel; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.bgp.controller.BGPController; |
| import org.onosproject.bgp.controller.BGPPeer; |
| import org.onosproject.bgp.controller.BgpSessionInfo; |
| import org.onosproject.bgpio.protocol.BGPFactories; |
| import org.onosproject.bgpio.protocol.BGPFactory; |
| import org.onosproject.bgpio.protocol.BGPMessage; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.base.MoreObjects; |
| |
| /** |
| * BGPPeerImpl implements BGPPeer, maintains peer information and store updates in RIB . |
| */ |
| public class BGPPeerImpl implements BGPPeer { |
| |
| protected final Logger log = LoggerFactory.getLogger(BGPPeerImpl.class); |
| |
| private static final String SHUTDOWN_MSG = "Worker has already been shutdown"; |
| |
| private BGPController bgpController; |
| private Channel channel; |
| protected String channelId; |
| private boolean connected; |
| protected boolean isHandShakeComplete = false; |
| private BgpSessionInfo sessionInfo; |
| private BGPPacketStatsImpl pktStats; |
| |
| |
| @Override |
| public BgpSessionInfo sessionInfo() { |
| return sessionInfo; |
| } |
| |
| /** |
| * Initialize peer. |
| * |
| *@param bgpController controller instance |
| *@param sessionInfo bgp session info |
| *@param pktStats packet statistics |
| */ |
| public BGPPeerImpl(BGPController bgpController, BgpSessionInfo sessionInfo, BGPPacketStatsImpl pktStats) { |
| this.bgpController = bgpController; |
| this.sessionInfo = sessionInfo; |
| this.pktStats = pktStats; |
| } |
| |
| // ************************ |
| // Channel related |
| // ************************ |
| |
| @Override |
| public final void disconnectPeer() { |
| this.channel.close(); |
| } |
| |
| @Override |
| public final void sendMessage(BGPMessage m) { |
| log.debug("Sending message to {}", channel.getRemoteAddress()); |
| try { |
| channel.write(Collections.singletonList(m)); |
| this.pktStats.addOutPacket(); |
| } catch (RejectedExecutionException e) { |
| log.warn(e.getMessage()); |
| if (!e.getMessage().contains(SHUTDOWN_MSG)) { |
| throw e; |
| } |
| } |
| } |
| |
| @Override |
| public final void sendMessage(List<BGPMessage> msgs) { |
| try { |
| channel.write(msgs); |
| this.pktStats.addOutPacket(msgs.size()); |
| } catch (RejectedExecutionException e) { |
| log.warn(e.getMessage()); |
| if (!e.getMessage().contains(SHUTDOWN_MSG)) { |
| throw e; |
| } |
| } |
| } |
| |
| @Override |
| public final boolean isConnected() { |
| return this.connected; |
| } |
| |
| @Override |
| public final void setConnected(boolean connected) { |
| this.connected = connected; |
| }; |
| |
| @Override |
| public final void setChannel(Channel channel) { |
| this.channel = channel; |
| final SocketAddress address = channel.getRemoteAddress(); |
| if (address instanceof InetSocketAddress) { |
| final InetSocketAddress inetAddress = (InetSocketAddress) address; |
| final IpAddress ipAddress = IpAddress.valueOf(inetAddress.getAddress()); |
| if (ipAddress.isIp4()) { |
| channelId = ipAddress.toString() + ':' + inetAddress.getPort(); |
| } else { |
| channelId = '[' + ipAddress.toString() + "]:" + inetAddress.getPort(); |
| } |
| } |
| }; |
| |
| @Override |
| public final Channel getChannel() { |
| return this.channel; |
| }; |
| |
| @Override |
| public String channelId() { |
| return channelId; |
| } |
| |
| @Override |
| public BGPFactory factory() { |
| return BGPFactories.getFactory(sessionInfo.remoteBgpVersion()); |
| } |
| |
| @Override |
| public boolean isHandshakeComplete() { |
| return isHandShakeComplete; |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()).omitNullValues() |
| .add("channel", channelId()) |
| .add("bgpId", sessionInfo().remoteBgpId()).toString(); |
| } |
| } |