| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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.isis.controller.impl; |
| |
| import com.google.common.primitives.Bytes; |
| import org.jboss.netty.channel.Channel; |
| import org.onosproject.isis.controller.IsisInterface; |
| import org.onosproject.isis.controller.IsisNetworkType; |
| import org.onosproject.isis.controller.IsisRouterType; |
| import org.onosproject.isis.io.util.IsisUtil; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Representation of an ISIS hello pdu sender task. |
| */ |
| public class IsisHelloPduSender implements Runnable { |
| private static final Logger log = LoggerFactory.getLogger(IsisHelloPduSender.class); |
| private Channel channel = null; |
| private IsisInterface isisInterface = null; |
| |
| /** |
| * Creates an instance of Hello PDU Sender task. |
| * |
| * @param channel netty channel instance |
| * @param isisInterface ISIS interface instance |
| */ |
| public IsisHelloPduSender(Channel channel, IsisInterface isisInterface) { |
| this.channel = channel; |
| this.isisInterface = isisInterface; |
| } |
| |
| @Override |
| public void run() { |
| if (channel != null && channel.isConnected() && channel.isOpen()) { |
| try { |
| byte[] helloPdu = null; |
| byte[] interfaceIndex = {(byte) isisInterface.interfaceIndex()}; |
| |
| if (isisInterface.networkType() == IsisNetworkType.P2P) { |
| helloPdu = IsisUtil.getP2pHelloPdu(isisInterface, true); |
| helloPdu = Bytes.concat(helloPdu, interfaceIndex); |
| channel.write(helloPdu); |
| } else if (isisInterface.networkType() == IsisNetworkType.BROADCAST) { |
| switch (IsisRouterType.get(isisInterface.reservedPacketCircuitType())) { |
| case L1: |
| helloPdu = IsisUtil.getL1HelloPdu(isisInterface, true); |
| helloPdu = Bytes.concat(helloPdu, interfaceIndex); |
| channel.write(helloPdu); |
| break; |
| case L2: |
| helloPdu = IsisUtil.getL2HelloPdu(isisInterface, true); |
| helloPdu = Bytes.concat(helloPdu, interfaceIndex); |
| channel.write(helloPdu); |
| break; |
| case L1L2: |
| helloPdu = IsisUtil.getL1HelloPdu(isisInterface, true); |
| helloPdu = Bytes.concat(helloPdu, interfaceIndex); |
| channel.write(helloPdu); |
| |
| helloPdu = IsisUtil.getL2HelloPdu(isisInterface, true); |
| helloPdu = Bytes.concat(helloPdu, interfaceIndex); |
| channel.write(helloPdu); |
| break; |
| default: |
| log.debug("IsisHelloPduSender::Unknown circuit type...!!!"); |
| break; |
| } |
| } |
| } catch (Exception e) { |
| log.debug("Exception @IsisHelloPduSender:: {}", e.getMessage()); |
| } |
| } |
| } |
| } |