| /* |
| * Copyright 2024-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.bgpmonitoring.impl; |
| |
| |
| import org.jboss.netty.bootstrap.ServerBootstrap; |
| import org.jboss.netty.channel.AdaptiveReceiveBufferSizePredictor; |
| import org.jboss.netty.channel.Channel; |
| import org.jboss.netty.channel.ChannelPipelineFactory; |
| import org.jboss.netty.channel.FixedReceiveBufferSizePredictorFactory; |
| import org.jboss.netty.channel.group.ChannelGroup; |
| import org.jboss.netty.channel.group.DefaultChannelGroup; |
| import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory; |
| import org.onosproject.bgpmonitoring.BmpController; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.lang.management.ManagementFactory; |
| import java.lang.management.RuntimeMXBean; |
| import java.net.InetSocketAddress; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.Executors; |
| |
| import static org.onlab.util.Tools.groupedThreads; |
| |
| /** |
| * The main controller class. Handles all setup and network listeners - Ownership of bmp message receiver |
| */ |
| public class Controller { |
| |
| private static final Logger log = LoggerFactory.getLogger(Controller.class); |
| |
| private ChannelGroup channelGroup; |
| private Channel serverChannel; |
| |
| protected static final short BMP_PORT_NUM = 9000; |
| private final int workerThreads = 16; |
| |
| private long systemStartTime; |
| |
| private NioServerSocketChannelFactory serverExecFactory; |
| private BmpController bmpController; |
| |
| private static final int SEND_BUFFER_SIZE = 8 * 1024 * 1024; |
| |
| /** |
| * Constructor to initialize the values. |
| * |
| * @param bmpController bmp controller instance |
| */ |
| public Controller(BmpController bmpController) { |
| this.bmpController = bmpController; |
| } |
| |
| /** |
| * To get system start time. |
| * |
| * @return system start time in milliseconds |
| */ |
| public long getSystemStartTime() { |
| return (this.systemStartTime); |
| } |
| |
| public void init() { |
| this.systemStartTime = System.currentTimeMillis(); |
| } |
| |
| /** |
| * Gets run time memory. |
| * |
| * @return m run time memory |
| */ |
| public Map<String, Long> getMemory() { |
| Map<String, Long> m = new HashMap<>(); |
| Runtime runtime = Runtime.getRuntime(); |
| m.put("total", runtime.totalMemory()); |
| m.put("free", runtime.freeMemory()); |
| return m; |
| } |
| |
| /** |
| * Gets UP time. |
| * |
| * @return UP time |
| */ |
| public Long getUptime() { |
| RuntimeMXBean rb = ManagementFactory.getRuntimeMXBean(); |
| return rb.getUptime(); |
| } |
| |
| /** |
| * Tell controller it will accept bmp router connections. |
| */ |
| public void run() { |
| |
| try { |
| |
| final ServerBootstrap bootstrap = createServerBootStrap(); |
| |
| bootstrap.setOption("reuseAddress", true); |
| bootstrap.setOption("tcpNoDelay", true); |
| bootstrap.setOption("keepAlive", true); |
| bootstrap.setOption("receiveBufferSize", Controller.SEND_BUFFER_SIZE); |
| bootstrap.setOption("receiveBufferSizePredictorFactory", |
| new FixedReceiveBufferSizePredictorFactory( |
| Controller.SEND_BUFFER_SIZE)); |
| bootstrap.setOption("receiveBufferSizePredictor", |
| new AdaptiveReceiveBufferSizePredictor(64, 4096, 65536)); |
| bootstrap.setOption("child.keepAlive", true); |
| bootstrap.setOption("child.tcpNoDelay", true); |
| bootstrap.setOption("child.sendBufferSize", Controller.SEND_BUFFER_SIZE); |
| bootstrap.setOption("child.receiveBufferSize", Controller.SEND_BUFFER_SIZE); |
| bootstrap.setOption("child.receiveBufferSizePredictorFactory", |
| new FixedReceiveBufferSizePredictorFactory( |
| Controller.SEND_BUFFER_SIZE)); |
| bootstrap.setOption("child.reuseAddress", true); |
| |
| ChannelPipelineFactory pfact = null; |
| |
| bootstrap.setPipelineFactory(pfact); |
| InetSocketAddress inetSocketAddress = new InetSocketAddress(BMP_PORT_NUM); |
| channelGroup = new DefaultChannelGroup(); |
| serverChannel = bootstrap.bind(inetSocketAddress); |
| channelGroup.add(serverChannel); |
| log.info("Listening for bmp router connection on {}", inetSocketAddress); |
| } catch (Exception e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| |
| /** |
| * Creates server boot strap. |
| * |
| * @return ServerBootStrap |
| */ |
| private ServerBootstrap createServerBootStrap() { |
| |
| if (workerThreads == 0) { |
| serverExecFactory = new NioServerSocketChannelFactory( |
| Executors.newCachedThreadPool(groupedThreads("onos/bmp", "boss-%d")), |
| Executors.newCachedThreadPool(groupedThreads("onos/bmp", "worker-%d"))); |
| return new ServerBootstrap(serverExecFactory); |
| } else { |
| serverExecFactory = new NioServerSocketChannelFactory( |
| Executors.newCachedThreadPool(groupedThreads("onos/bmp", "boss-%d")), |
| Executors.newCachedThreadPool(groupedThreads("onos/bmp", "worker-%d")), |
| workerThreads); |
| return new ServerBootstrap(serverExecFactory); |
| } |
| } |
| |
| /** |
| * Stops the BMP controller. |
| */ |
| public void stop() { |
| log.info("Stopped"); |
| serverExecFactory.shutdown(); |
| channelGroup.close(); |
| } |
| |
| /** |
| * Starts the BMP controller. |
| */ |
| public void start() { |
| log.info("Started"); |
| this.run(); |
| } |
| |
| |
| } |