| /* |
| * Copyright 2015-present 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.pcep.controller.impl; |
| |
| import static org.onlab.util.Tools.groupedThreads; |
| |
| 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 org.jboss.netty.bootstrap.ServerBootstrap; |
| import org.jboss.netty.channel.ChannelPipelineFactory; |
| 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.pcep.controller.PccId; |
| import org.onosproject.pcep.controller.PcepPacketStats; |
| import org.onosproject.pcep.controller.driver.PcepAgent; |
| import org.onosproject.pcep.controller.driver.PcepClientDriver; |
| import org.onosproject.pcepio.protocol.PcepFactories; |
| import org.onosproject.pcepio.protocol.PcepFactory; |
| import org.onosproject.pcepio.protocol.PcepVersion; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * The main controller class. Handles all setup and network listeners - |
| * Distributed ownership control of pcc through IControllerRegistryService |
| */ |
| public class Controller { |
| |
| private static final Logger log = LoggerFactory.getLogger(Controller.class); |
| |
| private static final PcepFactory FACTORY1 = PcepFactories.getFactory(PcepVersion.PCEP_1); |
| |
| private ChannelGroup cg; |
| |
| // Configuration options |
| private int pcepPort = 4189; |
| private int workerThreads = 10; |
| |
| // Start time of the controller |
| private long systemStartTime; |
| |
| private PcepAgent agent; |
| |
| private NioServerSocketChannelFactory execFactory; |
| |
| // Perf. related configuration |
| private static final int SEND_BUFFER_SIZE = 4 * 1024 * 1024; |
| |
| /** |
| * Returns factory version for processing pcep messages. |
| * |
| * @return instance of factory version |
| */ |
| public PcepFactory getPcepMessageFactory1() { |
| return FACTORY1; |
| } |
| |
| /** |
| * To get system start time. |
| * |
| * @return system start time in milliseconds |
| */ |
| public long getSystemStartTime() { |
| return (this.systemStartTime); |
| } |
| |
| /** |
| * Tell controller that we're ready to accept pcc connections. |
| */ |
| public void run() { |
| try { |
| final ServerBootstrap bootstrap = createServerBootStrap(); |
| |
| bootstrap.setOption("reuseAddr", true); |
| bootstrap.setOption("child.keepAlive", true); |
| bootstrap.setOption("child.tcpNoDelay", true); |
| bootstrap.setOption("child.sendBufferSize", Controller.SEND_BUFFER_SIZE); |
| |
| ChannelPipelineFactory pfact = new PcepPipelineFactory(this); |
| |
| bootstrap.setPipelineFactory(pfact); |
| InetSocketAddress sa = new InetSocketAddress(pcepPort); |
| cg = new DefaultChannelGroup(); |
| cg.add(bootstrap.bind(sa)); |
| log.info("Listening for PCC connection on {}", sa); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| /** |
| * Creates server boot strap. |
| * |
| * @return ServerBootStrap |
| */ |
| private ServerBootstrap createServerBootStrap() { |
| if (workerThreads == 0) { |
| execFactory = new NioServerSocketChannelFactory( |
| Executors.newCachedThreadPool(groupedThreads("onos/pcep", "boss-%d")), |
| Executors.newCachedThreadPool(groupedThreads("onos/pcep", "worker-%d"))); |
| return new ServerBootstrap(execFactory); |
| } else { |
| execFactory = new NioServerSocketChannelFactory( |
| Executors.newCachedThreadPool(groupedThreads("onos/pcep", "boss-%d")), |
| Executors.newCachedThreadPool(groupedThreads("onos/pcep", "worker-%d")), workerThreads); |
| return new ServerBootstrap(execFactory); |
| } |
| } |
| |
| /** |
| * Initialize internal data structures. |
| */ |
| public void init() { |
| // These data structures are initialized here because other |
| // module's startUp() might be called before ours |
| this.systemStartTime = System.currentTimeMillis(); |
| } |
| |
| 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; |
| } |
| |
| public Long getUptime() { |
| RuntimeMXBean rb = ManagementFactory.getRuntimeMXBean(); |
| return rb.getUptime(); |
| } |
| |
| /** |
| * Creates instance of Pcep client. |
| * |
| * @param pccId pcc identifier |
| * @param sessionID session id |
| * @param pv pcep version |
| * @param pktStats pcep packet statistics |
| * @return instance of PcepClient |
| */ |
| protected PcepClientDriver getPcepClientInstance(PccId pccId, int sessionID, PcepVersion pv, |
| PcepPacketStats pktStats) { |
| PcepClientDriver pcepClientDriver = new PcepClientImpl(); |
| pcepClientDriver.init(pccId, pv, pktStats); |
| pcepClientDriver.setAgent(agent); |
| return pcepClientDriver; |
| } |
| |
| /** |
| * Starts the pcep controller. |
| * |
| * @param ag Pcep agent |
| */ |
| public void start(PcepAgent ag) { |
| log.info("Started"); |
| this.agent = ag; |
| this.init(); |
| this.run(); |
| } |
| |
| /** |
| * Stops the pcep controller. |
| */ |
| public void stop() { |
| log.info("Stopped"); |
| execFactory.shutdown(); |
| cg.close(); |
| } |
| } |