| /* |
| * Copyright 2016-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.driver.handshaker; |
| |
| import org.projectfloodlight.openflow.protocol.OFExpPort; |
| import org.projectfloodlight.openflow.protocol.OFExpPortDescReply; |
| import org.projectfloodlight.openflow.protocol.OFExpPortDescRequest; |
| import org.projectfloodlight.openflow.protocol.OFMessage; |
| import org.projectfloodlight.openflow.protocol.OFPortDesc; |
| import org.projectfloodlight.openflow.protocol.OFStatsReply; |
| import org.projectfloodlight.openflow.protocol.OFStatsReplyFlags; |
| import org.projectfloodlight.openflow.protocol.OFStatsType; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.stream.Collectors; |
| |
| import org.onosproject.net.Device; |
| import org.onosproject.openflow.controller.OpenFlowOpticalSwitch; |
| import org.onosproject.openflow.controller.PortDescPropertyType; |
| import org.onosproject.openflow.controller.driver.AbstractOpenFlowSwitch; |
| import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeAlreadyStarted; |
| import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeCompleted; |
| import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeNotStarted; |
| import org.projectfloodlight.openflow.protocol.OFObject; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| |
| |
| /** |
| * Open Flow Optical Switch handshaker - for Open Flow 13. |
| */ |
| public class OFOpticalSwitch13 extends AbstractOpenFlowSwitch implements OpenFlowOpticalSwitch { |
| |
| private final AtomicBoolean driverHandshakeComplete = new AtomicBoolean(false); |
| private List<OFExpPort> expPortDes = new ArrayList<>(); |
| |
| @Override |
| public Boolean supportNxRole() { |
| return false; |
| } |
| |
| @Override |
| public void startDriverHandshake() { |
| log.info("Starting driver handshake for sw {}", getStringId()); |
| if (startDriverHandshakeCalled) { |
| throw new SwitchDriverSubHandshakeAlreadyStarted(); |
| } |
| startDriverHandshakeCalled = true; |
| |
| log.debug("sendHandshakeOFExperimenterPortDescRequest for sw {}", getStringId()); |
| |
| try { |
| sendHandshakeOFExperimenterPortDescRequest(); |
| } catch (IOException e) { |
| log.error("Failed to send handshaker message OFExperimenterPortDescRequestfor sw {}", e); |
| } |
| } |
| |
| @Override |
| public void processDriverHandshakeMessage(OFMessage m) { |
| if (!startDriverHandshakeCalled) { |
| throw new SwitchDriverSubHandshakeNotStarted(); |
| } |
| if (driverHandshakeComplete.get()) { |
| throw new SwitchDriverSubHandshakeCompleted(m); |
| } |
| |
| log.debug("processDriverHandshakeMessage for sw {}", getStringId()); |
| |
| switch (m.getType()) { |
| case STATS_REPLY: // multipart message is reported as STAT |
| processOFMultipartReply((OFStatsReply) m); |
| break; |
| default: |
| log.warn("Received message {} during switch-driver " + |
| "subhandshake " + "from switch {} ... " + |
| "Ignoring message", m, |
| getStringId()); |
| } |
| } |
| |
| private void processOFMultipartReply(OFStatsReply stats) { |
| log.debug("Received message {} during switch-driver " + |
| "subhandshake " + "from switch {} ... " + |
| stats, |
| getStringId()); |
| |
| if (stats.getStatsType() == OFStatsType.EXPERIMENTER) { |
| try { |
| OFExpPortDescReply expPortDescReply = (OFExpPortDescReply) stats; |
| expPortDes.addAll(expPortDescReply.getEntries()); |
| if (!expPortDescReply.getFlags().contains(OFStatsReplyFlags.REPLY_MORE)) { |
| driverHandshakeComplete.set(true); |
| return; |
| } |
| } catch (ClassCastException e) { |
| log.error("Unexspected Experimenter Multipart message type {} ", |
| stats.getClass().getName()); |
| } |
| } |
| } |
| |
| |
| @Override |
| public boolean isDriverHandshakeComplete() { |
| return driverHandshakeComplete.get(); |
| } |
| |
| private void sendHandshakeOFExperimenterPortDescRequest() throws |
| IOException { |
| |
| OFExpPortDescRequest preq = factory() |
| .buildExpPortDescRequest() |
| .setXid(getNextTransactionId()) |
| .build(); |
| |
| log.debug("Sending experimented port description " + |
| "message " + |
| "{}", |
| preq.toString()); |
| |
| this.sendHandshakeMessage(preq); |
| } |
| |
| @Override |
| public Device.Type deviceType() { |
| String hwDesc = hardwareDescription(); |
| switch (hwDesc) { |
| case "Optical-ROADM": |
| return Device.Type.ROADM; |
| case "Optical-OTN": |
| return Device.Type.OTN; |
| default: |
| log.error("Unsupported hardwareDescription {}", hwDesc); |
| return Device.Type.OTHER; |
| } |
| } |
| |
| /* |
| * OduClt ports are reported as regular ETH ports. |
| */ |
| @Override |
| public List<OFPortDesc> getPorts() { |
| return ImmutableList.copyOf( |
| ports.stream().flatMap(p -> p.getEntries().stream()) |
| .collect(Collectors.toList())); |
| } |
| |
| @Override |
| public List<? extends OFObject> getPortsOf(PortDescPropertyType type) { |
| return ImmutableList.copyOf(expPortDes); |
| } |
| |
| @Override |
| public Set<PortDescPropertyType> getPortTypes() { |
| return ImmutableSet.of(PortDescPropertyType.OPTICAL_TRANSPORT); |
| } |
| |
| } |