Yafit Hadar | a9a73de | 2015-09-06 13:52:52 +0300 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Laboratory |
Yafit Hadar | a9a73de | 2015-09-06 13:52:52 +0300 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.driver.handshaker; |
| 17 | |
| 18 | import org.projectfloodlight.openflow.protocol.OFExpPort; |
| 19 | import org.projectfloodlight.openflow.protocol.OFExpPortDescReply; |
| 20 | import org.projectfloodlight.openflow.protocol.OFExpPortDescRequest; |
| 21 | import org.projectfloodlight.openflow.protocol.OFMessage; |
| 22 | import org.projectfloodlight.openflow.protocol.OFPortDesc; |
| 23 | import org.projectfloodlight.openflow.protocol.OFStatsReply; |
| 24 | import org.projectfloodlight.openflow.protocol.OFStatsReplyFlags; |
| 25 | import org.projectfloodlight.openflow.protocol.OFStatsType; |
| 26 | |
| 27 | import java.io.IOException; |
| 28 | import java.util.ArrayList; |
| 29 | import java.util.List; |
| 30 | import java.util.Set; |
| 31 | import java.util.concurrent.atomic.AtomicBoolean; |
| 32 | import java.util.stream.Collectors; |
| 33 | |
| 34 | import org.onosproject.net.Device; |
| 35 | import org.onosproject.openflow.controller.OpenFlowOpticalSwitch; |
| 36 | import org.onosproject.openflow.controller.PortDescPropertyType; |
| 37 | import org.onosproject.openflow.controller.driver.AbstractOpenFlowSwitch; |
| 38 | import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeAlreadyStarted; |
| 39 | import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeCompleted; |
| 40 | import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeNotStarted; |
| 41 | import org.projectfloodlight.openflow.protocol.OFObject; |
| 42 | |
| 43 | import com.google.common.collect.ImmutableList; |
| 44 | import com.google.common.collect.ImmutableSet; |
| 45 | |
| 46 | |
| 47 | /** |
| 48 | * Open Flow Optical Switch handshaker - for Open Flow 13. |
| 49 | */ |
| 50 | public class OFOpticalSwitch13 extends AbstractOpenFlowSwitch implements OpenFlowOpticalSwitch { |
| 51 | |
| 52 | private final AtomicBoolean driverHandshakeComplete = new AtomicBoolean(false); |
| 53 | private List<OFExpPort> expPortDes = new ArrayList<>(); |
| 54 | |
| 55 | @Override |
| 56 | public Boolean supportNxRole() { |
| 57 | return false; |
| 58 | } |
| 59 | |
| 60 | @Override |
| 61 | public void startDriverHandshake() { |
| 62 | log.info("Starting driver handshake for sw {}", getStringId()); |
| 63 | if (startDriverHandshakeCalled) { |
| 64 | throw new SwitchDriverSubHandshakeAlreadyStarted(); |
| 65 | } |
| 66 | startDriverHandshakeCalled = true; |
| 67 | |
| 68 | log.debug("sendHandshakeOFExperimenterPortDescRequest for sw {}", getStringId()); |
| 69 | |
| 70 | try { |
| 71 | sendHandshakeOFExperimenterPortDescRequest(); |
| 72 | } catch (IOException e) { |
Ray Milkey | 676249c | 2015-12-18 09:27:03 -0800 | [diff] [blame] | 73 | log.error("Failed to send handshaker message OFExperimenterPortDescRequestfor sw {}", e); |
Yafit Hadar | a9a73de | 2015-09-06 13:52:52 +0300 | [diff] [blame] | 74 | } |
| 75 | } |
| 76 | |
| 77 | @Override |
| 78 | public void processDriverHandshakeMessage(OFMessage m) { |
| 79 | if (!startDriverHandshakeCalled) { |
| 80 | throw new SwitchDriverSubHandshakeNotStarted(); |
| 81 | } |
| 82 | if (driverHandshakeComplete.get()) { |
| 83 | throw new SwitchDriverSubHandshakeCompleted(m); |
| 84 | } |
| 85 | |
| 86 | log.debug("processDriverHandshakeMessage for sw {}", getStringId()); |
| 87 | |
| 88 | switch (m.getType()) { |
| 89 | case STATS_REPLY: // multipart message is reported as STAT |
| 90 | processOFMultipartReply((OFStatsReply) m); |
| 91 | break; |
| 92 | default: |
| 93 | log.warn("Received message {} during switch-driver " + |
| 94 | "subhandshake " + "from switch {} ... " + |
| 95 | "Ignoring message", m, |
| 96 | getStringId()); |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | private void processOFMultipartReply(OFStatsReply stats) { |
| 101 | log.debug("Received message {} during switch-driver " + |
| 102 | "subhandshake " + "from switch {} ... " + |
| 103 | stats, |
| 104 | getStringId()); |
| 105 | |
| 106 | if (stats.getStatsType() == OFStatsType.EXPERIMENTER) { |
| 107 | try { |
| 108 | OFExpPortDescReply expPortDescReply = (OFExpPortDescReply) stats; |
| 109 | expPortDes.addAll(expPortDescReply.getEntries()); |
| 110 | if (!expPortDescReply.getFlags().contains(OFStatsReplyFlags.REPLY_MORE)) { |
| 111 | driverHandshakeComplete.set(true); |
| 112 | return; |
| 113 | } |
| 114 | } catch (ClassCastException e) { |
Jian Li | 68c4fc4 | 2016-01-11 16:07:03 -0800 | [diff] [blame] | 115 | log.error("Unexspected Experimenter Multipart message type {} ", |
| 116 | stats.getClass().getName()); |
Yafit Hadar | a9a73de | 2015-09-06 13:52:52 +0300 | [diff] [blame] | 117 | } |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | |
| 122 | @Override |
| 123 | public boolean isDriverHandshakeComplete() { |
| 124 | return driverHandshakeComplete.get(); |
| 125 | } |
| 126 | |
| 127 | private void sendHandshakeOFExperimenterPortDescRequest() throws |
| 128 | IOException { |
| 129 | |
| 130 | OFExpPortDescRequest preq = factory() |
| 131 | .buildExpPortDescRequest() |
| 132 | .setXid(getNextTransactionId()) |
| 133 | .build(); |
| 134 | |
| 135 | log.debug("Sending experimented port description " + |
| 136 | "message " + |
| 137 | "{}", |
| 138 | preq.toString()); |
| 139 | |
| 140 | this.sendHandshakeMessage(preq); |
| 141 | } |
| 142 | |
| 143 | @Override |
| 144 | public Device.Type deviceType() { |
Rimon Ashkenazy | 4ffab0d | 2015-11-23 14:21:07 +0200 | [diff] [blame] | 145 | String hwDesc = hardwareDescription(); |
| 146 | switch (hwDesc) { |
| 147 | case "Optical-ROADM": |
| 148 | return Device.Type.ROADM; |
| 149 | case "Optical-OTN": |
| 150 | return Device.Type.OTN; |
| 151 | default: |
| 152 | log.error("Unsupported hardwareDescription {}", hwDesc); |
| 153 | return Device.Type.OTHER; |
| 154 | } |
Yafit Hadar | a9a73de | 2015-09-06 13:52:52 +0300 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | /* |
| 158 | * OduClt ports are reported as regular ETH ports. |
| 159 | */ |
| 160 | @Override |
| 161 | public List<OFPortDesc> getPorts() { |
| 162 | return ImmutableList.copyOf( |
| 163 | ports.stream().flatMap(p -> p.getEntries().stream()) |
| 164 | .collect(Collectors.toList())); |
| 165 | } |
| 166 | |
| 167 | @Override |
| 168 | public List<? extends OFObject> getPortsOf(PortDescPropertyType type) { |
| 169 | return ImmutableList.copyOf(expPortDes); |
| 170 | } |
| 171 | |
| 172 | @Override |
| 173 | public Set<PortDescPropertyType> getPortTypes() { |
| 174 | return ImmutableSet.of(PortDescPropertyType.OPTICAL_TRANSPORT); |
| 175 | } |
| 176 | |
| 177 | } |