Thomas Vachuska | 781d18b | 2014-10-27 10:31:25 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2014-present Open Networking Foundation |
Thomas Vachuska | 781d18b | 2014-10-27 10:31:25 -0700 | [diff] [blame] | 3 | * |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 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 |
Thomas Vachuska | 781d18b | 2014-10-27 10:31:25 -0700 | [diff] [blame] | 7 | * |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 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. |
Thomas Vachuska | 781d18b | 2014-10-27 10:31:25 -0700 | [diff] [blame] | 15 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.provider.of.packet.impl; |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 17 | |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 18 | import org.apache.felix.scr.annotations.Activate; |
| 19 | import org.apache.felix.scr.annotations.Component; |
| 20 | import org.apache.felix.scr.annotations.Deactivate; |
| 21 | import org.apache.felix.scr.annotations.Reference; |
| 22 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 23 | import org.onosproject.net.ConnectPoint; |
| 24 | import org.onosproject.net.DeviceId; |
| 25 | import org.onosproject.net.PortNumber; |
| 26 | import org.onosproject.net.flow.instructions.Instruction; |
| 27 | import org.onosproject.net.flow.instructions.Instructions.OutputInstruction; |
| 28 | import org.onosproject.net.packet.DefaultInboundPacket; |
| 29 | import org.onosproject.net.packet.DefaultOutboundPacket; |
| 30 | import org.onosproject.net.packet.OutboundPacket; |
| 31 | import org.onosproject.net.packet.PacketProvider; |
| 32 | import org.onosproject.net.packet.PacketProviderRegistry; |
| 33 | import org.onosproject.net.packet.PacketProviderService; |
| 34 | import org.onosproject.net.provider.AbstractProvider; |
| 35 | import org.onosproject.net.provider.ProviderId; |
| 36 | import org.onosproject.openflow.controller.Dpid; |
| 37 | import org.onosproject.openflow.controller.OpenFlowController; |
| 38 | import org.onosproject.openflow.controller.OpenFlowPacketContext; |
| 39 | import org.onosproject.openflow.controller.OpenFlowSwitch; |
| 40 | import org.onosproject.openflow.controller.PacketListener; |
Ayaka Koshibe | ab3374b | 2014-09-19 11:41:25 -0700 | [diff] [blame] | 41 | import org.projectfloodlight.openflow.protocol.OFPacketOut; |
| 42 | import org.projectfloodlight.openflow.protocol.OFPortDesc; |
| 43 | import org.projectfloodlight.openflow.protocol.action.OFAction; |
| 44 | import org.projectfloodlight.openflow.protocol.ver10.OFFactoryVer10; |
| 45 | import org.projectfloodlight.openflow.types.OFBufferId; |
| 46 | import org.projectfloodlight.openflow.types.OFPort; |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 47 | import org.slf4j.Logger; |
| 48 | |
Jonathan Hart | 8546348 | 2015-02-18 14:58:21 -0800 | [diff] [blame] | 49 | import java.nio.ByteBuffer; |
| 50 | import java.util.Collections; |
| 51 | |
| 52 | import static org.slf4j.LoggerFactory.getLogger; |
| 53 | |
Ayaka Koshibe | ab3374b | 2014-09-19 11:41:25 -0700 | [diff] [blame] | 54 | |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 55 | /** |
| 56 | * Provider which uses an OpenFlow controller to detect network |
| 57 | * infrastructure links. |
| 58 | */ |
| 59 | @Component(immediate = true) |
| 60 | public class OpenFlowPacketProvider extends AbstractProvider implements PacketProvider { |
| 61 | |
| 62 | private final Logger log = getLogger(getClass()); |
| 63 | |
| 64 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 65 | protected PacketProviderRegistry providerRegistry; |
| 66 | |
| 67 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 68 | protected OpenFlowController controller; |
| 69 | |
| 70 | private PacketProviderService providerService; |
| 71 | |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 72 | private final InternalPacketProvider listener = new InternalPacketProvider(); |
| 73 | |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 74 | /** |
| 75 | * Creates an OpenFlow link provider. |
| 76 | */ |
| 77 | public OpenFlowPacketProvider() { |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 78 | super(new ProviderId("of", "org.onosproject.provider.openflow")); |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | @Activate |
| 82 | public void activate() { |
| 83 | providerService = providerRegistry.register(this); |
alshabib | 8aef1ad | 2014-09-15 17:47:31 -0700 | [diff] [blame] | 84 | controller.addPacketListener(20, listener); |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 85 | log.info("Started"); |
| 86 | } |
| 87 | |
| 88 | @Deactivate |
| 89 | public void deactivate() { |
| 90 | providerRegistry.unregister(this); |
| 91 | controller.removePacketListener(listener); |
| 92 | providerService = null; |
| 93 | log.info("Stopped"); |
| 94 | } |
| 95 | |
| 96 | @Override |
| 97 | public void emit(OutboundPacket packet) { |
Ayaka Koshibe | ab3374b | 2014-09-19 11:41:25 -0700 | [diff] [blame] | 98 | DeviceId devId = packet.sendThrough(); |
| 99 | String scheme = devId.toString().split(":")[0]; |
| 100 | |
| 101 | if (!scheme.equals(this.id().scheme())) { |
| 102 | throw new IllegalArgumentException( |
| 103 | "Don't know how to handle Device with scheme " + scheme); |
| 104 | } |
| 105 | |
| 106 | Dpid dpid = Dpid.dpid(devId.uri()); |
| 107 | OpenFlowSwitch sw = controller.getSwitch(dpid); |
| 108 | if (sw == null) { |
| 109 | log.warn("Device {} isn't available?", devId); |
| 110 | return; |
Ayaka Koshibe | ab3374b | 2014-09-19 11:41:25 -0700 | [diff] [blame] | 111 | } |
| 112 | |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 113 | //Ethernet eth = new Ethernet(); |
| 114 | //eth.deserialize(packet.data().array(), 0, packet.data().array().length); |
Ayaka Koshibe | ab3374b | 2014-09-19 11:41:25 -0700 | [diff] [blame] | 115 | OFPortDesc p = null; |
Ray Milkey | 4250735 | 2015-03-20 15:16:10 -0700 | [diff] [blame] | 116 | for (Instruction inst : packet.treatment().allInstructions()) { |
Ayaka Koshibe | ab3374b | 2014-09-19 11:41:25 -0700 | [diff] [blame] | 117 | if (inst.type().equals(Instruction.Type.OUTPUT)) { |
| 118 | p = portDesc(((OutputInstruction) inst).port()); |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 119 | OFPacketOut po = packetOut(sw, packet.data().array(), p.getPortNo()); |
Ayaka Koshibe | ab3374b | 2014-09-19 11:41:25 -0700 | [diff] [blame] | 120 | sw.sendMsg(po); |
| 121 | } |
| 122 | } |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 123 | |
| 124 | } |
| 125 | |
Ayaka Koshibe | ab3374b | 2014-09-19 11:41:25 -0700 | [diff] [blame] | 126 | private OFPortDesc portDesc(PortNumber port) { |
| 127 | OFPortDesc.Builder builder = OFFactoryVer10.INSTANCE.buildPortDesc(); |
| 128 | builder.setPortNo(OFPort.of((int) port.toLong())); |
| 129 | |
| 130 | return builder.build(); |
| 131 | } |
| 132 | |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 133 | private OFPacketOut packetOut(OpenFlowSwitch sw, byte[] eth, OFPort out) { |
Ayaka Koshibe | ab3374b | 2014-09-19 11:41:25 -0700 | [diff] [blame] | 134 | OFPacketOut.Builder builder = sw.factory().buildPacketOut(); |
| 135 | OFAction act = sw.factory().actions() |
| 136 | .buildOutput() |
| 137 | .setPort(out) |
| 138 | .build(); |
| 139 | return builder |
| 140 | .setBufferId(OFBufferId.NO_BUFFER) |
Jonathan Hart | 8546348 | 2015-02-18 14:58:21 -0800 | [diff] [blame] | 141 | .setInPort(OFPort.CONTROLLER) |
Ayaka Koshibe | ab3374b | 2014-09-19 11:41:25 -0700 | [diff] [blame] | 142 | .setActions(Collections.singletonList(act)) |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 143 | .setData(eth) |
Ayaka Koshibe | ab3374b | 2014-09-19 11:41:25 -0700 | [diff] [blame] | 144 | .build(); |
| 145 | } |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 146 | |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 147 | /** |
| 148 | * Internal Packet Provider implementation. |
| 149 | * |
| 150 | */ |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 151 | private class InternalPacketProvider implements PacketListener { |
| 152 | |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 153 | @Override |
| 154 | public void handlePacket(OpenFlowPacketContext pktCtx) { |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 155 | DeviceId id = DeviceId.deviceId(Dpid.uri(pktCtx.dpid().value())); |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 156 | |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 157 | DefaultInboundPacket inPkt = new DefaultInboundPacket( |
| 158 | new ConnectPoint(id, PortNumber.portNumber(pktCtx.inPort())), |
Charles Chan | cb13d12 | 2016-02-10 13:03:40 -0800 | [diff] [blame] | 159 | pktCtx.parsed(), ByteBuffer.wrap(pktCtx.unparsed()), |
| 160 | pktCtx.cookie()); |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 161 | |
alshabib | e9d3a32 | 2014-09-23 15:18:33 -0700 | [diff] [blame] | 162 | DefaultOutboundPacket outPkt = null; |
| 163 | if (!pktCtx.isBuffered()) { |
| 164 | outPkt = new DefaultOutboundPacket(id, null, |
| 165 | ByteBuffer.wrap(pktCtx.unparsed())); |
| 166 | } |
| 167 | |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 168 | OpenFlowCorePacketContext corePktCtx = |
alshabib | 9842a4e | 2014-09-16 21:42:35 -0700 | [diff] [blame] | 169 | new OpenFlowCorePacketContext(System.currentTimeMillis(), |
alshabib | e9d3a32 | 2014-09-23 15:18:33 -0700 | [diff] [blame] | 170 | inPkt, outPkt, pktCtx.isHandled(), pktCtx); |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 171 | providerService.processPacket(corePktCtx); |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 172 | } |
| 173 | |
| 174 | } |
| 175 | |
| 176 | |
| 177 | } |