Examples of OFPacketOut

org.openflow.protocol.OFPacketOut
Represents an ofp_packet_out message @author David Erickson (daviderickson@cs.stanford.edu) - Mar 12, 2010

Examples of org.openflow.protocol.OFPacketOut

                                       FloodlightContext cntx) {


        if (ports == null) return;
        if (packetData == null || packetData.length <= 0) return;


        OFPacketOut po =
                (OFPacketOut) floodlightProvider.getOFMessageFactory().
                getMessage(OFType.PACKET_OUT);


        List<OFAction> actions = new ArrayList<OFAction>();
        for(short p: ports) {
            actions.add(new OFActionOutput(p, (short) 0));
        }


        // set actions
        po.setActions(actions);
        // set action length
        po.setActionsLength((short) (OFActionOutput.MINIMUM_LENGTH *
                ports.size()));
        // set buffer-id to BUFFER_ID_NONE
        po.setBufferId(OFPacketOut.BUFFER_ID_NONE);
        // set in-port to OFPP_NONE
        po.setInPort(OFPort.OFPP_NONE.getValue());


        // set packet data
        po.setPacketData(packetData);


        // compute and set packet length.
        short poLength = (short)(OFPacketOut.MINIMUM_LENGTH +
                po.getActionsLength() +
                packetData.length);


        po.setLength(poLength);


        try {
            //counterStore.updatePktOutFMCounterStore(sw, po);
            if (log.isTraceEnabled()) {
                log.trace("write broadcast packet on switch-id={} " +

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Examples of org.openflow.protocol.OFPacketOut

        if (log.isTraceEnabled()) {
            log.trace("PacketOut srcSwitch={} inPort={} outPort={}", 
                      new Object[] {sw, inPort, outPort});
        }


        OFPacketOut po =
                (OFPacketOut) floodlightProvider.getOFMessageFactory()
                                                .getMessage(OFType.PACKET_OUT);


        // set actions
        List<OFAction> actions = new ArrayList<OFAction>();
        actions.add(new OFActionOutput(outPort, (short) 0xffff));


        po.setActions(actions)
          .setActionsLength((short) OFActionOutput.MINIMUM_LENGTH);
        short poLength =
                (short) (po.getActionsLength() + OFPacketOut.MINIMUM_LENGTH);


        // set buffer_id, in_port
        po.setBufferId(bufferId);
        po.setInPort(inPort);


        // set data - only if buffer_id == -1
        if (po.getBufferId() == OFPacketOut.BUFFER_ID_NONE) {
            if (packet == null) {
                log.error("BufferId is not set and packet data is null. " +
                          "Cannot send packetOut. " +
                        "srcSwitch={} inPort={} outPort={}",
                        new Object[] {sw, inPort, outPort});
                return;
            }
            byte[] packetData = packet.serialize();
            poLength += packetData.length;
            po.setPacketData(packetData);
        }


        po.setLength(poLength);


        try {
            counterStore.updatePktOutFMCounterStoreLocal(sw, po);
            messageDamper.write(sw, po, cntx, flush);
        } catch (IOException e) {

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Examples of org.openflow.protocol.OFPacketOut

            }
            return;
        }


        // Set Action to flood
        OFPacketOut po =
            (OFPacketOut) floodlightProvider.getOFMessageFactory().getMessage(OFType.PACKET_OUT);
        List<OFAction> actions = new ArrayList<OFAction>();
        if (sw.hasAttribute(IOFSwitch.PROP_SUPPORTS_OFPP_FLOOD)) {
            actions.add(new OFActionOutput(OFPort.OFPP_FLOOD.getValue(),
                                           (short)0xFFFF));
        } else {
            actions.add(new OFActionOutput(OFPort.OFPP_ALL.getValue(),
                                           (short)0xFFFF));
        }
        po.setActions(actions);
        po.setActionsLength((short) OFActionOutput.MINIMUM_LENGTH);


        // set buffer-id, in-port and packet-data based on packet-in
        short poLength = (short)(po.getActionsLength() + OFPacketOut.MINIMUM_LENGTH);
        po.setBufferId(OFPacketOut.BUFFER_ID_NONE);
        po.setInPort(pi.getInPort());
        byte[] packetData = pi.getPacketData();
        poLength += packetData.length;
        po.setPacketData(packetData);
        po.setLength(poLength);


        try {
            if (log.isTraceEnabled()) {
                log.trace("Writing flood PacketOut switch={} packet-in={} packet-out={}",
                          new Object[] {sw, pi, po});

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Examples of org.openflow.protocol.OFPacketOut

        return Hub.class.getPackage().getName();
    }


    public Command receive(IOFSwitch sw, OFMessage msg, FloodlightContext cntx) {
        OFPacketIn pi = (OFPacketIn) msg;
        OFPacketOut po = (OFPacketOut) floodlightProvider.getOFMessageFactory()
                .getMessage(OFType.PACKET_OUT);
        po.setBufferId(pi.getBufferId())
            .setInPort(pi.getInPort());


        // set actions
        OFActionOutput action = new OFActionOutput()
            .setPort(OFPort.OFPP_FLOOD.getValue());
        po.setActions(Collections.singletonList((OFAction)action));
        po.setActionsLength((short) OFActionOutput.MINIMUM_LENGTH);


        // set data if is is included in the packetin
        if (pi.getBufferId() == OFPacketOut.BUFFER_ID_NONE) {
            byte[] packetData = pi.getPacketData();
            po.setLength(U16.t(OFPacketOut.MINIMUM_LENGTH
                    + po.getActionsLength() + packetData.length));
            po.setPacketData(packetData);
        } else {
            po.setLength(U16.t(OFPacketOut.MINIMUM_LENGTH
                    + po.getActionsLength()));
        }
        try {
            sw.write(po, cntx);
        } catch (IOException e) {
            log.error("Failure writing PacketOut", e);

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Examples of org.openflow.protocol.OFPacketOut

        if (m.getType() == OFType.PACKET_IN) {
            eth = IFloodlightProviderService.bcStore.get(cntx, 
                    IFloodlightProviderService.CONTEXT_PI_PAYLOAD);
        } else if (m.getType() == OFType.PACKET_OUT) {
            eth = new Ethernet();
            OFPacketOut p = (OFPacketOut) m;
            
            // No MAC match if packetOut doesn't have the packet.
            if (p.getPacketData() == null) return null;
            
            eth.deserialize(p.getPacketData(), 0, p.getPacketData().length);
        } else if (m.getType() == OFType.FLOW_MOD) {
            // flow-mod can't be matched by mac.
            return null;
        }

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Examples of org.openflow.protocol.OFPacketOut

                bb = ChannelBuffers.buffer(pktIn.getLength());
                pktIn.writeTo(bb);
                packet.setData(OFMessage.getData(sw, msg, cntx));
                break;
            case PACKET_OUT:
                OFPacketOut pktOut = (OFPacketOut)msg;
                packet.setSwPortTuple(new SwitchPortTuple(sw.getId(), 
                                                          pktOut.getInPort()));
                bb = ChannelBuffers.buffer(pktOut.getLength());
                pktOut.writeTo(bb);
                packet.setData(OFMessage.getData(sw, msg, cntx));
                break;
            case FLOW_MOD:
                OFFlowMod offlowMod = (OFFlowMod)msg;
                packet.setSwPortTuple(new SwitchPortTuple(sw.getId(),

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Examples of org.openflow.protocol.OFPacketOut

    }


    @Test
    public void testFloodNoBufferId() throws Exception {
        // build our expected flooded packetOut
        OFPacketOut po = ((OFPacketOut) mockFloodlightProvider.getOFMessageFactory().getMessage(OFType.PACKET_OUT))
            .setActions(Arrays.asList(new OFAction[] {new OFActionOutput().setPort(OFPort.OFPP_FLOOD.getValue())}))
            .setActionsLength((short) OFActionOutput.MINIMUM_LENGTH)
            .setBufferId(-1)
            .setInPort((short) 1)
            .setPacketData(this.testPacketSerialized);
        po.setLengthU(OFPacketOut.MINIMUM_LENGTH + po.getActionsLengthU()
                + this.testPacketSerialized.length);


        // Mock up our expected behavior
        IOFSwitch mockSwitch = createMock(IOFSwitch.class);

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Examples of org.openflow.protocol.OFPacketOut

    public void testFloodBufferId() throws Exception {
        MockFloodlightProvider mockFloodlightProvider = getMockFloodlightProvider();
        this.packetIn.setBufferId(10);


        // build our expected flooded packetOut
        OFPacketOut po = ((OFPacketOut) mockFloodlightProvider.getOFMessageFactory().getMessage(OFType.PACKET_OUT))
            .setActions(Arrays.asList(new OFAction[] {new OFActionOutput().setPort(OFPort.OFPP_FLOOD.getValue())}))
            .setActionsLength((short) OFActionOutput.MINIMUM_LENGTH)
            .setBufferId(10)
            .setInPort((short) 1);
        po.setLengthU(OFPacketOut.MINIMUM_LENGTH + po.getActionsLengthU());


        // Mock up our expected behavior
        IOFSwitch mockSwitch = createMock(IOFSwitch.class);
        Capture<OFMessage> wc1 = new Capture<OFMessage>(CaptureType.ALL);
        Capture<FloodlightContext> bc1 = new Capture<FloodlightContext>(CaptureType.ALL);

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Examples of org.openflow.protocol.OFPacketOut

        if (log.isTraceEnabled()) {
            log.trace("PacketOut srcSwitch={} pi={}",
                      new Object[] {sw, pi});
        }


        OFPacketOut po =
                (OFPacketOut) floodlightProvider.getOFMessageFactory()
                                                .getMessage(OFType.PACKET_OUT);


        // set actions
        List<OFAction> actions = new ArrayList<OFAction>();
        actions.add(new OFActionOutput(outport, (short) 0xffff));


        po.setActions(actions)
          .setActionsLength((short) OFActionOutput.MINIMUM_LENGTH);
        short poLength =
                (short) (po.getActionsLength() + OFPacketOut.MINIMUM_LENGTH);


        if (useBufferId) {
            po.setBufferId(pi.getBufferId());
        } else {
            po.setBufferId(OFPacketOut.BUFFER_ID_NONE);
        }


        if (po.getBufferId() == OFPacketOut.BUFFER_ID_NONE) {
            byte[] packetData = pi.getPacketData();
            poLength += packetData.length;
            po.setPacketData(packetData);
        }


        po.setInPort(pi.getInPort());
        po.setLength(poLength);


        try {
            counterStore.updatePktOutFMCounterStoreLocal(sw, po);
            messageDamper.write(sw, po, cntx);
        } catch (IOException e) {

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Examples of org.openflow.protocol.OFPacketOut

        {
            actions.add(new OFActionOutput(j.next().shortValue(),
                                           (short) 0));
        }


        OFPacketOut po =
                (OFPacketOut) floodlightProvider.getOFMessageFactory().
                getMessage(OFType.PACKET_OUT);
        po.setActions(actions);
        po.setActionsLength((short) (OFActionOutput.MINIMUM_LENGTH *
                outPorts.size()));


        // set buffer-id to BUFFER_ID_NONE, and set in-port to OFPP_NONE
        po.setBufferId(OFPacketOut.BUFFER_ID_NONE);
        po.setInPort(inPort);


        // data (note buffer_id is always BUFFER_ID_NONE) and length
        short poLength = (short)(po.getActionsLength() +
                OFPacketOut.MINIMUM_LENGTH);
        poLength += packetData.length;
        po.setPacketData(packetData);
        po.setLength(poLength);


        try {
            counterStore.updatePktOutFMCounterStoreLocal(sw, po);
            if (log.isTraceEnabled()) {
                log.trace("write broadcast packet on switch-id={} " +

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