| package org.onlab.onos.provider.of.packet.impl; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import java.util.List; |
| |
| import org.onlab.onos.net.PortNumber; |
| import org.onlab.onos.net.flow.Instruction; |
| import org.onlab.onos.net.flow.Instruction.Type; |
| import org.onlab.onos.net.flow.Instructions.OutputInstruction; |
| import org.onlab.onos.net.packet.DefaultPacketContext; |
| import org.onlab.onos.net.packet.InboundPacket; |
| import org.onlab.onos.net.packet.OutboundPacket; |
| import org.onlab.onos.of.controller.OpenFlowPacketContext; |
| import org.onlab.packet.Ethernet; |
| import org.projectfloodlight.openflow.types.OFPort; |
| import org.slf4j.Logger; |
| |
| public class OpenFlowCorePacketContext extends DefaultPacketContext { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private final OpenFlowPacketContext ofPktCtx; |
| |
| protected OpenFlowCorePacketContext(long time, InboundPacket inPkt, |
| OutboundPacket outPkt, boolean block, OpenFlowPacketContext ofPktCtx) { |
| super(time, inPkt, outPkt, block); |
| this.ofPktCtx = ofPktCtx; |
| } |
| |
| @Override |
| public void send() { |
| if (!this.block()) { |
| if (outPacket() == null) { |
| sendBufferedPacket(); |
| } else { |
| Ethernet eth = new Ethernet(); |
| eth.deserialize(outPacket().data().array(), 0, |
| outPacket().data().array().length); |
| ofPktCtx.build(eth, OFPort.FLOOD); |
| } |
| |
| } |
| } |
| |
| private void sendBufferedPacket() { |
| List<Instruction> ins = treatmentBuilder().build().instructions(); |
| OFPort p = null; |
| //TODO: support arbitrary list of treatments |
| for (Instruction i : ins) { |
| if (i.type() == Type.OUTPUT) { |
| p = buildPort(((OutputInstruction) i).port()); |
| break; //for now... |
| } |
| } |
| ofPktCtx.build(p); |
| ofPktCtx.send(); |
| } |
| |
| private OFPort buildPort(PortNumber port) { |
| return OFPort.of((int) port.toLong()); |
| } |
| |
| } |