1 files changed, 99 insertions, 0 deletions
diff --git a/framework/src/onos/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/OpenFlowCorePacketContext.java b/framework/src/onos/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/OpenFlowCorePacketContext.java
new file mode 100644
index 00000000..6d153103
--- /dev/null
+++ b/framework/src/onos/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/OpenFlowCorePacketContext.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2014-2015 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.provider.of.packet.impl;
+
+import org.onlab.packet.DeserializationException;
+import org.onlab.packet.Ethernet;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.flow.instructions.Instruction;
+import org.onosproject.net.flow.instructions.Instruction.Type;
+import org.onosproject.net.flow.instructions.Instructions.OutputInstruction;
+import org.onosproject.net.packet.DefaultPacketContext;
+import org.onosproject.net.packet.InboundPacket;
+import org.onosproject.net.packet.OutboundPacket;
+import org.onosproject.openflow.controller.OpenFlowPacketContext;
+import org.projectfloodlight.openflow.types.OFPort;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+
+/**
+ * Packet context used with the OpenFlow providers.
+ */
+public class OpenFlowCorePacketContext extends DefaultPacketContext {
+
+    private static final Logger log = LoggerFactory.getLogger(OpenFlowCorePacketContext.class);
+
+    private final OpenFlowPacketContext ofPktCtx;
+
+    /**
+     * Creates a new OpenFlow core packet context.
+     *
+     * @param time creation time
+     * @param inPkt inbound packet
+     * @param outPkt outbound packet
+     * @param block whether the context is blocked or not
+     * @param ofPktCtx OpenFlow packet context
+     */
+    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) {
+                sendPacket(null);
+            } else {
+                try {
+                    Ethernet eth = Ethernet.deserializer()
+                            .deserialize(outPacket().data().array(), 0,
+                                         outPacket().data().array().length);
+                    sendPacket(eth);
+                } catch (DeserializationException e) {
+                    log.warn("Unable to deserialize packet");
+                }
+            }
+        }
+    }
+
+    private void sendPacket(Ethernet eth) {
+        List<Instruction> ins = treatmentBuilder().build().allInstructions();
+        OFPort p = null;
+        //TODO: support arbitrary list of treatments must be supported in ofPacketContext
+        for (Instruction i : ins) {
+            if (i.type() == Type.OUTPUT) {
+                p = buildPort(((OutputInstruction) i).port());
+                break; //for now...
+            }
+        }
+        if (eth == null) {
+            ofPktCtx.build(p);
+        } else {
+            ofPktCtx.build(eth, p);
+        }
+        ofPktCtx.send();
+    }
+
+    private OFPort buildPort(PortNumber port) {
+        return OFPort.of((int) port.toLong());
+    }
+
+}