ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60

Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd

3 files changed, 296 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());
+    }
+
+}
diff --git a/framework/src/onos/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/OpenFlowPacketProvider.java b/framework/src/onos/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/OpenFlowPacketProvider.java
new file mode 100644
index 00000000..dc79feff
--- /dev/null
+++ b/framework/src/onos/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/OpenFlowPacketProvider.java
@@ -0,0 +1,176 @@
+/*
+ * 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.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.flow.instructions.Instruction;
+import org.onosproject.net.flow.instructions.Instructions.OutputInstruction;
+import org.onosproject.net.packet.DefaultInboundPacket;
+import org.onosproject.net.packet.DefaultOutboundPacket;
+import org.onosproject.net.packet.OutboundPacket;
+import org.onosproject.net.packet.PacketProvider;
+import org.onosproject.net.packet.PacketProviderRegistry;
+import org.onosproject.net.packet.PacketProviderService;
+import org.onosproject.net.provider.AbstractProvider;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.openflow.controller.Dpid;
+import org.onosproject.openflow.controller.OpenFlowController;
+import org.onosproject.openflow.controller.OpenFlowPacketContext;
+import org.onosproject.openflow.controller.OpenFlowSwitch;
+import org.onosproject.openflow.controller.PacketListener;
+import org.projectfloodlight.openflow.protocol.OFPacketOut;
+import org.projectfloodlight.openflow.protocol.OFPortDesc;
+import org.projectfloodlight.openflow.protocol.action.OFAction;
+import org.projectfloodlight.openflow.protocol.ver10.OFFactoryVer10;
+import org.projectfloodlight.openflow.types.OFBufferId;
+import org.projectfloodlight.openflow.types.OFPort;
+import org.slf4j.Logger;
+
+import java.nio.ByteBuffer;
+import java.util.Collections;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+
+/**
+ * Provider which uses an OpenFlow controller to detect network
+ * infrastructure links.
+ */
+@Component(immediate = true)
+public class OpenFlowPacketProvider extends AbstractProvider implements PacketProvider {
+
+    private final Logger log = getLogger(getClass());
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected PacketProviderRegistry providerRegistry;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected OpenFlowController controller;
+
+    private PacketProviderService providerService;
+
+    private final InternalPacketProvider listener = new InternalPacketProvider();
+
+    /**
+     * Creates an OpenFlow link provider.
+     */
+    public OpenFlowPacketProvider() {
+        super(new ProviderId("of", "org.onosproject.provider.openflow"));
+    }
+
+    @Activate
+    public void activate() {
+        providerService = providerRegistry.register(this);
+        controller.addPacketListener(20, listener);
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        providerRegistry.unregister(this);
+        controller.removePacketListener(listener);
+        providerService = null;
+        log.info("Stopped");
+    }
+
+    @Override
+    public void emit(OutboundPacket packet) {
+        DeviceId devId = packet.sendThrough();
+        String scheme = devId.toString().split(":")[0];
+
+        if (!scheme.equals(this.id().scheme())) {
+            throw new IllegalArgumentException(
+                    "Don't know how to handle Device with scheme " + scheme);
+        }
+
+        Dpid dpid = Dpid.dpid(devId.uri());
+        OpenFlowSwitch sw = controller.getSwitch(dpid);
+        if (sw == null) {
+            log.warn("Device {} isn't available?", devId);
+            return;
+        }
+
+        //Ethernet eth = new Ethernet();
+        //eth.deserialize(packet.data().array(), 0, packet.data().array().length);
+        OFPortDesc p = null;
+        for (Instruction inst : packet.treatment().allInstructions()) {
+            if (inst.type().equals(Instruction.Type.OUTPUT)) {
+                p = portDesc(((OutputInstruction) inst).port());
+                OFPacketOut po = packetOut(sw, packet.data().array(), p.getPortNo());
+                sw.sendMsg(po);
+            }
+        }
+
+    }
+
+    private OFPortDesc portDesc(PortNumber port) {
+        OFPortDesc.Builder builder = OFFactoryVer10.INSTANCE.buildPortDesc();
+        builder.setPortNo(OFPort.of((int) port.toLong()));
+
+        return builder.build();
+    }
+
+    private OFPacketOut packetOut(OpenFlowSwitch sw, byte[] eth, OFPort out) {
+        OFPacketOut.Builder builder = sw.factory().buildPacketOut();
+        OFAction act = sw.factory().actions()
+                .buildOutput()
+                .setPort(out)
+                .build();
+        return builder
+                .setBufferId(OFBufferId.NO_BUFFER)
+                .setInPort(OFPort.CONTROLLER)
+                .setActions(Collections.singletonList(act))
+                .setData(eth)
+                .build();
+    }
+
+    /**
+     * Internal Packet Provider implementation.
+     *
+     */
+    private class InternalPacketProvider implements PacketListener {
+
+        @Override
+        public void handlePacket(OpenFlowPacketContext pktCtx) {
+            DeviceId id = DeviceId.deviceId(Dpid.uri(pktCtx.dpid().value()));
+
+            DefaultInboundPacket inPkt = new DefaultInboundPacket(
+                    new ConnectPoint(id, PortNumber.portNumber(pktCtx.inPort())),
+                    pktCtx.parsed(), ByteBuffer.wrap(pktCtx.unparsed()));
+
+            DefaultOutboundPacket outPkt = null;
+            if (!pktCtx.isBuffered()) {
+                outPkt = new DefaultOutboundPacket(id, null,
+                        ByteBuffer.wrap(pktCtx.unparsed()));
+            }
+
+            OpenFlowCorePacketContext corePktCtx =
+                    new OpenFlowCorePacketContext(System.currentTimeMillis(),
+                            inPkt, outPkt, pktCtx.isHandled(), pktCtx);
+            providerService.processPacket(corePktCtx);
+        }
+
+    }
+
+
+}
diff --git a/framework/src/onos/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/package-info.java b/framework/src/onos/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/package-info.java
new file mode 100644
index 00000000..dd1130c0
--- /dev/null
+++ b/framework/src/onos/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/package-info.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2014 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.
+ */
+
+/**
+ * Provider that uses OpenFlow controller as a means of intercepting and
+ * emitting packets.
+ */
+package org.onosproject.provider.of.packet.impl;