ONOS-4420 Implemented BMv2 packet provider
Also, moved DeviceId generation logic from Bmv2DeviceProvider to
Bmv2Device.
Change-Id: I0a7af6d558d054604038a858dce67a2d287bcde3
diff --git a/providers/bmv2/packet/pom.xml b/providers/bmv2/packet/pom.xml
new file mode 100644
index 0000000..0b98e30
--- /dev/null
+++ b/providers/bmv2/packet/pom.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ~ Copyright 2016-present 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.
+ -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <parent>
+ <artifactId>onos-bmv2-providers</artifactId>
+ <groupId>org.onosproject</groupId>
+ <version>1.6.0-SNAPSHOT</version>
+ </parent>
+ <modelVersion>4.0.0</modelVersion>
+
+ <artifactId>onos-bmv2-provider-packet</artifactId>
+
+ <packaging>bundle</packaging>
+
+ <description>ONOS BMv2 packet provider</description>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-drivers-bmv2</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-core-common</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ </dependencies>
+</project>
\ No newline at end of file
diff --git a/providers/bmv2/packet/src/main/java/org/onosproject/provider/bmv2/packet/impl/Bmv2PacketProvider.java b/providers/bmv2/packet/src/main/java/org/onosproject/provider/bmv2/packet/impl/Bmv2PacketProvider.java
new file mode 100644
index 0000000..edb6159
--- /dev/null
+++ b/providers/bmv2/packet/src/main/java/org/onosproject/provider/bmv2/packet/impl/Bmv2PacketProvider.java
@@ -0,0 +1,164 @@
+/*
+ * Copyright 2016-present 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.bmv2.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.onlab.packet.Ethernet;
+import org.onlab.util.ImmutableByteSequence;
+import org.onosproject.bmv2.api.runtime.Bmv2ControlPlaneServer;
+import org.onosproject.bmv2.api.runtime.Bmv2Device;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.packet.DefaultInboundPacket;
+import org.onosproject.net.packet.DefaultOutboundPacket;
+import org.onosproject.net.packet.DefaultPacketContext;
+import org.onosproject.net.packet.InboundPacket;
+import org.onosproject.net.packet.OutboundPacket;
+import org.onosproject.net.packet.PacketContext;
+import org.onosproject.net.packet.PacketProgrammable;
+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.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.ByteBuffer;
+
+/**
+ * Implementation of a packet provider for BMv2.
+ */
+@Component(immediate = true)
+public class Bmv2PacketProvider extends AbstractProvider implements PacketProvider {
+
+ private static final Logger LOG = LoggerFactory.getLogger(Bmv2PacketProvider.class);
+ private static final String APP_NAME = "org.onosproject.bmv2";
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected Bmv2ControlPlaneServer controlPlaneServer;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected CoreService coreService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected PacketProviderRegistry providerRegistry;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected DeviceService deviceService;
+
+ private PacketProviderService providerService;
+
+ private InternalPacketListener packetListener = new InternalPacketListener();
+
+ /**
+ * Creates a new BMv2 packet provider.
+ */
+ public Bmv2PacketProvider() {
+ super(new ProviderId("bmv2", "org.onosproject.provider.packet"));
+ }
+
+ @Activate
+ protected void activate() {
+ providerService = providerRegistry.register(this);
+ coreService.registerApplication(APP_NAME);
+ controlPlaneServer.addPacketListener(packetListener);
+ LOG.info("Started");
+ }
+
+ @Deactivate
+ public void deactivate() {
+ controlPlaneServer.removePacketListener(packetListener);
+ providerRegistry.unregister(this);
+ providerService = null;
+ LOG.info("Stopped");
+ }
+
+ @Override
+ public void emit(OutboundPacket packet) {
+ if (packet != null) {
+ DeviceId did = packet.sendThrough();
+ Device device = deviceService.getDevice(did);
+ if (device.is(PacketProgrammable.class)) {
+ PacketProgrammable packetProgrammable = device.as(PacketProgrammable.class);
+ packetProgrammable.emit(packet);
+ } else {
+ LOG.info("Unable to send packet, no PacketProgrammable behavior for device {}", did);
+ }
+ }
+ }
+
+ /**
+ * Internal packet context implementation.
+ */
+ private class Bmv2PacketContext extends DefaultPacketContext {
+
+ public Bmv2PacketContext(long time, InboundPacket inPkt, OutboundPacket outPkt, boolean block) {
+ super(time, inPkt, outPkt, block);
+ }
+
+ @Override
+ public void send() {
+ if (!this.block()) {
+ if (this.outPacket().treatment() == null) {
+ TrafficTreatment treatment = (this.treatmentBuilder() == null)
+ ? DefaultTrafficTreatment.emptyTreatment()
+ : this.treatmentBuilder().build();
+ OutboundPacket newPkt = new DefaultOutboundPacket(this.outPacket().sendThrough(),
+ treatment,
+ this.outPacket().data());
+ emit(newPkt);
+ } else {
+ emit(outPacket());
+ }
+ } else {
+ LOG.info("Unable to send, packet context not blocked");
+ }
+ }
+ }
+
+ /**
+ * Internal packet listener to get packet events from the Bmv2ControlPlaneServer.
+ */
+ private class InternalPacketListener implements Bmv2ControlPlaneServer.PacketListener {
+ @Override
+ public void handlePacketIn(Bmv2Device device, int inputPort, long reason, int tableId, int contextId,
+ ImmutableByteSequence packet) {
+
+ Ethernet eth = new Ethernet();
+ eth.deserialize(packet.asArray(), 0, packet.size());
+
+ InboundPacket inPkt = new DefaultInboundPacket(new ConnectPoint(device.asDeviceId(),
+ PortNumber.portNumber(inputPort)),
+ eth, ByteBuffer.wrap(packet.asArray()));
+ OutboundPacket outPkt = new DefaultOutboundPacket(device.asDeviceId(), null,
+ ByteBuffer.wrap(packet.asArray()));
+ PacketContext pktCtx = new Bmv2PacketContext(System.currentTimeMillis(), inPkt, outPkt, false);
+ providerService.processPacket(pktCtx);
+ }
+ }
+}
diff --git a/providers/bmv2/packet/src/main/java/org/onosproject/provider/bmv2/packet/impl/package-info.java b/providers/bmv2/packet/src/main/java/org/onosproject/provider/bmv2/packet/impl/package-info.java
new file mode 100644
index 0000000..3d83ead
--- /dev/null
+++ b/providers/bmv2/packet/src/main/java/org/onosproject/provider/bmv2/packet/impl/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2016-present 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 use Thrift as a mean of listening for packet-ins and emitting packet-outs.
+ */
+package org.onosproject.provider.bmv2.packet.impl;
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