Added an OLT application which pushes vlan circuits when ports are up.

Added a driver for the OLT

Change-Id: I13085d4a5a05e92a1640eff3f10ff75c2188e0d3
diff --git a/pom.xml b/pom.xml
new file mode 100644
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--- /dev/null
+++ b/pom.xml
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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ 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.
+  -->
+<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/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.onosproject</groupId>
+        <artifactId>onos-apps</artifactId>
+        <version>1.2.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>onos-app-olt</artifactId>
+    <packaging>bundle</packaging>
+
+    <description>OLT application</description>
+
+    <properties>
+        <onos.app.name>org.onosproject.olt</onos.app.name>
+    </properties>
+
+    <dependencies>
+      <dependency>
+        <groupId>com.google.guava</groupId>
+        <artifactId>guava</artifactId>
+      </dependency>
+      <dependency>
+        <groupId>org.onosproject</groupId>
+        <artifactId>onlab-misc</artifactId>
+      </dependency>
+        <dependency>
+            <groupId>org.apache.felix</groupId>
+            <artifactId>org.apache.felix.scr</artifactId>
+            <version>1.8.2</version>
+        </dependency>
+        <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.compendium</artifactId>
+            <version>5.0.0</version>
+        </dependency>
+    </dependencies>
+</project>
diff --git a/src/main/java/org/onosproject/olt/OLT.java b/src/main/java/org/onosproject/olt/OLT.java
new file mode 100644
index 0000000..6ec7a6f
--- /dev/null
+++ b/src/main/java/org/onosproject/olt/OLT.java
@@ -0,0 +1,194 @@
+/*
+ * 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.
+ */
+package org.onosproject.olt;
+
+
+import com.google.common.base.Strings;
+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.Modified;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onlab.packet.VlanId;
+import org.onlab.util.Tools;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceEvent;
+import org.onosproject.net.device.DeviceListener;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.flowobjective.DefaultForwardingObjective;
+import org.onosproject.net.flowobjective.FlowObjectiveService;
+import org.onosproject.net.flowobjective.ForwardingObjective;
+import org.osgi.service.component.ComponentContext;
+import org.slf4j.Logger;
+
+import java.util.Dictionary;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Sample mobility application. Cleans up flowmods when a host moves.
+ */
+@Component(immediate = true)
+public class OLT {
+
+    private final Logger log = getLogger(getClass());
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected FlowObjectiveService flowObjectiveService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected DeviceService deviceService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected CoreService coreService;
+
+    private final DeviceListener deviceListener = new InternalDeviceListener();
+
+    private ApplicationId appId;
+
+    public static final int UPLINK_PORT = 129;
+
+    public static final String OLT_DEVICE = "of:90e2ba82f97791e9";
+
+    @Property(name = "uplinkPort", intValue = UPLINK_PORT,
+            label = "The OLT's uplink port number")
+    private int uplinkPort = UPLINK_PORT;
+
+    //TODO: replace this with an annotation lookup
+    @Property(name = "oltDevice", value = OLT_DEVICE,
+            label = "The OLT device id")
+    private String oltDevice = OLT_DEVICE;
+
+
+    @Activate
+    public void activate() {
+        appId = coreService.registerApplication("org.onosproject.mobility");
+        deviceService.getPorts(DeviceId.deviceId(oltDevice)).stream().forEach(
+                port -> {
+                    if (port.isEnabled()) {
+                        provisionVlanOnPort(port.number());
+                    }
+                }
+        );
+        log.info("Started with Application ID {}", appId.id());
+    }
+
+    @Deactivate
+    public void deactivate() {
+        log.info("Stopped");
+    }
+
+    @Modified
+    public void modified(ComponentContext context) {
+        Dictionary<?, ?> properties = context.getProperties();
+
+
+        String s = Tools.get(properties, "uplinkPort");
+        uplinkPort = Strings.isNullOrEmpty(s) ? UPLINK_PORT : Integer.parseInt(s);
+
+        s = Tools.get(properties, "oltDevice");
+        oltDevice = Strings.isNullOrEmpty(s) ? OLT_DEVICE : s;
+
+    }
+
+    private void provisionVlanOnPort(PortNumber p) {
+        long port = p.toLong();
+        if (port > 4095) {
+            log.warn("Port Number {} exceeds vlan max", port);
+            return;
+        }
+
+        TrafficSelector upstream = DefaultTrafficSelector.builder()
+                .matchVlanId(
+                        VlanId.vlanId((short) port))
+                .matchInPort(p)
+                .build();
+
+        TrafficSelector downStream = DefaultTrafficSelector.builder()
+                .matchVlanId(
+                        VlanId.vlanId((short) port))
+                .matchInPort(PortNumber.portNumber(uplinkPort))
+                .build();
+
+        TrafficTreatment upstreamTreatment = DefaultTrafficTreatment.builder()
+                .setOutput(PortNumber.portNumber(uplinkPort))
+                .build();
+
+        TrafficTreatment downStreamTreatment = DefaultTrafficTreatment.builder()
+                .setOutput(p)
+                .build();
+
+
+        ForwardingObjective upFwd = DefaultForwardingObjective.builder()
+                .withFlag(ForwardingObjective.Flag.VERSATILE)
+                .withPriority(1000)
+                .makePermanent()
+                .withSelector(upstream)
+                .fromApp(appId)
+                .withTreatment(upstreamTreatment)
+                .add();
+
+        ForwardingObjective downFwd = DefaultForwardingObjective.builder()
+                .withFlag(ForwardingObjective.Flag.VERSATILE)
+                .withPriority(1000)
+                .makePermanent()
+                .withSelector(downStream)
+                .fromApp(appId)
+                .withTreatment(downStreamTreatment)
+                .add();
+
+        flowObjectiveService.forward(DeviceId.deviceId(oltDevice), upFwd);
+        flowObjectiveService.forward(DeviceId.deviceId(oltDevice), downFwd);
+
+    }
+
+    private class InternalDeviceListener implements DeviceListener {
+        @Override
+        public void event(DeviceEvent event) {
+            DeviceId devId = DeviceId.deviceId(oltDevice);
+            switch (event.type()) {
+                case PORT_ADDED:
+                case PORT_UPDATED:
+                    if (devId.equals(event.subject().id()) && event.port().isEnabled()) {
+                        provisionVlanOnPort(event.port().number());
+                    }
+                    break;
+                case DEVICE_ADDED:
+                case DEVICE_UPDATED:
+                case DEVICE_REMOVED:
+                case DEVICE_SUSPENDED:
+                case DEVICE_AVAILABILITY_CHANGED:
+                case PORT_REMOVED:
+                case PORT_STATS_UPDATED:
+                default:
+                    return;
+            }
+        }
+    }
+
+
+}
+
+
diff --git a/src/main/java/org/onosproject/olt/package-info.java b/src/main/java/org/onosproject/olt/package-info.java
new file mode 100644
index 0000000..b0954e5
--- /dev/null
+++ b/src/main/java/org/onosproject/olt/package-info.java
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+/*
+ * 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.
+ */
+
+/**
+ * OLT application handling PMC OLT hardware.
+ */
+package org.onosproject.olt;