1 files changed, 123 insertions, 0 deletions
diff --git a/framework/src/onos/drivers/src/main/java/org/onosproject/driver/ovsdb/OvsdbTunnelConfig.java b/framework/src/onos/drivers/src/main/java/org/onosproject/driver/ovsdb/OvsdbTunnelConfig.java
new file mode 100644
index 00000000..d32fb6be
--- /dev/null
+++ b/framework/src/onos/drivers/src/main/java/org/onosproject/driver/ovsdb/OvsdbTunnelConfig.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright 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.driver.ovsdb;
+
+import java.util.Collection;
+
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import org.onlab.packet.IpAddress;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.behaviour.DefaultTunnelDescription;
+import org.onosproject.net.behaviour.IpTunnelEndPoint;
+import org.onosproject.net.behaviour.TunnelConfig;
+import org.onosproject.net.behaviour.TunnelDescription;
+import org.onosproject.net.behaviour.TunnelName;
+import org.onosproject.net.driver.AbstractHandlerBehaviour;
+import org.onosproject.net.driver.DriverHandler;
+import org.onosproject.ovsdb.controller.OvsdbClientService;
+import org.onosproject.ovsdb.controller.OvsdbController;
+import org.onosproject.ovsdb.controller.OvsdbNodeId;
+import org.onosproject.ovsdb.controller.OvsdbTunnel;
+
+/**
+ * OVSDB-based implementation of tunnel config behaviour.
+ */
+public class OvsdbTunnelConfig extends AbstractHandlerBehaviour
+        implements TunnelConfig {
+
+    private static final String DEFAULT_ADDRESS = "0.0.0.0";
+
+    @Override
+    public void createTunnel(TunnelDescription tunnel) {
+        DriverHandler handler = handler();
+        OvsdbClientService ovsdbNode = getOvsdbNode(handler);
+        IpTunnelEndPoint ipSrc = IpTunnelEndPoint.ipTunnelPoint(IpAddress
+                .valueOf(DEFAULT_ADDRESS));
+        IpTunnelEndPoint ipDst = IpTunnelEndPoint.ipTunnelPoint(IpAddress
+                .valueOf(DEFAULT_ADDRESS));
+        if (tunnel.src() instanceof IpTunnelEndPoint) {
+            ipSrc = (IpTunnelEndPoint) tunnel.src();
+        }
+        if (tunnel.dst() instanceof IpTunnelEndPoint) {
+            ipDst = (IpTunnelEndPoint) tunnel.dst();
+        }
+        //Even if source point ip or destination point ip equals 0:0:0:0, it is still work-in-progress.
+        ovsdbNode.createTunnel(ipSrc.ip(), ipDst.ip());
+    }
+
+    @Override
+    public void removeTunnel(TunnelDescription tunnel) {
+        DriverHandler handler = handler();
+        OvsdbClientService ovsdbNode = getOvsdbNode(handler);
+        IpTunnelEndPoint ipSrc = IpTunnelEndPoint.ipTunnelPoint(IpAddress
+                .valueOf(DEFAULT_ADDRESS));
+        IpTunnelEndPoint ipDst = IpTunnelEndPoint.ipTunnelPoint(IpAddress
+                .valueOf(DEFAULT_ADDRESS));
+        if (tunnel.src() instanceof IpTunnelEndPoint) {
+            ipSrc = (IpTunnelEndPoint) tunnel.src();
+        }
+        if (tunnel.dst() instanceof IpTunnelEndPoint) {
+            ipDst = (IpTunnelEndPoint) tunnel.dst();
+        }
+      //Even if source point ip or destination point ip equals 0:0:0:0, it is still work-in-progress.
+        ovsdbNode.dropTunnel(ipSrc.ip(), ipDst.ip());
+    }
+
+    @Override
+    public void updateTunnel(TunnelDescription tunnel) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public Collection<TunnelDescription> getTunnels() {
+        DriverHandler handler = handler();
+        OvsdbClientService ovsdbNode = getOvsdbNode(handler);
+        Set<OvsdbTunnel> tunnels = ovsdbNode.getTunnels();
+
+        return tunnels.stream()
+                .map(x ->
+                        new DefaultTunnelDescription(
+                                IpTunnelEndPoint.ipTunnelPoint(x.localIp()),
+                                IpTunnelEndPoint.ipTunnelPoint(x.remoteIp()),
+                                TunnelDescription.Type.VXLAN,
+                                TunnelName.tunnelName(x.tunnelName().toString())
+                        )
+                )
+                .collect(Collectors.toSet());
+    }
+
+    // OvsdbNodeId(IP:port) is used in the adaptor while DeviceId(ovsdb:IP:port)
+    // is used in the core. So DeviceId need be changed to OvsdbNodeId.
+    private OvsdbNodeId changeDeviceIdToNodeId(DeviceId deviceId) {
+        int lastColon = deviceId.toString().lastIndexOf(":");
+        int fistColon = deviceId.toString().indexOf(":");
+        String ip = deviceId.toString().substring(fistColon + 1, lastColon);
+        String port = deviceId.toString().substring(lastColon + 1);
+        IpAddress ipAddress = IpAddress.valueOf(ip);
+        long portL = Long.parseLong(port);
+        return new OvsdbNodeId(ipAddress, portL);
+    }
+
+    private OvsdbClientService getOvsdbNode(DriverHandler handler) {
+        OvsdbController ovsController = handler.get(OvsdbController.class);
+        DeviceId deviceId = handler.data().deviceId();
+        OvsdbNodeId nodeId = changeDeviceIdToNodeId(deviceId);
+        return ovsController.getOvsdbClient(nodeId);
+    }
+}