Inserted set and get controllers methods in ovsdb controller config

Change-Id: I791ff2ae159d0ac50beff22abda2b187913428f6
diff --git a/drivers/pom.xml b/drivers/pom.xml
index 749a68c..56a39a8 100644
--- a/drivers/pom.xml
+++ b/drivers/pom.xml
@@ -55,8 +55,8 @@
          <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onos-core-serializers</artifactId>
-            <version>1.4.0-SNAPSHOT</version>
-        </dependency>
+             <version>${project.version}</version>
+         </dependency>
         <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onos-ovsdb-api</artifactId>
@@ -72,6 +72,25 @@
             <groupId>org.apache.felix</groupId>
             <artifactId>org.apache.felix.scr.annotations</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-api</artifactId>
+            <version>${project.version}</version>
+            <classifier>tests</classifier>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onlab-junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-ovsdb-api</artifactId>
+            <version>${project.version}</version>
+            <classifier>tests</classifier>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/drivers/src/main/java/org/onosproject/driver/ovsdb/OvsdbControllerConfig.java b/drivers/src/main/java/org/onosproject/driver/ovsdb/OvsdbControllerConfig.java
new file mode 100644
index 0000000..a00d3db
--- /dev/null
+++ b/drivers/src/main/java/org/onosproject/driver/ovsdb/OvsdbControllerConfig.java
@@ -0,0 +1,102 @@
+/*
+ * 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 org.onlab.packet.IpAddress;
+import org.onlab.packet.TpPort;
+import org.onosproject.net.AnnotationKeys;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.behaviour.ControllerConfig;
+import org.onosproject.net.behaviour.ControllerInfo;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.driver.AbstractHandlerBehaviour;
+import org.onosproject.net.driver.DriverHandler;
+import org.onosproject.ovsdb.controller.OvsdbBridge;
+import org.onosproject.ovsdb.controller.OvsdbClientService;
+import org.onosproject.ovsdb.controller.OvsdbController;
+import org.onosproject.ovsdb.controller.OvsdbNodeId;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import static com.google.common.base.Preconditions.checkState;
+import static org.onlab.util.Tools.delay;
+
+/**
+ * Implementation of controller config which allows to get and set controllers.
+ */
+public class OvsdbControllerConfig extends AbstractHandlerBehaviour implements ControllerConfig {
+    @Override
+    public List<ControllerInfo> getControllers() {
+        DriverHandler handler = handler();
+        OvsdbClientService clientService = getOvsdbClientService(handler);
+        Set<ControllerInfo> controllers = clientService.getControllers(
+                handler().data().deviceId());
+        return new ArrayList<>(controllers);
+    }
+
+    @Override
+    public void setControllers(List<ControllerInfo> controllers) {
+        DriverHandler handler = handler();
+        OvsdbClientService clientService = getOvsdbClientService(handler);
+        if (!clientService.getControllers(handler().data().deviceId())
+                .equals(controllers)) {
+            clientService.setControllersWithDeviceId(handler().
+                    data().deviceId(), controllers);
+        }
+    }
+
+    // Used for getting OvsdbClientService.
+    private OvsdbClientService getOvsdbClientService(DriverHandler handler) {
+        OvsdbController ovsController = handler.get(OvsdbController.class);
+        DeviceService deviceService = handler.get(DeviceService.class);
+        DeviceId ofDeviceId = handler.data().deviceId();
+        String[] mgmtAddress = deviceService.getDevice(ofDeviceId)
+                .annotations().value(AnnotationKeys.MANAGEMENT_ADDRESS).split(":");
+        String targetIp = mgmtAddress[0];
+        TpPort targetPort = null;
+        if (mgmtAddress.length > 1) {
+            targetPort = TpPort.tpPort(Integer.parseInt(mgmtAddress[1]));
+        }
+
+        List<OvsdbNodeId> nodeIds = ovsController.getNodeIds().stream()
+                .filter(nodeId -> nodeId.getIpAddress().equals(targetIp))
+                .collect(Collectors.toList());
+        if (nodeIds.size() == 0) {
+            //TODO decide what port?
+            ovsController.connect(IpAddress.valueOf(targetIp),
+                                  targetPort == null ? TpPort.tpPort(6640) : targetPort);
+            delay(1000); //FIXME... connect is async
+        }
+        List<OvsdbClientService> clientServices = ovsController.getNodeIds().stream()
+                .filter(nodeId -> nodeId.getIpAddress().equals(targetIp))
+                .map(ovsController::getOvsdbClient)
+                .filter(cs -> cs.getBridges().stream().anyMatch(b -> dpidMatches(b, ofDeviceId)))
+                .collect(Collectors.toList());
+        checkState(clientServices.size() > 0, "No clientServices found");
+        //FIXME add connection to management address if null --> done ?
+        return clientServices.size() > 0 ? clientServices.get(0) : null;
+    }
+
+    private static boolean dpidMatches(OvsdbBridge bridge, DeviceId deviceId) {
+        String bridgeDpid = "of:" + bridge.datapathId().value();
+        String ofDpid = deviceId.toString();
+        return bridgeDpid.equals(ofDpid);
+    }
+}
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diff --git a/drivers/src/main/resources/onos-drivers.xml b/drivers/src/main/resources/onos-drivers.xml
index aea743f..5059d4b 100644
--- a/drivers/src/main/resources/onos-drivers.xml
+++ b/drivers/src/main/resources/onos-drivers.xml
@@ -30,6 +30,8 @@
             manufacturer="Nicira, Inc\." hwVersion="Open vSwitch" swVersion="2\..*">
         <behaviour api="org.onosproject.openflow.controller.driver.OpenFlowSwitchDriver"
                    impl="org.onosproject.driver.handshaker.NiciraSwitchHandshaker"/>
+        <behaviour api="org.onosproject.net.behaviour.ControllerConfig"
+                   impl="org.onosproject.driver.ovsdb.OvsdbControllerConfig"/>
     </driver>
     <driver name="ovs-corsa" extends="ovs"
             manufacturer="Corsa" hwVersion="emulation" swVersion="0.0.0">
diff --git a/drivers/src/test/java/org/onosproject/driver/ovsdb/OvsdbControllerConfigTest.java b/drivers/src/test/java/org/onosproject/driver/ovsdb/OvsdbControllerConfigTest.java
new file mode 100644
index 0000000..4a91efc
--- /dev/null
+++ b/drivers/src/test/java/org/onosproject/driver/ovsdb/OvsdbControllerConfigTest.java
@@ -0,0 +1,95 @@
+/*
+ * 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 com.google.common.collect.ImmutableMap;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.behaviour.ControllerConfig;
+import org.onosproject.net.device.DeviceServiceAdapter;
+import org.onosproject.net.driver.DefaultDriver;
+import org.onosproject.net.driver.DefaultDriverData;
+import org.onosproject.net.driver.DefaultDriverHandler;
+import org.onosproject.ovsdb.controller.driver.OvsdbClientServiceAdapter;
+import org.onosproject.ovsdb.controller.driver.OvsdbControllerAdapter;
+
+/**
+ * Created by Andrea on 10/7/15.
+ */
+public class OvsdbControllerConfigTest {
+
+
+    private static final DeviceId DEVICE_ID = DeviceId.deviceId("foo");
+
+    private DefaultDriver ddc;
+    private DefaultDriverData data;
+    private DefaultDriverHandler handler;
+
+    private TestDeviceService deviceService = new TestDeviceService();
+    private TestOvsdbController controller = new TestOvsdbController();
+    private TestOvsdbClient client = new TestOvsdbClient();
+
+    private OvsdbControllerConfig controllerConfig;
+
+
+    @Before
+    public void setUp() {
+        controllerConfig = new OvsdbControllerConfig();
+
+        ddc = new DefaultDriver("foo.bar", null, "Circus", "lux", "1.2a",
+                                ImmutableMap.of(ControllerConfig.class,
+                                                OvsdbControllerConfig.class),
+                                ImmutableMap.of("foo", "bar"));
+        data = new DefaultDriverData(ddc, DEVICE_ID);
+        handler = new DefaultDriverHandler(data);
+        //handler.controllerConfig.setHandler(handler);
+        //TODO setTestService directory on handler
+        //TODO setup ovsdb fake controller with fake ovsdbclient
+        //TODO setup fake device service
+    }
+
+    @Test
+    public void testGetControllers() throws Exception {
+//        DriverService driverService = new Driv
+//        AbstractBehaviour ab = new AbstractBehaviour();
+//        DriverHandler handler = handler();
+//        List<ControllerInfo> controllersList =
+//              controllerConfig.getControllers(DeviceId.deviceId("0000000000000018"));
+//        log.info("controllers " + controllersList);
+
+    }
+
+    @Test
+    public void testSetControllers() throws Exception {
+
+    }
+
+
+    private class TestDeviceService extends DeviceServiceAdapter {
+
+    }
+
+    private class TestOvsdbController extends OvsdbControllerAdapter {
+
+
+    }
+
+    private class TestOvsdbClient extends OvsdbClientServiceAdapter {
+
+    }
+}
\ No newline at end of file