[ONOS-3834] Install load balanced forwarding rules

Change-Id: I681d0b047feb332543307eac1a54ed20114993ef

@@ -15,37 +15,48 @@
  */
 package org.onosproject.sfc.forwarder;
 
-import org.onosproject.net.flowobjective.Objective;
+import java.util.List;
+
 import org.onosproject.net.NshServicePathId;
 import org.onosproject.vtnrsc.PortChain;
+import org.onosproject.vtnrsc.PortPairId;
 
 /**
- * Abstraction of an entity which provides Service function forwarder.
+ * Abstraction of an entity which provides service function forwarder.
  */
 public interface ServiceFunctionForwarderService {
 
     /**
-     * Install Forwarding rule.
+     * Install forwarding rule.
      *
      * @param portChain port-chain
      * @param nshSpi nsh spi
      */
+    @Deprecated
     void installForwardingRule(PortChain portChain, NshServicePathId nshSpi);
 
     /**
-     * Uninstall Forwarding rule.
+     * Uninstall forwarding rule.
      *
      * @param portChain port-chain
      * @param nshSpi nsh spi
      */
+    @Deprecated
     void unInstallForwardingRule(PortChain portChain, NshServicePathId nshSpi);
 
     /**
-     * Prepare forwarding object for Service Function.
+     * Install load balanced forwarding rules.
      *
-     * @param portChain port-chain
-     * @param nshSpi nsh spi
-     * @param type forwarding objective operation type
+     * @param path load balanced path of port pairs
+     * @param nshSpi nsh service path index
+     */
+    void installLoadBalancedForwardingRule(List<PortPairId> path, NshServicePathId nshSpi);
+
+    /**
+     * Uninstall load balanced forwarding rules.
+     *
+     * @param path load balanced path of port pairs
+     * @param nshSpi nsh service path index
      */
-    void prepareServiceFunctionForwarder(PortChain portChain, NshServicePathId nshSpi, Objective.Operation type);
+    void unInstallLoadBalancedForwardingRule(List<PortPairId> path, NshServicePathId nshSpi);
 }

+/*
+ * Copyright 2016 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.sfc.forwarder.impl;
+
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.replay;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.junit.Test;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.MacAddress;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.DefaultApplicationId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.NshServicePathId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.device.DeviceServiceAdapter;
+import org.onosproject.net.driver.DriverHandler;
+import org.onosproject.net.driver.DriverService;
+import org.onosproject.net.flow.criteria.Criterion;
+import org.onosproject.net.flow.criteria.PortCriterion;
+import org.onosproject.net.flow.instructions.Instruction;
+import org.onosproject.net.flow.instructions.Instructions.OutputInstruction;
+import org.onosproject.net.flowobjective.FlowObjectiveService;
+import org.onosproject.net.flowobjective.ForwardingObjective;
+import org.onosproject.net.host.HostService;
+import org.onosproject.net.host.HostServiceAdapter;
+import org.onosproject.sfc.util.FlowClassifierAdapter;
+import org.onosproject.sfc.util.FlowObjectiveAdapter;
+import org.onosproject.sfc.util.MockDriverHandler;
+import org.onosproject.sfc.util.PortPairAdapter;
+import org.onosproject.sfc.util.PortPairGroupAdapter;
+import org.onosproject.sfc.util.VirtualPortAdapter;
+import org.onosproject.sfc.util.VtnRscAdapter;
+import org.onosproject.vtnrsc.AllowedAddressPair;
+import org.onosproject.vtnrsc.BindingHostId;
+import org.onosproject.vtnrsc.DefaultPortPair;
+import org.onosproject.vtnrsc.DefaultVirtualPort;
+import org.onosproject.vtnrsc.FixedIp;
+import org.onosproject.vtnrsc.PortPair;
+import org.onosproject.vtnrsc.PortPairId;
+import org.onosproject.vtnrsc.SecurityGroup;
+import org.onosproject.vtnrsc.SubnetId;
+import org.onosproject.vtnrsc.TenantId;
+import org.onosproject.vtnrsc.TenantNetworkId;
+import org.onosproject.vtnrsc.VirtualPort;
+import org.onosproject.vtnrsc.VirtualPortId;
+import org.onosproject.vtnrsc.flowclassifier.FlowClassifierService;
+import org.onosproject.vtnrsc.portpair.PortPairService;
+import org.onosproject.vtnrsc.portpairgroup.PortPairGroupService;
+import org.onosproject.vtnrsc.service.VtnRscService;
+import org.onosproject.vtnrsc.virtualport.VirtualPortService;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
+
+public class ServiceFunctionForwarderImplTest {
+
+    FlowObjectiveService flowObjectiveService = new FlowObjectiveAdapter();
+    DeviceService deviceService = new DeviceServiceAdapter();
+    HostService hostService = new HostServiceAdapter();
+    VirtualPortService virtualPortService = new VirtualPortAdapter();
+    VtnRscService vtnRscService = new VtnRscAdapter();
+    PortPairService portPairService = new PortPairAdapter();
+    PortPairGroupService portPairGroupService = new PortPairGroupAdapter();
+    FlowClassifierService flowClassifierService = new FlowClassifierAdapter();
+
+    final DriverService driverService = createMock(DriverService.class);
+
+    DeviceId deviceId = DeviceId.deviceId("of:000000000000001");
+    final TenantId tenantId = TenantId.tenantId("1");
+
+    final DriverHandler driverHandler = new MockDriverHandler();
+
+    private VirtualPort createVirtualPort(VirtualPortId id) {
+        Set<FixedIp> fixedIps;
+        Map<String, String> propertyMap;
+        Set<AllowedAddressPair> allowedAddressPairs;
+        Set<SecurityGroup> securityGroups = Sets.newHashSet();
+
+        String macAddressStr = "fa:12:3e:56:ee:a2";
+        String ipAddress = "10.1.1.1";
+        String tenantNetworkId = "1234567";
+        String subnet = "1212";
+        String hostIdStr = "fa:e2:3e:56:ee:a2";
+        String deviceOwner = "james";
+        propertyMap = Maps.newHashMap();
+        propertyMap.putIfAbsent("deviceOwner", deviceOwner);
+
+        TenantNetworkId networkId = TenantNetworkId.networkId(tenantNetworkId);
+        MacAddress macAddress = MacAddress.valueOf(macAddressStr);
+        BindingHostId bindingHostId = BindingHostId.bindingHostId(hostIdStr);
+        FixedIp fixedIp = FixedIp.fixedIp(SubnetId.subnetId(subnet),
+                                          IpAddress.valueOf(ipAddress));
+        fixedIps = Sets.newHashSet();
+        fixedIps.add(fixedIp);
+
+        allowedAddressPairs = Sets.newHashSet();
+        AllowedAddressPair allowedAddressPair = AllowedAddressPair
+                .allowedAddressPair(IpAddress.valueOf(ipAddress),
+                                    MacAddress.valueOf(macAddressStr));
+        allowedAddressPairs.add(allowedAddressPair);
+
+        VirtualPort d1 = new DefaultVirtualPort(id, networkId, true,
+                                                propertyMap,
+                                                VirtualPort.State.ACTIVE,
+                                                macAddress, tenantId, deviceId,
+                                                fixedIps, bindingHostId,
+                                                allowedAddressPairs,
+                                                securityGroups);
+        return d1;
+    }
+
+    @Test
+    public void testInstallFlowClassifier() {
+
+        PortPairId portPairId1 = PortPairId.of("73333333-fc23-aeb6-f44b-56dc5e2fb3ae");
+        PortPairId portPairId2 = PortPairId.of("74444444-fc23-aeb6-f44b-56dc5e2fb3ae");
+
+        final String ppName1 = "PortPair1";
+        final String ppDescription1 = "PortPair1";
+        final String ingress1 = "d3333333-24fc-4fae-af4b-321c5e2eb3d1";
+        final String egress1 = "a4444444-4a56-2a6e-cd3a-9dee4e2ec345";
+        DefaultPortPair.Builder portPairBuilder = new DefaultPortPair.Builder();
+        PortPair portPair1 = portPairBuilder.setId(portPairId1).setName(ppName1).setTenantId(tenantId)
+                .setDescription(ppDescription1).setIngress(ingress1).setEgress(egress1).build();
+
+        final String ppName2 = "PortPair2";
+        final String ppDescription2 = "PortPair2";
+        final String ingress2 = "d5555555-24fc-4fae-af4b-321c5e2eb3d1";
+        final String egress2 = "a6666666-4a56-2a6e-cd3a-9dee4e2ec345";
+        PortPair portPair2 = portPairBuilder.setId(portPairId2).setName(ppName2).setTenantId(tenantId)
+                .setDescription(ppDescription2).setIngress(ingress2).setEgress(egress2).build();
+
+        ApplicationId appId = new DefaultApplicationId(1, "test");
+        ServiceFunctionForwarderImpl serviceFunctionForwarder = new ServiceFunctionForwarderImpl();
+        serviceFunctionForwarder.virtualPortService = virtualPortService;
+        serviceFunctionForwarder.vtnRscService = vtnRscService;
+        serviceFunctionForwarder.portPairService = portPairService;
+        serviceFunctionForwarder.portPairGroupService = portPairGroupService;
+        serviceFunctionForwarder.flowClassifierService = flowClassifierService;
+        serviceFunctionForwarder.driverService = driverService;
+        serviceFunctionForwarder.hostService = hostService;
+        serviceFunctionForwarder.flowObjectiveService = flowObjectiveService;
+        serviceFunctionForwarder.appId = appId;
+
+        NshServicePathId nshSpiId = NshServicePathId.of(10);
+
+        portPairService.createPortPair(portPair1);
+        portPairService.createPortPair(portPair2);
+
+        List<PortPairId> path = Lists.newArrayList();
+        path.add(portPairId1);
+        path.add(portPairId2);
+
+        List<VirtualPort> virtualPortList = Lists.newArrayList();
+        virtualPortList.add(createVirtualPort(VirtualPortId.portId(egress1)));
+        virtualPortList.add(createVirtualPort(VirtualPortId.portId(ingress2)));
+        virtualPortService.createPorts(virtualPortList);
+
+        expect(driverService.createHandler(deviceId)).andReturn(driverHandler).anyTimes();
+        replay(driverService);
+
+        serviceFunctionForwarder.installLoadBalancedForwardingRule(path, nshSpiId);
+
+        ForwardingObjective forObj = ((FlowObjectiveAdapter) flowObjectiveService).forwardingObjective();
+
+        // Check for Selector
+        assertThat(forObj.selector().getCriterion(Criterion.Type.IN_PORT), instanceOf(PortCriterion.class));
+
+        // Check for treatment
+        List<Instruction> instructions = forObj.treatment().allInstructions();
+        for (Instruction instruction : instructions) {
+            if (instruction.type() == Instruction.Type.OUTPUT) {
+                assertThat(((OutputInstruction) instruction).port(), is(PortNumber.P0));
+            }
+        }
+    }
+}
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