ONOS-958: Add a Group action to TrafficTreatment subsystem.

Change-Id: I2a377508b9721ee96a5a52b0bb2ed3a960c982ce

@@ -20,6 +20,7 @@ import com.google.common.collect.ImmutableList;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
+import org.onosproject.core.GroupId;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.flow.instructions.Instruction;
 import org.onosproject.net.flow.instructions.Instructions;
@@ -241,6 +242,11 @@ public final class DefaultTrafficTreatment implements TrafficTreatment {
         }
 
         @Override
+        public Builder group(GroupId groupId) {
+            return add(Instructions.createGroup(groupId));
+        }
+
+        @Override
         public TrafficTreatment build() {
 
             //If we are dropping should we just return an empty list?

@@ -17,6 +17,7 @@ package org.onosproject.net.flow;
 
 import java.util.List;
 
+import org.onosproject.core.GroupId;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.flow.instructions.Instruction;
 import org.onlab.packet.IpAddress;
@@ -185,6 +186,14 @@ public interface TrafficTreatment {
         public Builder setLambda(short lambda);
 
         /**
+         * Sets the group ID.
+         *
+         * @param groupId group ID
+         * @return a treatment builder
+         */
+        public Builder group(GroupId groupId);
+
+        /**
          * Builds an immutable traffic treatment descriptor.
          *
          * @return traffic treatment

@@ -21,6 +21,7 @@ import static org.onosproject.net.flow.instructions.L2ModificationInstruction.*;
 
 import java.util.Objects;
 
+import org.onosproject.core.GroupId;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.flow.instructions.L0ModificationInstruction.L0SubType;
 import org.onosproject.net.flow.instructions.L0ModificationInstruction.ModLambdaInstruction;
@@ -65,6 +66,17 @@ public final class Instructions {
     }
 
     /**
+     * Creates a group instruction.
+     *
+     * @param groupId Group Id
+     * @return group instruction
+     */
+    public static GroupInstruction createGroup(final GroupId groupId) {
+        checkNotNull(groupId, "GroupId cannot be null");
+        return new GroupInstruction(groupId);
+    }
+
+    /**
      * Creates a l0 modification.
      * @param lambda the lambda to modify to.
      * @return a l0 modification
@@ -207,7 +219,7 @@ public final class Instructions {
     }
 
     /*
-     *  Output instructions
+     *  Drop instructions
      */
 
     public static final class DropInstruction implements Instruction {
@@ -241,6 +253,9 @@ public final class Instructions {
         }
     }
 
+    /*
+     *  Output Instruction
+     */
 
     public static final class OutputInstruction implements Instruction {
         private final PortNumber port;
@@ -282,6 +297,50 @@ public final class Instructions {
         }
     }
 
+    /*
+     *  Group Instruction
+     */
+
+    public static final class GroupInstruction implements Instruction {
+        private final GroupId groupId;
+
+        private GroupInstruction(GroupId groupId) {
+            this.groupId = groupId;
+        }
+
+        public GroupId groupId() {
+            return groupId;
+        }
+
+        @Override
+        public Type type() {
+            return Type.GROUP;
+        }
+        @Override
+        public String toString() {
+            return toStringHelper(type().toString())
+                    .add("group ID", groupId.id()).toString();
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(type(), groupId);
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (obj instanceof GroupInstruction) {
+                GroupInstruction that = (GroupInstruction) obj;
+                return Objects.equals(groupId, that.groupId);
+
+            }
+            return false;
+        }
+    }
+
 }
 
 

@@ -22,6 +22,7 @@ import org.onlab.packet.Ip6Address;
 import org.onlab.packet.Ip6Prefix;
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
+import org.onosproject.core.DefaultGroupId;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.flow.DefaultFlowEntry;
@@ -39,14 +40,10 @@ import org.projectfloodlight.openflow.protocol.OFFlowStatsEntry;
 import org.projectfloodlight.openflow.protocol.OFInstructionType;
 import org.projectfloodlight.openflow.protocol.action.OFAction;
 import org.projectfloodlight.openflow.protocol.action.OFActionCircuit;
-import org.projectfloodlight.openflow.protocol.action.OFActionCopyTtlIn;
-import org.projectfloodlight.openflow.protocol.action.OFActionCopyTtlOut;
-import org.projectfloodlight.openflow.protocol.action.OFActionDecMplsTtl;
-import org.projectfloodlight.openflow.protocol.action.OFActionDecNwTtl;
 import org.projectfloodlight.openflow.protocol.action.OFActionExperimenter;
+import org.projectfloodlight.openflow.protocol.action.OFActionGroup;
 import org.projectfloodlight.openflow.protocol.action.OFActionOutput;
 import org.projectfloodlight.openflow.protocol.action.OFActionPopMpls;
-import org.projectfloodlight.openflow.protocol.action.OFActionPushMpls;
 import org.projectfloodlight.openflow.protocol.action.OFActionSetDlDst;
 import org.projectfloodlight.openflow.protocol.action.OFActionSetDlSrc;
 import org.projectfloodlight.openflow.protocol.action.OFActionSetField;
@@ -207,25 +204,24 @@ public class FlowEntryBuilder {
                 builder.popMpls((short) popMpls.getEthertype().getValue());
                 break;
             case PUSH_MPLS:
-                OFActionPushMpls pushMpls = (OFActionPushMpls) act;
                 builder.pushMpls();
                 break;
             case COPY_TTL_IN:
-                OFActionCopyTtlIn copyTtlIn = (OFActionCopyTtlIn) act;
                 builder.copyTtlIn();
                 break;
             case COPY_TTL_OUT:
-                OFActionCopyTtlOut copyTtlOut = (OFActionCopyTtlOut) act;
                 builder.copyTtlOut();
                 break;
             case DEC_MPLS_TTL:
-                OFActionDecMplsTtl decMplsTtl = (OFActionDecMplsTtl) act;
                 builder.decMplsTtl();
                 break;
             case DEC_NW_TTL:
-                OFActionDecNwTtl decNwTtl = (OFActionDecNwTtl) act;
                 builder.decNwTtl();
                 break;
+            case GROUP:
+                OFActionGroup group = (OFActionGroup) act;
+                builder.group(new DefaultGroupId(group.getGroup().getGroupNumber()));
+                break;
             case SET_TP_DST:
             case SET_TP_SRC:
             case POP_PBB:
@@ -241,8 +237,6 @@ public class FlowEntryBuilder {
             case SET_QUEUE:
             case STRIP_VLAN:
             case ENQUEUE:
-
-            case GROUP:
             default:
                 log.warn("Action type {} not yet implemented.", act.getType());
             }

@@ -21,6 +21,7 @@ import org.onosproject.net.flow.FlowRule;
 import org.onosproject.net.flow.TrafficTreatment;
 import org.onosproject.net.flow.instructions.Instruction;
 import org.onosproject.net.flow.instructions.Instructions.OutputInstruction;
+import org.onosproject.net.flow.instructions.Instructions.GroupInstruction;
 import org.onosproject.net.flow.instructions.L0ModificationInstruction;
 import org.onosproject.net.flow.instructions.L0ModificationInstruction.ModLambdaInstruction;
 import org.onosproject.net.flow.instructions.L2ModificationInstruction;
@@ -37,6 +38,7 @@ import org.projectfloodlight.openflow.protocol.OFFlowDelete;
 import org.projectfloodlight.openflow.protocol.OFFlowMod;
 import org.projectfloodlight.openflow.protocol.OFFlowModFlags;
 import org.projectfloodlight.openflow.protocol.action.OFAction;
+import org.projectfloodlight.openflow.protocol.action.OFActionGroup;
 import org.projectfloodlight.openflow.protocol.action.OFActionOutput;
 import org.projectfloodlight.openflow.protocol.match.Match;
 import org.projectfloodlight.openflow.protocol.oxm.OFOxm;
@@ -45,6 +47,7 @@ import org.projectfloodlight.openflow.types.EthType;
 import org.projectfloodlight.openflow.types.IPv4Address;
 import org.projectfloodlight.openflow.types.MacAddress;
 import org.projectfloodlight.openflow.types.OFBufferId;
+import org.projectfloodlight.openflow.types.OFGroup;
 import org.projectfloodlight.openflow.types.OFPort;
 import org.projectfloodlight.openflow.types.OFVlanVidMatch;
 import org.projectfloodlight.openflow.types.U32;
@@ -183,6 +186,11 @@ public class FlowModBuilderVer13 extends FlowModBuilder {
                 actions.add(action.build());
                 break;
             case GROUP:
+                GroupInstruction group = (GroupInstruction) i;
+                OFActionGroup.Builder groupBuilder = factory().actions().buildGroup()
+                        .setGroup(OFGroup.of(group.groupId().id()));
+                actions.add(groupBuilder.build());
+                break;
             default:
                 log.warn("Instruction type {} not yet implemented.", i.type());
             }