Add CLI commands to create/list/remove tunnels and policies

Change-Id: I8cffb0feceb07e7f090e6a51fa41dde680b4956a
diff --git a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/cli/PolicyAddCommand.java b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/cli/PolicyAddCommand.java
new file mode 100644
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+++ b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/cli/PolicyAddCommand.java
@@ -0,0 +1,89 @@
+/*
+ * 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.segmentrouting.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.segmentrouting.Policy;
+import org.onosproject.segmentrouting.SegmentRoutingService;
+import org.onosproject.segmentrouting.TunnelPolicy;
+
+/**
+ * Command to add a new policy.
+ */
+@Command(scope = "onos", name = "srpolicy-add",
+        description = "Create a new policy")
+public class PolicyAddCommand extends AbstractShellCommand {
+
+    // TODO: Need to support skipping some parameters
+
+    @Argument(index = 0, name = "policy ID",
+            description = "policy ID",
+            required = true, multiValued = false)
+    String policyId;
+
+    @Argument(index = 1, name = "priority",
+            description = "priority",
+            required = true, multiValued = false)
+    int priority;
+
+    @Argument(index = 2, name = "src IP",
+            description = "src IP",
+            required = false, multiValued = false)
+    String srcIp;
+
+    @Argument(index = 3, name = "dst IP",
+            description = "dst IP",
+            required = false, multiValued = false)
+    String dstIp;
+
+    @Argument(index = 4, name = "policy type",
+            description = "policy type",
+            required = true, multiValued = false)
+    String policyType;
+
+    @Argument(index = 5, name = "tunnel ID",
+            description = "tunnel ID",
+            required = false, multiValued = false)
+    String tunnelId;
+
+    @Override
+    protected void execute() {
+
+        SegmentRoutingService srService =
+                AbstractShellCommand.get(SegmentRoutingService.class);
+
+        TunnelPolicy.Builder tpb = TunnelPolicy.builder().setPolicyId(policyId);
+        tpb.setPriority(priority);
+        tpb.setType(Policy.Type.valueOf(policyType));
+
+        if (srcIp != null) {
+            tpb.setSrcIp(srcIp);
+        }
+        if (dstIp != null) {
+            tpb.setDstIp(dstIp);
+        }
+        if (Policy.Type.valueOf(policyType) == Policy.Type.TUNNEL_FLOW) {
+            if (tunnelId == null) {
+                // TODO: handle errors
+                return;
+            }
+            tpb.setTunnelId(tunnelId);
+        }
+        srService.createPolicy(tpb.build());
+    }
+}