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/TunnelAddCommand.java b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/cli/TunnelAddCommand.java
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+++ b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/cli/TunnelAddCommand.java
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+
+/*
+ * 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.DefaultTunnel;
+import org.onosproject.segmentrouting.SegmentRoutingService;
+import org.onosproject.segmentrouting.Tunnel;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.StringTokenizer;
+
+/**
+ * Command to add a new tunnel.
+ */
+@Command(scope = "onos", name = "srtunnel-add",
+        description = "Create a new tunnel")
+public class TunnelAddCommand extends AbstractShellCommand {
+
+    @Argument(index = 0, name = "tunnel ID",
+            description = "tunnel ID",
+            required = true, multiValued = false)
+    String tunnelId;
+
+    @Argument(index = 1, name = "label path",
+            description = "label path",
+            required = true, multiValued = false)
+    String labels;
+
+
+    @Override
+    protected void execute() {
+
+        SegmentRoutingService srService =
+                AbstractShellCommand.get(SegmentRoutingService.class);
+
+        List<Integer> labelIds = new ArrayList<>();
+        StringTokenizer strToken = new StringTokenizer(labels, ",");
+        while (strToken.hasMoreTokens()) {
+            labelIds.add(Integer.valueOf(strToken.nextToken()));
+        }
+        Tunnel tunnel = new DefaultTunnel(tunnelId, labelIds);
+
+        srService.createTunnel(tunnel);
+    }
+}
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