[ONOS-2096] Let GUI support tunnel

1. add a TunnelViewMesageHandler to handle message from the client.
2. add a tunnel view to show tunnel information on the GUI

Change-Id: I1d9a73c0e4e8ed1a55cdbef09426995989c4e76a

+package org.onosproject.ui.impl;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.collect.ImmutableSet;
+import org.onosproject.incubator.net.tunnel.Tunnel;
+import org.onosproject.incubator.net.tunnel.TunnelService;
+import org.onosproject.ui.RequestHandler;
+import org.onosproject.ui.UiMessageHandler;
+import org.onosproject.ui.table.TableModel;
+import org.onosproject.ui.table.TableRequestHandler;
+import org.onosproject.ui.table.cell.EnumFormatter;
+
+import java.util.Collection;
+
+public class TunnelViewMessageHandler extends UiMessageHandler {
+    private static final String TUNNEL_DATA_REQ = "tunnelDataRequest";
+    private static final String TUNNEL_DATA_RESP = "tunnelDataResponse";
+    private static final String TUNNELS = "tunnels";
+    private static final String ID = "id";
+    private static final String NAME = "name";
+    private static final String ONE = "one";
+    private static final String TWO = "two";
+    private static final String TYPE = "type";
+    private static final String GROUP_ID = "group_id";
+
+    private static final String BANDWIDTH = "bandwidth";
+    private static final String PATH = "path";
+
+
+    private static final String[] COL_IDS = {
+            ID, NAME, ONE, TWO, TYPE, GROUP_ID,
+            BANDWIDTH, PATH
+    };
+
+    @Override
+    protected Collection<RequestHandler> createRequestHandlers() {
+        return ImmutableSet.of(new TunnelDataRequestHandler());
+    }
+
+    private final class TunnelDataRequestHandler extends TableRequestHandler {
+
+        public TunnelDataRequestHandler() {
+            super(TUNNEL_DATA_REQ, TUNNEL_DATA_RESP, TUNNELS);
+        }
+
+        @Override
+        protected String[] getColumnIds() {
+            return COL_IDS;
+        }
+
+        @Override
+        protected TableModel createTableModel() {
+            TableModel tm = super.createTableModel();
+            //TODO add more formater class so that we can get a more readable table
+            tm.setFormatter(TYPE, EnumFormatter.INSTANCE);
+            return tm;
+        }
+
+        @Override
+        protected void populateTable(TableModel tm, ObjectNode payload) {
+            TunnelService ts = get(TunnelService.class);
+            ts.queryAllTunnels().forEach(tunnel -> {
+                populateRow(tm.addRow(), tunnel);
+            });
+        }
+
+    }
+
+    private void populateRow(TableModel.Row row, Tunnel tunnel) {
+        row.cell(ID, tunnel.tunnelId().id())
+                .cell(NAME, tunnel.tunnelName().value())
+                .cell(ONE, tunnel.src())
+                .cell(TWO, tunnel.dst())
+                .cell(TYPE, tunnel.type())
+                .cell(GROUP_ID, tunnel.groupId().id())
+                .cell(BANDWIDTH, tunnel.annotations().value(BANDWIDTH))
+                .cell(PATH, tunnel.path());
+    }
+}

@@ -84,7 +84,9 @@ public class UiExtensionManager implements UiExtensionService, SpriteService {
                 new UiViewHidden("group"),
                 new UiViewHidden("group"),
                 new UiView(NETWORK, "link", "Links", "nav_links"),
                 new UiView(NETWORK, "link", "Links", "nav_links"),
                 new UiView(NETWORK, "host", "Hosts", "nav_hosts"),
                 new UiView(NETWORK, "host", "Hosts", "nav_hosts"),
-                new UiView(NETWORK, "intent", "Intents", "nav_intents")
+                new UiView(NETWORK, "intent", "Intents", "nav_intents"),
+                //TODO add a new type of icon for tunnel
+                new UiView(NETWORK, "tunnel", "Tunnels", "nav_links")
         );
         );
 
 
         UiMessageHandlerFactory messageHandlerFactory =
         UiMessageHandlerFactory messageHandlerFactory =
@@ -99,7 +101,8 @@ public class UiExtensionManager implements UiExtensionService, SpriteService {
                         new IntentViewMessageHandler(),
                         new IntentViewMessageHandler(),
                         new ApplicationViewMessageHandler(),
                         new ApplicationViewMessageHandler(),
                         new SettingsViewMessageHandler(),
                         new SettingsViewMessageHandler(),
-                        new ClusterViewMessageHandler()
+                        new ClusterViewMessageHandler(),
+                        new TunnelViewMessageHandler()
                 );
                 );
 
 
         UiTopoOverlayFactory topoOverlayFactory =
         UiTopoOverlayFactory topoOverlayFactory =

+/*
+ * 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.
+ */
+
+/*
+ ONOS GUI -- Link View -- CSS file
+ */
+
+#ov-tunnel h2 {
+    display: inline-block;
+}
+
+#ov-tunnel div.ctrl-btns {
+    width: 45px;
+}
\ No newline at end of file

+<!--
+  ~ 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.
+  -->
+
+<!-- Tunnel partial HTML -->
+<div id="ov-tunnel">
+    <div class="tabular-header">
+        <h2>Tunnels ({{tableData.length}} total)</h2>
+        <div class="ctrl-btns">
+            <div class="refresh" ng-class="{active: autoRefresh}"
+                 icon icon-size="36" icon-id="refresh"
+                 tooltip tt-msg="autoRefreshTip"
+                 ng-click="toggleRefresh()"></div>
+        </div>
+    </div>
+
+    <div class="summary-list" onos-table-resize>
+        <div ng-show="loading" class="loading-wheel"
+             icon icon-id="loading" icon-size="75"></div>
+
+        <div class="table-header" onos-sortable-header>
+            <table>
+                <tr>
+                    <td colId="id" sortable>ID </td>
+                    <td colId="name" sortable>Name</td>
+                    <td colId="one" sortable>Port 1 </td>
+                    <td colId="two" sortable>Port 2 </td>
+                    <td colId="type" sortable>Type </td>
+                    <td colId="group_id" sortable>Group Id</td>
+                    <td colId="bandwidth" sortable>Bandwidth</td>
+                    <td colId="path" sortable>Path</td>
+                </tr>
+            </table>
+        </div>
+
+        <div class="table-body">
+            <table onos-flash-changes id-prop="one">
+                <tr ng-if="!tableData.length" class="no-data">
+                    <td colspan="6">
+                        No tunnels found
+                    </td>
+                </tr>
+
+                <tr ng-repeat="tunnel in tableData track by $index"
+                    ng-repeat-complete row-id="{{tunnel.id}}">
+                    <td>{{tunnel.id}}</td>
+                    <td>{{tunnel.name}}</td>
+                    <td>{{tunnel.one}}</td>
+                    <td>{{tunnel.two}}</td>
+                    <td>{{tunnel.type}}</td>
+                    <td>{{tunnel.group_id}}</td>
+                    <td>{{tunnel.path}}</td>
+                </tr>
+            </table>
+        </div>
+
+    </div>
+
+</div>

+/*
+ * 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.
+ */
+
+/*
+ ONOS GUI -- Host View Module
+ */
+
+(function () {
+    'use strict';
+
+    angular.module('ovTunnel', [])
+    .controller('OvTunnelCtrl',
+        ['$log', '$scope', '$sce', 'FnService', 'TableBuilderService',
+
+        function ($log, $scope, $sce, fs, tbs) {
+            tbs.buildTable({
+                scope: $scope,
+                tag: 'tunnel'
+            });
+
+            $scope.$watch('tableData', function () {
+                if (!fs.isEmptyObject($scope.tableData)) {
+                    $scope.tableData.forEach(function (tunnel) {
+                        //tunnel.direction = $sce.trustAsHtml(tunnel.direction);
+                    });
+                }
+            });
+
+            $log.log('OvTunnelCtrl has been created');
+        }]);
+}());

@@ -121,6 +121,7 @@
     <script src="app/view/app/app.js"></script>
     <script src="app/view/app/app.js"></script>
     <script src="app/view/settings/settings.js"></script>
     <script src="app/view/settings/settings.js"></script>
     <script src="app/view/cluster/cluster.js"></script>
     <script src="app/view/cluster/cluster.js"></script>
+    <script src="app/view/tunnel/tunnel.js"></script>
 
 
     <!-- This is where contributed javascript will get injected -->
     <!-- This is where contributed javascript will get injected -->
     <!-- {INJECTED-JAVASCRIPT-START} -->
     <!-- {INJECTED-JAVASCRIPT-START} -->
@@ -138,6 +139,7 @@
     <link rel="stylesheet" href="app/view/app/app.css">
     <link rel="stylesheet" href="app/view/app/app.css">
     <link rel="stylesheet" href="app/view/settings/settings.css">
     <link rel="stylesheet" href="app/view/settings/settings.css">
     <link rel="stylesheet" href="app/view/cluster/cluster.css">
     <link rel="stylesheet" href="app/view/cluster/cluster.css">
+    <link rel="stylesheet" href="app/view/tunnel/tunnel.css">
 
 
     <!-- This is where contributed stylesheets will get injected -->
     <!-- This is where contributed stylesheets will get injected -->
     <!-- {INJECTED-STYLESHEETS-START} -->
     <!-- {INJECTED-STYLESHEETS-START} -->