1 files changed, 101 insertions, 0 deletions
diff --git a/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/ClusterViewMessageHandler.java b/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/ClusterViewMessageHandler.java
new file mode 100644
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--- /dev/null
+++ b/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/ClusterViewMessageHandler.java
@@ -0,0 +1,101 @@
+/*
+ * 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.ui.impl;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.collect.ImmutableSet;
+import org.joda.time.DateTime;
+import org.onosproject.cluster.ClusterService;
+import org.onosproject.cluster.ControllerNode;
+import org.onosproject.cluster.NodeId;
+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.TimeFormatter;
+
+import java.util.Collection;
+
+
+/**
+ * Message handler for cluster view related messages.
+ */
+public class ClusterViewMessageHandler extends UiMessageHandler {
+
+    private static final String CLUSTER_DATA_REQ = "clusterDataRequest";
+    private static final String CLUSTER_DATA_RESP = "clusterDataResponse";
+    private static final String CLUSTERS = "clusters";
+
+    private static final String ID = "id";
+    private static final String IP = "ip";
+    private static final String TCP_PORT = "tcp";
+    private static final String STATE_IID = "_iconid_state";
+    private static final String UPDATED = "updated";
+
+    private static final String[] COL_IDS = {
+            ID, IP, TCP_PORT, STATE_IID, UPDATED
+    };
+
+    private static final String ICON_ID_ONLINE = "active";
+    private static final String ICON_ID_OFFLINE = "inactive";
+
+    @Override
+    protected Collection<RequestHandler> createRequestHandlers() {
+        return ImmutableSet.of(new ClusterDataRequest());
+    }
+
+    // handler for cluster table requests
+    private final class ClusterDataRequest extends TableRequestHandler {
+        private ClusterDataRequest() {
+            super(CLUSTER_DATA_REQ, CLUSTER_DATA_RESP, CLUSTERS);
+        }
+
+        @Override
+        protected String[] getColumnIds() {
+            return COL_IDS;
+        }
+
+        @Override
+        protected TableModel createTableModel() {
+            TableModel tm = super.createTableModel();
+            tm.setFormatter(UPDATED, new TimeFormatter());
+            return tm;
+        }
+
+        @Override
+        protected void populateTable(TableModel tm, ObjectNode payload) {
+            ClusterService cs = get(ClusterService.class);
+            for (ControllerNode node : cs.getNodes()) {
+                populateRow(tm.addRow(), node, cs);
+            }
+        }
+
+        private void populateRow(TableModel.Row row, ControllerNode node,
+                                 ClusterService cs) {
+            NodeId id = node.id();
+            DateTime lastUpdated = cs.getLastUpdated(id);
+            String iconId = (cs.getState(id) == ControllerNode.State.ACTIVE) ?
+                    ICON_ID_ONLINE : ICON_ID_OFFLINE;
+
+            row.cell(ID, id)
+                .cell(IP, node.ip())
+                .cell(TCP_PORT, node.tcpPort())
+                .cell(STATE_IID, iconId)
+                .cell(UPDATED, lastUpdated);
+        }
+    }
+}