1 files changed, 97 insertions, 0 deletions
diff --git a/framework/src/onos/apps/dhcp/app/src/main/java/org/onosproject/dhcp/impl/DhcpViewMessageHandler.java b/framework/src/onos/apps/dhcp/app/src/main/java/org/onosproject/dhcp/impl/DhcpViewMessageHandler.java
new file mode 100644
index 00000000..9ce65d5e
--- /dev/null
+++ b/framework/src/onos/apps/dhcp/app/src/main/java/org/onosproject/dhcp/impl/DhcpViewMessageHandler.java
@@ -0,0 +1,97 @@
+/*
+ * 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.dhcp.impl;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.collect.ImmutableSet;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.dhcp.DhcpService;
+import org.onosproject.dhcp.IpAssignment;
+import org.onosproject.net.HostId;
+import org.onosproject.ui.RequestHandler;
+import org.onosproject.ui.UiMessageHandler;
+import org.onosproject.ui.table.TableModel;
+import org.onosproject.ui.table.TableRequestHandler;
+
+import java.util.Collection;
+import java.util.Date;
+import java.util.Map;
+
+/**
+ * DHCPViewMessageHandler class implementation.
+ */
+public class DhcpViewMessageHandler extends UiMessageHandler {
+
+    private static final String DHCP_DATA_REQ = "dhcpDataRequest";
+    private static final String DHCP_DATA_RESP = "dhcpDataResponse";
+    private static final String DHCP = "dhcps";
+
+    private static final String HOST = "host";
+    private static final String IP = "ip";
+    private static final String LEASE = "lease";
+
+    private static final String[] COL_IDS = {
+            HOST, IP, LEASE
+    };
+
+    @Override
+    protected Collection<RequestHandler> createRequestHandlers() {
+        return ImmutableSet.of(
+                new DataRequestHandler()
+        );
+    }
+
+    // handler for dhcp table requests
+    private final class DataRequestHandler extends TableRequestHandler {
+
+        private DataRequestHandler() {
+            super(DHCP_DATA_REQ, DHCP_DATA_RESP, DHCP);
+        }
+
+        @Override
+        protected String defaultColumnId() {
+            return HOST;
+        }
+
+        @Override
+        protected String[] getColumnIds() {
+            return COL_IDS;
+        }
+
+        @Override
+        protected void populateTable(TableModel tm, ObjectNode payload) {
+            DhcpService dhcpService = AbstractShellCommand.get(DhcpService.class);
+            Map<HostId, IpAssignment> allocationMap = dhcpService.listMapping();
+
+            for (Map.Entry<HostId, IpAssignment> entry : allocationMap.entrySet()) {
+                populateRow(tm.addRow(), entry);
+            }
+        }
+
+        private void populateRow(TableModel.Row row, Map.Entry<HostId, IpAssignment> entry) {
+            if (entry.getValue().leasePeriod() > 0) {
+                Date now = new Date(entry.getValue().timestamp().getTime() + entry.getValue().leasePeriod());
+                row.cell(HOST, entry.getKey())
+                        .cell(IP, entry.getValue().ipAddress())
+                        .cell(LEASE, now.toString());
+            } else {
+                row.cell(HOST, entry.getKey())
+                        .cell(IP, entry.getValue().ipAddress())
+                        .cell(LEASE, "Infinite Static Lease");
+            }
+        }
+    }
+}