| /* |
| * Copyright 2015-present 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 static final String NO_ROWS_MESSAGE = "No mappings found"; |
| |
| 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 String noRowsMessage(ObjectNode payload) { |
| return NO_ROWS_MESSAGE; |
| } |
| |
| @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"); |
| } |
| } |
| } |
| } |