| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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.opencord.dhcpl2relay.cli; |
| |
| |
| import org.apache.karaf.shell.api.action.Argument; |
| import org.apache.karaf.shell.api.action.Command; |
| import org.apache.karaf.shell.api.action.Option; |
| import org.apache.karaf.shell.api.action.lifecycle.Service; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.opencord.dhcpl2relay.DhcpL2RelayEvent; |
| import org.opencord.dhcpl2relay.impl.DhcpL2RelayCounterNames; |
| import org.opencord.dhcpl2relay.impl.DhcpL2RelayCountersIdentifier; |
| import org.opencord.dhcpl2relay.impl.DhcpL2RelayCountersStore; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| |
| /** |
| * Display/Reset the DHCP L2 relay application statistics. |
| */ |
| @Service |
| @Command(scope = "onos", name = "dhcpl2relay-stats", |
| description = "Display or Reset the DHCP L2 relay application statistics") |
| public class DhcpL2RelayStatsCommand extends AbstractShellCommand { |
| private static final String CONFIRM_PHRASE = "please"; |
| |
| @Option(name = "-r", aliases = "--reset", description = "Reset the counter[s]\n" + |
| "(WARNING!!!: In case no counter name is explicitly specified, all DHCP L2 Relay counters will be reset).", |
| required = false, multiValued = false) |
| private boolean reset = false; |
| |
| @Option(name = "-s", aliases = "--subscriberId", description = "Subscriber Id\n", |
| required = false, multiValued = false) |
| private String subscriberId = null; |
| |
| @Option(name = "-p", aliases = "--please", description = "Confirmation phrase", |
| required = false, multiValued = false) |
| String please = null; |
| |
| @Argument(index = 0, name = "counter", |
| description = "The counter to display (or reset). In case not specified, all counters\nwill be " + |
| "displayed (or reset in case the -r option is specified).", |
| required = false, multiValued = false) |
| DhcpL2RelayCounterNames counter = null; |
| |
| @Override |
| protected void doExecute() { |
| DhcpL2RelayCountersStore dhcpCounters = AbstractShellCommand.get( |
| DhcpL2RelayCountersStore.class); |
| |
| if ((subscriberId == null) || (subscriberId.equals("global"))) { |
| // All subscriber Ids |
| subscriberId = DhcpL2RelayEvent.GLOBAL_COUNTER; |
| } |
| |
| if (reset) { |
| if (please == null || !please.equals(CONFIRM_PHRASE)) { |
| print("WARNING: Be aware that you are going to reset the counters. " + |
| "Enter confirmation phrase to continue."); |
| return; |
| } |
| if (counter == null) { |
| // Reset all global counters |
| dhcpCounters.resetCounters(subscriberId); |
| } else { |
| // Reset the specified counter |
| dhcpCounters.setCounter(subscriberId, counter, (long) 0); |
| } |
| } else { |
| Map<DhcpL2RelayCountersIdentifier, Long> countersMap = dhcpCounters.getCounters().counters(); |
| if (countersMap.size() > 0) { |
| if (counter == null) { |
| String jsonString = ""; |
| if (outputJson()) { |
| jsonString = String.format("{\"%s\":{", dhcpCounters.NAME); |
| } else { |
| print("%s [%s] :", dhcpCounters.NAME, subscriberId); |
| } |
| DhcpL2RelayCounterNames[] counters = DhcpL2RelayCounterNames.values(); |
| for (int i = 0; i < counters.length; i++) { |
| DhcpL2RelayCounterNames counterType = counters[i]; |
| Long value = countersMap.get(new DhcpL2RelayCountersIdentifier(subscriberId, counterType)); |
| if (value == null) { |
| value = 0L; |
| } |
| if (outputJson()) { |
| jsonString += String.format("\"%s\":%d", counterType, value); |
| if (i < counters.length - 1) { |
| jsonString += ","; |
| } |
| } else { |
| printCounter(counterType, value); |
| } |
| } |
| if (outputJson()) { |
| jsonString += "}}"; |
| print("%s", jsonString); |
| } |
| } else { |
| // Show only the specified counter |
| Long value = countersMap.get(new DhcpL2RelayCountersIdentifier(subscriberId, counter)); |
| if (value == null) { |
| value = 0L; |
| } |
| if (outputJson()) { |
| print("{\"%s\":%d}", counter, value); |
| } else { |
| printCounter(counter, value); |
| } |
| } |
| } else { |
| print("No DHCP L2 Relay Counters were created yet for counter class [%s]", |
| DhcpL2RelayEvent.GLOBAL_COUNTER); |
| } |
| } |
| } |
| |
| private void printCounter(DhcpL2RelayCounterNames counterNames, long value) { |
| // print in non-JSON format |
| print(" %s %s %-4d", counterNames, |
| String.join("", Collections.nCopies(50 - counterNames.toString().length(), ".")), value); |
| } |
| } |