| /** |
| * Copyright 2011, Big Switch Networks, Inc. |
| * Originally created by David Erickson, Stanford University |
| * |
| * 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 net.floodlightcontroller.core.web; |
| |
| import java.io.UnsupportedEncodingException; |
| import java.net.URLDecoder; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.openflow.util.HexString; |
| import org.restlet.resource.Get; |
| |
| import net.floodlightcontroller.core.IFloodlightProviderService; |
| import net.floodlightcontroller.counter.ICounter; |
| import net.floodlightcontroller.counter.ICounterStoreService; |
| |
| /** |
| * Get counters for a particular switch |
| * @author readams |
| */ |
| public class SwitchCounterResource extends CounterResourceBase { |
| @Get("json") |
| public Map<String, Object> retrieve() { |
| IFloodlightProviderService floodlightProvider = |
| (IFloodlightProviderService)getContext().getAttributes(). |
| get(IFloodlightProviderService.class.getCanonicalName()); |
| HashMap<String,Object> model = new HashMap<String,Object>(); |
| |
| String switchID = (String) getRequestAttributes().get("switchId"); |
| String counterName = (String) getRequestAttributes().get("counterName"); |
| |
| Long[] switchDpids; |
| if (switchID.equalsIgnoreCase("all")) { |
| switchDpids = floodlightProvider.getSwitches().keySet().toArray(new Long[0]); |
| getOneSwitchCounterJson(model, ICounterStoreService.CONTROLLER_NAME, counterName); |
| for (Long dpid : switchDpids) { |
| switchID = HexString.toHexString(dpid); |
| |
| getOneSwitchCounterJson(model, switchID, counterName); |
| } |
| } else { |
| getOneSwitchCounterJson(model, switchID, counterName); |
| } |
| return model; |
| } |
| |
| protected void getOneSwitchCounterJson(Map<String, Object> model, |
| String switchID, String counterName) { |
| String fullCounterName = ""; |
| |
| try { |
| counterName = URLDecoder.decode(counterName, "UTF-8"); |
| fullCounterName = |
| switchID + ICounterStoreService.TitleDelimitor + counterName; |
| } catch (UnsupportedEncodingException e) { |
| //Just leave counterTitle undecoded if there is an issue - fail silently |
| } |
| |
| ICounter counter = this.counterStore.getCounter(fullCounterName); |
| Map<String, Long> sample = new HashMap<String, Long> (); |
| if (counter != null) { |
| sample.put(counter.getCounterDate().toString(), |
| counter.getCounterValue().getLong()); |
| model.put(switchID, sample); |
| } |
| } |
| |
| } |