/*
* Copyright (c) 2011,2013 Big Switch Networks, Inc.
*
* Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/legal/epl-v10.html
*
* 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.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* 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 org.sdnplatform.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 org.sdnplatform.core.IControllerService;
import org.sdnplatform.counter.ICounter;
import org.sdnplatform.counter.ICounterStoreService;
/**
* Get counters for a particular switch
* @author readams
*/
public class SwitchCounterResource extends CounterResourceBase {
@Get("json")
public Map<String, Object> retrieve() {
IControllerService controllerProvider =
(IControllerService)getContext().getAttributes().
get(IControllerService.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 = controllerProvider.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);
}
}
}