/**
* 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");
if (switchID.equalsIgnoreCase("all")) {
getOneSwitchCounterJson(model, ICounterStoreService.CONTROLLER_NAME, counterName);
for (Long dpid : floodlightProvider.getAllSwitchDpids()) {
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);
}
}
}