/**
* 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.List;
import java.util.Map;
import org.openflow.util.HexString;
import org.restlet.resource.Get;
import net.floodlightcontroller.core.IFloodlightProviderService;
import net.floodlightcontroller.counter.CounterStore.NetworkLayer;
import net.floodlightcontroller.counter.ICounterStoreService;
/**
* Get the counter categories for a particular switch
* @author readams
*/
public class SwitchCounterCategoriesResource 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");
String layer = (String) getRequestAttributes().get("layer");
if (switchID.equalsIgnoreCase("all")) {
for (Long dpid : floodlightProvider.getAllSwitchDpids()) {
switchID = HexString.toHexString(dpid);
getOneSwitchCounterCategoriesJson(model, switchID, counterName, layer);
}
} else {
getOneSwitchCounterCategoriesJson(model, switchID, counterName, layer);
}
return model;
}
protected void getOneSwitchCounterCategoriesJson(Map<String, Object> model,
String switchID,
String counterName,
String layer) {
String fullCounterName = "";
NetworkLayer nl = NetworkLayer.L3;
try {
counterName = URLDecoder.decode(counterName, "UTF-8");
layer = URLDecoder.decode(layer, "UTF-8");
fullCounterName = switchID + ICounterStoreService.TitleDelimitor + counterName;
} catch (UnsupportedEncodingException e) {
//Just leave counterTitle undecoded if there is an issue - fail silently
}
if (layer.compareToIgnoreCase("4") == 0) {
nl = NetworkLayer.L4;
}
List<String> categories = this.counterStore.getAllCategories(fullCounterName, nl);
if (categories != null) {
model.put(fullCounterName + "." + layer, categories);
}
}
}