Files
i2p.plugins.i2pcontrol/src/java/net/i2p/i2pcontrol/servlets/jsonrpc2handlers/GetRateHandler.java
2018-02-03 14:21:45 +00:00

86 lines
3.4 KiB
Java

package net.i2p.i2pcontrol.servlets.jsonrpc2handlers;
import com.thetransactioncompany.jsonrpc2.JSONRPC2Error;
import com.thetransactioncompany.jsonrpc2.JSONRPC2Request;
import com.thetransactioncompany.jsonrpc2.JSONRPC2Response;
import com.thetransactioncompany.jsonrpc2.server.MessageContext;
import com.thetransactioncompany.jsonrpc2.server.RequestHandler;
import net.i2p.I2PAppContext;
import net.i2p.stat.Rate;
import net.i2p.stat.RateStat;
import java.util.HashMap;
import java.util.Map;
/*
* Copyright 2011 hottuna (dev@robertfoss.se)
*
* 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.
*
*/
public class GetRateHandler implements RequestHandler {
private static final String[] requiredArgs = {"Stat", "Period"};
private final JSONRPC2Helper _helper;
public GetRateHandler(JSONRPC2Helper helper) {
_helper = helper;
}
// Reports the method names of the handled requests
public String[] handledRequests() {
return new String[] {"GetRate"};
}
// Processes the requests
public JSONRPC2Response process(JSONRPC2Request req, MessageContext ctx) {
if (req.getMethod().equals("GetRate")) {
JSONRPC2Error err = _helper.validateParams(requiredArgs, req);
if (err != null)
return new JSONRPC2Response(err, req.getID());
Map<String, Object> inParams = req.getNamedParams();
String input = (String) inParams.get("Stat");
if (input == null) {
return new JSONRPC2Response(JSONRPC2Error.INVALID_PARAMS, req.getID());
}
long period;
try {
period = (Long) inParams.get("Period");
} catch (NumberFormatException e) {
return new JSONRPC2Response(JSONRPC2Error.INVALID_PARAMS, req.getID());
}
RateStat rateStat = I2PAppContext.getGlobalContext().statManager().getRate(input);
// If RateStat or the requested period doesn't already exist, create them.
if (rateStat == null || rateStat.getRate(period) == null) {
long[] tempArr = new long[1];
tempArr[0] = period;
I2PAppContext.getGlobalContext().statManager().createRequiredRateStat(input, "I2PControl", "I2PControl", tempArr);
rateStat = I2PAppContext.getGlobalContext().statManager().getRate(input);
}
if (rateStat.getRate(period) == null)
return new JSONRPC2Response(JSONRPC2Error.INTERNAL_ERROR, req.getID());
Map<String, Object> outParams = new HashMap<String, Object>(4);
Rate rate = rateStat.getRate(period);
rate.coalesce();
outParams.put("Result", rate.getAverageValue());
return new JSONRPC2Response(outParams, req.getID());
}
return new JSONRPC2Response(JSONRPC2Error.METHOD_NOT_FOUND, req.getID());
}
}