/*
* Copyright 2009-2016 Weibo, Inc.
*
* 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 com.weibo.api.motan.rpc;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
/**
*
* rpc call statistic.
*
* @author fishermen
* @version V1.0 created at: 2013-5-23
*/
public class RpcStats {
private static final String SEPERATOR_METHOD_AND_PARAM = "|";
private static ConcurrentHashMap<String, StatInfo> serviceStat = new ConcurrentHashMap<String, RpcStats.StatInfo>();
private static ConcurrentHashMap<String, ConcurrentHashMap<String, StatInfo>> methodStat =
new ConcurrentHashMap<String, ConcurrentHashMap<String, StatInfo>>();
private static ScheduledExecutorService scheduledExecutor = Executors.newScheduledThreadPool(1);
/**
* call before invoke the request
*
* @param url
* @param request
*/
public static void beforeCall(URL url, Request request) {
String uri = url.getUri();
onBeforeCall(getServiceStat(uri));
onBeforeCall(getMethodStat(uri, request.getMethodName(), request.getParamtersDesc()));
}
/**
* call after invoke the request
*
* @param url
* @param request
* @param success
* @param procTimeMills
*/
public static void afterCall(URL url, Request request, boolean success, long procTimeMills) {
String uri = url.getUri();
onAfterCall(getServiceStat(uri), success, procTimeMills);
onAfterCall(getMethodStat(uri, request.getMethodName(), request.getParamtersDesc()), success, procTimeMills);
}
public static StatInfo getServiceStat(URL url) {
return getServiceStat(url.getUri());
}
public static StatInfo getMethodStat(URL url, Request request) {
return getMethodStat(url.getUri(), request.getMethodName(), request.getParamtersDesc());
}
private static StatInfo getServiceStat(String uri) {
StatInfo stat = serviceStat.get(uri);
if (stat == null) {
stat = new StatInfo();
serviceStat.putIfAbsent(uri, stat);
stat = serviceStat.get(uri);
}
return stat;
}
private static StatInfo getMethodStat(String uri, String methodName, String methodParaDesc) {
ConcurrentHashMap<String, StatInfo> sstats = methodStat.get(uri);
if (sstats == null) {
sstats = new ConcurrentHashMap<String, StatInfo>();
methodStat.putIfAbsent(uri, sstats);
sstats = methodStat.get(uri);
}
String methodNameAndParams = methodName + SEPERATOR_METHOD_AND_PARAM + methodParaDesc;
StatInfo mstat = sstats.get(methodNameAndParams);
if (mstat == null) {
mstat = new StatInfo();
sstats.putIfAbsent(methodNameAndParams, mstat);
mstat = sstats.get(methodNameAndParams);
}
return mstat;
}
private static void onBeforeCall(StatInfo statInfo) {
statInfo.activeCount.incrementAndGet();
}
private static void onAfterCall(StatInfo statInfo, boolean success, long procTimeMills) {
statInfo.activeCount.decrementAndGet();
if (!success) {
statInfo.failCount.incrementAndGet();
}
statInfo.totalCountTime.inc(1, procTimeMills);
statInfo.latestCountTime.inc(1, procTimeMills);
}
private static void startCleaner() {
}
private static void cleanLatestStat() {
if (serviceStat.size() == 0) {
return;
}
for (StatInfo si : serviceStat.values()) {
si.resetLatestStat();
}
}
public static class StatInfo {
private AtomicInteger activeCount = new AtomicInteger();
private AtomicLong failCount = new AtomicLong();
private CountTime totalCountTime = new CountTime();
private CountTime latestCountTime = new CountTime();
public int getActiveCount() {
return activeCount.get();
}
public long getFailCount() {
return failCount.get();
}
public CountTime getTotalCountTime() {
return totalCountTime;
}
public CountTime getLatestCountTime() {
return latestCountTime;
}
public void resetLatestStat() {
latestCountTime.reset();
}
}
public static class CountTime {
private AtomicLong count;
private AtomicLong timeMills;
public CountTime() {
count = new AtomicLong();
timeMills = new AtomicLong();
}
private void inc(int incCount, long incTimeMills) {
count.getAndAdd(incCount);
timeMills.getAndAdd(incTimeMills);
}
public long getCount() {
return count.get();
}
public void reset() {
count.set(0);
timeMills.set(0);
}
}
}