| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.distributedlog.client.stats; |
| |
| import org.apache.distributedlog.client.resolver.RegionResolver; |
| import com.twitter.finagle.stats.StatsReceiver; |
| import java.net.SocketAddress; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| |
| /** |
| * Op Stats. |
| */ |
| public class OpStats { |
| |
| // Region Resolver |
| private final RegionResolver regionResolver; |
| |
| // Stats |
| private final StatsReceiver statsReceiver; |
| private final OpStatsLogger opStatsLogger; |
| private final boolean enableRegionStats; |
| private final ConcurrentMap<String, OpStatsLogger> regionOpStatsLoggers; |
| |
| public OpStats(StatsReceiver statsReceiver, |
| boolean enableRegionStats, |
| RegionResolver regionResolver) { |
| this.statsReceiver = statsReceiver; |
| this.opStatsLogger = new OpStatsLogger(statsReceiver); |
| this.enableRegionStats = enableRegionStats; |
| this.regionOpStatsLoggers = new ConcurrentHashMap<String, OpStatsLogger>(); |
| this.regionResolver = regionResolver; |
| } |
| |
| private OpStatsLogger getRegionOpStatsLogger(SocketAddress address) { |
| String region = regionResolver.resolveRegion(address); |
| return getRegionOpStatsLogger(region); |
| } |
| |
| private OpStatsLogger getRegionOpStatsLogger(String region) { |
| OpStatsLogger statsLogger = regionOpStatsLoggers.get(region); |
| if (null == statsLogger) { |
| OpStatsLogger newStatsLogger = new OpStatsLogger(statsReceiver.scope(region)); |
| OpStatsLogger oldStatsLogger = regionOpStatsLoggers.putIfAbsent(region, newStatsLogger); |
| if (null == oldStatsLogger) { |
| statsLogger = newStatsLogger; |
| } else { |
| statsLogger = oldStatsLogger; |
| } |
| } |
| return statsLogger; |
| } |
| |
| public void completeRequest(SocketAddress addr, long micros, int numTries) { |
| opStatsLogger.completeRequest(micros, numTries); |
| if (enableRegionStats && null != addr) { |
| getRegionOpStatsLogger(addr).completeRequest(micros, numTries); |
| } |
| } |
| |
| public void failRequest(SocketAddress addr, long micros, int numTries) { |
| opStatsLogger.failRequest(micros, numTries); |
| if (enableRegionStats && null != addr) { |
| getRegionOpStatsLogger(addr).failRequest(micros, numTries); |
| } |
| } |
| } |