| /** |
| * 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 com.twitter.distributedlog.client.stats; |
| |
| import com.twitter.distributedlog.client.resolver.RegionResolver; |
| import com.twitter.distributedlog.thrift.service.StatusCode; |
| import com.twitter.finagle.stats.StatsReceiver; |
| |
| import java.net.SocketAddress; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| |
| /** |
| * Client Stats |
| */ |
| public class ClientStats { |
| |
| // Region Resolver |
| private final RegionResolver regionResolver; |
| |
| // Stats |
| private final StatsReceiver statsReceiver; |
| private final ClientStatsLogger clientStatsLogger; |
| private final boolean enableRegionStats; |
| private final ConcurrentMap<String, ClientStatsLogger> regionClientStatsLoggers; |
| private final ConcurrentMap<String, OpStats> opStatsMap; |
| |
| public ClientStats(StatsReceiver statsReceiver, |
| boolean enableRegionStats, |
| RegionResolver regionResolver) { |
| this.statsReceiver = statsReceiver; |
| this.clientStatsLogger = new ClientStatsLogger(statsReceiver); |
| this.enableRegionStats = enableRegionStats; |
| this.regionClientStatsLoggers = new ConcurrentHashMap<String, ClientStatsLogger>(); |
| this.regionResolver = regionResolver; |
| this.opStatsMap = new ConcurrentHashMap<String, OpStats>(); |
| } |
| |
| public OpStats getOpStats(String op) { |
| OpStats opStats = opStatsMap.get(op); |
| if (null != opStats) { |
| return opStats; |
| } |
| OpStats newStats = new OpStats(statsReceiver.scope(op), |
| enableRegionStats, regionResolver); |
| OpStats oldStats = opStatsMap.putIfAbsent(op, newStats); |
| if (null == oldStats) { |
| return newStats; |
| } else { |
| return oldStats; |
| } |
| } |
| |
| private ClientStatsLogger getRegionClientStatsLogger(SocketAddress address) { |
| String region = regionResolver.resolveRegion(address); |
| return getRegionClientStatsLogger(region); |
| } |
| |
| private ClientStatsLogger getRegionClientStatsLogger(String region) { |
| ClientStatsLogger statsLogger = regionClientStatsLoggers.get(region); |
| if (null == statsLogger) { |
| ClientStatsLogger newStatsLogger = new ClientStatsLogger(statsReceiver.scope(region)); |
| ClientStatsLogger oldStatsLogger = regionClientStatsLoggers.putIfAbsent(region, newStatsLogger); |
| if (null == oldStatsLogger) { |
| statsLogger = newStatsLogger; |
| } else { |
| statsLogger = oldStatsLogger; |
| } |
| } |
| return statsLogger; |
| } |
| |
| public StatsReceiver getFinagleStatsReceiver(SocketAddress addr) { |
| if (enableRegionStats && null != addr) { |
| return getRegionClientStatsLogger(addr).getStatsReceiver(); |
| } else { |
| return clientStatsLogger.getStatsReceiver(); |
| } |
| } |
| |
| public void completeProxyRequest(SocketAddress addr, StatusCode code, long startTimeNanos) { |
| clientStatsLogger.completeProxyRequest(code, startTimeNanos); |
| if (enableRegionStats && null != addr) { |
| getRegionClientStatsLogger(addr).completeProxyRequest(code, startTimeNanos); |
| } |
| } |
| |
| public void failProxyRequest(SocketAddress addr, Throwable cause, long startTimeNanos) { |
| clientStatsLogger.failProxyRequest(cause, startTimeNanos); |
| if (enableRegionStats && null != addr) { |
| getRegionClientStatsLogger(addr).failProxyRequest(cause, startTimeNanos); |
| } |
| } |
| } |