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com.alibaba.druid.stat.DruidStatManagerFacade Maven / Gradle / Ivy
/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* 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.alibaba.druid.stat;
import com.alibaba.druid.VERSION;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.sql.visitor.SQLEvalVisitorUtils;
import com.alibaba.druid.support.http.stat.WebAppStatManager;
import com.alibaba.druid.support.spring.stat.SpringStatManager;
import com.alibaba.druid.util.DruidDataSourceUtils;
import com.alibaba.druid.util.JdbcSqlStatUtils;
import com.alibaba.druid.util.StringUtils;
import com.alibaba.druid.util.Utils;
import java.sql.Driver;
import java.sql.DriverManager;
import java.util.*;
import java.util.concurrent.atomic.AtomicLong;
/**
* 监控相关的对外数据暴露
*
* 1. 为了支持jndi数据源本类内部调用druid相关对象均需要反射调用,返回值也应该是Object,List<Object>,Map<String,Object>等无关于druid的类型
* 2. 对外暴露的public方法都应该先调用init()，应该有更好的方式，暂时没想到
*
* @author sandzhang[[email protected] ]
*/
public final class DruidStatManagerFacade {
private static final DruidStatManagerFacade instance = new DruidStatManagerFacade();
private boolean resetEnable = true;
private final AtomicLong resetCount = new AtomicLong();
private DruidStatManagerFacade() {
}
public static DruidStatManagerFacade getInstance() {
return instance;
}
private Set getDruidDataSourceInstances() {
return DruidDataSourceStatManager.getInstances().keySet();
}
public Object getDruidDataSourceByName(String name) {
for (Object o : this.getDruidDataSourceInstances()) {
String itemName = DruidDataSourceUtils.getName(o);
if (StringUtils.equals(name, itemName)) {
return o;
}
}
return null;
}
public void resetDataSourceStat() {
DruidDataSourceStatManager.getInstance().reset();
}
public void resetSqlStat() {
JdbcStatManager.getInstance().reset();
}
public void resetAll() {
if (!isResetEnable()) {
return;
}
SpringStatManager.getInstance().resetStat();
WebAppStatManager.getInstance().resetStat();
resetSqlStat();
resetDataSourceStat();
resetCount.incrementAndGet();
}
public void logAndResetDataSource() {
if (!isResetEnable()) {
return;
}
DruidDataSourceStatManager.getInstance().logAndResetDataSource();
}
public boolean isResetEnable() {
return resetEnable;
}
public void setResetEnable(boolean resetEnable) {
this.resetEnable = resetEnable;
}
public Object getSqlStatById(Integer id) {
for (Object ds : getDruidDataSourceInstances()) {
Object sqlStat = DruidDataSourceUtils.getSqlStat(ds, id);
if (sqlStat != null) {
return sqlStat;
}
}
return null;
}
public Map getDataSourceStatData(Integer id) {
if (id == null) {
return null;
}
Object datasource = getDruidDataSourceById(id);
return datasource == null ? null : dataSourceToMapData(datasource, false);
}
public Object getDruidDataSourceById(Integer identity) {
if (identity == null) {
return null;
}
for (Object datasource : getDruidDataSourceInstances()) {
if (System.identityHashCode(datasource) == identity) {
return datasource;
}
}
return null;
}
public List> getSqlStatDataList(Integer dataSourceId) {
Set dataSources = getDruidDataSourceInstances();
if (dataSourceId == null) {
JdbcDataSourceStat globalStat = JdbcDataSourceStat.getGlobal();
List> sqlList = new ArrayList>();
DruidDataSource globalStatDataSource = null;
for (Object datasource : dataSources) {
if (datasource instanceof DruidDataSource) {
if (((DruidDataSource) datasource).getDataSourceStat() == globalStat) {
if (globalStatDataSource == null) {
globalStatDataSource = (DruidDataSource) datasource;
} else {
continue;
}
}
}
sqlList.addAll(getSqlStatDataList(datasource));
}
return sqlList;
}
for (Object datasource : dataSources) {
if (dataSourceId != null && dataSourceId.intValue() != System.identityHashCode(datasource)) {
continue;
}
return getSqlStatDataList(datasource);
}
return new ArrayList>();
}
@SuppressWarnings("unchecked")
public Map getWallStatMap(Integer dataSourceId) {
Set dataSources = getDruidDataSourceInstances();
if (dataSourceId == null) {
Map map = new HashMap();
for (Object datasource : dataSources) {
Map wallStat = DruidDataSourceUtils.getWallStatMap(datasource);
map = mergeWallStat(map, wallStat);
}
return map;
}
for (Object datasource : dataSources) {
if (dataSourceId != null && dataSourceId.intValue() != System.identityHashCode(datasource)) {
continue;
}
return DruidDataSourceUtils.getWallStatMap(datasource);
}
return new HashMap();
//
}
/**
* Merges two wall stat maps into a single map.
*
* @param mapA the first wall stat map to be merged
* @param mapB the second wall stat map to be merged
* @return a new map that contains the merged wall stats from mapA and mapB
* @deprecated
*/
public static Map mergWallStat(Map mapA, Map mapB) {
return mergeWallStat(mapA, mapB);
}
@SuppressWarnings({"rawtypes", "unchecked"})
public static Map mergeWallStat(Map mapA, Map mapB) {
if (mapA == null || mapA.size() == 0) {
return mapB;
}
if (mapB == null || mapB.size() == 0) {
return mapA;
}
Map newMap = new LinkedHashMap();
for (Object item : mapB.entrySet()) {
Map.Entry entry = (Map.Entry) item;
String key = (String) entry.getKey();
Object valueB = entry.getValue();
Object valueA = mapA.get(key);
if (valueA == null) {
newMap.put(key, valueB);
} else if (valueB == null) {
newMap.put(key, valueA);
} else if ("blackList".equals(key)) {
Map> newSet = new HashMap>();
Collection> collectionA = (Collection>) valueA;
for (Map blackItem : collectionA) {
if (newSet.size() >= 1000) {
break;
}
String sql = (String) blackItem.get("sql");
Map oldItem = newSet.get(sql);
newSet.put(sql, mergeWallStat(oldItem, blackItem));
}
Collection> collectionB = (Collection>) valueB;
for (Map blackItem : collectionB) {
if (newSet.size() >= 1000) {
break;
}
String sql = (String) blackItem.get("sql");
Map oldItem = newSet.get(sql);
newSet.put(sql, mergeWallStat(oldItem, blackItem));
}
newMap.put(key, newSet.values());
} else {
if (valueA instanceof Map && valueB instanceof Map) {
Object newValue = mergeWallStat((Map) valueA, (Map) valueB);
newMap.put(key, newValue);
} else if (valueA instanceof Set && valueB instanceof Set) {
Set set = new HashSet();
set.addAll((Set) valueA);
set.addAll((Set) valueB);
newMap.put(key, set);
} else if (valueA instanceof List && valueB instanceof List) {
List> mergedList = mergeNamedList((List) valueA, (List) valueB);
newMap.put(key, mergedList);
} else if (valueA instanceof long[] && valueB instanceof long[]) {
long[] arrayA = (long[]) valueA;
long[] arrayB = (long[]) valueB;
int len = arrayA.length >= arrayB.length ? arrayA.length : arrayB.length;
long[] sum = new long[len];
for (int i = 0; i < sum.length; ++i) {
if (i < arrayA.length) {
sum[i] += arrayA.length;
}
if (i < arrayB.length) {
sum[i] += arrayB.length;
}
}
newMap.put(key, sum);
} else if (valueA instanceof String && valueB instanceof String) {
newMap.put(key, valueA);
} else {
Object sum = SQLEvalVisitorUtils.add(valueA, valueB);
newMap.put(key, sum);
}
}
}
return newMap;
}
@SuppressWarnings({"rawtypes", "unchecked"})
private static List> mergeNamedList(List listA, List listB) {
Map> mapped = new HashMap>();
for (Object item : (List) listA) {
Map map = (Map) item;
String name = (String) map.get("name");
mapped.put(name, map);
}
List> mergedList = new ArrayList>();
for (Object item : (List) listB) {
Map mapB = (Map) item;
String name = (String) mapB.get("name");
Map mapA = mapped.get(name);
Map mergedMap = mergeWallStat(mapA, mapB);
mergedList.add(mergedMap);
}
return mergedList;
}
public List> getSqlStatDataList(Object datasource) {
List> result = new ArrayList>();
Map sqlStatMap = DruidDataSourceUtils.getSqlStatMap(datasource);
for (Object sqlStat : sqlStatMap.values()) {
Map data = JdbcSqlStatUtils.getData(sqlStat);
long executeCount = (Long) data.get("ExecuteCount");
long runningCount = (Long) data.get("RunningCount");
if (executeCount == 0 && runningCount == 0) {
continue;
}
result.add(data);
}
return result;
}
public Map getSqlStatData(Integer id) {
if (id == null) {
return null;
}
Object sqlStat = getSqlStatById(id);
if (sqlStat == null) {
return null;
}
return JdbcSqlStatUtils.getData(sqlStat);
}
public List> getDataSourceStatDataList() {
return getDataSourceStatDataList(false);
}
public List> getDataSourceStatDataList(boolean includeSqlList) {
List> datasourceList = new ArrayList>();
for (Object dataSource : getDruidDataSourceInstances()) {
datasourceList.add(dataSourceToMapData(dataSource, includeSqlList));
}
return datasourceList;
}
public List> getActiveConnStackTraceList() {
List> traceList = new ArrayList>();
for (Object dataSource : getDruidDataSourceInstances()) {
List stacks = ((DruidDataSource) dataSource).getActiveConnectionStackTrace();
if (stacks.size() > 0) {
traceList.add(stacks);
}
}
return traceList;
}
public Map returnJSONBasicStat() {
Map dataMap = new LinkedHashMap();
dataMap.put("Version", VERSION.getVersionNumber());
dataMap.put("Drivers", getDriversData());
dataMap.put("ResetEnable", isResetEnable());
dataMap.put("ResetCount", getResetCount());
dataMap.put("JavaVMName", System.getProperty("java.vm.name"));
dataMap.put("JavaVersion", System.getProperty("java.version"));
dataMap.put("JavaClassPath", System.getProperty("java.class.path"));
dataMap.put("StartTime", Utils.getStartTime());
return dataMap;
}
public long getResetCount() {
return resetCount.get();
}
private List getDriversData() {
List drivers = new ArrayList();
for (Enumeration e = DriverManager.getDrivers(); e.hasMoreElements(); ) {
Driver driver = e.nextElement();
drivers.add(driver.getClass().getName());
}
return drivers;
}
public List> getPoolingConnectionInfoByDataSourceId(Integer id) {
Object datasource = getDruidDataSourceById(id);
if (datasource == null) {
return null;
}
return DruidDataSourceUtils.getPoolingConnectionInfo(datasource);
}
public List getActiveConnectionStackTraceByDataSourceId(Integer id) {
Object datasource = getDruidDataSourceById(id);
if (datasource == null || !DruidDataSourceUtils.isRemoveAbandoned(datasource)) {
return null;
}
return DruidDataSourceUtils.getActiveConnectionStackTrace(datasource);
}
private Map dataSourceToMapData(Object dataSource, boolean includeSql) {
Map map = DruidDataSourceUtils.getStatData(dataSource);
if (includeSql) {
List> sqlList = getSqlStatDataList(dataSource);
map.put("SQL", sqlList);
}
return map;
}
}
