/*
* Copyright 1999-2011 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 java.lang.management.ManagementFactory;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Collections;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.management.JMException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
import com.alibaba.druid.support.http.stat.WebAppStatManager;
import com.alibaba.druid.support.json.JSONUtils;
import com.alibaba.druid.support.logging.Log;
import com.alibaba.druid.support.logging.LogFactory;
import com.alibaba.druid.support.spring.stat.SpringStatManager;
import com.alibaba.druid.util.MapComparator;
import com.alibaba.druid.util.StringUtils;
/**
* 注意：避免直接调用Druid相关对象例如DruidDataSource等，相关调用要到DruidStatManagerFacade里用反射实现
*
* @author sandzhang<sandzhangtoo@gmail.com>
*/
public final class DruidStatService implements DruidStatServiceMBean {
private final static Log LOG = LogFactory.getLog(DruidStatService.class);
public final static String MBEAN_NAME = "com.alibaba.druid:type=DruidStatService";
private final static DruidStatService instance = new DruidStatService();
private static DruidStatManagerFacade statManagerFacade = DruidStatManagerFacade.getInstance();
public final static int RESULT_CODE_SUCCESS = 1;
public final static int RESULT_CODE_ERROR = -1;
private final static int DEFAULT_PAGE = 1;
private final static int DEFAULT_PER_PAGE_COUNT = Integer.MAX_VALUE;
private static final String DEFAULT_ORDER_TYPE = "asc";
private static final String DEFAULT_ORDERBY = "SQL";
private DruidStatService(){
}
public static DruidStatService getInstance() {
return instance;
}
public boolean isResetEnable() {
return statManagerFacade.isResetEnable();
}
public void setResetEnable(boolean value) {
statManagerFacade.setResetEnable(value);
}
public String service(String url) {
Map<String, String> parameters = getParameters(url);
if (url.equals("/basic.json")) {
return returnJSONResult(RESULT_CODE_SUCCESS, statManagerFacade.returnJSONBasicStat());
}
if (url.equals("/reset-all.json")) {
statManagerFacade.resetAll();
return returnJSONResult(RESULT_CODE_SUCCESS, null);
}
if (url.equals("/datasource.json")) {
return returnJSONResult(RESULT_CODE_SUCCESS, statManagerFacade.getDataSourceStatDataList());
}
if (url.equals("/activeConnectionStackTrace.json")) {
return returnJSONResult(RESULT_CODE_SUCCESS, statManagerFacade.getActiveConnStackTraceList());
}
if (url.startsWith("/datasource-")) {
Integer id = StringUtils.subStringToInteger(url, "datasource-", ".");
Object result = statManagerFacade.getDataSourceStatData(id);
return returnJSONResult(result == null ? RESULT_CODE_ERROR : RESULT_CODE_SUCCESS, result);
}
if (url.startsWith("/connectionInfo-") && url.endsWith(".json")) {
Integer id = StringUtils.subStringToInteger(url, "connectionInfo-", ".");
List<?> connectionInfoList = statManagerFacade.getPoolingConnectionInfoByDataSourceId(id);
return returnJSONResult(connectionInfoList == null ? RESULT_CODE_ERROR : RESULT_CODE_SUCCESS,
connectionInfoList);
}
if (url.startsWith("/activeConnectionStackTrace-") && url.endsWith(".json")) {
Integer id = StringUtils.subStringToInteger(url, "activeConnectionStackTrace-", ".");
return returnJSONActiveConnectionStackTrace(id);
}
if (url.startsWith("/sql.json")) {
return returnJSONResult(RESULT_CODE_SUCCESS, getSqlStatDataList(parameters));
}
if (url.startsWith("/wall.json")) {
return returnJSONResult(RESULT_CODE_SUCCESS, getWallStatMap(parameters));
}
if (url.startsWith("/wall-") && url.indexOf(".json") > 0) {
Integer dataSourceId = StringUtils.subStringToInteger(url, "wall-", ".json");
Object result = statManagerFacade.getWallStatMap(dataSourceId);
return returnJSONResult(result == null ? RESULT_CODE_ERROR : RESULT_CODE_SUCCESS, result);
}
if (url.startsWith("/sql-") && url.indexOf(".json") > 0) {
Integer id = StringUtils.subStringToInteger(url, "sql-", ".json");
return getSqlStat(id);
}
if (url.startsWith("/weburi.json")) {
return returnJSONResult(RESULT_CODE_SUCCESS, getWebURIStatDataList(parameters));
}
if (url.startsWith("/weburi-") && url.indexOf(".json") > 0) {
String uri = StringUtils.subString(url, "weburi-", ".json");
return returnJSONResult(RESULT_CODE_SUCCESS, getWebURIStatData(uri));
}
if (url.startsWith("/webapp.json")) {
return returnJSONResult(RESULT_CODE_SUCCESS, getWebAppStatDataList(parameters));
}
if (url.startsWith("/websession.json")) {
return returnJSONResult(RESULT_CODE_SUCCESS, getWebSessionStatDataList(parameters));
}
if (url.startsWith("/websession-") && url.indexOf(".json") > 0) {
String id = StringUtils.subString(url, "websession-", ".json");
return returnJSONResult(RESULT_CODE_SUCCESS, getWebSessionStatData(id));
}
if (url.startsWith("/spring.json")) {
return returnJSONResult(RESULT_CODE_SUCCESS, getSpringStatDataList(parameters));
}
if (url.startsWith("/spring-detail.json")) {
String clazz = parameters.get("class");
String method = parameters.get("method");
return returnJSONResult(RESULT_CODE_SUCCESS, getSpringMethodStatData(clazz, method));
}
return returnJSONResult(RESULT_CODE_ERROR, "Do not support this request, please contact with administrator.");
}
private List<Map<String, Object>> getSpringStatDataList(Map<String, String> parameters) {
List<Map<String, Object>> array = SpringStatManager.getInstance().getMethodStatData();
return comparatorOrderBy(array, parameters);
}
private List<Map<String, Object>> getWebURIStatDataList(Map<String, String> parameters) {
List<Map<String, Object>> array = WebAppStatManager.getInstance().getURIStatData();
return comparatorOrderBy(array, parameters);
}
private Map<String, Object> getWebURIStatData(String uri) {
return WebAppStatManager.getInstance().getURIStatData(uri);
}
private Map<String, Object> getWebSessionStatData(String sessionId) {
return WebAppStatManager.getInstance().getSessionStat(sessionId);
}
private Map<String, Object> getSpringMethodStatData(String clazz, String method) {
return SpringStatManager.getInstance().getMethodStatData(clazz, method);
}
private List<Map<String, Object>> getWebSessionStatDataList(Map<String, String> parameters) {
List<Map<String, Object>> array = WebAppStatManager.getInstance().getSessionStatData();
return comparatorOrderBy(array, parameters);
}
private List<Map<String, Object>> getWebAppStatDataList(Map<String, String> parameters) {
List<Map<String, Object>> array = WebAppStatManager.getInstance().getWebAppStatData();
return comparatorOrderBy(array, parameters);
}
private List<Map<String, Object>> comparatorOrderBy(List<Map<String, Object>> array, Map<String, String> parameters) {
// when open the stat page before executing some sql
if (array == null || array.isEmpty()) {
return null;
}
// when parameters is null
String orderBy, orderType = null;
Integer page = DEFAULT_PAGE;
Integer perPageCount = DEFAULT_PER_PAGE_COUNT;
if (parameters == null) {
orderBy = DEFAULT_ORDER_TYPE;
orderType = DEFAULT_ORDER_TYPE;
page = DEFAULT_PAGE;
perPageCount = DEFAULT_PER_PAGE_COUNT;
} else {
orderBy = parameters.get("orderBy");
orderType = parameters.get("orderType");
String pageParam = parameters.get("page");
if (pageParam != null && pageParam.length() != 0) {
page = Integer.parseInt(pageParam);
}
String pageCountParam = parameters.get("perPageCount");
if (pageCountParam != null && pageCountParam.length() > 0) {
perPageCount = Integer.parseInt(pageCountParam);
}
}
// others,such as order
orderBy = orderBy == null ? DEFAULT_ORDERBY : orderBy;
orderType = orderType == null ? DEFAULT_ORDER_TYPE : orderType;
if (!"desc".equals(orderType)) {
orderType = DEFAULT_ORDER_TYPE;
}
// orderby the statData array
if (orderBy != null && orderBy.trim().length() != 0) {
Collections.sort(array, new MapComparator<String, Object>(orderBy, DEFAULT_ORDER_TYPE.equals(orderType)));
}
// page
int fromIndex = (page - 1) * perPageCount;
int toIndex = page * perPageCount;
if (toIndex > array.size()) {
toIndex = array.size();
}
return array.subList(fromIndex, toIndex);
}
private List<Map<String, Object>> getSqlStatDataList(Map<String, String> parameters) {
Integer dataSourceId = null;
String dataSourceIdParam = parameters.get("dataSourceId");
if (dataSourceIdParam != null && dataSourceIdParam.length() > 0) {
dataSourceId = Integer.parseInt(dataSourceIdParam);
}
List<Map<String, Object>> array = statManagerFacade.getSqlStatDataList(dataSourceId);
List<Map<String, Object>> sortedArray = comparatorOrderBy(array, parameters);
return sortedArray;
}
@SuppressWarnings("unchecked")
public Map<String, Object> getWallStatMap(Map<String, String> parameters) {
Integer dataSourceId = null;
String dataSourceIdParam = parameters.get("dataSourceId");
if (dataSourceIdParam != null && dataSourceIdParam.length() > 0) {
dataSourceId = Integer.parseInt(dataSourceIdParam);
}
Map<String, Object> result = statManagerFacade.getWallStatMap(dataSourceId);
if (result != null) {
List<Map<String, Object>> tables = (List<Map<String, Object>>) result.get("tables");
if (tables != null) {
List<Map<String, Object>> sortedArray = comparatorOrderBy(tables, parameters);
result.put("tables", sortedArray);
sortedArray = comparatorOrderBy((List<Map<String, Object>>) result.get("functions"), parameters);
result.put("functions", sortedArray);
}
} else {
result = Collections.emptyMap();
}
return result;
}
private String getSqlStat(Integer id) {
Map<String, Object> map = statManagerFacade.getSqlStatData(id);
if (map == null) {
return returnJSONResult(RESULT_CODE_ERROR, null);
}
String dbType = (String) map.get("DbType");
String sql = (String) map.get("SQL");
map.put("formattedSql", SQLUtils.format(sql, dbType));
List<SQLStatement> statementList = SQLUtils.parseStatements(sql, dbType);
if (!statementList.isEmpty()) {
SQLStatement statemen = statementList.get(0);
SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(statementList, dbType);
statemen.accept(visitor);
map.put("parsedTable", visitor.getTables().toString());
map.put("parsedFields", visitor.getColumns().toString());
map.put("parsedConditions", visitor.getConditions().toString());
map.put("parsedRelationships", visitor.getRelationships().toString());
map.put("parsedOrderbycolumns", visitor.getOrderByColumns().toString());
}
DateFormat format = new SimpleDateFormat("yyyy/MM/dd hh:mm:ss:SSS");
Date maxTimespanOccurTime = (Date) map.get("MaxTimespanOccurTime");
if (maxTimespanOccurTime != null) {
map.put("MaxTimespanOccurTime", format.format(maxTimespanOccurTime));
}
return returnJSONResult(map == null ? RESULT_CODE_ERROR : RESULT_CODE_SUCCESS, map);
}
private String returnJSONActiveConnectionStackTrace(Integer id) {
List<String> result = statManagerFacade.getActiveConnectionStackTraceByDataSourceId(id);
if (result == null) {
return returnJSONResult(RESULT_CODE_ERROR, "require set removeAbandoned=true");
}
return returnJSONResult(RESULT_CODE_SUCCESS, result);
}
public static String returnJSONResult(int resultCode, Object content) {
Map<String, Object> dataMap = new LinkedHashMap<String, Object>();
dataMap.put("ResultCode", resultCode);
dataMap.put("Content", content);
return JSONUtils.toJSONString(dataMap);
}
public static void registerMBean() {
MBeanServer mbeanServer = ManagementFactory.getPlatformMBeanServer();
try {
ObjectName objectName = new ObjectName(MBEAN_NAME);
if (!mbeanServer.isRegistered(objectName)) {
mbeanServer.registerMBean(instance, objectName);
}
} catch (JMException ex) {
LOG.error("register mbean error", ex);
}
}
public static void unregisterMBean() {
MBeanServer mbeanServer = ManagementFactory.getPlatformMBeanServer();
try {
mbeanServer.unregisterMBean(new ObjectName(MBEAN_NAME));
} catch (JMException ex) {
LOG.error("unregister mbean error", ex);
}
}
public static Map<String, String> getParameters(String url) {
if (url == null || (url = url.trim()).length() == 0) {
return Collections.<String, String> emptyMap();
}
String parametersStr = StringUtils.subString(url, "?", null);
if (parametersStr == null || parametersStr.length() == 0) {
return Collections.<String, String> emptyMap();
}
String[] parametersArray = parametersStr.split("&");
Map<String, String> parameters = new LinkedHashMap<String, String>();
for (String parameterStr : parametersArray) {
int index = parameterStr.indexOf("=");
if (index <= 0) {
continue;
}
String name = parameterStr.substring(0, index);
String value = parameterStr.substring(index + 1);
parameters.put(name, value);
}
return parameters;
}
}