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com.alipay.sofa.tracer.plugins.datasource.utils.DataSourceUtils Maven / Gradle / Ivy
/*
* 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.alipay.sofa.tracer.plugins.datasource.utils;
import com.alipay.common.tracer.core.appender.self.SelfLog;
import com.alipay.common.tracer.core.utils.AssertUtils;
import com.alipay.common.tracer.core.utils.StringUtils;
import com.alipay.sofa.common.code.LogCode2Description;
import com.alipay.sofa.tracer.plugins.datasource.tracer.Endpoint;
import java.lang.reflect.Method;
import java.security.InvalidParameterException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import static com.alipay.common.tracer.core.constants.SofaTracerConstant.SPACE_ID;
/**
* @author shusong.yss
* @author qilong.zql
* @author chenchen
* @since 2.2.0
*/
public class DataSourceUtils {
public static final String DS_DRUID_CLASS = "com.alibaba.druid.pool.DruidDataSource";
public static final String DS_DBCP_CLASS = "org.apache.commons.dbcp.BasicDataSource";
public static final String DS_C3P0_CLASS = "com.mchange.v2.c3p0.ComboPooledDataSource";
public static final String DS_TOMCAT_CLASS = "org.apache.tomcat.jdbc.pool.DataSource";
public static final String DS_HIKARI_CLASS = "com.zaxxer.hikari.HikariDataSource";
public static final String METHOD_GET_URL = "getUrl";
public static final String METHOD_SET_URL = "setUrl";
public static final String METHOD_GET_JDBC_URL = "getJdbcUrl";
public static final String METHOD_SET_JDBC_URL = "setJdbcUrl";
public static final String ORACLE_PREFIX_THIN = "jdbc:oracle:thin:";
public static final String POSTGRE_PREFIX_THIN = "jdbc:postgresql://";
public static final int ORACLE_DEFAULT_PORT = 1521;
public static boolean isDruidDataSource(Object dataSource) {
return isTargetDataSource(DS_DRUID_CLASS, dataSource);
}
public static boolean isDruidDataSource(String clazzType) {
return !StringUtils.isBlank(clazzType) && DS_DRUID_CLASS.equals(clazzType);
}
public static boolean isDbcpDataSource(Object dataSource) {
return isTargetDataSource(DS_DBCP_CLASS, dataSource);
}
public static boolean isDbcpDataSource(String clazzType) {
return !StringUtils.isBlank(clazzType) && DS_DBCP_CLASS.equals(clazzType);
}
public static boolean isC3p0DataSource(Object dataSource) {
return isTargetDataSource(DS_C3P0_CLASS, dataSource);
}
public static boolean isC3p0DataSource(String clazzType) {
return !StringUtils.isBlank(clazzType) && DS_C3P0_CLASS.equals(clazzType);
}
public static boolean isTomcatDataSource(Object dataSource) {
return isTargetDataSource(DS_TOMCAT_CLASS, dataSource);
}
public static boolean isTomcatDataSource(String clazzType) {
return !StringUtils.isBlank(clazzType) && DS_TOMCAT_CLASS.equals(clazzType);
}
public static boolean isHikariDataSource(Object dataSource) {
return isTargetDataSource(DS_HIKARI_CLASS, dataSource);
}
public static boolean isHikariDataSource(String clazzType) {
return !StringUtils.isBlank(clazzType) && DS_HIKARI_CLASS.equals(clazzType);
}
public static String getJdbcUrl(Object dataSource) {
if (dataSource == null) {
throw new IllegalArgumentException("dataSource is null");
}
Method getUrlMethod;
try {
if (isDruidDataSource(dataSource) || isDbcpDataSource(dataSource)
|| isTomcatDataSource(dataSource)) {
getUrlMethod = dataSource.getClass().getMethod(METHOD_GET_URL);
} else if (isC3p0DataSource(dataSource) || isHikariDataSource(dataSource)) {
getUrlMethod = dataSource.getClass().getMethod(METHOD_GET_JDBC_URL);
} else {
throw new RuntimeException("cannot resolve dataSource type: " + dataSource);
}
return (String) getUrlMethod.invoke(dataSource);
} catch (Exception e) {
throw new RuntimeException("invoke method getUrl failed", e);
}
}
public static void setJdbcUrl(Object dataSource, String url) {
if (dataSource == null) {
throw new IllegalArgumentException("dataSource is null");
}
if (StringUtils.isBlank(url)) {
throw new IllegalArgumentException("url is null");
}
Method setUrlMethod;
try {
if (isDruidDataSource(dataSource) || isDbcpDataSource(dataSource)
|| isTomcatDataSource(dataSource)) {
setUrlMethod = dataSource.getClass().getMethod(METHOD_SET_URL, String.class);
} else if (isC3p0DataSource(dataSource) || isHikariDataSource(dataSource)) {
setUrlMethod = dataSource.getClass().getMethod(METHOD_SET_JDBC_URL, String.class);
} else {
throw new RuntimeException("cannot resolve dataSource type: " + dataSource);
}
setUrlMethod.invoke(dataSource, url);
} catch (Exception e) {
throw new RuntimeException("cannot getUrl", e);
}
}
public static String getTomcatJdbcUrlKey() {
return "url";
}
public static String getDbcpJdbcUrlKey() {
return "url";
}
public static String getDruidJdbcUrlKey() {
return "url";
}
public static String getC3p0JdbcUrlKey() {
return "jdbcUrl";
}
public static String getHikariJdbcUrlKey() {
return "jdbcUrl";
}
public static boolean isTargetDataSource(String className, Object dataSource) {
if (dataSource == null) {
return false;
}
Class clazz;
try {
clazz = Class.forName(className, true, DataSourceUtils.class.getClassLoader());
} catch (ClassNotFoundException e) {
return false;
}
return clazz.isAssignableFrom(dataSource.getClass());
}
public static List getEndpointsFromConnectionURL(final String connectionURL) {
String currentUri = StringUtils.EMPTY_STRING;
List endpoints = Collections.emptyList();
try {
//首先jdbc:oracle:thin: 特殊解析
if (StringUtils.isNotBlank(connectionURL)
&& connectionURL.startsWith(ORACLE_PREFIX_THIN)) {
currentUri = connectionURL.substring(ORACLE_PREFIX_THIN.length());
// parse endpoints by tns name.
endpoints = parseEndpointByTnsName(currentUri);
} else if (StringUtils.isNotBlank(connectionURL)
&& connectionURL.startsWith(POSTGRE_PREFIX_THIN)
&& connectionURL.contains(",")) {
//pg数据库 读写分离的配资
currentUri = connectionURL.substring(POSTGRE_PREFIX_THIN.length());
endpoints = parseEndpointByPgMulti(currentUri);
}
//普通解析 兜底
if (endpoints == null || endpoints.size() == 0 || null == endpoints.get(0)
|| StringUtils.isBlank(endpoints.get(0).getHost())) {
// easy tns or others db url be resolve. it's a single endpoint.
Endpoint singleEndpoint = getEndpointFromConnectionURL(connectionURL);
if (StringUtils.isBlank(singleEndpoint.getHost()) || 0 == singleEndpoint.getPort()) {
throw new IllegalArgumentException("check your connectionURL: " + connectionURL);
}
endpoints = Collections.singletonList(singleEndpoint);
}
} catch (Exception e) {
//链接配置样式多，捕获异常，不影响启动
SelfLog.error(LogCode2Description.convert(SPACE_ID, "01-00015"), e);
}
return endpoints;
}
private static List parseEndpointByPgMulti(String currentUri) {
List endpoints = new ArrayList<>();
String[] urls = currentUri.split(",");
for (String url : urls) {
int hostEnd = url.indexOf(":");
String host = url.substring(0, hostEnd);
int portEnd = url.indexOf('/');
if (portEnd == -1) {
portEnd = url.length();
}
Integer port = Integer.parseInt(url.substring(hostEnd + 1, portEnd));
Endpoint endpoint = new Endpoint();
endpoint.setHost(host);
endpoint.setPort(port);
endpoints.add(endpoint);
}
return endpoints;
}
private static List parseEndpointByTnsName(final String url) {
final String upperCaseUrl = url.toUpperCase();
int beginIndex = upperCaseUrl.indexOf("DESCRIPTION");
if (beginIndex == -1) {
return null;
}
//multiple virtual IPs point to the same database.
List endpoints = new ArrayList();
Endpoint currEndpoint = null;
do {
int hostStartIndex = upperCaseUrl.indexOf("HOST", beginIndex);
if (hostStartIndex == -1) {
break;
}
int equalStartIndex = upperCaseUrl.indexOf("=", hostStartIndex);
int hostEndIndex = upperCaseUrl.indexOf(")", hostStartIndex);
String host = url.substring(equalStartIndex + 1, hostEndIndex);
int port = ORACLE_DEFAULT_PORT;
int portStartIndex = upperCaseUrl.indexOf("PORT", hostEndIndex);
int portEndIndex = upperCaseUrl.length();
if (portStartIndex != -1) {
int portEqualStartIndex = upperCaseUrl.indexOf("=", portStartIndex);
portEndIndex = upperCaseUrl.indexOf(")", portEqualStartIndex);
port = Integer
.parseInt(url.substring(portEqualStartIndex + 1, portEndIndex).trim());
}
currEndpoint = new Endpoint();
currEndpoint.setHost(host.trim());
currEndpoint.setPort(port);
endpoints.add(currEndpoint);
beginIndex = portEndIndex;
} while (true);
return endpoints;
}
// TODO only support mysql, oracle, h2 and sqlServer for now
public static Endpoint getEndpointFromConnectionURL(final String connectionURL) {
Endpoint endpoint = new Endpoint();
String host = null;
int port = 0;
try {
if (connectionURL.contains("jdbc:oracle:thin:@//")) {
int start = "jdbc:oracle:thin:@//".length()
+ connectionURL.indexOf("jdbc:oracle:thin:@//");
int hostEnd = connectionURL.indexOf(':', start);
int portEnd = connectionURL.indexOf('/', hostEnd + 1);
host = connectionURL.substring(start, hostEnd);
if (portEnd > 0) {
port = Integer.parseInt(connectionURL.substring(hostEnd + 1, portEnd));
} else {
port = Integer.parseInt(connectionURL.substring(hostEnd + 1));
}
} else if (connectionURL.contains("jdbc:oracle:thin:@")) {
int start = "jdbc:oracle:thin:@".length()
+ connectionURL.indexOf("jdbc:oracle:thin:@");
int hostEnd = connectionURL.indexOf(':', start);
int portEnd = connectionURL.indexOf(':', hostEnd + 1);
host = connectionURL.substring(start, hostEnd);
if (portEnd > 0) {
port = Integer.parseInt(connectionURL.substring(hostEnd + 1, portEnd));
} else {
port = Integer.parseInt(connectionURL.substring(hostEnd + 1));
}
} else if (connectionURL.contains("jdbc:h2:")) {
host = connectionURL;
port = -1;
} else if (connectionURL.indexOf("://") > 0) {
int start = connectionURL.indexOf("://") + 3;
int hostEnd = connectionURL.indexOf(':', start);
int portEnd = connectionURL.indexOf('/', hostEnd + 1);
if (portEnd == -1) {
// SQL Server
portEnd = connectionURL.indexOf(';', hostEnd + 1);
}
host = connectionURL.substring(start, hostEnd);
if (portEnd > 0) {
port = Integer.parseInt(connectionURL.substring(hostEnd + 1, portEnd));
} else {
port = Integer.parseInt(connectionURL.substring(hostEnd + 1));
}
} else {
throw new IllegalArgumentException("only support mysql and oracle connectionURL");
}
} catch (Throwable t) {
throw new RuntimeException("connectionURL maybe invalid: " + connectionURL, t);
}
endpoint.setHost(host);
endpoint.setPort(port);
return endpoint;
}
public static String resolveDbTypeFromUrl(String url) {
AssertUtils.isTrue(!StringUtils.isBlank(url), "Jdbc url must not be empty!");
int start = url.indexOf("jdbc:") + "jdbc:".length();
if (start < "jdbc:".length()) {
throw new InvalidParameterException("jdbc url is invalid!");
}
int end = url.indexOf(":", start);
if (end < 0) {
throw new InvalidParameterException("jdbc url is invalid!");
}
String dbType = url.substring(start, end);
// SQL Server 2000
if ("microsoft".equals(dbType)) {
start = end + 1;
end = url.indexOf(":", start);
if (end < 0) {
throw new InvalidParameterException("jdbc url is invalid!");
}
return url.substring(start, end);
} else {
return dbType;
}
}
public static String resolveDatabaseFromUrl(String url) {
AssertUtils.isTrue(!StringUtils.isBlank(url), "Jdbc url must not be empty!");
if ("sqlserver".equals(resolveDbTypeFromUrl(url))) {
String[] segments = url.split(";");
for (String segment : segments) {
if (segment.toLowerCase().contains("databasename=")) {
int start = segment.toLowerCase().indexOf("databasename=")
+ "databasename=".length();
return segment.substring(start).trim();
}
}
throw new InvalidParameterException("jdbc url is invalid!");
}
int start = url.lastIndexOf("/");
if (start < 0) {
/**
* oracle sid format，{@see jdbc:oracle:thin:@host:port:SID}
*/
if ("oracle".equals(resolveDbTypeFromUrl(url))) {
start = url.lastIndexOf(":");
} else {
throw new InvalidParameterException("jdbc url is invalid!");
}
}
int end = url.indexOf("?", start);
if (end != -1) {
return url.substring(start + 1, end);
}
// tns service name.
final String upperCaseUrl = url.toUpperCase();
String oracleServiceName = upperCaseUrl.substring(start + 1);
if (StringUtils.isNotBlank(oracleServiceName) && oracleServiceName.contains("DESCRIPTION")) {
final int idxServiceName = upperCaseUrl.indexOf("SERVICE_NAME");
final int startService = upperCaseUrl.indexOf('=', idxServiceName) + 1;
final int endService = upperCaseUrl.indexOf(")", startService);
final String serviceName = url.substring(startService, endService);
if (StringUtils.isBlank(serviceName)) {
throw new IllegalArgumentException("Check your tns service name!");
}
return serviceName.trim();
}
//others.
return url.substring(start + 1);
}
}
