/*
* Copyright 1999-2017 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.mock;
import java.lang.management.ManagementFactory;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.DriverPropertyInfo;
import java.sql.NClob;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.sql.SQLXML;
import java.util.List;
import java.util.Properties;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicLong;
import java.util.logging.Logger;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import com.alibaba.druid.mock.handler.MockExecuteHandler;
import com.alibaba.druid.mock.handler.MySqlMockExecuteHandlerImpl;
import com.alibaba.druid.support.logging.Log;
import com.alibaba.druid.support.logging.LogFactory;
public class MockDriver implements Driver, MockDriverMBean {
private static Log LOG;
public final static MockExecuteHandler DEFAULT_HANDLER = new MySqlMockExecuteHandlerImpl();
private String prefix = "jdbc:fake:";
private String mockPrefix = "jdbc:mock:";
private MockExecuteHandler executeHandler = DEFAULT_HANDLER;
public final static MockDriver instance = new MockDriver();
private final AtomicLong connectCount = new AtomicLong();
private final AtomicLong connectionCloseCount = new AtomicLong();
private final AtomicLong connectionIdSeed = new AtomicLong(1000L);
private final List<MockConnection> connections = new CopyOnWriteArrayList<MockConnection>();
private long idleTimeCount = 1000 * 60 * 3;
private boolean logExecuteQueryEnable = true;
private final static String MBEAN_NAME = "com.alibaba.druid:type=MockDriver";
static {
registerDriver(instance);
}
public boolean isLogExecuteQueryEnable() {
return logExecuteQueryEnable;
}
private static Log getLog() {
if (LOG == null) {
LOG = LogFactory.getLog(MockDriver.class);
}
return LOG;
}
public void setLogExecuteQueryEnable(boolean logExecuteQueryEnable) {
this.logExecuteQueryEnable = logExecuteQueryEnable;
}
public long getIdleTimeCount() {
return idleTimeCount;
}
public void setIdleTimeCount(long idleTimeCount) {
this.idleTimeCount = idleTimeCount;
}
public long generateConnectionId() {
return connectionIdSeed.incrementAndGet();
}
public void closeAllConnections() throws SQLException {
for (int i = 0, size = this.connections.size(); i < size; ++i) {
Connection conn = this.connections.get(size - i - 1);
conn.close();
}
}
public int getConnectionsSize() {
return this.connections.size();
}
public List<MockConnection> getConnections() {
return connections;
}
protected void incrementConnectionCloseCount() {
connectionCloseCount.incrementAndGet();
}
public long getConnectionCloseCount() {
return connectionCloseCount.get();
}
protected void afterConnectionClose(MockConnection conn) {
connectionCloseCount.incrementAndGet();
connections.remove(conn);
if (getLog().isDebugEnabled()) {
getLog().debug("conn-" + conn.getId() + " close");
}
}
public static boolean registerDriver(Driver driver) {
try {
DriverManager.registerDriver(driver);
try {
MBeanServer mbeanServer = ManagementFactory.getPlatformMBeanServer();
ObjectName objectName = new ObjectName(MBEAN_NAME);
if (!mbeanServer.isRegistered(objectName)) {
mbeanServer.registerMBean(instance, objectName);
}
} catch (Exception ex) {
getLog().warn("register druid-driver mbean error", ex);
}
return true;
} catch (Exception e) {
getLog().error("registerDriver error", e);
}
return false;
}
public MockExecuteHandler getExecuteHandler() {
return executeHandler;
}
public void setExecuteHandler(MockExecuteHandler executeHandler) {
this.executeHandler = executeHandler;
}
@Override
public Connection connect(String url, Properties info) throws SQLException {
if (!acceptsURL(url)) {
return null;
}
if (info != null) {
Object val = info.get("connectSleep");
if (val != null) {
long millis = Long.parseLong(val.toString());
try {
Thread.sleep(millis);
} catch (InterruptedException e) {
// skip
}
}
}
MockConnection conn = createMockConnection(this, url, info);
if (getLog().isDebugEnabled()) {
getLog().debug("connect, url " + url + ", id " + conn.getId());
}
if (url == null) {
connectCount.incrementAndGet();
connections.add(conn);
return conn;
}
if (url.startsWith(prefix)) {
String catalog = url.substring(prefix.length());
conn.setCatalog(catalog);
connectCount.incrementAndGet();
connections.add(conn);
return conn;
}
if (url.startsWith(mockPrefix)) {
String catalog = url.substring(mockPrefix.length());
conn.setCatalog(catalog);
connectCount.incrementAndGet();
connections.add(conn);
return conn;
}
return null;
}
@Override
public boolean acceptsURL(String url) throws SQLException {
if (url == null) {
return false;
}
return url.startsWith(prefix) || url.startsWith(mockPrefix);
}
@Override
public DriverPropertyInfo[] getPropertyInfo(String url, Properties info) throws SQLException {
return null;
}
@Override
public int getMajorVersion() {
return 0;
}
@Override
public int getMinorVersion() {
return 0;
}
@Override
public boolean jdbcCompliant() {
return true;
}
public MockResultSet createMockResultSet(MockStatementBase stmt) {
return new MockResultSet(stmt);
}
public ResultSet executeQuery(MockStatementBase stmt, String sql) throws SQLException {
if (logExecuteQueryEnable && getLog().isDebugEnabled()) {
getLog().debug("executeQuery " + sql);
}
MockConnection conn = stmt.getConnection();
long idleTimeMillis = System.currentTimeMillis() - conn.getLastActiveTimeMillis();
if (idleTimeMillis >= this.idleTimeCount) {
throw new SQLException("connection is idle time count");
}
conn.setLastActiveTimeMillis(System.currentTimeMillis());
handleSleep(conn);
if ("SELECT value FROM _int_1000_".equalsIgnoreCase(sql)) {
MockResultSet rs = createMockResultSet(stmt);
for (int i = 0; i < 1000; ++i) {
rs.getRows().add(new Object[] { i });
}
return rs;
}
return this.executeHandler.executeQuery(stmt, sql);
}
public void handleSleep(MockConnection conn) {
if (conn != null) {
conn.handleSleep();
}
}
public ResultSet createResultSet(MockPreparedStatement stmt) {
MockResultSet rs = new MockResultSet(stmt);
String sql = stmt.getSql();
if ("SELECT 1".equalsIgnoreCase(sql)) {
rs.getRows().add(new Object[] { 1 });
} else if ("SELECT NOW()".equalsIgnoreCase(sql)) {
rs.getRows().add(new Object[] { new java.sql.Timestamp(System.currentTimeMillis()) });
} else if ("SELECT ?".equalsIgnoreCase(sql)) {
rs.getRows().add(new Object[] { stmt.getParameters().get(0) });
}
return rs;
}
protected Clob createClob(MockConnection conn) throws SQLException {
return new MockClob();
}
protected Blob createBlob(MockConnection conn) throws SQLException {
return new MockBlob();
}
protected NClob createNClob(MockConnection conn) throws SQLException {
return new MockNClob();
}
protected SQLXML createSQLXML(MockConnection conn) throws SQLException {
return new MockSQLXML();
}
public Logger getParentLogger() throws SQLFeatureNotSupportedException {
throw new SQLFeatureNotSupportedException();
}
public MockConnection createMockConnection(MockDriver driver, String url, Properties connectProperties) {
return new MockConnection(this, url, connectProperties);
}
public MockPreparedStatement createMockPreparedStatement(MockConnection conn, String sql) {
return new MockPreparedStatement(conn, sql);
}
public MockStatement createMockStatement(MockConnection conn) {
return new MockStatement(conn);
}
public MockCallableStatement createMockCallableStatement(MockConnection conn, String sql) {
return new MockCallableStatement(conn, sql);
}
}