org.apache.openejb.server.ejbd.EjbDaemon 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 org.apache.openejb.server.ejbd;
import org.apache.openejb.BeanContext;
import org.apache.openejb.OpenEJBRuntimeException;
import org.apache.openejb.ProxyInfo;
import org.apache.openejb.client.ClusterResponse;
import org.apache.openejb.client.EJBRequest;
import org.apache.openejb.client.EjbObjectInputStream;
import org.apache.openejb.client.FlushableGZIPOutputStream;
import org.apache.openejb.client.ProtocolMetaData;
import org.apache.openejb.client.RequestType;
import org.apache.openejb.client.Response;
import org.apache.openejb.client.ServerMetaData;
import org.apache.openejb.client.serializer.EJBDSerializer;
import org.apache.openejb.loader.SystemInstance;
import org.apache.openejb.server.DiscoveryAgent;
import org.apache.openejb.server.context.RequestInfos;
import org.apache.openejb.server.stream.CountingInputStream;
import org.apache.openejb.server.stream.CountingOutputStream;
import org.apache.openejb.spi.ContainerSystem;
import org.apache.openejb.util.Exceptions;
import org.apache.openejb.util.LogCategory;
import org.apache.openejb.util.Logger;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.Serializable;
import java.net.Socket;
import java.rmi.RemoteException;
import java.util.Properties;
import java.util.zip.GZIPInputStream;
public class EjbDaemon implements org.apache.openejb.spi.ApplicationServer {
static final Logger logger = Logger.getInstance(LogCategory.OPENEJB_SERVER_REMOTE, "org.apache.openejb.server.util.resources");
private ClientObjectFactory clientObjectFactory;
// DeploymentIndex deploymentIndex;
private RequestHandler ejbHandler;
private RequestHandler jndiHandler;
private RequestHandler authHandler;
private ClusterRequestHandler clusterHandler;
private ContainerSystem containerSystem;
private boolean gzip;
private EJBDSerializer serializer = null;
//Four hours
private int timeout = 14400000;
public void init(final Properties props) throws Exception {
containerSystem = SystemInstance.get().getComponent(ContainerSystem.class);
// deploymentIndex = new DeploymentIndex(containerSystem.deployments());
clientObjectFactory = new ClientObjectFactory(this, props);
ejbHandler = new EjbRequestHandler(this);
jndiHandler = new JndiRequestHandler(this);
authHandler = new AuthRequestHandler(this);
clusterHandler = new ClusterRequestHandler(this);
gzip = "true".equalsIgnoreCase(props.getProperty("gzip", "false"));
try {
this.timeout = Integer.parseInt(props.getProperty("timeout", "14400000"));
} catch (final Exception e) {
//Ignore
}
final String serializer = props.getProperty("serializer", null);
if (serializer != null) {
try {
this.serializer = EJBDSerializer.class.cast(Thread.currentThread().getContextClassLoader().loadClass(serializer).newInstance());
} catch (final ClassNotFoundException cnfe) { // let's try later with app classloader
this.serializer = new ContextualSerializer(serializer);
} catch (final NoClassDefFoundError cnfe) { // let's try later with app classloader
this.serializer = new ContextualSerializer(serializer);
}
}
final DiscoveryAgent discovery = SystemInstance.get().getComponent(DiscoveryAgent.class);
if (discovery != null) {
discovery.setDiscoveryListener(clusterHandler);
}
}
public void service(final Socket socket) throws IOException {
InputStream in = null;
OutputStream out = null;
try {
if (socket.isClosed()) {
return;
}
socket.setSoTimeout(this.timeout);
if (gzip) {
in = new GZIPInputStream(new BufferedInputStream(socket.getInputStream()));
out = new BufferedOutputStream(new FlushableGZIPOutputStream(socket.getOutputStream()));
} else {
in = new BufferedInputStream(socket.getInputStream());
out = new BufferedOutputStream(socket.getOutputStream());
}
RequestInfos.initRequestInfo(socket);
service(in, out);
} finally {
if (null != out) {
try {
out.flush();
} catch (final Throwable e) {
//Ignore
}
try {
out.close();
} catch (final Throwable e) {
//Ignore
}
}
if (null != in) {
try {
in.close();
} catch (final Throwable e) {
//Ignore
}
}
if (null != socket) {
try {
socket.close();
} catch (final Throwable t) {
//Ignore
}
}
RequestInfos.clearRequestInfo();
}
}
public void service(final InputStream rawIn, final OutputStream rawOut) throws IOException {
final ProtocolMetaData clientProtocol = new ProtocolMetaData();
ObjectInputStream ois = null;
ObjectOutputStream oos = null;
RequestType requestType = null;
byte requestTypeByte = RequestType.NOP_REQUEST.getCode();
try {
final RequestInfos.RequestInfo info = RequestInfos.info();
info.setInputStream(new CountingInputStream(rawIn));
// Read client Protocol Version
final CountingInputStream cis = info.getInputStream();
clientProtocol.readExternal(cis);
ois = new EjbObjectInputStream(cis);
// Read ServerMetaData
final ServerMetaData serverMetaData = new ServerMetaData();
serverMetaData.readExternal(ois);
ClientObjectFactory.serverMetaData.set(serverMetaData);
// Read request type
requestTypeByte = ois.readByte();
requestType = RequestType.valueOf(requestTypeByte);
if (requestType == RequestType.NOP_REQUEST) {
return;
}
ClusterResponse clusterResponse = null;
if (requestType == RequestType.CLUSTER_REQUEST) {
clusterResponse = clusterHandler.processRequest(ois, clientProtocol);
//Check for immediate failure
final Throwable failure = clusterResponse.getFailure();
if (null != clusterResponse && null != failure) {
clusterHandler.getLogger().debug("Failed to write to ClusterResponse", failure);
try {
info.setOutputStream(new CountingOutputStream(rawOut));
oos = new ObjectOutputStream(info.getOutputStream());
clusterResponse.setMetaData(clientProtocol);
clusterResponse.writeExternal(oos);
oos.flush();
} catch (final IOException ie) {
final String m = "Failed to write to ClusterResponse: " + ie.getMessage();
clusterHandler.getLogger().error(m, ie);
throw Exceptions.newIOException(m, ie);
}
throw failure;
}
}
requestTypeByte = ois.readByte();
requestType = RequestType.valueOf(requestTypeByte);
if (requestType == RequestType.NOP_REQUEST) {
return;
}
// Exceptions should not be thrown from these methods
// They should handle their own exceptions and clean
// things up with the client accordingly.
final Response response;
switch (requestType) {
case EJB_REQUEST:
response = processEjbRequest(ois, clientProtocol);
break;
case JNDI_REQUEST:
response = processJndiRequest(ois, clientProtocol);
break;
case AUTH_REQUEST:
response = processAuthRequest(ois, clientProtocol);
break;
default:
logger.error("\"" + requestType + " " + clientProtocol.getSpec() + "\" FAIL \"Unknown request type " + requestType);
return;
}
try {
info.setOutputStream(new CountingOutputStream(rawOut));
final CountingOutputStream cos = info.getOutputStream();
//Let client know we are using the requested protocol to respond
clientProtocol.writeExternal(cos);
cos.flush();
oos = new ObjectOutputStream(cos);
clusterHandler.processResponse(clusterResponse, oos, clientProtocol);
oos.flush();
} finally {
switch (requestType) {
case EJB_REQUEST:
processEjbResponse(response, oos, clientProtocol);
break;
case JNDI_REQUEST:
processJndiResponse(response, oos, clientProtocol);
break;
case AUTH_REQUEST:
processAuthResponse(response, oos, clientProtocol);
break;
default:
//Should never get here...
logger.error("\"" + requestType + " " + clientProtocol.getSpec() + "\" FAIL \"Unknown response type " + requestType);
}
}
} catch (final IllegalArgumentException iae) {
final String msg = "\"" + clientProtocol.getSpec() + "\" FAIL \"Unknown request type " + requestTypeByte;
if (logger.isDebugEnabled()) {
logger.debug(msg, iae);
} else {
logger.warning(msg + " - Debug for StackTrace");
}
} catch (final SecurityException e) {
final String msg = "\"" + requestType + " " + clientProtocol.getSpec() + "\" FAIL \"Security error - " + e.getMessage() + "\"";
if (logger.isDebugEnabled()) {
logger.debug(msg, e);
} else {
logger.warning(msg + " - Debug for StackTrace");
}
} catch (final Throwable e) {
final String msg = "\"" + requestType + " " + clientProtocol.getSpec() + "\" FAIL \"Unexpected error - " + e.getMessage() + "\"";
if (logger.isDebugEnabled()) {
logger.debug(msg, e);
} else {
logger.warning(msg + " - Debug for StackTrace");
}
} finally {
try {
ClientObjectFactory.serverMetaData.remove();
} finally {
if (null != oos) {
try {
oos.flush();
} catch (final Throwable e) {
//Ignore
}
try {
oos.close();
} catch (final Throwable e) {
//Ignore
}
}
if (null != ois) {
try {
ois.close();
} catch (final Throwable e) {
//Ignore
}
}
}
}
}
protected BeanContext getDeployment(final EJBRequest req) throws RemoteException {
final String deploymentId = req.getDeploymentId();
final BeanContext beanContext = containerSystem.getBeanContext(deploymentId);
if (beanContext == null) {
throw new RemoteException("No deployment: " + deploymentId);
}
return beanContext;
}
public Response processEjbRequest(final ObjectInputStream in, final ProtocolMetaData metaData) throws Exception {
return ejbHandler.processRequest(in, metaData);
}
public Response processJndiRequest(final ObjectInputStream in, final ProtocolMetaData metaData) throws Exception {
return jndiHandler.processRequest(in, metaData);
}
public Response processAuthRequest(final ObjectInputStream in, final ProtocolMetaData metaData) throws Exception {
return authHandler.processRequest(in, metaData);
}
public void processEjbResponse(final Response response, final ObjectOutputStream out, final ProtocolMetaData metaData) throws Exception {
ejbHandler.processResponse(response, out, metaData);
}
public void processJndiResponse(final Response response, final ObjectOutputStream out, final ProtocolMetaData metaData) throws Exception {
jndiHandler.processResponse(response, out, metaData);
}
public void processAuthResponse(final Response response, final ObjectOutputStream out, final ProtocolMetaData metaData) throws Exception {
authHandler.processResponse(response, out, metaData);
}
@Override
public javax.ejb.EJBMetaData getEJBMetaData(final ProxyInfo info) {
return clientObjectFactory.getEJBMetaData(info);
}
@Override
public javax.ejb.Handle getHandle(final ProxyInfo info) {
return clientObjectFactory.getHandle(info);
}
@Override
public javax.ejb.HomeHandle getHomeHandle(final ProxyInfo info) {
return clientObjectFactory.getHomeHandle(info);
}
@Override
public javax.ejb.EJBObject getEJBObject(final ProxyInfo info) {
return clientObjectFactory.getEJBObject(info);
}
@Override
public Object getBusinessObject(final ProxyInfo info) {
return clientObjectFactory.getBusinessObject(info);
}
@Override
public javax.ejb.EJBHome getEJBHome(final ProxyInfo info) {
return clientObjectFactory.getEJBHome(info);
}
public boolean isGzip() {
return gzip;
}
public EJBDSerializer getSerializer() {
return serializer;
}
private static class ContextualSerializer implements EJBDSerializer {
private final String classname;
public ContextualSerializer(final String serializer) {
this.classname = serializer;
}
@Override
public Serializable serialize(final Object o) {
return instance().serialize(o);
}
@Override
public Object deserialize(final Serializable o, final Class clazz) {
return instance().deserialize(o, clazz);
}
private EJBDSerializer instance() {
try {
return EJBDSerializer.class.cast(Thread.currentThread().getContextClassLoader().loadClass(classname).newInstance());
} catch (final Exception e) {
throw new OpenEJBRuntimeException(e);
}
}
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy