diff options
Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/java/rmi/server')
20 files changed, 4264 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/ActivatableRef.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/ActivatableRef.java new file mode 100644 index 000000000..e7580bcd7 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/ActivatableRef.java @@ -0,0 +1,179 @@ +/* ActivatableRef.java -- Activatable server reference + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import java.io.IOException; +import java.io.ObjectInput; +import java.io.ObjectOutput; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; +import java.rmi.Remote; +import java.rmi.RemoteException; +import java.rmi.activation.ActivationException; +import java.rmi.activation.ActivationID; +import java.rmi.server.ObjID; +import java.rmi.server.RMIClientSocketFactory; +import java.rmi.server.RemoteObject; +import java.rmi.server.RemoteObjectInvocationHandler; +import java.rmi.server.RemoteRef; + +/** + * The activatable reference works like UnicastRef, but if the remote object + * appears to be not accessible, it tries to reactivate it before reporting + * any errors. Apart the fields of the UnicastRef, the activatable reference + * contains the ActivationID that is used for this activation. + * + * @author Audrius Meskauskas (Audriusa@Bioinformatics.org) + */ +public class ActivatableRef extends UnicastRef +{ + /** + * Use serial version UID for iteroperability + */ + private static final long serialVersionUID = 1; + + /** + * The activation id. + */ + ActivationID actId; + + /** + * Delegate call to the superclass. + */ + public ActivatableRef() + { + super(); + } + + /** + * Delegate call to the superclass. + */ + public ActivatableRef(ObjID objid, String host, int port, + RMIClientSocketFactory csf) + { + super(objid, host, port, csf); + } + + /** + * Delegate call to the superclass. + */ + public ActivatableRef(ObjID objid) + { + super(objid); + } + + /** + * Get the referencing class. + */ + public String getRefClass(ObjectOutput out) + { + return "ActivatableRef"; + } + + /** + * Read the content from the input stream. + */ + public void readExternal(ObjectInput in) throws IOException, + ClassNotFoundException + { + actId = (ActivationID) in.readObject(); + String type = in.readUTF(); + // XXX handle type.equals("") (null reference) + super.readExternal(in); + } + + /** + * Write the content to the output stream. + */ + public void writeExternal(ObjectOutput out) throws IOException + { + out.writeObject(actId); + // XXX write a "" if the "nested" reference is a null reference + out.writeUTF("UnicastRef2"); + super.writeExternal(out); + } + + /** + * Invoke the remote method on the given object and try to activate the object + * if it is not reacheable with the current manager. + */ + protected Object invokeCommon(Remote obj, Method method, Object[] params, + int opnum, long hash) throws Exception + { + UnicastConnection conn; + try + { + conn = manager.getConnection(); + } + catch (IOException e1) + { + // Connection failed: try to activate. + Remote reactivated = actId.activate(false); + + if (reactivated instanceof RemoteObject) + { + RemoteRef ref = ((RemoteObject) reactivated).getRef(); + manager = ((UnicastRef) ref).manager; + } + else if (Proxy.isProxyClass(reactivated.getClass())) + { + RemoteObjectInvocationHandler hander = + (RemoteObjectInvocationHandler) + Proxy.getInvocationHandler(reactivated); + + RemoteRef ref = hander.getRef(); + manager = ((UnicastRef) ref).manager; + } + else + throw new ActivationException("Activating into unsupported class " + + reactivated.getClass()); + + try + { + conn = manager.getConnection(); + } + catch (IOException e2) + { + throw new RemoteException("connection failed to host: " + + manager.serverName, e1); + } + } + return invokeCommon(conn, obj, method, params, opnum, hash); + } +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/ActivatableServerRef.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/ActivatableServerRef.java new file mode 100644 index 000000000..5b7dadfd2 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/ActivatableServerRef.java @@ -0,0 +1,227 @@ +/* ActivatableServerRef.java -- The activatable server reference + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import java.io.IOException; +import java.io.ObjectInput; +import java.io.ObjectOutput; +import java.rmi.Remote; +import java.rmi.RemoteException; +import java.rmi.activation.ActivationID; +import java.rmi.server.ObjID; +import java.rmi.server.RMIServerSocketFactory; +import java.rmi.server.RemoteStub; +import java.rmi.server.Skeleton; + +/** + * The activatable server reference works like UnicastServerReference, but it + * additionally activates the associated object on demand, during the first + * incoming call. When UnicastServerReference takes the working reference, + * the ActivatableServerRef takes the activation id instead. + * + * @author Audrius Meskauskas (Audriusa@Bioinformatics.org) + */ +public class ActivatableServerRef extends UnicastServerRef +{ + /** + * Use SVUID for interoperability + */ + private static final long serialVersionUID = 1; + + /** + * The object activation id. + */ + public ActivationID actId; + + /** + * Used by serialization only + */ + public ActivatableServerRef() + { + super(); + } + + /** + * Create the new activatable server reference that will activate object on + * the first call using the given activation id. + */ + public ActivatableServerRef(ObjID id, ActivationID anId, int aPort, + RMIServerSocketFactory ssFactory) + throws RemoteException + { + super(id, aPort, ssFactory); + actId = anId; + + // The object ID will be placed in the object map and should deliver + // incoming call to {@link #incommingMessageCall}. The object itself + // is currently null. + UnicastServer.exportActivatableObject(this); + } + + /** + * Inactivate the object (stop the server). + */ + public void inactivate() + { + manager.stopServer(); + } + + /** + * Activate the object (normally during the first call). + */ + protected void activate() throws RemoteException + { + try + { + Remote self = actId.activate(false); + + // This will call UnicastServer.exportObject, replacing null by + // the activated object (self) in the object map. + exportObject(self); + } + catch (RemoteException rex) + { + throw rex; + } + catch (Exception exc) + { + RemoteException rx = new RemoteException("Activation failed."); + rx.detail = exc; + throw rx; + } + } + + /** + * If the object is not active, activate it first. + */ + public Object incomingMessageCall(UnicastConnection conn, int method, + long hash) throws Exception + { + if (myself == null) + activate(); + return super.incomingMessageCall(conn, method, hash); + } + + /** + * Export object and ensure it is present in the server activation table + * as well. + */ + public Remote exportObject(Remote obj) throws RemoteException + { + Remote r = super.exportObject(obj); + UnicastServer.registerActivatable(this); + return r; + } + + /** + * Export object and ensure it is present in the server activation table as + * well. + * + * @param aClass the class being exported, must implement Remote. + */ + public Remote exportClass(Class aClass) throws RemoteException + { + if (!Remote.class.isAssignableFrom(aClass)) + throw new InternalError(aClass.getName()+" must implement Remote"); + + String ignoreStubs; + + ClassLoader loader =aClass.getClassLoader(); + + // Stubs are always searched for the bootstrap classes that may have + // obsolete pattern and may still need also skeletons. + if (loader==null) + ignoreStubs = "false"; + else + ignoreStubs = System.getProperty("java.rmi.server.ignoreStubClasses", + "false"); + + if (! ignoreStubs.equals("true")) + { + // Find and install the stub + Class cls = aClass; + + // where ist the _Stub? (check superclasses also) + Class expCls = findStubSkelClass(cls); + + if (expCls != null) + { + stub = (RemoteStub) getHelperClass(expCls, "_Stub"); + // Find and install the skeleton (if there is one) + skel = (Skeleton) getHelperClass(expCls, "_Skel"); + } + } + + if (stub == null) + stub = createProxyStub(aClass, this); + + // Build hash of methods which may be called. + buildMethodHash(aClass, true); + + UnicastServer.registerActivatable(this); + return stub; + } + + /** + * Get the referencing class. + */ + public String getRefClass(ObjectOutput out) + { + return "ActivatableRef"; + } + + /** + * Read the content from the input stream. + */ + public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException + { + super.readExternal(in); + actId = (ActivationID) in.readObject(); + } + + /** + * Write the content to the output stream. + */ + public void writeExternal(ObjectOutput out) throws IOException + { + super.writeExternal(out); + out.writeObject(actId); + } + +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/CombinedClassLoader.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/CombinedClassLoader.java new file mode 100644 index 000000000..6225fb30b --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/CombinedClassLoader.java @@ -0,0 +1,135 @@ +/* CombinedClassLoader.java -- Multiple class loader support for proxy. + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import java.io.IOException; +import java.net.URL; +import java.util.Collection; +import java.util.Enumeration; +import java.util.Iterator; +import java.util.ArrayList; + +/** + * This class supports the multiple class loaders to load the resources. It is + * used for constructing proxy classes that implement interfaces, loaded by + * the several different class loaders. + * + * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) + */ +public class CombinedClassLoader extends ClassLoader +{ + /** + * The class loader array. + */ + ClassLoader[] loaders; + + /** + * Create a new combined class loader that uses the given collection of + * loaders to load the classes and resources. The loader order is equal to + * the order, returned by the collection interator. The duplicate loaders + * are discarded and the system class loader is added as the last loader. + * + * @param a_loaders the loadery collection (may contain duplicate instances + * that will be discarded. + */ + public CombinedClassLoader(Collection a_loaders) + { + ArrayList sLoaders = new ArrayList(a_loaders.size()); + + Iterator iter = a_loaders.iterator(); + Object cl; + while (iter.hasNext()) + { + cl = iter.next(); + if (cl!=null && !sLoaders.contains(cl)) + sLoaders.add(cl); + } + + loaders = new ClassLoader[sLoaders.size()]; + + for (int i = 0; i < loaders.length; i++) + loaders[i] = (ClassLoader) sLoaders.get(i); + } + + /** + * Find the class with the given name. + */ + protected Class findClass(String name) throws ClassNotFoundException + { + for (int i = 0; i < loaders.length; i++) + { + try + { + return loaders[i].loadClass(name); + } + catch (ClassNotFoundException e) + { + // try another. + } + } + return super.findClass(name); + } + + /** + * Find resource with the given name. + */ + protected URL findResource(String name) + { + for (int i = 0; i < loaders.length; i++) + { + URL resource = loaders[i].getResource(name); + if (resource != null) + return resource; + } + return super.findResource(name); + } + + /** + * Find resources with the given name. + */ + protected Enumeration findResources(String name) throws IOException + { + for (int i = 0; i < loaders.length; i++) + { + Enumeration resource = loaders[i].getResources(name); + if (resource != null) + return resource; + } + return super.findResources(name); } +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/ConnectionRunnerPool.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/ConnectionRunnerPool.java new file mode 100644 index 000000000..9f2b3706e --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/ConnectionRunnerPool.java @@ -0,0 +1,156 @@ +/* gnu.java.rmi.server.ConnectionRunnerPool + Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import java.util.ArrayList; +import java.util.Arrays; + +//Should I generalize this class? + +class ConnectionRunnerPool +{ + + public static + class ConnectionRunner extends Thread{ + private UnicastConnection conn; + private volatile boolean exiting = false; + + public ConnectionRunner(ThreadGroup group, String id){ + super(group, id); + } + + public synchronized void run(){ + while(!exiting){ + if(conn == null) + try{ + wait(); + }catch(InterruptedException e){ + continue; + } + else{ + conn.run(); + conn = null; + synchronized(ConnectionRunnerPool.class){ + freelist.add(this); + if(freelist.size() == 1) + ConnectionRunnerPool.class.notifyAll(); + } + } + } + } + + public synchronized void dispatch(UnicastConnection conn){ + this.conn = conn; + notify(); + } + + void exit(){ + exiting = true; + if(conn != null) + try{ + join(500); + }catch(InterruptedException e){} + interrupt(); + } + + } + + // Should this value equal to number of CPU? + private static int size = 5; + private static int max_size = 10; + + // Package-private to avoid a trampoline. + static ArrayList freelist; + + private static ThreadGroup group = new ThreadGroup("pool"); + + static { + ConnectionRunner[] pools = new ConnectionRunner[size]; + for(int i = 0; i < pools.length; i++){ + pools[i] = new ConnectionRunner(group, Integer.toString(i)); + pools[i].setContextClassLoader(Thread.currentThread().getContextClassLoader()); + pools[i].start(); + } + freelist = new ArrayList(Arrays.asList(pools)); + } + + public static void setSize(int size_){ + size = size_; + } + + public static void setMaxSize(int size){ + max_size = size; + } + + private static synchronized ConnectionRunner getConnectionRunner() + { + if(freelist.size() == 0){ + if(size < max_size){ + ++size; + ConnectionRunner a = new ConnectionRunner(group, Integer.toString(size)); + a.start(); + freelist.add(a); + }else + while(freelist.size() == 0) + try{ + ConnectionRunnerPool.class.wait(); + }catch(InterruptedException e){} + } + + // always let the first in pool most busy or other scheduling plan?? + ConnectionRunner a = (ConnectionRunner)freelist.get(0); + freelist.remove(a); + return a; + } + + public static void dispatchConnection(UnicastConnection conn) + { + ConnectionRunner r = getConnectionRunner(); + r.dispatch(conn); + } + + public static void exit() + { + Thread[] list = new Thread[group.activeCount()]; + group.enumerate(list); + for(int i = 0; i < list.length; i++) + ((ConnectionRunner)list[i]).exit(); + } + +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/ProtocolConstants.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/ProtocolConstants.java new file mode 100644 index 000000000..30fb5e89b --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/ProtocolConstants.java @@ -0,0 +1,62 @@ +/* ProtocolConstants.java -- + Copyright (c) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package gnu.java.rmi.server; + +public interface ProtocolConstants +{ + int PROTOCOL_HEADER = 0x4a524d49; // JRMI + int PROTOCOL_VERSION = 2; + + int STREAM_PROTOCOL = 0x4b; + int SINGLE_OP_PROTOCOL = 0x4c; + int MULTIPLEX_PROTOCOL = 0x4d; + + int PROTOCOL_ACK = 0x4e; + int PROTOCOL_NACK = 0x4f; + + int MESSAGE_CALL = 0x50; + int MESSAGE_CALL_ACK = 0x51; + int MESSAGE_PING = 0x52; + int MESSAGE_PING_ACK = 0x53; + int MESSAGE_DGCACK = 0x54; + + int RETURN_ACK = 0x01; + int RETURN_NACK = 0x02; + + int DEFAULT_PROTOCOL = STREAM_PROTOCOL; +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIClassLoaderImpl.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIClassLoaderImpl.java new file mode 100644 index 000000000..9c3edef76 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIClassLoaderImpl.java @@ -0,0 +1,357 @@ +/* RMIClassLoaderImpl.java -- FIXME: briefly describe file purpose + Copyright (C) 2005, 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import gnu.java.lang.CPStringBuilder; + +import java.lang.reflect.Proxy; +import java.net.MalformedURLException; +import java.net.URL; +import java.net.URLClassLoader; +import java.rmi.server.RMIClassLoaderSpi; +import java.util.ArrayList; +import java.util.Hashtable; +import java.util.Map; +import java.util.StringTokenizer; + +/** + * The default implementation of {@link java.rmi.server.RMIClassLoaderSpi}. + * + * @author Roman Kennke (kennke@aicas.com) + */ +public class RMIClassLoaderImpl extends RMIClassLoaderSpi +{ + private static class MyClassLoader extends URLClassLoader + { + // Package-private to avoid a trampoline constructor. + MyClassLoader (URL[] urls, ClassLoader parent, String annotation) + { + super (urls, parent); + this.annotation = annotation; + } + + public static String urlToAnnotation (URL[] urls) + { + if (urls.length == 0) + return null; + + CPStringBuilder annotation = new CPStringBuilder (64 * urls.length); + + for (int i = 0; i < urls.length; i++) + { + annotation.append (urls [i].toExternalForm()); + annotation.append (' '); + } + + return annotation.toString(); + } + + public final String getClassAnnotation() + { + return annotation; + } + + private final String annotation; + } + + /** + * This class is used to identify a cached classloader by its codebase and + * the context classloader that is its parent. + */ + private static class CacheKey + { + private String mCodeBase; + private ClassLoader mContextClassLoader; + + public CacheKey (String theCodebase, ClassLoader theContextClassLoader) + { + mCodeBase = theCodebase; + mContextClassLoader = theContextClassLoader; + } + + /** + * @return true if the codebase and the context classloader are equal + */ + public boolean equals (Object theOther) + { + if (theOther instanceof CacheKey) + { + CacheKey key = (CacheKey) theOther; + + return (equals (this.mCodeBase,key.mCodeBase) + && equals (this.mContextClassLoader, key.mContextClassLoader)); + } + return false; + } + + /** + * Test if the two objects are equal or both null. + * @param theOne + * @param theOther + * @return + */ + private boolean equals (Object theOne, Object theOther) + { + return theOne != null ? theOne.equals (theOther) : theOther == null; + } + + /** + * @return hashCode + */ + public int hashCode() + { + return ((mCodeBase != null ? mCodeBase.hashCode() : 0) + ^(mContextClassLoader != null ? mContextClassLoader.hashCode() : -1)); + } + + public String toString() + { + return "[" + mCodeBase + "," + mContextClassLoader + "]"; + } + + } + + private static RMIClassLoaderImpl instance = null; + + private static Map cacheLoaders; //map annotations to loaders + private static Map cacheAnnotations; //map loaders to annotations + //class loader for defaultAnnotation + private static MyClassLoader defaultClassLoader; + + //defaultAnnotation is got from system property + // "java.rmi.server.defaultAnnotation" + private static String defaultAnnotation; + + //URL object for defaultAnnotation + private static URL defaultCodebase; + + static + { + // 89 is a nice prime number for Hashtable initial capacity + cacheLoaders = new Hashtable (89); + cacheAnnotations = new Hashtable (89); + + defaultAnnotation = System.getProperty ("java.rmi.server.defaultAnnotation"); + + try + { + if (defaultAnnotation != null) + defaultCodebase = new URL (defaultAnnotation); + } + catch (Exception _) + { + defaultCodebase = null; + } + + if (defaultCodebase != null) + { + defaultClassLoader = new MyClassLoader (new URL[] { defaultCodebase }, null, + defaultAnnotation); + // XXX using getContextClassLoader here *cannot* be right + cacheLoaders.put (new CacheKey (defaultAnnotation, + Thread.currentThread().getContextClassLoader()), + defaultClassLoader); + } + } + + /** + * This is a singleton class and may only be instantiated once from within + * the {@link #getInstance} method. + */ + private RMIClassLoaderImpl() + { + } + + /** + * Returns an instance of RMIClassLoaderImpl. + * + * @return an instance of RMIClassLoaderImpl + */ + public static RMIClassLoaderSpi getInstance() + { + if (instance == null) + instance = new RMIClassLoaderImpl(); + return instance; + } + + public Class loadClass(String codeBase, String name, + ClassLoader defaultLoader) + throws MalformedURLException, ClassNotFoundException + { + try + { + if (defaultLoader != null) + return Class.forName(name, false, defaultLoader); + } + catch (ClassNotFoundException e) + { + } + + return Class.forName(name, false, getClassLoader(codeBase)); + } + + public Class loadProxyClass(String codeBase, String[] interfaces, + ClassLoader defaultLoader) + throws MalformedURLException, ClassNotFoundException + { + Class clss[] = new Class[interfaces.length]; + + for (int i = 0; i < interfaces.length; i++) + { + clss[i] = loadClass(codeBase, interfaces[i], defaultLoader); + } + + // Chain all class loaders (they may differ). + ArrayList loaders = new ArrayList(clss.length); + ClassLoader loader = null; + for (int i = 0; i < clss.length; i++) + { + loader = clss[i].getClassLoader(); + if (! loaders.contains(loader)) + { + loaders.add(0, loader); + } + } + if (loaders.size() > 1) + { + loader = new CombinedClassLoader(loaders); + } + + try + { + return Proxy.getProxyClass(loader, clss); + } + catch (IllegalArgumentException e) + { + throw new ClassNotFoundException(null, e); + } + } + + /** + * Gets a classloader for the given codebase and with the current + * context classloader as parent. + * + * @param codebase + * + * @return a classloader for the given codebase + * + * @throws MalformedURLException if the codebase contains a malformed URL + */ + public ClassLoader getClassLoader(String codebase) + throws MalformedURLException + { + if (codebase == null || codebase.length() == 0) + return Thread.currentThread().getContextClassLoader(); + + ClassLoader loader; + CacheKey loaderKey = new CacheKey + (codebase, Thread.currentThread().getContextClassLoader()); + loader = (ClassLoader) cacheLoaders.get (loaderKey); + + if (loader == null) + { + //create an entry in cacheLoaders mapping a loader to codebases. + // codebases are separated by " " + StringTokenizer tok = new StringTokenizer (codebase, " "); + ArrayList urls = new ArrayList(); + + while (tok.hasMoreTokens()) + urls.add (new URL(tok.nextToken())); + + loader = new MyClassLoader((URL[]) urls.toArray(new URL [urls.size()]), + Thread.currentThread().getContextClassLoader(), + codebase); + cacheLoaders.put (loaderKey, loader); + } + + return loader; + } + + /** + * Returns a string representation of the network location where a remote + * endpoint can get the class-definition of the given class. + * + * @param cl + * + * @return a space seperated list of URLs where the class-definition + * of cl may be found + */ + public String getClassAnnotation(Class cl) + { + ClassLoader loader = cl.getClassLoader(); + + if (loader == null + || loader == ClassLoader.getSystemClassLoader()) + { + return System.getProperty ("java.rmi.server.codebase"); + } + + if (loader instanceof MyClassLoader) + { + return ((MyClassLoader) loader).getClassAnnotation(); + } + + String s = (String) cacheAnnotations.get (loader); + + if (s != null) + return s; + + if (loader instanceof URLClassLoader) + { + URL[] urls = ((URLClassLoader) loader).getURLs(); + + if (urls.length == 0) + return null; + + CPStringBuilder annotation = new CPStringBuilder (64 * urls.length); + + for (int i = 0; i < urls.length; i++) + { + annotation.append (urls [i].toExternalForm()); + annotation.append (' '); + } + + s = annotation.toString(); + cacheAnnotations.put (loader, s); + return s; + } + + return System.getProperty ("java.rmi.server.codebase"); + } +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIDefaultSocketFactory.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIDefaultSocketFactory.java new file mode 100644 index 000000000..628e1cc87 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIDefaultSocketFactory.java @@ -0,0 +1,59 @@ +/* RMIDefaultSocketFactory.java -- + Copyright (c) 1996, 1997, 1998, 1999, 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package gnu.java.rmi.server; + +import java.io.IOException; +import java.net.ServerSocket; +import java.net.Socket; +import java.rmi.server.RMISocketFactory; + +public class RMIDefaultSocketFactory + extends RMISocketFactory { + +public RMIDefaultSocketFactory() { +} + +public Socket createSocket(String host, int port) throws IOException { + return (new Socket(host, port)); +} + +public ServerSocket createServerSocket(int port) throws IOException { + return (new ServerSocket(port)); +} + +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIHashes.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIHashes.java new file mode 100644 index 000000000..c3665a4e7 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIHashes.java @@ -0,0 +1,100 @@ +/* RMIHashes.java -- + Copyright (c) 1996, 1997, 1998, 1999, 2004 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import gnu.java.lang.CPStringBuilder; + +import gnu.java.lang.reflect.TypeSignature; + +import java.io.ByteArrayOutputStream; +import java.io.DataOutputStream; +import java.lang.reflect.Method; +import java.security.MessageDigest; + +public class RMIHashes +{ + //There're other places using DigestOutputStream to generate hash in classpath, but I think the way I used + //here is more efficient, anyway, you can switch to DigestOutputStream by doing like "//or:" comments say. + + //or:add this statement: private static final NullOutputStream nullOutputStream = new NullOutputStream (); + public static long getMethodHash(Method meth) + { + //Object Serialization Spec 8.3 + try + { + MessageDigest md = MessageDigest.getInstance ("SHA"); + //or:remove this statement: DigestOutputStream digest_out = new DigestOutputStream (nullOutputStream, md); + ByteArrayOutputStream digest_out = new ByteArrayOutputStream(); + DataOutputStream data_out = new DataOutputStream (digest_out); + + CPStringBuilder sbuf = new CPStringBuilder(); + sbuf.append(meth.getName()); + sbuf.append('('); + Class params[] = meth.getParameterTypes(); + for(int i = 0; i < params.length; i++) + sbuf.append(TypeSignature.getEncodingOfClass(params[i])); + sbuf.append(')'); + Class rcls = meth.getReturnType(); + if(rcls != Void.TYPE) + sbuf.append(TypeSignature.getEncodingOfClass(rcls)); + else + sbuf.append('V'); + + data_out.writeUTF (sbuf.toString()); + data_out.flush(); + data_out.close (); + + md.update(digest_out.toByteArray()); //or:remove this statement + byte[] sha = md.digest (); + long result = 0; + int len = sha.length < 8 ? sha.length : 8; + for (int i=0; i < len; i++) + result += (long)(sha[i] & 0xFF) << (8 * i); + return result; + }catch(Exception _){ + return -1L; + } + } + + public static long getInterfaceHash(Class clazz) + { + return clazz.hashCode (); + } +} + diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIIncomingThread.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIIncomingThread.java new file mode 100644 index 000000000..990d37bc5 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIIncomingThread.java @@ -0,0 +1,58 @@ +/* RMIIncomingThread.java -- + Copyright (c) 1996, 1997, 1998, 1999, 2002 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package gnu.java.rmi.server; + +public class RMIIncomingThread extends Thread { + + private String clientHost = null; + + public RMIIncomingThread(Runnable runnable, String s_clientHost) { + super(runnable); + clientHost = s_clientHost; + } + + public String toString() { + return "RMIIncoming from " + clientHost + " " + super.toString(); + } + + public String getClientHost() { + return clientHost; + } + + +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIObjectInputStream.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIObjectInputStream.java new file mode 100644 index 000000000..65a13f991 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIObjectInputStream.java @@ -0,0 +1,118 @@ +/* RMIObjectInputStream.java -- + Copyright (c) 1996, 1997, 1998, 1999, 2002, 2004, 2006 + Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import gnu.classpath.VMStackWalker; +import java.io.IOException; +import java.io.InputStream; +import java.io.ObjectInputStream; +import java.io.ObjectStreamClass; +import java.net.MalformedURLException; +import java.rmi.server.RMIClassLoader; + +public class RMIObjectInputStream + extends ObjectInputStream { + +public RMIObjectInputStream(InputStream strm) throws IOException { + super(strm); + enableResolveObject(true); +} + +protected Class resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException { + try { + return RMIClassLoader.loadClass( + (String)getAnnotation(), + desc.getName(), + VMStackWalker.firstNonNullClassLoader()); + } + catch (MalformedURLException x) { + throw new ClassNotFoundException(desc.getName(), x); + } +} + +//Separate it for override by MarshalledObject +protected Object getAnnotation() + throws IOException, ClassNotFoundException +{ + return readObject(); +} + + + protected Class resolveProxyClass(String intfs[]) throws IOException, + ClassNotFoundException + { + try + { + return RMIClassLoader.loadProxyClass( + (String)getAnnotation(), + intfs, + VMStackWalker.firstNonNullClassLoader()); + } + catch (MalformedURLException x) + { + throw new ClassNotFoundException(null, x); + } + } + +protected Object readValue(Class valueClass) throws IOException, ClassNotFoundException { + if(valueClass.isPrimitive()){ + if(valueClass == Boolean.TYPE) + return Boolean.valueOf(readBoolean()); + if(valueClass == Byte.TYPE) + return new Byte(readByte()); + if(valueClass == Character.TYPE) + return new Character(readChar()); + if(valueClass == Short.TYPE) + return new Short(readShort()); + if(valueClass == Integer.TYPE) + return new Integer(readInt()); + if(valueClass == Long.TYPE) + return new Long(readLong()); + if(valueClass == Float.TYPE) + return new Float(readFloat()); + if(valueClass == Double.TYPE) + return new Double(readDouble()); + else + throw new Error("Unsupported primitive class: " + valueClass); + } else + return readObject(); +} + +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIObjectOutputStream.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIObjectOutputStream.java new file mode 100644 index 000000000..d42908a41 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIObjectOutputStream.java @@ -0,0 +1,114 @@ +/* RMIObjectOutputStream.java - + Copyright (c) 1996, 1997, 1998, 1999, 2002, 2004 + Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import java.io.IOException; +import java.io.ObjectOutputStream; +import java.io.OutputStream; +import java.rmi.Remote; +import java.rmi.server.RMIClassLoader; +import java.rmi.server.RemoteStub; + +public class RMIObjectOutputStream + extends ObjectOutputStream { + +public RMIObjectOutputStream(OutputStream strm) throws IOException { + super(strm); + enableReplaceObject(true); +} + +//Separate it for override by MarshalledObject +protected void setAnnotation(String annotation) throws IOException{ + writeObject(annotation); +} + +protected void annotateClass(Class cls) throws IOException { + setAnnotation(RMIClassLoader.getClassAnnotation(cls)); +} + +protected void annotateProxyClass(Class cls) + throws IOException +{ + annotateClass(cls); +} + +protected Object replaceObject(Object obj) + throws IOException +{ + if((obj instanceof Remote) && !(obj instanceof RemoteStub)){ + UnicastServerRef ref = UnicastServer.getExportedRef((Remote)obj); + if (ref != null) + return ref.getStub(); + } + return obj; +} + +protected void writeValue(Object value, Class valueClass) throws IOException{ + if(valueClass.isPrimitive()){ + if(valueClass == Boolean.TYPE) + writeBoolean(((Boolean)value).booleanValue()); + else + if(valueClass == Byte.TYPE) + writeByte(((Byte)value).byteValue()); + else + if(valueClass == Character.TYPE) + writeChar(((Character)value).charValue()); + else + if(valueClass == Short.TYPE) + writeShort(((Short)value).shortValue()); + else + if(valueClass == Integer.TYPE) + writeInt(((Integer)value).intValue()); + else + if(valueClass == Long.TYPE) + writeLong(((Long)value).longValue()); + else + if(valueClass == Float.TYPE) + writeFloat(((Float)value).floatValue()); + else + if(valueClass == Double.TYPE) + writeDouble(((Double)value).doubleValue()); + else + throw new Error("Unsupported primitive class: " + valueClass); + } else + writeObject(value); +} + +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIVoidValue.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIVoidValue.java new file mode 100644 index 000000000..8e5546d35 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/RMIVoidValue.java @@ -0,0 +1,51 @@ +/* RMIVoidValue.java -- + Copyright (c) 2003 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package gnu.java.rmi.server; + +/** + * Package private class used to indicate a void return type. + * INSTANCE is the only object of this class ever made. + */ +final class RMIVoidValue +{ + static RMIVoidValue INSTANCE = new RMIVoidValue(); + + private RMIVoidValue() + { + } +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastConnection.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastConnection.java new file mode 100644 index 000000000..216e453e7 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastConnection.java @@ -0,0 +1,231 @@ +/* UnicastConnection.java -- + Copyright (c) 1996, 1997, 1998, 1999, 2002, 2004 + Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import java.io.BufferedInputStream; +import java.io.BufferedOutputStream; +import java.io.DataInputStream; +import java.io.DataOutputStream; +import java.io.IOException; +import java.io.ObjectInputStream; +import java.io.ObjectOutputStream; +import java.net.Socket; +import java.rmi.RemoteException; + +public class UnicastConnection + implements Runnable, ProtocolConstants { + +UnicastConnectionManager manager; +Socket sock; +DataInputStream din; +DataOutputStream dout; +ObjectInputStream oin; +ObjectOutputStream oout; + +// reviveTime and expireTime make UnicastConnection pool-able +long reviveTime = 0; +long expireTime = Long.MAX_VALUE; + +UnicastConnection(UnicastConnectionManager man, Socket sock) { + this.manager = man; + this.sock = sock; +} + +void acceptConnection() throws IOException { +//System.out.println("Accepting connection on " + sock); + //Use BufferedXXXStream would be more efficient + din = new DataInputStream(new BufferedInputStream(sock.getInputStream())); + dout = new DataOutputStream(new BufferedOutputStream(sock.getOutputStream())); + + int sig = din.readInt(); + if (sig != PROTOCOL_HEADER) { + throw new IOException("bad protocol header"); + } + short ver = din.readShort(); + if (ver != PROTOCOL_VERSION) { + throw new IOException("bad protocol version"); + } + int protocol = din.readUnsignedByte(); + if (protocol != SINGLE_OP_PROTOCOL) { + // Send an ACK + dout.writeByte(PROTOCOL_ACK); + + // Send my hostname and port + dout.writeUTF(manager.serverName); + dout.writeInt(manager.serverPort); + dout.flush(); + + // Read their hostname and port + String rhost = din.readUTF(); + int rport = din.readInt(); + } + // Okay, ready to roll ... +} + +void makeConnection(int protocol) throws IOException { + //Use BufferedXXXStream would be more efficient + din = new DataInputStream(new BufferedInputStream(sock.getInputStream())); + + dout = new DataOutputStream(new BufferedOutputStream(sock.getOutputStream())); + + // Send header + dout.writeInt(PROTOCOL_HEADER); + dout.writeShort(PROTOCOL_VERSION); + dout.writeByte(protocol); + dout.flush(); + + if (protocol != SINGLE_OP_PROTOCOL) { + // Get back ack. + int ack = din.readUnsignedByte(); + if (ack != PROTOCOL_ACK) { + throw new RemoteException("Unsupported protocol"); + } + + // Read in host and port + String dicard_rhost = din.readUTF(); + int discard_rport = din.readInt(); + + // Send them my endpoint + dout.writeUTF(manager.serverName); + dout.writeInt(manager.serverPort); + dout.flush(); + } + // Okay, ready to roll ... +} + +DataInputStream getDataInputStream() throws IOException { + return (din); +} + +DataOutputStream getDataOutputStream() throws IOException { + return (dout); +} + +/* +* +* get ObjectInputStream for reading more objects +* +*/ +ObjectInputStream getObjectInputStream() throws IOException { + if (oin == null) { + throw new IOException("no ObjectInputtream for reading more objects"); + } + return (oin); +} + +/** +* +* starts ObjectInputStream. +* +*/ +ObjectInputStream startObjectInputStream() throws IOException { + return (oin = new RMIObjectInputStream(din)); +} + +/** +* +* get ObjectOutputStream for sending more objects +* +*/ +ObjectOutputStream getObjectOutputStream() throws IOException { + if (oout == null) { + throw new IOException("no ObjectOutputStream for sending more objects"); + } + return (oout); +} + +/** +* +* starts ObjectOutputStream. +* +*/ +ObjectOutputStream startObjectOutputStream() throws IOException { + return (oout = new RMIObjectOutputStream(dout)); +} + +void disconnect() { + try { + if(oout != null) + oout.close(); + sock.close(); + } + catch (IOException _) { + } + + oin = null; + oout = null; + din = null; + dout = null; + sock = null; +} + +public static final long CONNECTION_TIMEOUT = 10000L; + +static boolean isExpired(UnicastConnection conn, long l){ + if (l <= conn.expireTime ) + return false; + return true; +} + +static void resetTime(UnicastConnection conn){ + long l = System.currentTimeMillis(); + conn.reviveTime = l; + conn.expireTime = l + CONNECTION_TIMEOUT; +} + +/** + * We run connects on the server. Dispatch it then discard it. + */ +public void run() { + do{ + try { + UnicastServer.dispatch(this); + //don't discardConnection explicitly, only when + // exception happens or the connection's expireTime + // comes + } catch (Exception e ){ + manager.discardConnection(this); + break; + } + }while(true); +} + + +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastConnectionManager.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastConnectionManager.java new file mode 100644 index 000000000..a9992af9f --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastConnectionManager.java @@ -0,0 +1,468 @@ +/* UnicastConnectionManager.java -- + Copyright (c) 1996, 1997, 1998, 1999, 2002, 2004 + Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import java.io.IOException; +import java.io.ObjectInput; +import java.io.ObjectOutput; +import java.net.InetAddress; +import java.net.ServerSocket; +import java.net.Socket; +import java.net.UnknownHostException; +import java.rmi.RemoteException; +import java.rmi.server.RMIClientSocketFactory; +import java.rmi.server.RMIServerSocketFactory; +import java.rmi.server.RMISocketFactory; +import java.util.ArrayList; +import java.util.ConcurrentModificationException; +import java.util.Hashtable; +import java.util.Iterator; + +public class UnicastConnectionManager + implements Runnable, ProtocolConstants { + +private static String localhost; +// use different maps for server/client type UnicastConnectionManager +private static Hashtable servers = new Hashtable(); +// Package-private to avoid trampolines. +static Hashtable clients = new Hashtable(); +ArrayList connections; //client connection pool + +// make serverThread volatile for poll +private volatile Thread serverThread; +private ServerSocket ssock; +String serverName; +int serverPort; + +// Package-private to avoid a trampoline. +static Thread scavenger; + +// If client and server are in the same VM, serverobj represents server +Object serverobj; + +private static RMISocketFactory defaultSocketFactory = RMISocketFactory.getSocketFactory(); +private RMIServerSocketFactory serverFactory; +private RMIClientSocketFactory clientFactory; + +// The following is for debug +private static int ncsock = 0; //count of client socket +private static int nssock = 0; //count of server socket +private static int ncmanager = 0; //count of client manager +private static int nsmanager = 0; //count of server manager + +private static final boolean debug = false; + +private static final Object GLOBAL_LOCK = new Object(); + +static { + try { + //Use host address instead of host name to avoid name resolving issues + //localhost = InetAddress.getLocalHost().getHostName(); + localhost = InetAddress.getLocalHost().getHostAddress(); + } + catch (UnknownHostException _) { + localhost = "localhost"; + } + + +} + +//Only one scavenger thread running globally +private static void startScavenger(){ + scavenger = new Thread(new Runnable(){ + public void run(){ + if (debug) System.out.println("************* start scavenger."); + boolean liveon = true; + while (liveon){ + // Sleep for the expire timeout + try{ + Thread.sleep(UnicastConnection.CONNECTION_TIMEOUT); + }catch(InterruptedException _ie){ + break; + } + liveon = false; + // Scavenge all clients' connections that're expired + Iterator iter = clients.values().iterator(); + long l = System.currentTimeMillis(); + try{ + while(iter.hasNext()){ + UnicastConnectionManager man = (UnicastConnectionManager)iter.next(); + ArrayList conns = man.connections; + synchronized(conns) { // is the lock a little coarser? + for (int last = conns.size() - 1; + last >= 0; + --last) + { + UnicastConnection conn = (UnicastConnection)conns.get(last); + if (UnicastConnection.isExpired(conn, l)){ + conns.remove(last); + conn.disconnect(); + conn = null; + }else + liveon = true; //there're still live connections + } + } + } + }catch(ConcurrentModificationException cme) { + // handle it lazily + liveon = true; + } + } + scavenger = null; + if (debug) System.out.println("************* exit scavenger."); + } + }); + // As it is used for client connection, we may put this thread + // in daemon state to prevent the VM from blocking when exiting. + scavenger.setDaemon(true); + scavenger.start(); +} + +/** + * Client UnicastConnectionManager constructor + */ +private UnicastConnectionManager(String host, int port, RMIClientSocketFactory csf) { + ssock = null; + serverName = host; + serverPort = port; + serverFactory = null; + clientFactory = csf; + connections = new ArrayList(); +} + +/** + * Server UnicastConnectionManager constructor + */ +private UnicastConnectionManager(int port, RMIServerSocketFactory ssf) throws RemoteException { + + try { + ssock = ssf.createServerSocket(port); + serverPort = ssock.getLocalPort(); + } + catch (IOException ioex) { + ssock = null; + serverPort = 0; + throw new java.rmi.server.ExportException("can not create Server Socket on port " + port,ioex); + } + // Note that for compatibility the serverName is "localhost", + // not UnicastConnectionManager.localhost, which is the name + // of the local box. A server listening on localhost:port is + // listening on the loopback interface, 127.0.0.1, but + // UnicastConnectionManager.localhost is an externally + // accessible IP address. + serverName = "localhost"; + serverFactory = ssf; + clientFactory = null; +} + +/** + * Return a client connection manager which will connect to the given + * host/port. + */ +public static synchronized UnicastConnectionManager getInstance(String host, int port, RMIClientSocketFactory csf) { +//System.out.println("getInstance: " + host + "," + port + "," + csf); + if (csf == null) { + csf = defaultSocketFactory; + } + // change host name to host address to avoid name resolving issues + try{ + host = InetAddress.getByName(host).getHostAddress(); + }catch(Exception _){} + + TripleKey key = new TripleKey(host, port, csf); + UnicastConnectionManager man = (UnicastConnectionManager)clients.get(key); + if (man == null) { + man = new UnicastConnectionManager(host, port, csf); + if (debug) { + ncmanager++; + System.out.println("\n\n ====== " + ncmanager + " client managers.\n\n"); + } + clients.put(key, man); + + // Detect if client and server are in the same VM, i.e., their keys are equal + UnicastConnectionManager svrman = (UnicastConnectionManager)servers.get(key); + if(svrman != null){ // server and client are in the same VM + man.serverobj = svrman.serverobj; + } + } + return (man); +} + +/** + * Return a server connection manager which will accept connection on the + * given port. + */ +public static synchronized UnicastConnectionManager getInstance(int port, RMIServerSocketFactory ssf) throws RemoteException { +//System.out.println("getInstance: " + port + "," + ssf); + if (ssf == null) { + ssf = defaultSocketFactory; + } + TripleKey key = new TripleKey(localhost, port, ssf); + UnicastConnectionManager man = (UnicastConnectionManager)servers.get(key); + if (man == null) { + man = new UnicastConnectionManager(port, ssf); + if (debug) { + nsmanager++; + System.out.println("\n\n ****** " + nsmanager + " server managers.\n\n"); + } + // The provided port might not be the set port. + key.port = man.serverPort; + servers.put(key, man); + } + return (man); +} + +/** + * Get a connection from this manager. + */ +public UnicastConnection getConnection() throws IOException { + if (ssock == null) { + return (getClientConnection()); + } + else { + return (getServerConnection()); + } +} + +/** + * Accept a connection to this server. + */ +private UnicastConnection getServerConnection() throws IOException { + Socket sock = ssock.accept(); + sock.setTcpNoDelay(true); //?? + UnicastConnection conn = new UnicastConnection(this, sock); + conn.acceptConnection(); + if (debug){ + nssock++; + System.out.println("\n\n ****** " + nssock + " server socks.\n\n"); + } + //System.out.println("Server connection " + sock); + return (conn); +} + +/** + * Make a conection from this client to the server. + */ +private UnicastConnection getClientConnection() throws IOException { + ArrayList conns = connections; + UnicastConnection conn; + + synchronized(conns) { + int nconn = conns.size() - 1; + + // if there're free connections in connection pool + if(nconn >= 0) { + conn = (UnicastConnection)conns.get(nconn); + //Should we check if conn is alive using Ping?? + conns.remove(nconn); + + // Check if the connection is already expired + long l = System.currentTimeMillis(); + if (!UnicastConnection.isExpired(conn, l)){ + return conn; + }else { + conn.disconnect(); + conn = null; + } + } + } + + Socket sock = clientFactory.createSocket(serverName, serverPort); + conn = new UnicastConnection(this, sock); + conn.makeConnection(DEFAULT_PROTOCOL); + + if (debug) { + ncsock++; + System.out.println("\n\n ====== " + ncsock + " client socks.\n\n"); + } + + return (conn); +} + +/** + * Get the string representation, describing the connection. + */ +public String toString() +{ + return serverName+":"+serverPort+" ("+serverobj+")"; +} + +/** + * Discard a connection when we're done with it - maybe it can be + * recycled. + */ +public void discardConnection(UnicastConnection conn) { +//System.out.println("Discarding connection " + conn); + //conn.disconnect(); + if (ssock != null) //server connection + conn.disconnect(); + else { + // To client connection, we'd like to return back to pool + UnicastConnection.resetTime(conn); + //Ensure there're only one scavenger globally + synchronized(GLOBAL_LOCK) { + connections.add(conn); //borrow this lock to garantee thread safety + if (scavenger == null) + startScavenger(); + } + } +} + +/** + * Start a server on this manager if it's a server socket and we've not + * already got one running. + */ +public void startServer() { + synchronized(this) { + if (ssock == null || serverThread != null) { + return; + } + serverThread = new Thread(this); + // The following is not necessary when java.lang.Thread's constructor do this. + // serverThread.setContextClassLoader(Thread.currentThread().getContextClassLoader()); + } + serverThread.start(); +} + +/** + * Stop a server on this manager + */ +public void stopServer() { + synchronized(this) { + if(serverThread != null){ + serverThread = null; + try{ + ssock.close(); + }catch(Exception _){} + } + } +} + +/** + * Server thread for connection manager. + */ +public void run() { + for (;serverThread != null;) { // if serverThread==null, then exit thread + try { +//System.out.println("Waiting for connection on " + serverPort); + UnicastConnection conn = getServerConnection(); + + // get address of remote host for the RMIIncomingThread object + String remoteHost = null; + if (conn.sock != null) { + remoteHost = conn.sock.getInetAddress().getHostAddress(); + } + + // use a thread pool to improve performance + //ConnectionRunnerPool.dispatchConnection(conn); + (new RMIIncomingThread(conn, remoteHost)).start(); +// (new Thread(conn)).start(); + } + catch (Exception e) { + e.printStackTrace(); + } + } +} + +/** + * Serialization routine. + */ +void write(ObjectOutput out) throws IOException { + out.writeUTF(serverName); + out.writeInt(serverPort); +} + +/** + * Serialization routine. + */ +static UnicastConnectionManager read(ObjectInput in) throws IOException { + String host = in.readUTF(); + int port = in.readInt(); + //RMIClientSocketFactory csf = ((RMIObjectInputStream)in).manager.clientFactory; + //return (getInstance(host, port, csf)); + return (getInstance(host, port, null)); +} + +} + +/** + * This is use as the hashkey for the client/server connections. + */ +class TripleKey { + +String host; +int port; +Object other; + +TripleKey(String host, int port, Object other) { + this.host = host; + this.port = port; + this.other = other; +} + +/** + * Hash code just include the host and other - we ignore the port since + * this has unusual matching behaviour. + */ +public int hashCode() { + return (host.hashCode() ^ other.hashCode()); +} + +public boolean equals(Object obj) { + if (obj instanceof TripleKey) { + TripleKey other = (TripleKey)obj; + if (this.host.equals(other.host) && + this.other == other.other && + (this.port == other.port /* || this.port == 0 || other.port == 0*/)) { + return (true); + } + } + return (false); +} + + /** + * Get the string representation, describing the connection. + */ + public String toString() + { + return host+":"+port+" ("+other+")"; + } + +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRef.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRef.java new file mode 100644 index 000000000..def1acdcf --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRef.java @@ -0,0 +1,524 @@ +/* UnicastRef.java -- + Copyright (c) 1996, 1997, 1998, 1999, 2002, 2005, 2006 + Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import gnu.java.rmi.dgc.LeaseRenewingTask; + +import java.io.DataInputStream; +import java.io.DataOutputStream; +import java.io.IOException; +import java.io.ObjectInput; +import java.io.ObjectInputStream; +import java.io.ObjectOutput; +import java.io.ObjectOutputStream; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.rmi.ConnectException; +import java.rmi.Remote; +import java.rmi.RemoteException; +import java.rmi.dgc.Lease; +import java.rmi.server.ObjID; +import java.rmi.server.Operation; +import java.rmi.server.RMIClientSocketFactory; +import java.rmi.server.RemoteCall; +import java.rmi.server.RemoteObject; +import java.rmi.server.RemoteRef; +import java.rmi.server.UID; + +public class UnicastRef + implements RemoteRef, ProtocolConstants +{ + + /** + * Use serial version UID for iteroperability + */ + private static final long serialVersionUID = 1; + + public ObjID objid; + + UnicastConnectionManager manager; + + /** + * Used by serialization, and let subclass capable of having default + * constructor + */ + // must be public otherwise java.rmi.RemoteObject cannot instantiate this + // class + // -- iP + public UnicastRef() + { + } + + public UnicastRef(ObjID objid, String host, int port, + RMIClientSocketFactory csf) + { + this(objid); + manager = UnicastConnectionManager.getInstance(host, port, csf); + } + + public UnicastRef(ObjID objid) + { + this.objid = objid; + } + + public Object invoke(Remote obj, Method method, Object[] params, long opnum) + throws Exception + { + // Check if client and server are in the same VM, then local call can be + // used to + // replace remote call, but it's somewhat violating remote semantic. + Object svrobj = manager.serverobj; + + // Make sure that the server object is compatible. It could be loaded from a + // different + // classloader --iP + if (svrobj != null && method.getDeclaringClass().isInstance(svrobj)) + { + // local call + Object ret = null; + try + { + ret = method.invoke(svrobj, params); + } + catch (InvocationTargetException e) + { + throw (Exception) e.getTargetException(); + } + // System.out.println("\n\n ***** local call: " + method + "\nreturn: " + // + ret + "\n\n"); + return ret; + } + // System.out.println("***************** remote call:" + + // manager.serverPort); + return (invokeCommon(obj, method, params, - 1, opnum)); + } + + /** + * The ordinary number of the DGC messages. + */ + static long dgcSequence; + + /** + * The DGC object id, also serves as a synchronization target to increment the + * dgcSequence safely. + */ + static final ObjID dgcId = new ObjID(ObjID.DGC_ID); + + ObjID[] this_id; + + /** + * The number of the method "dirty" in the DGC. + */ + static int DIRTY = 1; + + /** + * The DGC interface hash code. + */ + static final long dgcInterfaceHash = - 669196253586618813L; + + /** + * Notify the DGC of the remote side that we still hold this object. + */ + public Lease notifyDGC(Lease lease) throws Exception + { + long seq; + synchronized (dgcId) + { + seq = dgcSequence++; + } + + if (this_id == null) + this_id = new ObjID[] { objid }; + + UnicastConnection conn; + try + { + conn = manager.getConnection(); + } + catch (IOException e1) + { + throw new RemoteException("connection failed to host: " + + manager.serverName, e1); + } + + ObjectOutputStream out; + DataOutputStream dout; + try + { + dout = conn.getDataOutputStream(); + dout.writeByte(MESSAGE_CALL); + + out = conn.startObjectOutputStream(); // (re)start ObjectOutputStream + + dgcId.write(out); + // The number of the operation is 1 ("dirty") + out.writeInt(DIRTY); + out.writeLong(dgcInterfaceHash); + + RMIObjectOutputStream rout = (RMIObjectOutputStream) out; + + rout.writeValue(this_id, this_id.getClass()); + rout.writeLong(seq); + rout.writeValue(lease, lease.getClass()); + + out.flush(); + } + catch (IOException e2) + { + throw new RemoteException("DGC call failed: ", e2); + } + + int returncode; + Object returnval; + DataInputStream din; + ObjectInputStream in; + UID ack; + try + { + din = conn.getDataInputStream(); + + if ((returncode = din.readUnsignedByte()) != MESSAGE_CALL_ACK) + { + conn.disconnect(); + throw new RemoteException("DGC Call not acked:" + returncode); + } + + in = conn.startObjectInputStream(); // (re)start ObjectInputStream + returncode = in.readUnsignedByte(); + ack = UID.read(in); + + if (returncode == RETURN_NACK) + { + returnval = in.readObject(); // get Exception + + } + else + { + returnval = ((RMIObjectInputStream) in).readValue(Lease.class); + } + } + catch (IOException e3) + { + throw new RemoteException("DGC call return failed: ", e3); + } + + manager.discardConnection(conn); + + if (returncode != RETURN_ACK && returnval != null) + { + if (returncode == RETURN_NACK) + throw (Exception) returnval; + else + throw new RemoteException("DGC unexpected returncode: " + returncode); + } + + return (Lease) returnval; + } + /** + * Invoke the remote method on the given object. This part is overridden by + * the activatable objects. + */ + protected Object invokeCommon(Remote obj, Method method, Object[] params, + int opnum, long hash) throws Exception + { + UnicastConnection conn; + try + { + conn = manager.getConnection(); + return invokeCommon(conn, obj, method, params, opnum, hash); + } + catch (IOException e1) + { + throw new RemoteException("connection failed to host: " + + manager.serverName, e1); + } + } + + /** + * Invoke the remote method on the given object when connection is already + * established. + */ + protected Object invokeCommon(UnicastConnection conn, Remote obj, + Method method, Object[] params, int opnum, + long hash) throws Exception + { + ObjectOutputStream out; + DataOutputStream dout; + try + { + dout = conn.getDataOutputStream(); + dout.writeByte(MESSAGE_CALL); + + out = conn.startObjectOutputStream(); // (re)start ObjectOutputStream + + objid.write(out); + out.writeInt(opnum); + out.writeLong(hash); + + // must handle primitive class and their wrapper classes + Class clss[] = method.getParameterTypes(); + for (int i = 0; i < clss.length; i++) + ((RMIObjectOutputStream) out).writeValue(params[i], clss[i]); + + out.flush(); + } + catch (IOException e2) + { + throw new RemoteException("call failed: ", e2); + } + + int returncode; + Object returnval; + DataInputStream din; + ObjectInputStream in; + UID ack; + try + { + din = conn.getDataInputStream(); + + if ((returncode = din.readUnsignedByte()) != MESSAGE_CALL_ACK) + { + conn.disconnect(); + throw new RemoteException("Call not acked:" + returncode); + } + + in = conn.startObjectInputStream(); // (re)start ObjectInputStream + returncode = in.readUnsignedByte(); + ack = UID.read(in); + + Class cls = method.getReturnType(); + + if (returncode == RETURN_NACK) + { + returnval = in.readObject(); // get Exception + + } + else if (cls == Void.TYPE) + { + returnval = null; + // in.readObject() // not required! returntype 'void' means no field + // is returned. + } + else + { + returnval = ((RMIObjectInputStream) in).readValue(cls); // get + // returnvalue + } + } + catch (IOException e3) + { + // for debug: e3.printStackTrace(); + throw new RemoteException("call return failed: ", e3); + } + + /* + * if DGCAck is necessary?? //According to RMI wire protocol, send a DGCAck // + * to indicate receiving return value dout.writeByte(MESSAGE_DGCACK); + * ack.write(dout); out.flush(); + */ + + manager.discardConnection(conn); + + if (returncode != RETURN_ACK && returnval != null) + { + if (returncode == RETURN_NACK) + throw (Exception) returnval; + else + throw new RemoteException("unexpected returncode: " + returncode); + } + + return (returnval); + } + + /** + * @deprecated + */ + public RemoteCall newCall(RemoteObject obj, Operation[] op, int opnum, + long hash) throws RemoteException + { + UnicastConnection conn; + + try + { + conn = manager.getConnection(); + } + catch (IOException e1) + { + throw new ConnectException("connection failed to host: " + + manager.serverName, e1); + } + + // obj: useless? + + return (new UnicastRemoteCall(conn, objid, opnum, hash)); + } + + /** + * @deprecated + */ + public void invoke(RemoteCall call) throws Exception + { + UnicastRemoteCall c = (UnicastRemoteCall) call; + call.executeCall(); + } + + /** + * @deprecated + */ + public void done(RemoteCall call) throws RemoteException + { + UnicastRemoteCall c = (UnicastRemoteCall) call; + try + { + c.done(); + } + catch (IOException e) + { + } + UnicastConnection conn = c.getConnection(); + manager.discardConnection(conn); + } + + public void writeExternal(ObjectOutput out) throws IOException + { + if (manager == null) + { + throw new IOException("no connection"); + } + manager.write(out); + objid.write(out); + // This byte is somewhat confusing when interoperating with JDK + out.writeByte(0); // RETURN_ACK); + } + + public void readExternal(ObjectInput in) throws IOException, + ClassNotFoundException + { + manager = UnicastConnectionManager.read(in); + objid = ObjID.read(in); + byte ack = in.readByte(); + // This byte is somewhat confusing when interoperating with JDK + if (ack != RETURN_ACK && ack != 0/* jdk ack value */) + { + throw new IOException("no ack found"); + } + + // Notify the DGC of the remote side that we hold the reference to the + // received object. Do not notify if the client and server are on the + // same virtual machine. + if (manager.serverobj == null) + LeaseRenewingTask.scheduleLeases(this); + } + + public boolean remoteEquals(RemoteRef ref) + { + throw new Error("Not implemented"); + } + + public int remoteHashCode() + { + throw new Error("Not implemented"); + } + + public String getRefClass(ObjectOutput out) + { + return ("UnicastRef"); + } + + /** + * Return the string representing the remote reference information. + */ + public String remoteToString() + { + if (manager!=null) + return manager.toString(); + else + return "null manager"; + } + + public void dump(UnicastConnection conn) + { + try + { + DataInputStream din = conn.getDataInputStream(); + for (;;) + { + int b = din.readUnsignedByte(); + System.out.print(Integer.toHexString(b)); + if (b >= 32 && b < 128) + { + System.out.print(": " + (char) b); + } + System.out.println(); + } + } + catch (IOException _) + { + } + } + + /** + * Check if this UnicastRef points to the object as the passed UnicastRef. + * Both the object Id and manager must be the same. + * + * @return true if the passed reference points to the same remote object as + * this reference, false otherwise. + */ + public boolean equals(Object other) + { + if (other instanceof UnicastRef) + { + UnicastRef r = (UnicastRef) other; + return r.manager.equals(manager) && r.objid.equals(objid); + } + else + return false; + } + + /** + * Get the hash code of this UnicastRef, combining hash code of the manager + * with hash code of the object id. + */ + public int hashCode() + { + return manager.hashCode() ^ objid.hashCode(); + } + +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRemoteCall.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRemoteCall.java new file mode 100644 index 000000000..c5206e76d --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRemoteCall.java @@ -0,0 +1,525 @@ +/* UnicastRemoteCall.java + Copyright (c) 1996, 1997, 1998, 1999, 2002, 2004, 2005 + Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import java.io.DataInputStream; +import java.io.DataOutputStream; +import java.io.IOException; +import java.io.ObjectInput; +import java.io.ObjectOutput; +import java.io.StreamCorruptedException; +import java.rmi.MarshalException; +import java.rmi.RemoteException; +import java.rmi.UnmarshalException; +import java.rmi.server.ObjID; +import java.rmi.server.RemoteCall; +import java.rmi.server.UID; +import java.util.Vector; + +public class UnicastRemoteCall + implements RemoteCall, ProtocolConstants +{ + + private UnicastConnection conn; + private Object result; + private Object object; + private int opnum; + private long hash; + // These are package-private due to inner class access. + Vector vec; + int ptr; + private ObjID objid; + + private ObjectOutput oout; + private ObjectInput oin; + + /** + * Incoming call. + */ + UnicastRemoteCall(UnicastConnection conn) + { + this.conn = conn; + } + + /** + * Outgoing call. + */ + UnicastRemoteCall(UnicastConnection conn, ObjID objid, int opnum, long hash) + throws RemoteException + { + this.conn = conn; + this.opnum = opnum; + this.hash = hash; + this.objid = objid; + } + + UnicastConnection getConnection() + { + return conn; + } + + public ObjectOutput getOutputStream() throws IOException + { + if (vec == null) + vec = new Vector(); + return (new DummyObjectOutputStream()); + } + + public void releaseOutputStream() throws IOException + { + if (vec != null) + { + oout = conn.getObjectOutputStream(); + + for (int i = 0; i < vec.size(); i += 2) + { + boolean primitive = ((Boolean)vec.elementAt(i)).booleanValue(); + Object data = vec.elementAt(i+1); + + // No type, this is + if (!primitive) + oout.writeObject(data); + else + { + if (data instanceof Boolean) + oout.writeBoolean(((Boolean)data).booleanValue()); + else if (data instanceof Character) + oout.writeChar(((Character)data).charValue()); + else if (data instanceof Byte) + oout.writeByte(((Byte)data).byteValue()); + else if (data instanceof Short) + oout.writeShort(((Short)data).shortValue()); + else if (data instanceof Integer) + oout.writeInt(((Integer)data).intValue()); + else if (data instanceof Long) + oout.writeLong(((Long)data).longValue()); + } + } + vec = null; + } + if(oout != null) + oout.flush(); + } + + /** + * + * (re)starts ObjectInputStream + * + */ + public ObjectInput startInputStream() throws IOException + { + if (conn != null) { + return (oin = conn.startObjectInputStream()); + } else { + return getInputStream(); // dummy Input Stream + } + + } + + public ObjectInput getInputStream() throws IOException + { + if (conn != null) + { + if(oin == null) + return (oin = conn.getObjectInputStream()); + else + return oin; + } + else + { + ptr = 0; + return (new DummyObjectInputStream()); + } + } + + public void releaseInputStream() throws IOException + { + // Does nothing. + } + + public ObjectOutput getResultStream(boolean success) + throws IOException, StreamCorruptedException + { + vec = new Vector(); + return new DummyObjectOutputStream(); + } + + public void executeCall() throws Exception + { + byte returncode; + ObjectInput oin; + + // signal the call when constructing + try + { + DataOutputStream dout = conn.getDataOutputStream(); + dout.write(MESSAGE_CALL); + + oout = conn.startObjectOutputStream(); // (re)start ObjectOutputStream + objid.write(oout); + oout.writeInt(opnum); + oout.writeLong(hash); + } + catch(IOException ex) + { + throw new MarshalException("Try to write header but failed.", ex); + } + + try + { + releaseOutputStream(); + DataInputStream din = conn.getDataInputStream(); + if (din.readByte() != MESSAGE_CALL_ACK) + throw new RemoteException("Call not acked"); + + oin = startInputStream(); + returncode = oin.readByte(); + UID.read(oin); + } + catch(IOException ex) + { + throw new UnmarshalException("Try to read header but failed:", ex); + } + + //check return code + switch(returncode) + { + case RETURN_ACK: //it's ok + return; + case RETURN_NACK: + Object returnobj; + try + { + returnobj = oin.readObject(); + } + catch(Exception ex2) + { + throw new UnmarshalException + ("Try to read exception object but failed", ex2); + } + + if(!(returnobj instanceof Exception)) + throw new UnmarshalException("Should be Exception type here: " + + returnobj); + throw (Exception)returnobj; + + default: + throw new UnmarshalException("Invalid return code"); + } + } + + public void done() throws IOException + { + // conn.disconnect(); + } + + boolean isReturnValue() + { + return vec.size() > 0; + } + + Object returnValue() + { + // This is not the first one (Boolean) but the second. + return vec.elementAt(1); + } + + Object[] getArguments() + { + return vec.toArray(); + } + + Object getObject() + { + return object; + } + + int getOpnum() + { + return opnum; + } + + long getHash() + { + return hash; + } + + void setReturnValue(Object obj) + { + vec.removeAllElements(); + vec.addElement(obj); + } + + /** + * Dummy object output class. + */ + private class DummyObjectOutputStream implements ObjectOutput + { + /** + * Non-private constructor to reduce bytecode emitted. + */ + DummyObjectOutputStream() + { + } + + public void writeBoolean(boolean v) throws IOException + { + vec.addElement(Boolean.TRUE); + vec.addElement(Boolean.valueOf(v)); + } + + public void writeByte(int v) throws IOException + { + vec.addElement(Boolean.TRUE); + vec.addElement(new Byte((byte) v)); + } + + public void writeChar(int v) throws IOException + { + vec.addElement(Boolean.TRUE); + vec.addElement(new Character((char) v)); + } + + public void writeDouble(double v) throws IOException + { + vec.addElement(Boolean.TRUE); + vec.addElement(new Double(v)); + } + + public void writeFloat(float v) throws IOException + { + vec.addElement(Boolean.TRUE); + vec.addElement(new Float(v)); + } + + public void writeInt(int v) throws IOException + { + vec.addElement(Boolean.TRUE); + vec.addElement(new Integer(v)); + } + + public void writeLong(long v) throws IOException + { + vec.addElement(Boolean.TRUE); + vec.addElement(new Long(v)); + } + + public void writeShort(int v) throws IOException + { + vec.addElement(Boolean.TRUE); + vec.addElement(new Short((short) v)); + } + + public void writeObject(Object obj) throws IOException + { + vec.addElement(Boolean.FALSE); + vec.addElement(obj); + } + + public void write(byte b[]) throws IOException + { + throw new IOException("not required"); + } + + public void write(byte b[], int off, int len) throws IOException + { + throw new IOException("not required"); + } + + public void write(int b) throws IOException + { + throw new IOException("not required"); + } + + public void writeBytes(String s) throws IOException + { + throw new IOException("not required"); + } + + public void writeChars(String s) throws IOException + { + throw new IOException("not required"); + } + + public void writeUTF(String str) throws IOException + { + throw new IOException("not required"); + } + + public void flush() throws IOException + { + } + + public void close() throws IOException + { + } + } // class DummyObjectOutputStream + + /** + * Dummy object input class. + */ + private class DummyObjectInputStream implements ObjectInput + { + /** + * Non-private constructor to reduce bytecode emitted. + */ + DummyObjectInputStream() + { + } + + public boolean readBoolean() throws IOException + { + Object obj = vec.elementAt(ptr++); + return ((Boolean) obj).booleanValue(); + } + + public byte readByte() throws IOException + { + Object obj = vec.elementAt(ptr++); + return ((Byte) obj).byteValue(); + } + + public char readChar() throws IOException + { + Object obj = vec.elementAt(ptr++); + return ((Character) obj).charValue(); + } + + public double readDouble() throws IOException + { + Object obj = vec.elementAt(ptr++); + return ((Double) obj).doubleValue(); + } + + public float readFloat() throws IOException + { + Object obj = vec.elementAt(ptr++); + return ((Float) obj).floatValue(); + } + + public int readInt() throws IOException + { + Object obj = vec.elementAt(ptr++); + return ((Integer) obj).intValue(); + } + + public long readLong() throws IOException + { + Object obj = vec.elementAt(ptr++); + return ((Long) obj).longValue(); + } + + public short readShort() throws IOException + { + Object obj = vec.elementAt(ptr++); + return ((Short) obj).shortValue(); + } + + public Object readObject() throws IOException + { + return vec.elementAt(ptr++); + } + + public int read(byte b[]) throws IOException + { + throw new IOException("not required"); + } + + public int read(byte b[], int off, int len) throws IOException + { + throw new IOException("not required"); + } + + public int read() throws IOException + { + throw new IOException("not required"); + } + + public long skip(long n) throws IOException + { + throw new IOException("not required"); + } + + public int available() throws IOException + { + throw new IOException("not required"); + } + + public void readFully(byte b[]) throws IOException + { + throw new IOException("not required"); + } + + public void readFully(byte b[], int off, int len) throws IOException + { + throw new IOException("not required"); + } + + public String readLine() throws IOException + { + throw new IOException("not required"); + } + + public String readUTF() throws IOException + { + throw new IOException("not required"); + } + + public int readUnsignedByte() throws IOException + { + throw new IOException("not required"); + } + + public int readUnsignedShort() throws IOException + { + throw new IOException("not required"); + } + + public int skipBytes(int n) throws IOException + { + throw new IOException("not required"); + } + + public void close() throws IOException + { + } + } // class DummyObjectInputStream + +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRemoteStub.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRemoteStub.java new file mode 100644 index 000000000..87e932de5 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRemoteStub.java @@ -0,0 +1,50 @@ +/* UnicastRemoteStub.java -- + Copyright (c) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package gnu.java.rmi.server; + +import java.rmi.server.RemoteRef; +import java.rmi.server.RemoteStub; + +public class UnicastRemoteStub + extends RemoteStub { + +public static void setStubRef(RemoteStub stub, RemoteRef ref) { + setRef(stub, ref); +} + +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastServer.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastServer.java new file mode 100644 index 000000000..7fe539546 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastServer.java @@ -0,0 +1,321 @@ +/* UnicastServer.java -- + Copyright (c) 1996, 1997, 1998, 1999, 2002, 2004 + Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import gnu.java.rmi.dgc.DGCImpl; +import gnu.java.util.WeakIdentityHashMap; + +import java.io.DataOutputStream; +import java.io.IOException; +import java.io.ObjectInputStream; +import java.io.ObjectOutputStream; +import java.rmi.NoSuchObjectException; +import java.rmi.Remote; +import java.rmi.RemoteException; +import java.rmi.ServerError; +import java.rmi.activation.ActivationException; +import java.rmi.activation.ActivationID; +import java.rmi.server.ObjID; +import java.rmi.server.UID; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.Hashtable; +import java.util.Iterator; +import java.util.Map; +import java.util.WeakHashMap; + +public class UnicastServer + implements ProtocolConstants +{ + + /** + * Mapping OBJID to server ref by .equals(). + */ + static private Map objects = Collections.synchronizedMap(new WeakHashMap()); + + /** + * Mapping obj itself to server ref by identity. + */ + static private Map refcache = Collections.synchronizedMap(new WeakIdentityHashMap()); + + /** + * Mapping the registered activatable objects into they server references. + */ + public static Map actIds = new Hashtable(); + + /** + * The reference to the local distributed garbage collector. + */ + static private DGCImpl dgc; + + /** + * Connect this server reference to the server, allowing the local + * implementation, associated with this object, to receive remote calls. + * + * @param obj the server reference, encloses the (usually local) remote + * object. + */ + public static void exportObject(UnicastServerRef obj) + { + startDGC(); + objects.put(obj.objid, obj); + refcache.put(obj.myself, obj); + obj.manager.startServer(); + } + + /** + * Register the activatable object into the table of the activatable + * objects. + */ + public static void registerActivatable(ActivatableServerRef ref) + { + actIds.put(ref.actId, ref); + } + + /** + * Export tha activatable object. The object id is placed into the map, + * but the object itself not. This is enough to deliver call to + * the ref.incomingMessageCall where the object will be instantiated, + * if not present. + */ + public static void exportActivatableObject(ActivatableServerRef ref) + { + startDGC(); + objects.put(ref.objid, ref); + ref.manager.startServer(); + actIds.put(ref.actId, ref); + } + + + /** + * Get the activatable server reference that is handling activation of the + * given activation id. + */ + public static ActivatableServerRef getActivatableRef(ActivationID id) + throws ActivationException + { + ActivatableServerRef ref = (ActivatableServerRef) actIds.get(id); + if (ref == null) + throw new ActivationException(id + " was not registered with this server"); + return ref; + } + + /** + * Unregister the previously registered activatable server reference. + */ + public static void unregisterActivatable(ActivationID id) + { + actIds.remove(id); + } + + // FIX ME: I haven't handle force parameter + /** + * Remove the given server reference. The remote object, associated with + * this reference, will no longer receive remote calls via this server. + */ + public static boolean unexportObject(UnicastServerRef obj, boolean force) + { + objects.remove(obj.objid); + refcache.remove(obj.myself); + obj.manager.stopServer(); + + if (obj instanceof ActivatableServerRef) + { + ActivationID id = ((ActivatableServerRef) obj).actId; + unregisterActivatable(id); + } + return true; + } + + /** + * Get the exported reference of the given Remote. The identity map is used, + * the non-null value will only be returned if exactly the passed remote + * is part of the registered UnicastServerRef. + * + * @param remote the Remote that is connected to this server via + * {@link UnicastServerRef}. + * + * @return the UnicastServerRef that is used to connect the passed + * remote with this server or null, if this Remote is not connected + * to this server. + */ + public static UnicastServerRef getExportedRef(Remote remote) + { + return (UnicastServerRef) refcache.get(remote); + } + + /** + * Get the server references to the object, previously exported via this + * server. As the identity map is scanned, more than one reference may match + * this Id. + * + * @param id the id of the exported object + * @return the server reference to this object, null if none. + */ + public static Collection getExported(Object id) + { + synchronized (objects) + { + ArrayList list = new ArrayList(); + Iterator iter = objects.entrySet().iterator(); + Map.Entry e; + Object key; + while (iter.hasNext()) + { + e = (Map.Entry) iter.next(); + key = e.getKey(); + if (key != null && key.equals(id)) + list.add(e.getValue()); + } + return list; + } + } + + private static synchronized void startDGC() + { + if (dgc == null) + { + try + { + dgc = new DGCImpl(); + // Changed DGCImpl to inherit UnicastServerRef directly + // ((UnicastServerRef)dgc.getRef()).exportObject(dgc); + dgc.exportObject(dgc); + } + catch (RemoteException e) + { + e.printStackTrace(); + } + } + } + + public static void dispatch(UnicastConnection conn) throws Exception + { + switch (conn.getDataInputStream().readUnsignedByte()) + { + case MESSAGE_CALL: + incomingMessageCall(conn); + break; + case MESSAGE_PING: + // jdk sends a ping before each method call -> answer it! + DataOutputStream out = conn.getDataOutputStream(); + out.writeByte(MESSAGE_PING_ACK); + out.flush(); + break; + default: + throw new Exception("bad method type"); + } + } + + /** + * This method is invoked when the remote call is received. The method + * dispatches the call to the responsible object, connected to this + * server via UnicastServerReference. + */ + private static void incomingMessageCall(UnicastConnection conn) + throws IOException + { + ObjectInputStream in = conn.startObjectInputStream(); // (re)start + // ObjectInputStream + + ObjID objid = ObjID.read(in); + int method = in.readInt(); + long hash = in.readLong(); + + // System.out.println("ObjID: " + objid + ", method: " + method + ", hash: " + // + hash); + + // Use the objid to locate the relevant UnicastServerRef + UnicastServerRef uref = (UnicastServerRef) objects.get(objid); + Object returnval; + int returncode = RETURN_ACK; + // returnval is from Method.invoke(), so we must check the return class to + // see + // if it's primitive type + Class returncls = null; + if (uref != null) + { + try + { + // Dispatch the call to it. + returnval = uref.incomingMessageCall(conn, method, hash); + returncls = uref.getMethodReturnType(method, hash); + } + catch (Exception e) + { + returnval = e; + returncode = RETURN_NACK; + } + catch (Error e) + { + returnval = new ServerError( + "Server error, ObjID: " + objid + + ", method: " + method + ", hash: "+ hash, e); + returncode = RETURN_NACK; + } + } + else + { + returnval = new NoSuchObjectException("ObjID: " + objid); + returncode = RETURN_NACK; + } + + conn.getDataOutputStream().writeByte(MESSAGE_CALL_ACK); + + ObjectOutputStream out = conn.startObjectOutputStream(); // (re)start + // ObjectOutputStream + + out.writeByte(returncode); + (new UID()).write(out); + + // System.out.println("returnval=" + returnval + " returncls=" + returncls); + + if (returnval != null && returncls != null) + ((RMIObjectOutputStream) out).writeValue(returnval, returncls); + + // 1.1/1.2 void return type detection: + else if (! (returnval instanceof RMIVoidValue || returncls == Void.TYPE)) + out.writeObject(returnval); + + out.flush(); + } + +} diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastServerRef.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastServerRef.java new file mode 100644 index 000000000..2f7cb9a2d --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastServerRef.java @@ -0,0 +1,483 @@ +/* UnicastServerRef.java -- + Copyright (c) 1996, 1997, 1998, 1999, 2002, 2003, 2004, 2006 + Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.rmi.server; + +import java.io.ObjectInputStream; +import java.lang.reflect.Constructor; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; +import java.rmi.Remote; +import java.rmi.RemoteException; +import java.rmi.server.ObjID; +import java.rmi.server.RMIServerSocketFactory; +import java.rmi.server.RemoteObjectInvocationHandler; +import java.rmi.server.RemoteRef; +import java.rmi.server.RemoteServer; +import java.rmi.server.RemoteStub; +import java.rmi.server.ServerNotActiveException; +import java.rmi.server.Skeleton; +import java.util.HashSet; +import java.util.Hashtable; +import java.util.Iterator; + +/** + * This class connects the local, remotely available (exported) object to + * the local RMI server that accepts the remote calls. + */ +public class UnicastServerRef + extends UnicastRef +{ + + /** + * Use GNU Classpath v 0.20 SVUID for interoperability + */ + private static final long serialVersionUID = - 5585608108300801246L; + + /** + * The class array, defining parameters of the jdk 1.2 RMI stub constructor. + */ + private static final Class[] stubprototype = new Class[] { RemoteRef.class }; + + /** + * The exported remote object itself. + */ + Remote myself; // save the remote object itself + + /** + * The skeleton (if any), associated with the exported remote object. + */ + protected Skeleton skel; + + /** + * The stub, associated with the exported remote object (may be proxy class). + */ + protected Remote stub; + + /** + * The method table (RMI hash code to method) of the methods of the + * exported object. + */ + protected Hashtable methods = new Hashtable(); + + /** + * Used by serialization. + */ + UnicastServerRef() + { + } + + public UnicastServerRef(ObjID id, int port, RMIServerSocketFactory ssf) + throws RemoteException + { + super(id); + manager = UnicastConnectionManager.getInstance(port, ssf); + } + + /** + * Export the object and return its remote stub. The method tries to locate + * existing stubs and skeletons. If this fails, the method instantiates the + * proxy stub class. + * + * Stubs and skeletons are always ignored (even if present) if the + * java.rmi.server.ignoreStubClasses property is set to true. + * + * @param obj the object being exported. + * @return the stub (existing class or proxy) of the exported object. + * @throws RemoteException if the export failed due any reason + */ + public Remote exportObject(Remote obj) throws RemoteException + { + if (myself == null) + { + myself = obj; + // Save it to server manager, to let client calls in the same VM to + // issue local call + manager.serverobj = obj; + + String ignoreStubs; + + ClassLoader loader =obj.getClass().getClassLoader(); + + // Stubs are always searched for the bootstrap classes that may have + // obsolete pattern and may still need also skeletons. + if (loader==null) + ignoreStubs = "false"; + else + ignoreStubs = System.getProperty("java.rmi.server.ignoreStubClasses", + "false"); + + if (! ignoreStubs.equals("true")) + { + // Find and install the stub + Class cls = obj.getClass(); + + // where ist the _Stub? (check superclasses also) + Class expCls = findStubSkelClass(cls); + + if (expCls != null) + { + stub = (RemoteStub) getHelperClass(expCls, "_Stub"); + // Find and install the skeleton (if there is one) + skel = (Skeleton) getHelperClass(expCls, "_Skel"); + } + } + + if (stub == null) + stub = createProxyStub(obj.getClass(), this); + + // Build hash of methods which may be called. + buildMethodHash(obj.getClass(), true); + + // Export it. + UnicastServer.exportObject(this); + } + + return stub; + } + + /** + * Get the stub (actual class or proxy) of the exported remote object. + * + * @return the remote stub (null if exportObject has not been called). + */ + public Remote getStub() + { + return stub; + } + + /** + * Unexport the object (remove methods from the method hashcode table + * and call UnicastServer.unexportObject. + * + * @param obj the object being unexported + * @param force passed to the UnicastServer.unexportObject. + * @return value, returned by the UnicastServer.unexportObject. + */ + public boolean unexportObject(Remote obj, boolean force) + { + // Remove all hashes of methods which may be called. + buildMethodHash(obj.getClass(), false); + return UnicastServer.unexportObject(this, force); + } + + /** + * Return the class in the hierarchy for that the stub class is defined. + * The Subs/Skels might not there for the actual class, but maybe for one of + * the superclasses. + * + * @return the class having stub defined, null if none. + */ + protected Class findStubSkelClass(Class startCls) + { + Class cls = startCls; + + while (true) + { + try + { + String stubClassname = cls.getName() + "_Stub"; + ClassLoader cl = cls.getClassLoader(); + Class scls = cl == null ? Class.forName(stubClassname) + : cl.loadClass(stubClassname); + return cls; // found it + } + catch (ClassNotFoundException e) + { + Class superCls = cls.getSuperclass(); + if (superCls == null + || superCls == java.rmi.server.UnicastRemoteObject.class) + { + return null; + } + cls = superCls; + } + } + } + + /** + * Get the helper (assisting) class with the given type. + * + * @param cls the class, for that the helper class is requested. This class + * and the requested helper class must share the same class loader. + * + * @param type the type of the assisting helper. The only currently supported + * non deprecated value is "_Stub" (load jdk 1.1 or 1.2 RMI stub). Another + * (deprecated) value is "_Skel" (load skeleton). + * + * @return the instantiated instance of the helper class or null if the + * helper class cannot be found or instantiated. + */ + protected Object getHelperClass(Class cls, String type) + { + try + { + String classname = cls.getName(); + ClassLoader cl = cls.getClassLoader(); + Class scls = cl == null ? Class.forName(classname + type) + : cl.loadClass(classname + type); + if (type.equals("_Stub")) + { + try + { + // JDK 1.2 stubs + Constructor con = scls.getConstructor(stubprototype); + return (con.newInstance(new Object[] { this })); + } + catch (NoSuchMethodException e) + { + } + catch (InstantiationException e) + { + } + catch (IllegalAccessException e) + { + } + catch (IllegalArgumentException e) + { + } + catch (InvocationTargetException e) + { + } + // JDK 1.1 stubs + RemoteStub stub = (RemoteStub) scls.newInstance(); + UnicastRemoteStub.setStubRef(stub, this); + return (stub); + } + else + { + // JDK 1.1 skel + return (scls.newInstance()); + } + } + catch (ClassNotFoundException e) + { + } + catch (InstantiationException e) + { + } + catch (IllegalAccessException e) + { + } + return (null); + } + + public String getClientHost() throws ServerNotActiveException + { + return RemoteServer.getClientHost(); + } + + /** + * Build the method has code table and put it into {@link #methods} + * (mapping RMI hashcode tos method). The same method is used to remove + * the table. + * + * @param cls the class for that the method table is built. + * @param build if true, the class methods are added to the table. If + * false, they are removed from the table. + */ + protected void buildMethodHash(Class cls, boolean build) + { + Method[] meths = cls.getMethods(); + for (int i = 0; i < meths.length; i++) + { + /* Don't need to include any java.xxx related stuff */ + if (meths[i].getDeclaringClass().getName().startsWith("java.")) + { + continue; + } + long hash = RMIHashes.getMethodHash(meths[i]); + if (build) + methods.put(new Long(hash), meths[i]); + else + methods.remove(new Long(hash)); + // System.out.println("meth = " + meths[i] + ", hash = " + hash); + } + } + + Class getMethodReturnType(int method, long hash) throws Exception + { + if (method == - 1) + { + Method meth = (Method) methods.get(new Long(hash)); + return meth.getReturnType(); + } + else + return null; + } + + /** + * This method is called from the {@link UnicastServer#incomingMessageCall} + * to deliver the remote call to this object. + */ + public Object incomingMessageCall(UnicastConnection conn, int method, + long hash) throws Exception + { + // System.out.println("method = " + method + ", hash = " + hash); + // If method is -1 then this is JDK 1.2 RMI - so use the hash + // to locate the method + if (method == - 1) + { + Method meth = (Method) methods.get(new Long(hash)); + // System.out.println("class = " + myself.getClass() + ", meth = " + + // meth); + if (meth == null) + { + throw new NoSuchMethodException( + myself.getClass().getName()+" hash "+hash); + } + + ObjectInputStream in = conn.getObjectInputStream(); + int nrargs = meth.getParameterTypes().length; + Object[] args = new Object[nrargs]; + for (int i = 0; i < nrargs; i++) + { + /** + * For debugging purposes - we don't handle CodeBases quite right so + * we don't always find the stubs. This lets us know that. + */ + try + { + // need to handle primitive types + args[i] = ((RMIObjectInputStream) in) + .readValue(meth.getParameterTypes()[i]); + + } + catch (Exception t) + { + t.printStackTrace(); + throw t; + } + } + //We must reinterpret the exception thrown by meth.invoke() + //return (meth.invoke(myself, args)); + Object ret = null; + try + { + ret = meth.invoke(myself, args); + } + catch (InvocationTargetException e) + { + Throwable cause = e.getTargetException(); + if (cause instanceof Exception) + { + throw (Exception) cause; + } + else if (cause instanceof Error) + { + throw (Error) cause; + } + else + { + throw new Error( + "The remote method threw a java.lang.Throwable that"+ + " is neither java.lang.Exception nor java.lang.Error.", + e); + } + } + return ret; + } + // Otherwise this is JDK 1.1 style RMI - we find the skeleton + // and invoke it using the method number. We wrap up our + // connection system in a UnicastRemoteCall so it appears in a + // way the Skeleton can handle. + else + { + if (skel == null) + throw new NoSuchMethodException("JDK 1.1 call - Skeleton required"); + + UnicastRemoteCall call = new UnicastRemoteCall(conn); + skel.dispatch(myself, call, method, hash); + if (! call.isReturnValue()) + return RMIVoidValue.INSTANCE; + else + return (call.returnValue()); + } + } + + /** + * Create the 1.2 proxy stub in the case when the pre-generated stub is not + * available of the system is explicitly instructed to use proxy stubs. + * + * @param stubFor the class for that the proxy class must be constructed. + * @param reference the remote reference, used to find the given object + * + * @return the applicable proxy stub. + * + * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) + */ + Remote createProxyStub(Class stubFor, RemoteRef reference) + { + // Collect all interfaces, implemented by stubFor and derived from + // Remote (also Remote itself): + HashSet interfaces = new HashSet(); + Class c = stubFor; + Class[] intfs; + + while (c != null) + { + intfs = c.getInterfaces(); + for (int i = 0; i < intfs.length; i++) + { + if (Remote.class.isAssignableFrom(intfs[i])) + interfaces.add(intfs[i]); + } + c = c.getSuperclass(); + } + + intfs = new Class[interfaces.size()]; + Iterator it = interfaces.iterator(); + + for (int i = 0; i < intfs.length; i++) + intfs[i] = (Class) it.next(); + + RemoteObjectInvocationHandler handler = + new RemoteObjectInvocationHandler(reference); + + Object proxy = + Proxy.newProxyInstance(stubFor.getClassLoader(), intfs, handler); + + return (Remote) proxy; + } + + +} + + diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/package.html b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/package.html new file mode 100644 index 000000000..08c105b49 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/package.html @@ -0,0 +1,46 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> +<!-- package.html - describes classes in gnu.java.rmi.server package. + Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. --> + +<html> +<head><title>GNU Classpath - gnu.java.rmi.server</title></head> + +<body> +<p></p> + +</body> +</html> |