From d74732f5cd87b68aed10ea3fcfcb24171b9f5d67 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Tue, 1 Oct 2002 03:46:43 +0000 Subject: ObjectInputStream.java (resolveProxyClass): New method from Classpath. * java/io/ObjectInputStream.java (resolveProxyClass): New method from Classpath. * Makefile.in: Rebuilt. * Makefile.am (rmi_java_source_files): Added new files. * gnu/java/rmi/RMIMarshalledObjectInputStream.java, gnu/java/rmi/RMIMarshalledObjectOutputStream.java, gnu/java/rmi/server/ConnectionRunnerPool.java: New files from Classpath. * gnu/java/rmi/dgc/DGCImpl.java, gnu/java/rmi/dgc/DGCImpl_Skel.java, gnu/java/rmi/dgc/DGCImpl_Stub.java, gnu/java/rmi/registry/RegistryImpl_Skel.java, gnu/java/rmi/registry/RegistryImpl_Stub.java, gnu/java/rmi/server/RMIHashes.java, gnu/java/rmi/server/RMIObjectInputStream.java, gnu/java/rmi/server/RMIObjectOutputStream.java, gnu/java/rmi/server/UnicastConnection.java, gnu/java/rmi/server/UnicastConnectionManager.java, gnu/java/rmi/server/UnicastRef.java, gnu/java/rmi/server/UnicastServer.java, gnu/java/rmi/server/UnicastServerRef.java, java/rmi/MarshalledObject.java, java/rmi/server/RMIClassLoader.java, java/rmi/server/RemoteObject.java, java/rmi/server/UnicastRemoteObject.java, java/security/SecureClassLoader.java: Merged from Classpath. From-SVN: r57675 --- .../gnu/java/rmi/server/ConnectionRunnerPool.java | 154 +++++++++++++++++++++ 1 file changed, 154 insertions(+) create mode 100644 libjava/gnu/java/rmi/server/ConnectionRunnerPool.java (limited to 'libjava/gnu/java/rmi/server/ConnectionRunnerPool.java') diff --git a/libjava/gnu/java/rmi/server/ConnectionRunnerPool.java b/libjava/gnu/java/rmi/server/ConnectionRunnerPool.java new file mode 100644 index 0000000..df6363b --- /dev/null +++ b/libjava/gnu/java/rmi/server/ConnectionRunnerPool.java @@ -0,0 +1,154 @@ +/* gnu.java.rmi.server.ConnectionRunnerPool + Copyright (C) 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., 59 Temple Place, Suite 330, Boston, MA +02111-1307 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(); + } + + } + + private static int size = 5; + private static int max_size = 10; + + private 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, new Integer(i).toString()); + 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 synchronized static ConnectionRunner getConnectionRunner() + { + if(freelist.size() == 0){ + if(size < max_size){ + ++size; + ConnectionRunner a = new ConnectionRunner(group, new Integer(size).toString()); + 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(); + } + +} -- cgit v1.1