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Diffstat (limited to 'libjava/gnu/java/rmi/server/UnicastRef.java')
| -rw-r--r-- | libjava/gnu/java/rmi/server/UnicastRef.java | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/libjava/gnu/java/rmi/server/UnicastRef.java b/libjava/gnu/java/rmi/server/UnicastRef.java deleted file mode 100644 index c1b871fb8e5..00000000000 --- a/libjava/gnu/java/rmi/server/UnicastRef.java +++ /dev/null @@ -1,278 +0,0 @@ -/* UnicastRef.java -- - Copyright (c) 1996, 1997, 1998, 1999, 2002, 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.ObjectInputStream; -import java.io.ObjectOutput; -import java.io.ObjectOutputStream; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; -import java.rmi.Remote; -import java.rmi.RemoteException; -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 { - -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)); -} - -private Object invokeCommon(Remote obj, Method method, Object[] params, int opnum, long hash) throws Exception { - 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 - - 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 RemoteException("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"); - } -} - -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"); -} - -public String remoteToString() { - throw new Error("Not implemented"); -} - -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 _) { - } -} - -} |
