/**************************************************************************
* Copyright (c) 2001 by Punch Telematix. All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* 1. Redistributions of source code must retain the above copyright *
* notice, this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. Neither the name of Punch Telematix nor the names of *
* other contributors may be used to endorse or promote products *
* derived from this software without specific prior written permission.*
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. *
* IN NO EVENT SHALL PUNCH TELEMATIX OR OTHER CONTRIBUTORS BE LIABLE *
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF *
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, *
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE *
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN *
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
**************************************************************************/
package wonka.rmi;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.OutputStream;
import java.io.PushbackInputStream;
import java.net.Socket;
import java.rmi.AlreadyBoundException;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.rmi.server.ObjID;
class RMIRegistryRequest extends Thread implements RegistryConstants {
private Socket s;
private RegistryImpl registry;
RMIRegistryRequest(Socket s, RegistryImpl registry){
super("RMIRegistryRequest Thread "+s);
this.s = s;
try {
s.setSoLinger(true,30000);
}
catch(IOException ioe){}
this.registry = registry;
this.setDaemon(true);
this.start();
}
public void run(){
if(RMIConnection.DEBUG < 6) {System.out.println("Starting RegistryRequest to "+registry);}
OutputStream out = null;
try {
out = s.getOutputStream();
}
catch(IOException ioe){}
try {
RMIConnection.serverSideHandShake(s);
InputStream in = s.getInputStream();
DataInputStream din = new DataInputStream(in);
String address = din.readUTF();
if(RMIConnection.DEBUG < 6) {System.out.println("Address :"+address);}
int port = din.readInt();
if(RMIConnection.DEBUG < 6) {System.out.println("Port :"+port);}
while(true){
int type = din.read();
if(type == -1){
break;
}
if(RMIConnection.DEBUG < 6) {System.out.println("Reading resonse "+Integer.toHexString(type));}
if(type == RMIConstants.CALL){
ObjectInputStream oin = new RMIObjectInputStream(new PushbackInputStream(in));
//ObjID id =
ObjID.read(oin);
int operation = oin.readInt();
if(RMIConnection.DEBUG < 6) {System.out.println("Operation: "+operation);}
long hash = oin.readLong();
if(RMIConnection.DEBUG < 6) {System.out.println("Hash: "+hash+ " = ?= "+HASH);}
if(hash != HASH) {
//check: do we need to handle other request ???
if(RMIConnection.DEBUG < 9) {System.out.println("REGISTRY REQUEST - unknown hash "+hash);}
RMIConnection.writeException(out, "unkwown request");
}
else {
switch(operation){
case BIND:
case REBIND:
handleBind(oin, operation == REBIND);
break;
case LOOKUP:
String name = (String)oin.readObject();
if(RMIConnection.DEBUG < 6) {System.out.println("lookup Argument String: "+name);}
RMIConnection.writeResponse(out,registry.lookup(name));
break;
case LIST:
if(RMIConnection.DEBUG < 6) {System.out.println("listing registry");}
RMIConnection.writeResponse(out,registry.list());
break;
case UNBIND:
String remove = (String)oin.readObject();
if(RMIConnection.DEBUG < 6) {System.out.println("Unbind Argument String: "+remove);}
registry.unbind(remove);
RMIConnection.writeVoidResponse(out);
break;
default:
RMIConnection.writeException(out, "unkwown request");
}
}
}
else if(type == RMIConstants.PING){
out.write(RMIConstants.PING_ACK);
}
else {
RMIConnection.writeException(out, new RemoteException("invalid request"));
}
}
}
catch(RemoteException rt){
RMIConnection.writeException(out, rt);
}
catch(Exception e){
e.printStackTrace();
RMIConnection.wrapException(out, e);
}
finally{
try {
s.close();
} catch(IOException _){}
}
if(RMIConnection.DEBUG < 8) {System.out.println("RMIRegistryRequest finished !\n\n");}
}
private void handleBind(ObjectInputStream oin, boolean rebind) throws IOException, AlreadyBoundException, ClassNotFoundException {
String name = (String)oin.readObject();
if(RMIConnection.DEBUG < 6) {System.out.println("(RE)BIND Argument String: "+name);}
Remote stub = (Remote)oin.readObject();
if(RMIConnection.DEBUG < 6) {System.out.println("Argument RemoteStub: "+stub);}
if(rebind){
registry.rebind(name, stub);
}
else {
registry.bind(name, stub);
}
RMIConnection.writeVoidResponse(s.getOutputStream());
}
}