Revamped "persona selection" support. Things now actually work, and in as

sensible a way as we can hope for.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1717 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
2002-09-19 23:36:59 +00:00
parent 0df0ec348d
commit ba4985053f
10 changed files with 301 additions and 135 deletions
@@ -1,5 +1,5 @@
//
// $Id: Client.java,v 1.28 2002/08/14 19:07:54 mdb Exp $
// $Id: Client.java,v 1.29 2002/09/19 23:36:59 mdb Exp $
package com.threerings.presents.client;
@@ -333,20 +333,7 @@ public class Client
protected void clockDeltaEstablished ()
{
// initialize our invocation director
ResultListener rl = new ResultListener() {
public void requestCompleted (Object result) {
// keep this around
_clobj = (ClientObject)result;
// let the client know that logon has now fully succeeded
notifyObservers(Client.CLIENT_DID_LOGON, null);
}
public void requestFailed (Exception cause) {
// pass the buck onto the listeners
notifyObservers(Client.CLIENT_FAILED_TO_LOGON, cause);
}
};
_invdir.init(_comm.getDObjectManager(), _cloid, rl);
_invdir.init(_comm.getDObjectManager(), _cloid, this);
// we can't quite call initialization completed at this point
// because we need for the invocation director to fully initialize
@@ -354,6 +341,42 @@ public class Client
// client loose to do things like request invocation services
}
/**
* Called by the invocation director when it successfully subscribes
* to the client object immediately following logon.
*/
protected void gotClientObject (ClientObject clobj)
{
// keep this around
_clobj = clobj;
// let the client know that logon has now fully succeeded
notifyObservers(Client.CLIENT_DID_LOGON, null);
}
/**
* Called by the invocation director if it fails to subscribe to the
* client object after logon.
*/
protected void getClientObjectFailed (Exception cause)
{
// pass the buck onto the listeners
notifyObservers(Client.CLIENT_FAILED_TO_LOGON, cause);
}
/**
* Called by the invocation director when it discovers that the client
* object has changed.
*/
protected void clientObjectDidChange (ClientObject clobj)
{
// slip the new client object into the business
_clobj = clobj;
// report to our observers
notifyObservers(Client.CLIENT_OBJECT_CHANGED, null);
}
boolean notifyObservers (int code, Exception cause)
{
final Notifier noty = new Notifier(code, cause);
@@ -365,8 +388,11 @@ public class Client
}
};
// we need to run immediately if this is WILL_LOGOFF
if (code == CLIENT_WILL_LOGOFF) {
// we need to run immediately if this is WILL_LOGOFF or if we have
// no invoker (which currently only happens in some really obscure
// circumstances where we're using a Client instance on the server
// so that we can sort of pretend to be a real client)
if (code == CLIENT_WILL_LOGOFF || _invoker == null) {
unit.run();
return noty.getRejected();
@@ -475,6 +501,12 @@ public class Client
}
break;
case CLIENT_OBJECT_CHANGED:
if (obs instanceof ClientObserver) {
((ClientObserver)obs).clientObjectDidChange(Client.this);
}
break;
case CLIENT_CONNECTION_FAILED:
if (obs instanceof ClientObserver) {
((ClientObserver)obs).clientConnectionFailed(
@@ -554,7 +586,8 @@ public class Client
// client observer codes
static final int CLIENT_DID_LOGON = 0;
static final int CLIENT_FAILED_TO_LOGON = 1;
static final int CLIENT_CONNECTION_FAILED = 2;
static final int CLIENT_WILL_LOGOFF = 3;
static final int CLIENT_DID_LOGOFF = 4;
static final int CLIENT_OBJECT_CHANGED = 2;
static final int CLIENT_CONNECTION_FAILED = 3;
static final int CLIENT_WILL_LOGOFF = 4;
static final int CLIENT_DID_LOGOFF = 5;
}
@@ -1,5 +1,5 @@
//
// $Id: ClientAdapter.java,v 1.3 2001/10/11 04:07:52 mdb Exp $
// $Id: ClientAdapter.java,v 1.4 2002/09/19 23:36:59 mdb Exp $
package com.threerings.presents.client;
@@ -24,6 +24,11 @@ public class ClientAdapter implements ClientObserver
{
}
// documentation inherited from interface
public void clientObjectDidChange (Client client)
{
}
// documentation inherited
public void clientConnectionFailed (Client client, Exception cause)
{
@@ -1,5 +1,5 @@
//
// $Id: ClientObserver.java,v 1.5 2002/05/16 18:17:27 shaper Exp $
// $Id: ClientObserver.java,v 1.6 2002/09/19 23:36:59 mdb Exp $
package com.threerings.presents.client;
@@ -43,6 +43,14 @@ public interface ClientObserver extends SessionObserver
*/
public void clientFailedToLogon (Client client, Exception cause);
/**
* For systems that allow switching screen names after logon, this
* method is called whenever a screen name change takes place to
* report that the client object has been replaced to potential
* client-side subscribers.
*/
public void clientObjectDidChange (Client client);
/**
* Called when the connection to the server went away for some
* unexpected reason. This will be followed by a call to
@@ -1,5 +1,5 @@
//
// $Id: InvocationDirector.java,v 1.21 2002/08/14 19:07:54 mdb Exp $
// $Id: InvocationDirector.java,v 1.22 2002/09/19 23:36:59 mdb Exp $
package com.threerings.presents.client;
@@ -20,10 +20,12 @@ import com.threerings.presents.data.InvocationMarshaller;
import com.threerings.presents.dobj.DEvent;
import com.threerings.presents.dobj.DObject;
import com.threerings.presents.dobj.DObjectManager;
import com.threerings.presents.dobj.DSet;
import com.threerings.presents.dobj.EventListener;
import com.threerings.presents.dobj.InvocationNotificationEvent;
import com.threerings.presents.dobj.InvocationRequestEvent;
import com.threerings.presents.dobj.InvocationResponseEvent;
import com.threerings.presents.dobj.MessageEvent;
import com.threerings.presents.dobj.ObjectAccessException;
import com.threerings.presents.dobj.Subscriber;
@@ -41,25 +43,22 @@ public class InvocationDirector
* manager will send and receive events.
* @param cloid the oid of the object on which invocation
* notifications as well as invocation responses will be received.
* @param initListener a result listener that will be notified when
* the invocation director is up and running (meaning it has
* subscribed successfully to the client object and is ready to
* process invocation requests); or when initialization has failed.
* @param client a reference to the client for whom we're doing our
* business.
*/
public void init (DObjectManager omgr, final int cloid,
final ResultListener initListener)
public void init (DObjectManager omgr, final int cloid, Client client)
{
// keep this for later
// keep these for later
_omgr = omgr;
_client = client;
// add ourselves as a subscriber to the client object
_omgr.subscribeToObject(cloid, new Subscriber() {
public void objectAvailable (DObject object)
{
public void objectAvailable (DObject object) {
// keep a handle on this bad boy
_clobj = (ClientObject)object;
// add ourselves as a message listener
// add ourselves as an event listener
_clobj.addListener(InvocationDirector.this);
// assign a mapping to already registered receivers
@@ -67,16 +66,16 @@ public class InvocationDirector
// let the client know that we're ready to go now that
// we've got our subscription to the client object
initListener.requestCompleted(object);
_client.gotClientObject(_clobj);
}
public void requestFailed (int oid, ObjectAccessException cause)
{
public void requestFailed (int oid, ObjectAccessException cause) {
// aiya! we were unable to subscribe to the client object.
// we're hosed, hosed, hosed
Log.warning("Invocation director unable to subscribe to " +
"client object [cloid=" + cloid + "]!");
initListener.requestFailed(cause);
"client object [cloid=" + cloid +
", cause=" + cause + "]!");
_client.getClientObjectFailed(cause);
}
});
}
@@ -215,6 +214,13 @@ public class InvocationDirector
(InvocationNotificationEvent)event;
handleInvocationNotification(
ine.getReceiverId(), ine.getMethodId(), ine.getArgs());
} else if (event instanceof MessageEvent) {
MessageEvent mevt = (MessageEvent)event;
if (mevt.getName().equals(ClientObject.CLOBJ_CHANGED)) {
handleClientObjectChanged(
((Integer)mevt.getArgs()[0]).intValue());
}
}
}
@@ -283,6 +289,49 @@ public class InvocationDirector
}
/**
* Called when the server has informed us that our previous client
* object is going the way of the Dodo because we're changing screen
* names. We subscribe to the new object and report to the client once
* we've got our hands on it.
*/
protected void handleClientObjectChanged (int newCloid)
{
// subscribe to the new client object
_omgr.subscribeToObject(newCloid, new Subscriber() {
public void objectAvailable (DObject object) {
// grab a reference to our old receiver registrations
DSet receivers = _clobj.receivers;
// replace the client object
_clobj = (ClientObject)object;
// add ourselves as an event listener
_clobj.addListener(InvocationDirector.this);
// reregister our receivers
try {
_clobj.startTransaction();
Iterator iter = receivers.entries();
while (iter.hasNext()) {
_clobj.addToReceivers((Registration)iter.next());
}
} finally {
_clobj.commitTransaction();
}
// and report the switcheroo back to the client
_client.clientObjectDidChange(_clobj);
}
public void requestFailed (int oid, ObjectAccessException cause) {
Log.warning("Aiya! Unable to subscribe to changed " +
"client object [cloid=" + oid +
", cause=" + cause + "].");
}
});
}
/**
* Used to generate monotonically increasing invocation request ids.
*/
protected synchronized short nextRequestId ()
@@ -301,6 +350,9 @@ public class InvocationDirector
/** The distributed object manager with which we interact. */
protected DObjectManager _omgr;
/** The client for whom we're working. */
protected Client _client;
/** Our client object; invocation responses and notifications are
* received on this object. */
protected ClientObject _clobj;