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The great invocation services rethink of 2002! Rearchitected the remote

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method invocation services and converted everything to the new style.
Could this be my biggest checkin ever?


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1642 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
2002-08-14 19:08:01 +00:00
parent 4481c5f835
commit e54a4d41f4
161 changed files with 6083 additions and 2805 deletions
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src/java/com/threerings/whirled/spot/server/SpotProvider.java
+104 -113
View File
@@ -1,123 +1,117 @@
//
// $Id: SpotProvider.java,v 1.12 2002/07/22 22:54:04 ray Exp $
// $Id: SpotProvider.java,v 1.13 2002/08/14 19:07:58 mdb Exp $
package com.threerings.whirled.spot.server;
import com.threerings.presents.data.ClientObject;
import com.threerings.presents.dobj.RootDObjectManager;
import com.threerings.presents.server.InvocationException;
import com.threerings.presents.server.InvocationManager;
import com.threerings.presents.server.InvocationProvider;
import com.threerings.presents.server.ServiceFailedException;
import com.threerings.crowd.data.BodyObject;
import com.threerings.crowd.data.PlaceConfig;
import com.threerings.crowd.data.PlaceObject;
import com.threerings.crowd.server.LocationProvider;
import com.threerings.crowd.server.PlaceRegistry;
import com.threerings.whirled.client.SceneService.SceneMoveListener;
import com.threerings.whirled.data.SceneModel;
import com.threerings.whirled.server.SceneManager;
import com.threerings.whirled.server.SceneRegistry;
import com.threerings.whirled.spot.Log;
import com.threerings.whirled.spot.client.SpotService.ChangeLocListener;
import com.threerings.whirled.spot.data.SpotCodes;
import com.threerings.whirled.spot.data.SpotOccupantInfo;
/**
* This class provides the server side of the spot services.
* Provides the server-side implementation of the spot services.
*/
public class SpotProvider extends InvocationProvider
implements SpotCodes
public class SpotProvider
implements SpotCodes, InvocationProvider
{
/**
* Constructs a spot provider and registers it with the invocation
* manager to handle spot services. This need be done by a server that
* wishes to make use of the Spot services.
* Creates a spot provider that can be registered with the invocation
* manager to handle spot services.
*/
public static void init (
InvocationManager invmgr, SceneRegistry screg, RootDObjectManager omgr)
public SpotProvider (RootDObjectManager omgr, PlaceRegistry plreg,
SceneRegistry screg)
{
// we'll need these later
_plreg = plreg;
_screg = screg;
_omgr = omgr;
// register a spot provider instance
invmgr.registerProvider(MODULE_NAME, new SpotProvider());
}
/**
* Processes a request from a client to traverse a portal.
*
* @param source the body object of the client making the request.
* @param invid the invocation service invocation id.
* @param sceneId the source scene id.
* @param portalId the portal in the source scene that is being
* traversed.
* @param sceneVer the version of the destination scene data that the
* client has cached.
* @param listener the entity to which we communicate our response.
*/
public void handleTraversePortalRequest (
BodyObject source, int invid, int sceneId, int portalId, int sceneVer)
public void traversePortal (ClientObject caller, int sceneId, int portalId,
int sceneVer, SceneMoveListener listener)
throws InvocationException
{
try {
// obtain the source scene
SpotSceneManager smgr = (SpotSceneManager)
_screg.getSceneManager(sceneId);
if (smgr == null) {
Log.warning("Traverse portal missing source scene " +
"[user=" + source.who() + ", sceneId=" + sceneId +
", portalId=" + portalId + "].");
throw new ServiceFailedException(INTERNAL_ERROR);
}
// avoid cluttering up the method declaration with final keywords
final BodyObject fsource = (BodyObject)caller;
final int fportalId = portalId;
final int fsceneVer = sceneVer;
final SceneMoveListener flistener = listener;
// obtain the destination scene and location id
RuntimeSpotScene rss = (RuntimeSpotScene)smgr.getScene();
int destSceneId = rss.getTargetSceneId(portalId);
final int destLocId = rss.getTargetLocationId(portalId);
// make sure this portal has valid info
if (destSceneId == -1) {
Log.warning("Traverse portal provided with invalid portal " +
"[user=" + source.who() + ", sceneId=" + sceneId +
", portalId=" + portalId +
", destSceneId=" + destSceneId + "].");
throw new ServiceFailedException(NO_SUCH_PORTAL);
}
// avoid cluttering up the method declaration with final
// keywords
final BodyObject fsource = source;
final int finvid = invid;
final int fportalId = portalId;
final int fsceneVer = sceneVer;
// create a callback object that will handle the resolution or
// failed resolution of the scene
SceneRegistry.ResolutionListener rl =
new SceneRegistry.ResolutionListener() {
public void sceneWasResolved (SceneManager scmgr) {
SpotSceneManager sscmgr = (SpotSceneManager)scmgr;
finishTraversePortalRequest(
fsource, finvid, sscmgr, fsceneVer,
fportalId, destLocId);
}
public void sceneFailedToResolve (
int rsceneId, Exception reason) {
Log.warning("Unable to resolve target scene " +
"[sceneId=" + rsceneId +
", reason=" + reason + "].");
// pretend like the scene doesn't exist to the client
sendResponse(fsource, finvid, MOVE_FAILED_RESPONSE,
NO_SUCH_PLACE);
}
};
// make sure the scene they are headed to is actually loaded into
// the server
_screg.resolveScene(destSceneId, rl);
} catch (ServiceFailedException sfe) {
sendResponse(source, invid, MOVE_FAILED_RESPONSE, sfe.getMessage());
// obtain the source scene
SpotSceneManager smgr = (SpotSceneManager)
_screg.getSceneManager(sceneId);
if (smgr == null) {
Log.warning("Traverse portal missing source scene " +
"[user=" + fsource.who() + ", sceneId=" + sceneId +
", portalId=" + portalId + "].");
throw new InvocationException(INTERNAL_ERROR);
}
// obtain the destination scene and location id
RuntimeSpotScene rss = (RuntimeSpotScene)smgr.getScene();
int destSceneId = rss.getTargetSceneId(portalId);
final int destLocId = rss.getTargetLocationId(portalId);
// make sure this portal has valid info
if (destSceneId == -1) {
Log.warning("Traverse portal provided with invalid portal " +
"[user=" + fsource.who() + ", sceneId=" + sceneId +
", portalId=" + portalId +
", destSceneId=" + destSceneId + "].");
throw new InvocationException(NO_SUCH_PORTAL);
}
// create a callback object that will handle the resolution or
// failed resolution of the scene
SceneRegistry.ResolutionListener rl =
new SceneRegistry.ResolutionListener() {
public void sceneWasResolved (SceneManager scmgr) {
SpotSceneManager sscmgr = (SpotSceneManager)scmgr;
finishTraversePortalRequest(
fsource, sscmgr, fsceneVer, fportalId, destLocId,
flistener);
}
public void sceneFailedToResolve (
int rsceneId, Exception reason) {
Log.warning("Unable to resolve target scene " +
"[sceneId=" + rsceneId +
", reason=" + reason + "].");
// pretend like the scene doesn't exist to the client
flistener.requestFailed(NO_SUCH_PLACE);
}
};
// make sure the scene they are headed to is actually loaded into
// the server
_screg.resolveScene(destSceneId, rl);
}
/**
@@ -125,8 +119,8 @@ public class SpotProvider extends InvocationProvider
* to have been loaded into the server.
*/
protected void finishTraversePortalRequest (
BodyObject source, int invid, SpotSceneManager scmgr,
int sceneVer, int exitPortalId, int destLocId)
BodyObject source, SpotSceneManager scmgr, int sceneVer,
int exitPortalId, int destLocId, SceneMoveListener listener)
{
// move to the place object associated with this scene
PlaceObject plobj = scmgr.getPlaceObject();
@@ -138,23 +132,21 @@ public class SpotProvider extends InvocationProvider
try {
// try doing the actual move
PlaceConfig config = LocationProvider.moveTo(source, ploid);
PlaceConfig config = _plreg.locprov.moveTo(source, ploid);
// check to see if they need a newer version of the scene data
SceneModel model = scmgr.getSceneModel();
if (sceneVer < model.version) {
// then send the moveTo response
sendResponse(source, invid, MOVE_SUCCEEDED_PLUS_UPDATE_RESPONSE,
new Integer(ploid), config, model);
listener.moveSucceededPlusUpdate(ploid, config, model);
} else {
// then send the moveTo response
sendResponse(source, invid, MOVE_SUCCEEDED_RESPONSE,
new Integer(ploid), config);
listener.moveSucceeded(ploid, config);
}
} catch (ServiceFailedException sfe) {
sendResponse(source, invid, MOVE_FAILED_RESPONSE, sfe.getMessage());
} catch (InvocationException sfe) {
listener.requestFailed(sfe.getMessage());
// and let the destination scene manager know that we're no
// longer coming in
@@ -165,39 +157,35 @@ public class SpotProvider extends InvocationProvider
/**
* Processes a request from a client to move to a new location.
*/
public void handleChangeLocRequest (
BodyObject source, int invid, int sceneId, int locationId)
public void changeLoc (ClientObject caller, int sceneId, int locationId,
ChangeLocListener listener)
throws InvocationException
{
try {
// look up the scene manager for the specified scene
SpotSceneManager smgr = (SpotSceneManager)
_screg.getSceneManager(sceneId);
if (smgr == null) {
Log.warning("User requested to change location in " +
"non-existent scene [user=" + source.who() +
", sceneId=" + sceneId +
", locId=" + locationId + "].");
throw new ServiceFailedException(INTERNAL_ERROR);
}
BodyObject source = (BodyObject)caller;
int locOid = smgr.handleChangeLocRequest(source, locationId);
sendResponse(source, invid, CHANGE_LOC_SUCCEEDED_RESPONSE,
new Integer(locOid));
} catch (ServiceFailedException sfe) {
sendResponse(source, invid, CHANGE_LOC_FAILED_RESPONSE,
sfe.getMessage());
// look up the scene manager for the specified scene
SpotSceneManager smgr = (SpotSceneManager)
_screg.getSceneManager(sceneId);
if (smgr == null) {
Log.warning("User requested to change location in " +
"non-existent scene [user=" + source.who() +
", sceneId=" + sceneId +
", locId=" + locationId + "].");
throw new InvocationException(INTERNAL_ERROR);
}
int locOid = smgr.handleChangeLocRequest(source, locationId);
listener.changeLocSucceeded(locOid);
}
/**
* Handles {@link SpotCodes#CLUSTER_SPEAK_REQUEST} messages.
* Handles request to generate a speak message in the specified cluster.
*/
public void handleClusterSpeakRequest (
BodyObject source, int invid, int sceneId, int locId, String message,
byte mode)
public void clusterSpeak (ClientObject caller, int sceneId, int locationId,
String message, byte mode)
{
sendClusterChatMessage(sceneId, locId, source.getOid(),
BodyObject source = (BodyObject)caller;
sendClusterChatMessage(sceneId, locationId, source.getOid(),
source.username, null, message, mode);
}
@@ -220,7 +208,7 @@ public class SpotProvider extends InvocationProvider
* from a real live human who wrote it in their native tongue).
* @param message the text of the chat message.
*/
public static void sendClusterChatMessage (
public void sendClusterChatMessage (
int sceneId, int locId, int speakerOid, String speaker,
String bundle, String message, byte mode)
{
@@ -242,9 +230,12 @@ public class SpotProvider extends InvocationProvider
}
}
/** The place registry with which we interoperate. */
protected PlaceRegistry _plreg;
/** The scene registry with which we interoperate. */
protected static SceneRegistry _screg;
protected SceneRegistry _screg;
/** The object manager we use to do dobject stuff. */
protected static RootDObjectManager _omgr;
protected RootDObjectManager _omgr;
}