Starting to wire up client/server dobj stuff.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@22 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/server/ClientManager.java

@@ -1,11 +1,13 @@
 //
-// $Id: ClientManager.java,v 1.1 2001/06/01 22:12:03 mdb Exp $
+// $Id: ClientManager.java,v 1.2 2001/06/02 01:30:37 mdb Exp $
 
 package com.threerings.cocktail.cher.server;
 
 import java.io.IOException;
+import java.util.HashMap;
 
 import com.threerings.cocktail.cher.Log;
+import com.threerings.cocktail.cher.net.Credentials;
 import com.threerings.cocktail.cher.server.net.*;
 
 /**
@@ -13,6 +15,11 @@ import com.threerings.cocktail.cher.server.net.*;
  * surprise) which are slightly more than just connections. Clients
  * persist in the absence of connections in case a user goes bye bye
  * unintentionally and wants to reconnect and continue their session.
+ *
+ * <p> The client manager operates with thread safety because it is called
+ * both from the conmgr thread (to notify of connections showing up or
+ * going away) and from the dobjmgr thread (when clients are given the
+ * boot for application-defined reasons).
  */
 public class ClientManager implements ConnectionObserver
 {
@@ -29,9 +36,22 @@ public class ClientManager implements ConnectionObserver
      *
      * @param conn The newly established connection.
      */
-    public void connectionEstablished (Connection conn)
+    public synchronized
+        void connectionEstablished (Connection conn, Credentials creds)
     {
-        Log.info("Connection established: " + conn);
+        String username = creds.getUsername();
+
+        // see if there's a client already registered with this username
+        Client client = (Client)_clients.get(username);
+
+        if (client != null) {
+            Log.info("Session resumed [username=" + username +
+                     ", conn=" + conn + "].");
+
+        } else {
+            Log.info("Session initiated [username=" + username +
+                     ", conn=" + conn + "].");
+        }
     }
 
     /**
@@ -43,7 +63,8 @@ public class ClientManager implements ConnectionObserver
      * @param conn The connection in that failed.
      * @param fault The exception associated with the failure.
      */
-    public void connectionFailed (Connection conn, IOException fault)
+    public synchronized
+        void connectionFailed (Connection conn, IOException fault)
     {
         Log.info("Connection failed: " + conn + ": " + fault);
     }
@@ -53,8 +74,10 @@ public class ClientManager implements ConnectionObserver
      *
      * @param conn The recently closed connection.
      */
-    public void connectionClosed (Connection conn)
+    public synchronized void connectionClosed (Connection conn)
     {
         Log.info("Connection closed: " + conn);
     }
+
+    protected HashMap _clients = new HashMap();
 }