Added facilities for idling out clients that have not communicated with

the server in 90 seconds. The client is set up to ping the server if it
has had nothing to say to it for other reasons in the last 60 seconds.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1860 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/server/net/ConnectionManager.java

@@ -1,5 +1,5 @@
 //
-// $Id: ConnectionManager.java,v 1.22 2002/10/21 20:56:21 mdb Exp $
+// $Id: ConnectionManager.java,v 1.23 2002/10/29 23:51:26 mdb Exp $
 
 package com.threerings.presents.server.net;
 
@@ -54,9 +54,13 @@ public class ConnectionManager extends LoopingThread
         _litem = new SelectItem(_listener, Selectable.ACCEPT_READY);
         // when an ACCEPT_READY event happens, we do this:
         _litem.obj = new NetEventHandler() {
-            public void handleEvent (Selectable item, short events) {
+            public void handleEvent (
+                long when, Selectable item, short events) {
                 acceptConnection();
             }
+            public void checkIdle (long now) {
+                // we're never idle
+            }
         };
         _selset.add(_litem);
 
@@ -168,6 +172,8 @@ public class ConnectionManager extends LoopingThread
      */
     protected void iterate ()
     {
+        long iterStamp = System.currentTimeMillis();
+
         // close any connections that have been queued up to die
         Connection dconn;
         while ((dconn = (Connection)_deathq.getNonBlocking()) != null) {
@@ -179,6 +185,14 @@ public class ConnectionManager extends LoopingThread
             }
         }
 
+        // close any connections that have seen no network traffic for too
+        // long
+        int ccount = _selset.size();
+        for (int ii = 0; ii < ccount; ii++) {
+            ((NetEventHandler)_selset.elementAt(ii).getObj()).
+                checkIdle(iterStamp);
+        }
+
         // send any messages that are waiting on the outgoing queue
         Tuple tup;
         while ((tup = (Tuple)_outq.getNonBlocking()) != null) {
@@ -221,7 +235,7 @@ public class ConnectionManager extends LoopingThread
             // connections network traffic from here on out
             try {
                 RunningConnection rconn =
-                    new RunningConnection(this, conn.getSocket());
+                    new RunningConnection(this, conn.getSocket(), iterStamp);
                 // we need to keep using the same object input and output
                 // streams from the beginning of the session because they
                 // have contextual state that needs to be preserved
@@ -252,7 +266,8 @@ public class ConnectionManager extends LoopingThread
             try {
                 SelectItem item = active[i];
                 NetEventHandler handler = (NetEventHandler)item.obj;
-                handler.handleEvent(item.getSelectable(), item.revents);
+                handler.handleEvent(
+                    iterStamp, item.getSelectable(), item.revents);
 
             } catch (Exception e) {
                 Log.warning("Error processing network data.");