Passing in the timestamp that dictates idleness allows us to propagate the idle

duration a bit less far. And Ray will be pleased to know that we're doing much
less redundant arithmetic.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6385 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/main/java/com/threerings/presents/server/net/DatagramChannelReader.java

@@ -90,8 +90,8 @@ public class DatagramChannelReader
             public int handleEvent (long when) {
                 return _conMan.handleDatagram(channel, when);
             }
-            public boolean checkIdle (long now) {
-                return false;// Can't be idle
+            public boolean checkIdle (long idleStamp) {
+                return false; // we can't be idle
             }
             public void becameIdle () {}
         });

src/main/java/com/threerings/presents/server/net/PresentsConnection.java

@@ -60,11 +60,10 @@ public class PresentsConnection extends Connection
      * {@link PresentsConnectionManager} as <code>cmgr</code>.
      */
     @Override
-    public void init (ConnectionManager cmgr, SocketChannel channel, long createStamp,
-        long idleTime)
+    public void init (ConnectionManager cmgr, SocketChannel channel, long createStamp)
         throws IOException
     {
-        super.init(cmgr, channel, createStamp, idleTime);
+        super.init(cmgr, channel, createStamp);
         _pcmgr = (PresentsConnectionManager)cmgr;
     }
 

src/main/java/com/threerings/presents/server/net/PresentsConnectionManager.java

@@ -307,7 +307,7 @@ public class PresentsConnectionManager extends ConnectionManager
         // have the non-blocking connect process started
         SocketChannel sockchan = SocketChannel.open();
         sockchan.configureBlocking(false);
-        conn.init(this, sockchan, System.currentTimeMillis(), _idleTime);
+        conn.init(this, sockchan, System.currentTimeMillis());
         _connectq.append(Tuple.newTuple(conn, new InetSocketAddress(hostname, port)));
     }
 
@@ -346,8 +346,8 @@ public class PresentsConnectionManager extends ConnectionManager
                         }
                         return 0;
                     }
-                    public boolean checkIdle (long now) {
-                        return conn.checkIdle(now);
+                    public boolean checkIdle (long idleStamp) {
+                        return conn.checkIdle(idleStamp);
                     }
                     public void becameIdle () {
                         handleError(new IOException("Pending connection became idle."));
@@ -452,7 +452,7 @@ public class PresentsConnectionManager extends ConnectionManager
                 // construct a new running connection to handle this connections network traffic
                 // from here on out
                 PresentsConnection rconn = new PresentsConnection();
-                rconn.init(this, conn.getChannel(), iterStamp, _idleTime);
+                rconn.init(this, conn.getChannel(), iterStamp);
                 rconn.selkey = conn.selkey;
 
                 // we need to keep using the same object input and output streams from the