Track and report some connection manager stats over a short historical

period so that we can see what sort of funny business is going on with the
network thread when the process spikes up to 100% CPU.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3066 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/data/ConMgrStats.java

@@ -0,0 +1,46 @@
+//
+// $Id: ConMgrStats.java,v 1.1 2004/08/04 02:31:18 mdb Exp $
+
+package com.threerings.presents.data;
+
+import com.threerings.io.Streamable;
+
+/**
+ * Used to track and report stats on the connection manager.
+ */
+public class ConMgrStats implements Streamable
+{
+    /** The current index into the history arrays. */
+    public int current;
+
+    /** The outgoing queue size. */
+    public int[] outQueueSize;
+
+    /** The overflow queue size. */
+    public int[] overQueueSize;
+
+    /** The number of bytes read. */
+    public int[] bytesIn;
+
+    /** The number of bytes written. */
+    public int[] bytesOut;
+
+    /** The number of messages read. */
+    public int[] msgsIn;
+
+    /** The number of messages written. */
+    public int[] msgsOut;
+
+    /** Advances the currently accumulating bucket and clears its
+     * previous contents. */
+    public void increment ()
+    {
+        current++;
+        outQueueSize[current] = 0;
+        overQueueSize[current] = 0;
+        bytesIn[current] = 0;
+        bytesOut[current] = 0;
+        msgsIn[current] = 0;
+        msgsOut[current] = 0;
+    }
+}