From 33b3188f2e55d34e44869a15fab90e60fd1fda69 Mon Sep 17 00:00:00 2001
From: "Rafael H. Schloming" <rhs@apache.org>
Date: Wed, 13 Aug 2008 10:39:10 +0000
Subject: removed dead code from message Echo utility, and added a message Sink
 utility

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@685506 13f79535-47bb-0310-9956-ffa450edef68
---
 .../main/java/org/apache/qpid/transport/Echo.java  |   3 -
 .../main/java/org/apache/qpid/transport/Sink.java  | 137 +++++++++++++++++++++
 2 files changed, 137 insertions(+), 3 deletions(-)
 create mode 100644 java/common/src/main/java/org/apache/qpid/transport/Sink.java

diff --git a/java/common/src/main/java/org/apache/qpid/transport/Echo.java b/java/common/src/main/java/org/apache/qpid/transport/Echo.java
index 1cc487a261..b2be32331a 100644
--- a/java/common/src/main/java/org/apache/qpid/transport/Echo.java
+++ b/java/common/src/main/java/org/apache/qpid/transport/Echo.java
@@ -35,11 +35,8 @@ import org.apache.qpid.transport.network.io.IoAcceptor;
 public class Echo extends SessionDelegate
 {
 
-    private MessageTransfer xfr = null;
-
     public void messageTransfer(Session ssn, MessageTransfer xfr)
     {
-        this.xfr = xfr;
         ssn.invoke(xfr);
         ssn.processed(xfr);
     }
diff --git a/java/common/src/main/java/org/apache/qpid/transport/Sink.java b/java/common/src/main/java/org/apache/qpid/transport/Sink.java
new file mode 100644
index 0000000000..8653acedbe
--- /dev/null
+++ b/java/common/src/main/java/org/apache/qpid/transport/Sink.java
@@ -0,0 +1,137 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.qpid.transport;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+import org.apache.qpid.transport.network.ConnectionBinding;
+import org.apache.qpid.transport.network.io.IoAcceptor;
+
+/**
+ * Sink
+ *
+ */
+
+public class Sink extends SessionDelegate
+{
+
+    private static final String FORMAT_HDR = "%-12s %-18s %-18s %-18s";
+    private static final String FORMAT_ROW = "SSN#%-8X %-18s %-18s %-18s";
+
+    private long interval = 100000;
+    private long start = System.currentTimeMillis();
+    private long count = 0;
+    private long bytes = 0;
+    private long interval_start = start;
+    private long bytes_start = bytes;
+    private long time = start;
+    private int id = System.identityHashCode(this);
+
+    public Sink()
+    {
+    }
+
+    private double msg_rate()
+    {
+        return 1000 * (double) count / (double) (time - start);
+    }
+
+    private double byte_rate()
+    {
+        return (1000 * (double) bytes / (double) (time - start)) / (1024*1024);
+    }
+
+    private double msg_interval_rate()
+    {
+        return 1000 * (double) interval / (double) (time - interval_start);
+    }
+
+    private double byte_interval_rate()
+    {
+        return (1000 * (double) (bytes - bytes_start) / (double) (time - interval_start)) / (1024*1024);
+    }
+
+    private String rates()
+    {
+        return String.format("%.2f/%.2f", msg_rate(), byte_rate());
+    }
+
+    private String interval_rates()
+    {
+        return String.format("%.2f/%.2f", msg_interval_rate(), byte_interval_rate());
+    }
+
+    private String counts()
+    {
+        return String.format("%d/%.2f", count, ((double) bytes)/(1024*1024));
+    }
+
+    public void messageTransfer(Session ssn, MessageTransfer xfr)
+    {
+        count++;
+        bytes += xfr.getBody().remaining();
+        if ((count % interval) == 0)
+        {
+            time = System.currentTimeMillis();
+            System.out.println
+                (String.format
+                 (FORMAT_ROW, id, counts(), rates(), interval_rates()));
+            interval_start = time;
+            bytes_start = bytes;
+        }
+        ssn.processed(xfr);
+    }
+
+    public static final void main(String[] args) throws IOException
+    {
+        ConnectionDelegate delegate = new ConnectionDelegate()
+        {
+
+            public SessionDelegate getSessionDelegate()
+            {
+                return new Sink();
+            }
+
+            public void exception(Throwable t)
+            {
+                t.printStackTrace();
+            }
+
+            public void closed() {}
+        };
+
+        //hack
+        delegate.setUsername("guest");
+        delegate.setPassword("guest");
+
+        IoAcceptor ioa = new IoAcceptor
+            ("0.0.0.0", 5672, new ConnectionBinding(delegate));
+        System.out.println
+            (String.format
+             (FORMAT_HDR, "Session", "Count/MBytes", "Cumulative Rate", "Interval Rate"));
+        System.out.println
+            (String.format
+             (FORMAT_HDR, "-------", "------------", "---------------", "-------------"));
+        ioa.start();
+    }
+
+}
-- 
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