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From maha...@apache.org
Subject svn commit: r1236049 [6/6] - in /hadoop/common/branches/branch-0.23: hadoop-project/ hadoop-tools/ hadoop-tools/hadoop-distcp/ hadoop-tools/hadoop-distcp/src/ hadoop-tools/hadoop-distcp/src/main/ hadoop-tools/hadoop-distcp/src/main/java/ hadoop-tools/h...
Date Thu, 26 Jan 2012 06:50:03 GMT
Added: hadoop/common/branches/branch-0.23/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/util/TestThrottledInputStream.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/util/TestThrottledInputStream.java?rev=1236049&view=auto
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/util/TestThrottledInputStream.java
(added)
+++ hadoop/common/branches/branch-0.23/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/util/TestThrottledInputStream.java
Thu Jan 26 06:50:00 2012
@@ -0,0 +1,157 @@
+/**
+ * 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.hadoop.tools.util;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.io.IOUtils;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.io.*;
+
+public class TestThrottledInputStream {
+  private static final Log LOG = LogFactory.getLog(TestThrottledInputStream.class);
+  private static final int BUFF_SIZE = 1024;
+
+  private enum CB {ONE_C, BUFFER, BUFF_OFFSET}
+
+  @Test
+  public void testRead() {
+    File tmpFile;
+    File outFile;
+    try {
+      tmpFile = createFile(1024);
+      outFile = createFile();
+
+      tmpFile.deleteOnExit();
+      outFile.deleteOnExit();
+
+      long maxBandwidth = copyAndAssert(tmpFile, outFile, 0, 1, -1, CB.BUFFER);
+
+      copyAndAssert(tmpFile, outFile, maxBandwidth, 20, 0, CB.BUFFER);
+/*
+      copyAndAssert(tmpFile, outFile, maxBandwidth, 10, 0, CB.BUFFER);
+      copyAndAssert(tmpFile, outFile, maxBandwidth, 50, 0, CB.BUFFER);
+*/
+
+      copyAndAssert(tmpFile, outFile, maxBandwidth, 20, 0, CB.BUFF_OFFSET);
+/*
+      copyAndAssert(tmpFile, outFile, maxBandwidth, 10, 0, CB.BUFF_OFFSET);
+      copyAndAssert(tmpFile, outFile, maxBandwidth, 50, 0, CB.BUFF_OFFSET);
+*/
+
+      copyAndAssert(tmpFile, outFile, maxBandwidth, 20, 0, CB.ONE_C);
+/*
+      copyAndAssert(tmpFile, outFile, maxBandwidth, 10, 0, CB.ONE_C);
+      copyAndAssert(tmpFile, outFile, maxBandwidth, 50, 0, CB.ONE_C);
+*/
+    } catch (IOException e) {
+      LOG.error("Exception encountered ", e);
+    }
+  }
+
+  private long copyAndAssert(File tmpFile, File outFile,
+                             long maxBandwidth, float factor,
+                             int sleepTime, CB flag) throws IOException {
+    long bandwidth;
+    ThrottledInputStream in;
+    long maxBPS = (long) (maxBandwidth / factor);
+
+    if (maxBandwidth == 0) {
+      in = new ThrottledInputStream(new FileInputStream(tmpFile));
+    } else {
+      in = new ThrottledInputStream(new FileInputStream(tmpFile), maxBPS);
+    }
+    OutputStream out = new FileOutputStream(outFile);
+    try {
+      if (flag == CB.BUFFER) {
+        copyBytes(in, out, BUFF_SIZE);
+      } else if (flag == CB.BUFF_OFFSET){
+        copyBytesWithOffset(in, out, BUFF_SIZE);
+      } else {
+        copyByteByByte(in, out);
+      }
+
+      LOG.info(in);
+      bandwidth = in.getBytesPerSec();
+      Assert.assertEquals(in.getTotalBytesRead(), tmpFile.length());
+      Assert.assertTrue(in.getBytesPerSec() > maxBandwidth / (factor * 1.2));
+      Assert.assertTrue(in.getTotalSleepTime() >  sleepTime || in.getBytesPerSec() <=
maxBPS);
+    } finally {
+      IOUtils.closeStream(in);
+      IOUtils.closeStream(out);
+    }
+    return bandwidth;
+  }
+
+  private static void copyBytesWithOffset(InputStream in, OutputStream out, int buffSize)
+    throws IOException {
+
+    byte buf[] = new byte[buffSize];
+    int bytesRead = in.read(buf, 0, buffSize);
+    while (bytesRead >= 0) {
+      out.write(buf, 0, bytesRead);
+      bytesRead = in.read(buf);
+    }
+  }
+
+  private static void copyByteByByte(InputStream in, OutputStream out)
+    throws IOException {
+
+    int ch = in.read();
+    while (ch >= 0) {
+      out.write(ch);
+      ch = in.read();
+    }
+  }
+
+  private static void copyBytes(InputStream in, OutputStream out, int buffSize)
+    throws IOException {
+
+    byte buf[] = new byte[buffSize];
+    int bytesRead = in.read(buf);
+    while (bytesRead >= 0) {
+      out.write(buf, 0, bytesRead);
+      bytesRead = in.read(buf);
+    }
+  }
+
+  private File createFile(long sizeInKB) throws IOException {
+    File tmpFile = createFile();
+    writeToFile(tmpFile, sizeInKB);
+    return tmpFile;
+  }
+
+  private File createFile() throws IOException {
+    return File.createTempFile("tmp", "dat");
+  }
+
+  private void writeToFile(File tmpFile, long sizeInKB) throws IOException {
+    OutputStream out = new FileOutputStream(tmpFile);
+    try {
+      byte[] buffer = new byte [1024];
+      for (long index = 0; index < sizeInKB; index++) {
+        out.write(buffer);
+      }
+    } finally {
+      IOUtils.closeStream(out);
+    }
+  }
+}

Added: hadoop/common/branches/branch-0.23/hadoop-tools/hadoop-distcp/src/test/resources/sslConfig.xml
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-tools/hadoop-distcp/src/test/resources/sslConfig.xml?rev=1236049&view=auto
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-tools/hadoop-distcp/src/test/resources/sslConfig.xml
(added)
+++ hadoop/common/branches/branch-0.23/hadoop-tools/hadoop-distcp/src/test/resources/sslConfig.xml
Thu Jan 26 06:50:00 2012
@@ -0,0 +1,57 @@
+<?xml version="1.0"?>
+<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
+
+<configuration>
+
+<property>
+  <name>ssl.client.truststore.location</name>
+  <value>/path/to/truststore/keys/keystore.jks</value>
+  <description>Truststore to be used by clients like distcp. Must be
+  specified.
+  </description>
+</property>
+
+<property>
+  <name>ssl.client.truststore.password</name>
+  <value>changeit</value>
+  <description>Optional. Default value is "".
+  </description>
+</property>
+
+<property>
+  <name>ssl.client.truststore.type</name>
+  <value>jks</value>
+  <description>Optional. Default value is "jks".
+  </description>
+</property>
+
+<property>
+  <name>ssl.client.keystore.location</name>
+  <value>/path/to/keystore/keys/keystore.jks</value>
+  <description>Keystore to be used by clients like distcp. Must be
+  specified.
+  </description>
+</property>
+
+<property>
+  <name>ssl.client.keystore.password</name>
+  <value>changeit</value>
+  <description>Optional. Default value is "".
+  </description>
+</property>
+
+<property>
+  <name>ssl.client.keystore.keypassword</name>
+  <value>changeit</value>
+  <description>Optional. Default value is "".
+  </description>
+</property>
+
+<property>
+  <name>ssl.client.keystore.type</name>
+  <value>jks</value>
+  <description>Optional. Default value is "jks".
+  </description>
+</property>
+
+</configuration>

Modified: hadoop/common/branches/branch-0.23/hadoop-tools/pom.xml
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-tools/pom.xml?rev=1236049&r1=1236048&r2=1236049&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-tools/pom.xml (original)
+++ hadoop/common/branches/branch-0.23/hadoop-tools/pom.xml Thu Jan 26 06:50:00 2012
@@ -29,6 +29,7 @@
 
   <modules>
     <module>hadoop-streaming</module>
+    <module>hadoop-distcp</module>
     <module>hadoop-archives</module>
     <module>hadoop-rumen</module>
     <module>hadoop-tools-dist</module>



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