Log file fix, MasterLogReader fix, test cases

bin/tachyon

@@ -22,4 +22,4 @@ else
 fi
 bin=`cd "$( dirname "$0" )"; pwd`
 . "$bin/tachyon-config.sh"
-java -cp $TACHYON_JAR $CLASS $@
+java -cp $TACHYON_JAR -Dtachyon.home=$TACHYON_HOME -Dlog4j.configuration=file:$TACHYON_HOME/conf/log4j.properties -Dtachyon.logger.type=USER_LOGGER $CLASS $@

conf/log4j.properties

@@ -10,7 +10,7 @@ log4j.appender.Console.layout.ConversionPattern=%d{ISO8601} %-5p %c{1} (%F:%M) -
 
 # Appender for Master
 log4j.appender.MASTER_LOGGER=tachyon.Log4jFileAppender
-log4j.appender.MASTER_LOGGER.File=logs/master.log
+log4j.appender.MASTER_LOGGER.File=${tachyon.home}/logs/master.log
 
 log4j.appender.MASTER_LOGGER.MaxFileSize=10
 log4j.appender.MASTER_LOGGER.MaxBackupIndex=100
@@ -21,11 +21,21 @@ log4j.appender.MASTER_LOGGER.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F
 
 # Appender for Workers
 log4j.appender.WORKER_LOGGER=tachyon.Log4jFileAppender
-log4j.appender.WORKER_LOGGER.File=logs/worker.log
+log4j.appender.WORKER_LOGGER.File=${tachyon.home}/logs/worker.log
 
 log4j.appender.WORKER_LOGGER.MaxFileSize=10
 log4j.appender.WORKER_LOGGER.MaxBackupIndex=100
 log4j.appender.WORKER_LOGGER.DeletionPercentage=10
 log4j.appender.WORKER_LOGGER.layout=org.apache.log4j.PatternLayout
 log4j.appender.WORKER_LOGGER.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F:%M) - %m%n
 #log4j.appender.WORKER_LOGGER.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F:%M(%L)) - %m%n
+
+# Appender for User
+log4j.appender.USER_LOGGER=tachyon.Log4jFileAppender
+log4j.appender.USER_LOGGER.File=${tachyon.home}/logs/user.log
+log4j.appender.USER_LOGGER.MaxFileSize=10
+log4j.appender.USER_LOGGER.MaxBackupIndex=10
+log4j.appender.USER_LOGGER.DeletionPercentage=20
+log4j.appender.USER_LOGGER.layout=org.apache.log4j.PatternLayout
+log4j.appender.USER_LOGGER.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F:%M) - %m%n
+#log4j.appender.USER_LOGGER.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F:%M(%L)) - %m%n

src/main/java/tachyon/Log4jFileAppender.java

@@ -134,19 +134,14 @@ public synchronized void subAppend(LoggingEvent event) {
   private String getNewLogFileName(String fileName) {
     if (!fileName.isEmpty()) {
       String newFileName = "";
-      int dotIndex = fileName.indexOf(".");
-      if (dotIndex != -1 && fileName.indexOf("-") == -1) {
-        String baseName = fileName.substring(0, dotIndex);
-        String suffix = fileName.substring(dotIndex, fileName.length());
-        String address = "";
-        try {
-          address = "@" + InetAddress.getLocalHost().getHostAddress();
-        } catch (UnknownHostException uhe) {
-          address = "@UnknownHost";
-        }
-        newFileName = baseName + address + "_" 
-            + CommonUtils.convertMsToSimpleDate(System.currentTimeMillis()) + suffix;
+      String address = "";
+      try {
+        address = "@" + InetAddress.getLocalHost().getHostAddress();
+      } catch (UnknownHostException uhe) {
+        address = "@UnknownHost";
       }
+      newFileName = fileName + address + "_" 
+          + CommonUtils.convertMsToSimpleDate(System.currentTimeMillis());
       File file = new File(newFileName);
       if (file.exists()) {
         rotateLogs(newFileName);
@@ -166,12 +161,6 @@ private String getNewLogFileName(String fileName) {
    * @param fileName The fileName of the new current log.
    */
   private void rotateLogs(String fileName) {
-    String suffix = "";
-    if (fileName.indexOf(".") != -1) {
-      suffix = fileName.substring(fileName.lastIndexOf("."), fileName.length());
-    }
-    String prefix = fileName.substring(0, fileName.length() - suffix.length());
-
     if (mCurrentFileBackupIndex == -1) {
       int lo = 0;
       int hi = mMaxBackupIndex;
@@ -181,15 +170,15 @@ private void rotateLogs(String fileName) {
           mCurrentFileBackupIndex = 1;
           break;
         }
-        if (new File(prefix + "_" + mid + suffix).exists()) {
-          if (new File(prefix + "_" + (mid+1) + suffix).exists()) {
+        if (new File(fileName + "_" + mid).exists()) {
+          if (new File(fileName + "_" + (mid+1)).exists()) {
             lo = mid;
           } else {
             mCurrentFileBackupIndex = mid + 1;
             break;
           }
         } else {
-          if (new File(prefix + "_" + (mid-1) + suffix).exists()) {
+          if (new File(fileName + "_" + (mid-1)).exists()) {
             mCurrentFileBackupIndex = mid;
             break;
           } else {
@@ -203,15 +192,15 @@ private void rotateLogs(String fileName) {
     if (mCurrentFileBackupIndex >= mMaxBackupIndex) {
       int deleteToIndex = (int) Math.ceil(mMaxBackupIndex*mDeletionPercentage/100.0);
       for (int i = 1; i < deleteToIndex; i ++) {
-        new File(prefix + "_" + i + suffix).delete();
+        new File(fileName + "_" + i).delete();
       }
       for (int i = deleteToIndex + 1; i <= mMaxBackupIndex; i ++) {
-        new File(prefix + "_" + i + suffix).renameTo(
-            new File(prefix + "_" + (i - deleteToIndex) + suffix));
+        new File(fileName + "_" + i).renameTo(
+            new File(fileName + "_" + (i - deleteToIndex)));
       }
       mCurrentFileBackupIndex = mCurrentFileBackupIndex - deleteToIndex;
     }
-    oldFile.renameTo(new File(prefix + "_" + mCurrentFileBackupIndex + suffix));
+    oldFile.renameTo(new File(fileName + "_" + mCurrentFileBackupIndex));
     mCurrentFileBackupIndex ++;
   }
 }

src/main/java/tachyon/MasterLogReader.java

@@ -73,7 +73,7 @@ private Pair<LogType, Object> getNext() {
 
   public Pair<LogType, Object> getNextPair() {
     if (mCurrent == null) {
-      getNext();
+      mCurrent = getNext();
     }
 
     Pair<LogType, Object> ret = mCurrent;

src/main/java/tachyon/Pair.java

@@ -33,4 +33,13 @@ public First getFirst() {
   public Second getSecond() {
     return mSecond;
   }
+
+  @Override
+  public synchronized boolean equals(Object o) {
+    if (!(o instanceof Pair)) {
+      return false;
+    }
+    return mFirst.equals(((Pair<?, ?>) o).getFirst()) 
+        && mSecond.equals(((Pair<?, ?>) o).getSecond());
+  }
 }

src/main/java/tachyon/command/TFsShell.java

@@ -92,8 +92,7 @@ public int mkdir(String argv[]) throws InvalidPathException, FileAlreadyExistExc
    * @throws InvalidPathException
    * @throws TException
    */
-  public int rm(String argv[]) 
-      throws FileDoesNotExistException, InvalidPathException, TException {
+  public int rm(String argv[]) throws InvalidPathException, TException {
     if (argv.length != 2) {
       System.out.println("Usage: tfs rm <path>");
       return -1;

src/main/java/tachyon/command/Utils.java

@@ -2,46 +2,55 @@
 
 import java.net.InetSocketAddress;
 
+import tachyon.Constants;
+import tachyon.thrift.InvalidPathException;
+
 /**
  * Class for convenience methods used by TFsShell.
  */
 public class Utils {
   private static final String HEADER = "tachyon://";
-
   /**
    * Validates the path, verifying that it contains the header and a hostname:port specified.
    * @param path The path to be verified.
+   * @throws InvalidPathException 
    */
-  public static void validateTachyonPath(String path) {
-    if (!path.startsWith(HEADER)) {
-      System.out.println("The path format is " + HEADER + "<MASTERHOST>:<PORT>/<PATH_NAME>");
-      System.exit(-1);
-    }
-    path = path.substring(HEADER.length());
-    if (!path.contains(":") || !path.contains("/")) {
-      System.out.println("The path format is " + HEADER + "<MASTERHOST>:<PORT>/<PATH_NAME>");
-      System.exit(-1);
+  public static String validateTachyonPath(String path) throws InvalidPathException {
+    if (path.startsWith(HEADER)) {
+      if (!path.contains(":")) {
+        throw new InvalidPathException(
+            "Invalid Path: " + path + "\n Use tachyon://host:port/ or /file");
+      } else {
+        return path;
+      }
+    } else {
+      String HOSTNAME = System.getProperty("tachyon.master.hostname", "localhost");
+      String PORT = System.getProperty("tachyon.master.port", "" + Constants.DEFAULT_MASTER_PORT);
+      return HEADER + HOSTNAME + ":" + PORT + path;
     }
   }
 
   /**
    * Removes header and hostname:port information from a path, leaving only the local file path.
    * @param path The path to obtain the local path from
    * @return The local path in string format
+   * @throws InvalidPathException 
    */ 
-  public static String getFilePath(String path) {
-    validateTachyonPath(path);
+  public static String getFilePath(String path) throws InvalidPathException {
+    path = validateTachyonPath(path);
     path = path.substring(HEADER.length());
-    return path.substring(path.indexOf("/"));
+    String ret = path.substring(path.indexOf("/"));
+    return ret;
   }
 
   /**
    * Obtains the InetSocketAddress from a path by parsing the hostname:port portion of the path.
    * @param path The path to obtain the InetSocketAddress from.
    * @return The InetSocketAddress of the master node.
+   * @throws InvalidPathException 
    */
-  public static InetSocketAddress getTachyonMasterAddress(String path) {
-    validateTachyonPath(path);
+  public static InetSocketAddress getTachyonMasterAddress(String path) throws InvalidPathException {
+    path = validateTachyonPath(path);
     path = path.substring(HEADER.length());
     String masterAddress = path.substring(0, path.indexOf("/"));
     String masterHost = masterAddress.split(":")[0];

src/test/java/tachyon/LocalTachyonCluster.java

@@ -53,6 +53,10 @@ public int getMasterPort() {
   public int getWorkerPort() {
     return mWorkerPort;
   }
+
+  public String getTachyonHome(){
+    return mTachyonHome;
+  }
 
   WorkerServiceHandler getWorkerServiceHandler() {
     return mWorker.getWorkerServiceHandler();    

src/test/java/tachyon/MasterLogWriterTest.java

@@ -95,4 +95,47 @@ public void appendAndFlushCheckpointTest() throws IOException {
     Assert.assertEquals(checkpointInfo, toCheck.getSecond());
     Assert.assertFalse(mMasterLogReader.hasNext());
   }
+
+  @Test
+  public void largeLogTest() throws IOException {
+    Inode inode;
+    CheckpointInfo checkpointInfo;
+    int numEntries = 100000;
+    for (int i = 0; i < numEntries; i ++) {
+      switch (i % 3) { 
+      case 0:
+        inode = new InodeFile("/testFile" + i, 1 + i, 0);
+        mMasterLogWriter.append(inode, true);
+        break;
+      case 1:
+        inode = new InodeFolder("/testFolder" + i, 1 + i, 0);
+        mMasterLogWriter.append(inode, true);
+        break;
+      case 2:
+        checkpointInfo = new CheckpointInfo(i);
+        mMasterLogWriter.appendAndFlush(checkpointInfo);
+        break;
+      }
+    }
+    mMasterLogReader = new MasterLogReader(mLogFile);
+    for (int i = 0; i < numEntries; i ++) {
+      switch (i % 3) { 
+      case 0:
+        inode = new InodeFile("/testFile" + i, 1 + i, 0);
+        Assert.assertEquals(new Pair<LogType, Object>(LogType.InodeFile, inode), 
+            mMasterLogReader.getNextPair());
+        break;
+      case 1:
+        inode = new InodeFolder("/testFolder" + i, 1 + i, 0);
+        Assert.assertEquals(new Pair<LogType, Object>(LogType.InodeFolder, inode), 
+            mMasterLogReader.getNextPair());
+        break;
+      case 2:
+        checkpointInfo = new CheckpointInfo(i);
+        Assert.assertEquals(new Pair<LogType, Object>(LogType.CheckpointInfo, checkpointInfo), 
+            mMasterLogReader.getNextPair());
+        break;
+      }
+    }
+  }
 }

src/test/java/tachyon/TestUtils.java

@@ -32,7 +32,7 @@ public static int createSimpleByteFile(TachyonClient client, String fileName, Op
 
     return fileId;
   }
-
+  
   public static byte[] getIncreasingByteArray(int len) {
     byte[] ret = new byte[len];
     for (int k = 0; k < len; k ++) {