[lttng-dev] [PATCH lttng-ust] Cleanup: Remove the no longer needed liblttng-ust-jul folder

Christian Babeux christian.babeux at efficios.com
Thu Sep 25 12:08:11 EDT 2014


Signed-off-by: Christian Babeux <christian.babeux at efficios.com>
---
 liblttng-ust-jul/org/lttng/ust/jul/LTTngAgent.java | 138 ---------------------
 .../org/lttng/ust/jul/LTTngLogHandler.java         |  80 ------------
 2 files changed, 218 deletions(-)
 delete mode 100644 liblttng-ust-jul/org/lttng/ust/jul/LTTngAgent.java
 delete mode 100644 liblttng-ust-jul/org/lttng/ust/jul/LTTngLogHandler.java

diff --git a/liblttng-ust-jul/org/lttng/ust/jul/LTTngAgent.java b/liblttng-ust-jul/org/lttng/ust/jul/LTTngAgent.java
deleted file mode 100644
index 7c8e98e..0000000
--- a/liblttng-ust-jul/org/lttng/ust/jul/LTTngAgent.java
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Copyright (C) 2013 - David Goulet <dgoulet at efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-package org.lttng.ust.jul;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.BufferedReader;
-import java.io.FileReader;
-import java.util.concurrent.Semaphore;
-import java.util.concurrent.TimeUnit;
-import java.util.logging.FileHandler;
-import java.util.logging.Handler;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-import java.util.logging.LogManager;
-import java.util.Enumeration;
-
-public class LTTngAgent {
-
-	/* Possible that we have to threads handling two sessiond. */
-	private static LTTngLogHandler lttngHandlerRoot;
-	private static LTTngLogHandler lttngHandlerUser;
-	private static LTTngThread lttngThreadRoot;
-	private static LTTngThread lttngThreadUser;
-	private static Thread sessiondThRoot;
-	private static Thread sessiondThUser;
-
-	/* Singleton agent object. */
-	private static LTTngAgent curAgent = null;
-
-	/* Indicate if this object has been initialized. */
-	private static boolean initialized = false;
-
-	private static Semaphore registerSem;
-	private final static int semTimeout = 3; /* Seconds */
-
-	/*
-	 * Default value to connect to session daemon. Port number is dynamically
-	 * fetched from the port file that is created by a running session daemon.
-	 */
-	private static final String sessiondAddr = "127.0.0.1";
-
-	/*
-	 * Constructor is private. This is a singleton and a reference should be
-	 * acquired using getLTTngAgent().
-	 */
-	private LTTngAgent() throws IOException {
-		this.logManager = LogManager.getLogManager();
-		this.lttngHandlerUser = new LTTngLogHandler();
-		this.lttngHandlerRoot = new LTTngLogHandler();
-		this.lttngHandlerRoot.is_root = 1;
-		this.registerSem = new Semaphore(0, true);
-	}
-
-	/*
-	 * Public getter to acquire a reference to this singleton object.
-	 */
-	public static synchronized LTTngAgent getLTTngAgent() throws IOException {
-		if (curAgent == null) {
-			curAgent = new LTTngAgent();
-			curAgent.init();
-		}
-
-		return curAgent;
-	}
-
-	/*
-	 * Initialize LTTngAgent. This will attach the log handler to all Logger
-	 * returned by the logManager.
-	 */
-	private synchronized void init() throws SecurityException, IOException {
-		int nr_acquires = 0;
-
-		if (this.initialized) {
-			return;
-		}
-
-		/* Handle user session daemon if any. */
-		this.lttngThreadUser = new LTTngThread(this.sessiondAddr,
-				this.lttngHandlerUser, this.registerSem);
-		this.sessiondThUser = new Thread(lttngThreadUser);
-		this.sessiondThUser.setDaemon(true);
-		this.sessiondThUser.start();
-		/* Wait for registration done of per-user sessiond */
-		nr_acquires++;
-
-		/* Handle root session daemon. */
-		this.lttngThreadRoot = new LTTngThread(this.sessiondAddr,
-				this.lttngHandlerRoot, this.registerSem);
-		this.sessiondThRoot = new Thread(lttngThreadRoot);
-		this.sessiondThRoot.setDaemon(true);
-		this.sessiondThRoot.start();
-		/* Wait for registration done of system-wide sessiond */
-		nr_acquires++;
-
-		/* Wait for each registration to end. */
-		try {
-			this.registerSem.tryAcquire(nr_acquires, semTimeout,
-					TimeUnit.SECONDS);
-		} catch (InterruptedException e) {
-			e.printStackTrace();
-		}
-
-		this.initialized = true;
-	}
-
-	public void dispose() throws IOException {
-		this.lttngJULThreadUser.dispose();
-		this.lttngJULThreadRoot.dispose();
-
-		/* Remove handlers from the root logger */
-		Logger rootLogger = LogManager.getLogManager().getLogger("");
-		rootLogger.removeHandler(this.lttngHandlerUser);
-		rootLogger.removeHandler(this.lttngHandlerRoot);
-
-		try {
-			this.sessiondThUser.join();
-			this.sessiondThRoot.join();
-		} catch (InterruptedException e) {
-			e.printStackTrace();
-		}
-	}
-}
diff --git a/liblttng-ust-jul/org/lttng/ust/jul/LTTngLogHandler.java b/liblttng-ust-jul/org/lttng/ust/jul/LTTngLogHandler.java
deleted file mode 100644
index 008b105..0000000
--- a/liblttng-ust-jul/org/lttng/ust/jul/LTTngLogHandler.java
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Copyright (C) 2013 - David Goulet <dgoulet at efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-package org.lttng.ust.jul;
-
-import java.lang.String;
-import java.util.logging.Handler;
-import java.util.logging.LogRecord;
-import java.util.logging.LogManager;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
-
-import org.lttng.ust.jul.LTTngUst;
-
-public class LTTngLogHandler extends Handler {
-	/* Am I a root Log Handler. */
-	public int is_root = 0;
-	public int refcount = 0;
-
-	/* Logger object attached to this handler that can trigger a tracepoint. */
-	public Map<String, LTTngEvent> enabledEvents =
-		Collections.synchronizedMap(new HashMap<String, LTTngEvent>());
-
-	/* Constructor */
-	public LTTngLogHandler() {
-		super();
-		/* Initialize LTTng UST tracer. */
-		LTTngUst.init();
-	}
-
-	/*
-	 * Cleanup this handler state meaning put it back to a vanilla state.
-	 */
-	public void clear() {
-		this.enabledEvents.clear();
-	}
-
-	@Override
-	public void close() throws SecurityException {}
-
-	@Override
-	public void flush() {}
-
-	@Override
-	public void publish(LogRecord record) {
-		/*
-		 * Specific tracepoing designed for JUL events. The source class of the
-		 * caller is used for the event name, the raw message is taken, the
-		 * loglevel of the record and the thread ID.
-		 */
-		if (this.is_root == 1) {
-			LTTngUst.tracepointS(record.getMessage(),
-					record.getLoggerName(), record.getSourceClassName(),
-					record.getSourceMethodName(), record.getMillis(),
-					record.getLevel().intValue(), record.getThreadID());
-		} else {
-			LTTngUst.tracepointU(record.getMessage(),
-					record.getLoggerName(), record.getSourceClassName(),
-					record.getSourceMethodName(), record.getMillis(),
-					record.getLevel().intValue(), record.getThreadID());
-		}
-	}
-}
-- 
2.1.0




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