Refactor liblttng-ust-jul in liblttng-ust-agent

[lttng-ust.git] / liblttng-ust-java-agent / java / org / lttng / ust / agent / jul / LTTngLogHandler.java

diff --git a/liblttng-ust-java-agent/java/org/lttng/ust/agent/jul/LTTngLogHandler.java b/liblttng-ust-java-agent/java/org/lttng/ust/agent/jul/LTTngLogHandler.java
new file mode 100644 (file)
index 0000000..a20aed2
--- /dev/null
+++ b/liblttng-ust-java-agent/java/org/lttng/ust/agent/jul/LTTngLogHandler.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2013 - David Goulet <dgoulet@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.agent.jul;
+
+import java.lang.String;
+
+import java.util.logging.Handler;
+import java.util.logging.LogRecord;
+
+class LTTngLogHandler extends Handler {
+       private Boolean is_root;
+
+       public LTTngLogHandler(Boolean isRoot) {
+               super();
+               this.is_root = isRoot;
+               /* Initialize LTTng UST tracer. */
+               try {
+                       System.loadLibrary("lttng-ust-jul-jni"); //$NON-NLS-1$
+               } catch (SecurityException e) {
+                       e.printStackTrace();
+               } catch (UnsatisfiedLinkError e) {
+                       e.printStackTrace();
+               } catch (NullPointerException e) {
+                       /* Should never happen */
+                       e.printStackTrace();
+               }
+       }
+
+       public Boolean isRoot() {
+               return this.is_root;
+       }
+
+       @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) {
+                       tracepointS(record.getMessage(),
+                                   record.getLoggerName(), record.getSourceClassName(),
+                                   record.getSourceMethodName(), record.getMillis(),
+                                   record.getLevel().intValue(), record.getThreadID());
+               } else {
+                       tracepointU(record.getMessage(),
+                                   record.getLoggerName(), record.getSourceClassName(),
+                                   record.getSourceMethodName(), record.getMillis(),
+                                   record.getLevel().intValue(), record.getThreadID());
+               }
+       }
+
+       /* Use for a user session daemon. */
+       private native void tracepointU(String msg, String logger_name, String class_name,
+                       String method_name, long millis, int log_level, int thread_id);
+
+       /* Use for a root session daemon. */
+       private native void tracepointS(String msg, String logger_name, String class_name,
+                       String method_name, long millis, int log_level, int thread_id);
+}