doc_examples_demodir = ${docdir}/examples/demo
doc_examples_hello_static_libdir = ${docdir}/examples/hello-static-lib
+if BUILD_JNI_INTERFACE
+doc_examples_java_juldir = ${docdir}/examples/java-jul
+dist_doc_examples_java_jul_DATA = java-jul/Makefile \
+ java-jul/Hello.java \
+ java-jul/run
+SUBDIRS_JUL = java-jul
+bin_SCRIPTS = java-jul/Makefile
+endif
+
dist_doc_examples_DATA = README
dist_doc_examples_easy_ust_DATA = easy-ust/Makefile \
all-local:
@if [ x"$(srcdir)" != x"$(builddir)" ]; then \
cp -f $(srcdir)/Makefile.examples.template $(builddir); \
- for subdir in $(SUBDIRS_PROXY); do \
+ for subdir in $(SUBDIRS_PROXY) $(SUBDIRS_JUL); do \
cp -fR $(srcdir)/$$subdir $(builddir); \
done; \
fi
for subdir in $(SUBDIRS_PROXY); do \
(cd $$subdir && $(MAKE) AM_CPPFLAGS="$(CPPFLAGS) -I../../../include/" AM_CFLAGS='$(CFLAGS)' AM_LDFLAGS='$(LDFLAGS) -L../../../liblttng-ust/.libs/ -Wl,-rpath="$(PWD)/../../liblttng-ust/.libs/"' LTTNG_GEN_TP_PATH="../../../tools/" $(AM_MAKEFLAGS) all && cd ..) || exit 1; \
done
+ @if [ x"$(SUBDIRS_JUL)" != x"" ]; then \
+ for subdir in $(SUBDIRS_JUL); do \
+ (cd $(SUBDIRS_JUL) && $(MAKE) JAVA_CLASSPATH_OVERRIDE="../../../liblttng-ust-jul" JAVA_JARFILE_OVERRIDE="liblttng-ust-jul.jar" $(AM_MAKEFLAGS) all && cd ..) || exit 1; \
+ done; \
+ fi
clean-local:
for subdir in $(SUBDIRS_PROXY); do \
(cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) clean && cd ..) || exit 1; \
done
+ @if [ x"$(SUBDIRS_JUL)" != x"" ]; then \
+ for subdir in $(SUBDIRS_JUL); do \
+ (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) clean && cd ..) || exit 1; \
+ done; \
+ fi
@if [ x"$(srcdir)" != x"$(builddir)" ]; then \
- for subdir in $(SUBDIRS_PROXY); do \
+ for subdir in $(SUBDIRS_PROXY) $(SUBDIRS_JUL); do \
rm -rf $(builddir)/$$subdir; \
done; \
rm -f $(builddir)/Makefile.examples.template; \
--- /dev/null
+/*
+ * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+import java.io.IOException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/*
+ * That's the import you need being the path in the liblttng-ust-jul Jar file.
+ */
+import org.lttng.ust.jul.LTTngAgent;
+
+public class Hello
+{
+ /* Of course :) */
+ private static final int answer = 42;
+
+ /*
+ * Static reference to the LTTngAgent. Used to dispose of it at the end
+ * which is recommended but not mandatory to do.
+ */
+ private static LTTngAgent lttngAgent;
+
+ public static void main(String args[]) throws Exception
+ {
+ /*
+ * For this example, a custom "hello" logger is created. Note that JUL
+ * has a default "global" that can also be used.
+ */
+ Logger helloLog = Logger.getLogger("hello");
+
+ /*
+ * Get the LTTngAgent singelton reference. This will also initialize
+ * the Agent and make it register to the session daemon if available.
+ * When this returns, the Agent is registered and fully ready. If no
+ * session daemon is found, it will return and retry every 3 seconds in
+ * the background. TCP is used for communication.
+ *
+ * Note that the LTTngAgent once registered is a seperate thread in
+ * your Java application.
+ */
+ lttngAgent = LTTngAgent.getLTTngAgent();
+
+ /*
+ * Gives you time to do some lttng commands before any event is hit.
+ */
+ Thread.sleep(5000);
+
+ /* Trigger a tracing event using the JUL Logger created before. */
+ helloLog.info("Hello World, the answer is " + answer);
+
+ /*
+ * From this point on, the above message will be collected in the trace
+ * if the event "hello" is enabled for the JUL domain using the lttng
+ * command line or the lttng-ctl API. For instance:
+ *
+ * $ lttng enable-event -j hello
+ *
+ * A new logger is created here and fired after. The Agent has an
+ * internal timer that is fired every 5 seconds in order to enable
+ * events that were not found at first but might need to be enabled
+ * when new Logger appears. Unfortunately, there is no way right now to
+ * get notify of that so we have to actively poll.
+ *
+ * Using the --all command for instance, it will make this Logger
+ * available in a LTTng trace after the internal Agent's timer is
+ * fired. (lttng enable-event -a -j).
+ */
+ Logger helloLogDelayed = Logger.getLogger("hello_delay");
+
+ System.out.println("Firing hello delay in 10 seconds...");
+ Thread.sleep(10000);
+ helloLogDelayed.info("Hello World delayed...");
+
+ System.out.println("Cleaning Hello");
+
+ /*
+ * Again, this is highly recommended so the session daemon socket gets
+ * cleaned up explicitely but it is not mandatory to do this step.
+ */
+ lttngAgent.dispose();
+ }
+}
--- /dev/null
+#
+# Copyright (C) 2013 - David Goulet <dgoulet@efficios.com>
+#
+# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED OR
+# IMPLIED. ANY USE IS AT YOUR OWN RISK.
+#
+# Permission is hereby granted to use or copy this program for any purpose,
+# provided the above notices are retained on all copies. Permission to modify
+# the code and to distribute modified code is granted, provided the above
+# notices are retained, and a notice that the code was modified is included
+# with the above copyright notice.
+#
+# This Makefile is not using automake so that users may see how to build a
+# program with tracepoint provider probes as stand-alone shared objects.
+#
+# This makefile is purposefully kept simple to support GNU and BSD make.
+#
+
+# Default JUL jar name.
+JARFILE=liblttng-ust-jul.jar
+
+# Check if the top level makefile overrides the JUL Jar file name.
+ifneq "$(JAVA_JARFILE_OVERRIDE)" ""
+ JARFILE=$(JAVA_JARFILE_OVERRIDE)
+endif
+
+# Check if the top level makefile overrides the JUL classpath.
+ifeq "$(JAVA_CLASSPATH_OVERRIDE)" ""
+ CLASSPATH=/usr/local/lib/lttng/java/$(JARFILE):/usr/lib/lttng/java/$(JARFILE)
+else
+ CLASSPATH=$(JAVA_CLASSPATH_OVERRIDE)/$(JARFILE)
+endif
+
+JFLAGS = -g
+JC = javac -cp "$(CLASSPATH):."
+.SUFFIXES: .java .class
+.java.class:
+ $(JC) $(JFLAGS) $*.java
+
+CLASSES = Hello.java
+
+all: classes
+
+classes: $(CLASSES:.java=.class)
+
+.PHONY: clean
+clean:
+ $(RM) *.class
projects / lttng-ust.git / commitdiff
