Author: markt
Date: Mon Jan 14 11:01:53 2019
New Revision: 1851239
URL: http://svn.apache.org/viewvc?rev=1851239&view=rev
Log:
Add helper class I used to track down NIO[2]+OpenSSL memory leak in Tomcat
Native.
Added:
tomcat/trunk/test/org/apache/tomcat/jni/TesterSSL.java (with props)
Added: tomcat/trunk/test/org/apache/tomcat/jni/TesterSSL.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/tomcat/jni/TesterSSL.java?rev=1851239&view=auto
==============================================================================
--- tomcat/trunk/test/org/apache/tomcat/jni/TesterSSL.java (added)
+++ tomcat/trunk/test/org/apache/tomcat/jni/TesterSSL.java Mon Jan 14 11:01:53
2019
@@ -0,0 +1,58 @@
+/*
+ * 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.tomcat.jni;
+
+import org.junit.Test;
+
+/*
+ * Helper class to investigate native memory leaks. Needs to be used with tools
+ * to monitor native memory usage.
+ *
+ * Note: Moving the Pool, SSLContext, SSL and BIO creation in/out of the loop
+ * can help identify where the memory is leaking.
+ */
+public class TesterSSL {
+
+ @Test
+ public void testCreateDestroy() throws Exception {
+ Library.initialize(null);
+ SSL.initialize(null);
+
+ long memoryPool = Pool.create(0);
+ long sslCtx = SSLContext.make(memoryPool, SSL.SSL_PROTOCOL_ALL,
SSL.SSL_MODE_SERVER);
+
+ for (int i = 0; i < 10000000; i++) {
+ doNative(sslCtx);
+ if (i % 1000 == 0) {
+ System.gc();
+ }
+ }
+
+ SSLContext.free(sslCtx);
+ Pool.destroy(memoryPool);
+
+ System.gc();
+ }
+
+
+ private void doNative(long sslCtx) throws Exception {
+ long ssl = SSL.newSSL(sslCtx, true);
+ long bio = SSL.makeNetworkBIO(ssl);
+ SSL.freeBIO(bio);
+ SSL.freeSSL(ssl);
+ }
+}
Propchange: tomcat/trunk/test/org/apache/tomcat/jni/TesterSSL.java
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