Relocated SingletonInstance to GlueGen (where a ServerSocket impl. is added). Using ServerSocket in UITestCase for SingletonInstance impl.

2 files changed, 11 insertions, 166 deletions

diff --git a/src/test/com/jogamp/opengl/test/junit/util/SingletonInstance.java b/src/test/com/jogamp/opengl/test/junit/util/SingletonInstance.java
deleted file mode 100644
index f72a41e15..000000000
--- a/src/test/com/jogamp/opengl/test/junit/util/SingletonInstance.java
+++ /dev/null
@@ -1,164 +0,0 @@
-/**
- * Copyright 2010 JogAmp Community. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are
- * permitted provided that the following conditions are met:
- * 
- *    1. Redistributions of source code must retain the above copyright notice, this list of
- *       conditions and the following disclaimer.
- * 
- *    2. Redistributions in binary form must reproduce the above copyright notice, this list
- *       of conditions and the following disclaimer in the documentation and/or other materials
- *       provided with the distribution.
- * 
- * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
- * The views and conclusions contained in the software and documentation are those of the
- * authors and should not be interpreted as representing official policies, either expressed
- * or implied, of JogAmp Community.
- */
- 
-package com.jogamp.opengl.test.junit.util;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.RandomAccessFile;
-import java.nio.channels.FileLock;
-import java.util.Date;
-
-public class SingletonInstance {
-
-    static final boolean DEBUG = true;
-    static final String temp_file_path;
-
-    static {
-        String s = null;
-        try {
-            File tmpFile = File.createTempFile("TEST", "tst");
-            String absTmpFile = tmpFile.getCanonicalPath();
-            tmpFile.delete();
-            s = absTmpFile.substring(0, absTmpFile.lastIndexOf(File.separator));
-        } catch (IOException ex) {
-            ex.printStackTrace();
-        }
-        temp_file_path = s;
-    }
-
-    public static String getCanonicalTempPath() {
-        return temp_file_path;
-    }
-
-    public static String getCanonicalTempLockFilePath(String basename) {
-        return getCanonicalTempPath() + File.separator + basename;
-    }
-
-    public SingletonInstance(String name, String lockFileBasename) {
-        this.name = name;
-        this.file = new File ( getCanonicalTempLockFilePath ( lockFileBasename ) );
-        setupFileCleanup();
-    }
-
-    public SingletonInstance(String name, File lockFile) {
-        this.name = name;
-        this.file = lockFile ;
-        setupFileCleanup();
-    }
-
-    public String getName() { return name; }
-    
-    void setupFileCleanup() {
-        file.deleteOnExit();
-        Runtime.getRuntime().addShutdownHook(new Thread() {
-            public void run() {
-                unlock();
-            }
-        });        
-    }
-
-    public synchronized void lock(long timeout_ms, long poll_ms) {
-        long i=0;
-        try {
-            do {
-                if(tryLock()) {
-                    return;
-                }
-                if(DEBUG && 0==i) {
-                    System.err.println("SLOCK "+System.currentTimeMillis()+" ??? "+name+" - Wait for lock " + file);
-                }
-                i++;
-                Thread.sleep(poll_ms);
-            } while ( i < timeout_ms / poll_ms ) ;
-        } catch ( InterruptedException ie ) {
-            throw new  RuntimeException(ie);
-        }
-        throw new RuntimeException("SLOCK "+System.currentTimeMillis()+" EEE "+name+" - couldn't get lock within "+timeout_ms+"ms");
-    }
-
-    public synchronized boolean tryLock() {
-        try {
-            randomAccessFile = new RandomAccessFile(file, "rw");
-            fileLock = randomAccessFile.getChannel().tryLock();
-
-            if (fileLock != null) {
-                locked = true;
-                if(DEBUG) {
-                    System.err.println("SLOCK "+System.currentTimeMillis()+" +++ "+name+" - Locked " + file);
-                }
-                return true;
-            }
-        } catch (Exception e) {
-            System.err.println("SLOCK "+System.currentTimeMillis()+" EEE "+name+" - Unable to create and/or lock file: " + file);
-            e.printStackTrace();
-        }
-        return false;
-    }
-
-    public synchronized boolean unlock() {
-        try {
-            if(null != fileLock) {
-                if(locked) {
-                    fileLock.release();
-                    if(DEBUG) {
-                        System.err.println("SLOCK "+System.currentTimeMillis()+" --- "+name+" - Unlocked " + file);
-                    }        
-                }
-                fileLock = null;
-            }
-            if(null != randomAccessFile) {
-                randomAccessFile.close();
-                randomAccessFile = null;
-            }
-            if(null != file) {
-                file.delete();
-                file = null;
-            }
-            return true;
-        } catch (Exception e) {
-            System.err.println("SLOCK "+System.currentTimeMillis()+" EEE "+name+" - Unable to remove lock file: " + file);
-            e.printStackTrace();
-        } finally {
-            fileLock = null;
-            randomAccessFile = null;
-            locked = false;
-        }
-        return false;
-    }
-
-    public synchronized boolean isLocked() {
-        return locked;
-    }
-
-    String name;
-    File file = null;
-    RandomAccessFile randomAccessFile = null;
-    FileLock fileLock = null;
-    boolean locked = false;
-}
diff --git a/src/test/com/jogamp/opengl/test/junit/util/UITestCase.java b/src/test/com/jogamp/opengl/test/junit/util/UITestCase.java
index ff2e838f6..a25835596 100644
--- a/src/test/com/jogamp/opengl/test/junit/util/UITestCase.java
+++ b/src/test/com/jogamp/opengl/test/junit/util/UITestCase.java
@@ -28,6 +28,8 @@
  
 package com.jogamp.opengl.test.junit.util;
 
+import com.jogamp.common.util.locks.SingletonInstance;
+
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.After;
@@ -40,13 +42,20 @@ public abstract class UITestCase {
     @Rule public TestName _unitTestName = new TestName();
 
     public static final String SINGLE_INSTANCE_LOCK_FILE = "UITestCase.lock";
+    public static final int SINGLE_INSTANCE_LOCK_PORT = 59999;
+    
+    public static final long SINGLE_INSTANCE_LOCK_TO   = 3*60*1000; // wait up to 3 min
+    public static final long SINGLE_INSTANCE_LOCK_POLL =      1000; // poll every 1s
 
     static volatile SingletonInstance singletonInstance;
 
     private final synchronized void initSingletonInstance() {
         if( null == singletonInstance )  {
-            singletonInstance = new SingletonInstance(getClass().getName(), SINGLE_INSTANCE_LOCK_FILE);
-            singletonInstance.lock(3*60*1000, 1000); // wait up to 3 min, poll every 1s            
+            // singletonInstance = SingletonInstance.createFileLock(SINGLE_INSTANCE_LOCK_POLL, SINGLE_INSTANCE_LOCK_FILE);
+            singletonInstance = SingletonInstance.createServerSocket(SINGLE_INSTANCE_LOCK_POLL, SINGLE_INSTANCE_LOCK_PORT);
+            if(!singletonInstance.tryLock(SINGLE_INSTANCE_LOCK_TO)) {
+                throw new RuntimeException("Fatal: Could lock single instance: "+singletonInstance.getName());
+            }
         }
     }