TestRT.java

/*
  TestRT.java

  (c) 2010-2012 Edward Swartz

  All rights reserved. This program and the accompanying materials
  are made available under the terms of the Eclipse Public License v1.0
  which accompanies this distribution, and is available at
  http://www.eclipse.org/legal/epl-v10.html
 */
package ejs.base.internal.test;


import com.sun.jna.Native;

import ejs.base.timer.PthreadLibrary;
import ejs.base.timer.RTLibrary;
import ejs.base.timer.RTLibrary.RT;

/**
 * @author ejs
 *
 */
public class TestRT {
	static long thread() { return  (((long)PthreadLibrary.INSTANCE.pthread_self()) & 0xffffffff); };
	
	static int hit;
	static void foo(RT rt, long current_time) {
		hit++;
		System.out.printf("* called at %d from %d\n", current_time,  thread());
		if (hit >= 10) {
			RTLibrary.INSTANCE.rt_periodic(rt, 0, 0, null);
		}
		
	}
	
	public static void main(String[] args) {
		Native.setProtected(true);
		System.out.println(System.getenv("LD_PRELOAD"));	// ${system_property:java.home}/lib/${system_property:os.arch}/libjsig.so or /usr/lib/jvm/java-6-sun-1.6.0.20/jre/lib/i386/libjsig.so
		RTLibrary.INSTANCE.rt_init();
		
		Thread main = new Thread("main") {
			/* (non-Javadoc)
			 * @see java.lang.Thread#run()
			 */
			@Override
			public void run() {
				System.out.printf("Thread is %d\n", thread());

				System.out.printf("Current time: %d\n", RTLibrary.INSTANCE.rt_get_time());
				System.out.printf("Current time: %d\n", RTLibrary.INSTANCE.rt_get_time());
				System.out.printf("Current time: %d\n", RTLibrary.INSTANCE.rt_get_time());
				System.out.printf("Current time: %d\n", RTLibrary.INSTANCE.rt_get_time());
				
				RT rt = RTLibrary.INSTANCE.rt_new();

				RTLibrary.TimerCallFunc fooCb = new RTLibrary.TimerCallFunc() {
					
					public void invoke(RT rt, long currentTime) {
						foo(rt, currentTime);
					}
				};
				RTLibrary.INSTANCE.rt_oneshot(rt, RTLibrary.INSTANCE.rt_get_time() + 1000000000L, 
						fooCb);

				try {
					sleep(2000);
				} catch (InterruptedException e) {
					return;
				}

				assert(hit > 0);

				hit = 0;
				RTLibrary.INSTANCE.rt_periodic(rt, RTLibrary.INSTANCE.rt_get_time(), 1000000000L / 100000, 
						fooCb);

				try {
					sleep(5000);
				} catch (InterruptedException e) {
					return;
				}

				assert(hit == 10);

				RTLibrary.INSTANCE.rt_free(rt);
			}
		};
		
		main.start();
		
		try {
			main.join();
		} catch (InterruptedException e) {
		}
	}
}