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added warning when reloading a simulation with less then 20% memory left

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fros4943 2010-02-23 22:53:34 +00:00
parent b50d47fb80
commit be76ae53f9
1 changed files with 39 additions and 1 deletions
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40
tools/cooja/java/se/sics/cooja/GUI.java
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@ -24,7 +24,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: GUI.java,v 1.160 2010/02/21 21:51:24 fros4943 Exp $
* $Id: GUI.java,v 1.161 2010/02/23 22:53:34 fros4943 Exp $
*/
package se.sics.cooja;
@ -63,6 +63,7 @@ import java.lang.reflect.InvocationTargetException;
import java.net.URL;
import java.net.URLClassLoader;
import java.security.AccessControlException;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;
@ -2178,6 +2179,11 @@ public class GUI extends Observable {
return;
}
/* Warn about memory usage */
if (warnMemory()) {
return;
}
/* Remove current simulation */
if (!doRemoveSimulation(true)) {
return;
@ -2342,6 +2348,11 @@ public class GUI extends Observable {
return;
}
/* Warn about memory usage */
if (warnMemory()) {
return;
}
final JDialog progressDialog = new JDialog(frame, "Reloading", true);
final Thread loadThread = new Thread(new Runnable() {
public void run() {
@ -2432,6 +2443,33 @@ public class GUI extends Observable {
progressDialog.setVisible(true);
}
private boolean warnMemory() {
long max = Runtime.getRuntime().maxMemory();
long used = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
double memRatio = (double) used / (double) max;
if (memRatio < 0.8) {
return false;
}
DecimalFormat format = new DecimalFormat("0.000");
logger.warn("Reboot COOJA to avoid out of memory error! (memory usage: " + format.format(100*memRatio) + "%)");
if (isVisualized()) {
int n = JOptionPane.showOptionDialog(
GUI.getTopParentContainer(),
"Reboot COOJA to avoid out of memory error!\n" +
"Current memory usage: " + format.format(100*memRatio) + "%.",
"Out of memory warning",
JOptionPane.YES_NO_OPTION,
JOptionPane.WARNING_MESSAGE, null,
new String[] { "Continue", "Abort"}, "Abort");
if (n != JOptionPane.YES_OPTION) {
return true;
}
}
return false;
}
/**
* Reload currently configured simulation.
* Reloading a simulation may include recompiling Contiki.