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DroidFish: Display an error message if an external engine fails to start.

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This commit is contained in:
Peter Osterlund 2012-01-04 19:07:26 +00:00
parent 869f45334e
commit 915b0d6897
1 changed files with 20 additions and 0 deletions
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20
DroidFish/src/org/petero/droidfish/engine/ExternalEngine.java
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@ -16,17 +16,21 @@ public class ExternalEngine extends UCIEngineBase {
private static final String exePath = "/data/data/org.petero.droidfish/engine.exe";
private final Report report;
private Process engineProc;
private Thread exitThread;
private Thread stdInThread;
private Thread stdErrThread;
private List<String> inLines;
private boolean startedOk;
public ExternalEngine(String engine, Report report) {
this.report = report;
engineFileName = new File(engine);
engineProc = null;
exitThread = null;
stdInThread = null;
stdErrThread = null;
inLines = new LinkedList<String>();
startedOk = false;
}
/** @inheritDoc */
@ -38,6 +42,19 @@ public class ExternalEngine extends UCIEngineBase {
ProcessBuilder pb = new ProcessBuilder(exePath);
engineProc = pb.start();
exitThread = new Thread(new Runnable() {
@Override
public void run() {
try {
engineProc.waitFor();
if (!startedOk)
report.reportError("Failed to start engine");
} catch (InterruptedException e) {
}
}
});
exitThread.start();
// Start a thread to read stdin
stdInThread = new Thread(new Runnable() {
@Override
@ -56,6 +73,7 @@ public class ExternalEngine extends UCIEngineBase {
synchronized (inLines) {
inLines.add(line);
inLines.notify();
startedOk = true;
}
}
} catch (IOException e) {
@ -144,6 +162,8 @@ public class ExternalEngine extends UCIEngineBase {
if (engineProc != null)
engineProc.destroy();
engineProc = null;
if (exitThread != null)
exitThread.interrupt();
if (stdInThread != null)
stdInThread.interrupt();
if (stdErrThread != null)