// To be called exactly twice by the parent process
static <T> T rendezvousParent(Process p, Callable<T> callable) throws Throwable {
p.getInputStream().read();
T result = callable.call();
OutputStream os = p.getOutputStream();
os.write((byte) '\n');
os.flush();
return result;
}
public static void main(String[] args) throws Exception {
int counter = 0;
while (true) {
Thread outThread = null;
Thread errThread = null;
try {
// org.pitest.mutationtest.instrument.MutationTestUnit#runTestInSeperateProcessForMutationRange
// *** start slave
ServerSocket commSocket = new ServerSocket(0);
int commPort = commSocket.getLocalPort();
System.out.println("commPort = " + commPort);
// org.pitest.mutationtest.execute.MutationTestProcess#start
// - org.pitest.util.CommunicationThread#start
FutureTask<Integer> commFuture = createFuture(commSocket);
// - org.pitest.util.WrappingProcess#start
// - org.pitest.util.JavaProcess#launch
Process slaveProcess = startSlaveProcess(commPort);
outThread = new Thread(new ReadFromInputStream(slaveProcess.getInputStream()), "stdout");
errThread = new Thread(new ReadFromInputStream(slaveProcess.getErrorStream()), "stderr");
outThread.start();
errThread.start();
// *** wait for slave to die
// org.pitest.mutationtest.execute.MutationTestProcess#waitToDie
// - org.pitest.util.CommunicationThread#waitToFinish
System.out.println("waitToFinish");
Integer controlReturned = commFuture.get();
System.out.println("controlReturned = " + controlReturned);
// NOTE: the following won't get called if commFuture.get() fails!
// - org.pitest.util.JavaProcess#destroy
outThread.interrupt(); // org.pitest.util.AbstractMonitor#requestStop
errThread.interrupt(); // org.pitest.util.AbstractMonitor#requestStop
slaveProcess.destroy();
} catch (Exception e) {
e.printStackTrace(System.out);
}
// test: the threads should exit eventually
outThread.join();
errThread.join();
counter++;
System.out.println("try " + counter + ": stdout and stderr threads exited normally");
}
}
static String outputOf(final Process p) {
try {
Future<String> outputFuture = futureOutputOf(p.getInputStream());
Future<String> errorFuture = futureOutputOf(p.getErrorStream());
final String output = outputFuture.get();
final String error = errorFuture.get();
// Check for successful process completion
equal(error, "");
equal(p.waitFor(), 0);
equal(p.exitValue(), 0);
return output;
} catch (Throwable t) {
unexpected(t);
throw new Error(t);
}
}
private void execute(String[] process_command) {
this.running = true;
// ProcessBuilder pb = new ProcessBuilder("C:\\Archivos de programa\\python2.5\\python",
// "C:\\Archivos de programa\\python2.5\\test.py");
// ProcessBuilder pb = new ProcessBuilder(Executables.PYTHON_EXEC, "C:\\Archivos de
// programa\\python2.5\\test.py", "--parameter2", "--parameter3", "--parameter4=\\\"C:\\Archivos
// de programa\\python2.5\\test.py\\\"");
// System.err.println("Executing "+process_command);
StringBuffer str = new StringBuffer();
for (int i = 0; i < process_command.length; i++) {
str.append(process_command[i]);
// str.append("\n");
}
System.err.println("Executing " + str.toString());
ProcessBuilder pb = new ProcessBuilder(process_command);
pb.redirectErrorStream(true);
Process p = null;
boolean started = false;
try {
p = pb.start();
BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
started = true;
this.current_process++;
FileOutputStream fout = null;
try {
File temp = File.createTempFile("bianaParser", ".txt");
temp.deleteOnExit();
fout = new FileOutputStream(temp.getAbsoluteFile());
this.window.setCurrentOutput(this.current_process, temp.getAbsolutePath());
} catch (IOException err) {
System.err.println("Error in creating parser out temp file");
}
// this.window.setCurrentOutput(this.current_process,"process_"+this.current_process);
this.window.change_process_status(current_process, "Running");
int c;
while (true) {
c = in.read();
if (c == -1) {
break;
}
fout.write(c);
}
fout.close();
} catch (IOException exc) {
exc.printStackTrace();
if (started) p.destroy();
return;
}
try {
// System.err.println("Going to wait to finish process...");
System.err.println(p.waitFor());
// System.err.println("Process "+this.current_process+" really finished...");
System.err.println("Status: " + p.exitValue());
if (p.exitValue() == 0) {
this.window.change_process_status(current_process, "Finished");
} else {
this.window.change_process_status(current_process, "Error in parsing");
}
} catch (InterruptedException e) {
p.destroy();
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
// System.err.println("Going to destroy...");
// p.destroy();
this.running = false;
}