private int waitForData(final Session session, final long pollInterval) throws IOException {
int condition;
do {
ThreadU.sleepMillis(pollInterval);
condition = session.waitForCondition(Const.DATA, pollInterval);
} while ((condition & Const.DATA) != 0);
return condition;
}
@SuppressWarnings({"PMD.GuardLogStatementJavaUtil", "PMD.GuardLogStatement"})
private Integer monitorCommand(final CommandWork commandWork, final Session session)
throws IOException {
final ExecutorService executorStream = context.getExecutorStream();
final long pollInterval = context.getPollInterval();
final ByteBuffer bufferStdin = commandWork.getByteBufferStdin();
final ByteBuffer bufferStdout = commandWork.getByteBufferStdout();
final ByteBuffer bufferStderr = commandWork.getByteBufferStderr();
final OutputStream stdin = session.getStdin();
final InputStream stdout = session.getStdout();
final InputStream stderr = session.getStderr();
// allow for supplemental process input
final OutputStreamRunnable runnableStdin =
new OutputStreamRunnable(stdin, bufferStdin, pollInterval);
executorStream.execute(runnableStdin);
// monitor process
final InputStreamRunnable runnableStdout =
new InputStreamRunnable(stdout, bufferStdout, pollInterval);
final InputStreamRunnable runnableStderr =
new InputStreamRunnable(stderr, bufferStderr, pollInterval);
final InputStreamRunnable[] streams = {runnableStdout, runnableStderr};
for (final InputStreamRunnable stream : streams) {
executorStream.execute(stream);
}
// monitor process
final int conditionExit = session.waitForCondition(ChannelCondition.EXIT_STATUS, 0L);
logger.finest("conditionExitStatus/" + conditionExit); // i18n log
final int conditionData = waitForData(session, runnableStdout.getPollInterval());
logger.finest("conditionData/" + conditionData); // i18n log
final Integer exitValue = session.getExitStatus();
// allow process complete
runnableStdin.stop();
for (final InputStreamRunnable stream : streams) {
stream.waitForComplete();
}
// notify caller thread
MutexU.notifyAll(this);
return exitValue;
}